High-pressure blower for conveying corrosive gases

Abstract

The present invention discloses a high-pressure blower for conveying corrosive gas, which relates to the technical field of high-pressure blowers and includes a housing, an outer wall of which is connected to a mounting plate, and the housing collects the corrosive gas inside the housing through a ventilation mechanism; the housing installs the fan blades through a connecting mechanism. The present invention sets a ventilation mechanism and a connecting mechanism. When the mounting plate is opened, the circumferential displacement rotating rod drives the rotating ring to rotate, and the through hole is aligned with the first ventilation pipe and the second ventilation pipe. At this time, the gas in the gas storage box enters the housing through the first ventilation pipe, and then enters the collection box through the second ventilation pipe for collection. During this process, the fixing of the mounting plate is automatically canceled, which facilitates the collection of the corrosive gas in the housing during the disassembly of the mounting plate to prevent gas leakage; the fan blades are quickly installed, and after the mounting plate is disassembled, the fixing of the fan blades is automatically canceled.

Description

Technical Field

[0001] The invention relates to the technical field of high-pressure blowers, in particular to a high-pressure blower for conveying corrosive gases. Background Art

[0002] A high-pressure fan refers to a fan with a wind pressure of 30kPa-200KPa or a compression ratio of e=1.3-3 under design conditions. The current industry generally classifies gas ring vacuum pumps as high-pressure fans. High-pressure fans, also called high-pressure blowers, are different from general centrifugal blowers. When the impeller rotates, due to the action of centrifugal force, the wind vane causes the gas to move forward and outward.

[0003] When transporting corrosive gases, the recovery system operates in a positive pressure state when the waste gas is recovered and transported by the fan. The shaft seal on the rear side of the casing adopts a combined seal. Since the mechanical seal itself needs to be cooled during operation, and the corrosive gas is flammable and explosive when it comes into contact with air and water, in order to prevent the mechanical seal from failing during long-term use and causing gas leakage and contact with water, which may cause safety hazards, the mechanical seal coolant cannot be cooled with water, so trichloroethane is used for cooling circulation.

[0004] However, after the coolant leaks or when the high-pressure blower is to be maintained, the high-pressure blower needs to be disassembled. During the disassembly, the outer casing needs to be disassembled before the fan blades are disassembled, which is a relatively complicated operation. At the same time, when the blower is disassembled, some corrosive gases are likely to remain inside the blower. In the process of opening the blower outer casing, corrosive gases are likely to leak. In order to avoid the leakage of corrosive gases during the disassembly of the blower, a high-pressure blower for conveying corrosive gases is provided. Summary of the Invention

[0005] The purpose of the present invention is to provide a high-pressure blower for conveying corrosive gas in order to avoid leakage of corrosive gas during the disassembly process of the blower.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a high-pressure blower for conveying corrosive gas, comprising a shell, an outer wall of the shell being connected to a mounting plate, an inner cavity of the shell being installed with fan blades, the shell collecting the corrosive gas inside the shell through a ventilation mechanism; the shell installing the fan blades through a connecting mechanism.

[0007] As a further solution of the present invention: a motor is provided on one side of the shell, the output end of the motor is connected to a connecting shaft, a cooling chamber is installed at the position where the outer wall of the shell and the connecting shaft are connected, the outer wall of the cooling chamber is provided with a liquid inlet and a liquid outlet, the outer wall of the mounting plate is provided with an air inlet, the top end of the shell is provided with an air outlet, the bottom end of the shell is provided with a sewage outlet, and the outer wall of the sewage outlet is threadedly connected to a sealing cap.

[0008] As a further solution of the present invention: the ventilation mechanism includes a first ventilation pipe and a second ventilation pipe, the first ventilation pipe and the second ventilation pipe are symmetrically arranged on the outer wall of the mounting plate, the mounting plate is fixedly connected to a connecting block at one end away from the first ventilation pipe, the inner side of the connecting block is slidably connected to a slider extending to the outside of the connecting block, the outer wall of the slider is fixedly connected to the first elastic member, the mounting plate and the inner side of the connecting block are slidably connected to the movable rod, the bottom end of the second elastic member is provided with a groove, the second elastic member contacts the slider, the inner side of the mounting plate is rotatably connected to a rotating ring, the outer wall of the rotating ring is provided with a through hole, the outer wall of the rotating ring is fixedly connected to the rotating rod extending to the outside of the mounting plate, the outer wall of the shell is provided with a connecting groove at the junction of the outer wall of the shell and the mounting plate, and the inner wall of the connecting groove is provided with a fixing groove.

[0009] As a further solution of the present invention: the connecting mechanism includes a square block, which is fixedly connected to the connecting shaft at one end of the inner cavity of the outer shell, the fan blades are sleeved on the outer wall of the square block, the outer wall of the square block is fixedly connected to a positioning block, the interior of the square block is slidably connected to a displacement frame extending to the outside of the square block, the outer wall of the square block is slidably connected to a rotating disk between the positioning block and the displacement frame, the outer wall of the rotating disk is rotatably connected to a pushing frame, both ends of the pushing frame extend out of the outer wall of the outer shell, the interior of the square block is slidably connected to a clamping block at one end of the displacement frame, and the clamping block extends to the top of the square block.

[0010] As a further solution of the present invention: one end of the first ventilation pipe is connected to the gas storage box, and one end of the second ventilation pipe is connected to the collection box.

[0011] As a further solution of the present invention: a rotation groove for the rotation of the rotating ring is opened inside the mounting plate, one end of the movable rod extends into the rotation groove, and one end of the movable rod is provided with a first inclined surface.

[0012] As a further solution of the present invention: the outer wall of the connecting block fits with the inner wall of the connecting groove, the outer wall of the slider matches the inner wall of the fixing groove, and the end of the slider located outside the connecting block is a semicircular surface.

[0013] As a further solution of the present invention: the inner cavities of the fan blades and the rotating disk are matched with the outer walls of the square blocks.

[0014] As a further solution of the present invention: the shape of the clamping block is L-shaped, and the outer wall of the displacement frame is provided with a second inclined surface, and the second inclined surface is in contact with the clamping block.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] By setting up a ventilation mechanism and a connecting mechanism, when the mounting plate is opened, the circumferential displacement rotating rod drives the rotating ring to rotate, and the through hole is aligned with the first ventilation pipe and the second ventilation pipe. At this time, the gas in the gas storage box enters the outer shell through the first ventilation pipe, and then enters the collection box through the second ventilation pipe for collection. In this process, the fixation of the mounting plate is automatically canceled, which facilitates the collection of corrosive gases in the outer shell during the disassembly of the mounting plate to prevent gas leakage; the fan blades are quickly installed, and after the mounting plate is disassembled, the fixation of the fan blades is automatically canceled. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the installation of the mounting plate of the present invention;

[0019] Figure 3 is a cross-sectional view of the mounting plate of the present invention;

[0020] Figure 4 It is a structural schematic diagram of the movable rod of the present invention;

[0021] Figure 5 is a cross-sectional view of the housing of the present invention;

[0022] Figure 6 This is a schematic diagram of the installation of the fan blades of the present invention;

[0023] Figure 7 It is a cross-sectional view of a square block of the present invention.

[0024] In the figure: 1. Shell; 2. Mounting plate; 3. Ventilation mechanism; 301. First vent pipe; 302. Second vent pipe; 303. Connecting block; 304. Slider; 305. First elastic member; 306. Movable rod; 307. Second elastic member; 308. Groove; 309. Rotating ring; 310. Through hole; 311. Rotating rod; 312. Connecting groove; 313. Fixed groove; 4. Connecting mechanism; 401. Square block; 402. Positioning block; 403. Displacement frame; 404. Rotating disk; 405. Pushing frame; 406. Block; 5. Fan blade; 6. Motor; 7. Connecting shaft; 8. Cooling chamber; 9. Air inlet; 10. Air outlet; 11. Sewage outlet; 12. Sealing cap. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1 - Figure 7 In an embodiment of the present invention, a high-pressure blower for conveying corrosive gas includes a shell 1, an outer wall of the shell 1 is connected to a mounting plate 2, an inner cavity of the shell 1 is installed with fan blades 5, the shell 1 collects the corrosive gas inside the shell 1 through a ventilation mechanism 3; the shell 1 installs the fan blades 5 through a connecting mechanism 4, a motor 6 is provided on one side of the shell 1, an output end of the motor 6 is connected to a connecting shaft 7, a cooling chamber 8 is installed at a position where the outer wall of the shell 1 and the connecting shaft 7 meet, the outer wall of the cooling chamber 8 is provided with a liquid inlet and a liquid outlet, the outer wall of the mounting plate 2 is provided with an air inlet 9, the top of the shell 1 is provided with an air outlet 10, the bottom end of the shell 1 is provided with a drain outlet 11, and the outer wall of the drain outlet 11 is threadedly connected to a sealing cap 12.

[0027] In this embodiment: when the high-pressure blower is in use, the air inlet 9 is connected to the air inlet pipe, the air outlet 10 is connected to the air outlet pipe, the starting motor 6 drives the connecting shaft 7 to rotate, the connecting shaft 7 drives the fan blades 5 to rotate, and the rotation of the fan blades 5 drives the gas in the air inlet pipe to enter the outer shell 1 and then be discharged through the air outlet pipe. During this process, the coolant enters the cooling chamber 8 through the liquid inlet and is then discharged through the liquid outlet. The cooling chamber 8 cools the blower, and the leaked coolant can be discharged through the drain outlet 11, and the drain outlet 11 is opened and closed by the sealing cap 12.

[0028] Please refer to Figure 2 - Figure 5The ventilation mechanism 3 includes a first ventilation pipe 301 and a second ventilation pipe 302, which are symmetrically arranged on the outer wall of the mounting plate 2. The end of the mounting plate 2 away from the first ventilation pipe 301 is fixedly connected to a connecting block 303, and the interior of the connecting block 303 is slidably connected to a slider 304 extending to the outside of the connecting block 303. The outer wall of the slider 304 is fixedly connected to a first elastic member 305, and the interior of the mounting plate 2 and the connecting block 303 is slidably connected to a movable rod 306. The outer wall of the movable rod 306 is fixedly connected to a second elastic member 307. The second elastic member 305 is fixedly connected to the outer wall of the movable rod 306. A groove 308 is provided at the bottom end of 07, the second elastic member 307 is in contact with the slider 304, the internal rotation of the mounting plate 2 is connected to a rotating ring 309, the outer wall of the rotating ring 309 is provided with a through hole 310, the outer wall of the rotating ring 309 is fixedly connected to a rotating rod 311 extending to the outside of the mounting plate 2, a connecting groove 312 is provided at the connection position between the outer wall of the outer shell 1 and the mounting plate 2, a fixing groove 313 is provided on the inner wall of the connecting groove 312, one end of the first ventilation pipe 301 is connected to the gas storage box, one end of the second ventilation pipe 302 is connected to the collection box, and two through holes 310 are provided.

[0029] In this embodiment, when the fan is in use, the mounting plate 2 is connected to the housing 1. At this time, the rotating rod 311 is not in contact with the movable rod 306, and the slider 304 is located in the fixing groove 313 and in contact with the movable rod 306.

[0030] When the mounting plate 2 needs to be opened, the circumferential displacement rotating rod 311 drives the rotating ring 309 to rotate, and the rotation of the rotating ring 309 drives the two through holes 310 to align with the first ventilation pipe 301 and the second ventilation pipe 302 respectively. At this time, the gas in the gas storage box enters the shell 1 through the first ventilation pipe 301, and then enters the collection box through the second ventilation pipe 302 for collection. In this process, the corrosive gas in the shell 1 is brought into the collection box for collection. At the same time, during the displacement of the rotating rod 311, it contacts the movable rod 306 and drives the movable rod 306 to move, causing the second elastic member 307 to be squeezed and deformed. At this time, the groove 308 contacts the slider 304, so that the slider 304 has space to move, thereby directly pushing the mounting plate 2 away from the shell 1 for displacement. The slider 304 is displaced by force into the connecting block 303 and at the same time displaced out of the fixed groove 313;

[0031] When installing the mounting plate 2, the connecting block 303 is inserted into the connecting groove 312. After completion, the slider 304 enters the fixing groove 313. After completion, the displacement rotating rod 311 is reset. The movable rod 306 is reset by the elastic force of the second elastic member 307. The movable rod 306 contacts the slider 304, so that the slider 304 has no space for displacement, and the slider 304 cannot be displaced out of the fixing groove 313, thereby fixing the mounting plate 2. At the same time, the displacement of the rotating rod 311 drives the rotating ring 309 to rotate, so that the through hole 310 is misaligned with the first ventilation pipe 301 and the second ventilation pipe 302. The rotating ring 309 blocks the first ventilation pipe 301 and the second ventilation pipe 302, which is convenient for collecting the corrosive gas in the shell 1 during the disassembly of the mounting plate 2 to prevent gas leakage.

[0032] Please refer to Figure 5 - Figure 7 The connecting mechanism 4 includes a square block 401, which is fixedly connected to one end of the connecting shaft 7 located in the inner cavity of the shell 1, and the fan blade 5 is sleeved on the outer wall of the square block 401. The outer wall of the square block 401 is fixedly connected to a positioning block 402, and the interior of the square block 401 is slidably connected to a displacement frame 403 extending to the outside of the square block 401. The outer wall of the square block 401 is located between the positioning block 402 and the displacement frame 403 and is slidably connected to a rotating disk 404. The outer wall of the rotating disk 404 is rotatably connected to a pushing frame 405, and both ends of the pushing frame 405 extend out of the outer wall of the shell 1. The interior of the square block 401 is located at one end of the displacement frame 403 and is slidably connected to a clamping block 406, which extends to the top of the square block 401.

[0033] In this embodiment: when installing the fan blade 5, the fan blade 5 is sleeved on the outer wall of the square block 401 and contacts the positioning block 402. After completion, the mounting plate 2 is installed. During the installation process of the mounting plate 2, it contacts the pushing frame 405, pushing the pushing frame 405 to move. The displacement of the pushing frame 405 drives the rotating disk 404 to move. The displacement of the rotating disk 404 drives the displacement frame 403 to move. The displacement of the displacement frame 403 drives the clamping block 406 to move upward. The clamping block 406 moves out of the square block 401 and contacts the fan blade 5. The clamping block 406 and the positioning block 402 fix the fan blade 5 together.

[0034] After the mounting plate 2 is disassembled, the mounting plate 2 is no longer in contact with the pushing frame 405, so that the pushing frame 405 can be displaced, thereby directly pushing the blocking block 406 to displace into the square block 401, canceling the fixation of the fan blades 5, and facilitating the rapid installation of the fan blades 5. After the mounting plate 2 is disassembled, the fixation of the fan blades 5 is automatically canceled.

[0035] Please refer to Figure 2 - Figure 5A rotation groove is provided inside the mounting plate 2 for the rotating ring 309 to rotate, one end of the movable rod 306 extends into the rotation groove, and one end of the movable rod 306 is provided with a first inclined surface.

[0036] In this embodiment, during the displacement of the rotating rod 311 , it contacts the movable rod 306 and drives the movable rod 306 to displace, causing the second elastic member 307 to be squeezed and deformed. At this time, the groove 308 contacts the slider 304, so that the slider 304 has space for displacement.

[0037] Please refer to Figure 2 - Figure 5 The outer wall of the connecting block 303 fits with the inner wall of the connecting groove 312, the outer wall of the slider 304 matches with the inner wall of the fixing groove 313, and the end of the slider 304 located outside the connecting block 303 is a semicircular surface.

[0038] In this embodiment: when installing the mounting plate 2, the connecting block 303 is inserted into the connecting groove 312. After completion, the slider 304 enters the fixing groove 313. After completion, the displacement rotation rod 311 is reset. The movable rod 306 is reset by the elastic force of the second elastic member 307. The movable rod 306 contacts the slider 304, so that the slider 304 has no space for displacement. The slider 304 cannot be displaced out of the fixing groove 313, thereby fixing the mounting plate 2.

[0039] Please refer to Figure 5 - Figure 7 The inner cavities of the fan blades 5 and the rotating disk 404 match the outer wall of the square block 401 , the shape of the block 406 is L-shaped, and the outer wall of the displacement frame 403 is provided with a second inclined surface, which contacts the block 406 .

[0040] In this embodiment: when installing the fan blade 5, the fan blade 5 is sleeved on the outer wall of the square block 401 and in contact with the positioning block 402. After completion, the mounting plate 2 is installed. During the installation process of the mounting plate 2, it contacts the pushing frame 405, pushing the pushing frame 405 to move. The displacement of the pushing frame 405 drives the rotating disk 404 to move. The displacement of the rotating disk 404 drives the displacement frame 403 to move. The displacement of the displacement frame 403 drives the clamping block 406 to move upward. The clamping block 406 moves out of the square block 401 and contacts the fan blade 5. The clamping block 406 and the positioning block 402 fix the fan blade 5 together.

[0041] The above is only a preferred specific embodiment 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 high-pressure blower for conveying corrosive gas, comprising a housing (1), an outer wall of the housing (1) being connected to a mounting plate (2), an inner cavity of the housing (1) being provided with fan blades (5), characterized in that: The housing (1) collects corrosive gas inside the housing (1) through a ventilation mechanism (3); the housing (1) mounts the fan blade (5) through a connecting mechanism (4); A motor (6) is provided on one side of the housing (1), and an output end of the motor (6) is connected to a connecting shaft (7); The connecting mechanism (4) comprises a square block (401), wherein the square block (401) is fixedly connected to one end of the connecting shaft (7) located in the inner cavity of the shell (1), the fan blade (5) is sleeved on the outer wall of the square block (401), the outer wall of the square block (401) is fixedly connected to a positioning block (402), the interior of the square block (401) is slidably connected to a displacement frame (403) extending to the outside of the square block (401), the outer wall of the square block (401) is slidably connected to a rotating disk (404) located between the positioning block (402) and the displacement frame (403), the outer wall of the rotating disk (404) is rotatably connected to a pushing frame (405), both ends of the pushing frame (405) extend out of the outer wall of the shell (1), the interior of the square block (401) is slidably connected to a clamping block (406) located at one end of the displacement frame (403), and the clamping block (406) extends to the top of the square block (401).

2. The high-pressure blower for conveying corrosive gas according to claim 1, characterized in that: A cooling chamber (8) is installed at a position where the outer wall of the housing (1) and the connecting shaft (7) meet, the outer wall of the cooling chamber (8) is provided with a liquid inlet and a liquid outlet, the outer wall of the mounting plate (2) is provided with an air inlet (9), the top end of the housing (1) is provided with an air outlet (10), the bottom end of the housing (1) is provided with a sewage outlet (11), and the outer wall of the sewage outlet (11) is threadedly connected to a sealing cap (12).

3. The high-pressure blower for conveying corrosive gas according to claim 2, characterized in that: The ventilation mechanism (3) comprises a first ventilation pipe (301) and a second ventilation pipe (302), the first ventilation pipe (301) and the second ventilation pipe (302) being symmetrically arranged on the outer wall of the mounting plate (2) in an upper and lower direction, the end of the mounting plate (2) away from the first ventilation pipe (301) being fixedly connected to a connecting block (303), the interior of the connecting block (303) being slidably connected to a slider (304) extending to the outside of the connecting block (303), the outer wall of the slider (304) being fixedly connected to a first elastic member (305), the interior of the mounting plate (2) and the connecting block (303) being slidably connected to a movable rod (306), the movable rod (306) The outer wall of the movable rod (306) is fixedly connected to a second elastic member (307), a groove (308) is provided at the bottom end of the movable rod (306), the movable rod (306) is in contact with the slider (304), the interior of the mounting plate (2) is rotatably connected to a rotating ring (309), the outer wall of the rotating ring (309) is provided with a through hole (310), the outer wall of the rotating ring (309) is fixedly connected to a rotating rod (311) extending to the outside of the mounting plate (2), a connecting groove (312) is provided at a position where the outer wall of the housing (1) and the mounting plate (2) meet, and a fixing groove (313) is provided on the inner wall of the connecting groove (312).

4. The high-pressure blower for conveying corrosive gas according to claim 3, characterized in that: One end of the first ventilation pipe (301) is connected to the gas storage box, and one end of the second ventilation pipe (302) is connected to the collection box.

5. The high-pressure blower for conveying corrosive gas according to claim 3, characterized in that: A rotation groove for the rotation of the rotation ring (309) is provided inside the mounting plate (2), one end of the movable rod (306) extends into the rotation groove, and one end of the movable rod (306) is provided with a first inclined surface.

6. The high-pressure blower for conveying corrosive gas according to claim 3, characterized in that: The outer wall of the connecting block (303) fits with the inner wall of the connecting groove (312), the outer wall of the sliding block (304) matches with the inner wall of the fixing groove (313), and the end of the sliding block (304) located outside the connecting block (303) is a semicircular surface.

7. The high-pressure blower for conveying corrosive gas according to claim 3, characterized in that: The inner cavities of the fan blades (5) and the rotating disk (404) are matched with the outer wall of the square block (401).

8. The high-pressure blower for conveying corrosive gas according to claim 3, characterized in that: The clamping block (406) is L-shaped, and the outer wall of the displacement frame (403) is provided with a second inclined surface, and the second inclined surface is in contact with the clamping block (406).

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