Corrosion-resistant chemical centrifugal pump

Abstract

The utility model discloses a corrosion-resistant chemical centrifugal pump which comprises a base, a centrifugal pump body is fixed on the base, a shell is arranged outside the centrifugal pump body in a buckling mode, and a pair of air channels are arranged in the shell. The air blower is reasonable in structure and novel in design, the motor is started to drive the second gear to rotate, so that the chain can be driven to rotate, the first gear is further driven to rotate, the lead screw can rotate in the sliding blocks, the pair of sliding blocks is driven to synchronously move left and right, the shell can be driven to move, the air blower is started, and air is blown out through the air blower. The dust is blown to the centrifugal pump body through the first air duct and the first through hole, the dust is prevented from adhering to the surface of the centrifugal pump and corroding the surface of the centrifugal pump, then the exhaust fan is turned off and turned on, suction force is generated through the exhaust fan, negative pressure is formed at the second through hole through the second air duct, and the dust and the like flying around are sucked. An air outlet of the exhaust fan is connected with the dust collection bag and used for collecting dust.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump technical field, concretely is a kind of corrosion-resistant chemical centrifugal pump. BACKGROUND

[0002] Centrifugal pump is the pump that liquid is transported by centrifugal force generated when impeller rotates, and the centrifugal pump of user chemical industry needs to have certain requirements to pump, because chemical industry can involve many corrosive liquids, and liquid with certain temperature, if using conventional centrifugal pump to transport these liquids, pump body will be corroded and damaged by these high temperature and corrosive liquids, can greatly reduce the service life of centrifugal pump, therefore, centrifugal pump applied in chemical industry has the functions of high temperature resistance and corrosion resistance.

[0003] The surface of the existing centrifugal pump will be covered with a large amount of dust when it is working for a long time exposed to the outdoor, and the dust will cause corrosion to the surface of the centrifugal pump, thus affecting the service life of the centrifugal pump. SUMMARY

[0004] In view of the deficiencies of the prior art, a corrosion-resistant chemical centrifugal pump is disclosed, which comprises a base, a centrifugal pump body is fixed on the base, a shell is buckled outside the centrifugal pump body, and a pair of air ducts are arranged in the shell.

[0005] One of the air ducts extends inward and is provided with a plurality of first through holes, and the other air duct is provided with a second through hole;

[0006] The air duct provided with the first through hole is connected with a hair dryer through a hose, and the other air duct is connected with an air extractor through a hose.

[0007] A sliding groove is formed on the front and rear sides of the upper wall of the base, a sliding block is slidably arranged in the sliding groove, the front and rear ends of the shell are installed on the sliding block, a lead screw is helically penetrated through the sliding block, one end of the lead screw is rotatably connected with the side wall of the sliding groove, the other end of the lead screw is rotatably penetrated through the base, a first gear is installed at the end of the lead screw penetrated through the base, a second gear is engagedly connected between the pair of first gears, a motor is installed on the second gear, the motor is installed on the side wall of the base, and a chain is engagedly sleeved with the outer rings of the first and second gears.

[0008] A baffle is arranged on the sliding groove and slidably penetrates the sliding block.

[0009] Preferably, a cleaning door is formed on the front and rear side walls of the base.

[0010] The utility model has the following beneficial effects: the utility model discloses reasonable structure, novel design, when using, starting motor, the motor drives the second gear to rotate, can drive the chain rotation in turn, and then can drive the first gear rotation, can make the screw rotate in the sliding block, drives a pair of sliding block synchronous left and right movement, can drive the shell movement, opens the hair dryer, blows out the wind through the hair dryer, through the first air duct, blows to centrifugal pump body through the first through -hole, scatters the dust that centrifugal pump body is attached due to placing, prevents dust from adhering to the surface of centrifugal pump and causes the surface of centrifugal pump to be corroded, then closes the exhaust fan, opens the exhaust fan, generates suction through the exhaust fan, through the second air duct, forms negative pressure at the second through -hole, and dust etc. scattered around are sucked, and the air outlet of the exhaust fan is connected with the dust bag and is used for collecting dust. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the schematic front view of the utility model;

[0012] Fig. 2 It is the schematic right side view of the utility model;

[0013] Fig. 3 It is the schematic plan view of the utility model.

[0014] In the drawing: 1 - base, 2 - centrifugal pump body, 3 - shell, 4 - air duct, 5 - first through -hole, 6 - second through -hole, 7 - hair dryer, 8 - exhaust fan, 9 - sliding slot, 10 - sliding block, 11 - screw, 12 - first gear, 13 - second gear, 14 - motor, 15 - chain, 16 - baffle. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0016] Please refer to Figs. 1-3 A kind of corrosion-resistant chemical centrifugal pump, it includes base 1, centrifugal pump body 2 is fixed on base 1, centrifugal pump body 2 outside buckling has shell 3, shell 3 has no bottom wall and left and right side wall, a pair of air ducts 4 are arranged in shell 3;

[0017] One of the air ducts 4 extends inward and has a plurality of first through-holes 5, and the other air duct 4 has a second through-hole 6, and the second through-hole 6 penetrates the shell 3;

[0018] A blower 7 is connected to the air duct 4 with a first through hole 5 via a hose, and an exhaust fan 8 is connected to the other air duct 4 via a hose.

[0019] Air is blown out by the blower 7, passes through the first air duct 4, and blows towards the centrifugal pump body 2 through the first through hole 5, blowing away the dust attached to the centrifugal pump body 2. The suction generated by the exhaust fan 8 passes through the second air duct 4 and forms a negative pressure at the second through hole 6, which sucks up the dust and other dust scattered around. The air outlet of the exhaust fan 8 is connected to a dust collection bag for collecting dust.

[0020] The upper wall of the base 1 has grooves 9 on both the front and rear sides. A slider 10 is slidably arranged in the grooves 9. The front and rear ends of the housing 3 are both mounted on the slider 10. A lead screw 11 is spirally threaded through the slider 10. One end of the lead screw 11 is rotatably connected to the side wall of the groove 9. The other end of the lead screw 11 rotatably passes through the base 1. A first gear 12 is installed at the end of the lead screw 11 that passes through the base 1. A second gear 13 is arranged between the pair of first gears 12. A motor 14 is installed on the second gear 13. The motor 14 is installed on the side wall of the base 1. A chain 15 is meshed and sleeved on the outer rings of the first gear 12 and the second gear 13.

[0021] Start the motor 14, which drives the second gear 13 to rotate, thereby driving the chain 15 to rotate, which in turn drives the first gear 12 to rotate, thereby causing the lead screw 11 to rotate inside the slider 10, driving a pair of sliders 10 to move synchronously left and right, thereby driving the housing 3 to move.

[0022] Each slide 9 is equipped with a baffle 16, which slides through the slider 10 to prevent large pieces of debris from falling into the slide 9 and affecting the normal movement of the slider 10.

[0023] The base 1 has cleaning doors on its front and rear side walls for cleaning the inside of the slide 9.

[0024] Example: In use, start motor 14, which drives second gear 13 to rotate, thereby driving chain 15 to rotate, which in turn drives first gear 12 to rotate, causing lead screw 11 to rotate inside slider 10, driving a pair of sliders 10 to move synchronously left and right, thereby moving housing 3. Turn on blower 7, and blow air out through first air duct 4 and first through hole 5 to centrifugal pump body 2, blowing away dust attached to centrifugal pump body 2 to prevent dust from adhering to the surface of centrifugal pump and causing corrosion. Then turn off exhaust fan 8 and immediately turn on exhaust fan 8. The suction generated by exhaust fan 8 passes through second air duct 4 and forms negative pressure at second through hole 6, sucking up dust and other dust scattered around. The air outlet of exhaust fan 8 is connected to dust collection bag for collecting dust.

[0025] The motor, exhaust fan, and blower are connected to a signal controller for automatic control of the motor, exhaust fan, and blower, and for periodically cleaning the centrifugal pump body. These are well known to those skilled in the art and will not be described in detail here.

[0026] In the description of this solution, it should be noted that, unless otherwise explicitly specified and limited, the terms 'installation,' 'connection,' 'linking,' and 'communication' should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components; and they can refer to wireless connections or wired connections. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corrosion-resistant chemical centrifugal pump, characterized in that, It includes a base (1), on which a centrifugal pump body (2) is fixed, and a housing (3) is fastened to the outside of the centrifugal pump body (2), and a pair of air ducts (4) are provided inside the housing (3). One of the air ducts (4) extends inward and has multiple first through holes (5), and the other air duct (4) has a second through hole (6) that penetrates the housing (3). A blower (7) is connected to the air duct (4) with a first through hole (5) via a hose, and an exhaust fan (8) is connected to the other air duct (4) via a hose. The base (1) has sliding grooves (9) on the front and rear sides of the upper wall. A slider (10) is slidably arranged in the sliding groove (9). The front and rear ends of the housing (3) are both installed on the slider (10). A lead screw (11) is spirally threaded through the slider (10). One end of the lead screw (11) is rotatably connected to the side wall of the sliding groove (9). The other end of the sliding groove (9) rotatably passes through the base (1). A first gear (12) is installed at the end of the lead screw (11) that passes through the base (1). A second gear (13) is meshed between a pair of first gears (12). A motor (14) is installed on the second gear (13). The motor (14) is installed on the side wall of the base (1). A chain (15) is meshed and sleeved on the outer rings of the first gear (12) and the second gear (13). Each of the slide grooves (9) is provided with a baffle (16), which slides through the slider (10).

2. The corrosion-resistant chemical centrifugal pump according to claim 1, characterized in that, The base (1) has cleaning doors on its front and rear side walls.

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