CN213953890U

CN213953890U - Roots blower special for low temperature and high pressure

Info

Publication number: CN213953890U
Application number: CN202022812515.5U
Authority: CN
Inventors: 华贤渊
Original assignee: Wuxi Ainuo Electromechanical Technology Co ltd
Current assignee: Wuxi Ainuo Electromechanical Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-13
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a special roots's fan of low temperature high pressure, including bottom plate, fan body, motor body and muffler, fan body is fixed in top outer wall middle part one side of bottom plate, and motor body is fixed in another department in the top outer wall middle part of bottom plate, motor body's output shaft one end is fixed with first belt pulley, and fan body's output shaft one end is fixed with the second belt pulley, same belt has been cup jointed to first belt pulley and second belt pulley. The utility model discloses the temperature in the temperature sensor perception protection casing is crossed lowly when the temperature, and is closed with first apron and second apron, then the heat lamp operation heaies up, protects roots's fan, then through the pressure in the pressure sensor perception protection casing, when pressure is too big, the accessible relief valve discharges unnecessary pressure, when pressure is too little, the accessible force (forcing) pump pressurizes to the protection casing is inside, lets roots's fan move under stable environment, reduces roots's fan and maintains the number of times.

Description

Roots blower special for low temperature and high pressure

Technical Field

The utility model relates to a roots's fan technical field especially relates to special roots's fan of low temperature high pressure.

Background

The Roots blower belongs to a positive displacement blower, and the end faces of an impeller and front and rear end covers of the blower. The principle is that the two blade-shaped rotors perform relative motion in a cylinder to compress and convey gas, and the conventional Roots blower is easy to cause various faults due to low temperature or high pressure when operating in a severe environment, and needs a protection device to protect the Roots blower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the low-temperature high-pressure special Roots blower.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the low-temperature high-pressure special Roots blower comprises a bottom plate, a blower body, a motor body and a silencer, wherein the blower body is fixed on one side of the middle part of the top outer wall of the bottom plate, the motor body is fixed on the other part of the middle part of the top outer wall of the bottom plate, one end of an output shaft of the motor body is fixed with a first belt pulley, one end of the output shaft of the blower body is fixed with a second belt pulley, the first belt pulley and the second belt pulley are sleeved with the same belt, the top outer wall of the bottom plate is fixed with a protective cover, the silencer is fixed on the top outer wall of the protective cover, an air inlet pipe is fixed at the air outlet end of the silencer and penetrates through the protective cover to be fixedly connected with the air inlet end of the blower body, a heating lamp is fixed on one side of the top inner wall of the protective cover, a pressure pump is fixed on the middle part of the outer wall of one side of the protective cover, and the air outlet end of the pressure pump is communicated with the protective cover through a pipeline, the utility model discloses a pressure pump, including protection casing, pressure sensor, air inlet, air outlet, air inlet part, air outlet, air inlet part, air outlet part, the top-down of one side inner wall that the force (forcing) pump was kept away from to the protection casing is fixed with temperature sensor and pressure sensor in proper order, and temperature sensor's signal end and pressure sensor's signal end all are connected with the PLC controller through the signal line, the one side outer wall top that the force (forcing) pump was kept away from to the protection casing has seted up the installing port, and the inner wall of installing port is fixed with the relief valve, the air inlet has been seted up to the one side outer wall that the protection casing is located the force (forcing) pump top, and the inner wall of air outlet is fixed with the radiating part.

Preferably, the air inlet part includes the air-supply line, and the air-supply line is fixed in the inner wall of air intake, the import department outer wall of air-supply line articulates there is first apron, and first apron passes through hasp lock and air-supply line fixed connection, the export inner wall of air-supply line is fixed with first dust screen.

Preferably, the heat dissipation part includes the cooling tube, and the cooling tube is fixed in the inner wall of air outlet, the inner wall of cooling tube is fixed with radiator fan, and cooling tube exit outer wall articulates there is the second apron, the second apron is through hasp lock and cooling tube fixed connection, and the exit inner wall of cooling tube is fixed with the second dust screen.

Preferably, the air outlet pipe is fixed at the air outlet end of the fan body, the round opening is formed in the bottom of the outer wall on one side of the protective cover, the connecting pipe is fixed on the inner wall of the round opening, and the connecting pipe is in threaded connection with the air outlet pipe.

Preferably, fan body and motor body all are located the inside of protection casing, and the top outer wall middle part of bottom plate is fixed with belt protection frame, first belt pulley and second belt pulley all are located belt protection frame.

Preferably, an opening is formed in the outer wall of one side of the protective cover, a door plate is hinged to the inner wall of one side of the opening, and the door plate is fixedly connected with the protective cover through a hasp lock.

Preferably, the heating lamp, the pressure pump, the cooling fan, the fan body and the motor body are all connected with a switch through wires, and the switch is connected with the PLC through wires.

The utility model has the advantages that:

1. when the low-temperature high-pressure special Roots blower is used, the first cover plate and the second cover plate are opened, then the cooling fan operates to discharge heat in the protective cover, the cooling effect is achieved, the temperature sensor can sense the temperature in the protective cover, when the temperature is too low, the first cover plate and the second cover plate are closed, then the heating lamp operates to raise the temperature, the Roots blower is protected, then the pressure in the protective cover is sensed through the pressure sensor, when the pressure is too high, redundant pressure can be discharged through the pressure release valve, when the pressure is too low, the interior of the protective cover can be pressurized through the pressure pump, the Roots blower operates in a stable environment, and the maintenance times of the Roots blower are reduced;

2. this special roots's fan of low temperature high pressure opens the door plant and can open the protection casing, and the operating personnel of being convenient for maintains fan body and motor body, and first dust screen and second dust screen effectively ensure motor body and fan body and do not receive the dust infringement.

Drawings

Fig. 1 is a schematic view of a vertical cross-sectional structure of a low-temperature high-pressure special roots blower provided by the utility model;

fig. 2 is the main view structure diagram of the roots blower dedicated for low temperature and high pressure provided by the utility model.

In the figure: the air conditioner comprises a base plate 1, a protective cover 2, a fan body 3, a motor body 4, a silencer 5, an air inlet pipe 6, an air outlet pipe 7, a connecting pipe 8, a heating lamp 9, a temperature sensor 10, a pressure pump 11, a pressure sensor 12, a pressure release valve 13, an air inlet pipe 14, a first dust screen 15, a first cover plate 16, a radiating pipe 17, a radiating fan 18, a second dust screen 19, a second cover plate 20 and a door plate 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the roots blower special for low temperature and high pressure comprises a bottom plate 1, a blower body 3, a motor body 4 and a silencer 5, wherein the blower body 3 is fixed on one side of the middle part of the top outer wall of the bottom plate 1, the motor body 4 is fixed on the other side of the middle part of the top outer wall of the bottom plate 1, one end of an output shaft of the motor body 4 is fixed with a first belt pulley, one end of the output shaft of the blower body 3 is fixed with a second belt pulley, the first belt pulley and the second belt pulley are sleeved with the same belt, the top outer wall of the bottom plate 1 is fixed with a protective cover 2, the silencer 5 is fixed on the top outer wall of the protective cover 2, an air outlet end of the silencer 5 is fixed with an air inlet pipe 6, the air inlet pipe 6 penetrates through the protective cover 2 and is fixedly connected with an air inlet end of the blower body 3, one side of the top inner wall of the protective cover 2 is fixed with a heating lamp 9, and the middle part of one side outer wall of the protective cover 2 is fixed with a pressure pump 11, the air outlet end of the pressure pump 11 is communicated with the protective cover 2 through a pipeline, a temperature sensor 10 and a pressure sensor 12 are sequentially fixed on the inner wall of one side, away from the pressure pump 11, of the protective cover 2 from top to bottom, a signal end of the temperature sensor 10 and a signal end of the pressure sensor 12 are connected with a PLC (programmable logic controller) through signal lines, the top of the outer wall of one side, away from the pressure pump 11, of the protective cover 2 is provided with a mounting opening, a pressure release valve 13 is fixed on the inner wall of the mounting opening, an air inlet is formed in the outer wall of one side, located above the pressure pump 11, of the protective cover 2, an air inlet part is fixed on the inner wall of the air inlet, an air outlet is formed in the bottom of the outer wall of one side, away from the pressure pump 11, of the protective cover 2, a heat dissipation part is fixed on the inner wall of the air outlet, the air inlet part comprises an air inlet pipe 14, the air inlet pipe 14 is fixed on the inner wall of the air inlet pipe, and a first cover plate 16 is hinged on the outer wall of the inlet of the air inlet pipe 14, and the first cover plate 16 is fixedly connected with the air inlet pipe 14 through a hasp lock, the inner wall of the outlet of the air inlet pipe 14 is fixed with a first dustproof net 15, the heat dissipation part comprises a heat dissipation pipe 17, the heat dissipation pipe 17 is fixed on the inner wall of the air outlet, the inner wall of the heat dissipation pipe 17 is fixed with a heat dissipation fan 18, the outer wall of the outlet of the heat dissipation pipe 17 is hinged with a second cover plate 20, the second cover plate 20 is fixedly connected with the heat dissipation pipe 17 through the hasp lock, the inner wall of the outlet of the heat dissipation pipe 17 is fixed with a second dustproof net 19, the air outlet end of the fan body 3 is fixed with an air outlet pipe 7, the bottom of one side outer wall of the protective cover 2 is provided with a round mouth, the inner wall of the round mouth is fixed with a connecting pipe 8, the connecting pipe 8 is in threaded fit with the air outlet pipe 7, the fan body 3 and the motor body 4 are both positioned inside the protective cover 2, the middle part of the top outer wall of the bottom plate 1 is fixed with a belt protective frame, and the first belt pulley and the second belt pulley are both positioned in the belt protective frame, the opening has been seted up to one side outer wall of protection casing 2, and open-ended one side inner wall articulates there is door plant 21, and door plant 21 is through hasp lock and 2 fixed connection of protection casings, and heat lamp 9, force (forcing) pump 11, radiator fan 18, fan body 3 and motor body 4 all are connected with the switch through the wire, and the switch passes through the wire and is connected with the PLC controller.

The working principle is as follows: during the use, open first apron 16 and second apron 20, then radiator fan 18 operation is discharged the heat in the protection casing 2, outside air passes through air-supply line 14 and gets into the inside convection current that forms of protection casing 2, and then accomplish the heat dissipation work, then temperature sensor 10 perception temperature in the protection casing 2, when the temperature is low excessively, it is closed with first apron 16 and second apron 20, then heat lamp 9 operation heats up the temperature in the protection casing 2, pressure in the accessible pressure sensor 12 perception protection casing 2, when pressure is too big, accessible relief valve 13 discharges unnecessary pressure, when pressure is too little, accessible force (forcing) pump 11 pressurizes to protection casing 2 is inside, let roots's blower move under stable environment, reduce roots's blower and maintain the number of times.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The Roots blower special for low temperature and high pressure comprises a bottom plate (1), a blower body (3), a motor body (4) and a silencer (5), and is characterized in that the blower body (3) is fixed on one side of the middle part of the outer wall of the top part of the bottom plate (1), the motor body (4) is fixed on the other part of the middle part of the outer wall of the top part of the bottom plate (1), one end of an output shaft of the motor body (4) is fixed with a first belt pulley, one end of the output shaft of the blower body (3) is fixed with a second belt pulley, the first belt pulley and the second belt pulley are sleeved with the same belt, the outer wall of the top part of the bottom plate (1) is fixed with a protective cover (2), the silencer (5) is fixed on the outer wall of the top part of the protective cover (2), an air outlet end of the silencer (5) is fixed with an air inlet pipe (6), and, the protection cover is characterized in that a heating lamp (9) is fixed on one side of the inner wall of the top of the protection cover (2), a pressure pump (11) is fixed in the middle of the outer wall of one side of the protection cover (2), the air outlet end of the pressure pump (11) is communicated with the protection cover (2) through a pipeline, a temperature sensor (10) and a pressure sensor (12) are sequentially fixed on the inner wall of one side of the protection cover (2) away from the pressure pump (11) from top to bottom, the signal end of the temperature sensor (10) and the signal end of the pressure sensor (12) are both connected with a PLC (programmable logic controller) through signal lines, a mounting opening is formed in the top of the outer wall of one side of the protection cover (2) away from the pressure pump (11), a pressure release valve (13) is fixed on the inner wall of the mounting opening, an air inlet is formed in the outer wall of one side of the protection cover (2) above the pressure pump (11), an air inlet part is fixed on the inner wall of the air inlet, an air outlet is formed in the bottom of the outer wall of one side of the protection cover (2) away from the pressure pump (11), and the inner wall of the air outlet is fixed with a heat dissipation component.

2. The roots blower special for low temperature and high pressure as claimed in claim 1, wherein the air inlet part comprises an air inlet pipe (14), the air inlet pipe (14) is fixed on the inner wall of the air inlet, the outer wall of the inlet of the air inlet pipe (14) is hinged with a first cover plate (16), the first cover plate (16) is fixedly connected with the air inlet pipe (14) through a snap lock, and the inner wall of the outlet of the air inlet pipe (14) is fixed with a first dust screen (15).

3. The roots blower special for low temperature and high pressure as claimed in claim 1, wherein the heat dissipation part comprises a heat dissipation pipe (17), the heat dissipation pipe (17) is fixed on the inner wall of the air outlet, a heat dissipation fan (18) is fixed on the inner wall of the heat dissipation pipe (17), a second cover plate (20) is hinged on the outer wall of the outlet of the heat dissipation pipe (17), the second cover plate (20) is fixedly connected with the heat dissipation pipe (17) through a snap lock, and a second dustproof mesh (19) is fixed on the inner wall of the outlet of the heat dissipation pipe (17).

4. The roots blower special for low temperature and high pressure as claimed in claim 1, wherein the air outlet pipe (7) is fixed at the air outlet end of the blower body (3), a round opening is formed at the bottom of the outer wall of one side of the protective cover (2), the connecting pipe (8) is fixed at the inner wall of the round opening, and the connecting pipe (8) and the air outlet pipe (7) form a screw joint fit.

5. The roots blower special for low temperature and high pressure as claimed in claim 1, wherein the blower body (3) and the motor body (4) are both located inside the protective cover (2), a belt protective frame is fixed in the middle of the outer wall of the top of the bottom plate (1), and the first belt pulley and the second belt pulley are both located in the belt protective frame.

6. The roots blower special for low temperature and high pressure as claimed in claim 1, wherein an opening is formed in the outer wall of one side of the shield (2), a door plate (21) is hinged to the inner wall of one side of the opening, and the door plate (21) is fixedly connected with the shield (2) through a snap lock.

7. The roots blower special for low temperature and high pressure as claimed in claim 1, wherein the heating lamp (9), the pressure pump (11), the heat dissipation fan (18), the blower body (3) and the motor body (4) are all connected with a switch through conducting wires, and the switch is connected with a PLC controller through conducting wires.