CN214199716U

CN214199716U - Vacuum-pumping device for vacuum microwave smelting furnace

Info

Publication number: CN214199716U
Application number: CN202022867852.4U
Authority: CN
Inventors: 武兴兵
Original assignee: Jingjiang Suhua Copper Co ltd
Current assignee: Jingjiang Suhua Copper Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-14
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a vacuum pumping device for vacuum microwave smelting furnace, including the smelting furnace, the lateral wall of smelting furnace is equipped with the evacuation fan, the inside of evacuation fan is equipped with the connecting pipe, the one end fixedly connected with flat tube of evacuation fan is kept away from to the connecting pipe, the one end fixedly connected with dry-type mechanical pump of connecting pipe is kept away from to the flat tube, the bottom fixedly connected with universal wheel of dry-type mechanical pump. The utility model discloses a set up the evacuation fan, when starting the evacuation fan, the inside motor reverse rotation of fan of managing to find time produces the negative pressure, convey the inside air of smelting furnace to the connecting pipe, the connecting pipe conveys the flat pipe, it makes air transmission's more stable to set up through the flat pipe, through the inside that conveys the air part of smelting furnace inside to the dry-type mechanical pump, start the dry-type mechanical pump and manage to find time the operation, it is more rare to cooperate the inside air of smelting furnace that the dry-type mechanical pump made through setting up the evacuation fan, be favorable to the smelting of metal.

Description

Vacuum-pumping device for vacuum microwave smelting furnace

Technical Field

The utility model relates to the technical field of vacuum pumping, in particular to a vacuum pumping device for a vacuum microwave smelting furnace.

Background

Microwave heating is a heating technology which is developed recently and matured day by day, and has the advantages of non-contact direct heating, rapid heating, uniform heating, energy conservation, high efficiency, advanced process, automatic control, safety, harmlessness, improvement of labor conditions, promotion of interparticle permeation and the like. Besides, the electromagnetic wave has high frequency, and has four basic characteristics of wave property, high frequency property, thermal property and non-thermal property. Compared with the traditional heating method, the traditional heating method depends on a heat source, and firstly heats the surface of an object through radiation, conduction, convection and other ways, and then gradually raises the internal temperature from the outside to the inside through heat conduction.

However, in the prior art, in practical use, the existing vacuum pumping is generally performed by a dry mechanical pump, the pumping efficiency is not good, and the internal components are easy to damage after long-time use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum pumping device for vacuum microwave smelting furnace to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum pumping device for a vacuum microwave smelting furnace comprises a smelting furnace, wherein a side wall of the smelting furnace is provided with an evacuation fan, a connecting pipe is arranged in the evacuation fan, one end of the connecting pipe, which is far away from the evacuation fan, is fixedly connected with a flat pipe, the flat pipe is far away from the connecting pipe, one end of the flat pipe, which is far away from the connecting pipe, is fixedly connected with a dry-type mechanical pump, the bottom of the dry-type mechanical pump is fixedly connected with a universal wheel, the upper side of the smelting furnace is fixedly connected with a smoke exhaust pipe, the smoke exhaust pipe is far away from a threaded rod, the surface of the threaded rod is in threaded connection with a threaded sleeve, the threaded sleeve is far away from one end of the threaded rod, the heat pipe is far away from a one end of the threaded sleeve, the water tank is fixedly connected with a steam pipe, the upper part of the water tank is fixedly connected with a water-stop plate, the bottom side of the water tank is fixedly connected with a water pump, the top fixedly connected with inlet tube of water pump, the inner wall that the inlet tube runs through the water tank extends to outside, the side fixedly connected with outlet pipe of water pump, and the one end that the water pump was kept away from to the outlet pipe is in the inside of dry-type mechanical pump, the inner wall that the outlet pipe runs through the water tank extends to dry-type mechanical pump.

Preferably, the inside of evacuation fan is equipped with the flabellum, be electric connection between evacuation fan and the overall device, the side of smelting furnace is equipped with control panel and evacuates to manage to find time the fan and be connected, the motor of evacuation fan produces the negative pressure for the counter-rotation.

Preferably, the dry mechanical pump is electrically connected with the whole device, and an exhaust pipe is arranged at the top of the dry mechanical pump.

Preferably, the heat conduction pipe penetrates through the inner wall of the water tank and extends to the inside of the water tank, and one end, far away from the threaded sleeve, of the heat conduction pipe is fixedly connected with a resistance wire.

Preferably, one end of the resistance wire, which is far away from the heat conduction pipe, is movably connected with the inner wall of the water tank.

Preferably, the upper part of the water tank is provided with a water pipe connected with an external water source.

Preferably, one end of the water inlet pipe, which is far away from the water pump, is provided with an external water source.

Preferably, the steam pipe is electrically connected with the resistance wire, and the threaded rod is of a hollow structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the evacuation fan, when starting the evacuation fan, the motor reverse rotation in the fan of managing to find time produces the negative pressure, convey the air in the smelting furnace to the connecting pipe, the connecting pipe conveys the plain tube, make air transmission more stable through the setting of plain tube, through conveying the air part in the smelting furnace to the inside of dry-type mechanical pump, start the dry-type mechanical pump and manage to find time the operation, through setting up the air in the smelting furnace that the evacuation fan cooperates the dry-type mechanical pump to make, be favorable to the smelting of metal more scarcely;

2. the utility model discloses still through setting up the water tank simultaneously, the inside water-stop sheet that sets up of water tank for the water on water tank upper portion carries out conduction heating through the heat pipe through the inside waste heat of smelting furnace, the cooperation circular telegram that sets up through the resistance wire makes the faster better utilization of being convenient for of the inside water heating of water tank, simultaneously through the circulating water of water tank lower part, take out the bottom of water tank with outside water through the water pump and store, carry out cooling cycle through the inside of outlet pipe with the cold water transport dry-type mechanical pump bottom the water tank simultaneously, prevent that the inside component of dry-type mechanical pump from damaging ageing because of high temperature.

Drawings

FIG. 1 is a front sectional view of the overall structure of a vacuum-pumping device for a vacuum microwave smelting furnace;

FIG. 2 is a side view of the structure of the connection between the threaded rod and the threaded sleeve of the vacuum-pumping device for the vacuum microwave smelting furnace;

FIG. 3 is a schematic view showing the internal structure of the evacuation fan of the evacuation device for the vacuum microwave smelting furnace;

FIG. 4 is a top view of the steam pipe structure of the vacuum-pumping device for the vacuum microwave smelting furnace.

In the figure: 1. a smelting furnace; 2. a connecting pipe; 3. an evacuation fan; 4. flattening the pipe; 5. a dry mechanical pump; 6. a universal wheel; 7. a smoke exhaust pipe; 8. a threaded rod; 9. a threaded bushing; 10. a heat conducting pipe; 11. a water tank; 12. a water-stop sheet; 13. a resistance wire; 14. a water pump; 15. a water inlet pipe; 16. and (5) discharging a water pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a vacuum pumping device for a vacuum microwave smelting furnace comprises a smelting furnace 1, wherein a pumping fan 3 is arranged on the side wall of the smelting furnace 1, a connecting pipe 2 is arranged inside the pumping fan 3, a flat pipe 4 is fixedly arranged at one end, far away from the pumping fan 3, of the connecting pipe 2, a dry type mechanical pump 5 is fixedly arranged at one end, far away from the connecting pipe 2, of the flat pipe 4, a universal wheel 6 is fixedly arranged at the bottom of the dry type mechanical pump 5, a smoke exhaust pipe 7 is fixedly arranged on the side surface of the upper portion of the smelting furnace 1, a threaded rod 8 is fixedly arranged at one end, far away from the smelting furnace 1, of the smoke exhaust pipe 7, a threaded sleeve 9 is in threaded connection with the surface of the threaded rod 8, a heat conducting pipe 10 is fixedly arranged at one end, far away from the threaded sleeve 9, of the threaded sleeve 9, a water tank 11 is fixedly arranged at one end, far away from the threaded sleeve 9, a steam pipe 17 is fixedly arranged at the upper portion of the water tank 11, a water baffle 12 is fixedly arranged at the middle of the water tank 11, and a water pump 14 is fixedly arranged on the side surface of the water tank 11, the top fixed mounting of water pump 14 has inlet tube 15, and inlet tube 15 runs through the inner wall of water tank 11 and extends outside, and the side fixed mounting of water pump 14 has outlet pipe 16, and the one end that outlet pipe 16 kept away from water pump 14 is in dry-type mechanical pump 5's inside, and outlet pipe 16 runs through the inner wall of water tank 11 and extends to dry-type mechanical pump 5.

The inside of the evacuation fan 3 is provided with fan blades, the evacuation fan 3 is electrically connected with the whole device, the side surface of the smelting furnace 1 is provided with a control panel which is connected with the evacuation fan 3, and the motor of the evacuation fan 3 generates negative pressure for reverse rotation.

The dry mechanical pump 5 is electrically connected with the whole device, and the top of the dry mechanical pump 5 is provided with an exhaust pipe.

The heat conduction pipe 10 penetrates through the inner wall of the water tank 11 and extends into the water tank 11, and one end of the heat conduction pipe 10 away from the threaded sleeve 9 is fixedly provided with a resistance wire 13.

One end of the resistance wire 13 far away from the heat conduction pipe 10 is movably connected with the inner wall of the water tank 11.

The upper part of the water tank 11 is provided with a water pipe connected with an external water source.

The end of the inlet pipe 15 remote from the water pump 14 is provided with an external water source.

The steam pipe 17 is electrically connected with the resistance wire 13, and the interior of the threaded rod 8 is of a hollow structure.

The working principle is as follows: when the utility model is used, the utility model is provided with the evacuation fan 3, when the evacuation fan 3 is started, the motor inside the evacuation fan 3 rotates reversely to generate negative pressure, the air inside the smelting furnace 1 is transmitted to the connecting pipe 2, the connecting pipe 2 is transmitted to the flat pipe 4, the air transmission is more stable through the arrangement of the flat pipe 4, the air inside the smelting furnace 1 is transmitted to the inside of the dry type mechanical pump 5 through the air part inside the smelting furnace 1, the dry type mechanical pump 5 is started to evacuate, the air inside the smelting furnace is more rare through the arrangement of the evacuation fan 3 and the dry type mechanical pump 5, which is beneficial to the smelting of metal, the utility model also simultaneously, through the arrangement of the water tank 11, the water baffle plate 12 is arranged inside the water tank 11, the water on the upper part of the water tank 11 is conducted and heated through the waste heat inside the smelting furnace 1 through the heat conduction pipe 10, the water heating inside the water tank 11 is more quickly and is more convenient for better utilization through the arrangement of the resistance wire 13 and the power on, meanwhile, external water is pumped to the bottom of the water tank 11 by the water pump 14 through circulating water at the lower part of the water tank 11 for storage, and cold water at the bottom of the water tank 11 is conveyed to the inside of the dry mechanical pump 5 through the water outlet pipe 16 for cooling circulation, so that elements inside the dry mechanical pump 5 are prevented from being damaged and aged due to high temperature.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a vacuum pumping device for vacuum microwave smelting furnace, includes smelting furnace (1), its characterized in that: the lateral wall of smelting furnace (1) is equipped with evacuation fan (3), the inside of evacuation fan (3) is equipped with connecting pipe (2), the one end fixedly connected with flat pipe (4) of evacuation fan (3) are kept away from in connecting pipe (2), the one end fixedly connected with dry-type mechanical pump (5) of connecting pipe (2) are kept away from in flat pipe (4), the bottom fixedly connected with universal wheel (6) of dry-type mechanical pump (5), the upper portion side fixedly connected with of smelting furnace (1) discharges fume pipe (7), the one end fixedly connected with threaded rod (8) of smelting furnace (1) are kept away from to pipe (7) of discharging fume, the surperficial threaded connection of threaded rod (8) has threaded sleeve pipe (9), the one end fixedly connected with heat pipe (10) of threaded rod (8) are kept away from to threaded sleeve pipe (9), the one end fixedly connected with water tank (11) of threaded sleeve pipe (9) are kept away from to heat pipe (10), the utility model discloses a dry mechanical pump, including the upper portion fixedly connected with steam pipe (17) of water tank (11), the middle part fixedly connected with water-stop sheet (12) of water tank (11), the bottom side fixedly connected with water pump (14) of water tank (11), the top fixedly connected with inlet tube (15) of water pump (14), the inner wall that inlet tube (15) run through water tank (11) extends to outside, the side fixedly connected with outlet pipe (16) of water pump (14), and outlet pipe (16) keep away from the one end of water pump (14) in the inside of dry mechanical pump (5), the inner wall that outlet pipe (16) run through water tank (11) extends to dry mechanical pump (5).

2. The vacuum-pumping device for the vacuum microwave smelting furnace according to claim 1, characterized in that: the inside of evacuation fan (3) is equipped with the flabellum, be electric connection between evacuation fan (3) and the overall device, the side of smelting furnace (1) is equipped with control panel and is connected with evacuation fan (3), the motor of evacuation fan (3) produces the negative pressure for the counter-rotation.

3. The vacuum-pumping device for the vacuum microwave smelting furnace according to claim 1, characterized in that: the dry type mechanical pump (5) is electrically connected with the whole device, and an exhaust pipe is arranged at the top of the dry type mechanical pump (5).

4. The vacuum-pumping device for the vacuum microwave smelting furnace according to claim 1, characterized in that: the heat conduction pipe (10) runs through the inner wall of the water tank (11) and extends to the inside of the water tank (11), and one end, far away from the threaded sleeve (9), of the heat conduction pipe (10) is fixedly connected with a resistance wire (13).

5. The vacuum-pumping device for the vacuum microwave smelting furnace according to claim 4, characterized in that: one end of the resistance wire (13) far away from the heat conduction pipe (10) is movably connected with the inner wall of the water tank (11).

6. The vacuum-pumping device for the vacuum microwave smelting furnace according to claim 1, characterized in that: the upper part of the water tank (11) is provided with a water pipe connected with an external water source.

7. The vacuum-pumping device for the vacuum microwave smelting furnace according to claim 1, characterized in that: and an external water source is arranged at one end of the water inlet pipe (15) far away from the water pump (14).

8. The vacuum-pumping device for the vacuum microwave smelting furnace according to claim 1, characterized in that: the steam pipe (17) is electrically connected with the resistance wire (13), and the threaded rod (8) is of a hollow structure.