CN213713905U

CN213713905U - Vacuum heating furnace

Info

Publication number: CN213713905U
Application number: CN202022483705.7U
Authority: CN
Inventors: 黄美婷
Original assignee: Quanzhou Gangwei Hardware Products Co ltd
Current assignee: Quanzhou Gangwei Hardware Products Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-07-16
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a vacuum heating furnace, which belongs to the field of zinc alloy processing equipment, a heating chamber is formed around a heating layer, a first vacuum chamber is formed between a first partition layer and the heating layer, a second vacuum chamber is formed between the first partition layer and a second partition layer, a feed inlet and a discharge outlet are arranged on a furnace body, the second partition layer is communicated with the outside, sealing doors for sealing and separating each chamber are arranged at the feed inlet and the discharge outlet of the first partition layer, the second partition layer and the heating layer, the first vacuum chamber and the second vacuum chamber are communicated with a vacuum generator, and a heating device for heating the heating chamber is arranged in the first vacuum chamber, and (4) opening each closing door in a staged manner, thereby completing the feeding operation.

Description

Vacuum heating furnace

Technical Field

The utility model discloses a vacuum heating furnace belongs to zinc alloy processing equipment field.

Background

In the metallurgical industry, a heating furnace is a device (industrial furnace) for heating a material or a workpiece (generally a metal) to a rolling forging temperature, and the heating furnace is applied to various industries such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like.

The existing heating furnace cannot be used for feeding in the heating process, heat is often dissipated to the outside air, the temperature in a workshop is high, the heat is dissipated while the energy is wasted, the production cost is improved, and therefore the heating furnace is good in heat preservation effect and capable of feeding in the heating process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving foretell problem and providing a vacuum heating furnace, when using, with first vacuum cavity and the vacuum of second vacuum cavity vacuum pumping layer for the intraformational temperature of heating is difficult for transmitting out, thereby improves the heat preservation degree of furnace body, and when two sections vacuum belts made the operation of need carrying out the feeding, each closed door was opened in stage nature, thereby accomplished the feeding operation.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a vacuum heating furnace, furnace body including the tubbiness, the furnace body includes zone of heating, first partition layer and second partition layer, the zone of heating encircles and is formed with the heating chamber, be formed with first vacuum cavity between first partition layer and the zone of heating, first partition layer and second partition are formed with the second vacuum cavity between the layer, feed inlet and discharge gate have been seted up on the furnace body, second partition layer and external intercommunication, first partition layer, second partition layer and zone of heating all are provided with in feed inlet and discharge gate department and are used for the sealing door that seals up each cavity, first vacuum cavity and second vacuum cavity all communicate there is the vacuum generator, be provided with the heating device who is used for heating the heating chamber in the first vacuum cavity.

By adopting the technical scheme, the first vacuum cavity and the second vacuum cavity are vacuumized during use, so that the temperature in the heating cavity can not be transferred, the heat of the heating furnace is not easy to dissipate, the fusion of zinc alloy is better promoted, more energy is saved, when feeding is needed, the second vacuum cavity is opened firstly, materials are placed, then the second vacuum cavity is closed and vacuumized, then the first vacuum cavity is communicated with the second vacuum cavity, the materials enter the second vacuum cavity, the second vacuum cavity and the first vacuum cavity are sealed, then the heating cavity is communicated with the first vacuum cavity, the materials enter the heating cavity for heating, the heating cavity is sealed after the materials enter the heating cavity, the heat is not easy to dissipate, and the purpose of saving energy is achieved.

Preferably, the sealing door includes first feed gate, second feed gate, third feed gate, first discharge gate, second discharge gate and third discharge gate, first feed gate is located second partition layer feed inlet department, the second feed gate is located first partition layer feed inlet department, the third feed gate is located zone of heating feed inlet department, first discharge gate is located second partition layer discharge outlet department, the second discharge gate is located first partition layer discharge outlet department, the third discharge gate is located zone of heating discharge outlet department.

Through adopting above-mentioned technical scheme, through the intercommunication relation between each cavity of different feeding doors and discharge door control for each cavity remains throughout in required state, thereby realizes energy-conserving purpose.

Preferably, the second partition layer is provided with a first air exhaust hole communicated with the first vacuum cavity, a second air exhaust hole communicated with the second vacuum cavity and a third air exhaust hole communicated with the heating cavity, and the first air exhaust hole, the second air exhaust hole and the third air exhaust hole are respectively communicated with an air pump.

Through adopting above-mentioned technical scheme, take out the gas in heating chamber, first vacuum cavity and the second vacuum cavity through the air pump to make inside atmospheric pressure step-down, make inside air reduce, make the heat transfer slow, thereby play heat retaining effect, and the heat is difficult for the transmission, makes heat utilization rate uprise, thereby required energy when reducing the heating.

Preferably, a discharging frame is arranged in the heating cavity, the heating cavity is divided into a melting cavity and a solid cavity by the discharging frame, and the discharging frame is provided with a liquid leakage hole.

Through adopting above-mentioned technical scheme, the blowing frame separates solid-state chamber and melting chamber into with the heating chamber for solid-state thing during the feeding can not directly drop into the melting intracavity, thereby causes the zinc alloy in the melting intracavity to splash, perhaps directly smashes and injures equipment, causes the damage of equipment.

Preferably, the discharge hole is communicated with a storage tank.

Through adopting above-mentioned technical scheme, discharge gate intercommunication storage tank for the fused zinc alloy is better transports during the ejection of compact.

Preferably, an air pressure gauge for monitoring air pressure in the first vacuum cavity and the second vacuum cavity is arranged on the second partition layer.

By adopting the technical scheme, the barometer can check the internal air pressure at any time, so that the condition of the internal air pressure environment is confirmed.

Preferably, a sensor for monitoring the temperature in the heating cavity is arranged on the second partition layer.

By adopting the technical scheme, the FT-H10 temperature sensor detects the internal temperature, so that the zinc alloy is always at the most appropriate temperature.

Preferably, the bottom end of the heating cavity is provided with a sealed vacuum cavity.

Through adopting above-mentioned technical scheme, the bottom sets up sealed vacuum cavity for the heat can not spread away from the bottom, thereby better plays heat retaining effect.

Compared with the prior art, the beneficial effects of the utility model are that: through separating into the several cavity with the heating furnace, taking out the gas in the cavity for when heating the heating chamber, the heat can not pass through air diffusion, makes thermal utilization ratio improve, thereby reaches heat preservation energy-conserving effect, and through carrying out the substep with the feeding step, the temperature can not spread out yet when making midway reinforced.

Drawings

FIG. 1 is a schematic structural view of a vacuum heating furnace according to the present invention;

fig. 2 is a schematic view of another direction structure of the vacuum heating furnace of the present invention.

Reference numerals: 1. a furnace body; 2. a heating layer; 21. a third feed gate; 22. a third discharge door; 23. a third air extraction hole; 3. a first partition layer; 31. a second feed gate; 32. a second discharge door; 33. a second air extraction hole; 4. a second partition layer; 41. a first feed gate; 42. a first discharge door; 43. a first air extraction hole; 5. a feed inlet; 6. a discharge port; 7. a material placing frame; 8. the vacuum chamber is sealed.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. 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.

As shown in figure 1 and figure 2, a vacuum heating furnace comprises a barrel-shaped furnace body 1, the furnace body 1 comprises a heating layer 2, a first partition layer 3 and a second partition layer 4, the heating layer 2 is formed around a heating chamber, a first vacuum cavity is formed between the first partition layer 3 and the heating layer 2, a second vacuum cavity is formed between the first partition layer 3 and the second partition layer 4, a feeding port 5 and a discharging port 6 are formed on the heating layer 2, the second partition layer 4 is communicated with the outside, sealing doors for sealing and separating each cavity are arranged at the feeding port 5 and the discharging port 6 of the first partition layer 3, the second partition layer 4 and the heating layer 2, vacuum generators are communicated with the first vacuum cavity, a heating device for heating the heating chamber is arranged in the first vacuum cavity, a sealing vacuum cavity 8 is arranged at the bottom end of the heating chamber, each sealing door comprises a first feeding door 41, Second feed gate 31, third feed gate 21, first discharge gate 42, second discharge gate 32 and third discharge gate 22, first feed gate 41 is located the 4 feed inlets 5 departments of second partition layer, second feed gate 31 is located the 3 feed inlets 5 departments of first partition layer, third feed gate 21 is located 2 feed inlets 5 departments of zone of heating, first discharge gate 42 is located the 4 discharge gates 6 departments of second partition layer, second discharge gate 32 is located the 3 discharge gates 6 departments of first partition layer, third discharge gate 22 is located 2 discharge gates 6 departments of zone of heating.

When the vacuum heating chamber is used, the gas in the cavity is pumped out through the vacuum generator, so that the gas in the heating chamber, the second vacuum chamber and the first vacuum chamber is reduced, and the vacuum state is achieved, the zinc alloy is heated and melted through the electromagnetic heating device, and the heat is confined on the zinc alloy because the heat cannot be transmitted through the air, so that the energy is saved when the zinc alloy is heated and melted, when other materials need to be added in the midway, the first feeding door 41 is firstly opened to place the materials in the second vacuum chamber, then the first feeding door 41 is closed, then the vacuum generator is opened to pump out the air in the second vacuum chamber, after the air is pumped out, the second feeding door 31 and the third feeding door 21 are opened according to the air pressure condition in the heating chamber if the heating chamber is in the vacuum state, so that the materials slide into the heating chamber, then the second feeding door 31 and the third feeding door 21 are closed, if heating intracavity gas pressure is in non-vacuum state then only opens second feed door 31 for the material gets into first vacuum cavity, closing second feed door 31, then open third feed door 21, make first vacuum cavity and heating chamber intercommunication, make the material slide in the heating chamber, then close third feed door 21, take out the gas in the first vacuum cavity simultaneously, thereby accomplish and feed in raw material simultaneously in the heating, and keep the difficult transmission of high temperature out, thereby increase thermal insulation performance, let better mixing of zinc alloy, thereby the performance is improved.

Be provided with the first aspirating hole 43 of the first vacuum cavity of intercommunication on the second cuts off layer 4, the third aspirating hole 23 in intercommunication second vacuum cavity second aspirating hole 33 and intercommunication heating chamber, first aspirating hole 43, second aspirating hole 33 and third aspirating hole 23 communicate respectively has the air pump, the intracavity is equipped with blowing frame 7, blowing frame 7 separates into melting chamber and solid-state chamber with the heating chamber, the weeping hole has been seted up on blowing frame 7, discharge gate 6 intercommunication has the storage tank, be provided with the barometer that is used for monitoring first vacuum cavity and second vacuum cavity internal pressure on the second cuts off layer 4, be provided with the sensor that is used for monitoring the heating intracavity temperature on the second cuts off layer 4, the heating chamber bottom is provided with sealed vacuum cavity 8. Carry out vacuum operation with first vacuum cavity, second vacuum cavity and heating chamber through the air pump for first vacuum cavity, second vacuum cavity and heating chamber keep vacuum state when needs, and blowing frame 7 can make in solid-state material can not directly drop into fused zinc alloy, prevents to smash when preventing to splash and injures heating layer 2. The molten zinc alloy is stored through the storage tank, so that the material is more convenient to transport. And the real-time state of the zinc alloy can be measured more accurately through the temperature sensor and the barometer.

In conclusion, the heating cavity is separated from the outside through different cavities, so that the temperature in the heating cavity is not easy to be transferred outside, the heat preservation performance is improved, the heat preservation state can not be changed during feeding, and the zinc alloy is better mixed and melted while the energy is saved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a vacuum heating furnace, includes tubbiness furnace body (1), its characterized in that, furnace body (1) is including zone of heating (2), first partition layer (3) and second partition layer (4), zone of heating (2) encircle and are formed with the heating chamber, be formed with first vacuum cavity between first partition layer (3) and zone of heating (2), first partition layer (3) and second partition layer (4) are formed with the second vacuum cavity between, feed inlet (5) and discharge gate (6) have been seted up on furnace body (1), second partition layer (4) and external intercommunication, first partition layer (3), second partition layer (4) and zone of heating (2) all are provided with in feed inlet (5) and discharge gate (6) and are used for all sealing the sealing door that cuts off each cavity, first vacuum cavity and second vacuum cavity all communicate there is vacuum generator, and a heating device for heating the heating cavity is arranged in the first vacuum cavity.

2. A vacuum heating furnace according to claim 1, wherein: the sealing door includes first feed door (41), second feed door (31), third feed door (21), first discharge door (42), second discharge door (32) and third discharge door (22), first feed door (41) are located second partition layer (4) feed inlet (5) department, second feed door (31) are located first partition layer (3) feed inlet (5) department, third feed door (21) are located zone of heating (2) feed inlet (5) department, first discharge door (42) are located second partition layer (4) discharge gate (6) department, second discharge door (32) are located first partition layer (3) discharge gate (6) department, third discharge door (22) are located zone of heating (2) discharge gate (6) department.

3. A vacuum heating furnace according to claim 1, wherein: the second partition layer (4) is provided with a first air exhaust hole (43) communicated with the first vacuum cavity, a second air exhaust hole (33) communicated with the second vacuum cavity and a third air exhaust hole (23) communicated with the heating cavity, and the first air exhaust hole (43), the second air exhaust hole (33) and the third air exhaust hole (23) are respectively communicated with an air pump.

4. A vacuum heating furnace according to claim 1, wherein: the heating cavity is internally provided with a discharging frame (7), the heating cavity is divided into a melting cavity and a solid cavity by the discharging frame (7), and the discharging frame (7) is provided with a liquid leakage hole.

5. A vacuum heating furnace according to claim 1, wherein: the discharge port (6) is communicated with a storage tank.

6. A vacuum heating furnace according to claim 1, wherein: and an air pressure meter for monitoring the air pressure in the first vacuum cavity and the second vacuum cavity is arranged on the second isolating layer (4).

7. A vacuum heating furnace according to claim 1, wherein: and a sensor for monitoring the temperature in the heating cavity is arranged on the second partition layer (4).

8. A vacuum heating furnace according to claim 1, wherein: the bottom end of the heating cavity is provided with a sealing vacuum cavity (8).