CN213454874U

CN213454874U - Energy-saving box type resistance furnace

Info

Publication number: CN213454874U
Application number: CN202022577920.3U
Authority: CN
Inventors: 王桃; �田�浩; 张凡
Original assignee: Hebei Dongmiao Detection Technology Co ltd
Current assignee: Hebei Dongmiao Detection Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-15
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses an energy-saving box resistance furnace, including the shell, the inside bottom mounting of shell has the support column, and open the inside of support column has the locating hole, and the top of support column is fixed with the backup pad, and open the top of backup pad has the constant head tank, and the inside of constant head tank has inserted the heat preservation cover, and the top of heat preservation cover is fixed with first drag hook. The heating material is covered by the heat-insulating cover, so that the high-temperature diffusion range is reduced, and the heat-insulating capacity is improved. The material is put on placing the dish, carries out abundant heating through heater strip and heater bar, and heating efficiency is high moreover. The first heat-insulating layer and the second heat-insulating layer are adhered to the inside and the outside of the shell to fully insulate the box-type resistance furnace.

Description

Energy-saving box type resistance furnace

Technical Field

The utility model belongs to the technical field of resistance furnace, specifically be an energy-saving box resistance furnace.

Background

The resistance furnace is a heat treatment device which is frequently used in the heat treatment industry, and mainly utilizes current to enable a heating element in the resistance furnace to emit heat, so that a workpiece or a material in a furnace body is heated; it is a heating furnace that generates heat energy by passing current through resistive materials. Resistance furnaces are used in the mechanical industry for pre-metal forging heating, metal heat treatment heating, brazing, powder metallurgy sintering, glass ceramic firing and annealing, low melting metal melting, drying of sand molds and paint film layers, and the like.

The Chinese invention with the authorization notice number CN107677129A specially facilitates 2018, 2, 9 and discloses an energy-saving box type resistance furnace, which comprises a furnace body, a furnace door, a sample frame and a control system, wherein the upper end of the furnace door is hinged with the furnace body, an L-shaped fixed rod is arranged at the top of the furnace body, and the L-shaped fixed rod is connected with the furnace door through a first electric telescopic rod; the furnace body comprises an outer shell and an inner shell, wherein a first heat-insulating layer, a second heat-insulating layer and a third heat-insulating layer are sequentially arranged on the inner wall of the inner shell, a plurality of heating pipes are arranged on the third heat-insulating layer, and a vertical heat-insulating plate is fixed on the top wall of the inner shell; the bottom of the sample rack is connected with the bottom wall of the inner shell in a sliding way through a sliding rail, one side, close to the furnace door, of the sample rack is provided with an iron block, and a second electric telescopic rod which is opposite to the furnace door and is provided with an electromagnet at the top is arranged outside the furnace body; the control system comprises a processor, and an air pump, a temperature sensor, a processor and a reminding unit which are electrically connected with the processor. The energy-saving box type resistance furnace is simple in structure, reasonable in design, high in automation degree, simple to operate, high in safety, energy-saving and environment-friendly.

In the process of using the existing energy-saving box type resistance furnace, the heat preservation capability of the shell of the existing energy-saving box type resistance furnace is poor, so that the resistance furnace consumes energy excessively and is relatively waste; the material placing space is small, the material heating efficiency is low, and the material is heated unevenly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving box resistance furnace to solve the in-process that uses at resistance furnace, the heat-preserving capability of its shell is poor, can make the problem of resistance furnace excessive consumption energy.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy-saving box resistance furnace, includes the shell, the inside bottom mounting of shell has the support column, open the inside of support column has the locating hole, the top of support column is fixed with the backup pad, open the top of backup pad has the constant head tank, the inside of constant head tank has inserted the cover that keeps warm, the top of cover that keeps warm is fixed with first drag hook.

Preferably, the heating rod is inserted into the positioning hole, the second draw hook is fixed to the top end of the heating rod, a placing disc is fixed to the surface of the heating rod, and heating wires are arranged at the bottom end of the placing disc.

Preferably, a first heat preservation layer is pasted in the shell, a second heat preservation layer is pasted in the shell, supporting legs are fixed at the bottom end of the shell, an inlet and an outlet are formed in the top end of the shell, and a sealing cover covers the inlet and the outlet.

Preferably, the supporting column is perpendicular to the bottom end of the housing, the supporting plate is of a circular structure, and the supporting plate is parallel to the bottom end of the housing.

Preferably, the top of heat preservation cover is no longer than the top of shell, the constant head tank is the ring groove, the heat preservation cover is the cylinder type structure.

Preferably, the heating rod is vertical to the placing disc, and the heating rod is vertical to the supporting plate; the placing disc is parallel to the supporting plate, and the diameter of the placing disc is not larger than that of the supporting plate; the placing disc is of a circular structure, and the heating wires are of a spiral structure.

Preferably, the sealing cover is connected with the shell in a sealing mode, and the diameter of the inlet and the diameter of the outlet are not smaller than that of the heat preservation cover.

Compared with the prior art, the utility model discloses an energy-saving box resistance furnace of example:

1. the heat-insulating cover and the supporting plate are arranged, so that when the heat-insulating cover is used, the heated material is covered by the heat-insulating cover, the high-temperature diffusion range is reduced, and the heat-insulating capacity is improved.

2. Be provided with heater strip, heater bar and place the dish, during the use, the material is put on placing the dish, carries out abundant heating through heater strip and heater bar, and heating efficiency is high moreover.

3. Be provided with first heat preservation and second heat preservation, during the use, first heat preservation and second heat preservation paste inside and outside the shell, fully keep warm to box resistance furnace.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view taken along the direction a-a of fig. 1 according to the present invention;

fig. 3 is a schematic structural diagram of a portion of the heating wire of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a second insulating layer; 3. a first insulating layer; 4. supporting legs; 5. a support plate; 6. a support pillar; 7. positioning holes; 8. a heating rod; 9. positioning a groove; 10. a heat-preserving cover; 11. heating wires; 12. placing a tray; 13. a second draw hook; 14. a first draw hook; 15. an inlet and an outlet; 16. and (7) sealing the cover.

Detailed Description

Referring to fig. 1 and 2, an energy-saving box-type resistance furnace includes a housing 1, wherein the housing 1 has a cylindrical structure; a support column 6 is fixed at the bottom end inside the shell 1, and the support column 6 is vertical to the bottom end of the shell 1; the top of support column 6 is fixed with backup pad 5, and backup pad 5 is circular structure, and backup pad 5 is parallel with the bottom of shell 1.

Referring to fig. 1 and 2, a positioning groove 9 is formed at the top end of the supporting plate 5, and the positioning groove 9 is an annular groove; a heat preservation cover 10 is inserted into the positioning groove 9, the heat preservation cover 10 is of a cylindrical structure, and the top end of the heat preservation cover 10 does not exceed the top end of the shell 1 and is used for reducing high-temperature diffusion; the top of the heat preservation cover 10 is fixed with a first draw hook 14, which is convenient for taking and placing the heat preservation cover 10.

Referring to fig. 1 and 2, a positioning hole 7 is formed in the supporting column 6, a heating rod 8 is inserted into the positioning hole 7, the heating rod 8 is perpendicular to the placing disc 12, and the heating rod 8 is perpendicular to the supporting plate 5; the top of heater rod 8 is fixed with second drag hook 13, conveniently gets to put heater rod 8.

Referring to fig. 1, 2 and 3, a placing disc 12 is fixed on the surface of the heating rod 8, the placing disc 12 is in a circular structure, the placing disc 12 is parallel to the supporting plate 5, and the diameter of the placing disc 12 is not larger than that of the supporting plate 5; the bottom end of the placing disc 12 is provided with a heating wire 11, the heating wire 11 is of a spiral structure and is distributed at the bottom end of the placing disc 12, so that the material is heated uniformly.

Referring to fig. 1 and 2, a first insulating layer 3 is adhered inside the housing 1, a second insulating layer 2 is adhered outside the housing 1, and the first insulating layer 3 and the second insulating layer 2 are adhered inside and outside the housing 1 to sufficiently insulate the box-type resistance furnace.

Referring to fig. 1, the bottom end of the housing 1 is fixed with a support leg 4, the top end of the housing 1 is provided with an inlet and outlet 15, and the diameter of the inlet and outlet 15 is not less than that of the heat-insulating cover 10, so that the material can be conveniently taken and placed; the inlet and outlet 15 is covered with a sealing cover 16, and the sealing cover 16 is hermetically connected with the housing 1.

The working principle of the scheme is as follows: the first heat-insulating layer 3 and the second heat-insulating layer 2 are adhered to the inside and the outside of the shell 1 to fully insulate the box-type resistance furnace, and the sealing cover 16 is inserted into the inlet and the outlet 15 and is in sealing connection with the shell 1.

The supporting plate 5 is arranged inside the shell 1 through a supporting column 6, and the heating rod 8 is inserted into the positioning hole 7; a placing disc 12 is fixed on the surface of the heating rod 8, and a heating wire 11 is arranged at the bottom end of the placing disc 12; the material is put on placing the dish 12, carries out abundant heating through heater strip 11 and heater bar 8, and the heating is even moreover, can once heat a plurality of materials, and is efficient.

The heat preservation cover 10 is arranged at the top end of the supporting plate 5, covers the placing plate 12 and materials at the top end of the placing plate, reduces high-temperature diffusion, preserves heat and reduces energy consumption.

Claims

1. The utility model provides an energy-saving box resistance furnace, includes shell (1), its characterized in that: the inside bottom mounting of shell (1) has support column (6), open the inside of support column (6) has locating hole (7), the top of support column (6) is fixed with backup pad (5), open the top of backup pad (5) has constant head tank (9), the inside of constant head tank (9) is inserted and is had heat preservation cover (10), the top of heat preservation cover (10) is fixed with first drag hook (14).

2. The energy-saving box type resistance furnace of claim 1, wherein: the inside of locating hole (7) is inserted and is had heating rod (8), the top of heating rod (8) is fixed with second drag hook (13), the fixed surface of heating rod (8) is placed dish (12), the bottom of placing dish (12) is provided with heater strip (11).

3. The energy-saving box type resistance furnace of claim 1, wherein: first heat preservation (3) have been pasted to the inside of shell (1), second heat preservation (2) have been pasted to the outside of shell (1), the bottom mounting of shell (1) has supporting leg (4), exit (15) are opened on the top of shell (1), the inside of exit (15) is covered with sealed lid (16).

4. The energy-saving box type resistance furnace of claim 1, wherein: the bottom of support column (6) and shell (1) is perpendicular, backup pad (5) are circular structure, the bottom of backup pad (5) and shell (1) is parallel.

5. The energy-saving box type resistance furnace of claim 1, wherein: the positioning groove (9) is a circular groove, and the heat-insulating cover (10) is of a cylindrical structure.

6. An energy saving box type resistance furnace as claimed in claim 2, wherein: the heating rod (8) is perpendicular to the placing disc (12), the placing disc (12) is of a circular structure, and the heating wires (11) are of a spiral structure.

7. An energy saving box type resistance furnace as claimed in claim 3, wherein: the sealing cover (16) is connected with the shell (1) in a sealing mode.