CN217383763U

CN217383763U - High-precision experimental furnace

Info

Publication number: CN217383763U
Application number: CN202220180635.4U
Authority: CN
Inventors: 毛志强; 陈景阁; 刘和平; 王通顺
Original assignee: Suzhou Longray Thermal Technology Co Ltd
Current assignee: Suzhou Longray Thermal Technology Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-09-06
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a high accuracy experimental furnace, include: the furnace body is internally provided with a hearth; the guide box is arranged in the hearth, a containing cavity is arranged in the guide box, and a guide channel is formed between the inner wall of the hearth and the guide box; the circulating fan is arranged on the furnace body and comprises a first air inlet and a first air outlet, and the first air outlet is communicated with the flow guide channel; the heating device is positioned in the flow guide channel; the flow guide box comprises a first end adjacent to the circulating fan and a second end opposite to the first end, the accommodating cavity comprises a second air outlet located at the first end and a nozzle located at the second end, the second air outlet is communicated with the first air inlet, and the nozzle is communicated with the flow guide channel. The utility model discloses can realize the even heating of product to improve the experiment precision.

Description

High-precision experimental furnace

Technical Field

The utility model relates to a heating furnace, in particular to high accuracy experiment stove.

Background

In the process of research and development of metal products such as aluminum products, manufacturers need to perform heating experiments on the metal products to know the performance of the metal products so as to facilitate subsequent improvement, so that the requirement on the heating uniformity index of a heating furnace is very high, and the furnace gas is required to be within the deviation of +/-2 ℃. However, due to the influence of the heating structure, the existing experimental furnace has temperature dead zones, so that the temperature control precision is poor, the uniformity of furnace gas cannot reach the required index, the experimental accuracy is reduced due to uneven heating of products, and the research and development of the products are not facilitated.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy experimental furnace to improve the homogeneity index of burner gas.

The utility model aims at realizing through the following technical scheme: a high accuracy laboratory furnace comprising: the furnace body is internally provided with a hearth; the guide box is arranged in the hearth, a containing cavity is arranged in the guide box, and a guide channel is formed between the inner wall of the hearth and the guide box; the circulating fan is arranged on the furnace body and comprises a first air inlet and a first air outlet, and the first air outlet is communicated with the flow guide channel; the heating device is positioned in the flow guide channel; the flow guide box comprises a first end adjacent to the circulating fan and a second end opposite to the first end, the accommodating cavity comprises a second air outlet located at the first end and a nozzle located at the second end, the second air outlet is communicated with the first air inlet, and the nozzle is communicated with the flow guide channel.

Further, the flow guide box is in including setting up the mouth is put in getting of second end, spout quantity has a plurality ofly, and respectively along get all sides evenly distributed of putting the mouth.

Further, the water conservancy diversion case is including the orientation circulating fan's first connecting plate and enclose to close the polylith second connecting plate of first connecting plate week side, the second connecting plate with the one end that first connecting plate meets does first end, the second air outlet sets up on the first connecting plate, the spout sets up respectively in the polylith on the second connecting plate.

Further, heating device is including fixing heating rod on the furnace body, heating rod quantity has many, and encloses and establish the periphery of flow guide box.

Further, two ends of the heating rod respectively extend to the first air outlet and the nozzle.

Further, the outer wall of the flow guide box is not in contact with the inner wall of the hearth.

Furthermore, at least one supporting piece is arranged in the hearth, and the bottom part of the flow guide box is supported on the supporting piece.

Furthermore, a nanometer heat insulation layer and a light heat insulation layer are arranged in the furnace body from outside to inside.

Furthermore, the furnace body is connected with a furnace door for sealing the taking and placing opening.

Furthermore, a plurality of detachable material carrying plates are arranged in the accommodating cavity at intervals in the vertical direction.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up the flow guide box that has the holding chamber in furnace, the product that waits to heat can be arranged in the holding chamber, form the water conservancy diversion passageway between flow guide box and the furnace, be provided with heating device in the water conservancy diversion passageway, circulating fan's first air outlet is linked together with the water conservancy diversion passageway, the air current that blows off from circulating fan can heat the outside of flow guide box after heating device heats earlier, then spout into the flow guide box from the spout to heat to its inside, thereby improve the homogeneity that the holding chamber heats; in addition, the second air outlet of the accommodating cavity is arranged at the first end adjacent to the circulating fan, so that the connecting structure between the circulating fan and the second air outlet is reduced, the circulating fan and the second air outlet are mounted more compactly, and the mounting space is saved; the spout sets up in the second end that the baffle box is relative with first end, and when the air current that blows off from the spout flowed into first air intake through the second air outlet and realizes the circulation, the holding intracavity does not have the temperature blind spot, further improves the homogeneity of heating.

Drawings

FIG. 1 is a schematic view of the high-precision experimental furnace.

FIG. 2 is a side view of the high-precision experimental furnace.

FIG. 3 is a sectional view of the high-precision experimental furnace in the overlooking direction.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 to 3, a high precision experimental furnace according to a preferred embodiment of the present invention includes: a furnace body 100 having a furnace chamber 11 therein; the guide box 200 is arranged in the hearth 11, the containing cavity 21 is arranged in the guide box 200, and a guide channel 300 is formed between the inner wall of the hearth 11 and the guide box 200; the circulating fan 400 is installed on the furnace body 100 and comprises a first air inlet 41 and a first air outlet 42, and the first air outlet 42 is communicated with the flow guide channel 300; and a heating device 500 positioned in the guide passage 300; the diversion box 200 includes a first end 201 adjacent to the circulation fan 400 and a second end 202 opposite to the first end 201, the accommodating cavity 21 includes a second air outlet 211 located at the first end 201 and a nozzle 212 located at the second end 202, the second air outlet 211 is communicated with the first air inlet 41, and the nozzle 212 is communicated with the diversion channel 300.

The utility model discloses a set up the guide box 200 that has holding chamber 21 in furnace 11, the product that waits to heat can be arranged in holding chamber 21, form water conservancy diversion passageway 300 between guide box 200 and furnace 11, be provided with heating device 500 in the water conservancy diversion passageway 300, circulating fan 400's first air outlet 42 is linked together with water conservancy diversion passageway 300, the air current that blows off from circulating fan 400 can heat the outside of guide box 200 earlier after heating device 500 heats, then spout 212 spouts into guide box 200, and heats its inside, thereby improve the homogeneity that holding chamber 21 heated; in addition, the second air outlet 211 of the accommodating cavity 21 is arranged at the first end 201 adjacent to the circulating fan 400, so that the connecting structure between the circulating fan and the second air outlet 211 is reduced, the circulating fan and the second air outlet are mounted more compactly, and the mounting space is saved; the nozzle 212 is disposed at the second end 202 of the baffle box 200 opposite to the first end 201, and when the airflow blown out from the nozzle 212 flows into the first air inlet 41 through the second air outlet 211 to realize circulation, no temperature dead zone exists in the accommodating cavity 21, thereby further improving the uniformity of heating.

Preferably, be provided with polylith detachable year flitch 22 along vertical direction interval in the holding chamber 21 to become a plurality of holding regions with holding chamber 21 partition, in order to improve the holding quantity of product. In an embodiment, the inner wall of the accommodating cavity 21 is provided with two supporting block groups, each supporting block group comprises two opposite supporting blocks 23, and two sides of the material loading plate 22 are respectively lapped on the two supporting blocks 23. The support block group quantity has a plurality ofly, and sets up along vertical direction to adjust the regional size of holding as required in a flexible way, satisfy the heating demand of not equidimension product.

Further, the diversion box 200 includes a pick-and-place opening 213 disposed at the second end 202, the pick-and-place opening 213 corresponds to the bore of the hearth 11, and the product can be sequentially put into the accommodating cavity 21 through the bore and the pick-and-place opening 213. The nozzles 212 are distributed uniformly along the circumference of the pick-and-place port 213, so that air can be uniformly supplied to the circumference of the flow guide box 200, thereby improving the uniformity while improving the air supply efficiency.

Specifically, the baffle box 200 includes a first connecting plate 24 and a plurality of second connecting plates 25. The first connection plate 24 faces the circulation fan 400. The second connecting plates 25 are vertically connected with the first connecting plates 24, the plurality of second connecting plates 25 are enclosed on the peripheral sides of the first connecting plates 24, and the first connecting plates 24 and the second connecting plates 25 are matched to form the accommodating cavities 21. The side of the second connecting plate 25 connected to the first connecting plate 24 is a first end 201, and a second air outlet 211 is formed on the first connecting plate 24. The opposite side of the second link plate 25 not connected to the first link plate 24 is the second end 202, and a plurality of the opposite sides form the pick-and-place ports 213 therebetween. Each second connecting plate 25 is provided with a spout 212. Preferably, each second connecting plate 25 is provided with a plurality of nozzles 212 in an array, and the nozzles 212 extend to the joint of two adjacent second connecting plates 25. Preferably, to avoid this from happening, at least one reinforcing rib 26 is provided in the array of jets 212, since the strength of the second web 25 is lower at this location after the array of a plurality of jets 212.

Further, the outer wall of the guide box 200 is not in contact with the inner wall of the hearth 11, thereby ensuring that the outer side of the guide box 200 can be uniformly and sufficiently heated. At least one supporting member 12 is provided in the firebox 11, and a second connecting plate 25 at the bottom of the baffle box 200 is partially supported on the supporting member 12. The support member 12 may be made of a heat insulating material.

Further, the heating device 500 includes a plurality of heating rods 51 fixed on the furnace body 100, and the heating rods 51 are arranged around the guide box 200, so that when the circulating fan 400 blows the air flow into the guide channel 300, the air flow can be heated efficiently, and the uniformity of heating outside the guide box 200 is improved. Preferably, the first air outlet 42 is formed around the outer circumference of the first air inlet 41 to uniformly discharge air to the airflow channel 300 and blow the air flow toward each of the heating rods 51.

Preferably, two ends of the heating rod 51 extend to the first air outlet 42 and the nozzle 212 respectively, so as to drive the air flow flowing out of the circulating fan 400 to be continuously heated from the first air outlet 42 to the nozzle 212 along the flow guide channel 300, thereby ensuring the uniformity of the air flow entering the accommodating cavity 21.

Further, the experimental furnace comprises a bracket 600, and the furnace body 100 is carried on the bracket 600. The furnace body 100 is connected with a furnace door 700 for closing the taking and placing port 213 and the hearth opening. The furnace body 100 is provided with a nanometer thermal insulation layer 13 and a light thermal insulation layer 14 from outside to inside, thereby effectively isolating the furnace body 100 from the outside and avoiding heat loss.

The utility model discloses the working process as follows: putting the product to be subjected to the thermal experiment into the accommodating cavity 21 from the taking and placing opening 213, and closing the furnace door 700; the heating device 500 and the circulating fan 400 are started, the airflow flows into the diversion channel 300 from the first air outlet 42 of the circulating fan 400 and is heated by the heating device 500, the airflow can heat the periphery of the diversion box 200 and is sprayed into the accommodating cavity 21 from the nozzle 212 of the diversion box 200 to uniformly heat the accommodating cavity 21, and the airflow in the accommodating cavity 21 flows back to the circulating fan 400 through the second air outlet 211 and the first air inlet 41 to realize the circulating heating of the accommodating cavity 21.

The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.

Claims

1. A high accuracy laboratory furnace, its characterized in that includes:

a furnace body (100) having a furnace chamber (11) therein;

the flow guide box (200) is arranged in the hearth (11), an accommodating cavity (21) is formed in the flow guide box (200), and a flow guide channel (300) is formed between the inner wall of the hearth (11) and the flow guide box (200);

the circulating fan (400) is arranged on the furnace body (100) and comprises a first air inlet (41) and a first air outlet (42), and the first air outlet (42) is communicated with the flow guide channel (300); and

a heating device (500) located within the flow guide channel (300);

the flow guide box (200) comprises a first end (201) adjacent to the circulating fan (400) and a second end (202) opposite to the first end (201), the accommodating cavity (21) comprises a second air outlet (211) located at the first end (201) and a nozzle (212) located at the second end (202), the second air outlet (211) is communicated with the first air inlet (41), and the nozzle (212) is communicated with the flow guide channel (300).

2. The high-precision experimental furnace as claimed in claim 1, wherein the diversion box (200) comprises a plurality of access openings (213) arranged at the second end (202), and the plurality of nozzles (212) are uniformly distributed along the peripheral side of the access openings (213).

3. The high-precision experimental furnace according to claim 2, wherein the guide box (200) comprises a first connecting plate (24) facing the circulating fan (400), and a plurality of second connecting plates (25) surrounding the first connecting plate (24), one end of the second connecting plate (25) connected with the first connecting plate (24) is the first end (201), the second air outlet (211) is arranged on the first connecting plate (24), and the nozzles (212) are respectively arranged on the plurality of second connecting plates (25).

4. The high-precision experimental furnace as claimed in claim 1, wherein the heating device (500) comprises a plurality of heating rods (51) fixed on the furnace body (100), and the plurality of heating rods (51) are arranged around the periphery of the flow guide box (200).

5. A high precision laboratory furnace according to claim 4, characterized in that both ends of said heating rod (51) extend to said first air outlet (42) and said spout (212), respectively.

6. The high-precision experimental furnace as claimed in claim 1, wherein the outer wall of the flow guide box (200) is not in contact with the inner wall of the hearth (11).

7. A high accuracy laboratory furnace according to claim 6, characterized in that at least one support member (12) is provided in said furnace chamber (11), and a bottom portion of said baffle box (200) is supported on said support member (12).

8. The high-precision experimental furnace as claimed in claim 1, wherein the furnace body (100) is provided with a nanometer heat insulation layer (13) and a light heat insulation layer (14) from outside to inside.

9. The high-precision experimental furnace as claimed in claim 2, wherein a furnace door (700) for closing the taking and placing opening (213) is connected to the furnace body (100).

10. A high-precision experimental furnace as claimed in claim 1, wherein a plurality of detachable material carrying plates (22) are arranged in the accommodating cavity (21) at intervals along the vertical direction.