WO2019028984A1

WO2019028984A1 - Furnace body of drawer type preheating furnace

Info

Publication number: WO2019028984A1
Application number: PCT/CN2017/104269
Authority: WO
Inventors: 胡全林; 荣冬松
Original assignee: 盐城市盛丰机械有限公司
Priority date: 2017-08-09
Filing date: 2017-09-29
Publication date: 2019-02-14
Also published as: KR20200039524A

Abstract

A furnace body of a drawer type preheating furnace, comprising a preheating furnace body (1), multiple preheating cavities (13) being provided in the preheating furnace body (1), air inlets being provided on the left and right side walls of the preheating cavities (13), which are connected at the air inlets, to hot air inlet pipes (3), and windscreen valve mechanisms (2) being further provided on the air inlets; the windscreen valve mechanism (2) comprises a windscreen valve body (25), the windscreen valve body (25) is of a cylindrical structure, an annular protrusion (26) being provided at one side thereof, an external thread structure being provided on the outer surface of the windscreen valve body (25), a first annular baffle (21) and a second annular baffle (22) being provided in the windscreen valve body (25), and a windscreen plate (24) being provided between the first annular baffle (21) and the second annular baffle (22).

Description

Furnace body of a drawer type preheating furnace

Technical field

The invention relates to the field of preheating furnaces, in particular to a furnace body of a drawer type preheating furnace.

Background technique

At present, most of the equipment used for preheating of components in the large and medium-sized chemical fiber industries are well-type preheating furnaces, box preheating furnaces, and small horizontal preheating furnaces. There are widespread temperature unevenness, high operating strength, and poor sealing performance. The drawbacks of high energy consumption and small application range are that the preheating requirement is high or the bulk use effect is poor. Therefore, a drawer type preheating furnace appears on the market, but the existing drawer type preheating furnace adopts electric heating. The wire is directly heated in each preheating chamber, and the heating temperature is not uniform, and the energy consumption is large.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a furnace body for a drawer type preheating furnace in order to overcome the above problems.

In order to achieve the above object, the method adopted by the present invention is: a furnace body of a drawer type preheating furnace, comprising a preheating furnace body, wherein a plurality of preheating chambers are arranged in the preheating furnace body, and each preheating is performed An air inlet is disposed on the left and right side walls of the cavity, and is connected to the heat inlet duct at the air inlet, and a windshield valve mechanism is further disposed on the air inlet; the windshield mechanism includes a block The damper body is a cylindrical structure, and has an annular protrusion on one side thereof, and an external thread structure is arranged on the outer surface of the damper body to block the wind. a first annular baffle and a second annular baffle are disposed inside the valve body, and a wind deflector is disposed between the first annular baffle and the second annular baffle, and an outer diameter of the wind deflector is larger than The inner diameter of an annular baffle through the spring and the second annular block The plates are connected and contacted with the first annular baffle under the action of the spring to close the windshield mechanism, and the wind deflector opens the spring under the action of an external force to realize the opening of the windshield mechanism; in each preheating chamber The rear side is also provided with a return air duct, and each of the return air ducts is provided with a solenoid valve.

As an improvement of the present invention, when the windshield mechanism is installed in the air inlet, the end surface near the side of the preheating chamber does not protrude into the preheating chamber.

As a modification of the present invention, a hexagonal annular projection is provided on a side of the first annular baffle adjacent to the preheating chamber.

As an improvement of the present invention, a windshield groove is further provided on the windshield.

As an improvement of the present invention, an outer casing is further disposed outside the preheating furnace body, and an insulating layer is further disposed between the outer casing and the preheating furnace body.

As an improvement of the present invention, the hot inlet duct is connected to the windshield mechanism.

As an improvement of the present invention, the hot air inlet duct is connected to the left and right side walls of the preheating chamber.

Beneficial effects:

1. The furnace body of a drawer type preheating furnace provided by the present invention can be heated in the form of hot air by opening an air inlet opening into the furnace body, which has high preheating efficiency and uniform preheating. .

2. The windshield valve mechanism is arranged on the side wall of the preheating cavity, and the windshield valve mechanism facilitates the control of the drawer placement box of the inner wall, and can open and close the windshield valve mechanism at any time according to actual needs, which is convenient and quick, and can Energy saving.

3. By providing a hexagonal annular protrusion on the side of the first annular baffle near the preheating chamber, the disassembly and installation of the windshield valve mechanism can be facilitated, and subsequent maintenance is facilitated.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is a cross-sectional view taken along the line A-A of the present invention;

3 is a schematic view showing the installation of a windshield valve mechanism according to Embodiment 1 of the present invention;

Fig. 4 is a schematic view showing the installation of the damper mechanism of the second embodiment of the present invention.

Detailed ways:

The present invention is further described in the following with reference to the accompanying drawings, and the accompanying drawings It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to the directions in the image, the words "inside" and "outside" "Respectively refers to the direction toward or away from the geometric center of a particular component.

Example 1:

1 to 3 show a furnace body of a drawer type preheating furnace, comprising a preheating furnace body 1, and a casing 11 is further disposed outside the preheating furnace body 1, in the casing 11 and An insulating layer 12 is also disposed between the preheating furnace bodies 1. A plurality of preheating chambers 13 are disposed in the preheating furnace body 1 , and air inlets are disposed on the left and right side walls of the respective preheating chambers 13 , and the heat inlet ducts 3 are connected to the air inlets A windshield mechanism 2 is further disposed on the air inlet; the windshield mechanism 2 includes a damper body 25, and the damper body 25 is a cylindrical structure, and the wind is blocked. An annular projection 26 is provided on a side of the valve body 25 adjacent to the preheating chamber 13, and the end of the side is open. The windshield body 25 is away from the pre- The end of one side of the heat chamber 13 is provided with a heat inlet duct connection hole 28, and the heat inlet duct 3 is connected to the heat inlet duct connection hole 28.

An outer threaded structure is disposed on the outer surface of the windshield body 25, and is connected to the air inlet through the external thread structure of the outer surface of the windshield body 25, and is restrained by the annular protrusion 26.

A first annular baffle 21 and a second annular baffle 22 are disposed inside the damper body 25, and a wind deflector 24 is disposed between the first annular baffle 21 and the second annular baffle 22, The outer diameter of the wind deflector 24 is larger than the inner diameter of the first annular baffle 21, and the wind deflector 24 is connected to the second annular baffle 22 by a spring, and is in contact with the first annular baffle 21 under the action of the spring. The windshield mechanism is closed, and the wind deflector 24 is opened by an external force to open the windshield mechanism 2. On the windshield 24, a windshield groove 23 is further disposed.

In order to prevent the drawer type box from interfering with the windshield mechanism 2 when it is placed in the preheating chamber 13, when the windshield mechanism 2 is mounted on the air inlet, the end surface of the side close to the preheating chamber 13 does not protrude to The preheating chamber 13 is inside. A return air duct 4 is further provided on the rear side of each of the preheating chambers 13, and a solenoid valve 5 is provided on each of the return air ducts 4.

In order to facilitate the disassembly and installation of the windshield mechanism, a hexagonal annular projection 27 is disposed on a side of the first annular baffle 21 adjacent to the preheating chamber.

Example 2:

The rest of the embodiment is the same as the first embodiment. Different from the first embodiment, as shown in FIG. 4, the hot air inlet duct 3 is connected to the left and right side walls of the preheating chamber 13, and the specific structure is as shown in FIG. 4, outside the air inlet on the left and right side walls of the preheating chamber 13 (away from the pre- A connection hole 29 is provided on one side of the heat chamber 13, and the heat inlet duct 3 is connected to the connection hole 29, and the windshield mechanism 2 is disposed inside the air inlet (on the side close to the preheating chamber 13).

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification or equivalent change made according to the technical essence of the present invention still falls within the scope of the claimed invention. .

Claims

A furnace body of a drawer type preheating furnace, comprising a preheating furnace body (1), characterized in that: a plurality of preheating chambers (13) are arranged in the preheating furnace body (1), The left and right side walls of the hot chamber (13) are provided with an air inlet, and the air inlet is connected to the hot air inlet pipe (3), and the air inlet is further provided with a windshield mechanism (2) The windshield mechanism (2) includes a damper body (25), the damper body (25) is a cylindrical structure, and an annular protrusion is provided on one side thereof (26) An externally threaded structure is disposed on an outer surface of the damper body (25), and a first annular baffle (21) and a second annular baffle (22) are disposed inside the damper body (25). a wind deflector (24) is disposed between the first annular baffle (21) and the second annular baffle (22), and the outer diameter of the wind deflector (24) is larger than the first annular baffle The inner diameter of (21), the wind deflector (24) is connected to the second annular baffle (22) by a spring, and is in contact with the first annular baffle (21) under the action of the spring, and the windshield valve mechanism is Close, the windshield (24) opens the spring under the action of external force to realize the block Valve means (2) is opened; at the rear side of each of the preheating chamber (13) are further provided with a return duct (4), provided with a solenoid valve (5) on each of the return duct (4).
The furnace body of a drawer type preheating furnace according to claim 1, characterized in that: when the windshield valve mechanism (2) is inserted into the air inlet, it is close to the side of the preheating chamber (13) The end faces do not protrude into the preheating chamber (13).
The furnace body of a drawer type preheating furnace according to claim 1, wherein a hexagonal annular protrusion (27) is disposed on a side of the first annular baffle (21) adjacent to the preheating chamber. .
A furnace body for a drawer type preheating furnace according to claim 1, wherein: A windshield groove (23) is further disposed on the wind deflector (24).
The furnace body of a drawer type preheating furnace according to claim 1, characterized in that a casing (11) is further disposed outside the preheating furnace body (1), and the casing (11) is An insulating layer (12) is further disposed between the preheating furnace body (1).
The furnace body of a drawer type preheating furnace according to claim 1, characterized in that the hot air inlet duct (3) is connected to the windshield valve mechanism (2).
The furnace body of a drawer type preheating furnace according to claim 1, characterized in that the hot air inlet duct (3) is connected to the left and right side walls of the preheating chamber (13).