CN214582567U

CN214582567U - Kiln for firing building cup

Info

Publication number: CN214582567U
Application number: CN202120705835.2U
Authority: CN
Inventors: 余秋华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-02
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a kiln for firing a building cup, which comprises a kiln body, a kiln cover and a flame nozzle, wherein the kiln body and the inner cavity of the kiln cover are provided with heat preservation layers and also comprise a guide pipe; the inner cavity of the furnace body is a cylindrical inner cavity; the inner cavity of the furnace cover forms a spherical top; the guide pipe is vertically arranged in the furnace body, vertically points to the center of the spherical top, and a gap is formed between the top of the guide pipe and the spherical top; the flame spray nozzle is inserted into the bottom of the flow guide pipe. The utility model discloses in, the furnace body is cylindrically, and the inner chamber of bell forms the spherical top, and the vertical setting of honeycomb duct is in the furnace body, and there is the clearance between its vertical directional spherical top, its top and spherical top, and the bocca is inserted and is located the bottom of honeycomb duct, so, and the heat is leading-in by the honeycomb duct, directly spouts at spherical top center, through spherical top downward radiation spread to all around for build a cup thermally equivalent.

Description

Kiln for firing building cup

Technical Field

The utility model relates to a build the cup and fire the field, concretely relates to a kiln for firing build the cup.

Background

The modern gas kiln generally adopts coal gas or natural gas as fuel to raise the temperature in the kiln, and the principle is to adjust the concentration of carbon monoxide in the kiln by controlling an air inlet and a smoke exhaust hole, so as to create a reducing atmosphere suitable for building and shaping a cup.

Because the temperature is controllable, the tyre of the gas burning building cup does not need to be as thick and heavy as that of a firewood burning building cup, the constraint of a sagger can be removed, and certain lightness and exquisite effects are shown. But is lighter than firewood, and has no thickness and warmness. However, the gas burning building has unique market demand due to different aesthetic looks of people and the limitation of firewood burning by governments for the purpose of forest protection.

However, the existing gas-fired kiln still has some defects, which are mainly embodied as follows: the traditional gas-fired kiln mostly adopts flame spraying combustion from two sides, the heat is still unevenly distributed, and the cup building at the edge side is easy to cause a 'shadow and sun surface'.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a kiln that is used for firing built cup that interior temperature is even.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the kiln for firing the building cup comprises a kiln body, a kiln cover and a flame nozzle, wherein the inner cavities of the kiln body and the kiln cover are provided with heat insulation layers, and the kiln further comprises a flow guide pipe; the inner cavity of the furnace body is a cylindrical inner cavity; the inner cavity of the furnace cover forms a spherical top; the guide pipe is vertically arranged in the furnace body, vertically points to the center of the spherical top, and a gap is formed between the top of the guide pipe and the spherical top; the flame spray nozzle is inserted into the bottom of the flow guide pipe.

Preferably, the outer wall of the draft tube is coated with an insulating layer.

Preferably, the bottom of the inner cavity of the furnace body is a spherical bottom, a depressed area is formed in the center of the spherical bottom, and a discharge flue communicated with the chimney is formed on the inner wall of the depressed area.

Preferably, the furnace body also comprises a plurality of layered support rings and a plurality of layered plates which are alternately arranged in the furnace body along the height direction of the inner cavity of the furnace body; the height of the layering support ring is higher than that of the cup building blank body, and the layering plate is provided with air passing holes.

Preferably, the opening end of bell is equipped with hand screw rod, on the furnace body to the opening end department of bell is equipped with the boss, nested on the boss have the adaptation in the nut of the screw rod end of hand screw rod.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

1. in the utility model, the furnace body is cylindrical, the inner cavity of the furnace cover forms a spherical top, the honeycomb duct is vertically arranged in the furnace body, the honeycomb duct is vertically directed to the center of the spherical top, a gap exists between the top of the honeycomb duct and the spherical top, and the flame spray nozzle is inserted and arranged at the bottom of the honeycomb duct, so that heat is guided in by the honeycomb duct, and direct spray is conducted at the center of the spherical top and is distributed to the periphery through the downward radiation diffusion of the spherical top, so that the building cup is uniformly heated;

2. in the utility model, the outer wall of the flow guide pipe is coated with the heat preservation layer, so that a central heat source is avoided, and the temperature in the furnace body is further more balanced;

3. the utility model sets the bottom of the inner cavity of the furnace body as a spherical bottom, forms a depressed area at the center of the spherical bottom, and sets the exhaust flue on the inner wall of the depressed area, thus, the flue gas is collected to the depressed area and enters the chimney from the exhaust flue to be exhausted, and the flue gas is fully contacted with the building cup blanks of each layer in the process;

4. the utility model utilizes the layering of the layering support ring, and has simple and feasible structure;

5. the utility model discloses a reliable of bell and furnace body is sealed in hand screw rod and nut adaptation, compares in the complicated heavy tapered end structure of tradition, and its easy operation is reliable.

Drawings

Fig. 1 is a schematic view of the present invention.

Description of reference numerals:

the furnace comprises a furnace body 1, a heat insulation layer 11, a sunken area 12 and a boss 13; a furnace cover 2 and a heat preservation layer 21; a flow guide pipe 3 and a heat insulation layer 31; a flame nozzle 4; a chimney 5, a smoke exhaust 51; a layered branch ring 6; a laminate 7, a gas passing hole 71; hand screw 8, hand wheel 81, nut 82.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, the present invention discloses a kiln for firing a cup, which includes a furnace body 1, a furnace cover 2, a flow guide tube 3 and a burner 4.

The utility model discloses in, furnace body 1 is cylindrical, and its inner chamber is the cylinder inner chamber, is equipped with heat preservation 11 and heat preservation 21 on the inner chamber of furnace body 1 and the inner chamber of bell 2 respectively. The inner cavity of the furnace cover 2 forms a spherical roof. The draft tube 3 is vertically arranged in the furnace body 1, vertically points to the center of the spherical top, and a gap is formed between the top of the draft tube and the spherical top. The bocca 4 is inserted and is located the bottom of honeycomb duct 3, and bocca 4 adopts hybrid bocca in this embodiment, is about to air and liquefied gas access bocca 4, ignites the blowout after mixing in bocca 4. Thus, when the flame nozzle 4 is used for flaming, hot air flow generated by the flame nozzle rises along the draft tube 3 and gushes to the center of the inner cavity of the spherical top, and then is uniformly radiated and dispersed downwards to the inner cavity of the furnace body 1 under the dispersion action of the spherical top.

In order to prevent a local heat source from being formed in the center of the furnace body 1, the outer wall of the draft tube 3 is coated with the heat insulation layer 31, and the heat is prevented from being radiated from the outer wall of the draft tube 3.

In order to ensure that hot air flow is uniformly and fully contacted with the building cup blank in the furnace body 1, the bottom of the inner cavity of the furnace body 1 is a spherical bottom, a concave area 12 is formed at the center of the spherical bottom, and a discharge flue 51 communicated with a chimney 5 is formed on the inner wall of the concave area 12. In this way, the hot gas finally flows to the depressed area 12 through the spherical bottom, enters the chimney 5 through the discharge flue 51 of the depressed area 12, and is discharged.

The utility model discloses in, there are a plurality of layering braced rings 6 and a plurality of layering board 7 of setting in furnace body 1 in turn along the inner chamber direction of height of furnace body 1. The height of each layered branch ring 6 is higher than that of the building cup blank body, and each layered plate 7 is provided with a gas passing hole 71.

The furnace cover 2 is connected with the furnace body 1 in a hinged mode. In order to facilitate the reliable connection and sealing of the furnace cover 2 and the furnace body 1, the opening end of the furnace cover 2 is provided with a hand-operated screw 8, the opening end of the furnace body 1 for the furnace cover 2 is provided with a boss 13, and the boss 13 is nested with a nut 82 which is adapted to the screw end of the hand-operated screw 8. After the furnace lid 2 is closed, the hand wheel 81 of the hand-operated screw 8 is swung to screw the screw end into the nut 82, thereby locking the furnace lid 2 to the furnace body 1.

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. A kiln for firing build cup, including furnace body, bell and bocca, the inner chamber of furnace body and bell is equipped with heat preservation, its characterized in that: the device also comprises a flow guide pipe; the inner cavity of the furnace body is a cylindrical inner cavity; the inner cavity of the furnace cover forms a spherical top; the guide pipe is vertically arranged in the furnace body, vertically points to the center of the spherical top, and a gap is formed between the top of the guide pipe and the spherical top; the flame spray nozzle is inserted into the bottom of the flow guide pipe.

2. The kiln for firing pot-building as defined in claim 1, wherein: the outer wall of the flow guide pipe is coated with a heat insulation layer.

3. The kiln for firing pot-building as defined in claim 1, wherein: the bottom of the inner cavity of the furnace body is a spherical bottom, a depressed area is formed in the center of the spherical bottom, and a discharge flue communicated with a chimney is formed on the inner wall of the depressed area.

4. The kiln for firing pot-building as defined in claim 1, wherein: the furnace body is characterized by also comprising a plurality of layered support rings and a plurality of layered plates which are alternately arranged in the furnace body along the height direction of the inner cavity of the furnace body; the height of the layering support ring is higher than that of the cup building blank body, and the layering plate is provided with air passing holes.

5. The kiln for firing pot-building as defined in claim 1, wherein: the opening end of bell is equipped with hand screw rod, on the furnace body to the opening end department of bell is equipped with the boss, nested on the boss have the adaptation in the nut of the screw rod end of hand screw rod.