CN215413210U

CN215413210U - Novel safe and explosion-proof alloy furnace feed opening baking device

Info

Publication number: CN215413210U
Application number: CN202122202222.XU
Authority: CN
Inventors: 堵成云; 堵成刚; 徐燕
Original assignee: Nanjing Xianyun Mechanical And Electrical Technology Co ltd
Current assignee: Nanjing Xianyun Mechanical And Electrical Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-04
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the technical field of metal smelting, and discloses a novel safe and explosion-proof roasting device for a feeding hole of an alloy furnace. The alloy furnace is additionally provided with the burner outside the existing heating chamber, so that ignition and combustion can be uniformly carried out in the heating chamber, the combustion points are uniformly distributed, the combustion drying temperature in the alloy furnace is uniform and high-efficiency, the use effect of the device is improved, and the temperature loss is reduced; meanwhile, the arrangement of the ionic fire detection processing circuit of the ignition device avoids potential safety hazards, the ignition device enables a heating chamber of the alloy furnace to have good safety explosion-proof effect, and smelting efficiency and safety are improved.

Description

Novel safe and explosion-proof alloy furnace feed opening baking device

Technical Field

The utility model relates to the technical field of metal smelting, in particular to a novel safe and explosion-proof roasting device for a feeding hole of an alloy furnace.

Background

In the research of the alloy furnace, in the process of baking the torpedo ladle, the ignition combustion operation needs to be carried out on the combustion chamber, so that the combustion chamber generates high temperature to play a baking role, but the ignition device of the existing preheating baking equipment has the following defects when in use:

1. the prior art adopts a manual ignition mode, does not have an automatic ignition fire detection device, and has complex and unsafe integral operation;

2. in the combustion chamber, combustion points are not uniformly distributed, so that the combustion drying temperature in the combustion chamber is not uniform, and the smelting efficiency of the alloy furnace is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel safe and explosion-proof alloy furnace feed opening baking device, and aims to increase the smelting efficiency of an alloy furnace, enhance the flame penetration force, distribute uniformly, reduce the temperature loss and reduce the maintenance difficulty and cost.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

the utility model provides a novel safe explosion-proof alloy stove feed opening toasts device, includes the alloy stove, the feed inlet is installed at the top of alloy stove, the heating chamber is installed to the below of alloy stove, the below of heating chamber is equipped with the discharge opening, the outer wall of heating chamber has alloy furnace holder through dead lever fixed mounting, the combustor is installed to the outer wall of heating chamber, and installs the confession in the heating chamber the ignition of combustor burning, the combustor passes through outside gas air feeder of pipe switch-on.

Preferably, in the novel safe and explosion-proof alloy furnace feed opening baking device, the inner wall of the bottom of the discharge opening is connected with a matched flat gate through a sliding groove, and the bottom of the discharge opening can be closed by the flat gate.

Preferably, in the novel safe and explosion-proof alloy furnace feed opening baking device, the discharge opening is positioned on the inner side of the alloy furnace support.

Preferably, in the novel safe and explosion-proof alloy furnace feed opening baking device, the discharge opening is in a reversed hopper shape, and the section of the discharge opening is in a trapezoidal shape.

Preferably, in the novel safe and explosion-proof alloy furnace feed opening baking device, the burner comprises a first combustion nozzle, a second combustion nozzle, a third combustion nozzle and a fourth combustion nozzle, and the first combustion nozzle, the second combustion nozzle, the third combustion nozzle and the fourth combustion nozzle are sequentially installed on the outer wall of the heating chamber in a spiral annular tangent shape from top to bottom.

Preferably, in the novel safe and explosion-proof alloy furnace feed opening baking device, the vertical height intervals of the first combustion nozzle, the second combustion nozzle, the third combustion nozzle and the fourth combustion nozzle in the vertical direction are consistent.

Preferably, in the novel safe and explosion-proof alloy furnace feed opening baking device, the alloy furnace support is made into I-shaped steel, and a ninety-degree angle steel is welded at the joint of the top support and the vertical supporting leg in the alloy furnace support.

Preferably, in the novel safe and explosion-proof alloy furnace feed opening baking device, a floor foot pad is welded at the bottom end of the supporting leg in the alloy furnace support.

Preferably, among the above-mentioned novel safe explosion-proof alloy stove feed opening baking equipment, ignition includes the ignition head to and be equipped with the ion fire that the cooperation ignition head stopped and stops and examine processing circuit and examine the circuit, the ion fire examines processing circuit and examines the state that opens and shuts of circuit control main gas trip valve.

The utility model has the beneficial effects that: the alloy furnace is additionally provided with the burner outside the existing heating chamber, the burner is arranged in a ring spiral line manner, ignition and combustion can be uniformly carried out in the heating chamber, the combustion points are uniformly distributed, the combustion drying temperature in the alloy furnace is uniform and high-efficiency, the use effect of the device is increased, and the temperature loss is reduced; meanwhile, the arrangement of the ionic fire detection processing circuit of the ignition device at the end part of the burner avoids potential safety hazards, the ignition device enables a heating chamber of the alloy furnace to have a good safe explosion-proof effect, smelting efficiency and safety are improved, and maintenance cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

Fig. 2 is a schematic diagram of an ion fire detection processing circuit of the ignition device of the present invention.

Fig. 3 is a schematic control flow diagram of an ion fire detection processing circuit of the ignition device according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an alloy furnace; 2. a discharge opening; 3. a heating chamber; 4. a burner; 41. a first combustion nozzle; 42. a second combustion nozzle; 43. a third combustion nozzle; 44. a fourth combustion nozzle; 5. a flat plate gate; 6. an alloy furnace support.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Please refer to fig. 1, the embodiment is a novel safe and explosion-proof alloy furnace feed opening baking device, which includes an alloy furnace 1, a feed opening is installed at the top of the alloy furnace 1, a heating chamber 3 is installed below the alloy furnace 1, a discharge opening 2 is installed below the heating chamber 3, an alloy furnace bracket 6 is fixedly installed on the outer wall of the heating chamber 3 through a fixing rod, a burner 4 is installed on the outer wall of the heating chamber 3, an ignition device for the burner 4 to burn is installed in the heating chamber 3, and the burner 4 is connected with an external gas supply device through a conduit.

The utility model adopts the mode of igniting by the burner 4, the ignition device for the burner 4 to burn is arranged in the heating chamber 3, the fire detection device can be automatically ignited, the heating chamber 3 can generate high temperature to carry out baking operation, and the whole operation is simple and convenient.

Specifically, the bottom inner wall of discharge opening 2 has the flat gate 5 that matches through seting up spout sliding connection, and the bottom of discharge opening 2 can be closed to flat gate 5, through flat gate 5's setting, can reduce the loss of temperature to be convenient for arrange the material and maintain.

Furthermore, the discharge opening 2 is arranged at the inner side of the alloy furnace bracket 6, the discharge opening 2 is arranged in a reversed hopper shape, the section of the discharge opening 2 is arranged in a trapezoid shape, the structure of the discharge opening 2 is reasonable, the baked residual materials can be discharged conveniently,

specifically, the burner 4 includes a first combustion nozzle 41, a second combustion nozzle 42, a third combustion nozzle 43, and a fourth combustion nozzle 44, the first combustion nozzle 41, the second combustion nozzle 42, the third combustion nozzle 43, and the fourth combustion nozzle 44 are installed on the outer wall of the heating chamber 3 from top to bottom in a spiral ring tangential manner, further, the vertical height intervals of the first combustion nozzle 41, the second combustion nozzle 42, the third combustion nozzle 43, and the fourth combustion nozzle 44 in the vertical direction are uniformly arranged, the fire ports in the heating chamber 3 are more uniform, the first combustion nozzle 41, the second combustion nozzle 42, the third combustion nozzle 43, and the fourth combustion nozzle 44 are arranged in a spiral ring manner, so that the ignition combustion operation can be uniformly performed in the heating chamber 3, the combustion points are uniformly distributed, and the combustion drying temperature inside the heating chamber is uniform, and is highly efficient.

Specifically, the alloy furnace support 6 is made of I-shaped steel, ninety-degree angle steel is welded at the joint of a top support and a vertical supporting leg in the alloy furnace support 6, and further a floor mat is welded at the bottom end of the supporting leg in the alloy furnace support 6, so that the stability is improved, and the overall strength, the bending modulus, the maximum compressive stress, the bending moment and other mechanical properties of the alloy furnace 1 and the heating chamber 3 on the alloy furnace support 6 are greatly improved; the integral support of the alloy furnace is facilitated, and the burning, smelting, feeding and discharging work of the alloy furnace becomes more stable.

Further, as shown in fig. 2 and 3, an ignition head is installed in an ignition device on the burner 4, and an ion fire detection processing circuit is provided, the ion fire detection processing circuit controls the opening and closing state of the main gas shut-off valve, when the ignition device is started, when there is flame, the ion fire detection processing circuit detects a flame signal, the flame signal detects microampere-level ion current, so that + DC24V is stably output, the logic module conducts the main gas shut-off valve through the logic processing circuit to perform gas transmission and ignition operation, and when there is no flame, the ion fire detection processing circuit is disconnected and outputs + DC24, at this time, the logic module will disconnect the main gas shut-off valve and simultaneously start an audible and visual alarm to remind nearby workers, so as to implement simple and convenient operation, automatic control and eliminate potential safety hazard, and the ignition device enables the alloy furnace feed opening baking device to have good safety effect 24V, the smelting safety is improved.

When the utility model works, the whole equipment is fixed by the alloy furnace bracket 6, when the alloy furnace 1 needs to add alloy materials, the baits of the high-position storage bin enter the heating chamber 3 through the conical top of the feeding hole of the alloy furnace 1, at the moment, the ignition device in the burner 3 is opened, meanwhile, the gas is supplied to the burner 3 through the guide pipe, the heating chamber 3 can be heated by utilizing the first combustion nozzle 41, the second combustion nozzle 42, the third combustion nozzle 43 and the fourth combustion nozzle 44 which are distributed along the periphery of the furnace body in a spiral line up and down at equal intervals, the automatic control of the ignition device at the end part of the burner 4, including the secondary ignition of the extinguishment due to the extinguishment of fire, can be realized by the ionic fire detection processing circuit arrangement of the ignition device when in heating and burning, and the ignition device ensures that the roasting device at the discharging hole of the alloy furnace has good safety effect, the smelting safety is improved, meanwhile, high-temperature airflow can heat the alloy along a tangent line at the upper part of the heating chamber, the alloy falls into the discharge opening 2 after being baked and heated to 300 ℃, the alloy falls into the discharge opening 2 after being heated, the alloy is waited to open the flat gate 5 for discharge, and the alloy can be circulated to the alloy furnace 1 or other furnace bodies again for smelting. In conclusion, the burner 4 is added to the existing heating chamber 3 of the alloy furnace, so that the temperature loss is reduced, the smelting efficiency is improved, and the maintenance and production cost is reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a novel safe explosion-proof alloy stove feed opening toasts device which characterized in that: including alloy stove (1), the feed inlet is installed at the top of alloy stove (1), heating chamber (3) are installed to the below of alloy stove (1), the below of heating chamber (3) is equipped with discharge opening (2), the outer wall of heating chamber (3) has alloy furnace support (6) through dead lever fixed mounting, combustor (4) are installed to the outer wall of heating chamber (3), and install the confession in heating chamber (3) the ignition of combustor (4) burning, combustor (4) are through outside gas air feeder of pipe switch-on.

2. The novel safe and explosion-proof alloy furnace feed opening baking device according to claim 1, is characterized in that: the inner wall of the bottom of the discharge opening (2) is connected with a matched flat gate (5) through a sliding groove, and the flat gate (5) can close the bottom of the discharge opening (2).

3. The novel safe and explosion-proof alloy furnace feed opening baking device according to claim 2, is characterized in that: the discharge opening (2) is positioned on the inner side of the alloy furnace bracket (6).

4. The novel safe and explosion-proof alloy furnace feed opening baking device according to any one of claims 1 to 3, characterized in that: the discharge opening (2) is arranged in a reversed hopper shape, and the section of the discharge opening (2) is arranged in a trapezoid shape.

5. The novel safe and explosion-proof alloy furnace feed opening baking device according to claim 1, is characterized in that: the combustor (4) comprises a first combustion nozzle (41), a second combustion nozzle (42), a third combustion nozzle (43) and a fourth combustion nozzle (44), and the first combustion nozzle (41), the second combustion nozzle (42), the third combustion nozzle (43) and the fourth combustion nozzle (44) are sequentially installed on the outer wall of the heating chamber (3) from top to bottom in a spiral annular tangent shape.

6. The novel safe and explosion-proof alloy furnace feed opening baking device according to claim 5, is characterized in that: the vertical height intervals of the first combustion nozzle (41), the second combustion nozzle (42), the third combustion nozzle (43) and the fourth combustion nozzle (44) in the vertical direction are consistent.

7. The novel safe and explosion-proof alloy furnace feed opening baking device according to claim 1, is characterized in that: the alloy furnace support (6) is designed into I-shaped steel, and ninety-degree angle steel is welded at the joint of a top support and a vertical support leg in the alloy furnace support (6).

8. The novel safe and explosion-proof alloy furnace feed opening baking device according to claim 1 or 7, characterized in that: the bottom ends of the supporting legs in the alloy furnace support (6) are welded with a floor mat.

9. The novel safe and explosion-proof alloy furnace feed opening baking device according to claim 1, is characterized in that: ignition includes the ignition head to and be equipped with the ion fire that the cooperation ignition head stopped and stops and examine processing circuit and examine the circuit, the ion fire is examined processing circuit and is examined the state that opens and shuts of circuit control main gas trip valve.