A walking beam furnace hearth ventilation system
By installing multi-layer fixed covers and an automatic air supply system in the walking beam furnace pit, the problem of insufficient ventilation in the pit was solved, achieving safe and efficient heat dissipation and exhaust of harmful gases, thus protecting worker health and production safety.
Patent Information
- Application Number
- CN202111355673.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-11-16
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2041-11-16
AI Technical Summary
The existing walking beam furnace pit lacks a ventilation system, which leads to the accumulation of harmful gases such as carbon monoxide and carbon dioxide. The heat dissipation effect is poor in summer, threatening the health of workers and production safety.
A furnace pit ventilation system was designed, which includes a multi-layer fixed cover, a blower, an air volume sensor, and a temperature sensor. The system adjusts the air volume and air speed through an automatic control system to increase heat dissipation and exhaust harmful gases.
It effectively reduces furnace temperature, ensures worker safety, guarantees continuous production, and reduces safety hazards and health risks.
Smart Images
Figure CN114018060B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of furnace pit, in particular to a kind of step-by-step furnace pit ventilation system. BACKGROUND
[0002] Step-by-step furnace is widely used in copper processing industry furnace type, the inside of the existing step-by-step furnace pit is mostly not installed with ventilation system, a large amount of carbon monoxide, carbon dioxide or combustible gas will be generated in furnace pit, it is inconvenient to discharge step-by-step furnace pit in time, in addition, in summer, the temperature of external air is higher, and due to the certain air supply of air supply fan, the heat dissipation effect of the inside of furnace pit is poor, so that the temperature in furnace pit is higher, which can easily lead to the event of worker fainting, affect production and worker health, therefore, a kind of step-by-step furnace pit ventilation system is provided. SUMMARY
[0003] (I) technical problem solved
[0004] In view of the deficiencies in the prior art, the present application provides a kind of step-by-step furnace pit ventilation system to solve the problems raised in the above background.
[0005] (II) technical scheme
[0006] To achieve the above object, the present application provides the following technical scheme: a kind of step-by-step furnace pit ventilation system, including furnace pit body, the furnace pit body is divided into seven layers, the side end bottom side of furnace pit body is communicated with air inlet pipeline, first air supply fan is installed in the inside of air inlet pipeline, first air volume sensor is installed in the inside of air inlet pipeline, the inside of furnace pit body is fixedly connected with fixed cover at the junction of adjacent two furnace layers, four fixed plates are arranged in the inside of fixed cover, the front inner side wall, rear inner side wall, left inner side wall and right inner side wall of fixed cover are all provided with a plurality of convex grooves, a plurality of convex blocks are slidably arranged in the inside of a plurality of convex grooves, the top end of each convex block is connected with first compression spring, the top end of each first compression spring is connected with the top end of each convex groove, the side end of a plurality of convex blocks is in contact with the side end of four fixed plates, a plurality of ventilation openings are arranged on four fixed plates, first sliding slot is arranged in the inside of fixed plate at the front side, left side, rear side and right side of ventilation opening, first sliding block is slidably arranged in the inside of first sliding slot, second compression spring is connected to the end of first sliding block away from ventilation opening, first baffle is connected to the end of first sliding block close to ventilation opening, the end of first baffle away from first sliding block extends to the inside of ventilation opening, and the end of first baffle away from first sliding block is hingedly connected with second baffle, the side end of second baffle is connected with corresponding first baffle through extrusion mechanism, second air supply fan, second air volume sensor and temperature sensor are installed on the inside of each layer of furnace pit body, and second air volume sensor and temperature sensor are located on the upper side of second air supply fan.
[0007] Preferably, the extrusion mechanism comprises a connecting column and a connecting rod, the connecting column is rotationally connected with the first baffle, a second sliding groove is slidably arranged in the connecting column, a second sliding block is slidably arranged in the second sliding groove, a third compression spring is connected to one end of the second sliding block close to the first baffle, one end of the connecting rod is fixedly connected with one end of the second sliding block away from the first baffle, and the other end of the connecting rod extends to the outside of the connecting column and is rotationally connected with the side end of the second baffle.
[0008] Further, the top end of the furnace pit body is fixedly connected with a wind baffle, the middle of the wind baffle is provided with an air outlet, and the top end of the air outlet is fixedly connected with an air outlet pipe.
[0009] Still further, the fixed plate located at the rear side is provided with a passageway.
[0010] Further, the inside of the furnace pit body is connected with a gas guide block through a connecting block below each second air blower.
[0011] On the basis of the foregoing scheme, the bottom end of each fixed cover is fixedly connected with a wind guide cover.
[0012] On the basis of the foregoing scheme, further, the air inlet pipeline is in communication with the upper side of the ground.
[0013] (Three) beneficial effects
[0014] Compared with the prior art, the present application provides a furnace pit ventilation system of a step-by-step furnace, which has the following beneficial effects:
[0015] In summer, the furnace pit ventilation system of the step-by-step furnace transports air to the inside of the furnace pit through the first air blower, dissipates heat through the flow of air in the inside of the furnace pit body, detects the temperature in the inside of each layer of the furnace pit body through the plurality of temperature sensors, controls the corresponding second air blower to work through the external main controller when the temperature is high, increases the ventilation volume in the inside of the furnace pit, increases the air speed in the inside of the furnace pit to drive the second baffle to rotate, to make the first baffle slide into the inside of the first sliding groove and to make the fixed plate slide upward, increases the area of air flow, improves the heat dissipation effect, ensures that the inside of the furnace pit is reduced to a suitable temperature, facilitates the on-and-off furnace pit of the duty personnel, and facilitates the carbon monoxide, carbon dioxide or combustible gas in the inside of the furnace pit, eliminates the safety hazards of workers in a limited space, and ensures normal production and worker health. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic view of the present application;
[0017] Figure 2 is a bottom structure schematic view of the fixed cover and four fixed plates of the present application;
[0018] Figure 3 A local enlarged structure schematic view at A in the present application Figure 1 A local enlarged structure schematic view at A in the present application
[0019] Figure 4 A local enlarged structure schematic view at A in the present application Figure 1 A local enlarged structure schematic view at A in the present application
[0020] In the figure: 1, furnace body; 2, air inlet pipeline; 3, first air blower; 4, first air volume sensor; 5, fixed cover; 6, fixed plate; 7, convex block; 8, first compression spring; 9, first sliding block; 10, second compression spring; 11, first baffle; 12, second baffle; 13, second air blower; 14, second air volume sensor; 15, temperature sensor; 16, connecting column; 17, connecting rod; 18, second sliding block; 19, third compression spring; 20, wind baffle; 21, air outlet pipe; 22, air guide block; 23, air guide cover. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0022] EMBODIMENT
[0023] Please refer to Figures 1-4The utility model provides a kind of furnace pit ventilation system of step furnace, including furnace pit body 1, furnace pit body 1 is divided into seven layers, the top end of furnace pit body 1 is fixedly connected with baffle 20, the middle of baffle 20 is provided with air outlet, the top end of air outlet is fixedly connected with air outlet pipe 21, air into the inside of furnace pit body 1 is discharged by air outlet pipe 21, the side end bottom side of furnace pit body 1 is communicated with air inlet duct 2, air inlet duct 2 is communicated with ground upper side, first air blower 3 is installed in the inside of air inlet duct 2, first air volume sensor 4 is installed in the inside of air inlet duct 2, the ventilation volume in the inside of air inlet duct 2 is detected by first air volume sensor 4, the inside of furnace pit body 1 is fixedly connected with fixed cover 5 at the junction of adjacent two furnace layers, the bottom of each fixed cover 5 is fixedly connected with wind deflector 23, by wind deflector 23, it is convenient to make wind guide to the below of four fixed plates 6, the inside of fixed cover 5 is provided with four fixed plates 6, access opening is provided on the fixed plate 6 in rear side, it is convenient for worker to go up and down, front inner side wall, rear inner side wall, left inner side wall and right inner side wall of fixed cover 5 are provided with multiple convex grooves, the inside of multiple convex grooves is slidably provided with convex block 7, the top of each convex block 7 is connected with first compression spring 8, the top of each first compression spring 8 is connected with the top of each convex groove respectively, the side end of multiple convex blocks 7 is contacted with the side end of four fixed plates 6 respectively, multiple air vents are provided on four fixed plates 6, first sliding slot is provided in the inside of fixed plate 6 at the front side, left side, rear side and right side of air vent, first sliding block 9 is slidably provided in the inside of first sliding slot, second compression spring 10 is connected to the end of first sliding block 9 away from air vent, first baffle 11 is connected to the end of first sliding block 9 close to air vent, the end of first baffle 11 away from first sliding block 9 extends to the inside of air vent, and the end of first baffle 11 away from first sliding block 9 is hingedly connected with second baffle 12, the side end of second baffle 12 is connected with corresponding first baffle 11 by extrusion mechanism, second air blower 13, second air volume sensor 14 and temperature sensor 15 are installed in the inside of each layer on furnace pit body 1, the ventilation volume in the inside of furnace body is detected by second air volume sensor 14, second air volume sensor 14 and temperature sensor 15 are all located on the upper side of second air blower 13, in summer, air is transported to the inside of furnace pit by first air blower 3, heat dissipation is carried out by air flow in the inside of furnace pit body 1, the temperature in the inside of each layer of furnace pit body 1 is detected by multiple temperature sensors 15, when temperature is higher, corresponding second air blower 13 is controlled to work by external connected main control unit, increase the ventilation volume in the inside of furnace pit, the wind speed in the inside of furnace pit increases to drive second baffle 12 to rotate, make first baffle 11 slide to the inside of first sliding slot and make fixed plate 6 slide upwards, increase the area of wind flow, improve the effect of heat dissipation, guarantee to reduce the inside of furnace pit to appropriate temperature, it is convenient for watchman to go up and down furnace pit, avoid the event of worker fainting, guarantee normal production and worker health.
[0024] It also needs to be explained that the extrusion mechanism includes connecting column 16 and connecting rod 17, connecting column 16 is rotatably connected with the first baffle 11, the inside of the connecting column 16 is slidably provided with a second sliding groove, the inside of the second sliding groove is slidably provided with a second sliding block 18, the end of the second sliding block 18 close to the first baffle 11 is connected with a third compression spring 19, one end of the connecting rod 17 is fixedly connected with the end of the second sliding block 18 away from the first baffle 11, the other end of the connecting rod 17 extends to the outside of the connecting column 16 and is rotatably connected with the side end of the second baffle 12, the connecting rod 17 is pushed to move away from the first baffle 11 by the third compression spring 19, the second baffle 12 is pushed to rotate by the connecting rod 17, so that the adjacent two second baffles 12 are in contact, the ventilation gap is left between the top ends of the four second baffles 12, the first air blower 3 is started in winter, which can ensure the ventilation volume in the furnace pit body 1 to cool the inside of the furnace pit body 1, the inside of the furnace pit body 1 located below each second air blower 13 is connected with a gas guide block 22 through a connecting block, the bottom end of the gas guide block 22 is provided in an arc shape, the gas guide block 22 facilitates guiding the air to the two sides, and facilitates cooling the inner side wall of the furnace pit body 1.
[0025] The electrical components appearing in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer, the first air blower 3 and the second air blower 13 are both provided with a control switch matched therewith, the installation position of the control switch is installed according to actual needs, a carbon monoxide and CH4 gas detector is installed on the front and rear corners of the furnace pit respectively, when the dangerous gas in the furnace pit is detected to be over standard, the probe starts to alarm and controls the first air blower 3 and the second air blower 13 installed in the furnace pit to ventilate and exchange air in the furnace pit until the alarm is removed. This system is in an automatic state daily; when personnel work in the pit, ventilation and cooling and air exchange are needed in the pit, the system can also be manually started by the control button installed on the system, which can realize manual and automatic integrated control, the ventilation system can effectively protect the personal safety of employees working in a limited space, ensure the continuation and normal operation of production, eliminate the huge economic loss of production downtime caused by safety hazards of enterprises, thereby indirectly creating considerable economic benefits and social benefits for the company. At the same time, the daily professional health environment of employees is effectively protected.
[0026] In summary, the furnace pit ventilation system of the step furnace, in use, in summer, air is delivered to the interior of the furnace pit by the first air blower 3, heat is dissipated by the flow of air within the furnace pit body 1, the temperature within each layer of the furnace pit body 1 is detected by the plurality of temperature sensors 15, the air flow within each layer of the interior of the furnace pit body 1 and the air inlet pipe 2 is detected by the first air volume sensor 4 and the second air volume sensor 14 respectively, the detected signals are transmitted to the main controller by the temperature sensors 15, the first air volume sensor 4 and the second air volume sensor 14, the corresponding second air blower 13 is controlled to work by the main controller, the air flow within the furnace pit body 1 is increased, the air speed within the furnace pit is increased, the second baffle 12 is driven to rotate, the first baffle 11 is slid to the interior of the first sliding slot and the fixed plate 6 is slid upward, the air flow area is increased, the interior of the furnace pit body 1 is cooled, carbon monoxide, carbon dioxide or combustible gas within the interior of the furnace pit is discharged.
[0027] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A walking beam furnace hearth ventilation system comprising a hearth body (1), characterised in that: The furnace pit body (1) is divided into seven layers, the bottom side of the side end of the furnace pit body (1) is communicated with an air inlet pipeline (2), a first air feeder (3) is installed in the air inlet pipeline (2), a first air volume sensor (4) is installed in the air inlet pipeline (2), the inside of the furnace pit body (1) is fixedly connected with a fixed cover (5) at the connecting position of adjacent two furnace layers, four fixed plates (6) are arranged in the fixed cover (5), the front inner side wall, the rear inner side wall, the left inner side wall and the right inner side wall of the fixed cover (5) are provided with a plurality of convex grooves, a plurality of convex blocks (7) are slidably arranged in the plurality of convex grooves, the top end of each convex block (7) is connected with a first compression spring (8), the top end of each first compression spring (8) is connected with the top end of each convex groove, the side end of each convex block (7) is in contact with the side end of the four fixed plates (6), a plurality of air vents are arranged on the four fixed plates (6), a first sliding groove is arranged on the inside of the fixed plate (6) at the front side, the left side, the rear side and the right side of the air vent, a first sliding block (9) is slidably arranged in the first sliding groove, a second compression spring (10) is connected to the end of the first sliding block (9) away from the air vent, a first baffle (11) is connected to the end of the first sliding block (9) close to the air vent, the end of the first baffle (11) away from the first sliding block (9) extends into the air vent, and the end of the first baffle (11) away from the first sliding block (9) is hingedly connected with a second baffle (12), the side end of the second baffle (12) is connected with the corresponding first baffle (11) through a pressing mechanism, a second air feeder (13), a second air volume sensor (14) and a temperature sensor (15) are installed in each layer of the furnace pit body (1), and the second air volume sensor (14) and the temperature sensor (15) are located on the upper side of the second air feeder (13).
2. A furnace pit ventilation system for a walking beam furnace as claimed in claim 1 wherein: The pressing mechanism comprises a connecting column (16) and a connecting rod (17), the connecting column (16) is rotatably connected with the first baffle (11), a second sliding groove is slidably arranged in the inside of the connecting column (16), a second sliding block (18) is slidably arranged in the second sliding groove, a third compression spring (19) is connected to the end of the second sliding block (18) close to the first baffle (11), one end of the connecting rod (17) is fixedly connected with the end of the second sliding block (18) away from the first baffle (11), and the other end of the connecting rod (17) extends to the outside of the connecting column (16) and is rotatably connected with the side end of the second baffle (12).
3. A furnace pit ventilation system for a walking beam furnace as claimed in claim 2 wherein: The top end of the furnace pit body (1) is fixedly connected with a wind baffle (20), the middle of the wind baffle (20) is provided with an air outlet, and the top end of the air outlet is fixedly connected with an air outlet pipe (21).
4. A furnace pit ventilation system for a walking beam furnace as claimed in claim 3 wherein: The fixed plate (6) located on the rear side is provided with a pass-through opening.
5. A furnace pit ventilation system for a walking beam furnace as claimed in claim 4 wherein: The bottom end of the fixed plate (6) is fixedly connected with a guide block (22) through a connecting block.
6. A furnace pit ventilation system for a walking beam furnace as claimed in claim 5 wherein: The bottom end of each fixed cover (5) is fixedly connected with a wind guide cover (23).
7. A furnace pit ventilation system for a walking beam furnace as claimed in claim 6 wherein: The air inlet pipeline (2) is communicated with the upper side of the ground.
Citation Information
Patent Citations
System for precisely controlling temperature change and heat treatment device
CN109595945A