Roof smoke exhaust system for converter smelting plant

Abstract

The utility model discloses a roof smoke exhaust system for a converter smelting plant, which is provided with trusses arranged on roofs above two sides of the converter plant, a plurality of open smoke collecting hoods are arranged on the trusses above a converter furnace platform, and all the open smoke collecting hoods are jointly connected onto a smoke exhaust channel. A centrifugal fan is arranged at one end of the smoke exhaust channel, and smoke in the smoke exhaust channel is pumped out by the centrifugal fan and enters a smoke purification system outside the plant to be treated; a plurality of air blowing openings are further formed in the truss opposite to the open flue gas collecting cover, every three air blowing openings form a group, and the three air blowing openings in each group jointly blow air through one air blower; according to the smoke exhaust system, smoke is exhausted out of a plant through the open smoke collecting cover along with the centrifugal fan and enters the system for treatment, the field environment is greatly improved, the novel design of the smoke exhaust system can solve the problem of environmental pollution troubling enterprises, the occupational health is promoted, and the smoke exhaust system plays an important role in the great development of the enterprises.

Description

Technical Field

[0001] The utility model relates to the technical field of mining and smelting sewage discharge equipment, in particular to a roof smoke exhaust system for a converter smelting plant. Background Art

[0002] In industrial plants such as mining and smelting, material loading and unloading, transportation, crushing, and storage are often carried out. In this process, dust is seriously emitted. Ordinary factories only have a very general exhaust system designed on the roof. The emitted dust and smoke gather above the roof, causing pollution to the factory workshop and poor on-site working environment, which seriously affects the occupational health of the operators and is also not conducive to the long-term development of the enterprise. Utility Model Content

[0003] The purpose of the utility model is to provide a rooftop smoke exhaust system for a converter smelting plant in view of the above situation. The structural design of the smoke exhaust system is more widely used and has better effects than the traditional dust and smoke extraction structure.

[0004] The specific scheme of the utility model is: a rooftop smoke exhaust system for a converter smelting plant, comprising trusses arranged on the roofs above both sides of the converter plant, a plurality of open smoke collecting hoods are arranged on the trusses above the converter hearth, all the open smoke collecting hoods are connected together to a smoke exhaust passage, a centrifugal fan is arranged at one end of the smoke exhaust passage, the centrifugal fan draws the smoke in the smoke exhaust passage into a smoke purification system outside the plant for treatment; a plurality of blowing ports are also arranged on the trusses opposite the open smoke collecting hoods, each three blowing ports form a group, the three blowing ports in each group are blown together by a hair dryer, and the three blowing ports in each group correspond to one converter hearth for operation.

[0005] Furthermore, the open smoke collection hood described in the utility model is trumpet-shaped, and each open smoke collection hood is equipped with an electric regulating butterfly valve.

[0006] Furthermore, in the utility model, the truss is also provided with a roof side smoke exhaust port, which is located on the upper outer side of the corresponding converter furnace platform, and all the roof side smoke exhaust ports are connected to the smoke exhaust channel.

[0007] Furthermore, each of the roof side smoke exhaust ports in the utility model is also equipped with an electric regulating butterfly valve.

[0008] Furthermore, the wind blown out from the air outlets in the utility model is in a trumpet-shaped dispersion, and the three air outlets in each group are commonly connected to a distribution air duct, and the distribution air duct is connected to the hair dryer.

[0009] Furthermore, in the utility model, the open smoke collecting hood close to the corresponding converter hearth is arranged toward the converter hearth, and the air blowing port is arranged toward the opposite open smoke collecting hood.

[0010] The utility model uses an open smoke collection hood to draw the smoke out of the factory building into the system for treatment along with the centrifugal fan, which greatly improves the on-site environment. The design of this new smoke exhaust system can not only solve the environmental pollution problems that plague enterprises, but also promote occupational health and play an important role in the long-term development of enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main viewing direction structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the structure of the utility model in a top view.

[0013] In the figure: 1 - smoke exhaust channel, 2 - air outlet, 3 - open smoke collection hood, 4 - truss, 5 - converter hearth, 6 - distribution air duct, 7 - blower, 8 - roof side smoke exhaust outlet, 9 - electric regulating butterfly valve. DETAILED DESCRIPTION

[0014] The following will be combined with the accompanying drawings of the utility model to clearly and completely describe the technical solution of the utility model. It is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the utility model. In the description of the utility model, it should be noted that the terms "upper", "lower", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when used, which is only for the convenience of describing the utility model or simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0015] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] See also Figure 1 , Figure 2The utility model is a roof exhaust system for a converter smelting plant, comprising a truss 4 arranged on the roof above both sides of the converter plant, a plurality of open smoke collecting hoods 3 are arranged on the truss above the converter furnace, all of which are connected to a smoke exhaust passage 1, and a centrifugal fan is arranged at one end of the smoke exhaust passage, which draws the smoke in the smoke exhaust passage into a smoke purification system outside the plant for treatment, and the smoke purification system outside the plant is not within the scope of the invention scheme of the utility model, and the treatment and purification system basically performs operations such as filtering and purifying the smoke dust, and then discharges the purified air; a plurality of blowing ports 2 are also arranged on the truss opposite the open smoke collecting hood, and each three blowing ports form a group, and the three blowing ports in each group are blown together by a blower 7, and the three blowing ports in each group correspond to a converter furnace 5 for operation. Furthermore, the open smoke collection hood described in the utility model is in the shape of a trumpet, and each open smoke collection hood is equipped with an electric regulating butterfly valve 9. Furthermore, in the utility model, a roof side smoke exhaust port 8 is also provided on the truss, and the roof side smoke exhaust port is located on the upper outer side of the corresponding converter furnace platform, and all the roof side smoke exhaust ports are connected to the smoke exhaust channel 1. Furthermore, in the utility model, each of the roof side smoke exhaust ports is also equipped with an electric regulating butterfly valve. Further, the wind blown out of the blowing port described in the utility model is in the shape of a trumpet spread, and the three blowing ports in each group are connected to a distribution air duct together, and the distribution air duct is connected to the blower. Further, in the utility model, the open smoke collection hood close to the corresponding converter furnace platform is arranged toward the converter furnace platform, and the blowing port is arranged toward the relative open smoke collection hood.

[0017] The present utility model is aimed at the problem of serious dust dispersion, dust accumulation on the roof, pollution and poor on-site environment during material loading and unloading, transportation, crushing and storage in industrial plants, and invents a process method route for sucking dust from the roof of industrial plants and improving the on-site working environment. In this embodiment, an open smoke collection hood is set on the truss of the roof above the converter furnace of the industrial plant, and each open smoke collection hood is equipped with an electric regulating butterfly valve to implement electric control of the smoke exhaust vent. The hood needs to be opened on which side, and the exhaust volume is adjusted by adjusting the size of the electric regulating butterfly valve. The electric regulating butterfly valve of the existing area is opened according to the actual situation. A high-speed blowing port is set opposite the open smoke collection hood on the side. The high-speed blowing port induces polluted air to be discharged to the smoke exhaust port on the side of the roof, and enters the smoke exhaust channel through the smoke exhaust port and is sucked out of the plant by the centrifugal fan to enter the purification system for treatment, thereby improving the on-site environment.

[0018] In this embodiment, the specific size, installation position and height of each open smoke collection hood and the opposite air outlet should be determined according to the needs of the site and the size of the converter furnace. They can be debugged and adjusted before use to achieve the best effect.

[0019] The utility model uses an open smoke collection hood to draw the smoke out of the factory building into the system for treatment along with the centrifugal fan, which greatly improves the on-site environment. The design of this new smoke exhaust system can not only solve the environmental pollution problems that plague enterprises, but also promote occupational health and play an important role in the long-term development of enterprises.

Claims

1. A roof exhaust system for a converter smelting plant, comprising trusses arranged on the roofs above both sides of the converter plant, characterized in that: A plurality of open smoke collecting hoods are provided on the truss above the converter hearth, and all the open smoke collecting hoods are connected together to a smoke exhaust channel. A centrifugal fan is provided at one end of the smoke exhaust channel, and the centrifugal fan draws the smoke in the smoke exhaust channel into the smoke purification system outside the factory for treatment; a plurality of blowing outlets are also provided on the truss opposite the open smoke collecting hoods, and each three blowing outlets form a group, and the three blowing outlets in each group are blown together by a hair dryer, and the three blowing outlets in each group correspond to one converter hearth for operation.

2. The roof smoke exhaust system for a converter smelting plant according to claim 1, characterized in that: The open smoke collection hood is in a trumpet shape, and each open smoke collection hood is equipped with an electric regulating butterfly valve.

3. The roof smoke exhaust system for a converter smelting plant according to claim 1, characterized in that: The trusses are also provided with roof side smoke exhaust ports, which are located on the upper outer sides of the corresponding converter furnace platforms, and all the roof side smoke exhaust ports are connected to the smoke exhaust passages.

4. The roof smoke exhaust system for a converter smelting plant according to claim 3 is characterized in that: Each of the smoke exhaust outlets on the side of the roof is also equipped with an electric regulating butterfly valve.

5. The rooftop smoke exhaust system for a converter smelting plant according to claim 1, characterized in that: The wind blown out of the blowing port is in a trumpet-shaped dispersion, and the three blowing ports in each group are connected to a distribution air duct, and the distribution air duct is connected to the hair dryer.

6. The rooftop smoke exhaust system for a converter smelting plant according to claim 1, characterized in that: The open fume collecting hood close to the corresponding converter hearth is arranged toward the converter hearth, and the air blowing port is arranged toward the opposite open fume collecting hood.

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