CN110093169A - A kind of quenching tower gas gathering mask - Google Patents

Abstract

The invention discloses a gas collecting hood of a coke quenching tower, which is characterized in that it comprises: a gas collecting hood body, a packing layer, and a flushing device, the packing layer is built into the gas collecting hood body, and the packing layer covers the The inner cavity of the gas collection hood body is divided into a first cavity and a second cavity arranged up and down; the gas collection hood body is provided with a smoke inlet, a first smoke outlet, and a second smoke outlet; the The flue gas inlet communicates with the second cavity, the first flue gas outlet and the second flue gas outlet both communicate with the first cavity, and the outside of the gas collecting hood is provided with a closing/opening switch. The sealing door of the second flue gas outlet; the flushing device is arranged in the first cavity, and the water outlet of the flushing device is arranged towards the packing layer; when the flue gas whitening and dust removal system needs to be overhauled At this time, the user can open the sealed door to reduce or prevent the smoke from entering the flue gas whitening and dust removal system, which is convenient for the user to overhaul.

Description

A coke quenching tower gas collecting hood

technical field

The invention relates to the field of coke quenching flue gas treatment, in particular to a coke quenching tower gas collecting hood.

Background technique

The coke quenching process produces a large amount of flue gas. In addition to harmful gases, the flue gas also carries a large amount of dust, which causes certain pollution to the atmosphere. In response to the requirements of the environmental protection department, our company has proposed environmental protection measures for flue gas emissions in the coking and coking quenching process. A coke quenching tower flue gas dewhitening and dust removal system is used to purify the flue gas. However, when the coke quenching tower flue gas dewhitening and dust removal system breaks down and needs to be overhauled, the overhaul can only be started after the coke quenching process is completely completed.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned technical deficiencies, provide a gas collecting hood for the coke quenching tower, and solve the technical problem that the flue gas whitening and dust removal system of the coke quenching tower in operation fails to be repaired immediately.

In order to achieve the above technical purpose, the technical solution of the present invention provides a coke quenching tower gas collecting hood, which is characterized in that it includes: a gas collecting hood body, a packing layer, and a flushing device, and the packing layer is built into the gas collecting hood body , and the packing layer separates the inner cavity of the gas collecting hood body into a first cavity and a second cavity arranged up and down; the gas collecting hood body is provided with a flue gas inlet and a first flue gas outlet , the second flue gas outlet; the flue gas inlet communicates with the second cavity, the first flue gas outlet and the second flue gas outlet both communicate with the first cavity, and the gas collecting A sealed door for closing/opening the second flue gas outlet is provided on the outside of the cover; the flushing device is arranged in the first cavity, and the water outlet of the flushing device is arranged toward the packing layer.

Compared with the prior art, the beneficial effects of the present invention include: the coke quenching tower gas collecting hood is installed on the top of the coke quenching tower, and the flue gas inlet communicates with the top inner cavity of the coke quenching tower, the first A flue gas outlet communicates with the intake end of the flue gas whitening and dust removal system. When the flue gas whitening and dust removal system needs to be overhauled, the user can open the sealed door, and at this time the flue gas passes through the packing After layering, it is directly discharged into the atmosphere from the second flue gas outlet, reducing or preventing the flue gas from entering the flue gas whitening and dust removal system, so that users can easily overhaul the flue gas whitening and dust removal system; the packing layer It is used to block the dust in the flue gas, and the flushing device is used to flush the dust deposited on the packing layer, so as to prevent excessive dust from clogging the packing layer.

Description of drawings

Fig. 1 is a schematic structural view of the second flue gas outlet in the present invention when it is closed.

Fig. 2 is a schematic structural view of the second flue gas outlet in the present invention when it is opened.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to Figures 1 to 2. This embodiment provides a gas collecting hood for a coke quenching tower, including: a gas collecting hood body 1, a packing layer 2, a flushing device 3, a mounting frame 4, a driving wheel 5, a traction rope 6 and a sealing door 7.

The packing layer 2 is built into the gas collecting hood body 1, and the packing layer 2 separates the inner cavity of the gas collecting hood body 1 into a first cavity 1a and a second cavity 1b arranged up and down; The gas collecting hood body 1 is provided with a flue gas inlet 1c, a first flue gas outlet 1d, and a second flue gas outlet 1e; the flue gas inlet 1c communicates with the second cavity 1b, and the first flue gas Both the gas outlet 1d and the second flue gas outlet 1e are in communication with the first cavity 1a, and the outside of the gas collecting hood 1 is provided with a sealed door 6 for closing/opening the second flue gas outlet 1e; The flushing device 3 is arranged in the first cavity 1a, and the water outlet end of the flushing device 3 is arranged toward the packing layer 2, specifically, the flushing device 3 is a plurality of spray pipes, and the flushing device 3 3 and the gas collecting hood body 1 are welded and fixed.

In this implementation, the flue gas inlet 1c is opened at the lower end of the gas collecting hood body 1; the first flue gas outlet 1d is opened at the side wall of the gas collecting hood body 1; the second flue gas outlet 1e is opened on the top of the gas collecting hood body 1, because the flue gas moves from bottom to top in the coke quenching tower, the second flue gas outlet 1e is opened on the top of the gas collecting hood body 1, so that the flue gas can be directly into the atmosphere.

The mounting frame 4 is fixed on the outside of the top of the gas collecting hood body 1, one end of the airtight door 7 is hinged to the lower end of the mounting frame 4, and the other end of the airtight door 7 is provided with a hanging point 7a; The driving wheel 5 is installed on the upper end of the mounting frame 4; one end of the traction rope 6 is wound around the driving wheel 5, and the other end of the traction rope 6 is fixedly connected to the hanging point 7a, and the set The top of the gas hood body 1 is provided with a downwardly recessed frame-shaped water tank 1f, and the frame-shaped water tank 1f is arranged around the edge of the second smoke outlet 1e; the sealing door 7 is close to the second smoke outlet One side of 1e is fixed with a sealing frame 7b, and the sealing frame 7g is arranged along the edge of the sealing door 7, specifically, the sealing frame 7b is welded and fixed with the sealing door 7; when the sealing door 7 is closed When the second flue gas exits 1e, the end of the sealing frame 7b away from the sealing door 7 is built into the frame-shaped water tank 1f, and the water in the frame-shaped water tank 1f plays a role in the sealing frame 7b. The water sealing effect improves the airtightness of the airtight door 7 .

In this embodiment, there are two second flue gas outlets 1e, and the two second flue gas outlets 1e are symmetrically arranged on both sides of the installation frame 4; the sealed door 7, the driving wheel 5 and the There are two traction ropes 6, and the two airtight doors 7 close/open the two second smoke outlets 1e one by one; the two driving wheels 5 correspond to the two traction ropes one by one. 6, and the other ends of the two traction ropes 6 are fixedly connected to the hanging points 7a provided on the two sealed doors 7 one by one; the frame-shaped water tank 1f is also provided with two, two The frame-shaped water tanks 1f are arranged one by one around the two second flue gas outlets 1e, and each of the sealed doors 7 is provided with a sealed frame 7a; the coke quenching tower gas collecting hood It also includes two servo motors, and the two servo motors drive the two drive wheels 5 to rotate one by one. When the two sealed doors 7 are fully opened, the two drive wheels 5 and the two drive wheels The servo motors are all located between the opposite surfaces of the two sealed doors 7, so as to protect the driving wheel 5 and the motor.

Working principle: The coke quenching tower gas collection hood is installed on the top of the coke quenching tower, and the flue gas inlet 1c is connected with the top inner cavity of the coke quenching tower, and the first flue gas outlet 1d is connected with the flue gas whitening The intake end of the dust removal system is connected. When the flue gas whitening and dust removal system needs to be overhauled, the user can open the sealed door 7. At this time, the flue gas passes through the packing layer 2 and directly flows from the first The second flue gas outlet 1e is discharged into the atmosphere, reducing or preventing flue gas from entering the flue gas whitening and dust removal system, so that users can easily overhaul the flue gas whitening and dust removal system; the packing layer 2 is used to block flue gas The flushing device 3 is used to flush the dust deposited on the packing layer 2 to avoid excessive dust from clogging the packing layer 2 .

The specific embodiments of the present invention described above do not constitute a limitation to the protection scope of the present invention. Any other corresponding changes and modifications made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.

Claims (8)

1. A coke quenching tower gas collection hood, characterized in that it comprises: a gas collection hood body, a packing layer, and a flushing device, the packing layer is built into the gas collection hood body, and the packing layer covers the collection The inner cavity of the gas hood body is divided into a first cavity and a second cavity arranged up and down; the gas collecting hood body is provided with a smoke inlet, a first smoke outlet, and a second smoke outlet; the smoke The gas inlet is communicated with the second cavity, the first flue gas outlet and the second flue gas outlet are both communicated with the first cavity, and the outside of the gas collecting hood is provided with a closing/opening A sealed door for the second flue gas outlet; the flushing device is arranged in the first cavity, and the water outlet end of the flushing device is arranged toward the packing layer. 2. The coke quenching tower gas collecting hood according to claim 1, characterized in that, the flue gas inlet is opened at the lower end of the gas collecting hood body. 3. The coke quenching tower gas collecting hood according to claim 1, characterized in that, the first flue gas outlet is opened on the side wall of the gas collecting hood body. 4. The coke quenching tower gas collecting hood according to claim 1, characterized in that, the second flue gas outlet is opened on the top of the gas collecting hood body. 5. The coke quenching tower gas collecting hood according to claim 1, characterized in that, the coke quenching tower gas collecting hood also includes a mounting frame, a driving wheel and a traction rope, and the mounting frame is fixed on the gas collecting On the outside of the top of the cover body, one end of the airtight door is hinged to the lower end of the installation frame, and the other end of the airtight door is provided with a hanging point; the driving wheel is installed on the upper end of the installation frame; the traction One end of the rope is wound around the driving wheel, and the other end of the traction rope is fixedly connected to the lifting point. 6. The coke quenching tower gas collecting hood according to claim 5, characterized in that, the top of the gas collecting hood body is provided with a frame-shaped water tank formed by a downward depression, and the frame-shaped water tank surrounds the second flue gas The edge of the gas outlet is arranged; the side of the airtight door close to the second smoke outlet is fixed with a sealing frame, and the sealing frame is arranged along the edge of the airtight door; when the airtight door closes the second When the flue gas is exported, the end of the sealing frame away from the sealing door is built into the frame-shaped water tank. 7. The coke quenching tower gas collecting hood according to claim 6, characterized in that there are two second flue gas outlets, and the two second flue gas outlets are symmetrically arranged on the two sides of the mounting frame. There are two sealed doors, driving wheels and traction ropes, and the two sealed doors are correspondingly closed/opened to the two second smoke outlets; the two driving wheels are correspondingly connected to each other. One ends of the two traction ropes are connected, and the other ends of the two traction ropes are fixedly connected to the hanging points provided on the two sealed doors one by one; the frame-shaped water tank is also provided with two, The two frame-shaped water tanks are arranged one by one around the two second flue gas outlets, and each of the sealing doors is provided with a sealing frame. 8. The coke quenching tower air collecting hood according to claim 7, characterized in that, when the two sealed doors are fully opened, the two driving wheels are located between the opposite surfaces of the two sealed doors .