CN215480712U

CN215480712U - Novel dust removal and spray system of dust removal washing tower of coal charging and coke discharging ground station

Info

Publication number: CN215480712U
Application number: CN202121925380.1U
Authority: CN
Inventors: 蒋勤涛; 陈实; 张玲燕
Original assignee: Nanjing Shenghui Environmental Engineering Co ltd
Current assignee: Nanjing Shenghui Environmental Engineering Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-11
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a novel dust removal washing tower dust removal spraying system for a coal charging and coke discharging ground station, which comprises a coke quenching tank and a washing tower, wherein the coke quenching tank is communicated with the washing tower through a conveying system, the conveying system comprises a circulating water pump, the inlet end of the circulating water pump is communicated with the coke quenching tank through a water tank, the outlet of the circulating water pump is communicated with the top of the washing tower through a spraying pipeline, and the bottom of the spraying tower is provided with a water return pipeline communicated with the coke quenching tank; the utility model is provided with the double-support punching mesh for filtering coke particles, avoids damage to the impeller, prevents the spray head from being blocked by the spiral flow guide block, improves the spray flow rate, directly guides water from the coke quenching tank to the top of the washing tower for spraying, and is provided with the drain pipe of the coke quenching tank at the bottom of the washing tower, so that the reacted coke quenching water directly flows back to the coke quenching tank along the drain port, the circulating washing medium in the washing tower is always over 40 ℃, the energy is saved, and the purification effect is ensured.

Description

Novel dust removal and spray system of dust removal washing tower of coal charging and coke discharging ground station

Technical Field

The utility model relates to the technical field of flue gas dust removal, in particular to a novel dust removal spraying system of a dust removal washing tower of a coal charging and coke discharging ground station.

Background

The coke oven coal charging and coke discharging ground station dust removal washing tower, wherein the circulating washing medium adopts process ammonia water, the coal charging and coking flue gas enters the circulating washing medium through a pipeline for chemical reaction to generate salt substances which are easy to dissolve and difficult to volatilize, so that the coking flue gas is purified; however, after actual operation, the consumption of the circulating washing medium cannot keep up with the rate of the flue gas, the treatment efficiency can be improved by heating the circulating washing medium, and at present, two main schemes are provided: in the first scheme, the electric heating coil is used for heating the circulating washing medium, and the defects that the electric heating coil consumes too much electric energy, consumes a large amount of energy for treating flue gas, and does not accord with economic benefits and promotion of energy conservation; the second scheme is that the boiler steam is used for heating the circulating washing medium, and the defects are that the boiler steam is used as a reserve energy source of a coking plant, the boiler steam also participates in production, the boiler steam is just used by the boiler steam, too much surplus is not generated, the energy loss is increased in the two modes, and the dedusting cost is increased.

SUMMERY OF THE UTILITY MODEL

The technical purpose is as follows: aiming at the defects of high heating cost of the washing medium and poor flue gas dedusting effect of the existing washing tower, the utility model discloses a novel dedusting and spraying system of a coal-charging and coke-discharging ground station dedusting washing tower, which does not need additional heating and ensures stable temperature of the washing medium.

The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:

a novel dust removal and spray system for a dust removal and washing tower of a coal charging and coke discharging ground station comprises a coke quenching tank and a washing tower, wherein the coke quenching tank is communicated with the washing tower through a conveying system, the conveying system comprises a circulating water pump, the inlet end of the circulating water pump is communicated with the coke quenching tank through a water tank, the outlet of the circulating water pump is communicated with the top of the washing tower through a spray pipeline, the bottom of the spray tower is provided with a return water pipeline communicated with the coke quenching tank, water in the coke quenching tank is conveyed to the top of the washing tower through the water tank by the circulating water pump, flue gas is sprayed for dust removal, and finally the flue gas flows back into the coke quenching tank through the return water pipeline; the spraying pipeline is provided with a branch joint, the branch joint comprises a main joint, the main joint is arranged along the vertical direction, the main joint is connected with a plurality of branch joints along the vertical height direction, and the main joint is provided with a control valve for controlling the pipeline to be opened and closed.

Preferably, the upper part of the water tank is provided with a water inlet pipe, the bottom of the water inlet pipe extends into the quenching pool, and the port of the water inlet pipe is coated with gauze for filtering.

Preferably, the connection part of the water tank and the circulating water pump is provided with a double-support punching net, a fixed rod is arranged on one side of the double-support punching net, which is far away from the water tank, the fixed rod is arranged in parallel, and the double-support punching net is fixedly connected with the fixed rod through a screw.

Preferably, the spray pipeline of the utility model is provided with a flow guide block at the position close to the spray end, the flow guide block is provided with a flow guide groove for coke quenching water to pass through, and the flow guide block and the flow guide groove together form a spray header.

Preferably, the flow guide block comprises a flow guide column concentrically arranged with the spray pipeline, a spiral boss is arranged from one end of the flow guide column to the other end of the flow guide column along the same circumferential direction in the axial direction of the flow guide column, a spiral flow guide groove is formed between two adjacent sections of spiral bosses, and the coke quenching pool water flows out of the flow guide groove.

Has the advantages that: the novel dedusting and spraying system for the dedusting and washing tower of the coal charging and coke discharging ground station, provided by the utility model, has the following beneficial effects:

1. the utility model directly utilizes the water of the coke quenching tank to carry out dust removal spraying on the flue gas, sprays the flue gas from the top of the washing tower, finally reflows to the coke quenching tank from the bottom of the washing tower through the return pipeline, and circularly sprays the flue gas, so that the temperature is always kept to be more than 40 ℃, the coking flue gas is well purified, the energy is saved, and the purification effect is ensured.

2. According to the utility model, the double-support punching mesh is arranged at the joint of the water tank and the circulating water pump, so that large-particle coke is filtered, and the impeller is prevented from being damaged.

3. The spiral flow guide block is used for the spray head of the spray pipeline, so that the spray head can be prevented from being blocked by particles in the water of the quenching pool.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a block diagram of a tap joint of the present invention;

FIG. 4 is a structural view of a dual support punching mesh of the present invention;

fig. 5 is a perspective view of the deflector of the present invention;

the device comprises a circulating water pump 1, a water tank 2, a spray pipeline 3, a branch joint 4, a main joint 5, a branch joint 6, a control valve 7, a water inlet pipe 8, a double-support punching net 9, a fixing rod 10, a flow guide column 11 and a spiral boss 12.

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, without thereby limiting the scope of the utility model to the described embodiment.

As shown in fig. 1 and 2, the novel dust removal and washing tower dust removal spraying system for the coal charging and coke discharging ground station disclosed by the utility model comprises a coke quenching pool and a washing tower, wherein the coke quenching pool is communicated with the washing tower through a conveying system, the conveying system comprises a circulating water pump 1, an inlet end of the circulating water pump 1 is communicated with the coke quenching pool through a water tank 2, an outlet of the circulating water pump 3 is communicated with the top of the washing tower through a spraying pipeline 3, a water return pipeline communicated with the coke quenching pool is arranged at the bottom of the spraying tower, water in the coke quenching pool is conveyed to the top of the washing tower through the circulating water pump 1 through the water tank 2 to spray and remove dust from flue gas, and finally, the water returns to the coke quenching pool through the water return pipeline; the spraying pipeline 3 is provided with a branch joint 4, the structure is shown in fig. 3, the branch joint 4 comprises a main joint 5, the main joint 5 is arranged along the vertical direction, the main joint 5 is connected with a plurality of branch joints 6 along the vertical height direction, and the main joint 5 is provided with a control valve 7 for controlling the opening and closing of the pipeline.

The upper part of a water tank 2 is provided with a water inlet pipe 8, the bottom of the water inlet pipe 8 extends into a coke quenching pool, the port of the water inlet pipe 8 is coated with gauze for filtering, the head part of a pipeline is coated with the gauze, one end of the pipeline is inserted into the water of the coke quenching pool, the other end of the pipeline is connected to the top of the water tank 2, a circulating water pump 1 is connected with the bottom of the water tank 2, the water tank 2 is filled with water before operation, and the water of the coke quenching pool is conveyed to a spraying area of a washing tower through a pipeline.

The connection part of the water tank 2 and the circulating water pump 1 is provided with a double-support punching net 9, the structure is shown in figure 4, a fixing rod 10 is arranged on one side of the double-support punching net 9, which is away from the water tank, the fixing rod 10 is arranged in parallel, the double-support punching net 9 is fixedly connected with the fixing rod 10 through a screw, an impeller can be damaged due to the fact that a large number of coke particles are contained in the water of a coke quenching pool, and the double-support punching net is added into the water tank and used for filtering large-particle coke.

As shown in figure 5, in order to prevent the blockage of the spray head, the spray head adopts a flow guide block, a flow guide groove for coke quenching water to pass through is arranged on the flow guide block, the flow guide block comprises a flow guide column 11 which is concentric with a spray pipeline, a spiral boss 12 is arranged from one end to the other end of the flow guide column 11 along the same circumferential direction along the axial direction of the flow guide column, a spiral flow guide groove is formed between two adjacent sections of spiral bosses, and the coke quenching pool water spirally flows out of the flow guide groove for spraying, so that the blockage of the spray head can be avoided, and the flow rate is increased.

When the novel dust removal washing tower dust removal spraying system for the coal charging and coke discharging ground station is used, coke quenching pool water with the temperature of about 50 ℃ is used for washing waste gas generated in the coal pushing and coke discharging processes, four circulating water pumps 1 are moved to the edge of the coke quenching pool, water is filled in a water tank, the water is directly led from the coke quenching pool to the top of a washing tower through a water inlet pipe 8 on the water tank 2 for spraying, gauze is wrapped at the end part of the water inlet pipe 8 for primary filtering, then the coke quenching pool water enters the washing tower through a spraying pipeline, a spiral flow guide block is sprayed out to purify flue gas in the washing tower, then the coke quenching water with the reduced temperature is collected at the bottom of the washing tower and flows back to the coke quenching pool through a water return pipeline for circulation, the circulating washing medium in the washing tower can always reach more than 40 ℃ so as to well purify the coking flue gas, electric heating or steam heating is not needed, and energy is saved.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims

1. A novel dust removal and spray system for a dust removal washing tower of a coal charging and coke discharging ground station is characterized by comprising a coke quenching tank and a washing tower, wherein the coke quenching tank is communicated with the washing tower through a conveying system, the conveying system comprises a circulating water pump (1), the inlet end of the circulating water pump (1) is communicated with the coke quenching tank through a water tank (2), the outlet of the circulating water pump (1) is communicated with the top of the washing tower through a spray pipeline (3), a water return pipeline communicated with the coke quenching tank is arranged at the bottom of the spray tower, water in the coke quenching tank is conveyed to the top of the washing tower through the circulating water pump (1) through the water tank (2), flue gas is sprayed for dust removal, and finally, the flue gas flows back into the coke quenching tank through the water return pipeline; set up branch joint (4) on spray pipe way (3), branch joint (4) are including main joint (5), and main joint (5) set up along vertical direction, connect a plurality of branch joints (6) along vertical direction of height on main joint (5), are equipped with control valve (7) that are used for controlling the pipeline switching on main joint (5).

2. The dust-removing and spraying system of the novel dust-removing and washing tower of the coal-charging and coke-discharging ground station is characterized in that a water inlet pipe (8) is arranged at the upper part of the water tank (2), the bottom of the water inlet pipe (8) extends into a coke quenching pool, and gauze for filtering is coated at the port of the water inlet pipe (8).

3. The novel dedusting and spraying system for the dedusting and washing tower of the coal-charging and coke-discharging ground station as recited in claim 1, characterized in that the water tank (2) is provided with a double-support punching net (9) at the joint with the circulating water pump (1), the double-support punching net (9) is provided with a fixed rod (10) along the side away from the water tank, the fixed rod (10) is arranged in parallel, and the double-support punching net (9) is fixedly connected with the fixed rod (10) through a screw.

4. The novel dedusting and spraying system for the dedusting and washing tower of the coal-charging and coke-discharging ground station is characterized in that a flow guide block is arranged on the spraying pipeline (3) close to the spraying end, a flow guide groove for coke quenching water to pass through is formed in the flow guide block, and the flow guide block and the flow guide groove together form a spraying head.

5. The dust-removing and spraying system of the novel dust-removing and washing tower of the coal-charging and coke-discharging ground station is characterized in that the flow guide block comprises a flow guide column (11) concentrically arranged with the spraying pipeline, a spiral boss (12) is arranged from one end of the flow guide column to the other end of the flow guide column (11) along the same circumferential direction in the axial direction of the flow guide column, a spiral flow guide groove is formed between two adjacent sections of spiral bosses, and the water in the coke quenching pool flows out of the flow guide groove.