阅读说明：本技术 一种高炉煤气精脱硫一体化设备 (Blast furnace gas fine desulfurization integrated equipment ) 是由 程磊 刘成 林光章 林桂良 陈传华 刘剑忠 张世健 侯建亮 王星 刘栋 于 2020-07-10 设计创作，主要内容包括：本发明公开一种高炉煤气精脱硫一体化设备,包括釜体,釜体的一侧设有进气口,釜体的顶部设有出气口,釜体自底部依次向上设置的脱水器、滤板、横隔板、伞形帽、均压均流管、喷淋装置,横隔板将釜体分隔成两个部分,釜体的圆周方向上均匀排布有弯管结构,弯管结构连通釜体,横隔板的上方设有伞形帽,伞形帽与釜体之间设有水槽,均压均流管的一端与水槽连通,均压均流管的另一端设置在进气通道内,釜体的底部设有下排液口。把有机硫羰基硫(COS)从高炉煤气中转化为无机硫,然后通过把无机硫除掉,防止硫进入大气污染环境；一体式结构,具有结构紧凑、占地面积小、操作简洁、投资少、效率高的优势。(The invention discloses blast furnace gas fine desulfurization integrated equipment which comprises a kettle body, wherein one side of the kettle body is provided with an air inlet, the top of the kettle body is provided with an air outlet, a dehydrator, a filter plate, a transverse partition plate, an umbrella-shaped cap, a pressure-equalizing flow-equalizing pipe and a spraying device are sequentially and upwards arranged on the bottom of the kettle body, the transverse partition plate divides the kettle body into two parts, a bent pipe structure is uniformly distributed in the circumferential direction of the kettle body and communicated with the kettle body, the umbrella-shaped cap is arranged above the transverse partition plate, a water tank is arranged between the umbrella-shaped cap and the kettle body, one end of the pressure-equalizing flow-equalizing pipe is communicated with the water tank, the other end of the pressure-equalizing flow-equalizing pipe is arranged in. Organic sulfur carbonyl sulfide (COS) is converted into inorganic sulfur from blast furnace gas, and then the inorganic sulfur is removed to prevent the sulfur from entering the atmosphere to pollute the environment; the integrated structure has the advantages of compact structure, small occupied area, simple operation, low investment and high efficiency.)

1. The utility model provides a blast furnace gas fine desulphurization integration equipment which characterized in that: comprises a kettle body (1), wherein an air inlet (2) is arranged on one side of the kettle body (1), the air inlet (2) is perpendicular to the kettle body (1), an air outlet (3) is arranged at the top of the kettle body (1), the kettle body (1) is sequentially provided with an upward dehydrator (4), a filter plate (5), a transverse clapboard (6), an umbrella-shaped cap (7), a pressure-equalizing flow-equalizing pipe (8) and a spraying device (9) from the bottom, the kettle body (1) is divided into two parts by the transverse clapboard (6), elbow structures (10) are uniformly distributed in the circumferential direction of the kettle body (1), the elbow structures (10) are communicated with the kettle body (1), two ends of the elbow structures (10) are respectively arranged above the transverse clapboard (6) and below the transverse clapboard (6), the umbrella-shaped cap (7) is arranged above the transverse clapboard (6), and the umbrella-shaped cap (7) is fixed with the kettle body (1) through a support frame, form inlet channel (12) between umbrella-shaped cap (7) and cross slab (6), be equipped with basin (11) between umbrella-shaped cap (7) and the cauldron body (1), the one end and basin (11) the intercommunication of voltage-sharing flow-equalizing pipe (8), the other end setting of voltage-sharing flow-equalizing pipe (8) is in inlet channel (12), spray set (9) set up the top at umbrella-shaped cap (7), spray set (9) are including shower (9.1) of carrying alkali lye and atomizer (9.2) of setting on shower (9.1), the bottom of the cauldron body (1) is equipped with drain hole (13) down.

2. The integrated equipment for fine desulfurization of blast furnace gas according to claim 1, characterized in that: the diaphragm plate (6) is obliquely arranged.

3. The integrated equipment for fine desulfurization of blast furnace gas according to claim 2, characterized in that: an upper drainage port (15) is formed in the downward inclined end of the diaphragm plate (6).

4. The integrated equipment for fine desulfurization of blast furnace gas according to claim 1, characterized in that: a plurality of access holes (14) are arranged on the kettle body (1).

5. The integrated equipment for fine desulfurization of blast furnace gas according to claim 1, characterized in that: the uniform flow equalizing pipe (8) is of an S-shaped structure, the upper port of the uniform flow equalizing pipe (8) is communicated with the water tank (11), and the lower port of the uniform flow equalizing pipe (8) is arranged above the transverse partition plate (6).

Technical Field

The invention relates to the technical field of desulfurizing towers, in particular to a blast furnace gas fine desulfurization integrated device.

Background

The carbonyl sulfide (COS) in the blast furnace gas accounts for 60-70% of the total amount of the organic sulfur, the carbonyl sulfide is easy to corrode equipment, the service life of the equipment is shortened, environmental pollution is caused, the health of human is threatened, the poisoning of a downstream SO2 catalyst can be caused, and the production cost is increased. At present, no mature successful experience for removing carbonyl sulfide exists in China. With the increasingly strict requirements of the country on environmental protection, various research units are developing and researching the removal of carbonyl sulfide. The existing desulfurization device has the disadvantages of huge treatment equipment, high desulfurization cost, large occupied area and poor desulfurization effect.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a blast furnace gas fine desulfurization integrated device.

In order to achieve the purpose of the invention, the invention adopts the technical scheme that:

a blast furnace gas fine desulfurization integrated device comprises a kettle body, wherein an air inlet is arranged on one side of the kettle body and is perpendicular to the kettle body, an air outlet is arranged at the top of the kettle body, a dehydrator, a filter plate, a transverse partition plate, an umbrella-shaped cap, a pressure-equalizing flow-equalizing pipe and a spraying device are sequentially arranged on the kettle body from the bottom upwards, the kettle body is divided into two parts by the transverse partition plate, bent pipe structures are uniformly distributed in the circumferential direction of the kettle body and communicated with the kettle body, two ends of each bent pipe structure are respectively arranged above the transverse partition plate and below the transverse partition plate, the umbrella-shaped cap is arranged above the transverse partition plate and fixed with the kettle body through a support frame, an air inlet channel is formed between the umbrella-shaped cap and the transverse partition plate, a water tank is arranged between the umbrella-shaped cap and the kettle body, one end of the pressure-equalizing flow-equalizing pipe is communicated with the water tank, and the other end of the pressure-, the spraying device is arranged above the umbrella-shaped cap and comprises a spraying pipe for conveying alkali liquor and an atomizing nozzle arranged on the spraying pipe, and a lower liquid discharge port is arranged at the bottom of the kettle body.

Further, the diaphragm is obliquely arranged.

Furthermore, an upper drainage port is formed in the downward inclined end of the diaphragm plate.

Further, a plurality of access holes are formed in the kettle body.

Further, the uniform flow equalizing pipe is of an S-shaped structure, an upper port of the uniform flow equalizing pipe is communicated with the water tank, and a lower port of the uniform flow equalizing pipe is arranged above the transverse partition plate.

The invention has the beneficial effects that:

1. organic sulfur carbonyl sulfide (COS) is converted into inorganic sulfur from blast furnace gas, and then the inorganic sulfur is removed to prevent the sulfur from entering the atmosphere to pollute the environment;

2. within the unit, the organosulfur carbonyl sulfide (COS) is first converted to inorganic sulfur (H2S). Then inorganic sulfur (H2S) is converted into inorganic salt, and the sulfur-containing inorganic salt enters sintering through water treatment and is recycled;

3. the integrated structure has the advantages of compact structure, small occupied area, simple operation, low investment and high efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

reference symbol comparison table:

1. the device comprises a kettle body, 2 parts of an air inlet, 3 parts of an air outlet, 4 parts of a dehydrator, 5 parts of filter plates, 6 parts of a transverse partition plate, 7 parts of an umbrella-shaped cap, 8 parts of a pressure-equalizing flow-equalizing pipe, 9 parts of a spraying device, 10 parts of a bent pipe structure, 11 parts of a water tank, 12 parts of an air inlet channel, 13 parts of a lower drainage outlet, 14 parts of an access hole, 15 parts of an upper drainage outlet.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, 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.

As shown in fig. 1, a blast furnace gas fine desulfurization integrated device comprises a kettle body 1, wherein one side of the kettle body 1 is provided with an air inlet 2, the air inlet 2 is arranged perpendicular to the kettle body 1, the top of the kettle body 1 is provided with an air outlet 3, the kettle body 1 is provided with a dehydrator 4, a filter plate 5, a transverse partition plate 6, an umbrella-shaped cap 7, a pressure-equalizing flow-equalizing pipe 8 and a spraying device 9 which are sequentially arranged upwards from the bottom, the kettle body 1 is divided into two parts by the transverse partition plate 6, bent pipe structures 10 are uniformly distributed in the circumferential direction of the kettle body 1, the bent pipe structures 10 are communicated with the kettle body 1, two ends of each bent pipe structure 10 are respectively arranged above the transverse partition plate 6 and below the transverse partition plate 6, the umbrella-shaped cap 7 is arranged above the transverse partition plate 6, the umbrella-shaped cap 7 is fixed with the kettle body 1 through a support frame, an air inlet channel 12 is formed between the umbrella-shaped cap 7 and the transverse partition plate 6, a water channel 11, one end of the pressure-equalizing and flow-equalizing pipe 8 is communicated with the water tank 11, the other end of the pressure-equalizing and flow-equalizing pipe 8 is arranged in the air inlet channel 12, the spraying device 9 is arranged above the umbrella-shaped cap 7, the spraying device 9 comprises a spraying pipe 9.1 for conveying alkali liquor and an atomizing nozzle 9.2 arranged on the spraying pipe 9.1, and the bottom of the kettle body 1 is provided with a lower liquid discharge outlet 13.

The diaphragm 6 is arranged obliquely.

An upper drainage port 15 is arranged at the downward inclined end of the diaphragm plate 6.

A plurality of access holes 14 are arranged on the kettle body 1.

The uniform flow equalizing pipe 8 is of an S-shaped structure, the upper port of the uniform flow equalizing pipe 8 is communicated with the water tank 11, and the lower port of the uniform flow equalizing pipe 8 is arranged above the transverse partition plate 6.

In the device use, blast furnace gas passes through the air inlet and gets into the internal portion of cauldron, the air current upwards, continue upwards behind the dehydrator, pass the filter plate, get into the top of cross slab through the elbow structure, the air current continues the upward movement, through the bottom of umbrella-shaped cap, through the border between umbrella-shaped cap and the basin, the pressure of breaking suddenly water continues upwards, the air current reacts with the alkali lye contact that spray set sprayed down, the air current is discharged along the gas outlet, get into next step, and alkali lye after the reaction falls to the basin in, fall to cross slab department along the equal flow tube of voltage-sharing, discharge the neutralization water through last drain outlet. The device can rapidly and efficiently complete the removal of carbonyl sulfide.

The reaction principle is as follows: COS + H₂O＝H2S+CO₂,NaOH+H₂S＝NaS+H₂O。

Different reaction kettles can be designed according to the volume of the blast furnace, and the requirements of iron and steel enterprises of different scales for removing carbonyl sulfide are met.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.