CN219252180U

CN219252180U - Flue gas desulfurization device

Info

Publication number: CN219252180U
Application number: CN202320308544.9U
Authority: CN
Inventors: 高琪; 高翔; 程城
Original assignee: Chibi Shenshan Science And Technology Materials Co ltd
Current assignee: Chibi Shenshan Science And Technology Materials Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-27
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to the technical field of smoke purification treatment, in particular to a flue gas desulfurization device which comprises a smoke inlet pipe, a desulfurization box, a water pump, a first smoke exhaust pipe, two inclined plates, a second smoke exhaust pipe, a communicating pipe, a water pipe and a calciner; two ends of the smoke inlet pipe are respectively connected with the calciner and the desulfurization box, and the smoke inlet pipe is provided with an air pump; a liquid outlet pipe is arranged on the desulfurization box, and a smoke outlet is arranged at the upper end of the desulfurization box; the first smoke exhaust pipe and the second smoke exhaust pipe are distributed in the desulfurization box side by side, and the first smoke exhaust pipe and the second smoke exhaust pipe have the same structure; an annular bin is arranged in the second smoke exhaust pipe; the bottom surface of the annular bin is provided with a plurality of air outlet holes; two ends of the communicating pipe are respectively communicated with the first smoke exhaust pipe and the second smoke exhaust pipe, and the communicating pipe is connected with one end of the smoke inlet pipe extending into the desulfurization box; the two inclined plates are arranged in the desulfurization box, and a plurality of nozzles are arranged on the bottom surface of each inclined plate; the water pump is arranged in the desulfurization box; two ends of the water pipe are respectively connected with a water pump and a plurality of nozzles. The utility model is convenient for fully cleaning sulfur-containing flue gas.

Description

Flue gas desulfurization device

Technical Field

The utility model relates to the technical field of smoke purification treatment, in particular to a flue gas desulfurization device.

Background

When the industrial petroleum coke is calcined, a large amount of toxic smoke is generated, and the toxic smoke is generally subjected to desulfurization treatment so as to reach the standard of the external emission of industrial waste gas. At present, in order to cope with increasingly serious environmental pollution, especially atmospheric pollution, people are very important in treating industrial waste gas, in the prior art, atomized lime slurry is generally adopted to contact with flue gas in a spray drying tower, the lime slurry reacts with sulfur dioxide to generate a dry solid reactant, and finally, the immobilized matter is collected, so that the operation treatment efficiency is low, the operation cost is higher, and secondary pollution can be caused if the operation is improper.

The Chinese patent with the authorized bulletin number of CN213160142U discloses a flue gas desulfurization device of a carbon calciner, which comprises a desulfurization tower body, wherein the top of the desulfurization tower body is provided with an air outlet, the lower side of the desulfurization tower body is respectively connected with an air inlet pipe and a liquid outlet pipe, a spiral channel is connected in the desulfurization tower body, the lower end of the spiral channel is connected with a sealed air guide hopper, the top surface of the inner wall of the spiral channel is connected with a plurality of alkali liquor spray pipes, and the lower end of the alkali liquor spray pipes is connected with a plurality of high-pressure spray heads; an alkali liquor tank filled with alkali liquor is arranged at the outer side of the desulfurization tower body, and the alkali liquor tank is connected with an alkali liquor spray pipe through an alkali liquor pump. In the device, sulfur-containing flue gas fully contacts alkali liquor when passing through the spiral channel, so that the contact surface is enlarged, the contact time is prolonged, and the desulfurization quality is further improved.

But above-mentioned device only can clear up the reaction to the sulfur-containing flue gas at spiral passageway, and the contact between sulfur-containing flue gas and the alkali lye is insufficient, can not carry out abundant cleanness to the sulfur-containing flue gas, and the practicality of device is relatively poor.

Disclosure of Invention

The utility model aims at solving the problems in the background technology and provides a flue gas desulfurization device which is convenient for fully cleaning sulfur-containing flue gas.

The technical scheme of the utility model is as follows: a flue gas desulfurization device comprises a flue gas inlet pipe, a desulfurization box, a water pump, a first flue gas discharge pipe, two inclined plates, a second flue gas discharge pipe, a communicating pipe, a water pipe and a calciner;

two ends of the smoke inlet pipe are respectively connected with the calciner and the desulfurization box, and the smoke inlet pipe is provided with an air pump; a liquid outlet pipe is arranged on the desulfurization box, and a smoke outlet is arranged at the upper end of the desulfurization box;

the first smoke exhaust pipe and the second smoke exhaust pipe are distributed in the desulfurization box side by side, and the first smoke exhaust pipe and the second smoke exhaust pipe have the same structure; the second smoke exhaust pipe is an annular pipe, and an annular bin is arranged in the second smoke exhaust pipe; the bottom surface of the annular bin is provided with a plurality of air outlet holes; two ends of the communicating pipe are respectively communicated with the first smoke exhaust pipe and the second smoke exhaust pipe, and the communicating pipe is connected with one end of the smoke inlet pipe extending into the desulfurization box;

the two inclined plates are arranged in the desulfurization box, each inclined plate is provided with a plurality of through holes, and the bottom surface of each inclined plate is provided with a plurality of nozzles;

the water pump is arranged in the desulfurization box; two ends of the water pipe are respectively connected with a water pump and a plurality of nozzles.

Preferably, the device also comprises a cooling box and a temperature display; the cooling box is positioned between the calciner and the desulfurization box; the temperature display is arranged on the cooling box; the middle part of the smoke inlet pipe penetrates through the cooling box.

Preferably, the filter further comprises a first filter screen; the first filter screen is arranged in the desulfurization box and is positioned below the first smoke exhaust pipe and the second smoke exhaust pipe; a slag discharging pipe is arranged on the desulfurization box; the slag discharging pipe is positioned at the first filter screen.

Preferably, the water pump is located below the first filter screen.

Preferably, the filter further comprises a second filter screen; the second filter screen is arranged at the air outlet end of the air outlet.

Preferably, the second filter screen is detachably mounted on the smoke outlet.

Preferably, the inner diameter of the smoke outlet gradually decreases in a vertically upward direction.

Preferably, each through hole is disposed obliquely.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects:

the sulfur-containing flue gas in the calciner is led into the desulfurization box through the air pump and the smoke inlet pipe, the sulfur-containing flue gas is led into the alkali liquor through a plurality of air outlet holes on the first smoke outlet pipe and the second smoke outlet pipe, and the sulfur-containing flue gas is led out through the plurality of air outlet holes, so that the sulfur-containing flue gas is uniformly distributed in the alkali liquor and fully reacts with the alkali liquor, and the sulfur removal operation is realized; then when the flue gas after sulfur removal is upward, the water pump and the water pipe spray the alkali liquor downward through a plurality of nozzles, so that the alkali liquor and the gas are contacted again for reaction, and a re-cleaning function is realized; the collision interception of particles in the gas is realized by the two inclined plates and the inner wall of the smoke outlet, and the cleaning capability of the gas is further improved.

The user puts liquid into the cooling box, and then absorbs heat in the smoke by the liquid in the smoke inlet pipe in the smoke flowing process, so that the temperature of the smoke is reduced, the temperature rise in the desulfurization box caused by high-temperature smoke is avoided, and the safety of the device is improved; meanwhile, the detection end of the temperature display stretches into the liquid to detect the temperature of the liquid, the detection result is displayed on the temperature display, and then the temperature of the liquid in the cooling box is detected, so that the liquid can be replaced in time or cooled.

Drawings

Fig. 1 is a front cross-sectional view of the present utility model.

Fig. 2 is an enlarged partial schematic view at a in fig. 1.

Reference numerals: 1. a cooling box; 2. a temperature display; 3. a smoke inlet pipe; 4. a desulfurization tank; 5. a water pump; 6. a first filter screen; 7. a liquid outlet pipe; 8. a slag discharging pipe; 9. a first smoke exhaust pipe; 10. a sloping plate; 1001. a through hole; 11. a smoke outlet; 12. a second filter screen; 13. a nozzle; 14. a second smoke exhaust pipe; 1401. an annular bin; 1402. an air outlet hole; 15. a communicating pipe; 16. a calciner.

Detailed Description

Example 1

As shown in fig. 1-2, the flue gas desulfurization device provided by the utility model comprises a flue gas inlet pipe 3, a desulfurization box 4, a water pump 5, a first flue gas discharge pipe 9, two inclined plates 10, a second flue gas discharge pipe 14, a communicating pipe 15, a water pipe and a calciner 16.

Two ends of the smoke inlet pipe 3 are respectively connected with the calciner 16 and the desulfurization box 4, and the smoke inlet pipe 3 is provided with an air pump; the desulfurization box 4 is provided with a liquid outlet pipe 7, the upper end of the desulfurization box 4 is provided with a smoke outlet 11, and the desulfurization box 4 contains alkali liquor which reacts with sulfur-containing smoke; the inner diameter value of the smoke outlet 11 is gradually reduced along the vertical upward direction, so that particles contained in the smoke are conveniently blocked, and the discharged gas is cleaner; a second filter screen 12; the second filter screen 12 is arranged at the air outlet end of the smoke outlet 11, and the cleaned air is cleaned again through the second filter screen 12, so that the practicability of the device is further improved; the second filter 12 is detachably mounted on the smoke outlet 11, so that the second filter 12 can be conveniently detached and mounted.

The first smoke exhaust pipe 9 and the second smoke exhaust pipe 14 are distributed in the desulfurization box 4 side by side, and the first smoke exhaust pipe 9 and the second smoke exhaust pipe 14 have the same structure; the second smoke exhaust pipe 14 is an annular pipe, and an annular bin 1401 is arranged in the second smoke exhaust pipe 14; the bottom surface of the annular bin 1401 is provided with a plurality of air outlet holes 1402; two ends of the communicating pipe 15 are respectively communicated with the first smoke exhaust pipe 9 and the second smoke exhaust pipe 14, and the communicating pipe 15 is connected with one end of the smoke inlet pipe 3 extending into the desulfurization box 4.

Two inclined plates 10 are arranged in the desulfurization box 4, a plurality of through holes 1001 are formed in each inclined plate 10, and a plurality of nozzles 13 are formed in the bottom surface of each inclined plate 10; each through hole 1001 is obliquely arranged, and the inner wall of the obliquely arranged through hole 1001 collides with the gas, so that particles contained in the gas can collide and fall off, and the particles in the gas are removed; also comprises a first filter screen 6; the first filter screen 6 is arranged in the desulfurization box 4, and the first filter screen 6 is positioned below the first smoke exhaust pipe 9 and the second smoke exhaust pipe 14; the desulfurization box 4 is provided with a slag discharging pipe 8; the slag tapping pipe 8 is positioned at the first filter screen 6.

The water pump 5 is arranged in the desulfurization box 4, and the water pump 5 is positioned below the first filter screen 6; the two ends of the water pipe are respectively connected with the water pump 5 and the plurality of nozzles 13.

In the utility model, when in use, sulfur-containing flue gas in the calciner 16 is led into the desulfurization box 4 through the air pump and the smoke inlet pipe 3, the sulfur-containing flue gas is led into alkali liquor through the plurality of air outlet holes 1402 on the first smoke outlet pipe 9 and the second smoke outlet pipe 14, and the sulfur-containing flue gas is led out through the plurality of air outlet holes 1402, so that the sulfur-containing flue gas is uniformly distributed in the alkali liquor and fully reacts with the alkali liquor, and the sulfur removal operation is realized; then when the flue gas after sulfur removal is upward, the water pump 5 and the water pipe spray the alkali liquor downward through the plurality of nozzles 13, so that the alkali liquor is contacted and reacted with the gas again, and the cleaning function is realized again; the collision interception of particles in the gas is realized by the two inclined plates 10 and the inner wall of the smoke outlet 11, and the cleaning capability of the gas is further improved.

Example two

As shown in fig. 1, compared with the first embodiment, the flue gas desulfurization apparatus according to the present utility model further includes a cooling box 1 and a temperature display 2; the cooling box 1 is positioned between the calciner 16 and the desulfurization box 4; the temperature display 2 is arranged on the cooling box 1; the middle part of the smoke inlet pipe 3 passes through the cooling box 1.

In the embodiment, when in use, a user puts liquid into the cooling box 1, and then absorbs heat in the smoke by the liquid in the smoke inlet pipe 3 in the smoke circulation process, so that the temperature of the smoke is reduced, the temperature rise in the desulfurization box 4 caused by high-temperature smoke is avoided, and the safety of the device is improved; meanwhile, the detection end of the temperature display 2 stretches into the liquid to detect the temperature of the liquid, the detection result is displayed on the temperature display 2, and then the temperature of the liquid in the cooling box 1 is detected, so that the liquid can be replaced in time or cooled.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The flue gas desulfurization device is characterized by comprising a flue gas inlet pipe (3), a desulfurization box (4), a water pump (5), a first flue gas discharge pipe (9), two inclined plates (10), a second flue gas discharge pipe (14), a communicating pipe (15), a water pipe and a calciner (16);

two ends of the smoke inlet pipe (3) are respectively connected with a calciner (16) and a desulfurization box (4), and a suction pump is arranged on the smoke inlet pipe (3); a liquid outlet pipe (7) is arranged on the desulfurization box (4), and a smoke outlet (11) is arranged at the upper end of the desulfurization box (4);

the first smoke exhaust pipe (9) and the second smoke exhaust pipe (14) are distributed in the desulfurization box (4) side by side, and the first smoke exhaust pipe (9) and the second smoke exhaust pipe (14) have the same structure; the second smoke exhaust pipe (14) is an annular pipe, and an annular bin (1401) is arranged in the second smoke exhaust pipe (14); the bottom surface of the annular bin (1401) is provided with a plurality of air outlet holes (1402); two ends of a communicating pipe (15) are respectively communicated with the first smoke exhaust pipe (9) and the second smoke exhaust pipe (14), and the communicating pipe (15) is connected with one end of the smoke inlet pipe (3) extending into the desulfurization box (4);

two inclined plates (10) are arranged in the desulfurization box (4), a plurality of through holes (1001) are formed in each inclined plate (10), and a plurality of nozzles (13) are formed in the bottom surface of each inclined plate (10);

the water pump (5) is arranged in the desulfurization box (4); two ends of the water pipe are respectively connected with a water pump (5) and a plurality of nozzles (13).

2. A flue gas desulfurization device according to claim 1, further comprising a temperature reduction box (1) and a temperature display (2); the cooling box (1) is positioned between the calciner (16) and the desulfurization box (4); the temperature display (2) is arranged on the cooling box (1); the middle part of the smoke inlet pipe (3) passes through the interior of the cooling box (1).

3. A flue gas desulfurization device according to claim 1, further comprising a first filter screen (6); the first filter screen (6) is arranged in the desulfurization box (4), and the first filter screen (6) is positioned below the first smoke exhaust pipe (9) and the second smoke exhaust pipe (14); a slag discharging pipe (8) is arranged on the desulfurization box (4); the slag discharging pipe (8) is positioned at the first filter screen (6).

4. A flue gas desulfurization device according to claim 3, characterized in that the water pump (5) is located below the first filter screen (6).

5. A flue gas desulfurization device according to claim 1, further comprising a second filter screen (12); the second filter screen (12) is arranged at the air outlet end of the smoke outlet (11).

6. A flue gas desulfurization device according to claim 5, wherein the second filter screen (12) is detachably mounted to the flue gas outlet (11).

7. A flue gas desulfurization device according to claim 1, wherein the inner diameter of the flue gas outlet (11) is gradually reduced in a vertically upward direction.

8. A flue gas desulfurization device according to claim 1, wherein each through-hole (1001) is provided obliquely.