CN200945414Y

CN200945414Y - High effective desulphurization device

Info

Publication number: CN200945414Y
Application number: CN 200620032276
Authority: CN
Inventors: 殷玉莲
Original assignee: 曲万山
Priority date: 2006-06-12
Filing date: 2006-06-12
Publication date: 2007-09-12
Anticipated expiration: 2016-06-12

Abstract

A high effective desulphurization device relates to a technical field for deactivating sulfur dioxide contained in factory discharging gas. The device comprises a shell of desulphurization device (1), an inlet pipe (2), a cooling water device (3), a smoke rectifier device (4), a feculence outlet (5), a spray system (6), a dehydration defog device (7), and an exhaust gas outlet (9), wherein the inlet pipe (2) is communicated with the shell of desulphurization device (1) from the top to the bottom; the cooling water device (3) is arranged upon the inlet pipe (2); the desulphurization device shell (1) and the inlet pipe (2) are respectively provided with the smoke rectifier device (4) and the dehydration defog device (7) from top to bottom to form a desulphurization reaction chamber therebetween. The spray system (6) is arranged on the top of the desulphurization reaction chamber. The exhaust gas outlet (9) is arranged on the top of the shell of desulphurization device (1). The feculence outlet (5) is arranged on the bottom of the shell of desulphurization device (1).

Description

A kind of high-efficiency desulfurization device

Technical field:

The utility model relates to the technical field that factory's emission gases is purified, and relates in particular to a kind of high-efficiency desulfurization device that purifies sulfur dioxide in flue gas.

Background technology:

At present, factory purifies the sulfur dioxide in the flue gas discharged from coal-fired boiler, generally adopts desulfurizing agent to carry out entering in the atmosphere after the desulfurization.Existing common wet desulfurizer, because the restriction of its architectural characteristic, desulfurization degree is about 90%, after adopting this device to the emission gases desulfurization, and then be discharged into gas in the atmosphere, still contain the sulfur dioxide about 10%, this sulfur dioxide of about 10% still can cause severe contamination to atmosphere, the problem of environmental pollution of China is more and more severeer at present, improvement to atmospheric environment is urgent day by day, if therefore a kind of desulfurizer can purify the sulfur dioxide in the discharged from coal-fired boiler gas as much as possible, the difficulty of environmental improvement will be reduced greatly, thereby the sulfur dioxide from source solution factory emission gases is to the pollution problem of atmospheric environment.

Summary of the invention:

For overcoming the desulfurizer of the prior art problem low, the utility model proposes a kind of high-efficiency desulfurization device to the purification efficiency of the sulfur dioxide in the emission gases.

For achieving the above object, the utility model adopts following technical scheme:

Described high-efficiency desulfurization device, it comprises: desulfurizer shell, air inlet pipe, chilled water unit, the flue gas fairing, the dirt scavenge port, spray equipment, dehydrating demisting device, exhanst gas outlet, wherein, air inlet pipe is led to the bottom in the desulfurizer shell from the top of desulfurizer shell, and chilled water unit is arranged on the top in the air inlet pipe; From bottom to top be respectively arranged with flue gas fairing and dehydrating demisting device between desulfurizer shell and the air inlet pipe, form reative cell between flue gas fairing and the dehydrating demisting device, the top of reative cell is provided with spray equipment; Exhanst gas outlet is arranged on the top of desulfurizer shell, and the dirt scavenge port is arranged on the bottom of desulfurizer shell; After flue gas to be clean enters in the air inlet pipe, earlier by the cooling of chilled water unit water spray, after passing to desulfurizer inside, earlier via the rectification of flue gas fairing, enter reative cell again, its sulfur dioxide that contains is after the desulfurizing agent of reative cell and spray equipment ejection fully reacts, and the flue gas after the desulfurization rises to dehydrating demisting device and removes moisture, discharges desulfurizer by exhanst gas outlet; Dust in the flue gas, the product after the desulfurization and water are discharged through the dirt scavenge port of bottom.

Described high-efficiency desulfurization device is characterized in that: also comprise cleaning device, be arranged at the top of dehydrating demisting device.

Described high-efficiency desulfurization device is characterized in that: described flue gas fairing be place between desulfurizer shell and the air inlet pipe, the partition board plate of uniform cellular hexagonal hole.

Described high-efficiency desulfurization device is characterized in that: described dehydrating demisting device is made up of the multi-disc corrugated plating of vertical arrangement, and the bottom of every corrugated plating is the pliciform ripple, and top is fine and closely woven zigzag ripple.

Described high-efficiency desulfurization device is characterized in that: inclined-plane or the curved surface of the bottom of high-efficiency desulfurization device for tilting to the dirt scavenge port.

Owing to adopt aforesaid technical scheme, the utlity model has following superiority:

High-efficiency desulfurization device of the present utility model, wherein the flue gas that uniform cellular hexagonal hole is arranged into air inlet pipe on the flue gas fairing carries out rectification, be distributed in the reative cell equably after making flue gas by the flue gas fairing, thereby the desulfurizing agent by the spray equipment ejection can fully react with sulfur in smoke, thereby desulfurization degree is reached more than 99%; In addition, the pliciform ripple of the corrugated plating bottom of described dehydrating demisting device can make gas pass through slowly, thereby make condensation vapor in the gas in the corrugated plating bottom, the zigzag ripple on top can make the water smoke in the gas further condense in the top of corrugated plating, thereby the gas water content of discharge is reduced as far as possible, avoid near the weather environment factory is impacted.

Description of drawings:

Fig. 1 is the structural representation of the utility model high-efficiency desulfurization device;

Fig. 2 is the schematic top plan view of flue gas fairing in the utility model high-efficiency desulfurization device;

Fig. 3 is that the side of dehydrating demisting device is cutd open and shown schematic diagram in the utility model high-efficiency desulfurization device.

Among the figure: 1-desulfurizer shell; The 2-air inlet pipe; The 3-chilled water unit; 4-flue gas fairing; 5-dirt scavenge port; The 6-spray equipment; The 7-dehydrating demisting device; The 8-cleaning device; The 9-exhanst gas outlet; The cellular hexagonal hole of 10-; 11-zigzag ripple; 12-pliciform ripple.

Specific embodiment:

Fig. 1 is the structural representation of the utility model high-efficiency desulfurization device, and as shown in the figure, it comprises: desulfurizer shell 1, air inlet pipe 2, chilled water unit 3, flue gas fairing 4, dirt scavenge port 5, spray equipment 6, dehydrating demisting device 7, cleaning device 8 and exhanst gas outlet 9.

Described air inlet pipe 2 is led to the bottom in the desulfurizer shell 1 from the top of desulfurizer shell 1, chilled water unit 3 is arranged on the top in the air inlet pipe 2, when the flue gas of high temperature passed through air inlet pipe 2,3 pairs of flue gases sprays of chilled water unit cooling water temperature made flue-gas temperature reduce to 80～90 ℃.

Flue gas fairing 4 and dehydrating demisting device 7 from bottom to top are arranged between desulfurizer shell 1 and the air inlet pipe 2, form reative cell between flue gas fairing 4 and the dehydrating demisting device 7, and the top of reative cell is provided with spray equipment 6; Figure 2 shows that the schematic top plan view of flue gas fairing in the utility model high-efficiency desulfurization device, as seen in Fig., flue gas fairing 4 is the partition board plate of uniform cellular hexagonal hole 10, the thickness of the pore size of hexagonal hole 10 and partition board plate is that the flow velocity according to flue gas designs, when flue gas flow rate is very fast, for making the smoke distribution that enters in the reative cell even, but the reduced bore design, and with the thickness thickening of partition board plate; When flue gas flow rate is slow, the big and partition board plate of thin thickness in the aperture that can select hexagonal hole 10 for use.After flue gas to be clean passes to desulfurizer shell 1 inside by air inlet pipe 2, earlier carry out rectification via cellular hexagonal hole uniform on the flue gas fairing 4 10, the smoke distribution that enters reative cell is uniformly, and the desulfurizing agent of spray equipment 6 ejections can fully react with the sulfur in smoke that is evenly distributed in the reative cell.

Sulfur dioxide is after the desulfurizing agent of reative cell and spray equipment 6 ejections fully reacts, the flue gas of removing sulfur dioxide rises to dehydrating demisting device 7 and removes moisture, Fig. 3 is that the side of dehydrating demisting device is cutd open and shown schematic diagram in the utility model high-efficiency desulfurization device, as shown in the figure, described dehydrating demisting device 7 is made up of the multi-disc corrugated plating of vertical arrangement, the bottom of every corrugated plating is bigger pliciform ripple 12, and top is fine and closely woven zigzag ripple 11; The pliciform ripple 12 of corrugated plating bottom can make gas pass through slowly, thereby make condensation vapor in the gas in the corrugated plating bottom, the zigzag ripple 11 on top can make the water smoke in the gas further condense in the top of corrugated plating, thereby makes flue gas pass through to reduce moisture as much as possible behind the corrugated plating.

Exhanst gas outlet 9 is arranged on the top of desulfurizer shell 1, discharges desulfurizer through the flue gas after desulfurization and the dehumidifying via exhanst gas outlet 9; Dirt scavenge port 5 is arranged on the bottom of high-efficiency desulfurization crust of the device 1, and the dust in the flue gas, the product after the desulfurization and water are discharged to outside the desulfurizer through dirt scavenge port 5; In addition, the bottom of the utility model high-efficiency desulfurization crust of the device 1 is the inclined-plane or the curved surface that tilt to dirt scavenge port 5, is convenient to dirt and discharges desulfurizer.

In addition, as shown in Figure 1, the utility model high-efficiency desulfurization device also comprises cleaning device 8, is arranged at the top of dehydrating demisting device, is used to spray the thing that sticks on the cleaning agent cleaning and dewatering demister corrugated siding; Cleaning device 8 is not opened when flat, only just opens when needs cleaning and dewatering demister corrugated siding, and the sewage after the cleaning drops down onto the desulfurizer bottom after discharged outside the desulfurizers by dirt scavenge port 5.

Because architectural characteristic of the present utility model, its floor space is little, is widely used in the transformation and the new power plant construction project of old power plant.Power plant, Jiaozhuo 2 * 75t/n, 1 * 150t/n coal-burning boiler adopt high-efficiency desulfurization device of the present utility model that the combustion product gases of its discharge is carried out desulfurizing and purifying, detect through Jiaozuo City Environmental Protection Agency measuring station, desulfurization degree reaches 99.5%, move after 1 year, the result who detects is constant, whole high-efficiency desulfurization device operation is normal, and desulfuration efficiency is very stable.

Claims

1, a kind of high-efficiency desulfurization device, it is characterized in that: comprising: desulfurizer shell (1), air inlet pipe (2), chilled water unit (3), flue gas fairing (4), dirt scavenge port (5), spray equipment (6), dehydrating demisting device (7), exhanst gas outlet (9), wherein, air inlet pipe (2) is led to the bottom in the desulfurizer shell (1) from the top of desulfurizer shell (1), and chilled water unit (3) is arranged on the top in the air inlet pipe (2); From bottom to top be respectively arranged with flue gas fairing (4) and dehydrating demisting device (7) between desulfurizer shell (1) and the air inlet pipe (2), form reative cell between flue gas fairing (4) and the dehydrating demisting device (7), the top of reative cell is provided with spray equipment (6); Exhanst gas outlet (9) is arranged on the top of desulfurizer shell (1), and dirt scavenge port (5) is arranged on the bottom of desulfurizer shell (1).

2, high-efficiency desulfurization device as claimed in claim 1 is characterized in that: also comprise cleaning device (8), be arranged at the top of dehydrating demisting device (7).

3, high-efficiency desulfurization device as claimed in claim 1 is characterized in that: described flue gas fairing (4) for place between desulfurizer shell (1) and the air inlet pipe (2), the partition board plate of uniform cellular hexagonal hole (10).

4, high-efficiency desulfurization device as claimed in claim 1 is characterized in that: described dehydrating demisting device is made up of the multi-disc corrugated plating of vertical arrangement, and the bottom of every corrugated plating is pliciform ripple (12), and top is fine and closely woven zigzag ripple (11).

5, high-efficiency desulfurization device as claimed in claim 1 is characterized in that: inclined-plane or the curved surface of the bottom of high-efficiency desulfurization device for tilting to dirt scavenge port (5).