CN201930671U - Horizontally arranged pretreatment device for flue gas desulfurization of sintering machine - Google Patents
Horizontally arranged pretreatment device for flue gas desulfurization of sintering machine Download PDFInfo
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- CN201930671U CN201930671U CN2011200255623U CN201120025562U CN201930671U CN 201930671 U CN201930671 U CN 201930671U CN 2011200255623 U CN2011200255623 U CN 2011200255623U CN 201120025562 U CN201120025562 U CN 201120025562U CN 201930671 U CN201930671 U CN 201930671U
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- gas
- demister
- disturbance
- main box
- flue gas
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Abstract
The utility model discloses a horizontally arranged pretreatment device for flue gas desulfurization of a sintering machine. The device consists of a box body, a gas-liquid disturbance spray device and a demister, and is characterized in that: the box body is horizontal; a water collection tank is arranged below the main box body; the gas-liquid disturbance spray device and the demister are transversely arranged in the main box body; the gas-liquid disturbance spray device consists of a transverse gas flow disturbance spray device and a longitudinal gas flow disturbance spray device which are arranged crosswise; the transverse gas flow disturbance spray device of the gas-liquid disturbance spray device is positioned on one side close to a gas inlet, and no gap is formed between the transverse gas flow disturbance spray device and the longitudinal gas flow disturbance spray device; spray holes are uniformly distributed at the lower end of the transverse gas flow disturbance spray device; the lower end of the demister is provided with the water collection tank; and the collected water is returned to a tower through a return pipe. The device has the advantages that: a part of flue dust, HCl, HF and SO3 in the gas can be removed through the device, the corrosion of a desulfurizing tower is reduced, the quality of byproducts is improved, spray water can be recycled, and discharged sewage can be comprehensively utilized; the requirements of national cyclic economy are met; and the pretreatment device is suitable for flue gas desulfurization of various sintering machines.
Description
Technical field
The utility model belongs to fume treatment auxiliary, particularly a kind of pretreatment unit that is used for flue gas of sintering machine.
Background technology
At present, flue gas desulfur device is widely used aspect industrial flue gas cleaning, generally is to adopt alkaline absorption solution spray flue gas, makes flue dust and SO
3Together enter absorption liquid, thereby purify flue gas.Adopt desulfurizing tower as existing flue gas of sintering machine more, to complicated component, flow, the flue gas that temperature fluctuation is bigger are not done classification and are handled, directly the non-sulphur composition in the flue gas is together sent into desulfurizing tower carries out desulfurization and dedusting, therefore, and after the flue gas desulfurization, as utilize waste liquid to produce byproduct---magnesium sulfate, magnesium sulfite, then purity is not enough, quality is not high, and simultaneously, non-sulphur composition can produce certain corrosion to flue gas desulfur device.
Summary of the invention
The purpose of this utility model is, designs and produces a kind of horizontally disposed flue gas of sintering machine pretreatment unit, utilizes water as release agent, and flue gas is sprayed, lowers the temperature, and removes part flue dust in the flue gas and HCl, HF, SO
2Deng composition, and then flue gas is sent into desulfurizing tower carry out sulfur removal technology,, reduce the corrosion of flue gas desulfurizer to improve the quality and the purity of byproduct.Adopt horizontally disposed technological process, but the structure of simplification device structure.
The technical solution of the utility model is, a kind of horizontally disposed flue gas of sintering machine pretreatment unit, form by casing, gas-liquid disturbance spray equipment and demister, casing is horizontal, be made up of main box, smoke inlet loudspeaker, exhanst gas outlet loudspeaker and water leg, main box one end is the smoke inlet loudspeaker, and the other end is the exhanst gas outlet loudspeaker, the bottom of main box is provided with water leg, and horizontally-arranged is arranged gas-liquid disturbance spray equipment and demister in main box.
Gas-liquid disturbance spray equipment is made up of horizontal and vertical flow perturbation device cross arrangement, there is not the gap therebetween, be arranged on the joining place of interior smoke inlet loudspeaker of casing and main box, the crossflow disturbance device is positioned near smoke inlet one side, spray apertures is distributed in crossflow disturbance device lower end, the spray piping of gas-liquid disturbance spray equipment links to each other with crossflow disturbance device side, connects the shower water circulating pump of water leg below simultaneously.
Demister is made up of demister, receipts tank, backwash water pipe, is arranged on the joining place of exhanst gas outlet loudspeaker and main box, and the backwash water pipe lower end of demister is connected with backwash pump.
Water leg is provided with backwashing water return duct, overflow pipe, blow-down pipe, replenishes water pipe, chlorion monitoring device.
Be provided with temperature sensor at smoke inlet loudspeaker place and exhanst gas outlet loudspeaker place.
Be provided with corrosion-inhibiting coating in the casing, gas-liquid disturbance spray equipment adopts corrosion resisting alloy to make.
The utility model has the advantages that this device adopts horizontally disposed technological process, but the structure of simplification device structure, and it is little to take up room, and is convenient to processing and manufacturing.Can remove the flue dust of 75% in the flue gas and 98% HCl, HF, 50% SO
3By pretreatment unit, reduced corrosion to desulfurizing tower, improved the quality of byproduct.Shower water can recycle, and the sewage of discharging can be done boiler ash and handle water.Meet the requirement of national recycling economy.
Be applicable to the pretreatment unit that various flue gas of sintering machine purify.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is a kind of horizontally disposed flue gas of sintering machine pretreatment unit organigram of the present utility model
Among the figure, 1-main box, 2-smoke inlet loudspeaker, 3-exhanst gas outlet loudspeaker, 4-water leg, 5-crossflow disturbance device, 6-longitudinal air flow disturbance device, 7-spray piping, 8-shower water circulating pump, 9-demister, 10-receive tank, 11-backwash water pipe, 12-backwash pump, 13-backwashing water return duct, 14-overflow pipe, 15-blow-down pipe, the additional water pipe of 16-, 17-chlorion monitoring device, 18-temperature sensor
The specific embodiment
As seen from Figure 1, a kind of horizontally disposed flue gas of sintering machine pretreatment unit, form by casing, gas-liquid disturbance spray equipment and demister, casing is horizontal, is made up of main box 1, smoke inlet loudspeaker 2, exhanst gas outlet loudspeaker 3 and water leg 4, and casing one end is the smoke inlet loudspeaker, the other end is the exhanst gas outlet loudspeaker, the bottom of casing is provided with water leg, and horizontally-arranged is arranged gas-liquid disturbance spray equipment and demister in casing
Gas-liquid disturbance spray equipment is made up of crossflow disturbance device 5 and longitudinal air flow disturbance device 6 cross arrangements, there is not the gap therebetween, be arranged on the joining place of interior smoke inlet loudspeaker of casing and main box, the crossflow disturbance device is positioned near smoke inlet one side, spray apertures is distributed in crossflow disturbance device lower end, the spray piping 7 of gas-liquid disturbance spray equipment links to each other with crossflow disturbance device side, connects the shower water circulating pump 8 of water leg below simultaneously.
Demister is made up of demister 9, receipts tank 10, backwash water pipe 11, is arranged on the joining place of exhanst gas outlet loudspeaker and main box, and the backwash water pipe lower end of demister is connected with backwash pump 12.
Water leg is provided with backwashing water return duct 13, overflow pipe 14, blow-down pipe 15, replenishes water pipe 16, chlorion monitoring device 17, is provided with temperature sensor 18 at smoke inlet loudspeaker and exhanst gas outlet loudspeaker place.
Operation principle of the present utility model and using method be, flue gas enters before the desulfurizing tower, is introduced into this pretreatment unit, and under the acting in conjunction of gas-liquid disturbance device and shower water spray, flue gas is evenly distributed and temperature reduces flue dust and section H CI, HF, SO
3Molecule enters in the shower water.The demister that exhanst gas outlet pipeline section place is provided with is controlled unnecessary composition better and is entered desulfurizing tower.
Circulation in the shower water, the chlorine ion concentration of water constantly increases, when the chlorine ion concentration that records water when the chlorion monitoring device reaches 20000ppm, the recirculated water valve is closed in linkage control, open the sewage discharge valve, sewage effluent continues it, open clear water and replenish tube valve, in pipe, replenish clear water, keep the quantity of circulating water of spray, simultaneously, regulate the pH value of water, reduce chlorine ion concentration.When temperature sensor records the cigarette temperature when too high, also can open clear water and replenish tube valve, in water leg, replenish clear water.
Claims (4)
1. horizontally disposed flue gas of sintering machine pretreatment unit, form by casing, gas-liquid disturbance spray equipment and demister, it is characterized in that, casing is horizontal, be made up of main box, smoke inlet loudspeaker, exhanst gas outlet loudspeaker and water leg, main box one end is the smoke inlet loudspeaker, and the other end is the exhanst gas outlet loudspeaker, the bottom of main box is provided with water leg, and horizontally-arranged is arranged gas-liquid disturbance spray equipment and demister in main box.
2. a kind of horizontally disposed flue gas of sintering machine pretreatment unit as claimed in claim 1, it is characterized in that, gas-liquid disturbance spray equipment is made up of crossflow disturbance device and longitudinal air flow disturbance device cross arrangement, there is not the gap therebetween, be arranged on the joining place of interior smoke inlet loudspeaker of casing and main box, the crossflow disturbance device is positioned near smoke inlet one side, spray apertures is distributed in crossflow disturbance device lower end, the spray piping of gas-liquid disturbance spray equipment links to each other with crossflow disturbance device side, connects the shower water circulating pump of water leg below simultaneously.
3. a kind of horizontally disposed flue gas of sintering machine pretreatment unit as claimed in claim 1, it is characterized in that, demister is made up of demister, receipts tank, backwash water pipe, be arranged on the joining place of exhanst gas outlet loudspeaker and main box, the backwash water pipe lower end of demister is connected with backwash pump.
4. a kind of horizontally disposed flue gas of sintering machine pretreatment unit as claimed in claim 1, it is characterized in that, water leg is provided with backwashing water return duct, overflow pipe, blow-down pipe, replenishes water pipe, chlorion monitoring device, is provided with temperature sensor at smoke inlet loudspeaker and exhanst gas outlet loudspeaker place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200255623U CN201930671U (en) | 2011-01-26 | 2011-01-26 | Horizontally arranged pretreatment device for flue gas desulfurization of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200255623U CN201930671U (en) | 2011-01-26 | 2011-01-26 | Horizontally arranged pretreatment device for flue gas desulfurization of sintering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201930671U true CN201930671U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200255623U Expired - Lifetime CN201930671U (en) | 2011-01-26 | 2011-01-26 | Horizontally arranged pretreatment device for flue gas desulfurization of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201930671U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631830A (en) * | 2012-04-25 | 2012-08-15 | 中南大学 | Method and device for reducing wastewater amount of smelting smoke acid-making process |
| CN104069705A (en) * | 2014-07-29 | 2014-10-01 | 广西众昌树脂有限公司 | Dust remover |
| CN104075440A (en) * | 2014-07-29 | 2014-10-01 | 广西众昌树脂有限公司 | Hot blast equipment |
| CN110252092A (en) * | 2019-06-19 | 2019-09-20 | 大唐郓城发电有限公司 | A kind of flue gas input unit for power plant desulfuration absorbing tower |
-
2011
- 2011-01-26 CN CN2011200255623U patent/CN201930671U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631830A (en) * | 2012-04-25 | 2012-08-15 | 中南大学 | Method and device for reducing wastewater amount of smelting smoke acid-making process |
| CN104069705A (en) * | 2014-07-29 | 2014-10-01 | 广西众昌树脂有限公司 | Dust remover |
| CN104075440A (en) * | 2014-07-29 | 2014-10-01 | 广西众昌树脂有限公司 | Hot blast equipment |
| CN110252092A (en) * | 2019-06-19 | 2019-09-20 | 大唐郓城发电有限公司 | A kind of flue gas input unit for power plant desulfuration absorbing tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200908 Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |