CN2465778Y - Siphon swirl immersed high-efficiency desulfurizing dust remover - Google Patents
Siphon swirl immersed high-efficiency desulfurizing dust remover Download PDFInfo
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- CN2465778Y CN2465778Y CN 01213488 CN01213488U CN2465778Y CN 2465778 Y CN2465778 Y CN 2465778Y CN 01213488 CN01213488 CN 01213488 CN 01213488 U CN01213488 U CN 01213488U CN 2465778 Y CN2465778 Y CN 2465778Y
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Abstract
The utility model relates to a siphon swirl immersed high-efficiency desulfurizing dust remover. The utility model is characterized in that the utility model comprises an atomizing tower, a drop-catching tower and a smoke-exhausting tower, wherein, an alkaline medium inlet is arranged at the top end of the atomizing tower, the lower part of the atomizing tower is connected with a venturi, wherein, the upper part of the venturi is connected with an atomizing nozzle, the middle part of the venturi is a throat, the lower end of the venturi is a concave water tank, and the venturi is communicated with the drop-catching tower via a siphon device; a smoke gas guide tube is arranged inside the drop-catching tower, a V-shaped ash-discharging groove is arranged between the bottom of the smoke gas guide tube and the inner wall of the drop-catching tower, the middle section of the smoke gas guide tube is provided with a desulfurizing board, a mist-blocking board is arranged above the smoke gas guide tube, and the smoke gas guide tube is communicated with the smoke-exhausting tower via a smoke channel; a dewatering drum is arranged inside the smoke channel, and a smoke-exhausting opening is arranged at the lower end of the smoke-exhausting tower. The utility model is low in cost and high in dust-removing and desulfurizing efficiency, is corrosion-proof, and can replace various desulfurizing dust removers that are low in dust-removing and desulfurizing efficiency.
Description
The utility model relates to a desulfurizing device, in particular to a dust remover which utilizes siphon swirl to desulfurize by adopting an alkaline medium bubble bath mode,
currently, there are various types of dust collectors in the prior art, but these have various drawbacks. Such as: the electric dust collector consumes more steel, has huge equipment, large floor area, needs high-voltage power transformation and rectification equipment, has complex design, manufacture, management, maintenance and other technologies, high requirement, large maintenance amount, high price and can not desulfurize; the electric dust collector has high resistance of dust, needs to humidify smoke dust during operation, seriously corrodes element equipment and pollutes the environment when sulfur dioxide contained in smoke reacts, has short period of the high-efficiency dust collector, and is not suitable for being matched with a small boiler; the traditional water film dust collector and the improved granite desulfurization dust collector in recent years mostly adopt a stainless steel plate sieve plate, an overflow groove, a baffle plate and an S channel for water production, and have the defects of complex structure, high cost, high installation difficulty, low desulfurization effect, large common resistance, serious water carrying of flue gas, easy oxidation corrosion of flues, equipment and iron parts, angular inner structure, more dead corners, easy dust accumulation, dust blockage, scaling and dew accumulation, easy vibration of a blade of an induced draft fanand a motor shaft, frequent jolt pressure and coking of a boiler, influence on unit and personal safety, incapability of ensuring long-term stable operation, serious influence and reduction on boiler yield, and restriction on economic benefit and production development; the ceramic multi-tube dust remover is easy to deform and damage, has large resistance and low dust removal and desulfurization efficiency. The dust removal efficiency of the cyclone dust collector can only be about 90 percent generally, most of the dust removal efficiency can only be maintained below 80 percent after the cyclone dust collector is used for half a year, and due to the large resistance, steel is easy to oxidize, corrode and perforate, and has no repair value after two to three years, the service life is short, the cyclone dust collector cannot be desulfurized, and the discharge standard permitted by national environmental protection cannot be reached; the impact type and water bath type dust remover has small volume, can not be matched with large industrial boilers and power station boilers for use, has the stone material thickness of 10-15 cm mostly, and has short service life which is the weakness of the impact type and water bath type dust remover.
The utility model aims at overcoming the defect of above-mentioned prior art, providing a cost is low, and the dust removal desulfurization is efficient, and is corrosion-resistant, can replace various dust removals and the efficient rainbow swirl bubble bath formula high-efficient desulfurization dust remover of desulfurization.
The purpose of the utility model is realized through the following technical scheme. The device is characterized by comprising an atomizing tower, a drip catching tower and a smoke exhaust tower, wherein the inner wall of each tower is built by piling of granite. The top end of the atomization tower is providedwith an alkaline medium inlet, the atomization tower is connected with a venturi tube in a lower mode, an atomization nozzle is arranged on the venturi tube, the middle of the venturi tube is a throat part, the lower end of the venturi tube is a concave water tank, and the atomization tower is communicated with the drop catching tower through an siphon device; a flue gas guide pipe is sleeved in the center of the drip catching tower; a V-shaped ash discharge groove is arranged between the bottom end of the flue gas guide pipe and the inner wall of the drip catching tower, a desulphurization plate is arranged in the middle section, and a fog baffle is arranged above the desulphurization plate and communicated with the smoke discharge tower through a flue; a dehydration barrel is arranged in the flue, and a smoke outlet which can be connected with a chimney is arranged at the lower end of the smoke exhaust tower. The siphon device is a convex-concave structure, one end of the siphon device is connected with the concave water tank of the atomizing tower, the middle part of the siphon device is also provided with the concave water tank, and the other end of the siphon device is obliquely communicated with the drip catching tower. The upper end of the drip catching tower is provided with an upper volute communicated with the flue, the lower end of the drip catching tower is provided with a lower volute communicated with the siphon device, and one or more upper launders are arranged on the upper volute. The top surface of the drip catching tower is provided with a pressure stabilizing water tank, one end of an alkaline water pipe and one end of a communicating balance pipe are connected with the alkaline water pipe, and the other end of the alkaline water pipe is arranged on the inner wall of the drip catching tower corresponding to the desulfurizing plate. The bottom surface of the drip catching tower is provided with a screen-shaped isolation plate which is connected with an alkaline medium storage.
The utility model discloses has following technological effect:
1. the phenomenon that the flue gas of the dust remover carries water is thoroughly solved, and the oxidation, deliquescence and corrosion phenomena of equipment, a flue and a chimney are reduced.
2. An overflow groove and a water making and blocking device of the traditional granite water film dust remover are eliminated, and the problems of water curtain and resistance generated by damaging aerodynamic places due to water leakage and air leakage of the overflow groove are solved.
3. The alkaline medium feeding device and the siphon water bath device are arranged, so that smoke, gas and dust are subjected to multiple times of agglutination, collision, water bath and bubble bath, and the effects of efficient dust removal and desulfurization are achieved.
4. The waste water in the sedimentation tank and the boiler can be recycled, a large amount of water is saved, and the running cost is reduced.
5. The angular angle and the dead angle in the internal structure of the dust remover are eliminated, the constant aerodynamic field in the drip catching tower is formulated, and the resistance, the dust deposition and the scaling of the dust remover are reduced.
6. By adopting the special ash discharging device, the furnace can be stopped, the water can be stopped, and the ash can be cleaned, thereby solving the problems of ash blockage and ash deposition at the water seal part, and reducing the times of manual ash removal and the labor intensity.
7. The novel combined type efficient desulfurizing and dust-removing device can be designed and manufactured due to the size of a boiler and the width of a field, is small in occupied area, low in investment (only the investment of an electric dust remover is primary 1/3 or 1/5), low in operating cost, long in service life (more than 60 years), simple and convenient to maintain, suitable for all parts of the world in climate, suitable for new construction and technical improvement of various boilers and capable of technically improving the original granite water film dust remover into a siphon flow bubble bath type efficient desulfurizing and dust-removing device.
8. The furnace pipe is made of natural high-quality granite, or acid-resistant, acid-resistant and corrosion-resistant materials such as cast stone plate, refractory brick and porcelain, and has the advantages of strong acid resistance, alkali resistance, abrasion resistance, corrosion resistance, easy material taking and low price, thereby saving a large amount of foreign exchanges for the country, being suitable for multi-industry production, being completely suitable for the national conditions of China, the climate and technical and environmental protection requirements of most countries and regions in the developing country and the world, and being capable of strengthening the technical and economic cooperation between the countries.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The present invention will be described in detail with reference to the accompanying drawings.
At present, sulfur in the flue gas is mainly sulfur dioxide and a very small amount of sulfur trioxide, which are both easily dissolved in water to generate sulfurous acid and sulfuric acid. The chemical molecular formula is as follows:
as the number of water circulation times increases, the HP value of the circulating water becomes lower and lower, and SO2It is not easily dissolved in acidic water. Therefore, the circulating water is added with alkaline substances, the PH value is adjusted according to the sulfur dioxide rate of the discharged flue gas dust, and when lime milk or alkali with certain concentration is added, the following reactions occur:
OH in Water-Increasing the content of water to be alkaline, SO2The catalyst is easy to dissolve in alkaline water, when the pH value is about 14, the desulfurization efficiency can reach more than 90 percent, and the discharged smoke dust, sulfur dioxide and carbon oxides can reach the national emission standard no matter what kind of coal is combusted.
As shown in figure 1, the utility model mainly comprises an atomizing tower 1, a drip catching tower 2 and a smoke exhaust tower 3, and the inner wall of each tower is built by the granite. An alkaline medium inlet 10 is arranged at the top of the atomizing tower 1, lime powder (milk) or alkali liquor can be put into the atomizing tower 1 from the inlet, a venturi tube 11 is arranged below the alkaline medium inlet 10, one or more high-speed atomizing nozzles 12 are arranged at the upper end of the alkaline medium inlet to form alkaline water mist, so that smoke, gas and dust are condensed and collided with the alkaline water mist to form particles, the particle size and the specific gravity are increased, the smoke, thegas and the dust are collided on a water bath layer on the inner wall of the venturi tube 11 under the action of high-speed rotational flow and mechanical centrifugal force, and the water film layer flows into a siphon device 14 connected with the lower part of the venturi tube 11 along with water flow. The siphon device 14 is a convex-concave structure, one end of which is connected with the concave water tank at the lower end of the Venturi tube 11, and the middle section of which is also provided with a concave water tank 15, so that a bulge is formed between the siphon device and the concave water tank, and the other end of which is obliquely communicated with the drip catching tower 2. When smoke, dust and gas enter the concave water tank at the bottom of the venturi tube 11, the smoke, dust and gas are mixed with water flow and rise, and collide to generate a large amount of alkaline foam when meeting the convex part, and then enter the bubble bath tower 2 after being diffused.
A flue gas guide pipe 24 is arranged in the center of the drip catching tower 2, a V-shaped ash discharge ditch 27 is annularly arranged between the inner wall of the drip catching tower 2 and the bottom of the flue gas guide pipe 24, and the smoke dust at the lower section of the drip catching tower 2 enters the ash discharge ditch 27 and then is flushed out by water to enter a sedimentation tank. A plurality of layers of cyclone desulfurization plates 22 with grooves are arranged between the middle section of the drop catching tower 2 and the upper end of the flue gas guide pipe 24, the desulfurization plates 22 are made of special materials and are arranged in three layers, and the cyclone desulfurization plates are in a shape of white-leaf window blades and provided with cyclone grooves. The flue gas rises along the inner wall of the drip catching tower 2 in a constant aerodynamic field, is coagulated and collided again in each layer of the desulfurization plate 22, is mixed with alkaline waterliquid to be decomposed, falls down and is discharged through an ash discharge port 27.
The lower volute 25 is arranged at the position where the lower end of the drip catching tower 2 is connected with the siphon device 14, the diameter of the lower volute 25 is increased on the basis of the original outer wall of the drip catching tower 2 to form a volute shape, the lower volute 25 is communicated with the siphon device 14, and one or more upper spiral grooves 26 are formed in the lower volute, so that smoke entering the lower volute rises spirally in the spiral direction, the flow velocity of the smoke can be reduced, and a specific aerodynamic field is formed. A fog baffle plate 20 is arranged above the desulfurization plate 22 and on the upper end cylinder wall of the drip catching tower 2, so that a flue gas drying and purifying separation layer is formed between the tops of flue gas guide pipes 24, the fog baffle plate 20 is connected with an upper volute 16 and can be communicated with an inlet of a flue 19, the action mechanism of the upper volute 16 is the same as that of a lower volute 25, a pressure stabilizing water tank 18 is also arranged at the top of the upper volute 16, one end of an alkaline water pipe 17 is connected with the pressure stabilizing water tank, the other end of the alkaline water pipe is arranged at a position corresponding to the desulfurization plate 22, alkaline water used by the pressure stabilizing water tank 18 flows into each desulfurization plate 22 through the alkaline water pipe 17, and sulfur trioxide and nitrogen oxide in the flue gas are washed in water bath of the desulfurization plates 22 again until the lower part of. The upper part in the pressure stabilizing water tank 18 is provided with a plurality of balance communicating pipes 19, the upper end is arranged at the upper section of the pressure stabilizing water tank 18, and the lower end is connected in the drip catching tower 2.
A dehydration barrel 31 is arranged in the flue 30, the dehydration barrel 31 is made of stainless steel plates and can rotate at high speed, and dehydrated water can flow out through a water outlet hole formed in the flue 30. The other end of the flue 30 is communicated with the smoke discharging tower 3, the lower end of the smoke discharging tower 3 is provided with a smoke outlet 34 which can be connected with a chimney, the bottom is provided with a screen-shaped isolation plate 33, the lower part is provided with an alkaline medium storage 35 which can store lime or alkaline medium, and alkaline gas can be mixed with sulfur dioxide for neutralization again after being emitted and risen.
The utility model discloses the working process: when smoke, gas and dust enter the utility model, the alkaline water mist sprayed by the spray nozzle 12 is agglutinated, collided and bonded into particles, and enters the siphon device 14 along with water under the action of high-speed rotation and centrifugal force, so as to remove dust in one stage; smoke, gas and dust particles enter the siphon device 14, then flow into the ash discharge port 27 at the bottom of the drip catching tower 2 along with water after being subjected to water bath, and are discharged, and the secondary dust removal is carried out; the residual fine particles in the smoke, gas and dust enter the drop catching tower 2 and then contact with the spray again, rise along the rotary chute 26 of the lower volute 25 and enter the smoke guide pipe 24 and the desulphurization plate 22, and after being collided by the fog baffle plate 20, the flow velocity is reduced, and the smoke, gas and dust particles drop on the lower section of the drop catching tower 2 after being subjected to water bath again and are discharged through the dust discharge port 27. Thus, smoke, gas and dust flow out after being coagulated and collided in water bath for six times, smoke, gas and dust particles change from large to small to large to small for six times, the air flow speed also changes from small to large to small to large, most of smoke and dust are eliminated under the action of the rotational flow, and finally the smoke and dust enters the flue to achieve the purposes of high-efficiency dust removal and desulfurization.
Claims (6)
1. A siphon swirl bubble bath type high-efficiency desulfurization dust remover is characterized by comprising an atomizing tower (1), a drip catching tower (2) and a smoke exhaust tower (3), wherein the top end of the atomizing tower (1) is provided with an alkaline medium inlet (10) and is connected with a Venturi tube (11) in a lower mode, the Venturi tube (11) is provided with an atomizing nozzle (12), the middle part of the Venturi tube is a throat part (13), the lower end of the Venturi tube is a concave water tank, and the siphon swirl bubble bath type high-efficiency desulfurization dust remover is communicated with the drip catching tower (2) through a siphon device (14); a flue gas guide pipe (24) is sleeved in the center of the drop catching tower (2); a V-shaped ash discharge ditch (27) is arranged between the bottom end of the flue gas guide pipe (24) and the inner wall of the drip catching tower (2), a desulphurization plate (22) is arranged in the middle section, and a fog baffle plate (20) is arranged above the desulphurization plate (22) and communicated with the smoke exhaust tower (3) through a flue (30); a dehydration barrel (31) is arranged in the flue (30), and the lower end of the smoke exhaust tower (3) is provided with a smoke exhaust port (34) which can be connected with a chimney.
2. The siphon whirlpool bubble bath type high-efficiency desulfurization dust remover as claimed in claim 1, characterized in that the siphon device (14) is a concave-convex structure, oneend of which is connected with the concave water tank of the atomizing tower (1), the middle part of which is also provided with a concave water tank (15), and the other end of which is obliquely communicated with the drop capturing tower (2).
3. The siphon swirling flow bubble bath type high-efficiency desulfurization dust remover according to claim 1 or 2, characterized in that the upper end of the drop catching tower (2) is provided with an upper volute (16) which is communicated with the flue (30), the lower end is provided with a lower volute (25) which is communicated with the siphon device (14), and one or more upper swirling grooves (26) are arranged on the upper volute.
4. An efficient desulfurizing and dust-removing apparatus by means of siphon cyclone and bubble bath as claimed in claim 1 or 2, characterized in that a pressure-stabilizing water tank (18) is installed on the top surface of the drop-catching tower (2), one end of the alkaline water pipe (17) and the communicating balance pipe (19) is connected with it, and the other end is placed on the inner wall of the drop-catching tower (2) corresponding to the desulfurizing plate (22).
5. The siphon swirl bubble bath type high-efficiency desulfurization dust remover according to claim 1 or 2, characterized in that the bottom surface of the drop capturing tower (3) is provided with a screen-shaped partition plate (33) and is connected with a basic storage warehouse (35) in a downward connection mode.
6. The siphon swirl bubble bath type high-efficiency desulfurization dust remover as claimed in claim 1 or 2, wherein the inner wall of each tower is built by stacking granite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213488 CN2465778Y (en) | 2001-02-26 | 2001-02-26 | Siphon swirl immersed high-efficiency desulfurizing dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213488 CN2465778Y (en) | 2001-02-26 | 2001-02-26 | Siphon swirl immersed high-efficiency desulfurizing dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2465778Y true CN2465778Y (en) | 2001-12-19 |
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ID=33632454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01213488 Expired - Fee Related CN2465778Y (en) | 2001-02-26 | 2001-02-26 | Siphon swirl immersed high-efficiency desulfurizing dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2465778Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527219A (en) * | 2012-01-09 | 2012-07-04 | 湖南省中机环保能源科技工程有限公司 | Smoke gas wet method sulfur removal and dust removal integral treatment system |
| CN102805983A (en) * | 2012-01-14 | 2012-12-05 | 机械工业第四设计研究院 | Gas purifier and venturi flume thereof |
-
2001
- 2001-02-26 CN CN 01213488 patent/CN2465778Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527219A (en) * | 2012-01-09 | 2012-07-04 | 湖南省中机环保能源科技工程有限公司 | Smoke gas wet method sulfur removal and dust removal integral treatment system |
| CN102527219B (en) * | 2012-01-09 | 2014-07-16 | 湖南省中机环保能源科技工程有限公司 | Smoke gas wet method sulfur removal and dust removal integral treatment system |
| CN102805983A (en) * | 2012-01-14 | 2012-12-05 | 机械工业第四设计研究院 | Gas purifier and venturi flume thereof |
| CN102805983B (en) * | 2012-01-14 | 2015-01-21 | 机械工业第四设计研究院有限公司 | Gas purifier and venturi flume thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |