CN204319951U - A kind of tower top chimney gypsum rain control integrated apparatus - Google Patents
A kind of tower top chimney gypsum rain control integrated apparatus Download PDFInfo
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- CN204319951U CN204319951U CN201420776463.2U CN201420776463U CN204319951U CN 204319951 U CN204319951 U CN 204319951U CN 201420776463 U CN201420776463 U CN 201420776463U CN 204319951 U CN204319951 U CN 204319951U
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Abstract
The utility model discloses a kind of tower top chimney gypsum rain control integrated apparatus.In order to eliminate tower top chimney " gypsum rain " phenomenon, described tower top chimney gypsum rain control integrated apparatus comprises and being arranged on for changing flue gas flow direction with the cyclone structure of drop in separating flue and gypsum solid particle in the tower top chimney of absorption tower, and for collect flue gas be separated after drop and the barrier structure of gypsum solid particle; The described barrier structure be positioned at above cyclone structure is fixed on inner wall of stack.The utility model significantly reduces tower top chimney and arranges gypsum solid granule content in saturated wet flue gas outward, decreases gypsum slurries and carries and condensing droplet formation, effectively eliminate tower top chimney " gypsum rain " phenomenon.
Description
Technical field
The utility model relates to a kind of tower top chimney gypsum rain control integrated apparatus, is mainly applicable to " gypsum rain " phenomenon that elimination Limestone-gypsum Wet Flue Gas Desulfurization Process causes tower top chimney.
Background technology
Current medium and small boiler and Industrial Stoves adopt wet desulfurization of flue gas by limestone-gypsum method technology generally to arrange the mode of the direct outer emptying flue gas of tower top chimney, because of the saturated wet flue gas that discharged gas fume is about 50 DEG C, and in flue gas droplet content general control at about 75mg/Nm3, about containing 15% gypsum solid particle in drop, when being arranged outward by tower top chimney, meet surrounding air cooling, more drops are separated out, around absorption tower, form " gypsum rain " phenomenon, cause environmental pollution and equipment corrosion.
Utility model content
In order to solve tower top chimney " gypsum rain " problem, the utility model aims to provide a kind of tower top chimney gypsum rain control integrated apparatus, this integrated apparatus effectively can reduce tower top chimney and arrange gypsum solid granule content in saturated wet flue gas outward, simultaneously on the basis as far as possible reducing discharged gas fume gypsum drop carrying amount, promote tower top chimney discharged gas fume flow velocity, improve discharged gas fume rising height, reduce and land pollutant levels impact.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of tower top chimney gypsum rain control integrated apparatus, its design feature comprises
-cyclone structure, it to be arranged in the tower top chimney of absorption tower and for changing flue gas flow direction with drop in separating flue and gypsum solid particle;
-barrier structure, it is for collecting the drop after flue gas separation and gypsum solid particle;
The described barrier structure be positioned at above cyclone structure is fixed on inner wall of stack.
Thus, after flue gas rises, change flue gas flow direction by cyclone structure, make the drop in flue gas and gypsum solid particle separation, and catch drop and gypsum solid particle by the barrier structure be fixed on chimney wall, reduce the drop carried in discharged gas fume and gypsum particle as far as possible.
Be below the technical scheme of further improvement of the utility model:
Described barrier structure is the baffle plate that the polylith be arranged on inner wall of stack is vertically arranged, described baffle plate extends from inner wall of stack to the center line of chimney.Further, the height that described baffle plate extends from inner wall of stack to the center line of chimney is 100mm ~ 300mm.
The center line that described chimney top is provided with from inner wall of stack to chimney extends protruding annular necking down ring.Thus, by the setting of chimney breast undergauge ring, flue gas flow rate is got a promotion, be beneficial to flue gas diffusion, reduce condensate liquid and formed.Further, the height that described necking down ring extends from inner wall of stack to the center line of chimney is 300mm ~ 800mm, and the cross sectional shape of this necking down ring is triangle.Thus tower top chimney smoke flow velocity can be controlled at below 12m/s, control tower top chimney breast flue gas flow rate at more than 20m/s.
Described chimney wall has and described necking down ring and the passage be communicated with between inner wall of stack.Thus, the cavity formed at undergauge ring and tower wall need offer passage on Ta Bi position, effectively can prevent gas in cavity from expanding with heat and contract with cold and cause undergauge ring anticorrosive coat to come off.
As a kind of concrete version, described cyclone structure comprises the spiral board that polylith radial direction is arranged, and one end of each spiral board is fixed on tower top inwall, and the other end of this spiral board is fixed on central tube.
Conveniently in time the drop of seizure and gypsum solid powder collection are got up, be provided with the slurry collecting groove of annular outside the hoop of described cyclone structure, the bottom land of slurry collecting groove has the emptying mouth of pipe, conveniently discharge slurries in time.
Preferably, described spiral board is the plate-like piece that carbon steel lining glass flake or polypropylene are made.
Preferably, described baffle plate is the plate-like piece that high nickelio alloy is made.
Compared with prior art, the beneficial effects of the utility model are: by above three part actings in conjunction, effectively can eliminate current medium and small boiler and Industrial Stoves employing Limestone-gypsum Wet Flue Gas Desulfurization Process technique, tower top smoke stack emission neat stress is set and produce " gypsum rain " phenomenon.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model embodiment;
Fig. 2 is the floor plan of spiral board in Fig. 1;
Fig. 3 is the floor plan of vertical baffle plate in Fig. 1;
Fig. 4 is the floor plan of necking down ring in Fig. 1.
In the drawings
1-absorption tower, 2-spiral board, the vertical baffle plate of 3-, 4-slurry collecting groove, the 5-emptying mouth of pipe, 6-undergauge ring, 7-chimney.
Detailed description of the invention
A kind of tower top chimney gypsum rain control integrated apparatus, as shown in Figure 1, on absorption tower and tower top chimney intersection, spiral board 2 is set, flue gas is through spiral board, the flow direction changes, and from becoming rotary-cut spiral vertically upward, part gypsum particle strikes on spiral board and is captured, simultaneously because rotary-cut acceleration is different, partial drop and gypsum particle and flue gas generation inertial separation.Meanwhile, the present embodiment also chimney wall is arranged vertical baffle plate 3 above spiral board, and the drop of the inertial separation in flue gas and gypsum particle strike on baffle plate and be collected, and along baffle plate from flowing to gypsum slurries feeder 4, and is back in absorption tower by discharging hole 5.
3) undergauge ring 6 is set in tower top chimney breast position, to make in tower top chimney flue gas flow rate lower than 12m/s, and chimney breast flue gas flow rate rises to more than 20m/s.The setting of undergauge ring, had both maintained flue gas low speed in chimney and had carried gypsum drop less, and made again chimney breast flue gas flow rate promote, and was beneficial to flue gas diffusion, reduced the formation of condensate liquid.
During making and installation, first by calculating the blade quantity determining spiral board 2, deflection angle, spiral board is produced by result of calculation, by supporting, spiral board is fixed on tower top chimney, arrange slurries accumulator tank 4 between spiral board and chimney wall, accumulator tank arranges discharging hole 5 at low dot location.Arrange vertical baffle plate 3 in spiral board top position, quantity and the height of vertical baffle plate are determined by calculating, and vertical baffle plate is welded on chimney wall.Arrange undergauge ring 6 at chimney breast, undergauge ring and tower wall angle are 60 °, and the internal diameter of undergauge ring is determined by calculating, and undergauge ring welds with tower wall, and undergauge ring material adopts carbon steel lining glass flake.
In the present embodiment, the technical requirement of each parts is as follows:
1) spiral board material can adopt carbon steel to serve as a contrast glass flake or polypropylene.
2) accumulator tank arranges certain slope toward discharging hole position, gradient > 5 °.
3) vertical baffle plate adopts the high nickel-base alloy-steel material of anti-chlorine ion spot corrosion.
4) cavity that undergauge ring and tower wall are formed need offer passage on Ta Bi position, prevents gas in cavity from expanding with heat and contract with cold and causes undergauge ring anticorrosive coat to come off.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Claims (10)
1. a tower top chimney gypsum rain control integrated apparatus, is characterized in that, comprise
-cyclone structure, it to be arranged in absorption tower (1) tower top chimney and for changing flue gas flow direction with drop in separating flue and gypsum solid particle;
-barrier structure, it is for collecting the drop after flue gas separation and gypsum solid particle;
The described barrier structure be positioned at above cyclone structure is fixed on chimney (7) inwall.
2. tower top chimney gypsum rain control integrated apparatus according to claim 1, it is characterized in that, the baffle plate (3) that described barrier structure is vertically arranged for the polylith be arranged on chimney (7) inwall, described baffle plate extends from chimney (7) inwall to the center line of chimney (7).
3. tower top chimney gypsum rain control integrated apparatus according to claim 2, it is characterized in that, the height that described baffle plate extends from chimney (7) inwall to the center line of chimney (7) is 100mm to 300mm.
4., according to the tower top chimney gypsum rain control integrated apparatus one of claim 1-3 Suo Shu, it is characterized in that, described chimney (7) top is provided with and extends protruding annular necking down ring (6) from chimney (7) inwall to the center line of chimney (7).
5. according to the tower top chimney gypsum rain control integrated apparatus one of claim 1-3 Suo Shu, it is characterized in that, it is 300mm to 800mm that described necking down ring (6) extends protruding height from chimney (7) inwall to the center line of chimney (7), and the cross sectional shape of this necking down ring (6) is triangle.
6., according to the tower top chimney gypsum rain control integrated apparatus one of claim 1-3 Suo Shu, it is characterized in that, described chimney (7) wall has and described necking down ring (6) and the passage be communicated with between chimney (7) inwall.
7. according to the tower top chimney gypsum rain control integrated apparatus one of claim 1-3 Suo Shu, it is characterized in that, described cyclone structure comprises the spiral board (2) that polylith radial direction is arranged, one end of each spiral board (2) is fixed on tower top inwall, and the other end of this spiral board (2) is fixed on central tube.
8. according to the tower top chimney gypsum rain control integrated apparatus one of claim 1-3 Suo Shu, it is characterized in that, be provided with the slurry collecting groove (4) of annular outside the hoop of described cyclone structure, the bottom land of slurry collecting groove (4) has the emptying mouth of pipe (5).
9. tower top chimney gypsum rain control integrated apparatus according to claim 7, is characterized in that, the plate-like piece that described spiral board (2) is made for carbon steel lining glass flake or polypropylene.
10. the tower top chimney gypsum rain control integrated apparatus according to Claims 2 or 3, it is characterized in that, described baffle plate is the plate-like piece that high nickelio alloy is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420776463.2U CN204319951U (en) | 2014-12-11 | 2014-12-11 | A kind of tower top chimney gypsum rain control integrated apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420776463.2U CN204319951U (en) | 2014-12-11 | 2014-12-11 | A kind of tower top chimney gypsum rain control integrated apparatus |
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| CN204319951U true CN204319951U (en) | 2015-05-13 |
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| CN201420776463.2U Active CN204319951U (en) | 2014-12-11 | 2014-12-11 | A kind of tower top chimney gypsum rain control integrated apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298589A (en) * | 2020-03-06 | 2020-06-19 | 复旦大学 | Ship flue gas condensation impact purification device and method |
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2014
- 2014-12-11 CN CN201420776463.2U patent/CN204319951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298589A (en) * | 2020-03-06 | 2020-06-19 | 复旦大学 | Ship flue gas condensation impact purification device and method |
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