CN2783139Y - Multi-channel water cooling pneumatic conveying slag-cooling machine - Google Patents
Multi-channel water cooling pneumatic conveying slag-cooling machine Download PDFInfo
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- CN2783139Y CN2783139Y CN 200520094838 CN200520094838U CN2783139Y CN 2783139 Y CN2783139 Y CN 2783139Y CN 200520094838 CN200520094838 CN 200520094838 CN 200520094838 U CN200520094838 U CN 200520094838U CN 2783139 Y CN2783139 Y CN 2783139Y
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Abstract
The utility model relates to a multi-channel water cooling pneumatic conveying slag cooler which comprises a slag feeding part, a machine body and a slag discharging part. The utility model is characterized in that the upper part of the slag cooler body is a heat exchange chamber, the lower part is a wind chamber which is separated from the heat exchange chamber by grid plates, the grid plate is distributed with apertures and the utility model is provided with at least two rows of grid plates. A middle water tank which is communicated with circulation water is arranged between contiguous two grid plates, water tanks which are communicated with the circulation water are arranged around and on the top of the heat exchange chamber and the inner side wall of each water tank can form the heat exchange chamber with the upper surfaces of the grid plates. The heat exchange chamber of the utility model is corresponding to a small fluidized bed, and slag transferring cold air can lead the air in an air outlet in front of a boiler flue dust remover via the rest air of primary and secondary air sources of the boiler. The cooling water in a water cooling system can use condensed water or softening water, and the water can be recycled after using.
Description
Technical field: the utility model relates to the cooling device of ciculation fluidized boiler bottom slag, relates in particular to a kind of multichannel water-cooled strength and carries cold slag machine.
Background technology: CFBB is that national requirements is suited measures to local conditions in recent ten years, the key project of greatly developing and transforming, and it can burning low grade coal and gangue.The gangue accumulating amount of China is hundred million tons of 10-12, and wherein the gangue caloric value more than 1/3 can improve rate of energy at 3350KJ/KG with its generating, and the various countries scientist is in competitively research and development.Because the ash of gangue is more than 50%, so the CFBB bed drain purge is big, the high temperature furnace slag of discharge (about 900 ℃) has been taken away a large amount of physics heat, and high temperature furnace slag causes boiler slag removal system equipment service condition abominable; Sulphur and nitrogen residual in the lime-ash still can discharge sulfur dioxide and nitrogen oxide outside stove, cause environmental pollution.If lime-ash is without cooling, the heat loss due to sensible heat in slag can reach more than 2%, and scorching hot lime-ash heat treatment and transportation be trouble very, and therefore cold slag machine is to guarantee recirculating fluidized bed, the visual plant of the efficient operation of boiler safety.
At present, several cold slag machine that Power Plant in China is used all can only be reduced to slag about 150-200 ℃, and also need increase equipment could further reduce temperature, and it also exists coking simultaneously, defectives such as the easy obstruction of slag.
Before the utility model proposes, the applicant once proposed a kind of name and was called the utility model patent that the water-cooled strength is carried cold slag machine, and the patent No. is 03235930.6.Though this patent also can be cooled off warm sludge, cooling effect and speed also have the space that further promotes.
Summary of the invention: the purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, to propose a kind of dry type multichannel water-cooled strength that can rapidly the warm sludge cooling be reduced to below 120 ℃ and carry cold slag machine.
Goal of the invention of the present utility model is achieved by the following technical solution.A kind of multichannel water-cooled strength is carried cold slag machine, comprise slag input part, body and the part of slagging tap, the described cold slag machine body upper of its feature is a Heat Room, the bottom is an air compartment, is separated by air distribution plate between them, is covered with aperture on the air distribution plate, described air distribution plate is arranged at least two rows, adjacent two arrange is provided with the intermediate water tank that leads to recirculated water between aerofoil, reach the water tank that the top is provided with logical recirculated water around Heat Room, and above-mentioned each water tank madial wall and air distribution plate upper surface form Heat Room.
Can be provided with the deslagging distributor of selecting the single air distribution plate passage deslagging or the aerofoil passage deslagging of arranging at the slag inlet place of such scheme more.
Described deslagging distributor can be a disk, be provided with in the disk with body in the corresponding through hole of each bar air distribution plate passage, this disc circumference places in the annular groove that is arranged on body or the slag input part, and can rotate within it.
In such scheme, described intermediate water tank and the left and right sides water tank that is arranged on the sidewall of the Heat Room left and right sides are divided into a plurality of little water tanks by vertical dividing plate, little water tank of intermediate water tank and connect with the canopy pipe and form circulation waterway with two little water tanks in its corresponding left side/right water tank, the canopy pipe is arranged on the Heat Room internal upper part, the canopy pipe is as when water inlet, its mouth of pipe puts in a left side/right side/middle little water tank bottom, and the canopy pipe is during as delivery port, its mouth of pipe on a left side/right side/surface of middle little water tank.
In such scheme, described water tank madial wall is a corrugated surface.The arc radius of convolution of this corrugated surface is R30-60mm.
Be covered with the aperture that ￠ 2-6mm is arranged on the described air distribution plate, the occupation rate of this aperture on air distribution plate is 5-20%, and air distribution plate is wide to be 150-200mm, and length is 2000-4000mm.
Described slag input partly is provided with the slag input device, and the slag input device is made up of the big or small steel pipe socket of logical recirculated water, and slag inlet links to each other with the boiler slag removal pipe by slag feed pipe, and the logical recirculated water of interlayer is provided with slag input jet airduct at slag feed pipe near the elbow between outer tube and the slag feed pipe.
Be welded with many perpendicular to pipe face heat sink by the air distribution plate side is uniform on the described canopy pipe.
It is the special-purpose cooling device of CFBB dry type discharge overflow slag and furnace bottom slag that multichannel water-cooled strength is carried cold slag machine.The low temperature wind regime (normal temperature) of this equipment utilization boiler, low-temperature water source (boiler condensate water or demineralized water).In air compartment under the promotion of static pressure air-flow, when the warm sludge on the air distribution plate is delivered to slag notch uniformly from slag inlet, make warm sludge produce fluidisation, and and water cooling system between produce the heat exchange of radiation, conduction, convection current, by slag is carried out air-cooled and water-cooled, thereby can rapidly slag be reduced to the purpose that reaches cold slag below 120 ℃ from about 900 ℃.
Heat Room of the present utility model is equivalent to a small-sized fluidized bed.Defeated slag cold air utilizes the air more than needed of first and second wind regime of boiler, the air of air outlet is caused the boiler flue deduster before.Cooling water in the water-cooling system also can reclaim after the heat exchange with condensate water or demineralized water.
Furnace bottom slag layer Long-distance Control be by the furnace bottom static pressure transducer with pressure transmission to the master-control room on the remote electrically controlled cabinet Pressure gauge, according to the table size of data, the volume control damper that is positioned on the jet airduct is regulated, the control bed drain purge, bed drain purge is discharged on request, so just can make boiler coal feeding amount and bed drain purge keep balance, thereby keep the stable operation of the stable and boiler of boiler grate thickness of feed layer according to the size of boiler load.
The utlity model has following advantage:
1, the size of controlled, adjustable bed drain purge, dry type is slagged tap, and does not destroy the activity of lime-ash, helps the comprehensive utilization of lime-ash.
2, Mi Feng warm sludge is low through the cooled slag temperature of the utility model, reduces SO2 in the remaining lime-ash and NOX to the pollution of atmosphere, has improved sanitary condition, reduces the pollution to environment.
3, the accident residual cake valve is arranged, guarantee the safe operation of boiler.
4, use the utility model can guarantee that the scald accident does not take place the deslagging workman, improved working strength of workers and working environment.
5, the utility model continuous discharging slag can be controlled the furnace bottom slag amount, guarantees boiler fluidization quality.
6, use of the present utility model has improved burning, has improved the efficiency of combustion of boiler.
7, the utility model is provided with the deslagging distributing valve between slag input device and body, sets the slag input amount that enters body according to the requirement of bed drain purge, makes things convenient for deslagging.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is the C-C cutaway view of Fig. 2.
Fig. 5 is the D-D cutaway view of Fig. 2.
Fig. 6 is the E-E cutaway view of Fig. 1.
The specific embodiment: with reference to accompanying drawing, the utility model comprises slag input part, body and the part of slagging tap, and wherein, slag input partly comprises outer tube 1, jet airduct 2, slag feed pipe 3, accident residual cake valve 4; Body comprises preceding water tank 5, little water tank 6, upper water box 7, air distribution plate 8, water tank baffle 9, rear water box 10, left water tank 11, canopy pipe 12, right water tank 13, air compartment 14, air compartment baffle 15, intermediate water tank 23; The part of slagging tap comprises slag notch 16.Boiler is slagged tap and is partly comprised deslagging distributing valve 17, logical slag pipe 18, boiler bottom 19, boiler slag removal pipe 20, deslagging shut-off valve 21, heat sink 22.
The utility model body upper is a Heat Room, the bottom is an air compartment, separate by air distribution plate 8 between them, be covered with the aperture that ￠ 2-6mm is arranged on the air distribution plate 8, the occupation rate of this aperture on air distribution plate is 5-20%, air distribution plate is wide to be 150-200mm, and length is 2000-4000mm, and air distribution plate 8 is arranged side by side for two row or multi-row.Heat Room around and top-direction be respectively equipped with forward and backward, on, left and right five water tanks, also can a plurality of water tanks be set in each direction.At adjacent two intermediate water tanks 23 of arranging and being provided with isometric with it and logical recirculated water between the aerofoil, its water route and left and right water tank UNICOM.Each water tank madial wall and air distribution plate upper surface form Heat Room in the Heat Room, and the Heat Room inboard is a corrugated surface, and the arc radius of convolution of this corrugated surface is R30-60mm.Each water tank cooling water forms a circulatory system.
Above-mentioned left and right sides water tank 11,13 and intermediate water tank 23 are divided into a plurality of little water tanks 6 by vertical water tank baffle 9.Little water tank of intermediate water tank 23 and connect with canopy pipe 12 and form circulation waterway with two little water tanks in its corresponding left side/right water tank, canopy pipe 12 is arranged on the Heat Room internal upper part, the canopy pipe is as when water inlet, its mouth of pipe puts in a left side/right side/middle little water tank bottom, and the canopy pipe is during as delivery port, its mouth of pipe on a left side/right side/surface of middle little water tank.Like this canopy pipe 12 with the little water tank of correspondence position in left and right water tank and the intermediate water tank with this connection that circulates, make water in left and right sides water tank, intermediate water tank and the canopy pipe the flowing of turbulent condition of circulating from right to left again from left to right, and left and right water tank is by uniform many vertical and pipe face heat sinks 22, increase heat exchange efficiency and the scuff resistance of being welded with of air distribution plate 8 sides on corrugated surface, the canopy pipe with the intermediate water tank inner surface.See Fig. 5.
The utility model slag input partly is provided with the slag input device, the slag input device is made up of the big or small steel pipe socket of logical recirculated water, slag inlet links to each other with boiler slag removal pipe 20 by slag feed pipe 3, and the logical recirculated water of interlayer is provided with slag input jet airduct 2 at slag feed pipe near the elbow between outer tube 1 and the slag feed pipe 3.Slag inlet is positioned at above the higher one side of cold slag machine organism sidewall air distribution plate; Slag notch 16 is positioned at above the low one side of cold slag machine organism sidewall air distribution plate.
The described slag inlet place deslagging distributor that is arranged on is a deslagging distributing valve 17, it is a disk, be provided with in the disk with body in the corresponding through hole of each bar air distribution plate passage, this through hole can be that a plurality of through holes constitute its corresponding air distribution plate passage of each through hole correspondence; It also can be strip through hole (see figure 6).When this strip through hole was the level of state, it can make slag inlet and all air distribution plate channel connections; When this strip through hole in vertical state the time, it can make slag inlet and an air distribution plate channel connection.This disc circumference places in the annular groove that is arranged on body or the slag input part, and can rotate within it.During use, can be according to the requirement of bed drain purge, rotary disk rotates to an angle, and selects multichannel deslagging or single channel deslagging.The single channel deslagging is a float amount deslagging, and the multichannel deslagging is big discharge capacity deslagging.
Claims (9)
1, a kind of multichannel water-cooled strength is carried cold slag machine, comprise slag input part, body and the part of slagging tap, the described cold slag machine body upper of its feature is a Heat Room, the bottom is an air compartment, is separated by air distribution plate between them, is covered with aperture on the air distribution plate, described air distribution plate is arranged at least two rows, adjacent two arrange is provided with the intermediate water tank that leads to recirculated water between aerofoil, reach the water tank that the top is provided with logical recirculated water around Heat Room, and above-mentioned each water tank madial wall and air distribution plate upper surface form Heat Room.
2, carry cold slag machine according to the described multichannel water-cooled of claim 1 strength, it is characterized in that being provided with the deslagging distributor of the single air distribution plate passage deslagging of selection or the aerofoil passage deslagging of arranging more at the slag inlet place.
3, carry cold slag machine according to the described multichannel water-cooled of claim 2 strength, it is characterized in that described deslagging distributor is a disk, be provided with in the disk with body in the corresponding through hole of each bar air distribution plate passage, this disc circumference places in the annular groove that is arranged on body or the slag input part, and can rotate within it.
4, carry cold slag machine according to the described any multichannel water-cooled strength of claim 1 to 3, it is characterized in that described intermediate water tank and the left and right sides water tank that is arranged on the sidewall of the Heat Room left and right sides are divided into a plurality of little water tanks by vertical dividing plate, little water tank of intermediate water tank and connect with the canopy pipe and form circulation waterway with two little water tanks in its corresponding left side/right water tank, the canopy pipe is arranged on the Heat Room internal upper part, the canopy pipe is as when water inlet, its mouth of pipe puts in a left side/right side/middle little water tank bottom, and the canopy pipe is during as delivery port, its mouth of pipe on a left side/right side/surface of middle little water tank.
5, carry cold slag machine according to the described any multichannel water-cooled strength of claim 1 to 3, it is characterized in that described water tank madial wall is a corrugated surface.
6, carry cold slag machine according to the described multichannel water-cooled of claim 5 strength, the arc radius of convolution that it is characterized in that water tank madial wall corrugated surface in the described Heat Room is R30-60mm.
7, carry cold slag machine according to the described any multichannel water-cooled strength of claim 1 to 3, it is characterized in that being covered with on the described air distribution plate aperture that ￠ 2-6mm is arranged, the occupation rate of this aperture on air distribution plate is 5-20%, and air distribution plate is wide to be 150-200mm, and length is 2000-4000mm.
8, carry cold slag machine according to the described any multichannel water-cooled strength of claim 1 to 3, it is characterized in that described slag input partly is provided with the slag input device, the slag input device is made up of the big or small steel pipe socket of logical recirculated water, slag inlet links to each other with the boiler slag removal pipe by slag feed pipe, the logical recirculated water of interlayer is provided with slag input jet airduct at slag feed pipe near the elbow between outer tube and the slag feed pipe.
9, carry cold slag machine according to the described any multichannel water-cooled strength of claim 1 to 3, it is characterized in that being welded with many perpendicular to pipe face heat sink by the air distribution plate side is uniform on the described canopy pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094838 CN2783139Y (en) | 2005-01-07 | 2005-01-07 | Multi-channel water cooling pneumatic conveying slag-cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094838 CN2783139Y (en) | 2005-01-07 | 2005-01-07 | Multi-channel water cooling pneumatic conveying slag-cooling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2783139Y true CN2783139Y (en) | 2006-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520094838 Expired - Fee Related CN2783139Y (en) | 2005-01-07 | 2005-01-07 | Multi-channel water cooling pneumatic conveying slag-cooling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2783139Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498440B (en) * | 2009-02-16 | 2011-02-16 | 中煤能源黑龙江煤化工有限公司 | Ash cooling machine |
| CN103216824A (en) * | 2013-04-21 | 2013-07-24 | 温巨国 | Slag cooler |
-
2005
- 2005-01-07 CN CN 200520094838 patent/CN2783139Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498440B (en) * | 2009-02-16 | 2011-02-16 | 中煤能源黑龙江煤化工有限公司 | Ash cooling machine |
| CN103216824A (en) * | 2013-04-21 | 2013-07-24 | 温巨国 | Slag cooler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060524 |