CN204337939U - Boiler dust remover - Google Patents
Boiler dust remover Download PDFInfo
- Publication number
- CN204337939U CN204337939U CN201420720428.9U CN201420720428U CN204337939U CN 204337939 U CN204337939 U CN 204337939U CN 201420720428 U CN201420720428 U CN 201420720428U CN 204337939 U CN204337939 U CN 204337939U
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- Prior art keywords
- cylindrical shell
- inlet pipe
- dust remover
- water inlet
- annular water
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Abstract
The utility model relates to dedusting technology field, disclose a kind of boiler dust remover, deduster comprises the first cylindrical shell, the second cylindrical shell, air inlet pipe, escape pipe and slag-drip opening, and the second cylindrical shell is located at the outside of the first cylindrical shell and is positioned at the bottom of the first cylindrical shell, and the bottom of the first cylindrical shell is communicated with the second cylindrical shell; The top of the first cylindrical shell is provided with the first spray equipment, multiple first jet that first spray equipment comprises the first annular water inlet pipe and is connected with the first annular water inlet pipe, first annular water inlet pipe is positioned at the periphery of air inlet pipe, first jet through the first cylindrical shell the first through hole and be tightly connected by ring flange and the first through hole, the below that the inside of the first cylindrical shell is positioned at first jet is provided with the first spiral board.The utility model can reduce the probability that nozzle is blocked by flue dust on the one hand; nozzle can carry out dismounting replacing by ring flange in time when blocking occurring or damaging on the other hand; do not need shutdown to carry out maintain and replace, adopt the structure of double shell, can increase work efficiency and dust removing effects.
Description
Technical field
The utility model relates to dedusting technology field, particularly relates to a kind of boiler dust remover.
Background technology
Deduster is a kind of equipment that dust is separated from flue gas.At present, deduster is widely used in carpentry work-shop, paint shop, between grinding machine, and battery production workshop, chemical workshop, cement, colliery, the place that the dusts such as power industry are larger.Boiler dust remover is a kind of common deduster, and its form is varied, but most of deduster is difficult to the requirement reaching Environmental-protecting dust-removing, desulfurization, and complex structure, antiseptic property is poor, and cost of manufacture is high, and service life is short.
Existing extractor nozzles is be fixedly mounted on the built-in nozzle on deduster inwall endless tube, due to boiler normally run in can not clear up the mud powder be deposited in nozzle bore in time, when after operation a period of time, spray nozzle clogging is reduced injection flow rate by the flue dust entered in dedusting, finally causes efficiency of dust collection to reduce.When needing nozzle clearing, can only after boiler down cooling, personnel just can enter in deduster and the top climbing to deduster is cleared up, and have certain danger and cleaning extremely bothers.
Utility model content
The purpose of this utility model is to provide a kind of boiler dust remover and dust collection method, needs to shut down the problem of carrying out clearing up during to solve the spray nozzle clogging of existing boiler dust remover.
In order to achieve the above object, a kind of boiler dust remover that the utility model provides, described deduster comprises the first cylindrical shell, the second cylindrical shell, air inlet pipe, escape pipe and slag-drip opening, described second cylindrical shell is located at the outside of described first cylindrical shell and is positioned at the bottom of described first cylindrical shell, the bottom of described first cylindrical shell is communicated with described second cylindrical shell, described air inlet pipe is located at the top of described first cylindrical shell, described slag-drip opening is located at the bottom of described second cylindrical shell, and described escape pipe is located at the bottom of described second cylindrical shell and is positioned at the top of described slag-drip opening;
The top of described first cylindrical shell is provided with the first spray equipment, multiple first jet that described first spray equipment comprises the first annular water inlet pipe and is connected with described first annular water inlet pipe, described first annular water inlet pipe is positioned at the periphery of described air inlet pipe, the position that described first cylindrical shell is relative with described first jet is provided with the first through hole, described first jet is through described first through hole being tightly connected by ring flange and described first through hole, and the below that the inside of described first cylindrical shell is positioned at described first jet is provided with the first spiral board.
In above-mentioned boiler dust remover, the top of described second cylindrical shell is provided with the second spray equipment, multiple second nozzles that described second spray equipment comprises the second annular water inlet pipe and is connected with described second annular water inlet pipe, the periphery at the top of described second cylindrical shell is located at by described second annular water inlet pipe, the position that described second cylindrical shell is relative with described second nozzle is provided with the second through hole, described second nozzle is passed described second through hole and is tightly connected by ring flange and described second through hole, the below that the inside of described second cylindrical shell is positioned at described second nozzle is provided with the second spiral board.
In above-mentioned boiler dust remover, described second spiral board is extended by the inside of the second cylindrical shell to the first cylindrical shell.
In above-mentioned boiler dust remover, described deduster also comprises support column, and described support column is located at the center of described first cylindrical shell, for fixing described first spiral board and the second spiral board.
In above-mentioned boiler dust remover, described first spiral board and the second spiral board adopt fiber glass reinforced polypropylene material or stainless steel material to make.
In above-mentioned boiler dust remover, the bottom of described first cylindrical shell and the junction of described second cylindrical shell are provided with deflection plate.
In above-mentioned boiler dust remover, the aspect ratio of described first cylindrical shell and the second cylindrical shell is: 1.2-1.7.
In above-mentioned boiler dust remover, the diameter ratio of described first cylindrical shell and the second cylindrical shell is: 0.5-0.8.
A kind of boiler dust remover that technique scheme provides, it has following technique effect: nozzle adopts ring flange to be arranged on the outside of cylindrical shell, in dust removal process, the probability that nozzle is blocked by flue dust can be reduced on the one hand, nozzle can carry out dismounting replacing by ring flange in time when blocking occurring or damaging on the other hand, shutdown is not needed to carry out maintain and replace, can increase work efficiency, adopt the structure of double shell, the time of contact of prolong smoke and spray water, spiral board is set in the below of nozzle simultaneously, change the movement locus of flue gas, flue gas is contacted better with shower water, to improve dust removing effects.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of boiler dust remover of the utility model embodiment.
Wherein, the 1, first cylindrical shell; 2, the second cylindrical shell; 3, air inlet pipe; 4, escape pipe; 5, slag-drip opening; 6, the first spray equipment; 61, the first annular water inlet pipe; 62, first jet; 7, the first spiral board; 8, the second spray equipment; 81, the second annular water inlet pipe; 82, second nozzle; 9, the second spiral board; 10, support column; 11, deflection plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, a kind of boiler dust remover of the utility model embodiment, this deduster comprises the first cylindrical shell 1, second cylindrical shell 2, air inlet pipe 3, escape pipe 4 and slag-drip opening 5, second cylindrical shell 2 is located at the outside of the first cylindrical shell 1 and is positioned at the bottom of this first cylindrical shell 1, the bottom of the first cylindrical shell 1 is communicated with the second cylindrical shell 2, air inlet pipe 3 is located at the top of the first cylindrical shell 1, and slag-drip opening 5 is located at the bottom of the second cylindrical shell 2, and escape pipe 4 is located at the bottom of the second cylindrical shell 2 and is positioned at the top of slag-drip opening 5, the top of the first cylindrical shell 1 is provided with the first spray equipment 6, multiple first jet 62 that this first spray equipment 6 comprises the first annular water inlet pipe 61 and is connected with the first annular water inlet pipe 61, first annular water inlet pipe 61 is positioned at the periphery of air inlet pipe 3, the position that first cylindrical shell 1 is relative with first jet 62 is provided with the first through hole, first jet 62 is passed this first through hole and is tightly connected by ring flange and the first through hole, nozzle is arranged on the outside of cylindrical shell by ring flange, form external spray device, the probability that nozzle is blocked by flue dust can be reduced on the one hand, ring flange can facilitate the installation and removal of first jet and the first cylindrical shell on the other hand, in dust removal process, first jet 62 can carry out dismounting by ring flange in time when blocking occurring or damaging and change, shutdown is not needed to carry out maintain and replace, the below that the inside of the first cylindrical shell 1 is positioned at first jet 62 is provided with the first spiral board 7, this first spiral board 7 pairs of flue gases carry out cyclonic action to change the movement locus of flue gas, by flue gas originally for the vertical flow direction changes over the motion in vertical spin shape direction, flue gas can be made thus effectively to contact with water, to improve one-time dedusting effect.
The first jet 62 of the present embodiment is connected with the first annular water inlet pipe 61 by sebific duct, and each first jet 62 adopts a stop valve to control respectively, adjustable with the flow realizing each nozzle.
The top of second cylindrical shell 2 of the present embodiment is provided with the second spray equipment 8, multiple second nozzles 82 that this second spray equipment 8 comprises the second annular water inlet pipe 81 and is connected with the second annular water inlet pipe 81, the periphery at the top of the second cylindrical shell 2 is located at by second annular water inlet pipe 81, the position that second cylindrical shell 2 is relative with second nozzle 82 is provided with the second through hole, second nozzle 82 is passed the second through hole and is tightly connected by ring flange and the second through hole, the below that the inside of the second cylindrical shell 2 is positioned at second nozzle 82 is provided with the second spiral board 9, this second spiral board 9 pairs of flue gases carry out cyclonic action to change the movement locus of flue gas, by flue gas originally for the vertical flow direction changes over the motion in vertical spin shape direction, flue gas can be made thus effectively to contact with water, to improve final dusting effect.
The second nozzle 82 of the present embodiment is connected with the second annular water inlet pipe 81 by sebific duct, and each second nozzle 82 adopts a stop valve to control respectively, adjustable with the flow realizing each nozzle.
Because the length of the first cylindrical shell 1 is longer, if only arrange spiral board at the top of the first cylindrical shell, so the flue gas of the first cylindrical shell bottom can become vertical direction again by vertical spin direction under gravity, therefore, second spiral board 9 of the present embodiment is extended by the inside of the second cylindrical shell 2 to the first cylindrical shell 1, flue gas is made to carry out twice eddy flow through the first spiral board 7 and the second spiral board 9 respectively in the first cylindrical shell 1, and then the movement locus of the flue gas of guarantee the first cylindrical shell 1 inside is in vertical spin direction, guarantees that flue gas is effectively absorbed by shower water in the first cylindrical shell.
The deduster of the present embodiment also comprises support column 10, and this support column 10 is located at the center of the first cylindrical shell 1, and for fixing the first spiral board 7 and the second spiral board 9, the top of support column 10 is taper, to facilitate installation.Wherein, first spiral board 7 and the second spiral board 8 can adopt fiber glass reinforced polypropylene material or stainless steel material to make, be preferably and adopt stainless steel material to make, stainless steel material corrosion resistance is strong, and adopting steel to make due to whole cylindrical shell, the spiral board that stainless steel material is made easily is installed, and spiral board comprises multiple blade, the plurality of blade is helical form under the state of overlooking, and the direction of flue gas is changed into vertical spin shape by vertical direction.
The present embodiment adopts the structure of double shell, the time of contact of prolong smoke and spray water, in addition, deflection plate 11 is provided with in the junction of the bottom of the first cylindrical shell 1 and the second cylindrical shell 2, to make flue gas from the bottom baffling of the first cylindrical shell to the process of the second cylindrical shell, due to gravity and the reason of inertia force and the water surface good contact of cylinder body bottom, dust removing effects can be improved.
The aspect ratio H1/H2 of the first cylindrical shell 1 and the second cylindrical shell 2 is: 1.2-1.7, and this aspect ratio is preferably 1.48, and preferably, the height H 1 of the first cylindrical shell 1 can be 10.5m, and the height H 2 of the second cylindrical shell 2 can be 7.1m.First cylindrical shell 1 of the present embodiment and the second cylindrical shell 2 arrange the aspect ratio of 1.2-1.7, and can be twice dedusting provides enough strokes to contact with water for flue gas, and its dust removing effects is optimum.The diameter of the first cylindrical shell 1 and the second cylindrical shell 2 than D1/D2 is: 0.5-0.8, and this diameter is than being preferably 0.7, and preferably, the diameter D1 of the first cylindrical shell 1 is 4.2m, and the diameter D2 of the second cylindrical shell 2 is 6m.
The utility model also provides a kind of dust collection method based on above-mentioned boiler dust remover, and it specifically comprises the following steps:
S1, flue gas enter in the first cylindrical shell from air inlet pipe, change the movement locus of flue gas under the cyclonic action of the first spiral board, and the movement locus of flue gas changes into vertical spin direction by vertical direction, and carry out one-time dedusting under the spray effect of the first spray equipment;
When during the first jet of the first spray equipment is by flue gas during dust granules blocking, by the ring flange that dismounting first jet is connected with the first cylindrical shell, to be removed from the first cylindrical shell by first jet, this process does not need shutdown just can realize, and improves operating efficiency;
S2, flue gas after one-time dedusting enter the second cylindrical shell by the bottom of the first cylindrical shell, because the height of the first cylindrical shell is larger, the movement locus of the flue gas of its underpart can change into vertical direction by vertical spin direction under gravity, therefore, flue gas after one-time dedusting again changes the movement locus of flue gas under the cyclonic action of the second spiral board, become vertical spin direction, and carry out final dusting under the spray effect of the second spray equipment;
When during the second nozzle of the second spray equipment is by flue gas during dust granules blocking, by the ring flange that dismounting second nozzle is connected with the second cylindrical shell, to be removed from the second cylindrical shell by second nozzle, this process does not need shutdown just can realize, and improves operating efficiency;
The mixture of S3, dust granules after final dusting and water is discharged from slag-drip opening, and the flue gas after filtration reaches national requirements for environmental protection, is discharged by escape pipe.
In order to ensure dust removing effects, the maximum flue gas flow rate of the flue gas of the present embodiment is 4.3M
3/ s.
Preferably, in step S2, flue gas after one-time dedusting enters the second cylindrical shell after the deflection plate of the first cylinder body bottom carries out baffling, flue gas after one-time dedusting is effectively contacted with the water surface of the first cylinder body bottom, enters after the dust granules in flue gas is only absorbed by the water in the second cylindrical shell and carry out final dusting.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (8)
1. a boiler dust remover, it is characterized in that, described deduster comprises the first cylindrical shell, the second cylindrical shell, air inlet pipe, escape pipe and slag-drip opening, described second cylindrical shell is located at the outside of described first cylindrical shell and is positioned at the bottom of described first cylindrical shell, the bottom of described first cylindrical shell is communicated with described second cylindrical shell, described air inlet pipe is located at the top of described first cylindrical shell, described slag-drip opening is located at the bottom of described second cylindrical shell, and described escape pipe is located at the bottom of described second cylindrical shell and is positioned at the top of described slag-drip opening;
The top of described first cylindrical shell is provided with the first spray equipment, multiple first jet that described first spray equipment comprises the first annular water inlet pipe and is connected with described first annular water inlet pipe, described first annular water inlet pipe is positioned at the periphery of described air inlet pipe, the position that described first cylindrical shell is relative with described first jet is provided with the first through hole, described first jet is through described first through hole being tightly connected by ring flange and described first through hole, and the below that the inside of described first cylindrical shell is positioned at described first jet is provided with the first spiral board.
2. boiler dust remover according to claim 1, it is characterized in that, the top of described second cylindrical shell is provided with the second spray equipment, multiple second nozzles that described second spray equipment comprises the second annular water inlet pipe and is connected with described second annular water inlet pipe, the periphery at the top of described second cylindrical shell is located at by described second annular water inlet pipe, the position that described second cylindrical shell is relative with described second nozzle is provided with the second through hole, described second nozzle is passed described second through hole and is tightly connected by ring flange and described second through hole, the below that the inside of described second cylindrical shell is positioned at described second nozzle is provided with the second spiral board.
3. boiler dust remover as claimed in claim 2, it is characterized in that, described second spiral board is extended by the inside of the second cylindrical shell to the first cylindrical shell.
4. boiler dust remover as claimed in claim 3, it is characterized in that, described deduster also comprises support column, and described support column is located at the center of described first cylindrical shell, for fixing described first spiral board and the second spiral board.
5. boiler dust remover as claimed in claim 2, is characterized in that, described first spiral board and the second spiral board adopt fiber glass reinforced polypropylene material or stainless steel material to make.
6. the boiler dust remover as described in any one of claim 1-5, is characterized in that, the bottom of described first cylindrical shell and the junction of described second cylindrical shell are provided with deflection plate.
7. the boiler dust remover as described in any one of claim 1-5, is characterized in that, the aspect ratio of described first cylindrical shell and the second cylindrical shell is: 1.2-1.7.
8. the boiler dust remover as described in any one of claim 1-5, is characterized in that, the diameter ratio of described first cylindrical shell and the second cylindrical shell is: 0.5-0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720428.9U CN204337939U (en) | 2014-11-25 | 2014-11-25 | Boiler dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720428.9U CN204337939U (en) | 2014-11-25 | 2014-11-25 | Boiler dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204337939U true CN204337939U (en) | 2015-05-20 |
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ID=53221243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420720428.9U Expired - Fee Related CN204337939U (en) | 2014-11-25 | 2014-11-25 | Boiler dust remover |
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| Country | Link |
|---|---|
| CN (1) | CN204337939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399336A (en) * | 2014-11-25 | 2015-03-11 | 广西农垦糖业集团红河制糖有限公司 | Boiler dust collector and dust collection method |
-
2014
- 2014-11-25 CN CN201420720428.9U patent/CN204337939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399336A (en) * | 2014-11-25 | 2015-03-11 | 广西农垦糖业集团红河制糖有限公司 | Boiler dust collector and dust collection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20191125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |