CN210125625U - Dust removal collection ash pipeline and dust removal collection ash structure - Google Patents
Dust removal collection ash pipeline and dust removal collection ash structure Download PDFInfo
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- CN210125625U CN210125625U CN201920719490.9U CN201920719490U CN210125625U CN 210125625 U CN210125625 U CN 210125625U CN 201920719490 U CN201920719490 U CN 201920719490U CN 210125625 U CN210125625 U CN 210125625U
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Abstract
The utility model relates to a dust removal field of power plant discloses a dust removal collection grey pipeline and dust removal collection grey structure, and this dust removal collection grey pipeline includes: a dust suction pipe and at least one dust suction hood; each dust hood is provided with a dry dust pipeline and a wet dust pipeline corresponding to the dust hood, valves are arranged on the dry dust pipeline and the wet dust pipeline, and each dust hood is connected with the first end of each dust absorption pipeline through the corresponding dry dust pipeline and the corresponding wet dust pipeline; the second end of the dust collection pipeline is connected with the flue, a dust remover arranged behind the flue is used as dust removal equipment so as to reach the emission standard, and the dust removal power is the negative pressure of a boiler induced draft fan. The utility model discloses a flying dust is handled to the draught fan that has allowance among the former equipment of power plant, with dust cage and dust absorption pipeline through the dry grey pipeline that is equipped with the valve and the wet grey pipeline intercommunication that is equipped with the valve to with dust absorption pipeline's export setting and flue intercommunication, utilize the draught fan to carry out the negative pressure dust absorption, with can purify power plant dry ash and wet ash simultaneously, reach the effect of negative pressure dust absorption.
Description
Technical Field
The utility model relates to a dust removal field of power plant, in particular to dust removal collection grey pipeline and dust removal collection grey structure.
Background
A large amount of furnace dust can be generated during the operation of the coal-fired power plant boiler, the furnace dust is treated by an electrostatic dust collector and other equipment and then is conveyed to an ash storehouse, and partial dust mixed with water vapor escapes. This phenomenon is extremely harmful to surrounding workers and the environment. In order to protect the health of workers and the surrounding environment, a dust collecting device is required to be installed at the bottom of the ash storehouse so as to eliminate the hidden trouble. However, when ash is put in the ash storehouse, water is added for stirring treatment, a large amount of water vapor is mixed with dust, and if a common bag-type dust collector is blocked, the dust collector fails.
In order to solve the above problems, there is an urgent need for a device capable of treating fly ash (dry ash and wet ash) with water vapor in an ash silo to meet the emission standards of smoke and dust required by environmental protection.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of above-mentioned technical defect and application demand, this application provides a dust removal collection ash pipeline and dust removal collection ash structure to solve current structure when reaching smoke and dust emission standard, be difficult to handle the problem of mingling with a large amount of steam fly ashes.
(II) technical scheme
In order to solve the above problem, the utility model provides a dust removal collection grey pipeline, include: a dust suction pipe and at least one dust suction hood; each dust hood is provided with a dry dust pipeline and a wet dust pipeline corresponding to the dust hood, valves are arranged on the dry dust pipeline and the wet dust pipeline, and each dust hood is connected with the first end of the dust collection pipeline through the corresponding dry dust pipeline and the corresponding wet dust pipeline; the second end of dust absorption pipeline is connected with the flue, the flue is equipped with the draught fan that is used for providing dust absorption power.
Further, still include: a main valve; the main valve is arranged on the dust collection pipeline and used for controlling the opening of the dust collection pipeline.
Furthermore, a plurality of dry ash dust suction ports are formed in the dry ash pipeline, and a plurality of wet ash dust suction ports are formed in the wet ash pipeline.
Furthermore, the dust hood is a hollow structure with an opening at the top.
Further, the dust suction duct includes: the first dust absorption pipe section and the second dust absorption pipe section are connected in sequence; the first end of the first dust suction pipe section is connected with the dry dust pipeline and the wet dust pipeline, the second end of the first dust suction pipe section is connected with the first end of the second dust suction pipe section, and the second end of the second dust suction pipe section is connected with the flue.
Further, the dust suction duct further includes: a reducer union; and the second end of the first dust suction pipe section is connected with the first end of the second dust suction pipe section through the reducing joint.
Further, the outer diameter of the first dust absorption pipe section is 400-450mm, and the wall thickness is 3-5 mm; the outer diameter of the second dust suction pipe section is 450-550mm, and the wall thickness is 3-5 mm.
Further, the valve is an electric round air door, and the outer diameter of the valve is 250 mm and 350 mm; the main valve is an electric round air door, and the outer diameter of the main valve is 450-550 mm; the wall thickness of the dust hood is 3-5 mm.
In order to solve the above problem, the utility model also provides a dust removal collection grey structure, include: flue, ash storehouse and the above-mentioned dust-removing ash-collecting pipeline; each ash storehouse is provided with a dust hood corresponding to the ash storehouse, and the dust hood surrounds the ash discharging opening of the ash storehouse and is arranged below the ash discharging opening of the ash storehouse.
Furthermore, the flue is an inlet flue of the absorption tower, and a dry ash bulk machine and a stirrer are arranged in the ash storehouse.
(III) advantageous effects
The utility model provides a dust removal collection grey pipeline and dust removal collection grey structure handles the flying dust through adopting the draught fan that has allowance among the former equipment of power plant, with dust cage and dust absorption pipeline through the dry grey pipeline that is equipped with the valve and the wet grey pipeline intercommunication that is equipped with the valve to with dust absorption pipeline's export setting and flue intercommunication, utilize the draught fan to carry out the negative pressure dust absorption, with can purify power plant dry ash and wet ash simultaneously, reach the effect of negative pressure dust absorption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a dust-removing and dust-collecting pipeline and a dust-removing and dust-collecting structure provided by an embodiment of the present invention;
wherein, 1: a dust collection duct; 2: a dust hood; 3: a dry ash pipeline; 4: a wet ash pipeline; 5: a valve; 6: a flue; 7: an induced draft fan; 8: a main valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a dust removal collection grey pipeline, as shown in figure 1, this dust removal collection grey pipeline includes: a dust suction pipe 1 and at least one dust suction hood 2. Every suction hood 2 all is equipped with rather than the dry grey pipeline 3 and the wet grey pipeline 4 that correspond, all is equipped with valve 5 on dry grey pipeline 3 and the wet grey pipeline 4, and every suction hood 2 all is connected with the first end of dust absorption pipeline 1 through the dry grey pipeline 3 that corresponds and the wet grey pipeline 4 that corresponds. The second end of the dust absorption pipeline 1 is connected with a flue 6, and the flue 6 is provided with an induced draft fan 7 for providing dust absorption power. Negative pressure dust collection can be carried out by using the furnace induced draft fan 7.
Wherein, the dust hood 2 is a hollow structure with an opening at the top. The dust hood 2 surrounds the ash discharging port of the ash storehouse and is arranged below the ash discharging port of the ash storehouse, the size of the dust hood is larger than that of a carriage of the ash residue transport vehicle, and the height of the dust hood is slightly higher than that of the carriage. The wall thickness of the suction hood 2 is 3-5mm, preferably 4 mm. The valve 5 can be an electric round air door, and the outer diameter of the valve 5 is 250 mm and 350mm, preferably 300 mm.
In the working process, if the transport vehicle unloads dry ash in the ash storehouse, the valve 5 corresponding to the dry ash pipeline 3 is opened, the induced draft fan 7 acts on the dust absorption pipeline 1 through the flue 6, the dry ash in the ash storehouse enters the flue 6 through the dust absorption pipeline 1, and finally the dry ash is treated through the absorption tower. If the transport vehicle unloads wet ash in the ash storehouse, the valve 5 corresponding to the wet ash pipeline 4 is opened, the induced draft fan 7 acts on the dust absorption pipeline 1 through the flue 6, the wet ash in the ash storehouse enters the flue 6 through the dust absorption pipeline 1, and finally the wet ash is treated through the absorption tower. It can be understood that if both dry ash and wet ash are present in the ash silo, the valves 5 corresponding to the dry ash pipe 3 and the wet ash pipe 4 can be opened simultaneously to allow both dry ash and wet ash to enter the dust suction pipe 1.
The embodiment of the utility model provides a dust removal collection grey pipeline handles the flying dust through adopting the draught fan that has allowance among the former equipment of power plant, with dust absorption cover and dust absorption pipeline through the dry grey pipeline that is equipped with the valve and the wet grey pipeline intercommunication that is equipped with the valve to with the export setting and the flue intercommunication of dust absorption pipeline, utilize the draught fan to carry out the negative pressure dust absorption, with can purify power plant dry ash and wet ash simultaneously, reach the effect of negative pressure dust absorption.
In an embodiment according to the present invention, as shown in fig. 1, the dust collecting and ash collecting pipeline is suitable for a structure provided with a plurality of ash storehouses, in this embodiment, 3 ash storehouses are provided, namely, a first ash storehouse, a second ash storehouse and a third ash storehouse. Each dust storehouse corresponds to a dust hood 2, namely the first dust storehouse, the second dust storehouse and the third dust storehouse are provided with the dust hoods 2. The dust hood 2 is arranged around the two dust discharge openings of each dust storehouse, the width of the dust hood 2 is slightly wider than that of a carriage of the wet dust conveying vehicle, and the length of the dust hood 2 is prolonged to one meter at each of two ends of the dust storehouse, so that floating dust is prevented from escaping. Each dust hood 2 is provided with a dry ash pipeline 3 and a wet ash pipeline 4 corresponding to the dust hood. Three ash storehouses are 6 electronic round air doors altogether, can be the dry ash or the wet ash isolated operation in every ash storehouse, do not influence each other to guarantee that there is sufficient negative pressure inside the pipeline, avoid floating dust to escape, with guarantee that there is sufficient negative pressure inside the pipeline, avoid floating dust to escape.
It is understood that if only dry ash or only wet ash is present in the ash silo, only a dry ash conduit 3 or a wet ash conduit 4 may be provided.
Wherein, be equipped with a plurality of dry ash dust absorption mouths on the dry ash pipeline 3, be equipped with a plurality of wet ash dust absorption mouths on the wet ash pipeline 4. Generally, each dry ash pipeline 3 is provided with two dry ash dust suction ports, each wet ash pipeline 4 is provided with two wet ash dust suction ports, and the dry ash dust suction ports and the wet ash dust suction ports are all steel pipes with the diameter of phi 325 multiplied by 4 mm.
Wherein, this dust removal collection grey pipeline still includes: a main valve 8. The main valve 8 is arranged on the dust suction pipeline 1 and is used for controlling the opening of the dust suction pipeline 1. The main valve 8 can be an electric round air door, and the outer diameter of the main valve 8 is 450mm and 550mm, preferably 500 mm.
In this embodiment, the dust suction duct 1 includes: the first dust absorption pipe section and the second dust absorption pipe section are connected in sequence. The first end of the first dust suction pipe section is connected with the dry dust pipeline 3 and the wet dust pipeline 4, the second end of the first dust suction pipe section is connected with the first end of the second dust suction pipe section, and the second end of the second dust suction pipe section is connected with the flue 6. Dust absorption pipeline 1 still includes: a reducing joint. The second end of the first dust suction pipe section is connected with the first end of the second dust suction pipe section through a reducing joint.
Wherein, the outer diameter of the first dust absorption pipe section is 400-450mm, the wall thickness is 3-5mm, and the pipeline with phi 426 multiplied by 4mm is preferred. The outer diameter of the second dust suction pipe section is 450mm and 550mm, and the wall thickness is 3-5mm, preferably a pipe with the diameter of 530 x 4 mm. The specification of the reducing joint is 530mm/426 mm.
The embodiment of the utility model provides a dust removal collection grey pipeline need not independent sack cleaner, only utilize the draught fan to carry out the negative pressure dust absorption, handle the flying dust through the draught fan that has allowance in adopting the former equipment of power plant promptly, with dust hood and dust absorption pipeline through the dry grey pipeline that is equipped with the valve and the wet grey pipeline intercommunication that is equipped with the valve, and with dust absorption pipeline's export setting and flue intercommunication, utilize the draught fan to carry out the negative pressure dust absorption, with can purify power plant dry ash and wet ash simultaneously, reach the effect of negative pressure dust absorption.
The embodiment of the utility model provides a dust removal collection grey structure, as shown in figure 1, dust removal collection grey structure includes: flue 6, ash storehouse and dust removal collection ash pipeline. Dust removal collection ash pipeline includes: a dust suction pipe 1 and at least one dust suction hood 2. Every suction hood 2 all is equipped with rather than the dry grey pipeline 3 and the wet grey pipeline 4 that correspond, all is equipped with valve 5 on dry grey pipeline 3 and the wet grey pipeline 4, and every suction hood 2 all is connected with the first end of dust absorption pipeline 1 through the dry grey pipeline 3 that corresponds and the wet grey pipeline 4 that corresponds. The second end of the dust absorption pipeline 1 is connected with a flue 6, and the flue 6 is provided with an induced draft fan 7 for providing dust absorption power. Each ash storehouse is provided with a dust hood 2 corresponding to the ash storehouse, and the dust hood 2 surrounds the ash discharging opening of the ash storehouse and is arranged below the ash discharging opening of the ash storehouse.
Wherein, the flue 6 is an inlet flue of the absorption tower, and a dry ash bulk machine and a stirrer are arranged in the ash storehouse. The mixer is special for discharging wet ash, and the transport vehicle is a bucket type load-carrying truck. The dry ash bulk machine is specially used for placing dry ash, and the transport vehicle is a special truck for can-type powder.
In the working process, if the transport vehicle unloads dry ash in the ash storehouse, the valve 5 corresponding to the dry ash pipeline 3 is opened, the induced draft fan 7 acts on the dust absorption pipeline 1 through the flue 6, the dry ash in the ash storehouse enters the flue 6 through the dust absorption pipeline 1, and finally the dry ash is treated through the absorption tower. If the transport vehicle unloads wet ash in the ash storehouse, the valve 5 corresponding to the wet ash pipeline 4 is opened, the induced draft fan 7 acts on the dust absorption pipeline 1 through the flue 6, the wet ash in the ash storehouse enters the flue 6 through the dust absorption pipeline 1, and finally the wet ash is treated through the absorption tower. It can be understood that if both dry ash and wet ash are present in the ash silo, the valves 5 corresponding to the dry ash pipe 3 and the wet ash pipe 4 can be opened simultaneously to allow both dry ash and wet ash to enter the dust suction pipe 1.
To sum up, the embodiment of the utility model provides a dust removal collection grey structure handles the flying dust through adopting the draught fan that has allowance among the former equipment of power plant, with dust absorption cover and dust absorption pipeline through the dry ash pipeline that is equipped with the valve and the wet ash pipeline intercommunication that is equipped with the valve to with dust absorption pipeline's export setting and flue intercommunication, utilize the draught fan to carry out the negative pressure dust absorption, with can purify power plant dry ash and wet ash simultaneously, reach the effect of negative pressure dust absorption.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A dust removal and collection pipe is characterized by comprising:
a dust suction pipe and at least one dust suction hood; each dust hood is provided with a dry dust pipeline and a wet dust pipeline corresponding to the dust hood, valves are arranged on the dry dust pipeline and the wet dust pipeline, and each dust hood is connected with the first end of the dust collection pipeline through the corresponding dry dust pipeline and the corresponding wet dust pipeline; the second end of dust absorption pipeline is connected with the flue, the flue is equipped with the draught fan that is used for providing dust absorption power.
2. The dust-removing and ash-collecting duct of claim 1, further comprising: a main valve; the main valve is arranged on the dust collection pipeline and used for controlling the opening of the dust collection pipeline.
3. The dust-removing and dust-collecting duct of claim 1, wherein a plurality of dry dust-collecting openings are provided on the dry dust duct, and a plurality of wet dust-collecting openings are provided on the wet dust duct.
4. The dust removal and collection duct of claim 1, wherein the suction hood is a hollow structure with an opening at the top.
5. The dust removal and collection duct of claim 1, wherein the dust collection duct comprises: the first dust absorption pipe section and the second dust absorption pipe section are connected in sequence; the first end of the first dust suction pipe section is connected with the dry dust pipeline and the wet dust pipeline, the second end of the first dust suction pipe section is connected with the first end of the second dust suction pipe section, and the second end of the second dust suction pipe section is connected with the flue.
6. The dust removal and collection duct of claim 5, further comprising: a reducer union; and the second end of the first dust suction pipe section is connected with the first end of the second dust suction pipe section through the reducing joint.
7. The dust-removing and dust-collecting pipeline as claimed in claim 6, wherein the outer diameter of the first dust-absorbing pipeline section is 400-450mm, and the wall thickness is 3-5 mm; the outer diameter of the second dust suction pipe section is 450-550mm, and the wall thickness is 3-5 mm.
8. The dust-removing and ash-collecting pipeline as claimed in claim 2, wherein the valve is an electric round air door, and the outer diameter of the valve is 250 mm and 350 mm; the main valve is an electric round air door, and the outer diameter of the main valve is 450-550 mm; the wall thickness of the dust hood is 3-5 mm.
9. A dust removal collection grey structure which characterized in that includes: a flue, an ash silo and the dust removal and collection pipeline of any one of claims 1 to 8; each ash storehouse is provided with a dust hood corresponding to the ash storehouse, and the dust hood surrounds the ash discharging opening of the ash storehouse and is arranged below the ash discharging opening of the ash storehouse.
10. The dust-removing and ash-collecting structure of claim 9, wherein the flue is an inlet flue of an absorption tower, and the ash storehouse is provided with a dry ash bulk machine and a stirrer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719490.9U CN210125625U (en) | 2019-05-17 | 2019-05-17 | Dust removal collection ash pipeline and dust removal collection ash structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719490.9U CN210125625U (en) | 2019-05-17 | 2019-05-17 | Dust removal collection ash pipeline and dust removal collection ash structure |
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| Publication Number | Publication Date |
|---|---|
| CN210125625U true CN210125625U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920719490.9U Active CN210125625U (en) | 2019-05-17 | 2019-05-17 | Dust removal collection ash pipeline and dust removal collection ash structure |
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|---|---|
| CN (1) | CN210125625U (en) |
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- 2019-05-17 CN CN201920719490.9U patent/CN210125625U/en active Active
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