CN103953268A - Manhole door sealing structure of deduster - Google Patents
Manhole door sealing structure of deduster Download PDFInfo
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- CN103953268A CN103953268A CN201410156637.XA CN201410156637A CN103953268A CN 103953268 A CN103953268 A CN 103953268A CN 201410156637 A CN201410156637 A CN 201410156637A CN 103953268 A CN103953268 A CN 103953268A
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- manhole door
- man
- hole opening
- sealing ring
- manhole
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Abstract
A manhole door sealing structure of a deduster belongs to the technical field of industrial dedusting facilities. The deduster comprises a dedusting box body and a manhole door; a manhole port is formed in the top of the dedusting box body; the manhole door sealing structure comprises a manhole port seal ring and a manhole door seal ring; the manhole door sealing structure is characterized in that a manhole seal ring seat is fixed at the top of the dedusting box body; the lower part of the manhole port seal ring forms a manhole port seal ring support flange; the manhole port seal ring is arranged at one upward side of the manhole port seal ring support flange; a manhole door seal ring embedding cavity is formed at one upward side of the manhole door; the manhole door seal ring is arranged in the manhole door seal ring embedding cavity; as the manhole door seal ring and the upper surface of the manhole port seal ring seat are in contact with each other, and the peripheral edge of the bottom of the manhole door and the manhole port seal ring are in contact with each other, the manhole door seal ring, the manhole port seal ring seat and the manhole port seal ring jointly form dual sealing. The structure is simplified, the cost is reduced, the sealing effect is excellent, and the manhole door sealing structure is convenient to select without nitpicking.
Description
Technical field
The invention belongs to industrial dedusting facility technology field, be specifically related to a kind of manhole door hermetically-sealed construction of dust arrester.
Background technology
Air leak rate of air curtain is to consider an important indicator of dust arrester, and for example China's power industry standard specifies that the air leak rate of air curtain of electrostatic precipitator should be less than 3%.With regard to upper odd test type exhaust dust device with bag, the stable operation of filtration velocity, equipment resistance and the whole dust pelletizing system of the size of air leak rate of air curtain to dust arrester has a direct impact.Along with the continuous expansion of dust arrester specification, especially due on take out bag type exhaust dust device with bag and need change filter bag at dust cleaning case casing top, thereby need some manhole doors be set at dust cleaning case casing top, and the quantity of manhole door reaches tens of and even up to a hundred more than.So, if can not embody excellent sealing effectiveness between manhole door and dust cleaning case casing, just the factor of aforementioned affect dust arrester steady operation cannot be avoided so.
In prior art, generally use single track sealing for the manhole door of the dust arrester moving under high negative pressure operating mode, though single track sealing has strong point simple in structure, but be difficult to meet the sealing effectiveness that industry is expected.
In disclosed Chinese patent literature, can be seen in the technical information of the manhole door structure of dust arrester, " sealing device for electric-precipitation double-layer square manhole door " typically recommended as notice of authorization CN201891355U, this patent scheme arranges inside door and external door at the position that is manhole access hole corresponding to dust cleaning case casing entrance, inside door forms sealing by inside door sealing ring (patent claims inside door single track potted line sealing ring) and manhole access hole, external door forms sealing by external door sealing ring (patent claims external door double sealing linear sealing circle) and manhole access hole, this patent scheme objectively can embody the technique effect of the 0008th to 0012 section of record of its manual, but there is following shortcoming: one, due to this patent scheme for be the dust cleaning case casing that only needs a manhole access hole, be applicable to the electrostatic precipitator of power industry, thereby do not there is referential meaning for the aforementioned bag type exhaust dust device with bag of taking out that numerous manhole doors need to be set, they are two years old, if use for reference the enlightenment of this patent, the manhole door at the dust cleaning case casing top of upper axle bag type exhaust dust device with bag is designed to inside and outside door, so not only cause complex structure and the wasting of resources, and in use formation inconvenience, because on take out the dust-removing box top of bag type exhaust dust device with bag manhole door be generally not gate axis structure, so-called not gate axis structure refers to that manhole door and dust cleaning case casing do not exist pivotable annexation, and no matter this patent scheme is that inside door or external door are all that hinge and dust cleaning case casing are pivotally connected by hinge separately, its three, because the inside door sealing ring of patent and external door sealing ring are lost rationally with the structure that inside and outside door matches respectively, thereby cannot form overall labyrinth sealing relation, the sealing effectiveness at manhole position can not reach the requirement of expectation, its four, due to sealing ring particularly external door sealing ring complex structure and be nonstandard product, thereby be difficult to obtain from commercially available channel.
For above-mentioned prior art, the applicant has done positive and useful design, has finally formed technical scheme described below.
Summary of the invention
Task of the present invention is to provide a kind of and contributes to significantly to simplify manhole door structure and use position between the man-hole opening sealing ring that reduces manufacturing cost and economize on resources, be conducive to make to be arranged at the manhole door sealing ring on manhole door and be arranged at dust cleaning case casing man-hole opening place and be tending towards rationally using and embody the desirable labyrinth sealing effect to man-hole opening, be of value to and abandon door-hinge and use requirement being conveniently set and having the manhole door hermetically-sealed construction of being convenient to simplify the structure of manhole door sealing ring and man-hole opening sealing ring and use the dust arrester of avoiding the fastidious situation to ring structure at dust cleaning case casing top that meet.
Task of the present invention completes like this, a kind of manhole door hermetically-sealed construction of dust arrester, described dust arrester comprises dust cleaning case casing and manhole door, form and have the endoceliac man-hole opening of dust cleaning case case that enters dust cleaning case casing for inspection personnel at the top of dust cleaning case casing, described manhole door matches with dust cleaning case casing in the position corresponding to above man-hole opening, described manhole door hermetically-sealed construction comprises man-hole opening sealing ring and manhole door sealing ring, be characterised in that: be fixed with around the surrounding of man-hole opening the man-hole opening packing holder that a ring is logical at the top of described dust cleaning case casing and in the position corresponding to described man-hole opening, form in the bottom of this man-hole opening packing holder and have a man-hole opening sealing ring supporting flanging, this man-hole opening sealing ring supporting flanging is towards described man-hole opening, described man-hole opening sealing ring is arranged on man-hole opening sealing ring supporting flanging towards a upper side, described manhole door matches with man-hole opening packing holder, this manhole door towards on a side edge and form and have the manhole door sealing ring embedding chamber that a ring is logical around the surrounding of manhole door, this manhole door sealing ring embedding chamber is corresponding with described man-hole opening packing holder, described manhole door sealing ring is arranged in manhole door sealing ring embedding chamber, in the time that manhole door matches with man-hole opening packing holder, contact with the upper surface of described man-hole opening packing holder by described manhole door sealing ring and contact with described man-hole opening sealing ring and make manhole door sealing ring by the position, edge of the bottom of manhole door, man-hole opening packing holder and man-hole opening sealing ring form double seal jointly.
In a specific embodiment of the present invention, the top of described dust cleaning case casing and the position of the surrounding around described man-hole opening packing holder be provided with interval state for to described manhole door towards on the edge locking of a side or the manhole door locking mechanism discharging.
In another specific embodiment of the present invention, described manhole door locking mechanism comprises screw rod and pressure gate plate, screw rod is fixed on the top of dust cleaning case casing with plumbness, pressure gate plate contacts towards the edge of a upper side with described manhole door, and offer a screw hole on this pressure gate plate, screw hole matches with screw rod, is equipped with one for the bolt and nut to the restriction of pressure gate plate on screw rod.
In another specific embodiment of the present invention, the shape of described pressure gate plate is 7 fonts.
In another specific embodiment of the present invention, on the outer wall of described dust cleaning case casing, be provided with insulation layer.
Also have in a specific embodiment of the present invention, described man-hole opening sealing supporting flanging forms a man-hole opening sealing ring embedding chamber, and this man-hole opening sealing ring embedding chamber is towards upper, and described man-hole opening sealing ring is embedded in this man-hole opening sealing ring embedding chamber.
More of the present invention and in a specific embodiment, the shape of cross section of described man-hole opening sealing ring is rectangle or square.
In of the present invention and then a specific embodiment, the shape of cross section of described manhole door sealing ring is rectangle or square.
Of the present invention again more and in a specific embodiment, described manhole door is sandwich, and in interlayer, be provided with manhole door insulation layer.
In again of the present invention and then a specific embodiment, on described manhole door, be provided with observation port and manhole door suspension hook circle.
Technical scheme provided by the invention due to respect to prior art without use inner-outer door simultaneously, only by manhole door to man-hole opening opening and closing of fault, thereby both simplified the structure, saved again manufacturing cost and resource; Due to being sealed and matched and being sealed in the mazy double seal of common formation by the bottom of manhole door with making manhole door sealing ring, man-hole opening packing holder and man-hole opening coordinating of man-hole opening sealing ring of the upper edge by manhole door sealing ring and man-hole opening packing holder, thereby there is excellent sealing effectiveness; Because manhole door is without using door-hinge, thereby can meets and at dust cleaning case casing top requirement is conveniently set; Simple in structure due to man-hole opening sealing ring and manhole door sealing ring, thus select convenient and without fastidious property.
Brief description of the drawings
Fig. 1 is embodiments of the invention structure chart.
Fig. 2 is the sectional view of Fig. 1.
Detailed description of the invention
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but be not all the restriction to the present invention program to the description of embodiment, any done according to the present invention design only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Refer to Fig. 1 and Fig. 2, provided a dust cleaning case casing 1 and manhole door 12, form at dust cleaning case casing 1 top and be useful on the man-hole opening 12 that enters the interior enforcement maintenance in dust cleaning case casing chamber 11 of dust cleaning case casing 1 for inspection personnel.Along with the variation of the specification of dust cleaning case casing 1, the also respective change of quantity of the man-hole opening 12 of offering at the top of dust cleaning case casing 1, for example applicant has mentioned that in background technology hurdle the quantity of manhole door 2 can reach tens of and even up to a hundred, therefore the quantity of the quantity of man-hole opening 12 and manhole door 2 keeps the relation of following in sb's footsteps, although the present embodiment is for the manhole door 2 matching with a man-hole opening 12, can not be understood as (fan) manhole door 2 that a dust cleaning case casing 1 only has a man-hole opening 12 and matches with man-hole opening 12.
Man-hole opening sealing ring 3 and manhole door sealing ring 4 as the structural system of manhole door hermetically-sealed construction of the present invention are separately positioned on man-hole opening 12 and manhole door 2.Shown in figure, be fixed with a man-hole opening packing holder 13 top surface and ring logical (i.e. " connection ") that is projected on dust cleaning case casing 1 at the top of dust cleaning case casing 1 and in the position corresponding to aforementioned man-hole opening 12 around the surrounding of man-hole opening 12, form in the bottom of this man-hole opening packing holder 13 and have a man-hole opening sealing ring supporting flanging 131, this man-hole opening sealing ring supporting flanging 131 towards interior towards man-hole opening 12, aforesaid man-hole opening sealing ring 3 is preferably arranged on this man-hole opening sealing ring supporting flanging 131 towards a upper side by means of bonding adhesive (being cementing agent).Aforesaid manhole door 2 matches with man-hole opening packing holder 13, manhole door 2 towards on a side edge and form and have the ring manhole door sealing ring embedding chamber 21 of logical (also can claim " connection ") around the surrounding of manhole door 2, this manhole door sealing ring embedding chamber 21 towards under, and corresponding with aforementioned man-hole opening packing holder 13.Aforesaid manhole door sealing ring 4 is preferably arranged in manhole door sealing ring embedding chamber 21 by means of bonding adhesive (being cementing agent).
From said structure, in the time that manhole door 2 matches with man-hole opening packing holder 13, contact with the upper surface of man-hole opening packing holder 13 by manhole door sealing ring 4 and simultaneously make manhole door sealing ring 4, man-hole opening packing holder 13 and a mazy double seal configuration of man-hole opening sealing ring 3 common formation with contacting of man-hole opening sealing ring 3 by the position, edge of the bottom of manhole door 2, form and be similar to the sealing of zigzag (or being referred to as font), the sealing effectiveness of this form is self-evident is ultimate attainment.
Please continue to refer to Fig. 1 and Fig. 2, locate with man-hole opening 12 in order to make aforementioned manhole door 2, therefore be provided with manhole door locking mechanism 14 at the top of dust cleaning case casing 1 and in the position of the surrounding around man-hole opening packing holder 13 with interval state, and manhole door locking mechanism 14 preferably but not the structure being definitely limited to be: comprise screw rod 141 and pressure gate plate 142, screw rod 141 is fixed on the top of dust cleaning case casing 1 with plumbness and is close to the position of man-hole opening packing holder 13 side outward, pressure gate plate 142 contacts towards the edge of a upper side with manhole door 2, and on this pressure gate plate 142, offer a screw hole 1421, screw hole 1421 matches with screw rod 141, on screw rod 141, be equipped with a bolt and nut 1411 for pressure gate plate 142 is limited.From the signal in figure, the shape of pressure gate plate 142 is 7 fonts of Arabic numerals, certainly also can claim it to be L font.
After manhole door 2 covers on the man-hole opening packing holder 13 that is assigned to man-hole opening 12 places, pressure gate plate 142 is pressed and manhole door 2 towards the edge of a upper side, then bolt and nut 1411 is operated to (by means of instrument, as spanner), thereby by pressure gate plate 142, manhole door 2 is limited, vice versa.
Preferably, the insulation layer 15 of being filled the post of by heat-preservation cotton or other similar material is set on the outer wall of aforementioned dust cleaning case casing 1.
Preferably, make aforementioned man-hole opening sealing ring supporting flanging 131 form man-hole opening sealing ring embedding chamber 1311 upwards on one day, man-hole opening sealing ring 3 is embedded in this man-hole opening sealing ring embedding chamber 1311, to play the effect that prevents that man-hole opening sealing ring 3 from escaping.
Because the shape of cross section of aforesaid man-hole opening sealing ring 3 and manhole door sealing ring 4 is that section configuration is all rectangle (can be also square), thereby structure is very simple, can facilitate acquisition by commercially available channel.Shape of cross section as for man-hole opening sealing ring 3 and manhole door sealing ring 4 is selected rectangle or square, depends on respectively the shape of cross section in manhole door sealing ring embedding chamber 21 and the shape of cross section in man-hole opening sealing ring embedding chamber 1311.
Aforesaid manhole door 2 is designed to sandwich, and arranges as the manhole door topping 22 to described in insulation layer 15 in interlayer.In addition, on manhole door 2, be also provided with observation port 23(and also can claim visor) and manhole door suspension hook circle 24.
In the time will manhole door 2 being placed on man-hole opening packing holder 13, so preferably draw by means of hanging apparatus and aforesaid manhole door suspension hook circle 24, and make man-hole opening packing holder 13 corresponding with manhole door sealing ring embedding chamber 21, , the top of man-hole opening packing holder 13 probes in manhole door sealing ring embedding chamber 21, now manhole door sealing ring 4 just forms and is sealed and matched with the upper surface of man-hole opening packing holder 13, position, edge and the man-hole opening sealing ring 3 of the bottom of manhole door 2 are sealed and matched simultaneously, the manhole door locking mechanism 14 of again applicant being mentioned in the above operates, make manhole door 2 in to the reliable closed state of man-hole opening 12.In the time will dispatching officers dust cleaning case casing chamber 11 to overhaul, by aforementioned inverse process, manhole door 2 is moved apart in man-hole opening 12 so, move apart in man-hole opening packing holder 13.
In sum, technical scheme provided by the invention has overcome the shortcoming in prior art, has successfully completed invention task, has cashed objectively the technique effect referring in the superincumbent technique effect of applicant hurdle.
Claims (10)
1.
a kind of manhole door hermetically-sealed construction of dust arrester, described dust arrester comprises dust cleaning case casing (1) and manhole door (2), form at the top of dust cleaning case casing (1) man-hole opening (12) having in the dust cleaning case casing chamber (11) that enters dust cleaning case casing (1) for inspection personnel, described manhole door (2) matches with dust cleaning case casing (1) in the position of the top corresponding to man-hole opening (12), described manhole door hermetically-sealed construction comprises man-hole opening sealing ring (3) and manhole door sealing ring (4), it is characterized in that: be fixed with around the surrounding of man-hole opening (12) the man-hole opening packing holder (13) that a ring is logical at the top of described dust cleaning case casing (1) and in the position corresponding to described man-hole opening (12), form and have a man-hole opening sealing ring supporting flanging (131) in the bottom of this man-hole opening packing holder (13), this man-hole opening sealing ring supporting flanging (131) is towards described man-hole opening (12), described man-hole opening sealing ring (3) is arranged on man-hole opening sealing ring supporting flanging (131) towards a upper side, described manhole door (2) matches with man-hole opening packing holder (13), form and have the manhole door sealing ring embedding chamber (21) that a ring is logical towards the edge of a upper side and around the surrounding of manhole door (2) at this manhole door (2), this manhole door sealing ring embedding chamber (21) is corresponding with described man-hole opening packing holder (13), described manhole door sealing ring (4) is arranged in manhole door sealing ring embedding chamber (21), in the time that manhole door (2) matches with man-hole opening packing holder (13), contact with the upper surface of described man-hole opening packing holder (13) by described manhole door sealing ring (4) and contact with described man-hole opening sealing ring (3) and make manhole door sealing ring (4) by the position, edge of the bottom of manhole door (2), man-hole opening packing holder (13) and man-hole opening sealing ring (3) form double seal jointly.
2.
the manhole door hermetically-sealed construction of dust arrester according to claim 1, is characterized in that at the top of described dust cleaning case casing (1) and is provided with for the manhole door locking mechanism (14) towards the locking of the edge of a upper side or release to described manhole door (2) with interval state in the position of the surrounding around described man-hole opening packing holder (13).
3.
the manhole door hermetically-sealed construction of dust arrester according to claim 2, it is characterized in that described manhole door locking mechanism (14) comprises screw rod (141) and pressure gate plate (142), screw rod (141) is fixed on the top of dust cleaning case casing (1) with plumbness, pressure gate plate (142) contacts towards the edge of a upper side with described manhole door (2), and offer a screw hole (1421) on this pressure gate plate (142), screw hole (1421) matches with screw rod (141), on screw rod (141), be equipped with one for the bolt and nut (1411) to pressure gate plate (142) restriction.
4.
the manhole door hermetically-sealed construction of dust arrester according to claim 3, is characterized in that the shape of described pressure gate plate (142) is 7 fonts.
5.
according to the manhole door hermetically-sealed construction of the dust arrester described in the arbitrary claim of claims 1 to 3, it is characterized in that being provided with insulation layer (15) on the outer wall of described dust cleaning case casing (1).
6.
the manhole door hermetically-sealed construction of dust arrester according to claim 1, it is characterized in that described man-hole opening sealing supporting flanging (131) formation has a man-hole opening sealing ring embedding chamber (1311), this man-hole opening sealing ring embedding chamber (1311) is towards upper, and described man-hole opening sealing ring (3) is embedded in this man-hole opening sealing ring embedding chamber (1311).
7.
according to the manhole door hermetically-sealed construction of the dust arrester described in claim 1 or 6, it is characterized in that the shape of cross section of described man-hole opening sealing ring (3) is rectangle or square.
8.
the manhole door hermetically-sealed construction of dust arrester according to claim 1, is characterized in that the shape of cross section of described manhole door sealing ring (4) is rectangle or square.
9.
according to the manhole door hermetically-sealed construction of the dust arrester described in the arbitrary claim of claims 1 to 3, it is characterized in that described manhole door (2) is for sandwich, and in interlayer, be provided with manhole door insulation layer (22).
10.
the manhole door hermetically-sealed construction of dust arrester according to claim 9, is characterized in that being provided with observation port (23) and manhole door suspension hook circle (24) on described manhole door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156637.XA CN103953268B (en) | 2014-04-18 | 2014-04-18 | The manhole door hermetically-sealed construction of dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156637.XA CN103953268B (en) | 2014-04-18 | 2014-04-18 | The manhole door hermetically-sealed construction of dust arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953268A true CN103953268A (en) | 2014-07-30 |
| CN103953268B CN103953268B (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410156637.XA Expired - Fee Related CN103953268B (en) | 2014-04-18 | 2014-04-18 | The manhole door hermetically-sealed construction of dust arrester |
Country Status (1)
| Country | Link |
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| CN (1) | CN103953268B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605355A (en) * | 2017-09-21 | 2018-01-19 | 韶关市优力环保设备技术有限公司 | A kind of observable door of sludge drying machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0379634A1 (en) * | 1989-01-27 | 1990-08-01 | HÜBNER Gummi- und Kunststoff GmbH | Structure for sealing gaps at loading doors |
| JP3142656U (en) * | 2008-04-10 | 2008-06-19 | 水上金属株式会社 | manhole |
| CN201891355U (en) * | 2010-09-26 | 2011-07-06 | 兰州电力修造厂 | Sealing device for electric-precipitation double-layer square manhole door |
| CN202899988U (en) * | 2012-10-26 | 2013-04-24 | 内蒙古大唐国际托克托发电有限责任公司 | Novel manhole door of coal crusher |
| CN203081196U (en) * | 2012-12-17 | 2013-07-24 | 张家口宣化昌通环保设备有限公司 | Blind plate manhole doors of electric precipitator |
| CN203783398U (en) * | 2014-04-18 | 2014-08-20 | 常熟中材装备环保输送机械有限公司 | Manhole door sealing structure of dust removal device |
-
2014
- 2014-04-18 CN CN201410156637.XA patent/CN103953268B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0379634A1 (en) * | 1989-01-27 | 1990-08-01 | HÜBNER Gummi- und Kunststoff GmbH | Structure for sealing gaps at loading doors |
| JP3142656U (en) * | 2008-04-10 | 2008-06-19 | 水上金属株式会社 | manhole |
| CN201891355U (en) * | 2010-09-26 | 2011-07-06 | 兰州电力修造厂 | Sealing device for electric-precipitation double-layer square manhole door |
| CN202899988U (en) * | 2012-10-26 | 2013-04-24 | 内蒙古大唐国际托克托发电有限责任公司 | Novel manhole door of coal crusher |
| CN203081196U (en) * | 2012-12-17 | 2013-07-24 | 张家口宣化昌通环保设备有限公司 | Blind plate manhole doors of electric precipitator |
| CN203783398U (en) * | 2014-04-18 | 2014-08-20 | 常熟中材装备环保输送机械有限公司 | Manhole door sealing structure of dust removal device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605355A (en) * | 2017-09-21 | 2018-01-19 | 韶关市优力环保设备技术有限公司 | A kind of observable door of sludge drying machine |
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| Publication number | Publication date |
|---|---|
| CN103953268B (en) | 2015-09-30 |
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Granted publication date: 20150930 Termination date: 20180418 |