CN205223209U - Methane -generating pit apron with vent flap - Google Patents
Methane -generating pit apron with vent flap Download PDFInfo
- Publication number
- CN205223209U CN205223209U CN201520846497.9U CN201520846497U CN205223209U CN 205223209 U CN205223209 U CN 205223209U CN 201520846497 U CN201520846497 U CN 201520846497U CN 205223209 U CN205223209 U CN 205223209U
- Authority
- CN
- China
- Prior art keywords
- methane
- ventilation
- generating pit
- cover
- ventilation hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Treatment Of Sludge (AREA)
Abstract
The utility model provides a methane -generating pit apron with vent flap, methane -generating pit apron center sets up cylindrical ventilation hole, and along set up annular shaped support plates around the ventilation hole, vent flap is round platform shape under the pore wall of ventilation hole, and its major diameter is held downwards and is connected through a round pin rotation and is in annular shaped support plates on, make it enclose rotate around the pin roll and open the ventilation hole by external force pulling vent flap, establish the retainer plate at the space inside callipers that vent flap lateral wall and ventilation hole pore wall enclose to can dismantle the retainer plate and fix on the methane -generating pit apron, with fixed vent flap. The utility model discloses need not to move the ventilation that the methane -generating pit can be realized to whole methane -generating pit apron, simple structure, the effect is obvious, operation safety.
Description
Technical field
The utility model belongs to plant's animal excrement processing technology field, is specifically related to a kind of methane-generating pit cover plate with ventilation cover.
Background technology
Along with the fast development of aquaculture, plant that is extensive, mechanize gets more and more, with the expansion of cultivation scale and what produce is exactly the process problem of animal excrement.The process of current animal excrement has following several approach: 1, directly sell, and has plantation enterprise or big farming household to visit purchase; 2, compost is put together; 3, the raw material as methane-generating pit carries out biogas fermentation, and utilizes biogas to form cyclic production pattern as the energy.And carry out fermentation produce biogas easy and simple to handle due to it, security is high, and (purchase if visited, causes stranger frequently to pass in and out plant, have the possibility increasing transmissible disease and occur or propagate), environmental protection, can also save the energy, reduce aquaculture cost, be more and more subject to the favor of breeding enterprise.
Be anaerobic environment in methane-generating pit, oxygen content is extremely low, usually below 4%, and easily cause the poisoning methane content of people's asphyxiating to be generally 55% ~ 70%, carbon dioxide content is about 35%, therefore, when entering in methane-generating pit to carry out operation under the personnel of needing repairing, first to ventilate to methane-generating pit, get rid of totally until the biogas in methane-generating pit and be allowed for access.Current people directly move methane-generating pit cover plate, ventilate with vacuum fan, but, proportion due to methane is less than air and carbonic acid gas proportion, therefore in methane-generating pit, methane is in upper strata, and in the process opening cover plate, methane is just run out of at once in methane-generating pit, because methane-generating pit cover plate weight is larger, moving, operating personnel's general head distance cover plate in cover plate process is nearer, so just be easy to suck the methane gas run out of, cause certain injury or even suffocate, therefore, when moving methane-generating pit cover plate, needs give special heed to, this brings certain trouble to operation undoubtedly.
Utility model content
The purpose of this utility model is to provide a kind of methane-generating pit cover plate with ventilation cover, by rotating the ventilation cover be arranged on methane-generating pit cover plate, operating personnel directly can move whole methane-generating pit cover plate, but ventilation cover can be opened by instrument outward in larger distance and carry out ventilating, after ventilation completes, remove methane-generating pit cover plate completely again, so just can avoid sucking too much methane gas and poisoning accident.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of methane-generating pit cover plate with ventilation cover, methane-generating pit cover plate central arranges cylindrical ventilation hole, along arranging annular backup pad around ventilation hole under ventilation hole hole wall, ventilation cover is truncated cone-shaped, its larger diameter end downwards and be rotatably connected on described annular backup pad by bearing pin, pull ventilation cover to make it rotate around bearing pin by external force and open ventilation hole, in the space that ventilation cover sidewall and ventilation hole hole wall surround, fixed ring established by card, and fixed ring is detachably fixed on methane-generating pit cover plate, with fixing ventilation cover.
Preferably, the thickness of described ventilation cover equals the degree of depth of ventilation hole.
Preferably, the sidewall of described ventilation cover arranges elastic sealing layer.
Preferably, the hole wall of described ventilation hole arranges elastic sealing layer.
Preferably, described ventilation cover top arranges handle.
The beneficial effects of the utility model are as follows:
1, the utility model offers ventilation hole on methane-generating pit cover plate, and rotation arranges ventilation cover, can realize the ventilation of methane-generating pit without the need to moving whole methane-generating pit cover plate, and structure is simple, successful, operational safety.
2, ventilation cover is set to truncated cone-shaped, and its larger diameter end is arranged down, the rotation space for ventilation cover rotating opening can be formed like this between ventilation cover and cover plate, operating personnel utilizes instrument to hook handle on ventilation cover, can by ventilation cover pull-up, make it rotate to be dynamically connected a rotating opening, thus avoid personnel directly close to ventilation hole.
3, ventilation cover can be fixed on methane-generating pit cover plate by fixed ring on the one hand, be convenient to the transfer to cover plate entirety or transhipment, on the other hand, fixed ring can improve the resistance to air loss between ventilation cover and ventilation hole, especially on the sidewall of ventilation cover and the hole wall of ventilation hole, arranges the resistance to air loss that elastic sealing layer further enhances methane-generating pit cover plate.
4, handle on ventilation cover is convenient to utilize instrument to be hooked in handle is upper opened by ventilation cover on the one hand, on the other hand, after opening ventilation cover, can be fixed by shaking hands to it, and can adjust the degree that ventilation cover opens as required.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the state graph after ventilation cover is opened.
Mark in figure: 1, methane-generating pit cover plate, 2, ventilation hole, 3, annular backup pad, 4, ventilation cover, 5, fixed ring, 6, handle.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is further described.
As shown in the figure, a kind of methane-generating pit cover plate with ventilation cover, cylindrical ventilation hole 2 is offered at the center of methane-generating pit cover plate 1, at methane-generating pit cover plate 1 lower surface, the annular backup pad 3 around ventilation hole 2 is set, annular backup pad 3 part is welded on methane-generating pit cover plate 1, another part then forms bearing surface in ventilation hole 2 lower end, a bearing pin is fixedly installed at bearing surface and ventilation hole 2 hole wall connection, described ventilation cover 4 is the truncated cone-shaped of hollow, its larger diameter end edge arranges the arc fastener that can be buckled on described bearing pin, be placed on down after on annular backup pad 3 in ventilation cover 4 larger diameter end, described fastener is buckled on bearing pin, and the thickness of ventilation cover 4 equals the degree of depth of ventilation hole 2, then be fastened on fixed ring 5 in the space formed between ventilation cover 4 sidewall and ventilation hole 2 hole wall, and fixed ring 5 is fixed by bolts on methane-generating pit cover plate 1, the inwall of described fixed ring 5 arranges the conical surface fitted with ventilation cover 4 sidewall, outer wall and ventilation hole 2 hole wall fit, side relative with described arc fastener on ventilation cover 4 arranges handle 6, ground outside methane-generating pit cover plate 1 arranges fixed leg, fixed leg is provided with the chain of adjustable length, the end of chain arranges hook, to be hooked on the handle 6 of ventilation cover 4.
Further, on the sidewall of ventilation cover 4 and on the hole wall of ventilation hole 2, rubber layer is all set as elastic sealing layer.
Further, on the sidewall at ventilation cover 4 and the hole wall of ventilation hole 2 is all arranged the groove of fixed seal ring, and sealing-ring is set in groove.
In use, take off the bolt of fixed ring 5, fixed ring 5 is taken out, then be hooked on the handle 6 of ventilation cover 4 with chain, then pull ventilation cover 4, make it upwards be rotated by bearing pin, and then by angle certain for ventilation cover 4 pull-up, and by the degree that the change adjustment ventilation hole 2 of pull-up angle is opened, then chain is fixed on fixed leg, vacuum fan can be used the biogas in methane-generating pit and other toxic gases to be extracted out.
Claims (5)
1. the methane-generating pit cover plate with ventilation cover, it is characterized in that: methane-generating pit cover plate (1) center arranges cylindrical ventilation hole (2), along arranging annular backup pad (3) around ventilation hole (2) under ventilation hole (2) hole wall, ventilation cover (4) is in truncated cone-shaped, its larger diameter end downwards and be rotatably connected on described annular backup pad (3) by bearing pin, pull ventilation cover to make it rotate around bearing pin by external force and open ventilation hole (2), in the space that ventilation cover (4) sidewall and ventilation hole (2) hole wall surround, fixed ring (5) established by card, and fixed ring (5) is detachably fixed on methane-generating pit cover plate (1), with fixing ventilation cover (4).
2. a kind of methane-generating pit cover plate with ventilation cover according to claim 1, is characterized in that: the thickness of described ventilation cover (4) equals the degree of depth of ventilation hole (2).
3. a kind of methane-generating pit cover plate with ventilation cover according to claim 1, is characterized in that: the sidewall of described ventilation cover (4) arranges elastic sealing layer.
4. a kind of methane-generating pit cover plate with ventilation cover according to claim 1, is characterized in that: the hole wall of described ventilation hole (2) arranges elastic sealing layer.
5. a kind of methane-generating pit cover plate with ventilation cover according to claim 1, is characterized in that: described ventilation cover (4) top arranges handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520846497.9U CN205223209U (en) | 2015-10-29 | 2015-10-29 | Methane -generating pit apron with vent flap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520846497.9U CN205223209U (en) | 2015-10-29 | 2015-10-29 | Methane -generating pit apron with vent flap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205223209U true CN205223209U (en) | 2016-05-11 |
Family
ID=55898286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520846497.9U Expired - Fee Related CN205223209U (en) | 2015-10-29 | 2015-10-29 | Methane -generating pit apron with vent flap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205223209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497762A (en) * | 2016-12-31 | 2017-03-15 | 茂名市茂南区生产力促进中心 | It is easy to the methane-generating pit that safeguards |
-
2015
- 2015-10-29 CN CN201520846497.9U patent/CN205223209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497762A (en) * | 2016-12-31 | 2017-03-15 | 茂名市茂南区生产力促进中心 | It is easy to the methane-generating pit that safeguards |
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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: 20160511 Termination date: 20201029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |