CN205299585U - Feeding mechanism of boiler - Google Patents
Feeding mechanism of boiler Download PDFInfo
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- CN205299585U CN205299585U CN201520948575.6U CN201520948575U CN205299585U CN 205299585 U CN205299585 U CN 205299585U CN 201520948575 U CN201520948575 U CN 201520948575U CN 205299585 U CN205299585 U CN 205299585U
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- feed mechanism
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- hopper
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Abstract
The utility model provides a feeding mechanism of boiler belongs to mechanical technical field. It has solved the problem that current boiler feeding mechanism structure is complicated. This feeding mechanism of boiler has the feed inlet and is used for the grate of transfer the fuel on the boiler, above -mentioned feed inlet lies in grate upper portion, this establishment of institution between the feed inlet and grate of boiler, including hopper and pay -off subassembly, above -mentioned hopper lie in with feed inlet looks UNICOM, the pay -off subassembly includes conveying pipe and fan, the air outlet and the inner looks UNICOM of conveying pipe of fan, the outer end of conveying pipe is located between feed inlet and the grate. This feeding mechanism of boiler compact structure and stability are high.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to the feed mechanism of a kind of feed mechanism, particularly boiler.
Background technology
The current energy is nervous gradually, and coal, oil, Gas Prices are high gradually. And this three big energy to belong to the disposable energy non-renewable, therefore it is imperative to explore regenerative resource. Requirement according to the People's Republic of China's " Renewable Energy Law ", National Development and Reform Committee in August, 2006 tissue worked out " planning of regenerative resource Long-and Medium-term Development ", propose the developing goals to the year two thousand twenty regenerative resource in 2010 and task, wherein, biomass solid formed fuel respectively reaches 1,000,000 tons and 50,000,000 tons, and establishes the biomass solid formed fuel status as modern clean energy resource.
Succeeding in developing of biomass boiler thoroughly solve this problem, but new problem put again in face of, biomass boiler divides two kinds, and a kind of for the compressing granule that burns, this kind of fuel density is big, and frictional force can be directly entered hearth combustion with traveling-grate stoker greatly; The another kind of boiler for burning bulk cargo, this kind of volume of fuel is big, and density is little, it is impossible to produce sufficiently large frictional force, causes fuel to be deposited in hopper and can not enter burner hearth with fire grate, makes boiler be not normally functioning. Owing to pressing cost saved by burning bulk cargo, so just greatly reduce the operating cost of boiler, so it is extremely urgent to solve boiler feeds problem.
Chinese patent its publication number CN202546802U discloses a kind of boiler and injection type pay-off thereof. The injection type pay-off of above-mentioned patent includes aerator, also includes the injection type feed pipe being connected with the air outlet of described aerator, and the air outlet of described injection type feed pipe is for communicating with the burner hearth of boiler.
The injection type pay-off that above-mentioned patent provides, biomass fuel is from the charge door of boiler or top even drop down, open aerator, fuel is sucked burner hearth by the ejector action of the high-pressure blast that injection type feed pipe sends by fuel, changed the size of airflow pressure by the load of boiler oil consumption and boiler, ensure boiler normal combustion and operation.
But, above-mentioned patent can be burnt bulk cargo, has therefore saved pressing cost, has so just greatly reduced the operating cost of boiler, so solving the feeding problems that boiler is extremely urgent. But, injection type feed pipe structure is excessively complicated, causes that its processing difficulties and cost are higher.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, it is provided that the feed mechanism of the boiler of a kind of feeding stability height and compact conformation.
The purpose of this utility model can be realized by following technical proposal:
A kind of feed mechanism of boiler, boiler has charging aperture and for carrying the fire grate of fuel, above-mentioned charging aperture is positioned at fire grate top, it is characterized in that, mechanism is arranged between the charging aperture of boiler and fire grate, including hopper and feeding material component, above-mentioned hopper is positioned at and is connected with charging aperture, described feeding material component includes feed pipe and blower fan, and the air outlet of described blower fan and feed pipe the inner are connected, and the outer end of described feed pipe is between charging aperture and fire grate.
The fuel carried by charging aperture enters fire grate smoothly under the effect of feeding material component, so that fuel fully burns in boiler.
Specifically, by feed pipe output gas flow in blower fan operation, the entrance fire grate place that the fuel at charging aperture place is stable under this airflow function.
Certainly due to the fuel that fire grate place is all appropriate, so that fuel can be fully burned.
In the feed mechanism of above-mentioned boiler, described charging aperture place is also fixed with a hopper, and described hopper upper end is import, and described hopper lower end is outlet, described import is the diminishing guide passage of bore to exit, and above-mentioned feed pipe outer end is between the outlet and fire grate of hopper.
The setting of hopper easily facilitates the conveying of fuel, it is to avoid fuel overflows and is scattered.
Certainly, also can enter smoothly in boiler by convenient fuel in funnelform hopper.
In the feed mechanism of above-mentioned boiler, described boiler being also fixed with support, above-mentioned blower fan is connected on support, and described blower fan is aerator.
Owing to boiler is monolithic construction, and this feed mechanism makes additionally to be arranged on outside boiler, therefore, just can provide installation site to this feed mechanism by support.
In the feed mechanism of above-mentioned boiler, the inner of described feed pipe is linkage section cylindrically, and the outer end of described feed pipe is the wind outlet section in flat, has the changeover portion of both smooth UNICOMs between described wind outlet section and linkage section.
Linkage section is connected for the exit of blower fan, and the outlet of blower fan is typically round, and the linkage section matched with fan outlet can easily be connected with blower fan. Stable being arranged in boiler and be between fire grate and charging aperture of wind outlet section energy of flat.
By the changeover portion of polymorphic structure can make airflow smooth by this feed pipe, it may be assumed that one end of changeover portion and linkage section match, and the other end of changeover portion and wind outlet section match.
In the feed mechanism of above-mentioned boiler, the rectangular in cross-section of described wind outlet section and its internal be the air-out chamber of rectangle, the width of described wind outlet section and the width of fire grate match, and wind outlet section is positioned at the sidepiece of fire grate and just right with it.
What such structure made fire grate all can store appropriate fuel everywhere.
In the feed mechanism of above-mentioned boiler, described support being additionally provided with support bar, the lower end of described support bar is connected on support, and the upper end of described support bar and above-mentioned feed pipe are fixedly connected with.
Owing to feed pipe is unsettled setting, feed pipe stably can be supported by support bar, improve the stability of this feed mechanism.
In the feed mechanism of above-mentioned boiler, described support bar is in T shape, and the T-shaped upper end of support bar supports wind outlet section place.
Owing to wind outlet section place width is relatively big, therefore adopt T-shaped support bar feed pipe can be carried out stable support.
In the feed mechanism of above-mentioned boiler, also having sunshade on described support, the side of described sunshade is connected on boiler, and the upper end of above-mentioned support bar is additionally provided with connecting rod, described connecting rod lower end is connected in post upper, and described small end is connected in the middle part of sunshade.
Sunshade plays the effect stopping wind and rain, and sunshade can be carried out stable support by arranging of connecting rod simultaneously. The connecting rod being connected with support bar will not take too much space, improves the structural compactness of whole feed mechanism.
In the feed mechanism of above-mentioned boiler, described sunshade be tabular and its be obliquely installed, the highest point of described sunshade is connected on above-mentioned boiler.
The sunshade being obliquely installed can make rainwater landing smoothly, it is to avoid gathers excessive rainfall on sunshade.
In the feed mechanism of above-mentioned boiler, described sunshade be tabular and its be obliquely installed, the highest point of described sunshade is connected in above-mentioned hopper sidepiece.
Owing to boiler is monolithic construction, and hopper and boiler are Split type structure, are connected on hopper by sunshade and connect relative ease.
In the feed mechanism of above-mentioned boiler, described linkage section and changeover portion are integral type structure, are connected by ring flange between described wind outlet section and changeover portion.
Due to transition section polymorphic structure, therefore, whole feed pipe is designed as split-type structural and is easy to processing, lowers difficulty of processing.
In the feed mechanism of above-mentioned boiler, the sidepiece of described wind outlet section has the breach being extended to the other end by its one end, also there is in described wind outlet section flow distribution plate, described indentation, there is provided with bindiny mechanism, and bindiny mechanism can make the indentation, there Guan Bi of wind outlet section and when breach forms several independent passages after closing between above-mentioned flow distribution plate and wind outlet section.
Bindiny mechanism can make above-mentioned breach reduce, when after breach reduces, flow distribution plate is pressed in wind outlet section, so that stable being connected in wind outlet section of flow distribution plate.
In the feed mechanism of above-mentioned boiler, described flow distribution plate includes being flat plate body and some raised lines protruding from plate body, forms independent passage between described raised line, plate body and wind outlet section.
It can be seen that owing to the quantity of raised line is some, and raised line is arranged along the length direction of wind outlet section. Therefore, there are several separate and passages in wind outlet section. Such structure can make fuel be blown to fire grate everywhere, and each fire grate can be deposited appropriate fuel.
In the feed mechanism of above-mentioned boiler, described plate body and raised line are integral type structure.
The flow distribution plate of integral structure adopts plastic material, by common Shooting Technique energy one-shot forming.
Certainly, the flow distribution plate of integral structure can also adopt cast iron materials, by common founder's artistic skill one-shot forming.
In the feed mechanism of above-mentioned boiler, described attachment structure includes the screw being positioned at indentation, there, and described screw is positioned at the side of breach and screw can be threaded in the opposite side place of breach through breach.
Screw is as standard component, and its cost is relatively low, and connectivity robustness is high.
In the feed mechanism of above-mentioned boiler, having recessed connection seat outside described wind outlet section, above-mentioned screw is positioned at flush outside wind outlet section place and screw outer end and wind outlet section.
Such structure can improve the structural compactness of feed pipe.
Alternatively scheme, in the feed mechanism of above-mentioned boiler, described bindiny mechanism includes the static line of rope form, and described static line is enclosed within outside wind outlet section and the two ends knotting of static line is connected.
Wind outlet section can be compressed, so that flow distribution plate is firmly held tightly by the wind outlet section after reducing after the knotting of static line two ends.
In the feed mechanism of above-mentioned boiler, knotting place of described static line is positioned at indentation, there.
So further improve the structural compactness of feed pipe.
In the feed mechanism of above-mentioned boiler, having fixing groove recessed ringwise outside described wind outlet section, above-mentioned static line is positioned at fixing groove.
Flush outside static line and wind outlet section, improves the structural compactness of feed pipe.
In the feed mechanism of above-mentioned boiler, the quantity of described fixing groove is that the fixing groove of twice and twice is arranged before and after the length direction of wind outlet section, and described per pass is fixed in groove and is respectively provided with a static line.
Multiple static lines further improve the connective stability between wind outlet section and flow distribution plate.
Compared with prior art, the feed mechanism of this boiler is flat due to the wind outlet section of feed pipe, therefore, the fuel that hopper place enters can stable entrance fire grate place, each fire grate all can deposit appropriate fuel, finally make fuel fully burning in filtering, improve efficiency of combustion, effectively reduce the use cost of boiler.
Meanwhile, the setting of support and support bar effectively raises the installation site of mechanism. And, the setting of sunshade also improves the environment of this feed mechanism, it is to avoid mechanism receives Exposure to Sunlight and rain drop erosion, has significantly high practical value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the feed mechanism of this boiler.
Fig. 2 be this boiler feed mechanism in the plan structure schematic diagram of feed pipe.
Fig. 3 be this boiler feed mechanism in the sectional structure schematic diagram of feed pipe.
Fig. 4 is the main TV structure schematic diagram of the feed pipe of the feed mechanism of this boiler.
Fig. 5 be this boiler feed mechanism in the structural representation of bindiny mechanism.
Fig. 6 be this boiler feed mechanism in the structural representation of another bindiny mechanism.
In figure, 1, fire grate; 2, charging aperture; 3, blower fan; 4, feed pipe; 4a, linkage section; 4b, changeover portion; 4c, wind outlet section; 4a1, breach; 4a2, connection seat; 4a3, fixing groove; 5, hopper; 6, support; 7, support bar; 8, sunshade; 9, connecting rod; 10, flow distribution plate; 10a, plate body; 10b, raised line; 11, screw; 12, static line; 13, sealing gasket.
Detailed description of the invention
As shown in Fig. 1 and Fig. 2 and Fig. 3 and Fig. 4, boiler having charging aperture 2 and for carrying the fire grate 1 of fuel, above-mentioned charging aperture 2 is positioned at fire grate 1 top. The feed mechanism of this boiler is arranged between the charging aperture 2 of boiler and fire grate 1, including hopper 5 and feeding material component, above-mentioned hopper 5 is positioned at and is connected with charging aperture 2, described feeding material component includes feed pipe 4 and blower fan 3, the air outlet of described blower fan 3 and feed pipe 4 the inner are connected, and the outer end of described feed pipe 4 is between charging aperture 2 and fire grate 1.
Described charging aperture 2 place is also fixed with a hopper 5, and described hopper 5 upper end is import, and described hopper 5 lower end is outlet, and described import is the diminishing guide passage of bore to exit, and above-mentioned feed pipe 4 outer end is between the outlet and fire grate 1 of hopper 5.
Also being fixed with support 6 on described boiler, above-mentioned blower fan 3 is connected on the frame 6, and described blower fan 3 is aerator.
The inner of described feed pipe 4 is linkage section 4a cylindrically, and the outer end of described feed pipe 4 is the wind outlet section 4c in flat, has the changeover portion 4b of both smooth UNICOMs between described wind outlet section 4c and linkage section 4a.
The rectangular in cross-section of described wind outlet section 4c and the air-out chamber that its inside is rectangle, the width of described wind outlet section 4c and the width of fire grate 1 match, and wind outlet section 4c is positioned at the sidepiece of fire grate 1 and just right with it.
Being additionally provided with support bar 7 on described support 6, the lower end of described support bar 7 is connected on the frame 6, and the upper end of described support bar 7 and above-mentioned feed pipe 4 are fixedly connected with.
Described support bar 7 is in T shape, and the T-shaped upper end of support bar 7 supports wind outlet section 4c place.
Also having sunshade 8 on described support 6, the side of described sunshade 8 is connected on boiler, and the upper end of above-mentioned support bar 7 is additionally provided with connecting rod 9, and described connecting rod 9 lower end is connected in support bar 7 upper end, and described connecting rod 9 upper end is connected in the middle part of sunshade 8.
Described sunshade 8 in tabular and its be obliquely installed, the highest point of described sunshade 8 is connected on above-mentioned boiler.
Described sunshade 8 in tabular and its be obliquely installed, the highest point of described sunshade 8 is connected in above-mentioned hopper 5 sidepiece.
Described linkage section 4a and changeover portion 4b is integral type structure, is connected by ring flange between described wind outlet section 4c and changeover portion 4b.
The sidepiece of described wind outlet section 4c has the breach 4a1 being extended to the other end by its one end, in described wind outlet section 4c, also there is flow distribution plate 10, described breach 4a1 place is provided with bindiny mechanism, and bindiny mechanism can make the breach 4a1 place Guan Bi of wind outlet section 4c and when breach 4a1 forms several independent passages after closing between above-mentioned flow distribution plate 10 and wind outlet section 4c.
Described flow distribution plate 10 includes being flat plate body 10a and some raised line 10b protruding from plate body 10a, forms independent passage between described raised line 10b, plate body 10a and wind outlet section 4c.
Described plate body 10a and raised line 10b is integral type structure.
As it is shown in figure 5, described attachment structure includes the screw 11 being positioned at breach 4a1 place, described screw 11 is positioned at the side of breach 4a1 and screw 11 can be threaded in the opposite side place of breach 4a1 through breach 4a1.
Having recessed connection seat 4a2 outside described wind outlet section 4c, above-mentioned screw 11 is positioned at flush outside wind outlet section 4c place and screw 11 outer end and wind outlet section 4c.
As shown in Figure 6, bindiny mechanism can also adopt another scheme, it may be assumed that described bindiny mechanism includes the static line 12 of rope form, and described static line 12 is enclosed within outside wind outlet section 4c and the two ends knotting of static line 12 is connected.
Knotting place of described static line 12 is positioned at breach 4a1 place.
Having fixing groove 4a3 recessed ringwise outside described wind outlet section 4c, above-mentioned static line 12 is positioned at fixing groove 4a3.
The quantity of described fixing groove 4a3 is that the fixing groove 4a3 of twice and twice is arranged before and after the length direction of wind outlet section 4c, and described per pass is fixed in groove 4a3 and is respectively provided with a static line 12.
The fuel carried by charging aperture 2 enters fire grate 1 smoothly under the effect of feeding material component, so that fuel fully burns in boiler.
Specifically, by feed pipe 4 output gas flow in blower fan operation, entrance fire grate 1 place that the fuel at charging aperture 2 place is stable under this airflow function.
Certainly due to the fuel that fire grate 1 place is all appropriate, so that fuel can be fully burned.
In the present embodiment, being respectively provided with the sealing gasket 13 of elastomeric material in the both sides of flow distribution plate 10, two sealing gaskets 13 are all pressed between inside flow distribution plate 10 and wind outlet section 4c.
Claims (10)
1. the feed mechanism of a boiler, boiler has charging aperture and for carrying the fire grate of fuel, above-mentioned charging aperture is positioned at fire grate top, it is characterized in that, mechanism is arranged between the charging aperture of boiler and fire grate, including hopper and feeding material component, above-mentioned hopper is positioned at and is connected with charging aperture, described feeding material component includes feed pipe and blower fan, and the air outlet of described blower fan and feed pipe the inner are connected, and the outer end of described feed pipe is between charging aperture and fire grate.
2. the feed mechanism of boiler according to claim 1, it is characterized in that, described charging aperture place is also fixed with a hopper, described hopper upper end is import, described hopper lower end is outlet, described import is the diminishing guide passage of bore to exit, and above-mentioned feed pipe outer end is between the outlet and fire grate of hopper.
3. the feed mechanism of boiler according to claim 2, it is characterised in that being also fixed with support on described boiler, above-mentioned blower fan is connected on support, described blower fan is aerator.
4. the feed mechanism of boiler according to claim 2, it is characterized in that, the inner of described feed pipe is linkage section cylindrically, and the outer end of described feed pipe is the wind outlet section in flat, has the changeover portion of both smooth UNICOMs between described wind outlet section and linkage section.
5. the feed mechanism of boiler according to claim 4, it is characterized in that, the rectangular in cross-section of described wind outlet section and the air-out chamber that its inside is rectangle, the width of described wind outlet section and the width of fire grate match, and wind outlet section is positioned at the sidepiece of fire grate and just right with it.
6. the feed mechanism of boiler according to claim 3, it is characterised in that being additionally provided with support bar on described support, the lower end of described support bar is connected on support, the upper end of described support bar and above-mentioned feed pipe are fixedly connected with.
7. the feed mechanism of boiler according to claim 6, it is characterised in that described support bar is in T shape, and the support wind outlet section place, T-shaped upper end of support bar.
8. the feed mechanism of boiler according to claim 7, it is characterized in that, described support also has sunshade, the side of described sunshade is connected on boiler, the upper end of above-mentioned support bar is additionally provided with connecting rod, described connecting rod lower end is connected in post upper, and described small end is connected in the middle part of sunshade.
9. the feed mechanism of boiler according to claim 8, it is characterised in that described sunshade be tabular and its be obliquely installed, the highest point of described sunshade is connected on above-mentioned boiler.
10. the feed mechanism of boiler according to claim 8, it is characterised in that described sunshade be tabular and its be obliquely installed, the highest point of described sunshade is connected in above-mentioned hopper sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948575.6U CN205299585U (en) | 2015-11-24 | 2015-11-24 | Feeding mechanism of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948575.6U CN205299585U (en) | 2015-11-24 | 2015-11-24 | Feeding mechanism of boiler |
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| Publication Number | Publication Date |
|---|---|
| CN205299585U true CN205299585U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520948575.6U Expired - Fee Related CN205299585U (en) | 2015-11-24 | 2015-11-24 | Feeding mechanism of boiler |
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| CN (1) | CN205299585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333448A (en) * | 2015-11-24 | 2016-02-17 | 嘉善宝丰合同能源管理有限公司 | Boiler feed mechanism |
-
2015
- 2015-11-24 CN CN201520948575.6U patent/CN205299585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333448A (en) * | 2015-11-24 | 2016-02-17 | 嘉善宝丰合同能源管理有限公司 | Boiler feed mechanism |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161124 |