CN201053686Y - Bucket elevator with cooling function - Google Patents
Bucket elevator with cooling function Download PDFInfo
- Publication number
- CN201053686Y CN201053686Y CNU2007201496349U CN200720149634U CN201053686Y CN 201053686 Y CN201053686 Y CN 201053686Y CN U2007201496349 U CNU2007201496349 U CN U2007201496349U CN 200720149634 U CN200720149634 U CN 200720149634U CN 201053686 Y CN201053686 Y CN 201053686Y
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- Prior art keywords
- bucket elevator
- air
- refrigerating function
- ash
- discharging opening
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- Expired - Lifetime
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Abstract
A bucket elevator is used to elevate ash and slag which is conveyed by a steel strip slag-conveying machine and is sent to a slag storehouse; the bucket elevator can be arranged vertically to the level plane or can be arranged obliquely in a certain angle with the level plane. The bucket elevator comprises a seal shell; a feed port and a discharge port are arranged on the sealing shell; a conveying device is arranged inside the seal shell. To well achieve wind cooling on the ash and slag in the process of elevating the ash and slag, the side of the seal shell of the bucket elevator is also provided with a plurality of wind inlets; in addition, the top of the slag storehouse or the discharge port is also provided with a wind outlet and a draught fan, thereby promoting the air ventilation in the bucket elevator.
Description
Technical field
The utility model belongs to coal-burning boiler residue extraction mechanism field, and what be specifically related to is that a kind of being applicable to promotes the bucket elevator with refrigerating function with uniform temperature lime-ash.
Background technology
Continuous development along with science and technology, ash comprehensive utilization level and environmental requirement are improved day by day, the water-cooled original treatment technology of hydraulic slag discharging has been abandoned to the processing of coal-burning boiler furnace bottom lime-ash in most thermal power plants, and coal burning boiler of power station dried slag removing system is extensively adopted in beginning.
Yet, in the prior art of just present dried slag removing system, being mostly that when boiler normally moved, hot lime-ash was discharged on the slag conveyer through hearth deslagging device, lime-ash slowly moves forward to the lime-ash crushing mechanism along with the slow low-speed running of slag conveyer; Lime-ash after fragmentation and sorting, enters bucket elevator by the charging aperture that is arranged on the bucket elevator bottom at this; Bucket elevator promotes lime-ash high-order, and enters storage slag storehouse by the discharging opening that is arranged on the bucket elevator top.In above-mentioned whole process, the nature cooling is just carried out in cooling to lime-ash the process that the lime-ash of discharging from boiler is delivered to crushing mechanism, can't fully cool off lime-ash like this, to improve the thermic load of integral device operation so to a great extent, even more serious is, after the hot lime-ash that can't fully cool off entered storage slag storehouse, the heat accumulation of inside, storehouse caused hidden danger easily.
On this basis, Chinese patent CN2778431Y and CN1587815A have added in induction system independently that cooler carries out cooling processing to thermal material.Wherein, Chinese patent CN2778431Y discloses a kind of foundryman's fever sand processing and sandbox automatic conveying system.Wherein disclose this sandbox automatic conveying system and comprised the chain type bucket elevator, and what link to each other with the chain type bucket elevator is the air draught type recirculation cooler that the sidepiece of described cooler is provided with air inlet, exhaust outlet then is located at cooler top.At first need in this patent the material of processing to be cooled is risen to a high position by the chain type bucket elevator, then thermal material is sent in the cooler, so hot sand just in cooler, carries out heat exchange with cold air, reaches cooling purpose.And Chinese patent CN1587815A discloses a kind of cooling system for dry slag of new boiler, and the slag that has spelt out the heat that is produced by boiler at first enters inflating beam grid formula cooler by inflation beam castor formula cooler feed end, here slag is inflated the cooling air that cooling blower the blasted cooling of installing on the relevant position, beam grate type cooler below, is transferred out inflating beam grid formula cooler by inflating beam grid formula cooler discharge end then; Cooled slag is transported to the slag storehouse by bucket elevator after crushed.
In above-mentioned two prior aries, Chinese patent CN2778431Y will be arranged at the process for cooling of thermal material and promote material to a high position, and Chinese patent CN1587815A then will be arranged at the process for cooling of hot lime-ash and promote material to the high position.But in these two disclosed technological processes of patent, process for cooling is set to an independently workshop section, and this has expended the time and the financial resources of unnecessary PROCESS FOR TREATMENT just in the complexity that has strengthened integrated artistic virtually so.
The utility model content
Technical problem to be solved in the utility model provides a kind ofly can send in the process in storage slag storehouse the bucket elevator that can carry out air cooling to hot lime-ash simultaneously hot lime-ash being promoted to a high position.
For achieving the above object, bucket elevator of the present utility model has a can, and the two ends of described can are provided with charging aperture and discharging opening respectively; Described discharging opening and a conveyance conduit are tightly connected, and conveyance conduit leads to the top in storage slag storehouse, and are tightly connected with storage slag storehouse; In addition, offer at least one air inlet on described can, described air inlet can be unidirectional air inlet; In the utility model, described bucket elevator with refrigerating function also is provided with at least one air-introduced machine and air outlet; Also be provided with the conveying device of carrying high-temperature ash in its can, its can sidepiece also is provided with access door.
Above-mentioned air-introduced machine and air outlet are arranged at top, described storage slag storehouse; Also air-introduced machine and air outlet can be arranged on the described discharging opening, described air-introduced machine and air outlet are arranged on the discharging opening by a zigzag closed conduit.
Bucket elevator of the present utility model can be at least two air inlets in the setting of can sidepiece, and described air inlet is that symmetry axis is and is symmetrical arranged with the sidepiece center line of described can.
In actual engineering-environment, far and near according to the distance between lime-ash source and the storage slag storehouse, the setting of bucket elevator is also different.When the close together between lime-ash source and the storage slag storehouse, select the setting of bucket elevator vertical ground; After can at first lime-ash being promoted a high position, discharge from discharging opening, the conveyance conduit that links to each other with storage slag storehouse by discharging opening is again sent lime-ash into storage slag storehouse afterwards; Another situation is exactly when the distance between lime-ash source and the storage slag storehouse is far away, if select at first lime-ash to be promoted high-order, by above-mentioned conveyance conduit lime-ash is delivered to the words in storage slag storehouse then, so required conveyance conduit is then oversize, the structural stability of integral device will be affected, so select bucket elevator and ground to be obliquely installed at an angle, the final bucket elevator of use suitable length and the conveyance conduit of suitable length realized promptly can be delivered to storage slag storehouse with lime-ash by bucket elevator efficiently.So can be according to above-mentioned needs, vertical ground is provided with bucket elevator described in the utility model, also can be obliquely installed bucket elevator described in the utility model at an angle with ground, described angle of inclination (the acute angle angle between bucket elevator and the ground) is 15-60 °.
In the utility model, the height that the number that position and setting are set of bucket elevator can sidepiece air inlet depends on bucket elevator self with and to the disposal ability of lime-ash; In addition, the size of air inlet also will be coordinated mutually with the height of bucket elevator; For the bucket elevator of certain altitude, air inlet is too little to make that the speed air flow of bucket elevator inside is too slow, and too big difficult air the flowing in the bucket elevator can that keep of air inlet, scatter and disappear easily, so, need by calculation of thermodynamic equilibrium, come to determine more accurately the size of each folk prescription to air inlet; Thereby, on this basis, further determine the type selecting of air-introduced machine.By selecting position, number and the size of suitable folk prescription to air inlet, the air-introduced machine that cooperates air outlet and be complementary with above-mentioned setting, thus improve the distinguished and admirable speed of bucket elevator inner body, reach the purpose of heat of cooling lime-ash better.
The utlity model has following advantage:
(1) in that hot lime-ash is promoted a high position to the process of storing the slag storehouse, simultaneously hot lime-ash is carried out air cooling;
(2) this design optimization production technology, improved work efficiency;
(3) reduce the thermic load of equipment, improved process safety.
Description of drawings
Fig. 1 is perpendicular to ground and is provided with, and air-introduced machine and air outlet are arranged at the front view of the bucket elevator at storage top, slag storehouse.
Fig. 2 is perpendicular to ground and is provided with, and air-introduced machine and air outlet are arranged at the front view of the bucket elevator at discharging opening place.
Fig. 3 is the lateral plan of the bucket elevator that is provided with ground inclination.
Each mark is corresponding respectively among the figure: bucket elevator can-1; Charging aperture-2; Discharging opening-3; Access door-4; Air inlet-5; Conveyance conduit-6; Storage slag storehouse-7; Air-introduced machine-8; Air outlet-9.
The specific embodiment
Below with reference to accompanying drawing, the utility model is further set forth by following examples.
As shown in Figure 1, Fig. 1 is perpendicular to ground and is provided with, and air-introduced machine and air outlet are arranged at the front view of the bucket elevator at storage top, slag storehouse.As we can see from the figure, the bucket elevator that is provided with perpendicular to ground has a can 1, in the bottom of can 1 and apart from ground certain altitude place, as the 1.5m place charging aperture 2 is set; Near the position at top discharging opening 3 is set at can, described charging aperture 2 and discharging opening 3 are positioned at the not homonymy of can 1.Certainly, can charging aperture 2 and discharging opening 3 be set in other embodiments, such as in the same side of shell, this does not give unnecessary details at other different parts yet; Also be provided with an access door 4 respectively in can 1 both sides, also more access door 4 can be set in other embodiments.
In addition, conveying device is set also in can 1, because this part is a technology as well known to those skilled in the art, so in Fig. 1, do not provide diagram in detail.Described conveying device can be a belt conveying, also can adopt chain type to carry, and the belt conveying device comprises conveyer belt, transfer hopper and drive; Chain conveyor then comprises carrier chain, suspension bucket and drive etc. at least.By the transmission of conveying device drive, will be transported to the discharging opening 3 of bucket elevator with certain speed from the lime-ash that charging aperture enters transfer hopper.
Can also see that from this figure what be tightly connected mutually with discharging opening 3 is conveyance conduit 6, described conveyance conduit 6 directly leads to storage 7 tops, slag storehouse and connects with storage slag storehouse 7; Lime-ash is after discharging opening 3 outputs, in conveyance conduit 6 input storage slag storehouses 7 so.Realize that necessary air-introduced machine 8 of the purpose of this utility model and air outlet 9 just are installed on the top in storage slag storehouse 7.
Both sides at the can 1 of bucket elevator in the present embodiment are provided with 10 unidirectional air inlets 5 respectively, is that symmetry axis is and is symmetrical arranged at 10 unidirectional air inlets 5 of each side with the center line of each sidepiece, and is evenly distributed on the can 1 between bucket elevator charging aperture 2 and the discharging opening 3.
Need to prove, theoretically, as long as on can 1, offer at least one air inlet, with at least one air-introduced machine and air outlet, originally the bucket elevator that has refrigerating function can have refrigerating function, and the setting of air inlet among the figure and air-introduced machine and air outlet is construed as preferred embodiment of the present utility model.
In actual engineering operation, hot lime-ash is delivered to charging aperture 2 places of bucket elevator after tapping equipment is discharged, and hot lime-ash enters in the transfer hopper of bucket elevator can inside from charging aperture 2; At this moment, start electric device, drive drive and rotate, guarantee conveyer belt under the gearing power effect of drive, drive the transfer hopper that is arranged on the conveyer belt with certain initial velocity and move to discharging opening 3 places by charging aperture 2; When arriving discharging opening 3, transfer hopper is discharged the lime-ash of inside from discharging opening 3, and the lime-ash of discharge is in conveyance conduit 6 is discharged into storage slag storehouse 7.Because above-mentioned conveying device is running continuously, so can transport continuously through the continuous lime-ash of discharging of boiler to target storage slag storehouse 7.
In above-mentioned startup electric device, open air-introduced machine in the lump; Transmitting lime-ash from charging aperture 2 to discharging opening 3 the process so, under the effect of air-introduced machine, enter the air of bucket elevator inside via above-mentioned 20 unidirectional air inlets, in bucket elevator inside, conveyance conduit and the storage inside, slag storehouse circulate fully, thereby lime-ash is being promoted in the high-order process, using air that hot lime-ash is carried out air cooling.Thereby when guaranteeing to enter storage slag storehouse, the temperature of hot lime-ash has dropped to the safe temperature scope, and particularly when enter storage slag storehouse through cooled lime-ash after, above-mentioned air cooling system still can continue its inside lime-ash is cooled off to a certain extent.
Said process is reciprocal continuously, makes hot lime-ash constantly export and enter storage slag storehouse 7 from charging aperture 2 inputs from discharging opening 3, has fully realized the air cooling to hot lime-ash in this process.
As shown in Figure 2, be the front view of the bucket elevator of another embodiment of the present utility model, bucket elevator also is perpendicular to ground and is provided with, and air-introduced machine and air outlet are arranged at the discharging opening place.Compared to Figure 1, the difference of present embodiment is: air-introduced machine 8 is different with the position that air outlet 9 is provided with.In Fig. 2, air-introduced machine 8 and air outlet 9 are arranged at the top of discharging opening 3.Compare with the design shown in Fig. 1, the design shown in Fig. 2 can only promote the circulation of the wind that bucket elevator itself is inner, and the design among Fig. 1 then can promote the circulation of the bucket elevator and the wind of the storage slag storehouse whole interior that is connected by conveyance conduit.Simultaneously, need to prove, the dust phenomenon of the discharging opening that may cause for fear of design shown in Figure 2, the special pipe design that discharging opening 3 is linked to each other with air-introduced machine 8 is an indentation, such as the shape shown in the figure, also can be regular annular, S shape, or the like.
In the present embodiment, bucket elevator can 1 both sides 6 unidirectional air inlets 5 are set respectively, be that symmetry axis is and is symmetrical arranged at 6 unidirectional air inlets 5 of each side with the center line of this sidepiece.In addition, can also be clear that charging aperture 2 and access door 4 in the figure.
Bucket elevator in the present embodiment is inclined to set with ground, and an angle is arranged between can 1 and the ground is α.All the other are with embodiment 1.
Please see Figure 3, is that can 1 is the lateral plan of 15-60 ° bucket elevator with the ground inclination angle [alpha].This angle [alpha] the best is 40 °.As can be seen from the figure, except that angle was set, the bucket elevator structure shown in its structure and Fig. 1 was basic identical; Charging aperture 2, discharging opening 3, AD 4, air inlet 5, conveyance conduit 6, storage slag storehouse 7, air-introduced machine 8 and air outlet 9 are all arranged.In addition, in order to keep tilting the stability of can, also be provided with a center rest in the can bottom.
The air-introduced machine 8 of this bucket elevator that is obliquely installed and air outlet 9 also can be arranged at the top of discharging opening 3 by a zigzag closed conduit as the embodiment of Fig. 2 representative.This does not give unnecessary details.
Should be noted that general belt conveying device, the fewer conveying devices that see tilting of chain type mode of movement of adopting of conveying device of this tilting of Fig. 3 more.
Among above-mentioned several embodiment, the setting of air-introduced machine 8 and air outlet 9 all just has one, and still, the utility model can also comprise not only the scheme of an air-introduced machine 8 and air outlet 9, to strengthen cooling effect.Also have, at least one can reach the purpose of this utility model the air inlet of offering on the can 1 among above-mentioned several embodiment, and being provided with of the air inlet among the embodiment obviously is in order to finish the purpose of this utility model better.
Though the utility model elaborates it by the specific embodiment; but; those skilled in the art should be understood that; the any form of being made on this basis that does not exceed the claim protection domain and the variation of details all belong to the claimed scope of the utility model.
Claims (9)
1. bucket elevator with refrigerating function, comprise a can, the two ends of described can are provided with charging aperture and discharging opening respectively, described discharging opening and a conveyance conduit are tightly connected, described conveyance conduit leads to the top in a storage slag storehouse, described conveyance conduit and described storage slag storehouse are tightly connected, be provided with the conveying device of carrying high-temperature ash in the described can, it is characterized in that, offer at least one air inlet on the described can, described bucket elevator with refrigerating function also is provided with at least one air-introduced machine and air outlet.
2. the bucket elevator with refrigerating function according to claim 1 is characterized in that, described air-introduced machine and air outlet are arranged at top, described storage slag storehouse.
3. the bucket elevator with refrigerating function according to claim 1 is characterized in that described air-introduced machine and air outlet are arranged on the described discharging opening.
4. the bucket elevator with refrigerating function according to claim 3 is characterized in that, described air-introduced machine and air outlet are arranged on the described discharging opening by a zigzag closed conduit.
5. according to claim 1,2,3 or 4 described bucket elevators with refrigerating function, it is characterized in that, described air inlet is at least two, is arranged at two sidepieces of described can respectively and is that symmetry axis is and is symmetrical arranged with the sidepiece center line of described can.
6. according to claim 1,2,3 or 4 described bucket elevators, it is characterized in that described air inlet is unidirectional air inlet with refrigerating function.
7. according to claim 1,2,3 or 4 described bucket elevators, it is characterized in that the sidepiece of described can also is provided with access door with refrigerating function.
8. according to claim 1,2,3 or 4 described bucket elevators, it is characterized in that described bucket elevator and ground with refrigerating function is the vertical relation setting with refrigerating function.
9. according to claim 1,2,3 or 4 described bucket elevators with refrigerating function, it is characterized in that described bucket elevator and ground with refrigerating function is inclined to set, the angle number of degrees on itself and ground are 15-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201496349U CN201053686Y (en) | 2007-06-14 | 2007-06-14 | Bucket elevator with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201496349U CN201053686Y (en) | 2007-06-14 | 2007-06-14 | Bucket elevator with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053686Y true CN201053686Y (en) | 2008-04-30 |
Family
ID=39393349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201496349U Expired - Lifetime CN201053686Y (en) | 2007-06-14 | 2007-06-14 | Bucket elevator with cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053686Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444898A (en) * | 2011-11-29 | 2012-05-09 | 吉林省电力科学研究院有限公司 | Power station boiler dry slag discharge air infiltration control system and method |
| CN104386416A (en) * | 2014-10-24 | 2015-03-04 | 嘉善五洲无油轴承有限公司 | Bucket type hoister |
-
2007
- 2007-06-14 CN CNU2007201496349U patent/CN201053686Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444898A (en) * | 2011-11-29 | 2012-05-09 | 吉林省电力科学研究院有限公司 | Power station boiler dry slag discharge air infiltration control system and method |
| CN102444898B (en) * | 2011-11-29 | 2013-01-16 | 吉林省电力有限公司电力科学研究院 | Power station boiler dry slag discharge air infiltration control system and method |
| CN104386416A (en) * | 2014-10-24 | 2015-03-04 | 嘉善五洲无油轴承有限公司 | Bucket type hoister |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080430 |
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| CX01 | Expiry of patent term |