CN103925603A - Dry-type slagging device with water-cooling spiral lower sliding rail - Google Patents
Dry-type slagging device with water-cooling spiral lower sliding rail Download PDFInfo
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- CN103925603A CN103925603A CN201410192303.8A CN201410192303A CN103925603A CN 103925603 A CN103925603 A CN 103925603A CN 201410192303 A CN201410192303 A CN 201410192303A CN 103925603 A CN103925603 A CN 103925603A
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Abstract
The invention discloses a dry-type slagging device with a water-cooling spiral lower sliding rail. The dry-type slagging device with the water-cooling spiral lower sliding rail comprises a slag bearing box body, a slag conveying device, a cooling air inlet and the spiral lower sliding rail. A slag discharging port is formed in the front end of the slag bearing box body, and a slag inlet which is suitable for being communicated with a slag outlet of a slag well is formed in the rear end of the slag bearing box body. The slag conveying device is arranged inside the slag bearing box body, and is used for conveying the slag discharged from the slag outlet to the slag discharging port to discharge the slag out of the slag bearing box body. The cooling air inlet is formed in the slag bearing box body. The spiral lower sliding rail is arranged in the slag discharging port, is used for receiving the slag discharged from the slag discharging port, and enables the slag to slide down along the spiral lower sliding rail. The dry-type slagging device further comprises a water cooling device which makes contact with the spiral lower sliding rail, and the water cooling device is used for carrying out water cooling on the spiral lower sliding rail.
Description
Technical field
The invention belongs to residue extraction mechanism technical field, relate in particular to a kind of dried slag removing equipment with water-cooling spiral glide path.
Background technology
Residue extraction mechanism has obtained using widely for getting rid of the equipment of the slag of discharging from slag well as thermal power generation field.Now in technology, for the slag of eliminating is being lowered the temperature, disclose some and can carry out cooling design to hot slag, such as, by set up sprinkler on slag-conveying device, water is sprayed onto from slag well and discharges and cause the slag on steel band, thereby by water, reduce the temperature of slag, this mode can need to use more water resource conventionally, finally may cause the waste of water resource, for this reason, another kind of dried slag removing equipment has been proposed again in prior art, casing top at residue extraction mechanism offers air inlet, thereby utilize the negative pressure of burner hearth, make outside air to enter casing from air inlet, along casing, enter burner hearth again, this design can utilize the lower air of outer surface temperature that enters casing to carry out heat exchange with the hot slag on the interior steel band of casing on the one hand, reduce the temperature of slag, hot-air after heating up on the other hand carries out burner hearth, not only supply air, and hot-air itself can not cause the temperature of burner hearth to reduce, affect the combustion efficiency of coal charge in burner hearth.But this design is good not to cooling of furnace slag effect, the slag that drops into sludge-store cabin still has higher temperature.In prior art, also disclose a kind of by steel band being carried out to the residue extraction mechanism of water-cooled, thereby in transporting slag process, can play the good cooling-down effect of slag, but still need to be by air inlet being set at casing top, by introducing outside air, to the slag being transported, carry out cooling, although can further reduce preferably the temperature of slag, but, owing to dropping on slag on steel band by transmitting with the heat of steel band, most heat has been passed to steel band and obtained reduction, now the outside air entering contacts with the slag of lower temperature, the temperature of air cannot be greatly improved, thereby cause entering after burner hearth, temperature impact on the coal charge burning in burner hearth is larger, thereby can cause the efficiency of combustion of coal charge to reduce.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind ofly can reduce well slag temperature, and can guarantee that the coal charge in burner hearth can access the dried slag removing equipment with water-cooling spiral glide path of abundant fuel.
For this reason, a kind of dried slag removing equipment with water-cooling spiral glide path of the present invention, comprising: slag carrying casing, and described slag carrying casing front end is provided with slag-drip opening, and top, rear end is provided with and is suitable for the slag entrance connected with the slag notch of slag well; Slag conveying device, is located at described slag carrying box house, for the slag of discharging from described slag notch is delivered to described slag-drip opening, discharges described casing; Described slag carrying casing is provided with cooling air air inlet; And described slag-drip opening place is provided with spiral glide path, for receiving the slag of discharging from described slag-drip opening, and described slag is glided along described spiral glide path; Described dried slag removing equipment also comprises water cooling plant, contacts, for spiral glide path is carried out to water-cooled with described spiral glide path.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path, described slag carrying casing comprises horizontally disposed slag collection section and the slag raising section that is communicated with and is obliquely installed with described slag collection intersegmental part.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path, also comprises: sludge-store cabin, its entrance is connected with described spiral glide path lower end, for receiving the slag from described spiral glide path.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path, described water cooling plant comprises water pump, be communicated with described water pump and for storing the tank of cooling water, the cooling tube that contacts and be communicated with described water pump, tank with described spiral glide path respectively, described cooling tube carries out water-cooled by the described cooling water passing into described spiral glide path.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path also comprises: deslagging casing, and described deslagging casing one end is communicated with described slag-drip opening, and the other end is communicated with the described entrance of described sludge-store cabin, and described spiral glide path is sealed in to inside.
Described in the above-mentioned dried slag removing equipment with water-cooling spiral glide path, cooling tube is attached the bottom that is installed on described spiral glide path.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path: the top of described spiral glide path is connected with the downward of described slag-drip opening of slag carrying casing, and the downslide inclination angle of the optional position of described spiral glide path is 20-32 degree.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path: be also provided with deslagging casing cooling air air inlet on the sidewall of described deslagging casing.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path, also comprises: slag crusher, and described slag crusher is arranged on described box house, and is located between described slag entrance and described slag conveying device; Described slag crusher, comprises support, the rack-mount pressurizing unit for break slag and rack-mount for driving described pressurizing unit to make the drive unit of horizontal back and forth movement; Firm brush component, be located at straight down the top of described casing, wherein, described firm brush component contacts cooperation with described pressurizing unit, and when described drive unit drives described pressurizing unit to carry out horizontal back and forth movement, be suitable for coordinating the slag being positioned on described pressurizing unit being removed with described pressurizing unit.
The above-mentioned dried slag removing equipment with water-cooling spiral glide path, also comprises: guide parts, be circumferentially located at described slag porch, for the slag entering from described slag porch being guided to the broken region of described slag crusher; Described firm brush component is located on the bottom of guide parts.
The present invention has following technique effect with respect to prior art:
1. the dried slag removing equipment with water-cooling spiral glide path of the present invention, comprising: slag carrying casing, and described slag carrying casing front end is provided with slag-drip opening, and rear end is provided with and is suitable for the slag entrance connected with the slag notch of slag well; Slag conveying device, is located at described slag carrying box house, for the slag of discharging from described slag notch is delivered to described slag-drip opening, discharges described casing; Described slag carrying casing is provided with cooling air air inlet; And described slag-drip opening place is provided with spiral glide path, for receiving the slag of discharging from described slag-drip opening, and described slag is glided along described spiral glide path; Described dried slag removing equipment also comprises water cooling plant, contacts, for spiral glide path is carried out to water-cooled with described spiral glide path.Above-mentioned design can utilize the slag with higher temperature in slag conveying device to heat the cooling air entering from described cooling air air inlet on the one hand, not only make slag obtain to a certain extent cooling, and improved the temperature of cooling air, make it carry out when supplying burner hearth air, can not causing reducing too much the temperature of burner hearth furnace charge after burner hearth; On the other hand by spiral glide path being set at slag-drip opening place and contacting the water cooling plant for cooling described spiral glide path with spiral glide path, can be in the situation that do not affect the temperature of the air that enters burner hearth, further to discharging the relatively slag of high-temperature that has of slag carrying casing, carry out further cooling, and this ramp design is become to the form of spiral, can highly constant in the situation that, slow down the speed of downslide, thereby can play, slag be carried out to the fully effect of cooling.
2. described in, water cooling plant comprises water pump, be communicated with described water pump and for storing the tank of cooling water,
The cooling tube that contacts and be communicated with described water pump, tank with described spiral glide path respectively; Can realize by the recycling of water resource, when guaranteeing that described spiral glide path is cooled, reach the object of water saving, relatively adopt water directly to spray the mode environmental protection more of slag.
3. described in, on the sidewall of deslagging casing, be also provided with deslagging casing cooling air air inlet; This design can be so that enter deslagging casing due to the negative pressure of burner hearth by this deslagging casing cooling air air inlet as the outside air of cooling air, so, can realize spiral glide path and/or carry out further cooling to the slag on described spiral glide path on the one hand; On the other hand, the air that air inlet enters thus carries out heat exchange at deslagging box house and slag can improve its temperature, air after intensification is entering in the process of burner hearth along described slag carrying casing, its also can with slag conveying device on slag carry out heat exchange, it is taller that thereby its temperature can be brought up to the temperature that the air that enters than the cooling air air inlet from slag carrying casing can improve, this is because the time of the heat exchange of its process is longer, and replenish air and temperature that the air after this burst of intensification is conducive in burner hearth more keep.
4. described in, the top of spiral glide path is connected with the downward of described slag-drip opening of slag carrying casing, and the downslide inclination angle of the optional position of described spiral glide path is 20-32 degree.Generally, the angle of repose of slag, that is, the slag resting on common metal bearing article is wanted to slide along metal bearing article (overcoming maximum static friction force acting), and the angle of inclination of this metal bearing article relative level line is 33 degree, this is the angle of those skilled in the art in order to make slag glide and conventionally design normally, yet, due at slag-drip opening place, the top of slag conveying device, , slag leaves slag-drip opening described in the positional distance of slag conveying device downwardly has certain difference in height, this has had certain initial velocity while making slag drop to the top with this downward described spiral glide path being connected (now slag is to overcome kinetic force of friction acting, non-ly overcome maximum static friction force acting), therefore, the angle of inclination of this spiral glide path of box lunch is less than 33 degree, slag will slide along spiral glide path, and the angle of 20-32 degree not only can guarantee that slag glides, and can delay the time that slag arrives sludge-store cabin, it is sufficiently cooled.
5. above-mentioned residue extraction mechanism also comprises: slag crusher, and described slag crusher is arranged on described box house, and is located between described slag entrance and described slag conveying device; Described slag crusher, comprises support, the rack-mount pressurizing unit for break slag and rack-mount for driving described pressurizing unit to make the drive unit of horizontal back and forth movement; Firm brush component, be located at straight down the top of described casing, wherein, described firm brush component contacts cooperation with described pressurizing unit, and when described drive unit drives described pressurizing unit to carry out horizontal back and forth movement, be suitable for coordinating the slag being positioned on described pressurizing unit being removed with described pressurizing unit.More than design the slag that can avoid well unnecessary on pressurizing unit residual, thereby improved deslagging efficiency, in addition, due to just brush component with pressurizing unit for contacting cooperation, therefore, when slag is from slag well drops into casing, thereby just arranging of brush can be played good isolation slag and avoided it along pressurizing unit upper surface, to move and be scattering into the region that should not be scattered.
6. increase guide parts, can play the guiding function that slag is fallen, make the slag of all whereabouts can both fall to broken region, that is, pressurizing unit can carry out the region of disintegrating slag; In addition, the bottom that firm brush device is arranged on to guide parts can be saved space better, and just brush use material.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is wherein a kind of structural representation of embodiment of the dried slag removing equipment with water-cooling spiral glide path of the present invention;
Fig. 2 is the structural representation with the another kind of embodiment of dried slag removing equipment of water-cooling spiral glide path of the present invention;
Fig. 3 is the structural representation with another embodiment of dried slag removing equipment of water-cooling spiral glide path of the present invention.
The specific embodiment
Of the present invention a kind of dried slag removing equipment with water-cooling spiral glide path as Fig. 1, comprising: slag carrying casing 1, and described slag carrying casing 1 front end is provided with slag-drip opening 2, and rear end is provided with and is suitable for the slag entrance connected with the slag notch 4 of slag well 3; Slag conveying device 5, is located at described slag carrying casing 1 inside, for the slag 17 of discharging from described slag notch 4 being delivered to described slag-drip opening 2, discharges described slag carrying casing 1; Described slag carrying casing 1 is provided with cooling air air inlet 6; And described slag-drip opening 2 places are provided with spiral glide path 7, for receiving the slag 5 of discharging from described slag-drip opening 2, and described slag 5 is glided along described spiral glide path 7; Described dried slag removing equipment also comprises water cooling plant 8, contacts, for described spiral glide path 7 is carried out to water-cooled with described spiral glide path 7.
Above-mentioned design can utilize the slag with higher temperature in slag conveying device to heat the cooling air entering from described cooling air air inlet on the one hand, not only make slag obtain to a certain extent cooling, and improved the temperature of cooling air, make it carry out when supplying burner hearth air, can not causing reducing too much the temperature of burner hearth furnace charge after burner hearth; On the other hand by spiral glide path being set at slag-drip opening place and contacting the water cooling plant for cooling described spiral glide path with spiral glide path, can be in the situation that do not affect the temperature of the air that enters burner hearth, further to discharging the relatively slag of high-temperature that has of slag carrying casing, carry out further cooling, and this ramp design is become to the form of spiral, can highly constant in the situation that, slow down the speed of downslide, thereby can play, slag be carried out to the fully effect of cooling.
Described slag carrying casing be preferably comprise horizontally disposed slag collection section 9 and with described slag collection section 9 internal communication and the slag raising section 10 that is obliquely installed.Also comprise: sludge-store cabin 11, its entrance is connected with described spiral glide path 7 lower ends, for receiving the slag from described spiral glide path 7.
Described water cooling plant is preferably and comprises water pump 12, be communicated with described water pump 12 and for storing the tank 13 of cooling water, the cooling tube 14 that contacts and be communicated with described water pump 12, described tank 13 with described spiral glide path 7 respectively, described cooling tube 14 carries out water-cooled by the described cooling water passing into described spiral glide path 7.This design can realize by the recycling of water resource, and when guaranteeing that described spiral glide path is cooled, reaches the object of water saving, relatively adopts water directly to spray the mode environmental protection more of slag.
As another kind of preferred embodiment, the dried slag removing equipment with water-cooling spiral glide path of the present invention also comprises: deslagging casing 15, described deslagging casing 15 one end are communicated with described slag-drip opening 2, the other end is communicated with the described entrance of described sludge-store cabin 11, and described spiral glide path 7 is located at the inside of described deslagging casing 15.
Described cooling tube 14 is preferably and is attached the bottom that is installed on described spiral glide path 7.
The top of described spiral glide path 7 is preferably with the downward of described slag-drip opening of slag carrying casing and is connected, and the downslide inclination angle of the optional position of described spiral glide path 7 is 20-32 degree.Generally, the angle of repose of slag, that is, the slag resting on common metal bearing article is wanted to slide along metal bearing article (overcoming maximum static friction force acting), and the angle of inclination of this metal bearing article relative level line is 33 degree, this is the angle of those skilled in the art in order to make slag glide and conventionally design normally, yet, due at slag-drip opening place, the top of slag conveying device, , slag leaves slag-drip opening described in the positional distance of slag conveying device downwardly has certain difference in height, this has had certain initial velocity while making slag drop to the top with this downward described spiral glide path being connected (now slag is to overcome kinetic force of friction acting, non-ly overcome maximum static friction force acting), therefore, the angle of inclination of this spiral glide path of box lunch is less than 33 degree, slag will slide along spiral glide path, and the angle of 20-32 degree not only can guarantee that slag glides, and can delay the time that slag arrives sludge-store cabin, it is sufficiently cooled.
As another preferred embodiment, the dried slag removing equipment with water-cooling spiral glide path of the present invention, is also provided with deslagging casing cooling air air inlet 16 on the sidewall of described deslagging casing 15.This design can be so that enter deslagging casing due to the negative pressure of burner hearth by this deslagging casing cooling air air inlet as the outside air of cooling air, so, can realize spiral glide path and/or carry out further cooling to the slag on described spiral glide path on the one hand; On the other hand, the air that air inlet enters thus carries out heat exchange at deslagging box house and slag can improve its temperature, air after intensification is entering in the process of burner hearth along described slag carrying casing, its also can with slag conveying device on slag carry out heat exchange, it is taller that thereby its temperature can be brought up to the temperature that the air that enters than the cooling air air inlet from slag carrying casing can improve, this is because the time of the heat exchange of its process is longer, and replenish air and temperature that the air after this burst of intensification is conducive in burner hearth more keep.
If Fig. 2 is as another preferred embodiment, residue extraction mechanism of the present invention, can also comprise: slag crusher 18, and described slag crusher is arranged on described box house, and is located between described slag entrance and described slag conveying device; Described slag crusher, comprises support, the rack-mount pressurizing unit for break slag and rack-mount for driving described pressurizing unit to make the drive unit of horizontal back and forth movement; Firm brush component 19, be located at straight down the top of described casing 1, wherein, described firm brush component 19 contacts cooperation with described pressurizing unit, and when described drive unit drives described pressurizing unit to carry out horizontal back and forth movement, be suitable for coordinating the slag being positioned on described pressurizing unit being removed with described pressurizing unit.As shown in Figure 3, as a kind of alternative embodiment, can also comprise: guide parts 20, be circumferentially located at described slag porch, for the slag entering from described slag porch being guided to the broken region of described slag crusher; Described firm brush component 19 is located on the bottom of guide parts.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (10)
1. a dried slag removing equipment with water-cooling spiral glide path, comprising:
Slag carrying casing, described slag carrying casing front end is provided with slag-drip opening, and top, rear end is provided with and is suitable for the slag entrance connected with the slag notch of slag well;
Slag conveying device, is located at described slag carrying box house, for the slag of discharging from described slag notch being delivered to described slag-drip opening, discharges described slag carrying casing;
It is characterized in that: described slag carrying casing is provided with cooling air air inlet; And described slag-drip opening place is provided with spiral glide path, for receiving the slag of discharging from described slag-drip opening, and described slag is glided along described spiral glide path;
Described dried slag removing equipment also comprises water cooling plant, contacts, for described spiral glide path is carried out to water-cooled with described spiral glide path.
2. the dried slag removing equipment with water-cooling spiral glide path according to claim 1, is characterized in that:
Described slag carrying casing comprises horizontally disposed slag collection section and the slag raising section that is communicated with and is obliquely installed with described slag collection intersegmental part.
3. the dried slag removing equipment with water-cooling spiral glide path according to claim 2, characterized by further comprising:
Sludge-store cabin, its entrance is connected with described spiral glide path lower end, for receiving the slag from described spiral glide path.
4. according to the arbitrary described dried slag removing equipment with water-cooling spiral glide path of claim 1-3, it is characterized in that:
Described water cooling plant comprises water pump, be communicated with described water pump and for storing the tank of cooling water, the cooling tube that contacts and be communicated with described water pump, described tank with described spiral glide path respectively, described cooling tube carries out water-cooled by the described cooling water passing into described spiral glide path.
5. the dried slag removing equipment with water-cooling spiral glide path according to claim 4 characterized by further comprising:
Deslagging casing, described deslagging casing one end is communicated with described slag-drip opening, and the other end is communicated with the described entrance of described sludge-store cabin, and described spiral glide path is located at the inside of described deslagging casing.
6. the dried slag removing equipment with water-cooling spiral glide path according to claim 5 is characterized in that:
Described cooling tube is attached the bottom that is installed on described spiral glide path.
7. the dried slag removing equipment with water-cooling spiral glide path according to claim 6 is characterized in that:
The top of described spiral glide path is connected with the downward of described slag-drip opening of slag carrying casing, and the downslide inclination angle of the optional position of described spiral glide path is 20-32 degree.
8. the dried slag removing equipment with water-cooling spiral glide path according to claim 5 is characterized in that:
On the sidewall of described deslagging casing, be also provided with deslagging casing cooling air air inlet.
9. the dried slag removing equipment with water-cooling spiral glide path according to claim 1, characterized by further comprising:
Slag crusher, described slag crusher is arranged on described box house, and is located between described slag entrance and described slag conveying device;
Described slag crusher, comprises support, the rack-mount pressurizing unit for break slag and rack-mount for driving described pressurizing unit to make the drive unit of horizontal back and forth movement;
Firm brush component, be located at straight down the top of described casing, wherein, described firm brush component contacts cooperation with described pressurizing unit, and when described drive unit drives described pressurizing unit to carry out horizontal back and forth movement, be suitable for coordinating the slag being positioned on described pressurizing unit being removed with described pressurizing unit.
10. the dried slag removing equipment with water-cooling spiral glide path according to claim 9, characterized by further comprising:
Guide parts, are circumferentially located at described slag porch, for the slag entering from described slag porch being guided to the broken region of described slag crusher; Described firm brush component is located on the bottom of guide parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192303.8A CN103925603A (en) | 2014-05-08 | 2014-05-08 | Dry-type slagging device with water-cooling spiral lower sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192303.8A CN103925603A (en) | 2014-05-08 | 2014-05-08 | Dry-type slagging device with water-cooling spiral lower sliding rail |
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| CN103925603A true CN103925603A (en) | 2014-07-16 |
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| CN201410192303.8A Pending CN103925603A (en) | 2014-05-08 | 2014-05-08 | Dry-type slagging device with water-cooling spiral lower sliding rail |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101644439A (en) * | 2009-08-31 | 2010-02-10 | 北京国电富通科技发展有限责任公司 | Coal burning boiler hearth deslagging device |
| CN201748451U (en) * | 2010-08-15 | 2011-02-16 | 曹立峰 | Dry-type slag discharging machine |
| US20110070549A1 (en) * | 2008-03-03 | 2011-03-24 | Clyde Bergemann Drycon Gmbh | System for ash recycling |
| CN201836909U (en) * | 2010-09-28 | 2011-05-18 | 圣火科技(河南)有限责任公司 | Air cooling and water cooling compsite dry-type deslagging device |
| CN202792061U (en) * | 2012-09-25 | 2013-03-13 | 王宇 | Boiler slag heat recovery device |
| CN203963962U (en) * | 2014-05-08 | 2014-11-26 | 江西省电力设计院 | A kind of dried slag removing equipment with water-cooling spiral glide path |
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2014
- 2014-05-08 CN CN201410192303.8A patent/CN103925603A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110070549A1 (en) * | 2008-03-03 | 2011-03-24 | Clyde Bergemann Drycon Gmbh | System for ash recycling |
| CN101644439A (en) * | 2009-08-31 | 2010-02-10 | 北京国电富通科技发展有限责任公司 | Coal burning boiler hearth deslagging device |
| CN201748451U (en) * | 2010-08-15 | 2011-02-16 | 曹立峰 | Dry-type slag discharging machine |
| CN201836909U (en) * | 2010-09-28 | 2011-05-18 | 圣火科技(河南)有限责任公司 | Air cooling and water cooling compsite dry-type deslagging device |
| CN202792061U (en) * | 2012-09-25 | 2013-03-13 | 王宇 | Boiler slag heat recovery device |
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Application publication date: 20140716 |