CN216244306U - High-efficiency ash removing device suitable for garbage furnace - Google Patents
High-efficiency ash removing device suitable for garbage furnace Download PDFInfo
- Publication number
- CN216244306U CN216244306U CN202122921973.7U CN202122921973U CN216244306U CN 216244306 U CN216244306 U CN 216244306U CN 202122921973 U CN202122921973 U CN 202122921973U CN 216244306 U CN216244306 U CN 216244306U
- Authority
- CN
- China
- Prior art keywords
- spreader
- high temperature
- steel ball
- avris
- flue
- 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.)
- Active
Links
Images
Landscapes
- Incineration Of Waste (AREA)
Abstract
Is suitable for the high-efficiency ash removing device of the garbage furnace. The existing boiler ash removal has the defects of high failure rate, large mechanical and electrical maintenance and overhaul quantity, high operation cost and the like. The utility model comprises the following components: the tail flue (1), the interior high temperature of tail flue has respectively from top to bottom receives hot side (2), low temperature receives hot side (10), tail flue bottom opening part installs electromagnetic gate valve (3), flying dust steel ball separator (9) are installed to the electromagnetic gate valve below, flying dust steel ball separator middle part slope installation sorting screen (13), sorting screen low side-mounting sorting gate (14), the sorting gate is connected with sealed lifting machine (4), sealed lifting machine exit linkage steel ball bin (5), steel ball bin bottom has a set of opening, descending path (6) are connected to the opening, descending path is connected with high temperature avris spreader (8), high temperature central spreader (11), low temperature avris spreader (12) through baffle-box (7) respectively. The utility model is used for the high-efficiency ash removing device suitable for the garbage furnace.
Description
Technical Field
The utility model relates to the technical field of power station boilers and industrial boilers, in particular to a high-efficiency ash removing device suitable for a garbage furnace.
Background
The soot deposition on the heating surface of the boiler is a common problem in the operation of the boiler, and the hazards caused by the soot deposition of the boiler mainly comprise: 1) the temperature of the exhaust gas is increased, and the operating economy of the boiler is reduced; 2) the smoke resistance is increased, so that the induced draft fan is overloaded; 3) the service life of the heating surface is reduced, particularly, ash deposition of an air preheater in the heating surface of the tail flue is easy to occur and easy to deteriorate to form ash blockage, and further corrosion of the air preheater is closely related to the ash blockage;
when the air preheater is blocked, the heating surface of the air preheater is easy to adhere to the ash scale due to long-term ash deposition and scaling, SO that the corrosion of the air preheater is aggravated, and when the air preheater is corroded, the smoothness of the heating surface is seriously deteriorated, the ash deposition of the air preheater is aggravated, and when the air preheater is blocked and corroded, the first air temperature and the second air temperature at the outlet of the air preheater are obviously reduced, the smoke discharge temperature is obviously increased, and the boiler efficiency is reduced;
the existing boiler ash removal technology in the prior art mainly comprises three types of steam ash removal, sound wave ash removal and gas shock wave ash removal; the steam soot blowing is to put a steam spray pipe into a hearth to perform rotary soot blowing, and the spray pipe needs to be withdrawn after the soot blowing is finished, so that a large number of movable parts are needed, the soot blower is frequent in operation, high in fault occurrence rate, large in mechanical and electrical maintenance and overhaul amount, large in working medium loss amount and high in operation cost; in addition, the steam soot blower is used, so that the moisture content in the flue gas can be increased, the dew point temperature of the flue gas is increased, and the phenomena of ash blockage and corrosion at the cold end of the economizer are increased; the sound wave ash removal effect is determined by the flow and pressure of the used compressed air, and if the compressed air parameters are low in operation, the ash removal effect is obviously weakened; shock wave deashing adopts the detonation shock wave to carry out the deashing, and stability is not strong, and the impact is little then the deashing effect is poor during the deashing, and the too big life that then can the furnace member that reduces greatly of impact, in addition, the directive property of shock wave deashing is stronger, therefore soot blowing dead angle or soot blowing effect weak area are more. Therefore, develop novel ash removal device, solve the long-pending grey problem of boiler hot side ubiquitous, improve boiler thermal efficiency, have very important meaning.
Disclosure of Invention
The utility model aims to provide an efficient ash removal device suitable for a garbage furnace, which adopts a mechanical lifting steel ball to circularly remove ash and has the advantages of low operation and maintenance cost, reliable working stability and the like.
The above purpose is realized by the following technical scheme:
an efficient ash handling equipment suitable for garbage furnace, its composition includes: the tail flue, the tail flue in have high temperature heating surface, low temperature heating surface respectively from top to bottom, tail flue bottom opening part install the electromagnetism push-pull valve, electromagnetism push-pull valve below install flying dust steel ball separator, flying dust steel ball separator middle part slope installation sorting screen, the low end side installation sorting gate of sorting screen, the sorting gate be connected with sealed lifting machine, sealed lifting machine exit linkage steel ball bin, steel ball bin bottom a set of opening has, the opening connect the decline route, the decline route pass through the baffle-box respectively with high temperature avris spreader, high temperature central authorities spreader, low temperature avris spreader and be connected.
The high-efficient ash handling equipment who is fit for the garbage truck, high temperature avris spreader high temperature central authorities spreader low temperature avris spreader arrange high temperature receive the hot side top, wherein high temperature avris spreader with high temperature central authorities spreader arrange the afterbody flue all around and the middle part, low temperature avris spreader arrange the high temperature receive the hot side with low temperature receive between the hot side, and distribute and be in the afterbody flue all around.
The high-efficient ash handling equipment who is fit for the garbage truck, high temperature avris spreader arrange afterbody flue around, the steel ball spreads the scattering of angle for 180, high temperature central authorities spreader arranges in the flue middle part, and its bottom is the annular, and the centre has the boss, and the steel ball spreads the angle and is 360, low temperature avris spreader arrange in afterbody flue furnace wall on, the steel ball spreads the angle and is 180.
Has the advantages that:
1. the utility model is a high-efficient ash handling equipment suitable for refuse furnace, the structural system is simple and the operation maintenance cost is low, and because of adopting the mechanical hoisting steel ball to circulate the deashing, the structural job stability and reliability are higher, the spreader design of multipoint arrangement can avoid the existence of deashing dead angle, in addition can not cause the increase of moisture of flue gas and low temperature corrosion, economical and practical.
The utility model can realize automatic and on-line circulating ash removal, ensures the cleanness degree of the heated surface, has simple structure, low operation and maintenance cost and high stability, and simultaneously can not cause the increase of the moisture of the flue gas and the low-temperature corrosion.
The utility model can also be applied to conventional coal-fired boilers and other industrial boilers, has wider application range, and has less modification work of the boiler body, low modification cost, short implementation period and easy realization of industrialization when adopting the structure.
The utility model utilizes the impact effect generated by the scattering and falling of the steel balls to sweep and shake off the accumulated dust on the surface of the heated surface, realizes the circulating dust removal of the steel balls by arranging the elevator, and can levigate large-particle fly ash in the flue gas in the conveying process of the steel balls, thereby effectively ensuring the cleaning effect.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the high temperature side spreader structure of FIG. 1.
FIG. 3 is a schematic view of the high temperature central spreader configuration of FIG. 1.
FIG. 4 is a schematic view of the structure of the low temperature side spreader of FIG. 1.
Fig. 5 is a right side view of fig. 4.
Fig. 6 is a top view of fig. 4.
Fig. 7 is one of the structural schematic diagrams of the present invention.
Fig. 8 is a second schematic structural diagram of the present invention.
Wherein: 1. the device comprises a tail flue, 2 parts of a high-temperature heated surface, 3 parts of an electromagnetic gate valve, 4 parts of a sealing elevator, 5 parts of a steel ball storage box, 6 parts of a descending passage, 7 parts of a buffer box, 8 parts of a high-temperature side spreader, 9 parts of a fly ash steel ball separator, 10 parts of a low-temperature heated surface, 11 parts of a high-temperature central spreader, 12 parts of a low-temperature side spreader, 13 parts of a sorting screen, 14 parts of a sorting door, 15 parts of a baffle, 16 parts of an electromagnet cleaner, 17 parts of an opening, 18 parts of a ventilator, 19 parts of a cyclone separator, 20 parts of an ash bin.
The specific implementation mode is as follows:
example 1:
an efficient ash handling equipment suitable for garbage furnace, its composition includes: afterbody flue 1, the afterbody flue in have high temperature respectively from top to bottom receive hot side 2, low temperature receive hot side 10, afterbody flue bottom opening part install electromagnetic gate valve 3, electromagnetic gate valve below install flying dust steel ball separator 9, flying dust steel ball separator middle part slope installation separation sieve 13, separation sieve low side installation separation gate 14, separation gate be connected with sealed lifting machine 4, sealed lifting machine exit linkage steel ball bin 5, 5 bottoms of steel ball bin have a set of opening, the opening connect decline route 6, the decline route respectively through baffle-box 7 and high temperature avris spreader 8, high temperature central spreader 11, low temperature avris spreader 12 be connected.
Example 2:
according to embodiment 1 the high-efficient ash handling equipment who is fit for waste incinerator, high temperature avris spreader high temperature central authorities spreader arrange the high temperature receive the hot side top, wherein high temperature avris spreader with high temperature central authorities spreader arrange the afterbody flue all around and the middle part, low temperature avris spreader arrange the high temperature receive the hot side with low temperature receive between the hot side, and distribute and be in the afterbody flue all around.
Example 3:
according to embodiment 1 the high-efficient ash handling equipment who is fit for waste incinerator, high temperature avris spreader arrange afterbody flue around, the steel ball spreads the scattering of angle for 180, high temperature central authorities spreader arranges at the flue middle part, and its bottom is the annular, and the centre has the boss, and the steel ball spreads the angle and is 360, low temperature avris spreader arrange in afterbody flue furnace wall on, the steel ball spreads the angle and is 180.
Example 4:
the ash removing method of the high efficiency ash removing apparatus for garbage ovens according to embodiment 1 or 2, comprising the steps of:
firstly, smoke carrying fly ash flows through a heating surface to accumulate dust on the heating surface, steel balls in a steel ball storage box respectively enter corresponding buffer boxes through different descending passages and then fall out from corresponding spreaders, the falling speed of the steel balls is not too high after the buffering of the buffer boxes, the steel balls are spread on the heating surface to collide, jump and fall, the accumulated dust on the surface of the heating surface is swept and shaken off through the gravity and impact action, thinner fly ash enters the lower stream of a flue along with the smoke, and thicker fly ash falls to an ash hopper along with the steel balls;
opening an electromagnetic gate valve after the steel balls fall and are dispersed, dropping fly ash and the steel balls into a fly ash steel ball separator, leaving the steel balls with large particle size on a separating screen, dropping the fly ash below the separating screen to realize the separation of the steel balls from the fly ash, then closing the electromagnetic gate valve, opening a separating door, positioning a lifting bucket of a sealing lifter at the bottom, dropping the steel balls above the separating screen to the lifting bucket, sending the steel balls back to a steel ball storage box by the sealing lifter, and continuing to start the next circulating ash removal process;
the high-temperature side spreader, the high-temperature central spreader, the low-temperature side spreader and steel balls used by the device are all made of heat-resistant and wear-resistant metal, and the diameter of each steel ball is within the range of 4-12 mm.
Example 5:
according to the dust removing method of the efficient dust removing device suitable for the garbage furnace in the embodiment 1 or 2, the tail flue is internally and vertically provided with the high-temperature heating surface and the low-temperature heating surface respectively, the flue gas flow generates heat exchange with working media in the heating surface in the process of being subjected to the hot surface, but part of fly ash carried in the flue gas inevitably falls on the surface of the heating surface to form dust accumulation along with the increase of the operation time, the bottom opening of the tail flue is provided with the electromagnetic gate valve, the rear part of the electromagnetic gate valve is provided with the fly ash steel ball separator, the middle part of the fly ash steel ball separator is obliquely provided with the separating screen, the lower end side of the separating screen is provided with the separating door, and the separating door is communicated with the sealing elevator;
the outlet of the closed elevator is connected with a steel ball storage box, the bottom of the steel ball storage box is provided with a plurality of openings, the openings with larger apertures are connected with descending passages, the descending passages are connected to all the dispersers through buffer boxes, the dispersers are mainly distributed on the high-temperature heated surface and are arranged at the periphery and the middle of a tail flue, namely a high-temperature side disperser and a high-temperature central disperser, and the rest dispersers are distributed between the high-temperature heated surface and the low-temperature heated surface and are arranged at the periphery of the tail flue, namely a low-temperature side disperser;
the structure of the high-temperature side spreader is as shown in figure 2, the high-temperature side spreader is tightly attached to the periphery of a flue, the spreading angle of steel balls is 180 degrees, the structure of the high-temperature central spreader is as shown in figure 3, the bottom of the spreader is annular, a boss is arranged in the middle, the walking angle is 360 degrees, the structure of the low-temperature side spreader is as shown in figures 4-6, the high-temperature side spreader is an arc-shaped bent groove box comprising a plurality of branches, the arc-shaped extension can enable the spreader to be arranged on a furnace wall, namely, a descending passage is prevented from penetrating through a high-temperature heating surface, and the walking angle is 180 degrees;
the flue gas carrying the fly ash flows through the heating surface to accumulate dust on the heating surface, the steel balls in the steel ball storage box respectively enter corresponding buffer boxes through different descending passages and then fall out from corresponding spreaders, the falling speed of the steel balls is not too high after the buffering of the buffer boxes, the steel balls are spread on the heating surface to collide, jump and fall, the accumulated dust on the surface of the heating surface is swept and shaken off through the gravity and the impact action, the thinner fly ash enters the downstream of a flue along with the flue gas, and the thicker fly ash falls to an ash bucket along with the steel balls;
another structure of the present application, as shown in fig. 7: an electromagnet impurity remover 16 is arranged in a passage behind an outlet of the air separation door, an opening 17 is arranged under the electromagnet impurity remover 16, a baffle 15 is arranged in a passage in front of the electromagnet impurity remover, when the air separation door is opened to discharge steel balls, the electromagnet impurity remover 16 is started, the baffle 15 is closed, large slag is retained in front of the baffle, the steel balls are sucked up by the electromagnet, the opening 17 is opened to discharge the large slag, the outlet 17 is closed after slag discharge is finished, the electromagnet impurity remover 16 is closed, the baffle 15 is opened, and the steel balls return to a bucket of a closed elevator, so that the large slag and the steel balls are further separated;
another structure of the present application, as shown in fig. 8: an air inlet and a ventilator 18 are arranged at the bottom of the fly ash steel ball separator, an air outlet is arranged at the upper side of the fly ash steel ball separator and communicated with a cyclone separator 19, an exhaust gas outlet at the upper part of the cyclone separator 19 is communicated with an outlet flue, a fine ash outlet at the bottom is communicated with an ash bin 20, the fan pumps high-speed airflow to the fly ash steel ball separator, the airflow can be introduced from ambient air or clean flue gas after dust removal, ash with smaller specific gravity is carried by the airflow and enters the cyclone separator 19, then the separation of air and ash is realized, the exhaust gas is merged into the flue gas, and bottom ash enters the ash bin 20 for storage; the steel balls and the large slag with larger specific gravity enter the device described in the embodiment 4 for further separation, and a better steel ball sorting effect is obtained through the embodiment 4.
Claims (3)
1. An efficient ash handling equipment suitable for garbage furnace, its composition includes: the tail flue is characterized in that: afterbody flue in have high temperature heating surface, low temperature heating surface from top to bottom respectively, afterbody flue bottom opening part install the electromagnetism push-pull valve, electromagnetism push-pull valve below install flying dust steel ball separator, flying dust steel ball separator middle part slope installation separation sieve, separation sieve low side installation select separately the door, the select separately the door be connected with sealed lifting machine, sealed lifting machine exit linkage steel ball bin, steel ball bin bottom a set of opening has, the opening connect the decline route, the decline route pass through the baffle-box respectively with high temperature avris spreader, high temperature central authorities spreader, low temperature spreader be connected.
2. The efficient ash handling device for garbage furnaces as claimed in claim 1, wherein: high temperature avris spreader high temperature central authorities spreader low temperature avris spreader arrange high temperature receive the hot side top, wherein high temperature avris spreader with high temperature central authorities spreader arrange the afterbody flue all around and the middle part, low temperature avris spreader arrange the high temperature receive the hot side with low temperature receive between the hot side, and distribute and be in the afterbody flue all around.
3. The efficient ash handling device for garbage ovens as claimed in claim 2, wherein: the high temperature avris spreader arrange the afterbody flue around, the steel ball spreads the scattering that the angle is 180, high temperature central authorities spreader arranges in the flue middle part, and its bottom is the annular, and the centre has the boss, and the steel ball spreads the angle and is 360, low temperature avris spreader arrange in afterbody flue furnace wall, the steel ball spreads the angle and is 180.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921973.7U CN216244306U (en) | 2021-11-26 | 2021-11-26 | High-efficiency ash removing device suitable for garbage furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921973.7U CN216244306U (en) | 2021-11-26 | 2021-11-26 | High-efficiency ash removing device suitable for garbage furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216244306U true CN216244306U (en) | 2022-04-08 |
Family
ID=80956998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122921973.7U Active CN216244306U (en) | 2021-11-26 | 2021-11-26 | High-efficiency ash removing device suitable for garbage furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216244306U (en) |
-
2021
- 2021-11-26 CN CN202122921973.7U patent/CN216244306U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101701775B (en) | Residual heat boiler of steel ball dedusting type ore heat furnace | |
| CN101475098B (en) | High temperature smoke positive pressure conveying treatment process and special equipment thereof | |
| CN107883388A (en) | A kind of soot blower system and ash-blowing method for π type boiler furnace arch, furnace noses | |
| CN100594334C (en) | Refuelling machine type incinerator and its operation method | |
| CN110184411B (en) | Full-dry dedusting system for converter primary flue gas high-efficiency energy-saving ultra-clean emission | |
| CN201387005Y (en) | Dust-removing fluidized-bed furnace | |
| CN216244306U (en) | High-efficiency ash removing device suitable for garbage furnace | |
| CN113970106A (en) | Efficient ash removal device and method suitable for garbage furnace | |
| CN201583149U (en) | Waste heat boiler of steel ball dust removing type submerged arc furnace | |
| CN102003876B (en) | Culvert raw material delivery and smoke dust recovery device | |
| CN202328292U (en) | Ash handling equipment for secondary air bellow of coal-fired boiler and coal-fired boiler | |
| CN206425108U (en) | A kind of high-temperature flue gas multi-cyclone dedusting cooler | |
| CN109178985A (en) | Unload grey dedusting structure in coal-fired plant boiler slag library | |
| CN201858861U (en) | Ducted raw material conveying and smoke dust recycling device for smelting containers | |
| CN111068446B (en) | Sintering flue gas circulation system and ash removal method of sintering flue gas circulation system | |
| CN209043088U (en) | A kind of heat exchanger | |
| CN112063793A (en) | Primary pure dry dedusting system of converter integrating full waste heat recovery and stable fine purification | |
| CN101240176A (en) | Method for reclaiming and utilizing residual heat of coke oven flue gas | |
| CN210180188U (en) | Positive-pressure discharging type submerged arc furnace flue gas micro silicon powder recovery system | |
| CN208418768U (en) | Boiler tail flue gas output device | |
| CN103131434A (en) | Coke discharge dedusting system of coke oven | |
| CN207486826U (en) | A kind of boiler economizer ash bucket collection apparatus for ash | |
| CN213453666U (en) | Fluidized bed industrial solid waste incinerator adopting tubular air distribution | |
| CN210861069U (en) | Boiler returning charge device | |
| CN217367544U (en) | Unpowered pre-dedusting chamber applied to SCR denitration reactor of chain furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |