CN203836969U - Sludge and household garbage mixed burning device based on grate furnace - Google Patents
Sludge and household garbage mixed burning device based on grate furnace Download PDFInfo
- Publication number
- CN203836969U CN203836969U CN201420246150.6U CN201420246150U CN203836969U CN 203836969 U CN203836969 U CN 203836969U CN 201420246150 U CN201420246150 U CN 201420246150U CN 203836969 U CN203836969 U CN 203836969U
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- China
- Prior art keywords
- grate
- fire grate
- burning
- sludge
- mud
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- Expired - Lifetime
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 36
- 239000010802 sludge Substances 0.000 title abstract description 19
- 238000007599 discharging Methods 0.000 claims description 10
- 239000003818 cinder Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract 2
- 239000002918 waste heat Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 8
- 238000004056 waste incineration Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a sludge and household garbage mixed burning device based on a grate furnace. The sludge and household garbage mixed burning device based on the grate furnace comprises a feeding device and the double-hearth grate furnace, the double-hearth grate furnace comprises a drying section fire grate, a drying section hearth, a burning section fire grate and a burning section hearth, and a sludge spraying device is arranged on the top of the drying section hearth. Garbage enters the drying section fire grate through the feeding device, sludge is sprayed on the garbage through the spraying device on the top of the drying section hearth, mixing and heat transferring of the sludge and the household garbage are achieved, and the sludge and the household garbage are gradually dried; on the burning section fire grate, the sludge and the household garbage gradually achieve stable burning and complete burning under the air supply condition along with reciprocating movement and stirring of fire grate segments; the mixed burning amount of the sludge can be adjusted in time according to burning condition, and convenience and rapidness are achieved; the mature technologies such as household garbage burning, waste heat utilization and flue gas treatment are fully utilized, the construction and operation cost of sludge burning treatment projects is greatly lowered, and hazard-free treatment, reduction and reutilization of sludge treatment are achieved.
Description
Technical field
The utility model relates to a kind of sludge incineration device, particularly a kind of mud and domestic garbage mixing incinerator.
Background technology
Along with the quickening of high speed development and the Urbanization Construction of economic society, the sewage load in cities and towns increases rapidly, the also sharp increase of the mud of sewage treatment plant, and China's annual production of urban wastewater treatment firm mud has at present exceeded 3,000 ten thousand tons according to statistics.In mud, contain nutrients, heavy metal and germ and the pathogens etc. such as a large amount of organic matters, abundant nitrogen phosphorus, let alone discharge if do not processed, can cause serious pollution to environment.How effectively and economically processing treating excess sludge and realizing recycling sludge utilization has become a global environmental problem, is also the problem that cannot avoid of China facing.
It is multiple that the processing disposal options of current mud mainly contains sanitary landfills, soil utilization and burning etc., but all have certain drawback and deficiency.Sanitary landfills may have harmful substances Leakage for Groundwater and pollute, and will take more land resource; May there is the contaminated and public's safety problem of agricultural product in soil utilization; Construction and the operating cost of burning disposal are high.So cause the processing handling problems of mud also not obtain the solution of essence.
Burning disposal becomes the main solution of domestic waste gradually at present, can effectively realize innoxious, minimizing and the resource of house refuse, the waste incineration industry of China has entered the golden period of development, and each big city is all in newly-built incineration treatment of garbage project.
It is a urgent problem that the effective processing of mud is disposed, and how to utilize the advantage of consumer waste incineration processing to solve the processing handling problems of mud, becomes the study hotspot of industry.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of mud and domestic garbage mixing incinerator based on grate furnace, take full advantage of the mature technologies such as consumer waste incineration, UTILIZATION OF VESIDUAL HEAT IN and flue gas processing, innoxious, the minimizing and the resource that realize Treatment of Sludge, solve the independent burning disposal project construction of mud and the high problem of operating cost in prior art.
Mud and the domestic garbage mixing incinerator of the utility model based on grate furnace, comprise feed arrangement and twin furnace grate furnace, described twin furnace grate furnace comprises dryer section fire grate, dryer section burner hearth, burning zone fire grate and burning zone burner hearth, the charging aperture of described dryer section fire grate is connected with the discharging opening of feed arrangement, the discharging opening of described dryer section fire grate is connected with the charging aperture of burning zone fire grate, and the top of described dryer section burner hearth is provided with mud flusher.
Further, the discharge flue of described twin furnace grate furnace is arranged at the chimney arch top of burning zone burner hearth feed end.
Further, described discharge flue is longitudinally furnished with some Secondary Air entrances.
Further, the downward-sloping layout of the chimney arch of described burning zone burner hearth, and chimney arch inclination angle is with respect to the horizontal plane 30 °～50 °.
Further, the discharge end of described burning zone burner hearth is provided with the vertically rear wall being connected with chimney arch end, on described rear wall, is provided with manhole door and high-temperature camera.
Further, the cinder notch that falls of described burning zone fire grate is connected to fire grate end and rear wall below.
Further, on the chimney arch of described burning zone burner hearth, be provided with burner apparatus.
Further, between the rear end of described dryer section fire grate and the front end of burning zone fire grate, be provided with the drop of 500～1000mm.
Further, described dryer section fire grate and burning zone fire grate are inverse-push fire grate, dryer section fire grate is made up of 3～5 groups of fire grate segments, burning zone fire grate is made up of 6～8 groups of fire grate segments, every group of fixed grate film and movable furnace grate plate formation that fire grate segment is alternately arranged by 2 row, and the angle of dryer section grate surface and horizontal plane is 18 °～25 °, the angle of burning zone grate surface and horizontal plane is 23 °～30 °.
Further, blanking groove that described feed arrangement comprises hopper, be connected with hopper, be arranged on blanking groove discharging opening below pusher platform, be arranged on the pusher dolly of pusher platform top and be arranged on the leachate collection bucket of pusher platform below, the angle of described blanking groove and vertical direction is 9.
The beneficial effects of the utility model:
1, mud and the domestic garbage mixing incinerator of the utility model based on grate furnace, rubbish enters dryer section fire grate by feed arrangement, mud is sprayed on rubbish by the flusher of dryer section roof of the furnace, and mud is realized and mutually mixed and conduct heat with house refuse, and dry gradually; On burning zone fire grate, mud and house refuse, along with reciprocating motion and the stirring of fire grate segment, progressively realize smooth combustion and completing combustion under air feed condition; The multifuel combustion amount of mud can be adjusted in time according to combustion case, convenient and swift.This device takes full advantage of the mature technologies such as consumer waste incineration, UTILIZATION OF VESIDUAL HEAT IN and flue gas processing, and the object construction of sludge incineration processing item and operating cost are reduced greatly, has realized innoxious, minimizing and the resource of Treatment of Sludge.
2, mud and the domestic garbage mixing incinerator of the utility model based on grate furnace, its discharge flue is arranged at the chimney arch top of burning zone burner hearth feed end, and downward-sloping 30 °～50 ° of the chimney arch of burning zone burner hearth, thereby form flue gas adverse current formula chamber structure, be conducive to promote disturbance and the burning of combustion product gases, be also conducive to the heat radiation of chimney arch to material on fire grate.
3, mud and the domestic garbage mixing incinerator of the utility model based on grate furnace, between the front end of the rear end of its dryer section fire grate and burning zone fire grate, be provided with the drop of 500～1000mm, can make the material after drying and preheating become looser by dropping and bumping, be beneficial to material and on burning zone fire grate, realize smooth combustion and completing combustion.
Brief description of the drawings
Fig. 1 is the mud of the utility model based on grate furnace and the structural representation of domestic garbage mixing incinerator.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in the figure, mud and the domestic garbage mixing incinerator of the present embodiment based on grate furnace, comprise feed arrangement 1 and twin furnace grate furnace, described twin furnace grate furnace comprises dryer section fire grate 13, dryer section burner hearth 2, burning zone fire grate 14 and burning zone burner hearth 3, the charging aperture of described dryer section fire grate 13 is connected with the discharging opening of feed arrangement 1, the discharging opening of described dryer section fire grate 13 is connected with the charging aperture of burning zone fire grate 14, and the top of described dryer section burner hearth 2 is provided with mud flusher 4.
When work, rubbish enters on dryer section fire grate 13 by feed arrangement 1, and mud is sprayed on rubbish by the flusher 4 at burner hearth 2 tops, and one time wind enters burner hearth from the ash bucket of fire grate below, mud is realized and is mutually mixed and conduct heat with house refuse, and dry gradually; On burning zone fire grate 14, mud and house refuse, along with reciprocating motion and the stirring of fire grate segment, progressively realize smooth combustion and completing combustion; The multifuel combustion amount of mud can be adjusted in time according to combustion case, convenient and swift.This device takes full advantage of the mature technologies such as consumer waste incineration, UTILIZATION OF VESIDUAL HEAT IN and flue gas processing, and the object construction of sludge incineration processing item and operating cost are reduced greatly, has realized innoxious, minimizing and the resource of Treatment of Sludge.
As the improvement to the present embodiment, the discharge flue 5 of described twin furnace grate furnace is arranged at chimney arch 6 tops of burning zone burner hearth 3 feed ends, flue gas reverse flow in burning zone burner hearth 3 enters discharge flue 5, is conducive to promote the disturbance of combustion product gases and fully burning.
As the improvement to the present embodiment, described discharge flue 5 is longitudinally furnished with some Secondary Air entrances 7, passes into Secondary Air and can strengthen the disturbance to combustion product gases, further promotes the completing combustion of flue gas.
As the improvement to the present embodiment, the downward-sloping layout of chimney arch 6 of described burning zone burner hearth 3, and chimney arch 6 tiltangleθ 1 is with respect to the horizontal plane 38 ° (in different embodiment, θ 1 also can be other value within the scope of 30 °～50 ° certainly), chimney arch is obliquely installed and can plays water conservancy diversion flue gas and thermal-radiating effect, is conducive to the dry and burning of material.
As the improvement to the present embodiment, the discharge end of described burning zone burner hearth 3 is provided with the vertically rear wall 8 being connected with chimney arch 6 ends, on described rear wall 8, be provided with manhole door 9 and high-temperature camera 10, can conveniently enter burner hearth by manhole door 9 and keep in repair, can monitor stove chamber inner combustion situation by high-temperature camera 10.
As the improvement to the present embodiment, the cinder notch 11 that falls of described burning zone fire grate 14 connects the below of end and the rear wall 8 of fire grate, the discharging from the cinder notch 11 that falls of the slag after material burns.
As the improvement to the present embodiment, on the chimney arch 6 of described burning zone burner hearth 3, be provided with burner apparatus 12, burner apparatus 12 heats up and insulation for rising when blowing out.
As the improvement to the present embodiment, between the front end of the rear end of described dryer section fire grate 13 and burning zone fire grate 14, be provided with the drop (certainly also can be other value within the scope of 500～1000mm at drop described in different embodiment) of 1000mm, this drop can make the material on dryer section fire grate 13 drop while entering burning zone fire grate 14, to bump and become looser, be conducive to material and on burning zone fire grate 14, realize smooth combustion better and completing combustion.
As the improvement to the present embodiment, described dryer section fire grate 13 and burning zone fire grate 14 are inverse-push fire grate, dryer section fire grate 13 forms (certainly in different embodiment, also can be other value in 3～5 class ranges) by 4 groups of fire grate segments, burning zone fire grate 14 forms (certainly in different embodiment, also can be other value in 6～8 class ranges) by 6 groups of fire grate segments, every group of fixed grate film and movable furnace grate plate formation that fire grate segment is alternately arranged by 2 row, and dryer section grate surface is 22 ° (in different embodiment, θ 2 also can be other value within the scope of 18 °～25 ° certainly) from the angle theta 2 of horizontal plane, burning zone grate surface is 25 ° (in different embodiment, θ 3 also can be other value within the scope of 23 °～30 ° certainly) from the angle theta 3 of horizontal plane.In the present embodiment, fire grate is with the unit's of classifying as layout, and the version of every row fire grate is identical, adopts modularized design, can be according to the fire grate that requires the different columns of lateral arrangement of project disposal ability, and the relatively independent operation of every row fire grate, controllability is strong, stable; Simultaneously fire grate is in tilted layout and is conducive to material and is fed forward under Action of Gravity Field.
As the improvement to the present embodiment, described feed arrangement 1 comprises hopper 101, the blanking groove 102 being connected with hopper, be arranged on the pusher platform 103 of blanking groove discharging opening below, be arranged on the pusher dolly 104 and the leachate collection bucket 105 that is arranged on pusher platform below of pusher platform top, the angle theta 4 of described blanking groove 102 and vertical direction is 9 °, in this feed arrangement, being in tilted layout of blanking groove 102 can ensure the smooth and easy whereabouts of rubbish, can also avoid rubbish to damage the problem of pusher platform and pusher dolly because falling speed is too fast, and rubbish can form stock column in blanking groove, can avoid cool exterior air to enter burner hearth and burner hearth internal heat flue gas leaks.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. the mud based on grate furnace and domestic garbage mixing incinerator, it is characterized in that: comprise feed arrangement and twin furnace grate furnace, described twin furnace grate furnace comprises dryer section fire grate, dryer section burner hearth, burning zone fire grate and burning zone burner hearth, the charging aperture of described dryer section fire grate is connected with the discharging opening of feed arrangement, the discharging opening of described dryer section fire grate is connected with the charging aperture of burning zone fire grate, and the top of described dryer section burner hearth is provided with mud flusher.
2. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 1, is characterized in that: the discharge flue of described twin furnace grate furnace is arranged at the chimney arch top of burning zone burner hearth feed end.
3. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 2, is characterized in that: described discharge flue is longitudinally furnished with some Secondary Air entrances.
4. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 2, is characterized in that: the downward-sloping layout of chimney arch of described burning zone burner hearth, and chimney arch inclination angle is with respect to the horizontal plane 30 °～50 °.
5. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 1, it is characterized in that: the discharge end of described burning zone burner hearth is provided with the vertically rear wall being connected with chimney arch end, on described rear wall, is provided with manhole door and high-temperature camera.
6. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 5, is characterized in that: the cinder notch that falls of described burning zone fire grate is connected to fire grate end and rear wall below.
7. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 1, is characterized in that: on the chimney arch of described burning zone burner hearth, be provided with burner apparatus.
8. according to the arbitrary described mud based on grate furnace and domestic garbage mixing incinerator in claim 1-7, it is characterized in that: the drop that is provided with 500～1000mm between the rear end of described dryer section fire grate and the front end of burning zone fire grate.
9. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 8, it is characterized in that: described dryer section fire grate and burning zone fire grate are inverse-push fire grate, dryer section fire grate is made up of 3～5 groups of fire grate segments, burning zone fire grate is made up of 6～8 groups of fire grate segments, every group of fixed grate film and movable furnace grate plate formation that fire grate segment is alternately arranged by 2 row, and the angle of dryer section grate surface and horizontal plane is 18 °～25 °, the angle of burning zone grate surface and horizontal plane is 23 °～30 °.
10. mud and the domestic garbage mixing incinerator based on grate furnace according to claim 1, it is characterized in that: blanking groove that described feed arrangement comprises hopper, be connected with hopper, be arranged on blanking groove discharging opening below pusher platform, be arranged on the pusher dolly of pusher platform top and be arranged on the leachate collection bucket of pusher platform below, the angle of described blanking groove and vertical direction is 9 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246150.6U CN203836969U (en) | 2014-05-14 | 2014-05-14 | Sludge and household garbage mixed burning device based on grate furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246150.6U CN203836969U (en) | 2014-05-14 | 2014-05-14 | Sludge and household garbage mixed burning device based on grate furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836969U true CN203836969U (en) | 2014-09-17 |
Family
ID=51514801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420246150.6U Expired - Lifetime CN203836969U (en) | 2014-05-14 | 2014-05-14 | Sludge and household garbage mixed burning device based on grate furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836969U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939913A (en) * | 2014-05-14 | 2014-07-23 | 重庆三峰卡万塔环境产业有限公司 | Sewage sludge and household garbage mixed incinerating device based on grate furnace |
| CN107830525A (en) * | 2017-11-17 | 2018-03-23 | 华南理工大学 | A kind of rubbish cooperates with incineration treatment method and device with semi-dry sludge |
-
2014
- 2014-05-14 CN CN201420246150.6U patent/CN203836969U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939913A (en) * | 2014-05-14 | 2014-07-23 | 重庆三峰卡万塔环境产业有限公司 | Sewage sludge and household garbage mixed incinerating device based on grate furnace |
| CN103939913B (en) * | 2014-05-14 | 2016-05-25 | 重庆三峰卡万塔环境产业有限公司 | Mud based on grate furnace and domestic garbage mixing incinerator |
| CN107830525A (en) * | 2017-11-17 | 2018-03-23 | 华南理工大学 | A kind of rubbish cooperates with incineration treatment method and device with semi-dry sludge |
| WO2019095964A1 (en) * | 2017-11-17 | 2019-05-23 | 华南理工大学 | Treatment method and device for cooperatively burning garbage and semi-dry sludge |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |