CN108087894A - Burning feeding system is mixed in a kind of sludge mixing - Google Patents
Burning feeding system is mixed in a kind of sludge mixing Download PDFInfo
- Publication number
- CN108087894A CN108087894A CN201711466619.1A CN201711466619A CN108087894A CN 108087894 A CN108087894 A CN 108087894A CN 201711466619 A CN201711466619 A CN 201711466619A CN 108087894 A CN108087894 A CN 108087894A
- Authority
- CN
- China
- Prior art keywords
- sludge
- mixing
- coal
- blending machine
- mixed
- 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.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 123
- 238000002156 mixing Methods 0.000 title claims abstract description 62
- 239000003245 coal Substances 0.000 claims abstract description 42
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003546 flue gas Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000000446 fuel Substances 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000007723 transport mechanism Effects 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000003750 conditioning effect Effects 0.000 description 6
- 244000052769 pathogen Species 0.000 description 5
- 230000001717 pathogenic effect Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 244000045947 parasite Species 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of mixing of sludge to mix burning feeding system, bucket, horizontal conveying belt, coal conveyor, mixing and blending machine and powder unit processed are received including sludge storage storage, screw(-type) feeder, belt conveyor, sludge, sludge is delivered to mixing and blending machine by the horizontal conveying belt, and it is mixed together with the coal charge of the coal conveyor from same horizontal line in mixing and blending machine, the powder unit processed is connected to mixing and blending machine outlet, dusty fuel is made in the mixture of sludge in mixing and blending machine and coal charge, is then sent in boiler and burns.Compared with prior art, the present invention is effectively treated for municipal sludge rubbish in life, sludge and coal are sufficiently mixed using various transport mechanisms, and the flue gas in chimney is introduced into mixing and blending machine, desiccation is carried out to sludge and coal using the temperature of flue gas, on the one hand reaches the desiccation requirement of sludge and coal, on the other hand reduces the loss of heat, boiler efficiency is effectively improved, utilizes changing waste into resources.
Description
Technical field
It is mixed the present invention relates to sludge and burns feeding technology field, and in particular to burning feeding system is mixed in a kind of sludge mixing.
Background technology
Municipal sludge is both pollutant and a kind of resource.Sludge is considered as a kind of resource to be efficiently used, is being administered
Turn waste into wealth while pollution, realize the recycling of sludge, there is significant environment and economic benefit.By former coal-fired small thermal motor
Group is changed to the comprehensive utilization of resources unit of burning mixed mud, on the one hand can alleviate the problem of a large amount of Treatment of Sludge are difficult at present, avoid filling out
Environmental pollution caused by burying etc., while reduce the newly-built construction cost of Treatment of Sludge factory and sludge transportation cost；It on the other hand can
The calorific value of sludge is made full use of to be generated electricity and heat supply.
If sludge is dealt with improperly, can cause environmental pollution：
1st, sludge salt content is higher, can significantly improve soil conductivity, destroy soil nutrient balance, inhibits plant to nutrient
Absorption.Even root system of plant is caused directly to injure, and interionic antagonism can accelerate the leaching loss of available nutrient.
2nd, the pathogen in sewage (pathogenic microorganism and parasite) can also enter sludge by processing.It is examined in fresh sludge
Up to thousand kinds of the pathogen measured, wherein it is parasite to endanger larger.Pathogen is big to the pollution channel of the mankind or animal
Cause has 4：(a) directly contacted with sludge；(b) contact directly to infect with sludge by food chain；(c) water source is dirty by pathogen
Dye；(d) pathogen polluted soil first, then polluted-water.
3rd, after largely using the sludge containing N, P etc. on the soil of rainfall larger area, when organic matter decomposition rate
During more than plant to the infiltration rate of N, P, the nutrients such as N, P are possible to outflow with water and enter surface water body and cause water body rich
Nutrient laden causes underground water pollution into underground water.
4th, organic matter high polymer pollutes.Mainly there are benzene, chlorophenol etc. in municipal sludge.Although at present both at home and abroad to municipal sludge
The research of middle organic pollution is simultaneously few, but some countries are to the feature of organic pollution in agricultural sludge and its in agriculture ring
Behavior, ecological effect and regulation measure in border etc. have carried out certain research.Western developed country is to organic in sludge
The concentration of pollutant has carried out certain limitation.
5th, heavy metal pollution.In sewage disposal process, 70%~90% heavy metal element by absorb or precipitate and
It is transferred in sludge.Some heavy metal elements are mainly derived from the waste water of industrial discharge, such as some sources of heavy metal of cadmium, chromium in
The pipe-line system of family life.An important factor for heavy metal is limitation sludge extensive land use, because sludge is applied to soil
After earth, heavy metal will build up in surface layer.In addition, the general solubility of heavy metal is small, property is relatively stablized, difficult removal, so it is latent
It is easy to accumulate in crop and animal and the mankind in toxicity.
Sludge is used, is turned waste into wealth, need to be handled by reasonable manner therefore, it is necessary to a kind of system come
It carries out the processing of sludge and then burns.
The content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems and provides a kind of sludge mixing and mix burning feeding system.
The purpose of the present invention is achieved through the following technical solutions：
Burning feeding system is mixed in a kind of sludge mixing, is connect including sludge storage storage, screw(-type) feeder, belt conveyor, sludge
Bucket, horizontal conveying belt, coal conveyor, mixing and blending machine and powder unit processed are received, the sludge storage storage stores sludge, sludge storage storage
Outlet connection screw(-type) feeder, the screw(-type) feeder outlet connection belt conveyor, the outlet of the belt conveyor
It connects sludge and receives bucket, the sludge receives the outlet connection horizontal conveying belt of bucket, and sludge is delivered to by the horizontal conveying belt
Mixing and blending machine, and mixed together with the coal charge of the coal conveyor from same horizontal line in mixing and blending machine, the powder list processed
Member is connected to mixing and blending machine outlet, and the mixture of sludge in mixing and blending machine and coal charge is made dusty fuel, is then conveyed
It burns into boiler.
Further, the sludge storage storage lower part is equipped with the regulating valve of control sludge discharging, is conducive to according to burning shape
The amount of the timely conditioning of mud of condition.
Further, the sludge receives bucket lower part and is equipped with sludge shut-off valve.
Further, the coal conveyor is equipped with the defeated coal regulating valve of control coal-feeding quantity.
Further, the belt conveyor is with acclive belt conveyor, and the outlet of screw(-type) feeder is arranged on skin
The lower end of belt conveyor, belt conveyor carry certain degree of friction, are conducive to the transport of sludge.
Further, the sludge receives bucket and is arranged on eminence, and sludge is transmitted to sludge and receives bucket by the belt conveyor
It is interior.
Further, the mixing and blending machine receive the flue gas from chimney and using flue-gas temperature by coal charge and sludge into
Row desiccation advantageously reduces the loss of heat, reaches sludge and the certain desiccation degree of coal.
The present invention is effectively treated for municipal sludge rubbish in life, using various transport mechanisms by sludge and coal into
Row is sufficiently mixed, and the flue gas in chimney is introduced into mixing and blending machine, and sludge and coal are done using the temperature of flue gas
Change, on the one hand reach the desiccation requirement of sludge and coal, on the other hand reduce the loss of heat, effectively improve boiler efficiency.This
Invention powder unit processed grinds coal and sludge, is blown into burner hearth, is conducive to fully burn, and the transport of sludge quantity and coal is set and is adjusted
Valve can utilize changing waste into resources according to the dosage of the effective conditioning of mud of combustion position and coal.
Description of the drawings
Fig. 1 is the structure diagram of present system；
Fig. 2 is the schematic diagram that sludge mixes burning process；
In figure：1- sludge storage storage；2- sludge conditioning valves；3- screw(-type) feeders；4- belt conveyors；5- sludge receives
Bucket；6- sludge shut-off valves；7- horizontal conveying belts；8- coal conveyors；The defeated coal regulating valves of 9-；10- mixing and blending machines；11- powder units；
12- boilers.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings, it is clear that described embodiment is only this
The part of the embodiment of invention, instead of all the embodiments.Based on the embodiment of the present invention, creative work is not being made
Under the premise of other all embodiments for being obtained, belong to the scope of protection of the invention.
As shown in Figure 1, burning feeding system is mixed in a kind of sludge mixing, including sludge storage storage 1, sludge storage storage 1 is provided with
According to combustion position, the supply of sludge, the dirt of sludge storage storage 1 are carried out by controlling sludge conditioning valve 2 for sludge conditioning valve 2
Sludge is sent to the belt conveyor 4 with certain slope by mud by screw(-type) feeder 3, is carried sludge by belt conveyor 4
It is raised to the sludge with certain altitude and receives bucket 5, sludge is sent to horizontal conveying belt 7 and in same horizontal line afterwards
Coal in coal conveyor 8 is converged, and is sent to mixing and blending machine 10 together.
Further, system further includes sludge shut-off valve 8, when equipment breaks down, stops the operation of horizontal transmission 7, together
Shi Kaiqi sludge shut-off valve 6 so ensures the stopping of sludge transfer.The mixing and blending machine 10 set in systems is received from cigarette
The flue gas of chimney carries out desiccation to sludge and coal by using the temperature in flue gas, advantageously reduces the loss of flue gas heat, and energy
Reach sludge and the certain desiccation degree of coal.In addition, powder unit 11 processed is additionally provided in systems, and sludge and coal are ground
It is broken, it is blown among 12 burner hearth of boiler, reaches sludge and mix burning fully burning, as shown in Figure 2.
Concrete operating principle of the present invention is as follows：
Sludge mixing is mixed burning feeding system and be can be widely applied among various combustion apparatus.Sludge, which is collected, is stored in sludge
In storage warehouse 1, according to combustion position, conditioning of mud regulating valve 2 mixes burning amount control sludge, and sludge passes through screw(-type) feeder 3
It is transmitted, sludge transmission is then promoted into the sludge for arriving and having certain altitude by carrying the belt conveyor 4 of certain slope
It receives in storehouse 5, while coal conveyor 8 sends coal by another route, horizontal conveying belt 7 converges sludge and coal, and one
It rises and is sent in mixing and blending machine 10, the flue gas in coal-fired chimney is guided in mixing and blending machine 10, desiccation is carried out to coal and sludge,
Reach the desiccation degree of required combustion conditions, then the coal after desiccation and sludge are sent in powder unit 11 processed, and coal and sludge are carried out
It grinds, is blown into 12 burner hearth of boiler and is fully burnt.System connection and reasonable arrangement sets various regulating valves, can be right as needed
Coal and sludge carry out fair supply, are effectively rationally utilized municipal sludge, and power plant's combustion is improved while reducing municipal pollution
The utilization of burning.
Above said content is only the basic explanation under this design, and that technical solution according to the invention is made is any etc.
Effect conversion, is within the scope of protection of the invention.
Claims (7)
1. burning feeding system is mixed in a kind of sludge mixing, which is characterized in that including sludge storage storage (1), screw(-type) feeder (3), skin
Belt conveyor (4), sludge receive bucket (5), horizontal conveying belt (7), coal conveyor (8), mixing and blending machine (10) and powder unit processed
(11), sludge storage storage (1) the storage sludge, the outlet connection screw(-type) feeder (3) of sludge storage storage (1), the spiral
The outlet connection belt conveyor (4) of batcher (3), the outlet connection sludge of the belt conveyor (4) receive bucket (5), institute
The outlet connection horizontal conveying belt (7) that sludge receives bucket (5) is stated, sludge is delivered to mixing by the horizontal conveying belt (7)
Machine (10), and mixed together with the coal charge of the coal conveyor (8) from same horizontal line in mixing and blending machine (10), the powder processed
Unit (11) is connected to mixing and blending machine (10) outlet, and the mixture of sludge and coal charge in mixing and blending machine (10) is made powdery
Fuel is then sent to burning in boiler (12).
2. burning feeding system is mixed in a kind of sludge mixing according to claim 1, which is characterized in that the sludge storage storage
(1) lower part is equipped with the regulating valve (2) of control sludge discharging.
3. burning feeding system is mixed in a kind of sludge mixing according to claim 1, which is characterized in that the sludge receives bucket
(5) lower part is equipped with sludge shut-off valve (6).
4. burning feeding system is mixed in a kind of sludge mixing according to claim 1, which is characterized in that the coal conveyor (8) sets
There is the defeated coal regulating valve (9) of control coal-feeding quantity.
5. burning feeding system is mixed in a kind of sludge mixing according to claim 1, which is characterized in that the belt conveyor
(4) it is with acclive belt conveyor (4), the outlet of screw(-type) feeder (3) is arranged on the lower end of belt conveyor (4).
6. burning feeding system is mixed in a kind of sludge mixing according to claim 5, which is characterized in that the sludge receives bucket
(5) eminence is arranged on, sludge is transmitted to sludge and received in bucket (5) by the belt conveyor (4).
7. burning feeding system is mixed in a kind of sludge mixing according to claim 5, which is characterized in that the mixing and blending machine
(10) receive the flue gas from chimney and coal charge and sludge are subjected to desiccation using flue-gas temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466619.1A CN108087894A (en) | 2017-12-28 | 2017-12-28 | Burning feeding system is mixed in a kind of sludge mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466619.1A CN108087894A (en) | 2017-12-28 | 2017-12-28 | Burning feeding system is mixed in a kind of sludge mixing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087894A true CN108087894A (en) | 2018-05-29 |
Family
ID=62180337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466619.1A Pending CN108087894A (en) | 2017-12-28 | 2017-12-28 | Burning feeding system is mixed in a kind of sludge mixing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087894A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076178A (en) * | 2019-04-30 | 2019-08-02 | 武汉永清环保科技工程有限公司 | A kind of semisolid hazardous waste preprocess method |
| CN113717766A (en) * | 2021-08-25 | 2021-11-30 | 江苏绿威环保科技股份有限公司 | Automatic blending system and method for sludge co-treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040021191A (en) * | 2002-09-03 | 2004-03-10 | 주식회사 포스코 | Recycling apparatus of sludge produced from biochemical treatment |
| CN101570388A (en) * | 2009-05-26 | 2009-11-04 | 华电滕州新源热电有限公司 | Harmless recycling treatment process for urban sludge |
| CN101650035A (en) * | 2009-06-23 | 2010-02-17 | 东莞玖龙纸业有限公司 | Method for mixing and burning sludge by pulverized coal furnace |
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| CN103388825A (en) * | 2013-07-24 | 2013-11-13 | 中国国电集团公司谏壁发电厂 | Sludge and raw coal blending boiler power generation process |
| CN104048299A (en) * | 2014-05-27 | 2014-09-17 | 广东电网公司电力科学研究院 | Sludge co-combustion system for coal-fired power plant and intelligent supply method thereof |
| CN207716434U (en) * | 2017-12-28 | 2018-08-10 | 上海电力学院 | Burning feeding system is mixed in a kind of mixing of sludge |
-
2017
- 2017-12-28 CN CN201711466619.1A patent/CN108087894A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040021191A (en) * | 2002-09-03 | 2004-03-10 | 주식회사 포스코 | Recycling apparatus of sludge produced from biochemical treatment |
| CN101570388A (en) * | 2009-05-26 | 2009-11-04 | 华电滕州新源热电有限公司 | Harmless recycling treatment process for urban sludge |
| CN101650035A (en) * | 2009-06-23 | 2010-02-17 | 东莞玖龙纸业有限公司 | Method for mixing and burning sludge by pulverized coal furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076178A (en) * | 2019-04-30 | 2019-08-02 | 武汉永清环保科技工程有限公司 | A kind of semisolid hazardous waste preprocess method |
| CN113717766A (en) * | 2021-08-25 | 2021-11-30 | 江苏绿威环保科技股份有限公司 | Automatic blending system and method for sludge co-treatment |
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