CN100575284C - The stench control system of sludge drying engineering - Google Patents
The stench control system of sludge drying engineering Download PDFInfo
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- CN100575284C CN100575284C CN200710157176A CN200710157176A CN100575284C CN 100575284 C CN100575284 C CN 100575284C CN 200710157176 A CN200710157176 A CN 200710157176A CN 200710157176 A CN200710157176 A CN 200710157176A CN 100575284 C CN100575284 C CN 100575284C
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- sludge drying
- mud
- sludge
- granulating apparatus
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- 239000010802 sludge Substances 0.000 title claims abstract description 89
- 238000001035 drying Methods 0.000 title claims abstract description 70
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 239000004575 stone Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 20
- 239000003517 fume Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004332 deodorization Methods 0.000 abstract description 4
- 230000009965 odorless effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 239000010865 sewage Substances 0.000 description 9
- 244000005700 microbiome Species 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- SUVIGLJNEAMWEG-UHFFFAOYSA-N propane-1-thiol Chemical compound CCCS SUVIGLJNEAMWEG-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QSLPNSWXUQHVLP-UHFFFAOYSA-N $l^{1}-sulfanylmethane Chemical compound [S]C QSLPNSWXUQHVLP-UHFFFAOYSA-N 0.000 description 1
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HRKQOINLCJTGBK-UHFFFAOYSA-N dihydroxidosulfur Chemical class OSO HRKQOINLCJTGBK-UHFFFAOYSA-N 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002475 indoles Chemical class 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 nitrogenous compound Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 210000004994 reproductive system Anatomy 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of stench control system of sludge drying engineering.The energetic ion producer of this system is connected with mixing chamber with the mud stocking system respectively by ventilator trunk, mixing chamber is connected with granulating apparatus, moisture film fiber crops stone dedusting degasifying device, chimney with sludge drying, the mud stocking system is connected with the biological soil filter bed, and be connected with independent thermal source, thermoswitch, sludge drying and granulating apparatus, the sludge drying workshop is connected with the dewatered sludge stockyard with the mud stocking system respectively by closed conveying belt, and the dewatered sludge stockyard is connected with the biological soil filter bed by ventilator trunk with the sludge drying workshop.The present invention is integrated chemistry, physics and biologic deodorization method, and used ion deodorization new technology, foul smell clearance height not only, and has an emergency function, practice shows, adopt the emission standard of this technology foul smell discharging content well below country, the equal odorless smell in the surrounding enviroment of sludge drying engineering and production scene makes sludge drying realize cleaner production.
Description
Technical field
The present invention relates to a kind of stench control system of sludge drying engineering.
Background technology
City domestic sewage and trade effluent must be through handling; up to standard could the discharging; this is the important measures of modern environment protection, yet municipal effluent can produce the mud that is equivalent to sewage volume 0.3%～0.5% or sewage quality 1%～2% when being purified processing.According to pertinent data, will reach 440 * 10 respectively to the quantity discharged of 2010 and the year two thousand twenty China municipal effluent
8m
3/ day and 536 * 10
8m
3/ day, along with the fast development of national economy and increasing rapidly of urban population, the quantity of municipal effluent is constantly increasing, meanwhile people are also more and more higher to the requirement of environmental quality, trade effluent and domestic sewage treating rate also will improve constantly, and the amount of sludge that sewage work produces will grow with each passing day.
Sludge of sewage treatment plant is a kind of by organic relic, the bacterium thalline, the extremely complicated heterogeneous body that inorganic particle and colloid etc. are formed, because most pollutents are transferred in the mud in the sewage, it is high and quantity is big that this has a water ratio with regard to the mud that has determined sewage work to produce, and the characteristics of enrichment high density pollution thing, if this municipal sludge can not get appropriate processing, will bring secondary pollution, cause serious threat to ecotope, therefore, the safe disposal of municipal sludge is the difficult problem that the whole world faces jointly, carries out innoxious to mud, minimizing and recycling treatment become the common objective of thoroughly eliminating the municipal sludge secondary pollution both at home and abroad.
For many years, expert and technician are by the practice to various method for sludge treatment both at home and abroad, and the common recognition that draws is that sludge drying at first makes mud reach minimizing, is a necessary process and a crucial ring of finally realizing sewage sludge harmlessness and recycling treatment.Mud from sewage work's generation, pass through mechanical dehydration, water ratio is generally between 75%～85%, pass through drying process, if the water ratio of mud is dropped to below 40%, volume can reduce more than 2/3rds, we have invented the method for utilizing independent thermal source or utilizing smoke residual heat to dry sludge, and set up effective technology and developed the mechanical means that matches with technology, thereby sludge drying can be carried out continuously under lower running cost, can make mud obtain significant decrement, the original calorific value of mud more than 90% preserved, make mud become available resource.
Because contain a large amount of organic pollutants in the mud, under action of microorganisms, mud can produce a large amount of foul smell, the material of foul smell is formed can be divided into 4 classes, and the first kind is a sulfocompound, as hydrogen sulfide, thio-alcohol, thioether class with bite fen class etc.; Second class is a nitrogenous compound, as ammonia, amine, phthalein amine and indoles etc.; The 3rd class is a hydrocarbon compound, as alkane, alkene, alkynes and aromatic hydrocarbon etc.; The 4th class is an oxygen-bearing organic matter, and as alcohol, aldehyde, ketone, phenol and organic acid etc., wherein concentration ratio is higher has ammonia, hydrogen sulfide, thiomethyl alcohol, propylmercaptan, methyl sulphur etc. with the bigger foul smell of influence.In sludge drying engineering, it is the main source of releases of these foul smell that mud stores pretreatment stage, at sludge drying and graining change, and dewatered sludge cooling stages, although because the microorganism in the mud almost has been zero, do not possess the condition that produces new foul smell, still, at this moment original odorous substance can discharge in a large number in the mud.The diffusion meeting havoc quality of air environment of foul smell, directly influence HUMAN HEALTH and working efficiency, both made is that micro-repugnant substance enters environment, the capital does not feel well the people, occur headache, dizzy, feel sick, symptoms such as vomiting, poor appetite and distraction, work under the air ambient of odor pollution being subjected to for a long time, the sickness rate of various inflammation increases, and also influential to respiratory system, the recycle system, Digestive tract and reproductive system.In order thoroughly to eliminate the foul smell that discharges in the sludge drying engineering, the characteristics that we discharge at sludge drying engineering different steps foul smell, in conjunction with concrete process condition, set up the stench control system in the sludge drying engineering, thereby sludge drying can be carried out under the Working environment of cleaner production.
Summary of the invention
The stench control system that the purpose of this invention is to provide a kind of sludge drying engineering.
The stench control system of sludge drying engineering has the energetic ion producer, the energetic ion producer is connected with the mud hold-up vessel by first ventilator trunk, perhaps the energetic ion producer is connected with closed mud storage vault by second ventilator trunk, the energetic ion producer is connected with mixing chamber by the 3rd vent-pipe road, mixing chamber is connected with granulating apparatus with sludge drying by the 8th ventilator trunk, mixing chamber and moisture film fiber crops stone dedusting degasifying device, the 5th induced draft fan, chimney is connected, mud hold-up vessel or closed mud storage vault constitute the mud stocking system, the mud stocking system is connected with the biological soil filter bed by five-way airduct road through second induced draft fan, perhaps the mud stocking system is connected with independent thermal source by four-way airduct road through first induced draft fan, independent thermal source is connected with granulating apparatus with sludge drying by thermoswitch, fume afterheat is connected with granulating apparatus with sludge drying, sludge drying and granulating apparatus, the first closed conveying belt, the second closed conveying belt constitutes the sludge drying workshop, the sludge drying workshop second closed conveying belt is connected with the mud stocking system, sludge drying workshop the 4th induced draft fan is connected with the biological soil filter bed by the 7th ventilator trunk, sludge drying is connected with the dewatered sludge stockyard through the first closed conveying belt with granulating apparatus, and the dewatered sludge stockyard is connected with the biological soil filter bed by the 6th ventilator trunk through the 3rd induced draft fan.
In the mud hold-up vessel, be provided with first ultraviolet lamp, be provided with second ultraviolet lamp at closed mud storage vault,
The beneficial effect that the present invention has is: 1) in whole sludge drying engineering, be stored into sludge drying from mud, all carry out under sealing and condition of negative pressure until the dewatered sludge cooling, avoided the excessive of foul smell; 2) integrated chemistry, physics and biologic deodorization method have particularly used the new and high technology of ion deodorization, deodorizing effect is improved greatly, and have characteristics such as floor space is little, Installation and Debugging are simple, running cost is low; 3) this stench control system foul smell clearance height not only, and have emergency function, therefore, stop to produce even in mud drying process, mishap occurs, still do not influence the normal operation of deodoration system.The present invention drops into practice at a plurality of sludge drying engineerings, practice shows, adopt the emission standard of this technology foul smell discharging content well below country, the equal odorless smell in the surrounding enviroment of sludge drying engineering and production scene has been realized the cleaner production of sludge drying.
Description of drawings
Accompanying drawing is the stench control system structural representation of sludge drying engineering;
Among the figure: energetic ion producer 1, mud hold-up vessel 2, closed mud storage vault 3, independent thermal source 4, fume afterheat 5, sludge drying and granulating apparatus 6, dewatered sludge stockyard 7, biological soil filter bed 8, moisture film fiber crops stone dedusting degasifying device 9, chimney 10, first induced draft fan 11, second induced draft fan 12, the 3rd induced draft fan 13, the 4th induced draft fan 14, thermoswitch 15, mixing chamber 16, first ventilator trunk 17, second ventilator trunk 18, the 3rd vent-pipe road 19, four-way airduct road 20, five-way airduct road 21, the 6th ventilator trunk 22, the 7th ventilator trunk 23, the 8th ventilator trunk 24, the 5th induced draft fan 25, first ultraviolet lamp 26, second ultraviolet lamp 27, the first closed conveying belt 28, the second closed conveying belt 29, mud stocking system 30, sludge drying workshop 31.
Embodiment
As shown in drawings, the stench control system of sludge drying engineering, it is characterized in that having energetic ion producer 1, energetic ion producer 1 is connected with mud hold-up vessel 2 by first ventilator trunk 17, perhaps energetic ion producer 1 is connected with closed mud storage vault 3 by second ventilator trunk 18, energetic ion producer 1 is connected with mixing chamber 16 by the 3rd vent-pipe road 19, mixing chamber 16 is connected with granulating apparatus 6 with sludge drying by the 8th ventilator trunk 24, mixing chamber 16 and moisture film fiber crops stone dedusting degasifying device 9, the 5th induced draft fan 25, chimney 10 is connected, mud hold-up vessel 2 or closed mud storage vault 3 constitute mud stocking system 30, in mud hold-up vessel 2, be provided with first ultraviolet lamp 26, be provided with second ultraviolet lamp 27 at closed mud storage vault 3, mud stocking system 30 is connected with biological soil filter bed 8 by five-way airduct road 21 through second induced draft fan 12, perhaps mud stocking system 30 is connected with upright thermal source 4 by four-way airduct road 20 through first induced draft fan 11, independent thermal source 4 is connected with granulating apparatus 6 with sludge drying by thermoswitch 15, fume afterheat 5 is connected with granulating apparatus 6 with sludge drying, sludge drying and granulating apparatus 6, the first closed conveying belt 28, the second closed conveying belt 29 constitutes sludge drying workshop 31, sludge drying workshop 31 is connected with mud stocking system 30 through the second closed conveying belt 29, sludge drying workshop 31 is connected with biological soil filter bed 8 by the 7th ventilator trunk 23 through the 4th induced draft fan 14, sludge drying is connected with dewatered sludge stockyard 7 through the first closed conveying belt 28 with granulating apparatus 6, and dewatered sludge stockyard 7 is connected with biological soil filter bed 8 by the 6th ventilator trunk 22 through the 3rd induced draft fan 13.
The controlled concentration that energetic ion producer 1 produces just, the negative oxygen ion air, send into mud hold-up vessel 2 by first ventilator trunk 17, perhaps send into closed mud storage vault 3 by second ventilator trunk 18, the foul smell molecule that discharges in mud hold-up vessel 2 or the closed mud storage vault 3 with the interaction of ionic air under, final carbonic acid gas and the water of forming, the controlled concentration that energetic ion producer 1 produces just, the negative oxygen ion air is sent into mixing chamber 16 by the 3rd vent-pipe road 19, with mix from sludge drying and granulating apparatus 6 discharge tail gas by the 8th ventilator trunk 24, ionic air on the one hand with tail gas in the foul smell molecule react, thereby reduce the concentration of foul smell molecule, make the charged generation agglomeration effect of molecule in the tail gas on the other hand, thereby reduce the concentration of dust, from sludge drying and granulating apparatus 6 discharge tail gas after mixing chamber 16 and ionic air from energetic ion producer 1 interact, enter moisture film fiber crops stone dedusting degasifying device 9, after further dedusting and process soup wash-out remove foul smell, by the 5th induced draft fan 25, send into chimney 10 complete qualified discharges.
It is important integral part in the sludge drying engineering that mud stores, it also is the important stage that the mud foul smell produces and discharges, in sludge drying engineering, mud hold-up vessel or closed mud storage vault are adopted in the storage of mud usually, the mud stocking system 30 that described mud hold-up vessel 2 or closed mud storage vault 3 constitute in the sludge drying engineering, in mud hold-up vessel 2, be separately installed with first ultraviolet lamp 26, at closed mud storage vault 3 second ultraviolet lamp 27 is installed, ultraviolet lamp plays sterilization functions, the activity because of microorganism in storage process of containment mud continues to produce foul smell, mud stocking system 30 is connected with biological soil filter bed 8, second induced draft fan 12 will be from mud hold-up vessel 2 or closed mud storage vault 3 expellant gas, send into biological soil filter bed 8 by five-way airduct road 21, the remaining foul smell of discharging in the gas is eliminated by microorganism, temporarily quit work if energetic ion producer 1 hinders for some reason, biological soil filter bed 8 can purify whole foul smell that mud stocking system 30 is discharged in the gas.The energy of sludge drying can be from independent thermal source, also can utilize fume afterheat, the heat that independent thermal source 4 produces is by thermoswitch 15, enter sludge drying and granulating apparatus 6 dewatered sludges, fume afterheat 5 directly enters sludge drying and granulating apparatus 6 dewatered sludges, when the energy of sludge drying during from independent thermal source, mud stocking system 30 can be connected with independent thermal source 4, first induced draft fan 11 will be from mud hold-up vessel 2 or closed mud storage vault 3 expellant gas, send into independent thermal source 4 by four-way airduct road 20, the remaining foul smell of discharging in the gas is eliminated by high temperature, temporarily quit work if energetic ion producer 1 hinders for some reason, independent thermal source 4 can be eliminated whole foul smell that mud stocking system 30 is discharged in the gas.
The second closed conveying belt 29 will be sent into sludge drying and granulating apparatus 6 from the mud of the mud stocking system 30 with mud hold-up vessel 2 or closed mud storage vault 3, utilize 5 pairs of mud of independent thermal source 4 or fume afterheat to carry out mummification, has the foul smell that may exist in sludge drying workshop 31 air of sludge drying and granulating apparatus 6, first closed conveying belt 28, the second closed conveying belt 29, send into biological soil filter bed 8 by the 4th induced draft fan 14 by the 7th ventilator trunk 23, eliminate by microorganism.Dewatered sludge particle by sludge drying and granulating apparatus 6, send into dewatered sludge stockyard 7 by the first closed conveying belt 28, the small portion of residual foul smell that the dewatered sludge particle discharges in process of cooling, send into biological soil filter bed 8 by the 3rd induced draft fan 13 by the 6th ventilator trunk 22, eliminate by microorganism.
Claims (2)
1. the stench control system of a sludge drying engineering, it is characterized in that having energetic ion producer (1), energetic ion producer (1) is connected with mud hold-up vessel (2) by first ventilator trunk (17), perhaps be connected with closed mud storage vault (3) by second ventilator trunk (18), energetic ion producer (1) is connected with mixing chamber (16) by the 3rd vent-pipe road (19), mixing chamber (16) is connected with granulating apparatus (6) with sludge drying by the 8th ventilator trunk (24), and mixing chamber (16) also connects moisture film fiber crops stone dedusting degasifying device (9) successively, the 5th induced draft fan (25), chimney (10); Mud hold-up vessel (2) or closed mud storage vault (3) constitute mud stocking system (30), mud stocking system (30) is connected with biological soil filter bed (8) by five-way airduct road (21) through second induced draft fan (12), perhaps mud stocking system (30) is connected with independent thermal source (4) by four-way airduct road (20) through first induced draft fan (11), independent thermal source (4) is connected with granulating apparatus (6) with sludge drying by thermoswitch (15), fume afterheat (5) is connected with granulating apparatus (6) with sludge drying, sludge drying and granulating apparatus (6), the first closed conveying belt (28) and the second closed conveying belt (29) constitute sludge drying workshop (31), sludge drying is connected with mud stocking system (30) through the second closed conveying belt (29) with granulating apparatus (6), sludge drying workshop (31) is connected with biological soil filter bed (8) by the 7th ventilator trunk (23) through the 4th induced draft fan (14), sludge drying is connected with dewatered sludge stockyard (7) through the first closed conveying belt (28) with granulating apparatus (6), and dewatered sludge stockyard (7) is connected with biological soil filter bed (8) by the 6th ventilator trunk (22) through the 3rd induced draft fan (13).
2. the stench control system of a kind of sludge drying engineering according to claim 1 is characterized in that, is provided with first ultraviolet lamp (26) in the described mud hold-up vessel (2), is provided with second ultraviolet lamp (27) in the described closed mud storage vault (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710157176A CN100575284C (en) | 2007-11-27 | 2007-11-27 | The stench control system of sludge drying engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710157176A CN100575284C (en) | 2007-11-27 | 2007-11-27 | The stench control system of sludge drying engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101186420A CN101186420A (en) | 2008-05-28 |
| CN100575284C true CN100575284C (en) | 2009-12-30 |
Family
ID=39479083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710157176A Expired - Fee Related CN100575284C (en) | 2007-11-27 | 2007-11-27 | The stench control system of sludge drying engineering |
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| Country | Link |
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| CN (1) | CN100575284C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971606B (en) * | 2015-06-26 | 2017-07-28 | 广西利升石业有限公司 | Artificial hilllock stone exhaust treatment system |
| CN105967488A (en) * | 2016-06-21 | 2016-09-28 | 普利资环境科技（苏州）有限公司 | Sludge drying treatment system with deodorization function |
| CN108298791A (en) * | 2018-03-22 | 2018-07-20 | 天津五洲同创空调制冷设备有限公司 | A kind of novel multi-functional sludge heat pump desiccation machine |
| CN112851064A (en) * | 2021-03-04 | 2021-05-28 | 天津科技大学 | Method for reducing odor release of sludge dried finished product |
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2007
- 2007-11-27 CN CN200710157176A patent/CN100575284C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101186420A (en) | 2008-05-28 |
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