CN1608757A - Comprehensive city garbage recovering and processing method - Google Patents
Comprehensive city garbage recovering and processing method Download PDFInfo
- Publication number
- CN1608757A CN1608757A CN 200410097612 CN200410097612A CN1608757A CN 1608757 A CN1608757 A CN 1608757A CN 200410097612 CN200410097612 CN 200410097612 CN 200410097612 A CN200410097612 A CN 200410097612A CN 1608757 A CN1608757 A CN 1608757A
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- Prior art keywords
- rubbish
- garbage
- processing method
- hard
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- 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.)
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 68
- 238000003672 processing method Methods 0.000 title claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000000197 pyrolysis Methods 0.000 claims abstract description 12
- 235000019738 Limestone Nutrition 0.000 claims abstract description 11
- 239000006028 limestone Substances 0.000 claims abstract description 11
- CVSVTCORWBXHQV-UHFFFAOYSA-N creatine Chemical compound NC(=[NH2+])N(C)CC([O-])=O CVSVTCORWBXHQV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003245 coal Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000003197 catalytic effect Effects 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 10
- 238000009834 vaporization Methods 0.000 claims description 10
- 230000008016 vaporization Effects 0.000 claims description 10
- 150000002240 furans Chemical class 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 5
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 5
- 239000002367 phosphate rock Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 5
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 235000021419 vinegar Nutrition 0.000 claims description 5
- 239000000052 vinegar Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007233 catalytic pyrolysis Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 238000004523 catalytic cracking Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004484 Briquette Substances 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Abstract
The comprehensive city garbage recovering and treating process includes feeding garbage with pressurizing hot blast blower into garbage sorter; sorting garbage magnetically and pneumatically into waste metal, soil, hard garbage and light garbage; cracking light garbage in gasifying pyrolysis oven while adding catalytic cracking agent and through reaction at 110-280 deg.c, with the reacted product being collected; and incinerating the mixture of residual pyrolysate, hard garbage, lime stone and coal. The present invention performs harmless treatment of garbage completely and has low cost and high utilization of garbage.
Description
Technical field
The present invention relates to environmental protection and technology of garbage disposal field, especially relate to a kind of comprehensive city garbage recovering and processing method.
Background technology
At present, international, domestic processing to municipal refuses such as house refuse, building waste, ight soil all is to adopt landfill, compost, fill out mode such as sea usually, these modes not only can take a large amount of land resources, device resource, cause outside the wasting of resources, also can carry out secondary pollution existent environment of people.
In recent years, people begin to adopt the burning mode to handle municipal refuse, but, because China's municipal refuse has characteristics such as composition is assorted, moisture is high, calorific value is low, its water content is generally all more than 50%, and mean calorie has only 1047～4187KJ/Kg, and (800～1000kcal/Kg), especially the water content in the southern area rubbish is bigger, generally all about 52.2%, this situation is not beneficial to burning.If carry out the increase that cracking process will directly cause burning cost by force.
Summary of the invention
The objective of the invention is to overcome the defective of above-mentioned prior art, the disposal of refuse of a kind of employing burning method is provided, can not increase the burning cost again, and can make that municipal refuse is slap-up to be obtained innoxious, validation and handle, various rubbish can fully obtain the comprehensive city garbage recovering and processing method of regeneration again.
Technical scheme of the present invention is as follows:
A kind of comprehensive city garbage recovering and processing method, its technical process is: at first will press air-heater to send into the rubbish preselector with band without any processing and the municipal refuse of selecting, after magnetic separation and selection by winnowing, be divided into waste metal, dust, hard rubbish and lightweight rubbish, then lightweight rubbish is sent into while stirring vaporization pyrolysis furnace internal-lining, drop into 5～20% catalytic pyrolyzing agent of lightweight rubbish weight, at 110～280 ℃, synthesis under normal pressure is 5～15 minutes under the stirring, collect reactant respectively, to remain again pyrolysate enter the vaporization pyrolysis oven peripheral high temperature incineration district, the hard rubbish and the lime stone that go out with above-mentioned selection by winnowing, coal burns together and gets final product, wherein the addition of lime stone is 6～18% of hard rubbish and a pyrolysate weight, and the addition of coal is a hard rubbish, 15～30% of pyrolysate and lime stone compound weight;
The used temperature of above-mentioned catalytic pyrolysis derives from the waste heat of high temperature incineration;
The weight proportion of above-mentioned catalytic pyrolyzing agent is:
Bioxin/furans 30-40%;
Cosan 0.5-2%;
Ground phosphate rock 0.5-2%;
Silica flour 5-15%;
Sodium metal 0.5-2%;
Sodium sulphate 2.5-7.5%;
Alkali 2-6%;
Vinegar 30-40%;
Above-mentioned high temperature incineration temperature is 1500～1800 ℃;
The weight proportion of above-mentioned catalytic pyrolyzing agent is:
Bioxin/furans 36%;
Cosan 1%;
Ground phosphate rock 1%;
Silica flour 10%;
Sodium metal 1%;
Sodium sulphate 5%;
Alkali 4%;
Vinegar 32%;
Ji after bioxin/furans removes, directly send into hot blast as rubbish and be admitted to the rubbish preselector, flue gas is externally discharging through spray dehumidifying, gas cleaning for kiln gas behind the above-mentioned high temperature incineration.
Technological merit of the present invention is:
1. the incinerating combustion value top priority that improves rubbish is to solve the moisture that exists in the rubbish, therefore, the present invention adopts rubbish vaporization pyrolysis system oil tech, promptly at 110～280 ℃, under the condition of normal pressure, utilize the catalytic pyrolyzing agent that adds with plastics, rubber, chemical fibre, nylon, polyvinyl chloride, objects such as poly-third ethene carry out chemical combination with steam and reduce, make it to be converted into liquid refuse oil, simultaneously, make other inflammable substances in the rubbish, surplus as the kitchen, paper, the health woodenware, shells etc. are realized the destructive distillation program, improved incinerating combustion value,, also established a preheating basis simultaneously for incineration firing for the burning of rubbish provides condition.
2. owing to contain various organic compounds in the moisture content in the rubbish, as acid, ammonium, chlorine, salt, Escherichia coli, various suspension Ji bioxin, stench or the like, the present invention just in time uses the harmful components of these water resources as " catalytic pyrolyzing agent " in the rubbish vaporization pyrolysis oil preparation, thereby the harmful water branch in the rubbish can be made full use of, contaminated environment once more not makes that rubbish is slap-up to have obtained innoxious effective processing.
Since the main formation temperature scope of bioxin/furans at 200～650 ℃, will decompose and be higher than under 800 ℃ of conditions major part at incineration temperature, the present invention enters the high temperature incineration district again with above-mentioned material after destructive distillation under 110～280 ℃ of conditions, make it abundant burning, thereby reduce environmental pollution greatly.
4. processing method of the present invention, small investment, utilization rate height to rubbish, its byproduct can reach tens kinds more than, diesel oil, pitch, building block of hypochlorite, organic fertilizer (dust), gypsum, carbon black, potash, plant ash (fertilizer), coal briquette bond, aerosol, cement auxiliary material, chlorine water, liquefaction vapour (trace), gasoline, various labels etc. are arranged, so the present invention can make fully the various materials in the rubbish all be utilized effectively.
The specific embodiment
To press air-heater to send into the rubbish preselector with band without any processing and the municipal refuse of selecting, through after magnetic separation and the selection by winnowing rubbish being divided into four parts: waste metal, dust, by building waste, glass, the lightweight rubbish that the hard rubbish of compositions such as battery and residue contain moisture, wherein above-mentioned waste metal is recyclable to be utilized again, dust can add compound and become organic fertilizer or mix coal and burn and to make building block, hard rubbish then mixes lime stone and pulverizes the back and drop into the high-temperature region of vaporization pyrolysis oven and burn, lightweight rubbish processing then be core engineering of the present invention.
Adopt spiral hoist engine to cooperate chain-linked conveyer to send in the rubbish vaporization pyrolysis oven flue in above-mentioned lightweight rubbish, according to the disposable interpolation catalytic pyrolyzing agent of the ratio of inventory 5～20%, keep 110～280 ℃ of the interior temperature of flue, no press strip spare is reaction 5～10 minutes (this process needs constantly to stir) down, collect byproduct according to different condition: liquefied gas, gasoline, hypochlorite, diesel oil, carbon black, chlorine water, pitch etc., be the high temperature incineration district (1200～1800 ℃) that pyrolysate is drained into the vaporization pyrolysis oven then with surplus materials, with hard rubbish, lime stone, coal burns together and gets final product, wherein dust is through the dehumidifying of spray woods, the plant ash that is obtained after the gas cleaning can be used as fertilizer, and slag can be made building block with 1～3% gypsum proportioning behind Raymond mill; The used origin of heat of above-mentioned catalytic pyrolysis is in the elevated temperature heat in high temperature incineration district.
The addition of above-mentioned lime stone drops into according to 6～18% of pyrolysate and hard rubbish, and the addition of coal adds according to 15～30% of above-mentioned pyrolysate, hard rubbish and lime stone compound.
The concrete prescription of the catalytic pyrolyzing agent that the present invention is used is:
Bioxin/furans 36%;
Cosan 1%;
Ground phosphate rock 1%;
Silica flour 10%;
Sodium metal 1%;
Sodium sulphate 5%;
Alkali 4%;
Vinegar 32%.
In entire city garbage disposal process, produce De bioxin/furans can be directly as the raw material regeneration of catalytic pyrolyzing agent, kiln gas then can be admitted to the rubbish preselector through directly sending into hot blast as rubbish after the dehumidifying of spray woods, the gas cleaning, preliminary election and warm when being used for the garbage disposal use, realize the utilization again of the energy, thereby avoid flue gas to enter atmosphere, also can save simultaneously in the burning facility input chimney stack.
The above superheated steam of 500 degree that above-mentioned burning produces can be collected in the gas bag on vaporization pyrolysis oven top, is used for generating, heating etc.
Claims (4)
1, a kind of comprehensive city garbage recovering and processing method, its technical process is: at first will press air-heater to send into the rubbish preselector with band without any processing and the municipal refuse of selecting, after magnetic separation and selection by winnowing, be divided into waste metal, dust, hard rubbish and lightweight rubbish, then lightweight rubbish is sent into while stirring vaporization pyrolysis furnace internal-lining, drop into 5～20% catalytic pyrolyzing agent of lightweight rubbish weight, at 110～280 ℃, synthesis under normal pressure is 5～15 minutes under the stirring, collect reactant respectively, to remain again pyrolysate enter the vaporization pyrolysis oven peripheral high temperature incineration district, the hard rubbish and the lime stone that go out with above-mentioned selection by winnowing, coal burns together and gets final product, wherein the addition of lime stone is 6～18% of hard rubbish and a pyrolysate weight, and the addition of coal is a hard rubbish, 15～30% of pyrolysate and lime stone compound weight;
The used temperature of above-mentioned catalytic pyrolysis derives from the waste heat of high temperature incineration;
The weight proportion of above-mentioned catalytic pyrolyzing agent is:
Bioxin/furans 30-40%;
Cosan 0.5-2%;
Ground phosphate rock 0.5-2%;
Silica flour 5-15%;
Sodium metal 0.5-2%;
Sodium sulphate 2.5-7.5%;
Alkali 2-6%;
Vinegar 30-40%.
2, according to the described comprehensive city garbage recovering and processing method of claim 1, it is characterized in that: above-mentioned high temperature incineration temperature is 1500～1800 ℃.
3,, it is characterized in that the weight proportion of above-mentioned catalytic pyrolyzing agent is according to the described comprehensive city garbage recovering and processing method of claim 1:
Bioxin/furans 36%;
Cosan 1%;
Ground phosphate rock 1%;
Silica flour 10%;
Sodium metal 1%;
Sodium sulphate 5%;
Alkali 4%;
Vinegar 32%.
4, according to the described comprehensive city garbage recovering and processing method of claim 1, it is characterized in that: kiln gas behind the above-mentioned high temperature incineration through spray dehumidifying, gas cleaning Ji after bioxin/furans removes, directly send into hot blast as rubbish and be admitted to the rubbish preselector, flue gas is externally discharging not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410097612 CN1275708C (en) | 2004-11-24 | 2004-11-24 | Comprehensive city garbage recovering and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410097612 CN1275708C (en) | 2004-11-24 | 2004-11-24 | Comprehensive city garbage recovering and processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1608757A true CN1608757A (en) | 2005-04-27 |
| CN1275708C CN1275708C (en) | 2006-09-20 |
Family
ID=34766617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410097612 Expired - Fee Related CN1275708C (en) | 2004-11-24 | 2004-11-24 | Comprehensive city garbage recovering and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1275708C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145343A (en) * | 2011-03-25 | 2011-08-10 | 章大明 | Integrated garbage treatment and utilization method for effectively controlling dioxin |
| CN102363151A (en) * | 2011-06-28 | 2012-02-29 | 日照市福泰环保科技有限公司 | Low-temperature dry distillation and high-temperature quick thermal decomposition treatment process method for municipal domestic garbage |
| CN107008732A (en) * | 2017-05-09 | 2017-08-04 | 绿色动力环保集团股份有限公司 | A kind of garbage pool with refuse classification function |
-
2004
- 2004-11-24 CN CN 200410097612 patent/CN1275708C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145343A (en) * | 2011-03-25 | 2011-08-10 | 章大明 | Integrated garbage treatment and utilization method for effectively controlling dioxin |
| CN102145343B (en) * | 2011-03-25 | 2013-04-03 | 章大明 | Integrated garbage treatment and utilization method for effectively controlling dioxin |
| CN102363151A (en) * | 2011-06-28 | 2012-02-29 | 日照市福泰环保科技有限公司 | Low-temperature dry distillation and high-temperature quick thermal decomposition treatment process method for municipal domestic garbage |
| CN102363151B (en) * | 2011-06-28 | 2013-12-25 | 日照市福泰环保科技有限公司 | Low-temperature dry distillation and high-temperature quick thermal decomposition treatment process method for municipal domestic garbage |
| CN107008732A (en) * | 2017-05-09 | 2017-08-04 | 绿色动力环保集团股份有限公司 | A kind of garbage pool with refuse classification function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1275708C (en) | 2006-09-20 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190222 Address after: 518040 East Block 3 378, 206 Tairan Science Park, Tairan 7 Road, Shatou Street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huayong Environmental Engineering Co.,Ltd. Address before: 753400 Xiamiao Machinery Repair Plant at Junction of Nuanquan Village, Chonggang Town, Pingluo County, Shizuishan, Ningxia Hui Autonomous Region Patentee before: Qi Wanren |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060920 |