CN104556619A - Energy-saving environment-friendly manure drying system - Google Patents
Energy-saving environment-friendly manure drying system Download PDFInfo
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- CN104556619A CN104556619A CN201410723423.6A CN201410723423A CN104556619A CN 104556619 A CN104556619 A CN 104556619A CN 201410723423 A CN201410723423 A CN 201410723423A CN 104556619 A CN104556619 A CN 104556619A
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- Prior art keywords
- ight soil
- drying machine
- energy
- machine
- screw rod
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
The invention discloses an energy-saving environment-friendly manure drying system which comprises a manure feeding device, a manure drying machine, a condenser, a three-way valve, a heat exchanger, a pyrolysis device and a tail gas purification device. The manure drying system recovers the low-grade energy wet hot steam generated in the manure drying process to lower the consumption of the high-grade energy, thereby enhancing the utilization efficiency of energy and conforming to the requirements for energy saving and environment friendliness. A circulating air circulating channel is formed inside the screw preheating machine, so that the manure can be sufficiently heated by hot air in the channel, thereby obviously enhancing the drying efficiency. By using flue gas waste heat of the pyrolysis gasification furnace for drying the manure, acidic matters in the flue gas and alkaline matters in the manure can perform neutralization reaction, thereby effectively removing sulfur dioxide and other harmful gases in the flue gas and the alkaline matters in the manure. Since all the heat required by manure drying is from flue gas waste heat of the pyrolysis gasification furnace, no coal, fuel, natural gas or any other disposable energy is consumed, and thus, the system has obvious energy-saving effect.
Description
Technical field
The present invention relates to a kind of ight soil dehumidification system of energy-conserving and environment-protective, belong to field of environment protection.
Background technology
Along with population rapid growth and and the fast development of livestock industry, the generation of human and animal excreta is also increasing.Human and animal excreta contains multiple pathogenic former, and serious threat environmental health and residents ' health, become the urgent problem that current China faces.
The dejecta treatment method generally adopted at present is drying and dehydrating.Ight soil drying means is varied, but no matter uses which kind of method drying ight soil, and in ight soil drying process, the wet air temperature of discharge vaporization is higher, and contained available energy is many.But the moisture contained because of wet air is more, convection drying ight soil can not be used for, and temperature does not reach the standard of dry ight soil of being directly used for yet, so do not consider to recycle this part damp-heat air in much research or patent.Under green energy resource theory instructs, recycle the low-grade energy in the wet-hot steam of dry ight soil generation, reduce high-grade energy consumption, improve efficiency of energy utilization, ight soil drying process generation wet-hot steam can not only be reduced and be dispersed into the secondary pollution formed in air, the consumption that indirectly can also reduce other energy in energy production process and the harm that environment is brought.
The dry industrial equipments of existing ight soil, in ight soil drying process, the wet air temperature of discharge vaporization is higher, and the energy of contained recoverable is more.But the moisture contained because of wet air is more, it is poor to be directly used for the effect of dry ight soil, and temperature does not reach the standard of dry ight soil of being directly used for yet, so this part heat energy that can reuse is not recycled utilization.
Summary of the invention
For prior art Problems existing, the invention provides a kind of ight soil drying installation of waste heat circulation, comprise ight soil feeding unit, ight soil drying machine, condenser, T-valve, heat exchanger, pyrolysis installation and exhaust gas cleaner;
Ight soil drying machine carries bar, motor, blower fan and housing to form by screw rod preheating machine, ight soil, screw rod preheating machine is positioned at housing internal upper part, some ight soil conveying bars are uniformly distributed in housing and pass into screw rod preheating machine, housing inner bottom part is provided with blower fan, blasted in ight soil drying machine by the high-temperature gas entered in ight soil drying machine by blower fan, top shell is provided with hot-air inlets; Screw rod preheating machine is connected motor with ight soil conveying bar, and bottom shell is provided with dry faeces outlet and air outlet, and air outlet is connected with exhaust gas cleaner;
Screw rod preheating machine side is provided with blast pipe, hot-air inlets is connected with blast pipe, screw rod preheating machine opposite side is provided with air outlet tube, screw rod preheating machine is built with endoseptum, induction trunk and outlet passageway is formed between endoseptum and screw rod preheating machine body inwall, induction trunk is connected with blast pipe, outlet passageway is connected with air outlet tube, air outlet tube is connected with the air outlet of ight soil drying machine, the endoseptum being positioned at induction trunk is provided with through hole, the endoseptum being positioned at outlet passageway is provided with through hole, the endoseptum being positioned at induction trunk is equipped with adjustable damper, in order to adjustments of gas flow velocity,
The air outlet of ight soil drying machine housing bottom connects condenser by pipeline, condenser is by the 1st T-valve pipeline connecting tee valve, high temperature and high pressure gas in condenser is divided into two tunnels by T-valve, the 2nd T-valve pipeline of leading up to connects the hot-air inlets of ight soil drying machine, a part of high temperature and high pressure gas is made to be back to use ight soil drying machine, another road is connected heat exchanger by the 3rd T-valve pipeline with the first heat exchanger pipeline successively, rest part high temperature and high pressure gas is made to enter heat exchanger, the dry high-temperature gas produced in heat exchanging process enters ight soil drying machine by pipeline,
The dry faeces outlet of ight soil drying machine enters pyrolysis installation by transfer roller, pyrolysis installation comprises pyrolytic gasification stove and separator, pyrolytic gasification stove is connected with separator, the combustible gas of pyrolytic gasification stove is connected with incinerator through pipeline and recirculation blower by combustible gas escape pipe, and the flue gas of pyrolytic gasification stove is connected with the hot-air inlets of ight soil drying machine by flue gas escape pipe;
Ight soil feeding unit comprises the casing of band opening for feed and discharge port, 4 rotating shaft levels are installed on bottom half, blade screw formula is fixed in rotating shaft, every root rotating shaft is equipped with speed reduction unit, drive-motor and controls the frequency transformer of this drive-motor, and discharge port carries bar to be connected with the ight soil of ight soil drying machine enclosure interior;
Exhaust gas cleaner comprises devulcanizer, Dioxins treater, induced draft fan and chimney, devulcanizer, induced draft fan and chimney are all connected successively by pipeline, Dioxins treater two ends are connected with dust-removing desulfurizing device and induced draft fan respectively by pipeline, and fly-ash separator two ends are connected with dust-removing desulfurizing device and Dioxins treater respectively by pipeline.
Ight soil drying machine housing be also provided with non-condensable gases relief outlet and condensed water discharge outlet.
The through hole of the endoseptum of screw rod preheating machine is provided with filter screen.
The present invention has following advantage compared with prior art:
(1) ight soil drying installation of the present invention, recycles this part low-grade energy of wet-hot steam produced in ight soil drying process, reduces the consumption of high-grade energy, improves efficiency of energy utilization, meets the requirement of green, energy-saving and environmental protection.Utilize the high temperature and high pressure gas of T-valve condenser in future to shunt, the hollow tube dewing ight soil that a part enters bar preheating machine carries out preheating, and a part enters heat exchanger and new dry air carries out heat exchange, produces the dry gas that temperature is higher.By recycling steam waste heat, mummification ight soil waste heat, can not only significantly reduce the secondary pollution produced in ight soil drying process, and greatly can reduce the consumption of high-grade energy in ight soil drying process, therefore it has broad application prospects.
(2) screw rod preheating machine inside forms recirculated air circulation passage, and ight soil fully can be heated by warm air in the channel, and drying efficiency significantly improves.
(3) fume afterheat of pyrolytic gasification stove is utilized to carry out dry ight soil, make the acidic substance in flue gas and the alkaline matter generation neutralization reaction in ight soil, effectively can remove the alkaline matter in the obnoxious flavoures such as the sulfurous gas in flue gas and ight soil, reach the object of the treatment of wastes with processes of wastes against one another; Because the heat needed for ight soil drying is all from the fume afterheat of pyrolytic gasification stove, so do not consume the disposable energy such as coal, fuel oil, Sweet natural gas, energy-saving effect is remarkable.
(4) introduce exhaust gas purification system in system, the objectionable impurities such as sulfurous gas, particulate matter, dioxin produced is removed, realize full-range innoxious in scope pyrolysis and drying.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the ight soil drying installation of waste heat circulation;
Fig. 2 is the schematic diagram of ight soil drying machine and screw rod preheating machine;
Fig. 3 is the schematic diagram of exhaust gas cleaner;
The conveying of ight soil feeding unit 2, ight soil drying machine 1, condenser 3, T-valve 4, heat exchanger 5, pyrolysis installation 6, screw rod preheating machine 11, ight soil bar 12, blower fan 14, housing 15, dry faeces outlet 16, air outlet 17, hot-air inlets 19, blast pipe 111, air outlet tube 112, endoseptum 113, induction trunk 114, outlet passageway 115, adjustable damper 116, devulcanizer 70, fly-ash separator 71, Dioxins treater 72, induced draft fan 73, chimney 74;
Embodiment
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with example but content of the present invention is not only confined to the following examples.
Embodiment 1:
The ight soil drying installation of waste heat circulation comprises ight soil feeding unit 2, ight soil drying machine 1, condenser 3, T-valve 4, heat exchanger 5, pyrolysis installation 6, exhaust gas cleaner 7;
Ight soil drying machine 1 carries bar 12, motor 13, blower fan 14 and housing 15 to form by screw rod preheating machine 11, ight soil, screw rod preheating machine 11 is positioned at housing 15 internal upper part, some ight soil conveying bars 12 are uniformly distributed in housing and pass into screw rod preheating machine 11, housing inner bottom part is provided with blower fan 13, by blower fan 14, the high-temperature gas entered in ight soil drying machine is blasted in ight soil drying machine 1, top shell is provided with hot-air inlets 19, bottom shell is provided with dry faeces outlet 16 and air outlet 17, and air outlet 17 is connected with exhaust gas cleaner 7; Screw rod preheating machine 11 is connected motor 13 with ight soil conveying bar 12;
Screw rod preheating machine 11 side is provided with blast pipe 111, hot-air inlets 19 is connected with blast pipe 111, screw rod preheating machine 11 opposite side is provided with air outlet tube 112, screw rod preheating machine 11 is built with endoseptum 113, induction trunk 114 and outlet passageway 115 is formed between endoseptum 113 and screw rod preheating machine body inwall, induction trunk 114 is connected with blast pipe 111, outlet passageway 115 is connected with air outlet tube 112, air outlet tube 112 is connected with the air outlet 17 of ight soil drying machine 1, the endoseptum being positioned at induction trunk is provided with through hole, the endoseptum being positioned at outlet passageway is provided with through hole, the endoseptum being positioned at induction trunk 114 is equipped with adjustable damper 116, in order to adjustments of gas flow velocity,
The air outlet 17 of ight soil drying machine bottom shell connects condenser 3 by pipeline, condenser 3 is by the 1st T-valve pipeline connecting tee valve 4, high temperature and high pressure gas in condenser 3 is divided into two tunnels by T-valve, the 2nd T-valve pipeline of leading up to connects the hot-air inlets 19 of ight soil drying machine, a part of high temperature and high pressure gas is made to be back to use ight soil drying machine, another road is connected heat exchanger 5 by the 3rd T-valve pipeline with the first heat exchanger pipeline successively, rest part high temperature and high pressure gas is made to enter heat exchanger 5, the dry high-temperature gas produced in heat exchanging process enters ight soil drying machine 1 by pipeline,
The dry faeces outlet 16 of ight soil drying machine 1 enters pyrolysis installation 6 by transfer roller, pyrolysis installation 6 comprises pyrolytic gasification stove 61 and separator 62, pyrolytic gasification stove 61 is connected 62 with separator, the combustible gas of pyrolytic gasification stove 61 is connected with incinerator 64 through pipeline and recirculation blower 63 by combustible gas escape pipe, and the flue gas of pyrolytic gasification stove 61 is connected with the hot-air inlets 19 of ight soil drying machine 1 by flue gas escape pipe;
Ight soil feeding unit 2 comprises the casing 21 of band opening for feed and discharge port, 4 rotating shaft 22 levels are installed on bottom casing 21, blade 23 is spiral to be fixed in rotating shaft, every root rotating shaft is equipped with speed reduction unit, drive-motor and controls the frequency transformer of this drive-motor, and discharge port carries bar to be connected with the ight soil of ight soil drying machine enclosure interior;
Exhaust gas cleaner 7 comprises the devulcanizer 70, fly-ash separator 71, Dioxins treater 72, induced draft fan 73 and the chimney 74 that are connected successively by pipeline.
Embodiment 2:
Be with the difference of embodiment 1, ight soil drying machine housing 15 be also provided with non-condensable gases relief outlet 110 and condensed water discharge outlet 18.
Embodiment 3:
Be with the difference of embodiment 1 and 2, the through hole of the endoseptum 113 of screw rod preheating machine 11 is provided with filter screen.
Claims (3)
1. an ight soil dehumidification system for energy-conserving and environment-protective, comprises ight soil feeding unit, ight soil drying machine, condenser, T-valve, heat exchanger and pyrolysis installation and exhaust gas cleaner etc., it is characterized in that:
Ight soil drying machine carries bar, motor, blower fan and housing to form by screw rod preheating machine, ight soil, screw rod preheating machine is positioned at housing internal upper part, some ight soil conveying bars are uniformly distributed in housing and pass into screw rod preheating machine, housing inner bottom part is provided with blower fan, blasted in ight soil drying machine by the high-temperature gas entered in ight soil drying machine by blower fan, top shell is provided with hot-air inlets; Screw rod preheating machine is connected motor with ight soil conveying bar, and bottom shell is provided with dry faeces outlet and air outlet, and air outlet is connected with exhaust gas cleaner;
Screw rod preheating machine side is provided with blast pipe, hot-air inlets is connected with blast pipe, screw rod preheating machine opposite side is provided with air outlet tube, screw rod preheating machine is built with endoseptum, induction trunk and outlet passageway is formed between endoseptum and screw rod preheating machine body inwall, induction trunk is connected with blast pipe, outlet passageway is connected with air outlet tube, air outlet tube is connected with the air outlet of ight soil drying machine, the endoseptum being positioned at induction trunk is provided with through hole, the endoseptum being positioned at outlet passageway is provided with through hole, the endoseptum being positioned at induction trunk is equipped with adjustable damper, in order to adjustments of gas flow velocity, the air outlet of ight soil drying machine housing bottom connects condenser by pipeline, condenser is by the 1st T-valve pipeline connecting tee valve, high temperature and high pressure gas in condenser is divided into two tunnels by T-valve, the 2nd T-valve pipeline of leading up to connects the hot-air inlets of ight soil drying machine, a part of high temperature and high pressure gas is made to be back to use ight soil drying machine, another road is connected heat exchanger by the 3rd T-valve pipeline with the first heat exchanger pipeline successively, rest part high temperature and high pressure gas is made to enter heat exchanger, the dry high-temperature gas produced in heat exchanging process enters ight soil drying machine by pipeline,
The dry faeces outlet of ight soil drying machine enters pyrolysis installation by transfer roller, pyrolysis installation comprises pyrolytic gasification stove and separator, pyrolytic gasification stove is connected with separator, the combustible gas of pyrolytic gasification stove is connected with incinerator through pipeline and recirculation blower by combustible gas escape pipe, and the flue gas of pyrolytic gasification stove is connected with the hot-air inlets of ight soil drying machine by flue gas escape pipe;
Ight soil feeding unit comprises the casing of band opening for feed and discharge port, 4 rotating shaft levels are installed on bottom half, blade screw formula is fixed in rotating shaft, every root rotating shaft is equipped with speed reduction unit, drive-motor and controls the frequency transformer of this drive-motor, and discharge port carries bar to be connected with the ight soil of ight soil drying machine enclosure interior;
Exhaust gas cleaner comprises the devulcanizer, fly-ash separator, Dioxins treater, induced draft fan and the chimney 74 that are connected successively by pipeline.
2. the ight soil dehumidification system of energy-conserving and environment-protective as claimed in claim 1, is characterized in that: ight soil drying machine housing is also provided with non-condensable gases relief outlet and condensed water discharge outlet.
3. the ight soil dehumidification system of energy-conserving and environment-protective as claimed in claim 1, is characterized in that: the through hole of the endoseptum of screw rod preheating machine is provided with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723423.6A CN104556619B (en) | 2014-12-03 | 2014-12-03 | A kind of ight soil dehumidification system of energy-conserving and environment-protective |
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| CN201410723423.6A CN104556619B (en) | 2014-12-03 | 2014-12-03 | A kind of ight soil dehumidification system of energy-conserving and environment-protective |
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| CN104556619A true CN104556619A (en) | 2015-04-29 |
| CN104556619B CN104556619B (en) | 2016-04-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084685A (en) * | 2015-08-11 | 2015-11-25 | 广西大学 | Degradation and harmless treatment method for residual antibiotics in livestock excrement |
| CN105571303A (en) * | 2016-01-27 | 2016-05-11 | 北京神雾环境能源科技集团股份有限公司 | System and method for treating low-rank coals |
| CN109133573A (en) * | 2017-06-19 | 2019-01-04 | 乔丙年 | Sludge drying heating device |
| CN114108758A (en) * | 2020-12-16 | 2022-03-01 | 浙江金字机械电器股份有限公司 | Method for treating excrement and movable clean-discharge non-sewer toilet |
| CN114906594A (en) * | 2022-05-20 | 2022-08-16 | 广州市翔顺畜牧设备有限公司 | Energy-concerving and environment-protective intelligent excrement and urine conveying equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105084685A (en) * | 2015-08-11 | 2015-11-25 | 广西大学 | Degradation and harmless treatment method for residual antibiotics in livestock excrement |
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|---|---|
| CN104556619B (en) | 2016-04-06 |
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Inventor after: Bian Xinxia Inventor after: Ji Bingbing Inventor before: Xu Feng |
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Effective date of registration: 20170609 Address after: 062450 Cangzhou City, Hebei Province Hejian City Hing Village village 434 villagers are high Co-patentee after: Ji Bingbing Patentee after: Bian Xinxia Address before: 312432 Zhejiang city of Shaoxing province Shengzhou City Lake Yan Street West Backstreet 66 Jinshan scenic garden room 908 Patentee before: SHENGZHOU PILOTAGE INFORMATION TECHNOLOGY CO., LTD. |
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Effective date of registration: 20180321 Address after: Haimen Changle Town Jiangsu city of Nantong Province on the 226100 Road No. 207 Patentee after: Haimen moon color Textile Technology Co., Ltd. Address before: 062450 Cangzhou City, Hebei Province Hejian City Hing Village village 434 villagers are high Co-patentee before: Ji Bingbing Patentee before: Bian Xinxia |
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