CN105502875A - Sludge waste heat utilization drying device - Google Patents
Sludge waste heat utilization drying device Download PDFInfo
- Publication number
- CN105502875A CN105502875A CN201510927359.8A CN201510927359A CN105502875A CN 105502875 A CN105502875 A CN 105502875A CN 201510927359 A CN201510927359 A CN 201510927359A CN 105502875 A CN105502875 A CN 105502875A
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- heat
- pipe
- tube
- oblique
- roller
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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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge waste heat utilization drying device. The device comprises a primary treatment device, a drying device, an outward transport vehicle and a splitting gasification system, wherein the primary treatment device is used for dehydrating sludge, the drying device is connected with the primary treatment device in a conveying mode, and the outward transport vehicle and the splitting gasification system are connected with the drying device in a conveying mode. The splitting gasification system comprises a dry sludge hopper, a thermal cracking gasification reactor, a pyrolysis gas combustor, a heat storage combustion chamber and a heat exchange device, wherein the dry sludge hopper is arranged on one side of the drying device and connected with the drying device in a conveying mode, the thermal cracking gasification reactor is connected with the dry sludge hopper in a conveying mode, the pyrolysis gas combustor is connected with the thermal cracking gasification reactor in a conveying mode, the heat storage combustion chamber is connected with the pyrolysis gas combustor in a conveying mode, and the heat exchange device is arranged on the heat storage combustion chamber and exchanges heat with the drying device. The sludge waste heat utilization drying device has the advantages of resource recycle, energy conservation and environmental protection.
Description
Technical field
The invention belongs to a kind of sludge treatment device field, particularly a kind of mud UTILIZATION OF VESIDUAL HEAT IN drying installation.
Background technology
At present, the mud UTILIZATION OF VESIDUAL HEAT IN drying installation occurred on the market is mainly carried by whizzer sludge slurry being carried out to processed and whizzer the drying unit that is connected and is carried the outward transport car be connected to form with drying unit.Mud after dehydration and drying and processing, carries out landfill after outward transport.Owing to containing a large amount of fibers and biomass in sludge slurry, such as cloth bits, tangerine bar etc., direct landfill can cause the wasting of resources.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of resource reutilization, and the mud UTILIZATION OF VESIDUAL HEAT IN drying installation of energy saving standard.
For achieving the above object, mud UTILIZATION OF VESIDUAL HEAT IN drying installation provided by the invention, the primary treatment device comprised sludge slurry carries out processed is carried with primary treatment device the drying unit be connected, and is carried the outward transport car and pyrolysis gasification system that are connected respectively with drying unit.Wherein, described pyrolysis gasification system be included in drying unit side be provided with to carry with drying unit be connected butt mud hopper, with butt mud hopper carry be connected thermal cracking gasification reactor, with thermal cracking gasification reactor carry be connected splitting gas burner, carry with splitting gas burner the heat-accumulation combustion room be connected, and on heat-accumulation combustion room, be provided with the heat-exchanger rig carrying out heat exchange with drying unit.Drying unit comprises oblique-roller, be respectively equipped with the blower fan that one end and primary treatment device carry the sludge storage feed bin that is connected and the other end to communicate with oblique-roller at oblique-roller two ends, and in oblique-roller, be provided with the turnover panel hung in oblique-roller.Sludge storage feed bin comprises carries the feeding warehouse be connected and the discharge nozzle communicated with oblique-roller with primary treatment device.Heat-exchanger rig be included in discharge nozzle be provided with communicate with oblique-roller Air containment room, Air containment room be provided with between blower fan be interconnected outer circulating tube, on outer circulating tube, be respectively equipped with condenser and be communicated with inside new air intlet pipe, be provided with in side, heat-accumulation combustion room the First Heat Exchanger that is communicated with heat-accumulation combustion room with the existing waste heat of on-site, on outer circulating tube, be provided with the second interchanger and the existing waste heat of on-site that are communicated with First Heat Exchanger, and on new air intlet pipe, be provided with the 3rd interchanger be communicated with First Heat Exchanger.
In some embodiments, First Heat Exchanger is shell and tube heat exchanger.Shell and tube heat exchanger is included in side, heat-accumulation combustion room and is provided with the outer tube body communicated with heat-accumulation combustion room, and in outer tube body, be provided with the heat exchanging pipe with ft connection.
In some embodiments, the second interchanger and the 3rd interchanger all adopt heat-pipe heat exchanger or shell and tube heat exchanger.Second interchanger comprises the first casing that the outer heat transfer tube, outside heat transfer tube and the outer circulating tube that are communicated with the heat exchanging pipe in First Heat Exchanger are provided with, and the first closed heat pipe be provided with in the first casing.3rd interchanger is included in the second casing that outer heat transfer tube and new air intlet pipe are provided with, and the second closed heat pipe be provided with in the second casing.
In some embodiments, oblique-roller and sludge storage feed bin and blower fan, and form hot air circulate in pipe between outer circulating tube and new air intlet pipe, is formed between heat exchanging pipe and outer heat transfer tube and manages interior thermal medium and circulate.
In some embodiments, Air containment room is provided with the delivery pipe of discharging wet air.
In some embodiments, be provided with the flue gas cleaner communicated with heat-accumulation combustion room in side, heat-accumulation combustion room, flue gas cleaner is connected with induced draft fan.
In some embodiments, thermal cracking gasification reactor is provided with scum pipe, scum pipe is connected with grey slag bucket.
In some embodiments, condenser is provided with is connected and pipeline with cooling tower and water circulating pump.
In some embodiments, the sludge moisture content after primary treatment is >=80-85%.
The invention has the beneficial effects as follows that there is resource reutilization, and the effect of energy saving standard.Due to after the centrifuge dehydration and drying and processing of primary treatment device and drying unit, be transported to anaerobic in low temperature pyrolysis in thermal cracking gasification reactor and become the inflammable gas of about 400 degree, gas fuel burning produces in the high-temperature flue gas feeding heat-accumulation combustion room of about 1000 degree by splitting gas burner afterwards, finally utilize the thermal medium in high-temperature flue gas and First Heat Exchanger to carry out heat exchange, the thermal medium in First Heat Exchanger after heating is sent to and is carried out heat exchange with the second interchanger and the 3rd interchanger.Whole process not only takes full advantage of the caloic raw material in sludge slurry, and the high-temperature flue gas produced is by after heat exchange, can recycling.Realize resource reutilization and energy-conservation effect.In addition, the flue gas of discharging after high-temperature flue gas heat exchange, after meeting standard limit of smog release, is discharged in air, also achieves the effect of environmental protection after the filtration of flue gas cleaner under the effect of induced draft fan.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of shell and tube heat exchanger;
Fig. 3 is the structural representation of condenser;
Fig. 4 is the structural representation of heat-pipe heat exchanger.
Embodiment
Below in conjunction with accompanying drawing, invention is described in further detail.
As Figure 1-4, mud UTILIZATION OF VESIDUAL HEAT IN drying installation, comprises and carries out the primary treatment device 01 of processed to sludge slurry (expression herein please retain, and lays foundation to quote below.), carry with primary treatment device 01 drying unit 02 be connected, and carry the outward transport car 03 and pyrolysis gasification system 09 that are connected respectively with drying unit 02.
Mud UTILIZATION OF VESIDUAL HEAT IN drying installation, pyrolysis gasification system 09 be included in drying unit 02 side be provided with to carry with drying unit 02 be connected butt mud hopper 04, with butt mud hopper 04 carry be connected thermal cracking gasification reactor 05, with thermal cracking gasification reactor 05 carry be connected splitting gas burner 06, carry with splitting gas burner 06 the heat-accumulation combustion room 07 be connected, and on heat-accumulation combustion room 07, be provided with the heat-exchanger rig 08 carrying out heat exchange with drying unit 02.Drying unit 02 comprises oblique-roller 21, be respectively equipped with the blower fan 23 that one end and primary treatment device 01 carry the sludge storage feed bin 22 that is connected and the other end to communicate with oblique-roller 21 at oblique-roller 21 two ends, and in oblique-roller 21, be provided with the turnover panel 24 hung in oblique-roller 21.Sludge storage feed bin 22 comprises carries the feeding warehouse 221 be connected and the discharge nozzle 222 communicated with oblique-roller 21 with primary treatment device 01.Heat-exchanger rig 08 is included in discharge nozzle 222 and is provided with the Air containment room 81 communicated with oblique-roller 21, the outer circulating tube 82 be interconnected is provided with between Air containment room 81 and blower fan 23, the new air intlet pipe 83 outer circulating tube 82 being respectively equipped with condenser 103 and being communicated with inside, the First Heat Exchanger 84 be communicated with heat-accumulation combustion room 07 is provided with in side, heat-accumulation combustion room 07, outer circulating tube 82 is provided with the second interchanger 85 be communicated with the existing waste heat of First Heat Exchanger 84 and on-site, and on new air intlet pipe 83, be provided with the 3rd interchanger 86 be communicated with the existing waste heat of First Heat Exchanger 84 and on-site.First Heat Exchanger 84 is shell and tube heat exchanger.Shell and tube heat exchanger is included in side, heat-accumulation combustion room 07 and is provided with the outer tube body 841 communicated with heat-accumulation combustion room 07, and in outer tube body 841, be provided with the heat exchanging pipe 842 with ft connection.Second interchanger 85 and the 3rd interchanger 86 all adopt heat-pipe heat exchanger or shell and tube heat exchanger.Second interchanger 85 comprises the first casing 852 that the outer heat transfer tube 851, outside heat transfer tube 851 and the outer circulating tube 82 that are communicated with the heat exchanging pipe 842 in First Heat Exchanger 84 are provided with, and the first closed heat pipe be provided with in the first casing 852.3rd interchanger 86 is included in the second casing 861 that outer heat transfer tube 851 and new air intlet pipe 83 are provided with, and the second closed heat pipe be provided with in the second casing 861.Oblique-roller 21 and sludge storage feed bin 22 and blower fan 23, and form hot air circulate in pipe between outer circulating tube 82 and new air intlet pipe 83.Form thermal medium in managing between heat exchanging pipe 842 and outer heat transfer tube 851 to circulate.Air containment room 81 is provided with the delivery pipe 87 of discharging wet air.Be provided with the flue gas cleaner 88 communicated with heat-accumulation combustion room 07 in side, heat-accumulation combustion room 07, flue gas cleaner 88 is connected with induced draft fan 89.Thermal cracking gasification reactor 05 is provided with scum pipe 90, scum pipe 90 is connected with grey slag bucket 91.Primary treatment device 01 can be whizzer.Condenser is provided with and is connected and pipeline with cooling tower 100 and water circulating pump 101.Sludge moisture content after primary treatment is >=80-85%.
Embodiment 1
Sludge slurry is carried out to the primary treatment device 01 of processed, make the water content of sludge slurry be >=80-85%.Afterwards, the mud after dehydration is transported to sludge storage feed bin 22, then is transported to oblique-roller 21, utilize the mud of turnover panel 24 to bulk to pulverize, then on the siccative storage bin being transported to outward transport car 03 after blower fan 23 is dried and automobile.
In addition, the dirt transported out after blower fan 23 is dried can also be transported to butt mud hopper 04, again dry mud is transported in thermal cracking gasification reactor 05 and carries out anaerobic in low temperature pyrolysis and become the inflammable gas of about 400 degree (if lower for the calorific value of mud, some biomass materials can be added to the inside), then being transported in splitting gas burner 06 high-temperature flue gas carrying out burning generation about 1000 degree sends in heat-accumulation combustion room 07, high-temperature flue gas enters in outer tube body 841 and carries out heat exchange with the water in heat exchanging pipe 842 afterwards, namely be thermal medium in heat exchanging pipe 842, it is outward high-temperature flue gas, the effect of finally discharging through flue gas cleaner 88 and induced draft fan 89 from outer tube body 841 is discharged into the external world, and the gas of above-mentioned discharge meets atmospheric emission standard.
Wherein, the above-mentioned water through heat exchanging pipe 842 heat exchange enters outer heat transfer tube 851 and the first closed heat pipe and the second closed heat pipe and carries out heat exchange, change the air in outer circulating tube 82 and new air intlet pipe 83 into warm air, circulation afterwards flows in oblique-roller 21 carries out oven dry pulverizing to dirt, reaches the object of recycle heat.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to the protection domain of invention.
Claims (9)
1. mud UTILIZATION OF VESIDUAL HEAT IN drying installation, the primary treatment device comprised sludge slurry carries out processed is carried with primary treatment device the drying unit be connected, and is carried the outward transport car and pyrolysis gasification system that are connected respectively with drying unit,
It is characterized in that, described pyrolysis gasification system be included in drying unit side be provided with to carry with drying unit be connected butt mud hopper, with butt mud hopper carry be connected thermal cracking gasification reactor, with thermal cracking gasification reactor carry be connected splitting gas burner, carry with splitting gas burner the heat-accumulation combustion room be connected, and on heat-accumulation combustion room, be provided with the heat-exchanger rig carrying out heat exchange with drying unit;
Described drying unit comprises oblique-roller, be respectively equipped with the blower fan that one end and primary treatment device carry the sludge storage feed bin that is connected and the other end to communicate with oblique-roller at oblique-roller two ends, and in oblique-roller, be provided with the turnover panel hung in oblique-roller;
Described sludge storage feed bin comprises carries the feeding warehouse be connected and the discharge nozzle communicated with oblique-roller with primary treatment device;
Described heat-exchanger rig be included in discharge nozzle be provided with communicate with oblique-roller Air containment room, Air containment room be provided with between blower fan be interconnected outer circulating tube, on outer circulating tube, be respectively equipped with condenser and be communicated with inside new air intlet pipe, to be provided with in side, heat-accumulation combustion room be communicated with heat-accumulation combustion room First Heat Exchanger, on outer circulating tube, be provided with the second interchanger be communicated with the existing waste heat of First Heat Exchanger and on-site, and on new air intlet pipe, be provided with the 3rd interchanger be communicated with the existing waste heat of First Heat Exchanger and on-site.
2. mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 1, it is characterized in that, described First Heat Exchanger is shell and tube heat exchanger;
Described shell and tube heat exchanger is included in side, heat-accumulation combustion room and is provided with the outer tube body communicated with heat-accumulation combustion room, and in outer tube body, be provided with the heat exchanging pipe with ft connection.
3. mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 2, is characterized in that, the second described interchanger and the 3rd interchanger all adopt heat-pipe heat exchanger or shell and tube heat exchanger;
The second described interchanger comprises the first casing that the outer heat transfer tube, outside heat transfer tube and the outer circulating tube that are communicated with the heat exchanging pipe in First Heat Exchanger are provided with, and the first closed heat pipe be provided with in the first casing;
The 3rd described interchanger is included in the second casing that outer heat transfer tube and new air intlet pipe are provided with, and the second closed heat pipe be provided with in the second casing.
4. the mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 1,2 or 3, is characterized in that, described oblique-roller and sludge storage feed bin and blower fan, and forms hot air circulate in pipe between outer circulating tube and new air intlet pipe; Form thermal medium in managing between described heat exchanging pipe and outer heat transfer tube to circulate.
5. mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 1, is characterized in that, described Air containment room is provided with the delivery pipe of discharging wet air.
6. mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 2, is characterized in that, described is provided with in side, heat-accumulation combustion room the flue gas cleaner communicated with heat-accumulation combustion room; Described flue gas cleaner is connected with induced draft fan.
7. mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 1, is characterized in that, described thermal cracking gasification reactor is provided with scum pipe; Described scum pipe is connected with grey slag bucket.
8. mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 1, is characterized in that, described condenser is provided with and is connected and pipeline with cooling tower and water circulating pump.
9. mud UTILIZATION OF VESIDUAL HEAT IN drying installation according to claim 1, is characterized in that, the sludge moisture content after primary treatment is >=80-85%.
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CN201510927359.8A CN105502875B (en) | 2015-12-14 | 2015-12-14 | Sludge UTILIZATION OF VESIDUAL HEAT IN drying device |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106045272A (en) * | 2016-07-20 | 2016-10-26 | 广州薪光合环保技术有限公司 | Vertical moving bed drying system and method |
CN106196107A (en) * | 2016-08-23 | 2016-12-07 | 朝阳重型机器制造有限公司 | Oil field sludge harmless processing system |
CN109609158A (en) * | 2019-02-12 | 2019-04-12 | 西北民族大学 | A kind of technique of catalytic pyrolysis of biomass reaction |
CN112094026A (en) * | 2020-09-16 | 2020-12-18 | 山东达源环保工程有限公司 | Composite sludge drying device and drying method |
CN112358155A (en) * | 2020-11-05 | 2021-02-12 | 北京一亚高科能源科技有限公司 | Sludge drying, gasifying and incinerating system and method thereof |
WO2022193537A1 (en) * | 2021-03-15 | 2022-09-22 | 佛山市华洁源热能与环境工程技术有限公司 | Closed negative-pressure solid waste oxygen control pyrolysis device |
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CN201670796U (en) * | 2010-04-28 | 2010-12-15 | 轻工业环境保护研究所 | Sludge drying-incineration integrated treatment system |
US20130284120A1 (en) * | 2011-02-24 | 2013-10-31 | Kari Kauppinen | Circulating Fluidized Bed Boiler Having Two External Heat Exchangers for Hot Solids Flow |
CN104560216A (en) * | 2015-01-30 | 2015-04-29 | 湖南大学 | Preparation system and preparation method for biomass molding fuel |
CN205241477U (en) * | 2015-12-14 | 2016-05-18 | 广州市劲业节能技术有限公司 | Mud waste heat utilization drying device |
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2015
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201670796U (en) * | 2010-04-28 | 2010-12-15 | 轻工业环境保护研究所 | Sludge drying-incineration integrated treatment system |
US20130284120A1 (en) * | 2011-02-24 | 2013-10-31 | Kari Kauppinen | Circulating Fluidized Bed Boiler Having Two External Heat Exchangers for Hot Solids Flow |
CN104560216A (en) * | 2015-01-30 | 2015-04-29 | 湖南大学 | Preparation system and preparation method for biomass molding fuel |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106045272A (en) * | 2016-07-20 | 2016-10-26 | 广州薪光合环保技术有限公司 | Vertical moving bed drying system and method |
CN106196107A (en) * | 2016-08-23 | 2016-12-07 | 朝阳重型机器制造有限公司 | Oil field sludge harmless processing system |
CN109609158A (en) * | 2019-02-12 | 2019-04-12 | 西北民族大学 | A kind of technique of catalytic pyrolysis of biomass reaction |
CN112094026A (en) * | 2020-09-16 | 2020-12-18 | 山东达源环保工程有限公司 | Composite sludge drying device and drying method |
CN112358155A (en) * | 2020-11-05 | 2021-02-12 | 北京一亚高科能源科技有限公司 | Sludge drying, gasifying and incinerating system and method thereof |
WO2022193537A1 (en) * | 2021-03-15 | 2022-09-22 | 佛山市华洁源热能与环境工程技术有限公司 | Closed negative-pressure solid waste oxygen control pyrolysis device |
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