CN105502875B - Sludge UTILIZATION OF VESIDUAL HEAT IN drying device - Google Patents
Sludge UTILIZATION OF VESIDUAL HEAT IN drying device Download PDFInfo
- Publication number
- CN105502875B CN105502875B CN201510927359.8A CN201510927359A CN105502875B CN 105502875 B CN105502875 B CN 105502875B CN 201510927359 A CN201510927359 A CN 201510927359A CN 105502875 B CN105502875 B CN 105502875B
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- Prior art keywords
- heat
- heat exchanger
- sludge
- pipe
- combustion room
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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
-
- 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 kind of sludge UTILIZATION OF VESIDUAL HEAT IN drying device.The device includes the drying unit that the primary treatment device of dewater treatment is carried out to sludge slurry, connection is conveyed with primary treatment device, and the outward transport car and cracking gasification system with drying unit conveying connection respectively.Wherein, cracking gasification system is included in drying unit side and is provided with heat-accumulation combustion room with the butt sludge hopper of drying unit conveying connection, with the thermal cracking gasification reactor of butt sludge hopper conveying connection, with the cracking air burner of thermal cracking gasification reactor conveying connection, with cracking air burner conveying connection, and the heat-exchanger rig that is exchanged heat with drying unit is provided with heat-accumulation combustion room.The present invention has resource reutilization, and energy-conservation and the effect of environmental protection.
Description
Technical field
The invention belongs to a kind of sludge treatment device field, more particularly to a kind of sludge UTILIZATION OF VESIDUAL HEAT IN drying device.
Background technology
At present, the sludge UTILIZATION OF VESIDUAL HEAT IN drying device occurred on the market be mainly by sludge slurry carry out dewater treatment from
Scheming, the drying unit connected is conveyed with centrifuge and is formed with the outward transport car of drying unit conveying connection.By being dehydrated and drying
Sludge after dry-cure, filled after outward transport.Due to containing substantial amounts of fiber and biomass in sludge slurry, for example cloth bits, tangerine bar
Deng, directly landfill can cause the wasting of resources.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of resource reutilization, and more than energy-conservation and the sludge of environmental protection
Heat utilization drying device.
To achieve the above object, sludge UTILIZATION OF VESIDUAL HEAT IN drying device provided by the invention, including sludge slurry is dehydrated
The primary treatment device of processing, the drying unit with the conveying connection of primary treatment device, and convey connect with drying unit respectively
Outward transport car and cracking gasification system.Wherein, described cracking gasification system is included in drying unit side and is provided with and drying dress
Put the butt sludge hopper of conveying connection, thermal cracking gasification reactor and thermal cracking gas with the conveying connection of butt sludge hopper
Change the cracking air burner of reactor conveying connection, the heat-accumulation combustion room with cracking air burner conveying connection, and fired in accumulation of heat
Burn room and be provided with the heat-exchanger rig to be exchanged heat with drying unit.Drying unit includes oblique-roller, at oblique-roller both ends point
Not She You the conveying connection of one end and primary treatment device sludge storage bin and the blower fan that is communicated with oblique-roller of the other end, and
It is provided with and is hung in the turnover panel in oblique-roller in oblique-roller.Sludge storage bin includes the charging with the conveying connection of primary treatment device
Storehouse and the discharge nozzle communicated with oblique-roller.Heat-exchanger rig is included in discharge nozzle and is provided with the air receiving communicated with oblique-roller
Room, be provided between air accommodating chamber and blower fan interconnected outer circulating tube, be respectively equipped with outer circulating tube condenser and
The First Heat Exchanger connected with heat-accumulation combustion room and factory are provided with the internal new air intlet pipe connected, in heat-accumulation combustion room side
Existing waste heat in area, the second heat exchanger and the existing waste heat of on-site connected with First Heat Exchanger is provided with outer circulating tube, and
The 3rd heat exchanger connected with First Heat Exchanger is provided with new air intlet pipe.
In some embodiments, First Heat Exchanger is tubular heat exchanger.Tubular heat exchanger is included in heat-accumulation combustion
Room side is provided with the outer tube body communicated with heat-accumulation combustion room, and the heat exchanging pipe with ft connection is provided with outer tube body.
In some embodiments, the second heat exchanger and the 3rd heat exchanger are all changed using heat-pipe heat exchanger or shell and tube
Hot device.Second heat exchanger include connected with the heat exchanging pipe in First Heat Exchanger outer heat exchanger tube, in outer heat exchanger tube and outer circulation
The first casing that pipe is provided with, and the first closed heat pipe being provided with the first casing.3rd heat exchanger is included in outer heat exchanger tube
The second casing being provided with new air intlet pipe, and the second closed heat pipe being provided with the second casing.
In some embodiments, oblique-roller and sludge storage bin and blower fan, and outer circulating tube and new air intlet pipe
Between formed pipe in hot-air circulation, between heat exchanging pipe and outer heat exchanger tube formed pipe in thermal medium circulation.
In some embodiments, the delivery pipe of discharge humid air is provided with air accommodating chamber.
In some embodiments, the flue gas cleaner communicated with heat-accumulation combustion room is provided with heat-accumulation combustion room side,
Flue gas cleaner is connected with air-introduced machine.
In some embodiments, scum pipe is provided with thermal cracking gasification reactor, grey slag bucket is connected with scum pipe.
In some embodiments, it is provided with and is connected with cooling tower and water circulating pump and pipeline on condenser.
In some embodiments, the sludge moisture content after primary treatment is >=80-85%.
The beneficial effects of the invention are as follows with resource reutilization, and energy-conservation and the effect of environmental protection.Due to by primary treatment
After the centrifugal dehydration of device and drying unit and drying and processing, be transported in thermal cracking gasification reactor anaerobic in low temperature pyrolysis into
400 degree or so of fuel gas, air burner is cracked afterwards gas fuel burning is produced into 1000 degree or so of high-temperature flue gas and sent
Enter in heat-accumulation combustion room, finally exchanged heat using high-temperature flue gas and the thermal medium in First Heat Exchanger, added in First Heat Exchanger
Thermal medium after heat is sent to be exchanged heat with the second heat exchanger and the 3rd heat exchanger.Whole process not only takes full advantage of sludge slurry
In caloic raw material, being capable of recycling and after caused high-temperature flue gas is by heat exchange.Realize resource reutilization and energy-conservation
Effect.In addition, the flue gas discharged after high-temperature flue gas heat exchange, meets standard limit of smog release after the filtering of flue gas cleaner
Afterwards, it is discharged into the presence of air-introduced machine in air, also achieves the effect of environmental protection.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of tubular heat exchanger；
Fig. 3 is the structural representation of condenser；
Fig. 4 is the structural representation of heat-pipe heat exchanger.
Embodiment
Invention is described in further detail below in conjunction with the accompanying drawings.
As Figure 1-4, sludge UTILIZATION OF VESIDUAL HEAT IN drying device, including the primary treatment of dewater treatment is carried out to sludge slurry
(expression herein please retain device 01, be layed foundation to quote below.), with primary treatment device 01 conveying connection drying fill
Set to 02, and the outward transport car 03 and cracking gasification system 09 with the conveying connection of drying unit 02 respectively.
Sludge UTILIZATION OF VESIDUAL HEAT IN drying device, cracking gasification system 09 are included in the side of drying unit 02 and are provided with and drying unit
02 conveys the butt sludge hopper 04 of connection, thermal cracking gasification reactor 05 and heat with the conveying connection of butt sludge hopper 04
Crack the cracking air burner 06 of the conveying connection of gasification reactor 05, the heat-accumulation combustion room with the cracking conveying connection of air burner 06
07, and the heat-exchanger rig 08 to be exchanged heat with drying unit 02 is provided with heat-accumulation combustion room 07.Drying unit 02 includes tilting
Roller 21, the sludge storage bin 22 for being respectively equipped with the both ends of oblique-roller 21 one end and the conveying connection of primary treatment device 01 and another
The blower fan 23 that one end communicates with oblique-roller 21, and be provided with and hung in the turnover panel 24 in oblique-roller 21 in oblique-roller 21.It is dirty
Mud storage bin 22 includes and the feeding warehouse 221 of the conveying connection of primary treatment device 01 and the discharge nozzle communicated with oblique-roller 21
222.Heat-exchanger rig 08 is included in discharge nozzle 222 and accommodated provided with the air accommodating chamber 81 communicated with oblique-roller 21, in air
Interconnected outer circulating tube 82 is provided between room 81 and blower fan 23, be respectively equipped with outer circulating tube 82 condenser 103 and with
The new air intlet pipe 83 of inside connection, the First Heat Exchanger connected with heat-accumulation combustion room 07 is provided with the side of heat-accumulation combustion room 07
84th, the second heat exchanger 85 connected with First Heat Exchanger 84 and the existing waste heat of on-site is provided with outer circulating tube 82, and new
Air intlet pipe 83 is provided with the 3rd heat exchanger 86 connected with First Heat Exchanger 84 and the existing waste heat of on-site.First Heat Exchanger
84 be tubular heat exchanger.It is outer provided with what is communicated with heat-accumulation combustion room 07 that tubular heat exchanger is included in the side of heat-accumulation combustion room 07
Body 841, and provided with the heat exchanging pipe 842 with ft connection in outer tube body 841.Second heat exchanger 85 and the 3rd heat exchanger 86
All use heat-pipe heat exchanger or tubular heat exchanger.Second heat exchanger 85 includes and the heat exchanging pipe in First Heat Exchanger 84
The outer heat exchanger tube 851 of 842 connections, the first casing 852 being provided with outer heat exchanger tube 851 and outer circulating tube 82, and the first casing
The first closed heat pipe being provided with 852.3rd heat exchanger 86 is included in outer heat exchanger tube 851 and new air intlet pipe 83 is provided with
The second casing 861, and the second closed heat pipe being provided with the second casing 861.Oblique-roller 21 and sludge storage bin 22 and
Hot-air circulation in pipe is formed between blower fan 23, and outer circulating tube 82 and new air intlet pipe 83.Heat exchanging pipe 842 and outer heat exchange
Thermal medium circulation in pipe is formed between pipe 851.The delivery pipe 87 of discharge humid air is provided with air accommodating chamber 81.Fired in accumulation of heat
Burn the side of room 07 and be provided with the flue gas cleaner 88 communicated with heat-accumulation combustion room 07, flue gas cleaner 88 is connected with air-introduced machine 89.
Scum pipe 90 is provided with thermal cracking gasification reactor 05, grey slag bucket 91 is connected with scum pipe 90.Primary treatment device 01 can
For centrifuge.It is provided with condenser and cooling tower 100 and water circulating pump 101 is connected and pipeline.Dirt after primary treatment
Mud water content is >=80-85%.
Embodiment 1
The primary treatment device 01 of dewater treatment is carried out to sludge slurry, the water content for making sludge slurry is >=80-85%.It
Afterwards, the sludge after dehydration is transported to sludge storage bin 22, then is transported to oblique-roller 21, utilize dirt of the turnover panel 24 to bulk
Mud is crushed, then is transported to after the drying of blower fan 23 on the siccative storage bin and automobile of outward transport car 03.
In addition, the dirt that transports out can also be transported to butt sludge hopper 04 after the drying of blower fan 23, then will be dry
Sludge is transported to progress anaerobic in low temperature in thermal cracking gasification reactor 05 and is pyrolyzed the fuel gas into 400 degree or so (for sludge
If calorific value it is relatively low, some biomass materials can be added to the inside), be then transported to cracking air burner 06 in carry out burning production
Raw 1000 degree or so high-temperature flue gas is sent into heat-accumulation combustion room 07, and high-temperature flue gas enters in outer tube body 841 and arranged with heat exchange afterwards
Water in pipe 842 is exchanged heat, i.e., is thermal medium in heat exchanging pipe 842, is high-temperature flue gas outside；Finally discharged from outer tube body 841
The external world is discharged into by the effect of flue gas cleaner 88 and air-introduced machine 89, the gas of above-mentioned discharge is to meet atmospheric emission standard
's.
Wherein, the above-mentioned water to be exchanged heat by heat exchanging pipe 842 is discharged into outer 851 and first closed heat pipe of heat exchanger tube and the
Two closed heat pipes are exchanged heat, and change the air in outer circulating tube 82 and new air intlet pipe 83 into hot-air, Posterior circle
Flow into oblique-roller 21 and dries pulverizing is carried out to dirt, reach the purpose for recycling heat.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection domain of invention.
Claims (8)
1. sludge UTILIZATION OF VESIDUAL HEAT IN drying device, including the primary treatment device and primary treatment of dewater treatment are carried out to sludge slurry
The drying unit of device conveying connection, and the outward transport car and cracking gasification system with drying unit conveying connection respectively,
Characterized in that, described cracking gasification system is included in drying unit side provided with dry with drying unit conveying connection
Base sludge hopper, the thermal cracking gasification reactor connected with the conveying of butt sludge hopper and the conveying of thermal cracking gasification reactor connect
Connect cracking air burner, with cracking air burner conveying connection heat-accumulation combustion room, and on heat-accumulation combustion room be provided with and baking
The heat-exchanger rig that equipment for drying is exchanged heat；
Described drying unit is respectively equipped with one end including oblique-roller, at oblique-roller both ends and the conveying of primary treatment device connects
The blower fan that the sludge storage bin and the other end connect communicates with oblique-roller, and be provided with and hung in oblique-roller in oblique-roller
Turnover panel；
Described sludge storage bin includes and the feeding warehouse of primary treatment device conveying connection and the discharging communicated with oblique-roller
Pipe；
Described heat-exchanger rig be included in discharge nozzle be provided with communicated with oblique-roller air accommodating chamber, air accommodating chamber with
Interconnected outer circulating tube is provided between blower fan, condenser and the new air connected with inside are respectively equipped with outer circulating tube
Inlet tube, be provided with heat-accumulation combustion room side connect with heat-accumulation combustion room First Heat Exchanger, on outer circulating tube provided with the
The second heat exchanger that one heat exchanger connects with the existing waste heat of on-site, and on new air intlet pipe be provided with First Heat Exchanger and
3rd heat exchanger of the existing waste heat connection of on-site.
2. sludge UTILIZATION OF VESIDUAL HEAT IN drying device according to claim 1, it is characterised in that described First Heat Exchanger is row
Pipe heat exchanger；
Described tubular heat exchanger is included in heat-accumulation combustion room side and is provided with the outer tube body communicated with heat-accumulation combustion room, and outside
The heat exchanging pipe with ft connection is provided with body.
3. sludge UTILIZATION OF VESIDUAL HEAT IN drying device according to claim 2, it is characterised in that the second described heat exchanger and
Three heat exchangers all use heat-pipe heat exchanger or tubular heat exchanger；
The second described heat exchanger include connect with the heat exchanging pipe in First Heat Exchanger outer heat exchanger tube, outer heat exchanger tube and outside
The first casing that circulation pipe is provided with, and the first closed heat pipe being provided with the first casing；
The 3rd described heat exchanger is included in the second casing that outer heat exchanger tube and new air intlet pipe are provided with, and in the second casing
The second closed heat pipe being provided with.
4. sludge UTILIZATION OF VESIDUAL HEAT IN drying device according to claim 1, it is characterised in that set in described air accommodating chamber
It is equipped with the delivery pipe of discharge humid air.
5. sludge UTILIZATION OF VESIDUAL HEAT IN drying device according to claim 2, it is characterised in that described in heat-accumulation combustion room one
Side is provided with the flue gas cleaner communicated with heat-accumulation combustion room；Described flue gas cleaner is connected with air-introduced machine.
6. sludge UTILIZATION OF VESIDUAL HEAT IN drying device according to claim 1, it is characterised in that described thermal cracking gasification reaction
Scum pipe is provided with device；Grey slag bucket is connected with described scum pipe.
7. sludge UTILIZATION OF VESIDUAL HEAT IN drying device according to claim 1, it is characterised in that be provided with described condenser
The pipeline being connected with cooling tower and water circulating pump.
8. sludge UTILIZATION OF VESIDUAL HEAT IN drying device according to claim 1, it is characterised in that the sludge after primary treatment
Water content is >=80-85%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927359.8A CN105502875B (en) | 2015-12-14 | 2015-12-14 | Sludge UTILIZATION OF VESIDUAL HEAT IN drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927359.8A CN105502875B (en) | 2015-12-14 | 2015-12-14 | Sludge UTILIZATION OF VESIDUAL HEAT IN drying device |
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| Publication Number | Publication Date |
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| CN105502875A CN105502875A (en) | 2016-04-20 |
| CN105502875B true CN105502875B (en) | 2018-02-27 |
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Families Citing this family (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 |
| CN109609158B (en) * | 2019-02-12 | 2020-06-09 | 西北民族大学 | Process for biomass catalytic pyrolysis 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 |
| CN112856431A (en) * | 2021-03-15 | 2021-05-28 | 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201670796U (en) * | 2010-04-28 | 2010-12-15 | 轻工业环境保护研究所 | Sludge drying-incineration integrated treatment system |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI123843B (en) * | 2011-02-24 | 2013-11-15 | Foster Wheeler Energia Oy | circulating fluidized bed reactor |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201670796U (en) * | 2010-04-28 | 2010-12-15 | 轻工业环境保护研究所 | Sludge drying-incineration integrated treatment system |
| 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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| CN105502875A (en) | 2016-04-20 |
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