CN207243700U - A kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis - Google Patents
A kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis Download PDFInfo
- Publication number
- CN207243700U CN207243700U CN201721095604.4U CN201721095604U CN207243700U CN 207243700 U CN207243700 U CN 207243700U CN 201721095604 U CN201721095604 U CN 201721095604U CN 207243700 U CN207243700 U CN 207243700U
- Authority
- CN
- China
- Prior art keywords
- level
- sludge
- pyrohydrolysis
- anaerobic digestion
- reaction tank
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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 utility model provides a kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis, including level-one pyrolyzing sludge reaction kettle, two level mud pyrolytic reaction tank, plate and frame filter press, high efficiency anaerobic reactor, methane boiler, sludge bin, cooling pond, press filtration liquid pool, the level-one pyrolyzing sludge reaction kettle is connected with the two level mud pyrolytic reaction tank, the cooling pond is connected with the two level mud pyrolytic reaction tank, the plate and frame filter press input terminal is connected with the two level mud pyrolytic reaction tank, the plate and frame filter press output terminal is connected with the press filtration liquid pool, the high efficiency anaerobic reactor both ends are connected with the press filtration liquid pool and the methane boiler respectively, the level-one pyrolyzing sludge reaction kettle is connected with the methane boiler.The beneficial effects of the utility model are：The efficient of the utility model, investment are small, stable, realize the recycling using energy source of sludge.
Description
Technical field
It the utility model is related to municipal sludge processing disposal technology field, more particularly to a kind of sludge two level pyrohydrolysis is advanced
Anaerobic digestion device.
Background technology
Present China cities and towns produce substantial amounts of municipal sludge daily, and the processing disposal of sludge is now into each city
Very big pressing issues, very big pressure is caused to The Surroundings in Cities and sustainable development, realizes the minimizing, harmless of sludge
Change, stabilize, recycling must change traditional device to solve this urgent problems.China's sludge sand content is big, sand
Silt up and cause that traditional sludge pyrohydrolysis anaerobic digestion project operation is unstable, and project treatment effeciency is very low, investment is big.
Utility model content
The utility model provides a kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis, including level-one pyrolyzing sludge is anti-
Answer kettle, two level mud pyrolytic reaction tank, plate and frame filter press, high efficiency anaerobic reactor, methane boiler, sludge bin, cooling pond, pressure
Reservoir, the level-one pyrolyzing sludge reaction kettle are connected with the two level mud pyrolytic reaction tank, the cooling pond with it is described
Two level mud pyrolytic reaction tank connects, and the plate and frame filter press input terminal is connected with the two level mud pyrolytic reaction tank, described
Plate and frame filter press output terminal is connected with the press filtration liquid pool, the high efficiency anaerobic reactor both ends respectively with the press filtration liquid pool and
The methane boiler connection, the level-one pyrolyzing sludge reaction kettle are connected with the methane boiler.
As further improvement of the utility model, which further includes sludge
Delivery pump, the sludge delivery pump are connected to the sludge bin and are connected with the level-one pyrolyzing sludge reaction kettle, and the sludge is defeated
Pump is sent to be used to the sludge in the sludge bin being delivered in the level-one pyrolyzing sludge reaction kettle.
As further improvement of the utility model, which further includes cooling
Water-circulating pump, the cooling water circulating pump is connected between the cooling pond and the two level mud pyrolytic reaction tank, described
Cooling water circulating pump is used to the cooling water in the cooling pond being delivered in the two level mud pyrolytic reaction tank.
As further improvement of the utility model, which further includes dirty slurry
Delivery pump, the dirty slurry delivery pump are connected between the two level mud pyrolytic reaction tank and the plate and frame filter press, the dirt
Slurry delivery pump is used to the dirty slurry in the two level mud pyrolytic reaction tank being delivered in the plate and frame filter press.
As further improvement of the utility model, the high efficiency anaerobic reactor is internal-circulation anaerobic reactor or detests
Oxygen granular sludge expansion bed.
As further improvement of the utility model, the plate and frame filter press is membrane pressure filter.
It is equipped with as further improvement of the utility model, in the level-one pyrolyzing sludge reaction kettle and sludge is stirred
Blender.
As further improvement of the utility model, the two level mud pyrolytic reaction tank outer surface is provided with cooling folder
Set.
The beneficial effects of the utility model are：The efficient of the utility model, investment are small, stable, realize sludge
Recycling using energy source.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Embodiment
As shown in Figure 1, the utility model discloses a kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis, including level-one
Pyrolyzing sludge reaction kettle 1, two level mud pyrolytic reaction tank 2, plate and frame filter press 3, high efficiency anaerobic reactor 4, methane boiler 5, dirt
Hopper dredger 6, cooling pond 8, press filtration liquid pool 11, the level-one pyrolyzing sludge reaction kettle 1 connect with the two level mud pyrolytic reaction tank 2
Logical, the cooling pond 8 is connected with the two level mud pyrolytic reaction tank 2,3 input terminal of plate and frame filter press and the two level
Mud pyrolytic reaction tank 2 connects, and 3 output terminal of plate and frame filter press is connected with the press filtration liquid pool 11, and the efficient anaerobic is anti-
4 both ends of device are answered to be connected respectively with the press filtration liquid pool 11 and the methane boiler 5, the level-one pyrolyzing sludge reaction kettle 1 and institute
Methane boiler 5 is stated to connect.
The advanced anaerobic digestion device of sludge two level pyrohydrolysis further includes sludge delivery pump 7, and the sludge delivery pump 7 connects
Connected in the sludge bin 6 with the level-one pyrolyzing sludge reaction kettle 1, the sludge delivery pump 7 is used in the sludge bin 6
Sludge be delivered in the level-one pyrolyzing sludge reaction kettle 1.
The advanced anaerobic digestion device of sludge two level pyrohydrolysis further includes cooling water circulating pump 9, the cooling water circulating pump 9
It is connected between the cooling pond 8 and the two level mud pyrolytic reaction tank 2, the cooling water circulating pump 9 is used for by described in
Cooling water in cooling pond 8 is delivered in the two level mud pyrolytic reaction tank 2.
The advanced anaerobic digestion device of sludge two level pyrohydrolysis further includes dirty slurry delivery pump 10, and the dirty slurry delivery pump 10 connects
It is connected between the two level mud pyrolytic reaction tank 2 and the plate and frame filter press 3, the dirty slurry delivery pump 10 is used for described two
Dirty slurry in level mud pyrolytic reaction tank 2 is delivered in the plate and frame filter press 3.
The high efficiency anaerobic reactor 4 is internal-circulation anaerobic reactor or expanded granular sludge bed reactor.
The plate and frame filter press 3 is membrane pressure filter.
The blender being stirred to sludge is equipped with the level-one pyrolyzing sludge reaction kettle 1.
2 outer surface of two level mud pyrolytic reaction tank is provided with cooling jacket.
Delivery pump 12 is also equipped between press filtration liquid pool 11 and high efficiency anaerobic reactor 4.
The invention also discloses a kind of advanced anaerobic digestion handling method of sludge two level pyrohydrolysis, including following step
Suddenly：
The first step：Sludge injects steam-stirring in level-one pyrolyzing sludge reaction kettle 1, and sludge becomes pyrolysis mud, row
Enter to two level mud pyrolytic reaction tank 2；
Second step：Quick lime medicament, work of the pyrolysis mud in calcium hydroxide are previously added in two level mud pyrolytic reaction tank 2
Under, the organic matter of not facile hydrolysis is further pyrolyzed；
3rd step：Pyrolysis mud is cooled down 70 DEG C and carries out separation of solid and liquid with plate and frame filter press 3, acquisition moisture content is 30%-
35% mud cake and pressing filtering liquid；
4th step：Pressing filtering liquid is digested through third generation highly effective anaerobic reaction, obtains biogas and granule sludge strain；
5th step：Biogas through methane boiler 5 burn produce steam reuse to sludge pyrohydrolysis in the first step, sludge with
Steam rates add 150 to 200 kilogram of steam for sludge per ton.
As the preferred embodiment of the utility model, 1.1Mpa saturated vapors are injected into level-one pyrolyzing sludge reaction kettle 1,
185 DEG C of temperature；
In the second step, quick lime amount is the 1.25% of aqueous 80% raw sewage.
In the third step, pyrolysis mud, using cooling jacket, is cooled down 70 DEG C, entered by ON cycle cooling water
Separation of solid and liquid, solid phase are carried out to plate and frame filter press 3:Moisture content of the cake is 25%, liquid phase:Pressing filtering liquid CODcr be about 70000mg/L,
Biochemical:The pressing filtering liquid of B/C >=0.5.
In the four steps, pressing filtering liquid is pumped into high efficiency anaerobic reactor 4, and organic matter is through anaerobic grain in pressing filtering liquid
Sludge degradation, is converted into biogas and a small amount of particle sludge, CODcr removal rate >=80%, BOD5 removal rate >=90% in pressing filtering liquid, pressure
The filtrate residence time is 2 days.
The utility model has following technical advantage：
1. efficient, the utility model sludge more efficient, traditional compared to traditional sludge pyrohydrolysis anaerobic digestion
In 20 days anaerobic digestion digestion time cycles of pyrohydrolysis, the sludge pyrohydrolysis anaerobic digestion digestion time of the utility model is 3 days, processing effect
Rate improves 6-7 times.
2. investment is small, the anaerobic digestion residence time of the utility model is short, and anaerobic reactor becomes, and overall investment is reduced about
40%。
Arrange pyrolysis mud separation of solid and liquid 3. stable, after the completion of the pyrohydrolysis of the utility model, sand etc. in sludge
Inorganic matter realizes the anaerobic digestion that separation does not enter next stage, it is therefore prevented that the operation such as anaerobic reactor interior conduit obstruction is difficult.
4. the technique of the utility model does not have to steam discharge release, condensation foul smell is not produced, is solved high in sludge handling process
The hard nut to crack that concentration foul smell produces.
5. the utility model realizes the recycling using energy source of sludge.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (8)
- A kind of 1. advanced anaerobic digestion device of sludge two level pyrohydrolysis, it is characterised in that：Including level-one pyrolyzing sludge reaction kettle （1）, two level mud pyrolytic reaction tank（2）, plate and frame filter press（3）, high efficiency anaerobic reactor（4）, methane boiler（5）, sludge bin （6）, cooling pond（8）, press filtration liquid pool（11）, the level-one pyrolyzing sludge reaction kettle（1）With the two level mud pyrolytic reaction Tank（2）Connection, the cooling pond（8）With the two level mud pyrolytic reaction tank（2）Connection, the plate and frame filter press（3）It is defeated Enter end and the two level mud pyrolytic reaction tank（2）Connection, the plate and frame filter press（3）Output terminal and the press filtration liquid pool（11） Connection, the high efficiency anaerobic reactor（4）Both ends respectively with the press filtration liquid pool（11）With the methane boiler（5）Connection, institute State level-one pyrolyzing sludge reaction kettle（1）With the methane boiler（5）Connection.
- 2. the advanced anaerobic digestion device of sludge two level pyrohydrolysis according to claim 1, it is characterised in that：The sludge two level The advanced anaerobic digestion device of pyrohydrolysis further includes sludge delivery pump（7）, the sludge delivery pump（7）It is connected to the sludge bin （6）With the level-one pyrolyzing sludge reaction kettle（1）Connection, the sludge delivery pump（7）For by the sludge bin（6）Interior dirt Mud is delivered to the level-one pyrolyzing sludge reaction kettle（1）It is interior.
- 3. the advanced anaerobic digestion device of sludge two level pyrohydrolysis according to claim 1, it is characterised in that：The sludge two level The advanced anaerobic digestion device of pyrohydrolysis further includes cooling water circulating pump（9）, the cooling water circulating pump（9）It is connected to the cooling Pond（8）With the two level mud pyrolytic reaction tank（2）Between, the cooling water circulating pump（9）For by the cooling pond （8）Interior cooling water is delivered to the two level mud pyrolytic reaction tank（2）It is interior.
- 4. the advanced anaerobic digestion device of sludge two level pyrohydrolysis according to claim 1, it is characterised in that：The sludge two level The advanced anaerobic digestion device of pyrohydrolysis further includes dirty slurry delivery pump（10）, the dirty slurry delivery pump（10）It is connected to the two level mud Starch pyrolytic reaction tank（2）With the plate and frame filter press（3）Between, the dirty slurry delivery pump（10）For the two level mud is warm Solve retort（2）Interior dirty slurry is delivered to the plate and frame filter press（3）It is interior.
- 5. the advanced anaerobic digestion device of sludge two level pyrohydrolysis according to claim 1, it is characterised in that：It is described efficiently to detest Oxygen reactor（4）For internal-circulation anaerobic reactor or expanded granular sludge bed reactor.
- 6. the advanced anaerobic digestion device of sludge two level pyrohydrolysis according to claim 1, it is characterised in that：The sheet frame pressure Filter（3）For membrane pressure filter.
- 7. the advanced anaerobic digestion device of sludge two level pyrohydrolysis according to claim 1, it is characterised in that：The level-one is dirty Mud pyrolytic reaction kettle（1）It is interior equipped with the blender being stirred to sludge.
- 8. the advanced anaerobic digestion device of sludge two level pyrohydrolysis according to claim 1, it is characterised in that：The two level mud Starch pyrolytic reaction tank（2）Outer surface is provided with cooling jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721095604.4U CN207243700U (en) | 2017-08-29 | 2017-08-29 | A kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721095604.4U CN207243700U (en) | 2017-08-29 | 2017-08-29 | A kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207243700U true CN207243700U (en) | 2018-04-17 |
Family
ID=61884761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721095604.4U Active CN207243700U (en) | 2017-08-29 | 2017-08-29 | A kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207243700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153578A (en) * | 2020-02-10 | 2020-05-15 | 江苏辉能环境科技有限公司 | Advanced anaerobic digestion method and device based on sludge secondary pyrohydrolysis |
-
2017
- 2017-08-29 CN CN201721095604.4U patent/CN207243700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153578A (en) * | 2020-02-10 | 2020-05-15 | 江苏辉能环境科技有限公司 | Advanced anaerobic digestion method and device based on sludge secondary pyrohydrolysis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102234170B (en) | Method and device for rapidly reducing moisture content of sludge | |
| CN105396862A (en) | Energy regeneration method for solid organic waste alkaline thermal hydrolysis supernate | |
| CN110105095A (en) | A kind of innoxious and recycling processing method of kitchen garbage | |
| CN108658638A (en) | A kind of device with anaerobic fermentation and medium temperature oxidization combination operation production organic fertilizer | |
| CN111282962B (en) | Method for co-processing organic solid waste and kitchen waste | |
| CN104818036A (en) | Method for using self-produced sludge carbon to perform sewage treatment and sludge carbonizing system | |
| CN107760589A (en) | A kind of device and method of dry and wet anaerobic fermentation production biogas | |
| CN102134141A (en) | Method for treating garbage leachate | |
| CN105602844A (en) | Kitchen waste medium-high-temperature combined anaerobic digestion equipment and anaerobic digestion method | |
| CN104083918A (en) | Screw squeezing dewaterer | |
| CN207243700U (en) | A kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis | |
| US7718064B2 (en) | Integrated clean biomass to energy system | |
| CN110724547A (en) | Method for drying and pyrolyzing sludge and medicine residues cooperatively | |
| CN109337727A (en) | Derived from sludge fuel process and product based on carbon skeleton auxiliary pyrohydrolysis | |
| CN113354242A (en) | Sludge treatment system and treatment method | |
| CN104556618B (en) | FFDS sludge treatment technology | |
| CN105565598B (en) | A kind of integrated treatment and the Application way of cassava grain stillage waste water and industrial sludge | |
| CN110877953A (en) | Reaction system for sludge resource utilization | |
| CN100337948C (en) | Comprehensive treatment method and system for sludge from city sewage processing | |
| CN104096394A (en) | Screw pressing dewaterer for sludge dewatering | |
| CN205115246U (en) | Organic waste energy processing system | |
| CN103893941B (en) | Utilize alkaline residue treatment of wastes with processes of wastes against one another neutralizing hydrolysis to process the method for organic silicon slurry slag | |
| CN104843850A (en) | Method for treating industrial organic sewage | |
| CN211946744U (en) | Reaction system for sludge resource utilization | |
| CN111153578A (en) | Advanced anaerobic digestion method and device based on sludge secondary pyrohydrolysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |