CN107089781A - Continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment - Google Patents
Continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment Download PDFInfo
- Publication number
- CN107089781A CN107089781A CN201710392692.2A CN201710392692A CN107089781A CN 107089781 A CN107089781 A CN 107089781A CN 201710392692 A CN201710392692 A CN 201710392692A CN 107089781 A CN107089781 A CN 107089781A
- Authority
- CN
- China
- Prior art keywords
- tubular reactor
- sludge
- heating tube
- pyrohydrolysis
- continous way
- 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.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 71
- 238000000197 pyrolysis Methods 0.000 claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 4
- 239000002918 waste heat Substances 0.000 claims description 8
- 239000005416 organic matter Substances 0.000 claims description 3
- 230000002411 adverse Effects 0.000 claims description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- KEUKAQNPUBYCIC-UHFFFAOYSA-N ethaneperoxoic acid;hydrogen peroxide Chemical compound OO.CC(=O)OO KEUKAQNPUBYCIC-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a kind of continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment, the continous way sludge pyrohydrolysis tubular reactor includes tubular reactor, heating jacket, heating tube, steam jet, the tubular reactor is provided with sludge suction flange, pyrolysis slurry outlet, the heating jacket is wrapped in the tubular reactor outer surface, the heating tube is located in the tubular reactor, and the steam jet is stretched into inside the tubular reactor.The beneficial effects of the invention are as follows：Compare with traditional sludge pyrohydrolysis, the present invention has from Treatment of Sludge investment, operating cost decline and treatment effeciency significantly to be lifted, and the present invention is worthy of popularization.
Description
Technical field
The present invention relates to cities and towns and the technical field of sludge treatment of factory and enterprise, more particularly to continous way sludge pyrohydrolysis pipe
Formula reactor and method for sludge treatment.
Background technology
China is with urbanization and the development of industrial and mining enterprises and the continuous improvement of living standards of the people, and cities and towns and enterprise are daily
Substantial amounts of sewage is produced, substantial amounts of sludge is produced therewith, sludge causes very big pressure to the environment in cities and towns and sustainable development
Power, realize sludge minimizing, it is innoxious, stabilize, recycling must change tradition fall behind processing method, as Sludge landfill
And sludge composting, traditional treating method processing is thorough, can form new secondary pollution, sludge treatment field is needed using new
Technique and new technology solve this urgent problems.
The content of the invention
The invention provides a kind of continous way sludge pyrohydrolysis tubular reactor, including tubular reactor, heating jacket plus
Heat pipe, steam jet, the tubular reactor are wrapped in provided with sludge suction flange, pyrolysis slurry outlet, the heating jacket
The tubular reactor outer surface, the heating tube is located in the tubular reactor, and the steam jet stretches into the tubular type
Inside reactor.
As a further improvement on the present invention, the heating tube is wing formula heating tube.
As a further improvement on the present invention, the heating jacket is provided with heating jacket thermal medium entrance and heating jacket heat
Media outlet.
As a further improvement on the present invention, the wing formula heating tube adds provided with wing formula heating tube thermal medium entrance and wing formula
Heat pipe thermal medium outlet, the wing formula heating tube thermal medium entrance and the wing formula heating tube thermal medium outlet are anti-from the tubular type
Answer in device and stretch out.
As a further improvement on the present invention, the tubular reactor draw ratio is 1：6 or 1：10.
As a further improvement on the present invention, described steam jet one end is located inside the tubular reactor, described to steam
The vapour jet pipe other end is located at outside the tubular reactor, and described steam jet one end is provided with steam reducing nozzle.
As a further improvement on the present invention, the steam jet quantity is a plurality of, and the steam reducing nozzle adverse current is set
Put.
As a further improvement on the present invention, the wing formula heating tube quantity is a plurality of, the wing in the wing formula heating tube
Piece is vertical structure.
As a further improvement on the present invention, the tubular reactor is provided with tubular reactor shrouding, entrance thermocouple, gone out
Mouth thermocouple, pressure transmitter and safety valve.
Present invention also offers a kind of Treatment of Sludge side carried out using the continous way sludge pyrohydrolysis tubular reactor
Method, comprises the following steps：
The first step：Sludge enters in tubular reactor from mud inlet, heated chuck and wing formula heating tube indirectly heat, simultaneously
Heating is sprayed by the steam injected from steam jet, in tubular reactor, sludge is seethed under steam impringement, and steam
Heat and mass is constantly completed, sludge is pyrolyzed, and the organic matter macromolecular in sludge is hydrolyzed into small molecule；
Second step：After pyrolyzing sludge, sludge becomes mud, from the heat in pyrolysis mud mouthful discharge, pyrolysis mud by sludge
Pyrohydrolysis tubing heat exchanger is exchanged heat, and pyrolysis mud waste heat is sufficiently recycled by cold sludge.
The beneficial effects of the invention are as follows：Compare with traditional sludge pyrohydrolysis, the present invention is invested from Treatment of Sludge, operating cost
Have in decline and treatment effeciency and significantly lifted, the present invention is worthy of popularization.
Brief description of the drawings
Fig. 1 is the continous way sludge pyrohydrolysis tubular reactor structural representation of the present invention.
Fig. 2 is the sludge pyrohydrolysis tubing heat exchanger structural representation of the present invention.
Embodiment
As shown in figure 1, the invention discloses a kind of continous way sludge pyrohydrolysis tubular reactor, including tubular reactor 2,
Heating jacket 3, heating tube, steam jet 5, the tubular reactor 2 is provided with sludge suction flange 1, pyrolysis slurry outlet 6, institute
State heating jacket 3 and be wrapped in the outer surface of tubular reactor 2, the heating tube is located in the tubular reactor 2, described to steam
Vapour jet pipe 5 is stretched into inside the tubular reactor 2.
The heating tube is wing formula heating tube 4, and the heating jacket 3 is pressed from both sides provided with heating jacket thermal medium entrance 31 and heating
Cover thermal medium outlet 32.
The wing formula heating tube 4 is provided with wing formula heating tube thermal medium entrance 41 and wing formula heating tube thermal medium outlet 42, institute
State wing formula heating tube thermal medium entrance 41 and the wing formula heating tube thermal medium outlet 42 is stretched out from the tubular reactor 2.
The draw ratio of tubular reactor 2 is 1：6 or 1：10, sludge retention time 5 minutes to 8 minutes.
Described one end of steam jet 5 is located inside the tubular reactor 2, and the other end of steam jet 5 is located at described
Outside tubular reactor 2, described one end of steam jet 5 is provided with steam reducing nozzle 51.
The quantity of steam jet 5 is a plurality of, and the steam reducing nozzle 51 is countercurrently set.
The quantity of wing formula heating tube 4 is a plurality of, and the fin in the wing formula heating tube 4 is vertical structure.
The tubular reactor 2 is provided with tubular reactor shrouding 7, entrance thermocouple 8, exit thermocouple 9, pressure transmitter
10 and safety valve 11.
The temperature and pressure that entrance thermocouple 8, exit thermocouple 9 and pressure transmitter 10 are shown is used as tubular reactor 2
Control parameter.
According to sludge hot hydrolysis pyrolysis earthquake intensity, continous way sludge pyrohydrolysis tubular reactor, which can be that single set either more, to be covered
Series connection, many sets are connected in series through adpting flange realization.
Sludge conveying sludge screw pump either sludge plunger pump.
Tubular reactor shrouding 7 can be ellipse end socket.
The invention also discloses a kind of Treatment of Sludge side carried out using the continous way sludge pyrohydrolysis tubular reactor
Method, comprises the following steps：
The first step：Sludge enters in tubular reactor 2 from mud inlet, heated chuck 3 and the indirectly heat of wing formula heating tube 4,
Sprayed and heat by the steam injected from steam jet 5 simultaneously, in tubular reactor 2, sludge is seethed under steam impringement,
Heat and mass is constantly completed with steam, sludge is pyrolyzed, the organic matter macromolecular in sludge is hydrolyzed into small molecule；
Second step：After pyrolyzing sludge, sludge becomes mud, is discharged from pyrolysis mud mouthful 6, and the heat in pyrolysis mud is by sludge
Pyrohydrolysis tubing heat exchanger is exchanged heat, and pyrolysis mud waste heat is sufficiently recycled by cold sludge.
The moisture content of sludge is handled in 70%-85%, the consumption of sludge steam per ton is 190Kg-230Kg, steam pressure
1.2MPa-3.0MPa；Preferably the moisture content of processing sludge is 80%, and the consumption of sludge steam per ton is 210Kg, steam pressure
2.5MPa.160 DEG C -170 DEG C of the final temperature that sludge is heated to, sludge retention time is -10 minutes 5 minutes.
The present invention has the advantages that：
Sludge hot hydrolysis is synchronously completed in sludge course of conveying 1. realizing, sludge pyrohydrolysis process is accelerated, improves dirty
The efficiency of mud processing；
2. using mud mud extraction is continuously entered, solve the production of conventional hot water's solution interval batch, the discontinuous problem of technique pause；
3. due to eliminating motor stirring, compared with conventional hot water's solution power consumption, power consumption reduces 80%；
4. the Btu utilization sludge pyrohydrolysis tubing heat exchanger in pyrolysis mud is exchanged heat, pyrolysis mud waste heat is by cold sludge
Sufficiently recycled；
5. because waste heat is fully utilized, compared with conventional hot water's solution steam consumption, the steam consumption reduces 30%；
6. causing sludge hot hydrolysis device cost significantly to decline, sludge pyrohydrolysis Low investment is realized.
Compare with traditional sludge pyrohydrolysis, the present invention has from Treatment of Sludge investment, operating cost decline and treatment effeciency
Significantly lifted, the present invention is worthy of popularization.
As shown in Fig. 2 the invention also discloses a kind of sludge pyrohydrolysis tubing heat exchanger, including tubing heat exchanger
102nd, heating mantle 103, heating body, the tubing heat exchanger 102 are provided with sludge suction flange part 101 and sludge outlet method
Orchid 107, the heating mantle 103 is wrapped in the outer surface of tubing heat exchanger 102, and the heating tube body is located at tubular type heat
In exchanger 102.
The heating body is that wing formula heats body 104.
The heating mantle 103 is provided with heating mantle thermal medium entrance 1031 and heating mantle thermal medium outlet 1032.
The wing formula heating body 104 is provided with wing formula heating tube body heat medium inlet 1041 and wing formula heating tube body heat medium
Outlet 1042, the wing formula heating tube body heat medium inlet 1041 and the wing formula heating tube body heat media outlet 1042 are from described
Stretched out in tubing heat exchanger 102.
The draw ratio of tubing heat exchanger 102 is 1：6 or 1：10.
Wing formula heating body 104 quantity is a plurality of, and the fin on the wing formula heating body 104 is vertical structure.
The tubing heat exchanger 102 is provided with porch thermocouple 105 and exit thermocouple 106.
The temperature that porch thermocouple 105 and exit thermocouple 106 are shown is used as sludge hot-water pipe type's heat exchanger control
Parameter processed.
The draw ratio of tubular reactor 2 is 1：6 or 1：10, sludge retention time 5 minutes to 8 minutes.
The requirement preheated according to sludge, sludge pyrohydrolysis tubing heat exchanger can be the either many set series connection of single set, many
Set is connected in series through adpting flange realization.
Sludge conveying sludge screw pump either sludge plunger pump.
Thermal medium is steam and sludge pyrohydrolysis high temperature pyrolysis mud.The moisture content of sludge is handled in 75%-85%.
When in use, sludge enters in sludge pyrohydrolysis tubing heat exchanger from mud inlet, sludge 103 Hes of heated set
Wing formula heats the indirectly heat of body 104；Sludge is raised with temperature, and sludge starts liquefaction；In whole process, sludge heats up and stopped
The time is stayed to be needed and adjusted according to technique.
The sludge pyrohydrolysis tubing heat exchanger has the advantages that：
Sludge is heated 1. realizing and being synchronously completed in sludge course of conveying, sludge pyrohydrolysis process is accelerated, improved at sludge
The efficiency of reason.
2. solving the heat recovery in sludge hot hydrolysis process pyrolysis mud, the cold sludge of mud waste-heat is pyrolyzed, is made
Waste heat is obtained sufficiently to recycle.
3. because waste heat is fully utilized, compared with conventional hot water's solution steam consumption, the steam consumption reduces 20%.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of continous way sludge pyrohydrolysis tubular reactor, it is characterised in that：Including tubular reactor (2), heating jacket
(3), heating tube, steam jet (5), the tubular reactor (2) are provided with sludge suction flange (1), pyrolysis slurry outlet (6),
The heating jacket (3) is wrapped in the tubular reactor (2) outer surface, and the heating tube is located at the tubular reactor (2)
Interior, it is internal that the steam jet (5) stretches into the tubular reactor (2).
2. continous way sludge pyrohydrolysis tubular reactor according to claim 1, it is characterised in that：The heating tube is wing
Formula heating tube（4）.
3. continous way sludge pyrohydrolysis tubular reactor according to claim 2, it is characterised in that：The heating jacket
(3) heating jacket thermal medium entrance (31) and heating jacket thermal medium outlet (32) are provided with.
4. continous way sludge pyrohydrolysis tubular reactor according to claim 2, it is characterised in that：The wing formula heating tube
（4）Provided with wing formula heating tube thermal medium entrance (41) and wing formula heating tube thermal medium outlet (42), the wing formula heating tube heat is situated between
Matter entrance (41) and the wing formula heating tube thermal medium outlet (42) are stretched out from the tubular reactor (2).
5. continous way sludge pyrohydrolysis tubular reactor according to claim 4, it is characterised in that：The tubular reactor
(2) draw ratio is 1：6 or 1：10.
6. continous way sludge pyrohydrolysis tubular reactor according to claim 2, it is characterised in that：The steam jet
(5) one end is located at the tubular reactor (2) inside, and steam jet (5) other end is located at the tubular reactor (2) outside
Portion, described steam jet (5) one end is provided with steam reducing nozzle（51）.
7. continous way sludge pyrohydrolysis tubular reactor according to claim 2, it is characterised in that：The steam jet
(5) quantity is a plurality of, the steam reducing nozzle（51）Adverse current is set.
8. continous way sludge pyrohydrolysis tubular reactor according to claim 2, it is characterised in that：The wing formula heating tube
（4）Quantity is a plurality of, and the fin on the wing formula heating tube (4) is vertical structure.
9. the continous way sludge pyrohydrolysis tubular reactor according to any one of claim 1 to 8, it is characterised in that：It is described
Tubular reactor (2) is provided with tubular reactor shrouding (7), entrance thermocouple (8), exit thermocouple (9), pressure transmitter (10)
With safety valve (11).
10. the Treatment of Sludge that a kind of any one of usage right requirement 1 to the 9 continous way sludge pyrohydrolysis tubular reactor is carried out
Method, it is characterised in that comprise the following steps：
The first step：Sludge enters tubular reactor from mud inlet（2）It is interior, heated chuck（3）With wing formula heating tube（4）Indirectly
Heating, while by from steam jet（5）The steam injection heating of middle injection, in tubular reactor（2）Interior, sludge is rushed in steam
Hit down and seethe, and steam constantly completes heat and mass, sludge is pyrolyzed, and the organic matter macromolecular in sludge is hydrolyzed into small point
Son；
Second step：After pyrolyzing sludge, sludge becomes mud, from pyrolysis mud mouthful（6）Heat in discharge, pyrolysis mud is by dirt
Mud pyrohydrolysis tubing heat exchanger is exchanged heat, and pyrolysis mud waste heat is sufficiently recycled by cold sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392692.2A CN107089781A (en) | 2017-05-27 | 2017-05-27 | Continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392692.2A CN107089781A (en) | 2017-05-27 | 2017-05-27 | Continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107089781A true CN107089781A (en) | 2017-08-25 |
Family
ID=59638835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710392692.2A Pending CN107089781A (en) | 2017-05-27 | 2017-05-27 | Continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107089781A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062446A (en) * | 2020-08-28 | 2020-12-11 | 沈阳中城城市矿产资源开发集团有限公司 | High temperature high pressure mud broken wall reation kettle |
| CN112279474A (en) * | 2020-10-21 | 2021-01-29 | 沈阳中城城市矿产资源开发集团有限公司 | Sludge high-temperature wall-breaking flash evaporation hydrolysis and dehydration pretreatment system |
| WO2021245444A1 (en) * | 2020-06-04 | 2021-12-09 | Newway Technologies Ltd. | Integrated sludge pulping and hydrolyzing equipment |
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2017
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021245444A1 (en) * | 2020-06-04 | 2021-12-09 | Newway Technologies Ltd. | Integrated sludge pulping and hydrolyzing equipment |
| CN114026047A (en) * | 2020-06-04 | 2022-02-08 | 纽威科技有限公司 | Integrated treatment facility is hydrolysised to mud slurrying |
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| CN112062446A (en) * | 2020-08-28 | 2020-12-11 | 沈阳中城城市矿产资源开发集团有限公司 | High temperature high pressure mud broken wall reation kettle |
| CN112279474A (en) * | 2020-10-21 | 2021-01-29 | 沈阳中城城市矿产资源开发集团有限公司 | Sludge high-temperature wall-breaking flash evaporation hydrolysis and dehydration pretreatment system |
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Application publication date: 20170825 |