CN204298219U - Sludge hot hydrolysis reaction device - Google Patents
Sludge hot hydrolysis reaction device Download PDFInfo
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- CN204298219U CN204298219U CN201420779746.2U CN201420779746U CN204298219U CN 204298219 U CN204298219 U CN 204298219U CN 201420779746 U CN201420779746 U CN 201420779746U CN 204298219 U CN204298219 U CN 204298219U
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Abstract
The utility model is relevant a kind of sludge hot hydrolysis reaction device, comprises reactor 1, characterized by further comprising surge tank 2, lime set recover 3 and control device, and described reactor 1 is by the connection of pipeline and surge tank 2; Described surge tank 2 is connected with lime set recover 3 by pipeline.Have strong adaptability, controllability is strong, and flexible operation is simply compact, functional good, energy resource consumption and the feature such as maintenance cost is low.
Description
Technical field
The utility model relates to the Treatment of Sludge reaction unit of field of environment protection, particularly a kind of sludge hot hydrolysis reaction device.
Background technology
Along with the attention of society to environmental protection and the high speed development of sewage treatment industry, improving constantly of municipal sewage and Industrial Wastewater Treatment ability and stain disease handling rate, the sludge yield of sewage treatment plant also increases thereupon.Containing a large amount of harmful and noxious substances such as pollutant, organic matter, pathogen, heavy metal substance in mud, ecological environment and human health are constituted a serious threat.Meanwhile, mud contains the nutriments such as a large amount of carbon, nitrogen, phosphorus, processes proper, has resource meaning.Mud, as the valuable resource of one, carries out minimizing, stabilisation, harmless treatment, and making mud Middle nutrition material obtain cycling and reutilization will be the inexorable trend that sludge disposal technology develops simultaneously.
Anaerobic sludge digestion treatment technology is one of technology resource be coupled with energy at present.Pyrohydrolysis technique was increased as the pretreatment workshop section of before anaerobic digestion process before anaerobic sludge digestion technique, pass through pyrohydrolysis, the content of organic matter of mud can be improved, improve the viscid characteristic of mud, thus improve anaerobic digestion performance of sludge, raising treatment effeciency, increase methane production.After pyrohydrolysis pretreatment, the solid content of mud can improve, thus saves anaerobic sludge digestion volume, has saved civil engineering costs.
Sludge hot hydrolysis is under uniform temperature and pressure condition, in airtight container, mud is heated, make the part microbial cell body expanded by heating in mud and break, discharge organic matter, mineral matter, larger molecular organics discharges and is hydrolyzed into small-molecule substance, by improve the settling property of mud, dewatering and biodegradability after pyrohydrolysis process.
Conventional sludge hot hydrolysis needs directly to heat mud under the condition of HTHP, but exists during high temperature high pressure process equipment and operation requirements is higher and energy consumption is large problem.Moreover, do coherent detection after need reacting for the effect of sludge hot hydrolysis and draw to there is larger hysteresis quality, can not the interlock that regulates of formation process parameter.
Summary of the invention
Because the defect existing for above-mentioned prior art, the purpose of this utility model is, a kind of sludge hot hydrolysis reaction device is provided, make its can Real-Time Monitoring reaction condition and monitoring reaction result, be convenient to immediately regulate reaction condition parameter and add medicament, flexible operation, simple and compact device, reduces energy resource consumption.
To achieve these goals, according to a kind of sludge hot hydrolysis reaction device that the utility model proposes, comprise reactor 1, it also comprises surge tank 2, lime set recover 3 and control device, and described reactor 1 is by the connection of pipeline and surge tank 2; Described surge tank 2 is connected with lime set recover 3 by pipeline.
The utility model also can be applied to the following technical measures to achieve further.
Aforesaid sludge hot hydrolysis reaction device, the top of wherein said reactor 1 is provided with charging aperture 5, dosing mouth 6, air inlet 7, exhaust outlet 8, Pressure gauge 9 and safety valve 10, inside is provided with agitator 11, heating tube 13 and thermocouple 12 and sleeve pipe thereof, and outer setting has heater 14; Described surge tank 2 top is provided with surge tank charge door 15, surge tank Pressure gauge 16, surge tank exhaust outlet 17, and bottom is provided with surge tank discharge port, and inside is provided with mud release head 36 and temperature-measuring port 18, and outside is provided with heat exchanger 19; Described lime set recover 3 top is provided with lime set recover exhaust outlet 20, and bottom is provided with lime set recover discharge port, and inside is provided with condenser coil 21.
Aforesaid sludge hot hydrolysis reaction device, wherein said control device is made up of speed of agitator controller, temperature controller, control instrument, speed of agitator can be controlled, control temperature in the kettle, proportional-integral-differential Self-tuning System, and with heating voltage table, galvanometer motor, speed of agitator table and working time display module.
Aforesaid sludge hot hydrolysis reaction device, the volume ratio of wherein said reactor 1, surge tank 2, lime set recover 3 is 2:5:1.
Aforesaid sludge hot hydrolysis reaction device, wherein said air inlet is connected with external steam generating means or steam storage tank, can carry out Steam Heating.
Aforesaid sludge hot hydrolysis reaction device, wherein said heater 14, heating tube 13, Steam Heating three kinds of mode of heatings can optional one to three kind heat.
Aforesaid sludge hot hydrolysis reaction device, is characterized in that described each material import and export adopts Valve controlling.
Aforesaid sludge hot hydrolysis reaction device, is characterized in that charging aperture 5 and/or dosing mouth 6 and/or surge tank charge door 15 are provided with detachable and/or non-removable hopper.
Aforesaid sludge hot hydrolysis reaction device, the pipeline that it is characterized in that described coupled reaction still 1 and surge tank 2 and/or the pipeline being connected surge tank and lime set recover 3 pass through Flange joint with reactor 1, surge tank (2), lime set recover 3 respectively.
Aforesaid sludge hot hydrolysis reaction device, is characterized in that described mud release head 36 is connected by the tube outlet of surge tank top cover with coupled reaction still 1, and mud release head 36 extends in surge tank 2 to tank body top 1/5 to 1/4 place.
The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, sludge hot hydrolysis reaction device of the present utility model, at least has following advantages:
One, sludge hot hydrolysis reaction device of the present utility model, strong adaptability, controllability is strong, can process the mud produced in various industrial wastewater or municipal sewage treatment process.
Two, sludge hot hydrolysis reaction device of the present utility model, flexible operation, can need before operation, in operation, after operation, add medicament, adjustment parameter, detection reaction result etc. according to process.
Three, sludge hot hydrolysis reaction device of the present utility model, simple and compact device, maintenance cost is low, functional good, the moisture of lime set recover not only recyclable evaporation, thus regulation and control mud is moisture, and response situation can be judged fast according to the water yield of collecting, thus parameter can be adjusted in time or add the medicament needed.
Four, sludge hot hydrolysis reaction device of the present utility model, simple and compact device, mode of heating can flexible modulation, needs to select, can reduce energy resource consumption according to process.
Accompanying drawing explanation
Fig. 1 is the structural representation of a sludge hot hydrolysis reaction device of the present utility model preferred embodiment.
In accompanying drawing, the list of parts representated by each label is as follows:
1: reactor 2: surge tank
3: lime set recover 4: kettle cover
5: reactor charging aperture 6: reactor dosing mouth
7: reactor air inlet 8: reactor gas outlet
9: reactor Pressure gauge 10: safety valve
11: agitator 12: thermocouple
13: heating tube 14: heater
15: surge tank charge door 16: surge tank Pressure gauge
17: surge tank exhaust outlet 18: surge tank temperature-measuring port
19: heat exchanger 20: lime set recover exhaust outlet
21: condenser coil 22: the first valve
23: the second valve 24: the three valves
25: the four valve 26: the five valves
27: the six valve 28: the seven valves
29: air intake valve 30: first row air valve
31: second row air valve 32: the three drain tap
33: stirring motor 34: paddle
35: reaction unit support 36: mud release head
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, describe in detail according to its detailed description of the invention of sludge hot hydrolysis reaction device, step, structure, feature and the effect thereof that the utility model proposes.
Referring to shown in Fig. 1, is the structural representation of the utility model sludge hot hydrolysis reaction device preferred embodiment.Described sludge hot hydrolysis reaction device, preferably includes sewage sludge reaction still 1, surge tank 2, lime set recover 3 and control device.
Described reactor 1 top is provided with reactor charging aperture 5, reactor dosing mouth 6, reactor air inlet 7, reactor exhaust outlet 8, reactor Pressure gauge 9 and safety valve 10.Wherein reactor charging aperture 5, reactor dosing mouth 6 are controlled by the first valve 22 and the second valve 23 respectively; Reactor air inlet 7, reactor gas outlet 8 are controlled by air intake valve 29, first row air valve 30 respectively; Reactor charging aperture 5 and reactor dosing mouth 6 are provided with dismountable hopper thus facilitate reactor charging aperture 5 charging and reactor dosing mouth 6 dosing, and reactor dosing mouth 6 can complete the control added at differential responses stage Chinese medicine.Reactor 1 inside is provided with agitator 11, heating tube 13 and thermocouple 12 and sleeve pipe thereof, wherein said agitator 11 comprises stirring motor 33 and its paddle 34 driven, described paddle 34 is the pusher stirring arms of two row three leaves, agitator 11 can carry out axially reciprocating, and mixing speed is radial infinitely variable speeds.Reactor 1 outer setting has heater 14, preferably has heat-insulation layer in heater 14 outer setting.Reactor 1 bottom centre is connected with surge tank 2 top center by the pipeline being provided with the 3rd valve 24, and described pipeline and reactor 1 and surge tank 2 adopt Flange joint, replacing cleaning for convenience detach.
Preferred reactor air inlet 7 can be connected with external steam generating means or steam storage tank, thus Steam Heating mode can be adopted to heat reactor 1.Thus described sludge hot hydrolysis reaction device can have three kinds of mode of heatings: introduce Steam Heating, by heater 14 heat-conducting oil heating, by heating tube 12 electrical heating by reactor air inlet 7, three kinds of mode of heatings can optionally wherein a kind of, two or three to heat simultaneously, thus save the energy or improve the efficiency of heating surface.
The kettle cover 4 of preferred reactor 1 is dismountable, and described kettle cover 4 is sealedly attached on reactor kettle by jockeys such as bolts.
Described surge tank 2 top is provided with surge tank charge door 15, surge tank Pressure gauge 16, surge tank exhaust outlet 17, and wherein surge tank charge door 15 is controlled by the 4th valve 25, and surge tank 2 bottom centre is provided with surge tank discharge port, is controlled by the 5th valve 26.Surge tank 2 inside is provided with temperature-measuring port 18, for measuring surge tank 2 internal temperature.Surge tank 2 outside is provided with heat exchanger 19, and surge tank 2 top is connected with lime set recover 3 by the pipeline of the 6th valve 27 by establishing, and described pipeline and surge tank 2 and lime set recover 3 are by Flange joint, for convenience detach and change cleaning.Wherein surge tank charge door 15 is provided with dismountable hopper, facilitates surge tank charge door 15 to feed in raw material.
Preferred described mud release head 36 is connected with the tube outlet of coupled reaction still 1 by surge tank 2 top cover, and mud release head 36 extends in surge tank 2 to tank body top 1/5.
Mud release head 36 described in another preferred embodiment is connected with the tube outlet of coupled reaction still 1 by surge tank 2 top cover, and mud release head 36 extends in surge tank 2 to tank body top 1/4.
Preferred surge tank 2 is detachable pressure vessel, low head cylindrical structure, and surge tank 2 top cover and tank body pass through bolt or rivet or Flange joint and seal.
Described lime set recover 3 top is provided with lime set recover exhaust outlet 20, is provided with lime set recover discharge port bottom lime set recover 3, is controlled by the 7th valve 28, and lime set recover 3 inside is provided with condenser coil 21.The water yield that lime set recover is collected can indirect detection sludge hot hydrolysis process effect, observe its condensed water water yield and the known extent of reaction of condensation rate and speed by it, can the mixing speed of feedback regulation paddle, heating-up temperature, dosing dosage and flashing pressure etc.
Preferred reactor air inlet 7, reactor gas outlet 8, surge tank exhaust outlet 17, lime set recover exhaust outlet 20 are controlled by air intake valve 29, first row air valve 30, second row air valve 31, the 3rd drain tap 32 respectively.
Preferred control device comprises speed of agitator controller, proportional-integral-differential (PID) temperature controller, control and Displaying Meter, for realizing mixing speed, pid parameter Self-tuning System adjustment temperature, the control of control agitator and showing the parameter functions such as voltage, electric current, mixing speed.
The volume ratio of preferred reactor 1, surge tank 2, lime set recover 3 is 2:5:1.
The pyrohydrolysis reaction of mud is the reaction carried out under high-temperature and high-pressure conditions in described sludge hot hydrolysis reaction device, reaction is batch-type process, mode of heating can be selected to introduce Steam Heating, by heater 14 heat-conducting oil heating, by one or more in heating tube 12 electrical heating three kinds of mode of heatings, below the preferred working method of the one of sludge hot hydrolysis reaction device to be described by heating tube 12 Electric heating by reactor air inlet 7 according to actual conditions.
The stage of reaction:
Before reaction starts, close all valves of sludge hot hydrolysis reaction device, open the first valve (22) controlling reactor charge door 5 and the first row air valve (30) controlling reactor gas outlet 8, the mud reaching flowable through pretreatment is entered in reactor 1 by reactor charging aperture 5 by the first valve 22, after guaranteeing reactor good seal, close the first valve (22) and first row air valve (30), by control device manipulates, reactor 1 is heated, the pressure and temperature of reactor 1 can pass through reactor Pressure gauge 9 and thermocouple 12 Real-Time Monitoring, and by temperature controller A.T.C, can need to rise to proper temperature as added catalyst and/or oxidant H by reactor dosing mouth 6 by the second valve 23 when 40 ~ 50 DEG C at temperature in the kettle according to process
2o
2, ClO
2, O
3, HClO, KMnO
4one or more, heating process keeps stirring simultaneously, treats that temperature rises to proper temperature as 120 ~ 140 DEG C, suitably pressure such as 0.6 ~ 0.8MPa keeps reaction appropriate time as 25 ~ 35min.
The pressure release stage:
After in reactor 1, pyrohydrolysis has reacted, open the 3rd valve 24 of control connection reactor 1 and surge tank 2 pipeline instantaneously, because reactor 1 and surge tank 2 exist pressure differential, so under the thrust of pressure differential, in short time, mud is clamp-oned in surge tank 2, treat that the two pressure is equal, namely when the registration of reactor Pressure gauge 9 and buffering pressure tank table 16 is equal, complete a pressure release, close the 3rd valve 24, open the 6th valve 27 of control connection surge tank 2 and lime set recover 3 pipeline, heat steam in surge tank 2 is cooled by lime set recover 3 and reclaims, when pressure tank table 16 reading to be buffered is zero, close the 6th valve 27, again open the 3rd valve 24, carry out secondary pressure release, start surge tank external heat exchanger 19, when in tank to be buffered, pressure and temperature is down to certain condition, if Pressure Drop is to below 0.05MPa, when temperature is down to 40 ~ 50 DEG C, open second row air valve 31 and the 5th valve 26, discharge the liquid mud that pyrohydrolysis process obtains, complete sludge hot hydrolysis process, enter anaerobic digestion reaction vessel again and carry out anaerobic digestion, realize the minimizing of mud, stabilisation, safe, recycling.
Although the utility model discloses as above with preferred embodiment, so and be not used to limit the scope that the utility model implements, the simple equivalence change done according to claims of the present utility model and description and modification, still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a sludge hot hydrolysis reaction device, comprise reactor (1), characterized by further comprising surge tank (2), lime set recover (3) and control device, described reactor (1) is by the connection of pipeline and surge tank (2); Described surge tank (2) is connected with lime set recover (3) by pipeline.
2. sludge hot hydrolysis reaction device as claimed in claim 1, it is characterized in that the top of described reactor (1) is provided with charging aperture (5), dosing mouth (6), air inlet (7), exhaust outlet (8), Pressure gauge (9) and safety valve (10), inside is provided with agitator (11), heating tube (13) and thermocouple (12) and sleeve pipe thereof, and outer setting has heater (14); Described surge tank (2) top is provided with surge tank charge door (15), surge tank Pressure gauge (16), surge tank exhaust outlet (17), bottom is provided with surge tank discharge port, inside is provided with mud release head (36) and temperature-measuring port (18), and outside is provided with heat exchanger (19); Described lime set recover (3) top is provided with lime set recover exhaust outlet (20), and bottom is provided with lime set recover discharge port, and inside is provided with condenser coil (21).
3. sludge hot hydrolysis reaction device as claimed in claim 1, it is characterized in that described control device is made up of speed of agitator controller, temperature controller, controller, speed of agitator can be controlled, control temperature in the kettle, proportional-integral-differential Self-tuning System, and with heating voltage table, galvanometer motor, speed of agitator table and working time display module.
4. sludge hot hydrolysis reaction device as claimed in claim 1, is characterized in that the volume ratio of described reactor (1), surge tank (2), lime set recover (3) is 2:5:1.
5. sludge hot hydrolysis reaction device as claimed in claim 2, is characterized in that described air inlet is connected with external steam generating means or steam storage tank, can carry out Steam Heating.
6. sludge hot hydrolysis reaction device as claimed in claim 5, it is characterized in that described heater (14), heating tube (12), Steam Heating three kinds of mode of heatings can optional one to three kind heat.
7. the sludge hot hydrolysis reaction device as described in any one of claim 1 to 6, is characterized in that described each material import and export adopts Valve controlling.
8. the sludge hot hydrolysis reaction device as described in any one of claim 1 to 6, is characterized in that charging aperture (5) and/or dosing mouth (6) and/or surge tank charge door (15) are provided with detachable and/or non-removable hopper.
9. the sludge hot hydrolysis reaction device as described in any one of claim 1 to 6, the pipeline that it is characterized in that described coupled reaction still (1) and surge tank (2) and/or the pipeline being connected surge tank and lime set recover (3) pass through Flange joint with reactor (1), surge tank (2), lime set recover (3) respectively.
10. the sludge hot hydrolysis reaction device as described in any one of claim 1 to 6, it is characterized in that described mud release head (36) is connected by the tube outlet of surge tank top cover with coupled reaction still (1), mud release head (36) extends in surge tank (2) to tank body top 1/5 to 1/4 place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420779746.2U CN204298219U (en) | 2014-12-11 | 2014-12-11 | Sludge hot hydrolysis reaction device |
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|---|---|---|---|
| CN201420779746.2U CN204298219U (en) | 2014-12-11 | 2014-12-11 | Sludge hot hydrolysis reaction device |
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| CN204298219U true CN204298219U (en) | 2015-04-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417922A (en) * | 2015-12-14 | 2016-03-23 | 北京洁绿科技发展有限公司 | Continuous sludge thermo-hydrolysis device and use method thereof |
| CN106915891A (en) * | 2017-05-14 | 2017-07-04 | 郭舒洋 | A kind of oil plant oily sludge is innoxious and processing method of resource |
| CN107089781A (en) * | 2017-05-27 | 2017-08-25 | 深圳市兴能保环境科技有限公司 | Continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment |
| CN109250879A (en) * | 2018-10-25 | 2019-01-22 | 北京高能时代环境技术股份有限公司 | A kind of hydro-thermal reaction atmosphere improves the processing method of sludge fuel |
| CN115420075A (en) * | 2022-08-31 | 2022-12-02 | 中国石油大学(北京) | Sludge drying, pyrolysis and condensation recovery lab scale device |
-
2014
- 2014-12-11 CN CN201420779746.2U patent/CN204298219U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417922A (en) * | 2015-12-14 | 2016-03-23 | 北京洁绿科技发展有限公司 | Continuous sludge thermo-hydrolysis device and use method thereof |
| CN106915891A (en) * | 2017-05-14 | 2017-07-04 | 郭舒洋 | A kind of oil plant oily sludge is innoxious and processing method of resource |
| CN107089781A (en) * | 2017-05-27 | 2017-08-25 | 深圳市兴能保环境科技有限公司 | Continous way sludge pyrohydrolysis tubular reactor and method for sludge treatment |
| CN109250879A (en) * | 2018-10-25 | 2019-01-22 | 北京高能时代环境技术股份有限公司 | A kind of hydro-thermal reaction atmosphere improves the processing method of sludge fuel |
| CN115420075A (en) * | 2022-08-31 | 2022-12-02 | 中国石油大学(北京) | Sludge drying, pyrolysis and condensation recovery lab scale device |
| CN115420075B (en) * | 2022-08-31 | 2023-11-28 | 中国石油大学(北京) | Sludge drying, pyrolysis and condensation recycling small test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100082 Beijing Xizhimen North Street, Shougang International Building, No. 60, 12A Patentee after: POTEN ENVIRONMENT GROUP CO., LTD. Patentee after: Bo Tian environmental planning and Design Institute (Beijing) Co., Ltd. Address before: 100082 Beijing Xizhimen North Street, Shougang International Building, No. 60, 12A Patentee before: POTEN ENVIRONMENT GROUP CO., LTD. Patentee before: BEIJING POTEN ENVIRONMENTAL RESEARCH INSTITUTE CO., LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Thermal hydrolysis reaction device for sludge Effective date of registration: 20191203 Granted publication date: 20150429 Pledgee: Beijing urban construction and development branch of China Construction Bank Co., Ltd Pledgor: Poten Environmental Group Co., Ltd.|Botian Environmental Planning and Design Institute (Beijing) Co., Ltd. Registration number: Y2019990000644 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |