CN102974593A - Intelligent organic solid waste subcritical hydrolysis treatment energy saving system - Google Patents
Intelligent organic solid waste subcritical hydrolysis treatment energy saving system Download PDFInfo
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- 238000011282 treatment Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
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Abstract
The present invention discloses an intelligent organic solid waste subcritical hydrolysis treatment energy saving system, which comprises a heat supply system and an energy circulation system, wherein the heat supply system comprises a heat supply device and an intelligent completely-automatic control device, the intelligent completely-automatic control device is connected with the heat supply device so as to control the heat supply device, the energy circulation system comprises two reaction kettles, pipelines and a boiler, when pressurization of one reaction kettle is stopped, the energy in the pipeline at the current time is adopted as a starting energy source of the other reaction kettle, the boiler is opened to carry out continuous pressurization when the pipeline pressure is lower than 1.0-1.3 MPa, substantial energy saving of the device is achieved through use of the starting energy source, and the heat supply device provides alternate heat supply and control for the two reaction kettles in the manner. According to the present invention, automated manufacturing and automation are achieved, and the intelligent organic solid waste subcritical hydrolysis treatment device can have characteristics of efficiency, energy saving, compact layout, environmental protection and safety.
Description
Technical field
The present invention relates to a kind of processing of organic solid waste and method and the processing method of recycling, more specifically, the present invention relates to a kind of Intelligent organic solid waste subcritical hydrolysis and process energy conserving system.
Background technology
Subcritical water refers to the compressed liquid water of temperature between 180 ℃-350 ℃.[H30+] in subcritical water and [0H-] be near weak acid or weak base, so self have acid catalysis and base catalysis function; Subcritical water has enough little dielectric constant, has the characteristic of energy while dissolved organic matter and inorganic matter; Subcritical water also has the advantages such as good mass-transfer performance and environmental protection simultaneously.Utilize subcritical water technology can make cellulose family, starch based, higher fatty acids class and partly plastic class material etc. in the rubbish carry out decomposition reaction, make macromolecular substances change other organic products such as little minute subclass lower fatty acid and compound sugar into, therefore utilize subcritical water to carry out discarded object renewable resources aspect and gather around and have broad application prospects.
The discarded object that contains a large amount of above-mentioned cellulose families, starch based, higher fatty acids class in the organic solid waste, and the Plastic material that is difficult to degrade arranged, utilize subcritical water to process organic solid waste, with its recycling treatment recycling, meet current " low-carbon economy " development.
The problems such as it is poor that yet such technology exists complete sets of equipment at present, and heating system is difficult to be selected, and the batch processed amount is limited.Such as life refuse processing method as described in the Chinese patent application numbers 200710039019.7: it is characterized in that organic matter high temperature and high pressure hydrolysis hydrothermal oxidization processes, comprise the organic matter that to sub-elect through acid treatment, preheating.Then be heated to 150 ℃-200 ℃ and be forced into the 8-12Mpa pressurize 1.5-2 hour, through expanding treatment, drying, broken, screening is processed, composting.This technique needs acid adding to carry out acidifying, container material is required high; Heating and compression system separate, and cause equipment cost to increase; And thermal effectiveness is poor, causes the reaction time long, and treating capacity is limited; Technological process is tediously long, causes automaticity low, and uncontrollable points of contamination is many, so that operating mode is abominable.The main electrical heating fuse salt that adopts carries out the reactor heating in the Chinese patent application number 200920050434.7 described device characteristics, and this mode of heating rate of heat addition for large-size reactor is slower, and the reaction time is long, and treating capacity is limited.But all exist the technical problem that heat time heating time is long, cost is high, automaticity is low, treating capacity is limited.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of Intelligent organic solid waste subcritical hydrolysis and process the energy conserving system technology, by intellectuality control, " four is distant " control of the remote signalling of feasible system, remote measurement, remote regulating, remote control; Can realize that some group reaction kettle device orders criticize row formula operation, improve the heating equipment efficiency of utilization, improve system's treatment effeciency, enlarge treatment scale, energy-conservation.
The present invention realizes by following technical scheme:
A kind of Intelligent organic solid waste subcritical hydrolysis is processed energy conserving system, described energy conserving system comprises heating system and energy circulation system, wherein said heating system comprises heating plant and intelligent device for automatically controlling, and described intelligent device for automatically controlling connects heating plant and with this heating plant controlled; Described energy circulation system comprises two reactors, pipeline and boiler, when a reactor pressurization stops, energy in use pipeline this moment is as the initial energy of another reactor, when pipeline pressure is lower than 1.0～1.3MPa, open again boiler and continue pressurization, use implement device by the initial energy significantly energy-conservation, described heating plant with this to two reactor alternately heatings and control.
Another aspect of the present invention, described energy circulation system comprises and also comprises accumulator still, described two reactors are reactor A and reactor B, after described reactor A and the reactor B parallel connection, criticize the designing requirement of row formula by order, be connected to described energy conserving system, mass transport is to reactor A, making time is 15-30 minute, before A reactor material input is finished, open boiler, thereby boiler makes reactor be in subcritical state by closed conduit to A reactor delivering vapor, after material drops into and finishes, boiler valve on the described boiler and A reactor intake valve AV-1 open, boiler by closed conduit to A reactor delivering vapor, afterreaction still inside reached designated value in 15-30 minute, pressure is 1.3～3MPa, temperature is 130～300 ℃, enter temperature and keep the stage, this moment, the B reactor began to feed intake, the A reactor maintenance stage keeps and material was processed in 30 minutes, boiler valve and A reactor intake valve AV-1 close the beginning release after finishing, the steam of discharging enters accumulator still, process for lower batch of material as supplementary energy, B reactor intake valve AV-2 opens simultaneously, makes the heat of storage in the pipeline enter the B reactor, opens boiler valve and continue to heat to designated value when pipeline pressure is lower than 1.0～1.3MPa.The heat of storage uses the energy-conservation effect of having played as the initial energy of B reactor in the pipeline, B reactor inside reaches designated value, pressure is 1.3～3MPa, temperature is 130～300 ℃, enter temperature and keep the stage, beginning discharging after the pressure release of A reactor is finished, the B temperature of reaction kettle keeps beginning pressure release after 30 minutes, this moment, the A reactor began to feed intake, and back and forth was disposed to all materials with this.
Another aspect of the present invention, described main processing reaction still outer setting thermal jacket arranges pressure sensor, temperature sensor, charging ball valve actuator, air inlet ball valve actuator, venting ball valve actuator, discharge ball valve actuator on the kettle.
Another aspect of the present invention, described intelligent device for automatically controlling makes the reaction formation order in the main processing reaction still criticize the reaction of row formula by the control to described charging ball valve actuator and discharge ball valve actuator, air inlet ball valve actuator and venting ball valve actuator; Make in the main processing reaction still pressure and temperature keep normal by the control to pressure sensor and temperature sensor, and do emergent the preparation; Realize that by intelligent control interface telemonitoring and control need.
Another aspect of the present invention, described heating plant comprise steam generator and hot media heater, when the required reaction condition for the treatment of material is lower than 210 ℃, during 2MPa, uses steam generator to carry out steam heating; When the required reaction condition for the treatment of material is higher than 210 ℃, during 2MPa, carries out steam generator and hot media heater combined heat.
Another aspect of the present invention, described energy conserving system utilizes A reactor and B reactor, carry out heat supply by a boiler, configuration A reactor and B reactor can carry out service work under system running state, the system of keeping works continuously to guarantee production efficiency, by between a plurality of numerical control electromagnetic valves and a plurality of pressure detecting table, carrying out the signals collecting of each equipment state, after signals collecting, feed back to PLC equipment and transfer to middle control computer and operate resolution according to the requirement of setting, boiler can heat water to 200 ℃ and be forced into the pressure condition of 2.0MPa after unlatching, cruise Control Module is after obtaining the state of boiler, requiring automatically to open numerical control electromagnetic valve according to execute-in-place is added to steam in the described accumulator still, and open simultaneously magnetic valve steam is inputed in the A reactor, the condition that the temperature and pressure of A reactor inside is promoted to setting is that temperature is 180 ℃, pressure is 1.8MPa, the control computer cuts off magnetic valve immediately in rear, stop the running of boiler, after waiting for that the B reactor is reinforced complete and satisfying working condition, middle control computer can carry out according to the pressure condition of B reactor and accumulator still the mode of operation of circulating energy-saving, the B reactor operation condition of having no idea to satisfy immediately, middle control computer will be judged according to the data of setting and stops steam generator to reduce the loss of the energy, and collect rapidly steam in the accumulator still, namely close the pipeline of accumulator still connection steam generator and two reactors, after the B reactor satisfies treatment conditions, middle control computer is opened the jet chimney that accumulator still advances the B reactor automatically, and temperature and the pressure condition of Real-Time Monitoring accumulator still and B reactor, quantity of steam in detecting accumulator still reduces to some degree and B reactor can't satisfy operation condition the time, and middle control computer can start voluntarily steam generator and continue to the pressurization of heating of B reactor.
Beneficial effect of the present invention is:
1, two reactor cycle alternation Energy Saving Control technological design.By intelligent control technology, can guarantee when continuous heat supply, the operation of two group reaction still alternate cycles, energy-saving effect is 40%-50%.Increase work efficiency, improve treating capacity, also be convenient to the ordinary maintenance service work of reactor simultaneously.
2, can realize the complete intelligent automatic monitoring of system.Improve and process a working environment, the complete property of embodiment device, advance.
3, system realizes full equipment.Integral arrangement is compact, and floor space is few, and it is convenient to process an addressing, and strong adaptability easily forms Industry Promotion.
Description of drawings
Fig. 1 criticizes row formula reacting flow chart take two main processing reaction stills as the order of example;
Fig. 2 criticizes row formula reacting flow chart take two main processing reaction stills as the another kind of order of example.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment 1
As shown in Figure 1, a kind of Intelligent organic solid waste subcritical hydrolysis is processed energy saver, described energy saver comprises heating system and energy circulation system 8, described heating system is connected connection with the energy circulation system, also comprise the energy circulation system 8 that is connected with heating system, described energy circulation system 8 comprises A reactor 1 and B reactor 2, the accumulator still of connecting pipe and two reactor alternately heatings of control, described two reactors by connecting pipe be connected accumulator still and connect.A reactor 1 and B reactor 2 are Parallel Design.
Utilize A reactor 1 and B reactor 2, carry out heat supply by a boiler 3, process the changing food waste material of certain scale every day.Disposing two reactors can carry out service work under system running state, the system of keeping works continuously to guarantee production efficiency.
To A reactor 1, making time is about 15min to conveyer with mass transport.Before A reactor 1 material input is finished, open boiler 3.Thereby boiler 3 makes reactor be in subcritical state by airtight jet chimney 5 to the reactor delivering vapor.After material drops into and finishes, boiler valve 9 and A reactor 1 intake valve AV-1 open, and to A reactor 1 delivering vapor, about 15min afterreaction still inside reaches designated value (1.3～3MPa to boiler 3 by airtight jet chimney 5,130～300 ℃), enter temperature and keep the stage.B reactor 2 begins to feed intake at this moment.The 1 maintenance stage of A reactor keeps 30min material is processed, boiler valve 9 and A reactor 1 intake valve AV-1 close the beginning release after finishing, the steam of discharging enters accumulator still 4 by steam exhaust-gas pipeline 6, process for lower batch of material as supplementary energy, B reactor 2 intake valve AV-2 open simultaneously, make the heat of storage in the pipeline enter the B reactor, when pipeline pressure is lower than 1.0～1.3MPa, open boiler valve and continue to heat to designated value.The heat of storage uses the energy-conservation effect of having played as the initial energy of B reactor in the pipeline.B reactor 2 inside reach designated value (1.3～3MPa, 130～300 ℃), enter temperature and keep the stage.Beginning discharging after 1 pressure release of A reactor is finished.B reactor 2 temperature keep beginning pressure release behind the 30min, and A reactor 1 begins to feed intake at this moment.Back and forth be disposed to all materials with this.
Embodiment 2
As shown in Figure 2, utilize A reactor 1 and B reactor 2, carry out heat supply by a boiler 3, process the changing food waste material of certain scale every day.Configuration A reactor 1 and B reactor 2 can carry out service work under system running state, the system of keeping works continuously to guarantee production efficiency.The two reactor cycle alternation power-saving technologies of full intelligence, by between a plurality of numerical control electromagnetic valves and a plurality of pressure detecting table, carrying out the signals collecting of each equipment state, after signals collecting, feed back to PLC equipment and transfer to middle control computer and operate resolution according to the requirement of setting.Boiler 3 can heat water to 200 ℃ and be forced into the pressure condition of 2.0MPa after unlatching.Cruise Control Module requires automatically to open numerical control electromagnetic valve according to execute-in-place steam is added in the energy-storage buffering still behind the state that obtains boiler 3, and opens simultaneously magnetic valve steam is inputed in the A reactor 1.The rear middle control computer of condition (temperature is 180 ℃, and pressure is 1.8MPa) that the temperature and pressure of reactor inside is promoted to setting cuts off magnetic valve immediately, stops the running of boiler.After waiting for that B reactor 2 is reinforced complete and satisfying working condition, middle control computer can carry out according to the pressure condition of B reactor 2 and accumulator still the mode of operation of circulating energy-saving.The mode of two reactor circulating energy-savings refers to after boiler 3 runnings and satisfying the condition of work of a reactor, for example: A reactor 1 is behind steam injection, and the pressure sensor and the temperature sensor that are arranged in A reactor 1 can pass through the state of A reactor 1 the PLC device transmission in real time to the control computer.After satisfying regulations, middle control computer can send instruction with the closed electromagnetic valve of steam generator to A reactor 1.The control computer can be made a response according to the reinforced state of B reactor 2 at the same time.Generally speaking, B reactor 2 may have no idea to satisfy immediately operation condition.Middle control computer will judge according to the data of setting and stop steam generator reducing the loss of the energy, and steam is collected rapidly in the accumulator still, namely closes the pipeline that accumulator still connects steam generator and two reactors.After B reactor 2 satisfied treatment conditions, middle control computer was opened the jet chimney that accumulator still advances B reactor 2 automatically, and temperature and the pressure condition of Real-Time Monitoring accumulator still and B reactor 2.Quantity of steam in detecting accumulator still reduces to some degree and B reactor 2 can't satisfy operation condition the time, and middle control computer can start voluntarily steam generator and continue to B reactor 2 pressurization of heating.
According to confirming after 5 months the test that the two reactor energy-efficient treatment systems of full intelligence can effectively reduce energy consumption.Steam generator consumption diesel oil was 75 liters when test phase separate unit reactor satisfied required operation condition, but the diesel-fuel consumption of second reactor is reduced to 35 liters after adopting the cycles, economized technology, and energy-saving effect surpasses 50%.
Material transfers to intermediate bunker and stores after the pre-treatments such as cracking and sorting.
The above be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, and any variation or replacement of expecting without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. an Intelligent organic solid waste subcritical hydrolysis is processed energy conserving system, described energy conserving system comprises heating system and energy circulation system, wherein said heating system comprises heating plant and intelligent device for automatically controlling, and described intelligent device for automatically controlling connects heating plant and with this heating plant controlled; It is characterized in that: described energy circulation system comprises two reactors, pipeline and boiler, when a reactor pressurization stops, energy in use pipeline this moment is as the initial energy of another reactor, when pipeline pressure is lower than 1.0～1.3MPa, open again boiler and continue pressurization, use implement device by the initial energy significantly energy-conservation, described heating plant with this to two reactor alternately heatings and control.
2. a kind of Intelligent organic solid waste subcritical hydrolysis as claimed in claim 1 is processed energy conserving system, it is characterized in that: described energy circulation system comprises and also comprises accumulator still, described two reactors are reactor A and reactor B, after described reactor A and the reactor B parallel connection, criticize the designing requirement of row formula by order, be connected to described energy conserving system, mass transport is to reactor A, making time is 15-30 minute, before A reactor material input is finished, open boiler, thereby boiler makes reactor be in subcritical state by closed conduit to A reactor delivering vapor, after material drops into and finishes, boiler valve on the described boiler and A reactor intake valve AV-1 open, boiler by closed conduit to A reactor delivering vapor, afterreaction still inside reached designated value in 15-30 minute, pressure is 1.3～3MPa, temperature is 130～300 ℃, enter temperature and keep the stage, this moment, the B reactor began to feed intake, the A reactor maintenance stage keeps and material was processed in 30 minutes, boiler valve and A reactor intake valve AV-1 close the beginning release after finishing, the steam of discharging enters accumulator still, process for lower batch of material as supplementary energy, B reactor intake valve AV-2 opens simultaneously, makes the heat of storage in the pipeline enter the B reactor, opens boiler valve and continue to heat to designated value when pipeline pressure is lower than 1.0～1.3MPa.The heat of storage uses the energy-conservation effect of having played as the initial energy of B reactor in the pipeline, B reactor inside reaches designated value, pressure is 1.3～3MPa, temperature is 130～300 ℃, enter temperature and keep the stage, beginning discharging after the pressure release of A reactor is finished, the B temperature of reaction kettle keeps beginning pressure release after 30 minutes, this moment, the A reactor began to feed intake, and back and forth was disposed to all materials with this.
3. a kind of Intelligent organic solid waste subcritical hydrolysis as claimed in claim 1 is processed energy conserving system, it is characterized in that: described main processing reaction still outer setting thermal jacket arranges pressure sensor, temperature sensor, charging ball valve actuator, air inlet ball valve actuator, venting ball valve actuator, discharge ball valve actuator on the kettle.
4. a kind of Intelligent organic solid waste subcritical hydrolysis as claimed in claim 3 is processed energy conserving system, it is characterized in that: described intelligent device for automatically controlling makes the reaction formation order in the main processing reaction still criticize the reaction of row formula by the control to described charging ball valve actuator and discharge ball valve actuator, air inlet ball valve actuator and venting ball valve actuator; Make in the main processing reaction still pressure and temperature keep normal by the control to pressure sensor and temperature sensor, and do emergent the preparation; Realize that by intelligent control interface telemonitoring and control need.
5. a kind of Intelligent organic solid waste subcritical hydrolysis as claimed in claim 1 is processed energy conserving system, it is characterized in that: described heating plant comprises steam generator and hot media heater, when the required reaction condition for the treatment of material is lower than 210 ℃, during 2MPa, uses steam generator to carry out steam heating; When the required reaction condition for the treatment of material is higher than 210 ℃, during 2MPa, carries out steam generator and hot media heater combined heat.
6. a kind of Intelligent organic solid waste subcritical hydrolysis as claimed in claim 2 is processed energy conserving system, it is characterized in that: described energy conserving system utilizes A reactor and B reactor, carry out heat supply by a boiler, configuration A reactor and B reactor can carry out service work under system running state, the system of keeping works continuously to guarantee production efficiency, by between a plurality of numerical control electromagnetic valves and a plurality of pressure detecting table, carrying out the signals collecting of each equipment state, after signals collecting, feed back to PLC equipment and transfer to middle control computer and operate resolution according to the requirement of setting, boiler can heat water to 200 ℃ and be forced into the pressure condition of 2.0MPa after unlatching, cruise Control Module is after obtaining the state of boiler, requiring automatically to open numerical control electromagnetic valve according to execute-in-place is added to steam in the described accumulator still, and open simultaneously magnetic valve steam is inputed in the A reactor, the condition that the temperature and pressure of A reactor inside is promoted to setting is that temperature is 180 ℃, pressure is 1.8MPa, the control computer cuts off magnetic valve immediately in rear, stop the running of boiler, after waiting for that the B reactor is reinforced complete and satisfying working condition, middle control computer can carry out according to the pressure condition of B reactor and accumulator still the mode of operation of circulating energy-saving, the B reactor operation condition of having no idea to satisfy immediately, middle control computer will be judged according to the data of setting and stops steam generator to reduce the loss of the energy, and collect rapidly steam in the accumulator still, namely close the pipeline of accumulator still connection steam generator and two reactors, after the B reactor satisfies treatment conditions, middle control computer is opened the jet chimney that accumulator still advances the B reactor automatically, and temperature and the pressure condition of Real-Time Monitoring accumulator still and B reactor, quantity of steam in detecting accumulator still reduces to some degree and B reactor can't satisfy operation condition the time, and middle control computer can start voluntarily steam generator and continue to the pressurization of heating of B reactor.
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Cited By (4)
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| CN104259177A (en) * | 2014-09-12 | 2015-01-07 | 湖南树林环境科技有限公司 | Method for producing soil conditioner raw material by using kitchen garbage and solid agriculture and forestry wastes |
| CN109355507A (en) * | 2018-12-03 | 2019-02-19 | 英德市鸿星有色金属再生资源利用有限公司 | A kind of efficient smelting furnace energy conserving system and energy saving smelting technology |
| WO2020252683A1 (en) * | 2019-06-19 | 2020-12-24 | The Hong Kong Research Institute Of Textiles And Apparel Limited | Method and system for recovering fibers from fibrous products |
| CN114985434A (en) * | 2022-06-06 | 2022-09-02 | 杭州坤灵环境技术有限公司 | Subsequent substance and energy comprehensive utilization process of organic residue hydrolysis treatment device |
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| CN102974593B (en) | 2015-03-04 |
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