CN109000150B - Continuous discharging system and method for pressurized fluid of pressure container - Google Patents
Continuous discharging system and method for pressurized fluid of pressure container Download PDFInfo
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- CN109000150B CN109000150B CN201811030822.9A CN201811030822A CN109000150B CN 109000150 B CN109000150 B CN 109000150B CN 201811030822 A CN201811030822 A CN 201811030822A CN 109000150 B CN109000150 B CN 109000150B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/046—Methods for emptying or filling by even emptying or filling
Abstract
The invention relates to a continuous discharging system and method for pressurized fluid of a pressure vessel, which is characterized by comprising the following steps: conveying the material to a first pressure container, and stirring and mixing the material with the residual pressure gas; conveying the material in the first pressure container to a second pressure container; introducing pressure gas into the second pressure container to enable the materials to complete reaction; introducing pressure gas into the third pressure container and keeping the pressure in the second pressure container and the third pressure container the same; conveying the material to a third pressure vessel; keeping the pressure in the third pressure container stable, and conveying the residual pressure gas to the first pressure container; introducing pressure gas into the fourth pressure container and keeping the pressure in the third pressure container and the fourth pressure container the same; when the third pressure container reaches the preset temperature and pressure, the third pressure container stops feeding and starts pressure relief, and the third pressure container and the fourth pressure container are alternately used to realize continuous self-flow discharging of materials.
Description
Technical Field
The invention relates to a continuous discharging system and method for pressurized fluid of a pressure container, belonging to the technical field of chemical engineering or pressure containers.
Background
The pressure container is a closed container which contains gas or liquid and bears certain pressure. The pressure vessel has wide application, and is mainly used for heat transfer, mass transfer, reaction and other processes in the fields of chemical industry and petrochemical industry.
At present, the existing pressure vessels all adopt intermittent operation to realize a series of processes such as feeding, reaction, pressure relief and discharging of fluid materials, but have a plurality of defects in the actual production process: 1) because the inside or the outside of pressure vessel has certain pressure, in some application fields, in order to ensure the safety in the use process, the pressure vessel needs to discharge the material after the pressure relief, namely the treatment process of the material needs to be circulated and operated in cycles through a complete work cycle of feeding, pressurizing, reacting and discharging, which results in longer production period and lower material treatment efficiency of the whole process. 2) The pressure raising process of the pressure container needs to consume a large amount of air sources, if the pressure container needs to provide air sources or energy media again to ensure the pressure and the temperature of the reaction container every time the pressure container completes the material treatment process, a large amount of energy sources are needed to be supplied, and the energy consumption and the operation cost are high. 3) The heat released in the pressure relief process of the pressure container before discharging each time can not be effectively recycled in time, and serious resource waste is caused.
Disclosure of Invention
In view of the above problems, the present invention provides a continuous discharging system and method for pressurized fluid in a pressure vessel, which has high material processing efficiency and low energy consumption and operation cost.
In order to achieve the purpose, the invention adopts the following technical scheme: a continuous discharging system for pressurized fluid in a pressure container is characterized by comprising a first pressure container, a second pressure container, a third stirring device, a fourth stirring device, a receiving pool and a gas source device, wherein the first stirring device, the second stirring device, the third stirring device, the fourth stirring device, the receiving pool and the gas source device; the first stirring device is arranged in the first pressure container, the discharge hole of the first pressure container is connected with the feed hole of the second pressure container through a material feed pump, the second stirring device is arranged in the second pressure container, the discharge hole of the second pressure container is connected with the feed holes of the third pressure container and the fourth pressure container in parallel, and the discharge holes of the third pressure container and the fourth pressure container are connected with the receiving pool in parallel; the air outlet of the air source device is connected with the air inlets of the second pressure container, the third pressure container and the fourth pressure container in parallel, and the air outlets of the third pressure container and the fourth pressure container are connected with the air inlet of the first pressure container in parallel; temperature sensors are arranged in the first pressure container, the second pressure container, the fourth pressure container, the pressure sensor and the liquid level meter or the material level meter.
Further, the feed inlet and the air inlet of the second pressure vessel are both arranged at the bottom of the second pressure vessel, and the discharge outlet of the second pressure vessel is arranged at the upper part of the second pressure vessel.
Further, a safety valve is arranged at the top of the second pressure container.
Furthermore, openings for inputting the corresponding liquid level meter or the corresponding level meter are formed in the second pressure container, the third pressure container and the fourth pressure container.
A method for continuously discharging fluid under pressure from a pressure vessel is characterized by comprising the following steps: conveying the material to a first pressure container, starting a first stirring device, stirring and mixing the material in the first pressure container and residual pressure gas generated by subsequent treatment, and monitoring the temperature in the first pressure container in real time by a temperature sensor; starting a material feeding pump, and conveying the material in the first pressure container to a second pressure container through the material feeding pump; starting a second stirring device, introducing pressure gas in a gas source device into a second pressure container, monitoring the temperature and the pressure in the second pressure container and the liquid level or the material level of the material in real time by a temperature sensor, a pressure sensor and a liquid level meter or a material level meter, and stirring and mixing the material and the pressure gas by the second stirring device to enable the material to complete reaction; when the material in the second pressure container reaches a preset liquid level or material level, introducing pressure gas into the third pressure container, and keeping the pressure in the second pressure container and the third pressure container the same; when the second pressure vessel reaches a preset temperature and pressure, conveying the material from the second pressure vessel to a third pressure vessel; the temperature sensor, the pressure sensor and the liquid level meter or the material level meter monitor the temperature, the pressure and the liquid level or the material level of the third pressure container in real time; when the material in the third pressure container reaches a preset liquid level or material level, the pressure in the third pressure container is kept stable, and released residual pressure gas is conveyed to the first pressure container; meanwhile, introducing pressure gas into the fourth pressure container, and keeping the pressure in the third pressure container and the fourth pressure container the same; when the third pressure container reaches the preset temperature and pressure, the third pressure container stops feeding and starts pressure relief, the materials are conveyed from the second pressure container to the fourth pressure container, and the materials in the third pressure container are discharged to the receiving pool; the temperature sensor, the pressure sensor and the liquid level meter or the material level meter monitor the temperature, the pressure and the liquid level or the material level of the fourth pressure container in real time; when the material in the fourth pressure container reaches a preset liquid level or material level, the pressure in the fourth pressure container is kept stable, and released residual pressure gas is conveyed to the first pressure container; meanwhile, introducing pressure gas into the third pressure container, and keeping the pressure in the third pressure container and the pressure in the fourth pressure container the same; when the fourth pressure container reaches the preset temperature and pressure, the fourth pressure container stops feeding and starts pressure relief, the materials are conveyed to the third pressure container from the second pressure container, the materials in the fourth pressure container are discharged to the receiving pool, the third pressure container and the fourth pressure container are alternately used, and continuous self-flow discharging of the materials is achieved.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. according to the invention, the third pressure container and the fourth pressure container of the two auxiliary pressure containers are arranged behind the second pressure container of the main pressure container, and the first regulating valve and the second regulating valve are used for controlling the air pressure in the main pressure container and the air pressure in the auxiliary pressure container to be the same and stable, so that the continuous discharge of the pressurized fluid material in the main pressure container is realized, the composition number of the main pressure container is reduced, the material processing efficiency is greatly improved, the processing period is shortened, the operation cost is reduced, and the application field of the reaction material under the condition of certain pressure environment is greatly improved in the material feeding and discharging mode and the processing efficiency. 2. The second pressure container adopts a low-in-high-out mode, so that materials can be prevented from flowing out of the second pressure container quickly, and because pressure gas enters the second pressure container from the bottom, the materials at the bottom of the second pressure container are heated firstly, and then the materials in the second pressure container are stirred and mixed with the pressure gas by the second stirring device, so that the materials are heated in the second pressure container quickly and are stirred uniformly. 3. The invention leads the residual pressure gas in the reaction process into the first pressure container again for secondary utilization, controls the pressure in each pressure container by opening and closing the valve after the materials complete the relevant reaction in the second pressure container, automatically flows into the third pressure container or the fourth pressure container, realizes the continuous self-flow discharging of the materials by the alternate use of the third pressure container and the fourth pressure container, has no secondary pollution and resource waste, and can be widely applied to the technical field of chemical industry or pressure containers.
Drawings
FIG. 1 is a schematic view of the continuous discharging system of the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings. It is to be understood, however, that the drawings are provided solely for the purposes of promoting an understanding of the invention and that they are not to be construed as limiting the invention. In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in figure 1, the continuous discharging system for the pressurized fluid in the pressure container provided by the invention comprises first to fourth pressure containers V1 to V4, first to second stirring devices M1 to M2, first to fourth temperature sensors TT1 to TT4, a material feeding pump Pu1, first to third pressure sensors PRA1 to PRA3, first to third liquid level meters or level meters LL1 to LL3, a receiving pool R and a gas source device A.
A first stirring device M1 and a first temperature sensor TT1 are arranged in the first pressure vessel V1, the first stirring device M1 is used for stirring materials in the first pressure vessel V1, and the first temperature sensor TT1 is used for monitoring the temperature in the first pressure vessel V1 in real time. A bottom discharge port of the first pressure vessel V1 is connected with a bottom feed port of the second pressure vessel V2 sequentially through a first valve F1, a material feed pump Pu1, a second valve F2 and a check valve F3, a second stirring device M2, a first pressure sensor PRA1, a second temperature sensor TT2 and a first liquid level meter or level meter LL1 are arranged in the second pressure vessel V2, the second stirring device M2 is used for stirring materials in the second pressure vessel V2, the first pressure sensor PRA1 is used for monitoring the pressure in the second pressure vessel V2 in real time, the second temperature sensor TT2 is used for monitoring the temperature in the second level vessel V2 in real time, and the first liquid level meter or level meter 1 is used for monitoring the liquid level or level of materials in the second pressure vessel V2 in real time. An upper discharge port of the second pressure vessel V2 is connected with an upper feed port of a third pressure vessel V3 through a third valve F4, a second pressure sensor PRA2, a third temperature sensor TT3 and a second liquid level meter or level meter LL2 are arranged in the third pressure vessel V3, the second pressure sensor PRA2 is used for monitoring the pressure in the third pressure vessel V3 in real time, the third temperature sensor TT3 is used for monitoring the temperature in the third pressure vessel V3 in real time, and the second liquid level meter or level meter LL2 is used for monitoring the liquid level or level of the material in the third pressure vessel V3 in real time. The bottom outlet of the third pressure vessel V3 is connected to the receiving tank R through a fourth valve F5. The upper discharge port of the second pressure vessel V2 is further connected to the upper feed port of a fourth pressure vessel V4 through a fifth valve F6, a third pressure sensor PRA3, a fourth temperature sensor TT4 and a third liquid level meter or level meter LL3 are disposed in the fourth pressure vessel V4, the third pressure sensor PRA3 is used for monitoring the pressure in the fourth pressure vessel V4 in real time, the fourth temperature sensor TT4 is used for monitoring the temperature in the fourth pressure vessel V4 in real time, and the third liquid level meter or level meter LL3 is used for monitoring the liquid level or level of the material in the fourth pressure vessel V4 in real time. The bottom outlet of the fourth pressure vessel V4 is connected to the receiving tank R through a sixth valve F7.
The second pressure vessel V2, the third pressure vessel V3 and the fourth pressure vessel V4 are all provided with an air inlet and an air outlet, the air outlet of the air source device A is connected with the bottom air inlet of the second pressure vessel V2 through a seventh valve F8, is connected with the middle air inlet of the third pressure vessel V3 through an eighth valve F9 and is connected with the middle air inlet of the fourth pressure vessel V4 through a ninth valve F10, and the air source device A is used for introducing pressure gas (saturated steam or compressed air) into the second pressure vessel V2, the third pressure vessel V3 and the fourth pressure vessel V4. The top air outlet of the third pressure vessel V3 is connected with the lower air inlet of the first pressure vessel V1 through a first regulating valve F11, and the top air outlet of the fourth pressure vessel V4 is connected with the lower air inlet of the first pressure vessel V1 through a second regulating valve F12.
In a preferred embodiment, the first to ninth valves F1 to F10 may be valves such as electric valves or manual ball valves, which can open and close the pipeline and control the flow direction.
In a preferred embodiment, the second to third pressure vessels V2 to V4 are each provided with an opening for receiving the corresponding first to third level gauges or level gauges LL1 to LL 3.
In a preferred embodiment, the top of the second pressure vessel V2 is provided with a safety valve F13 for overload protection.
Based on the continuous discharging system for the pressurized fluid of the pressure vessel, the invention also provides a continuous discharging method for the pressurized fluid of the pressure vessel, which comprises the following steps:
1) the materials are conveyed into the first pressure vessel V1 through a pumping device or other conveying devices, a first stirring device M1 is started, the materials in the first pressure vessel V1 are stirred and mixed with residual pressure gas generated by subsequent treatment, and a first temperature sensor TT1 monitors the temperature in the first pressure vessel V1 in real time.
2) The first valve F1 and the second valve F2 are opened, the material in the first pressure vessel V1 of the material feed pump Pu1 is conveyed to the second pressure vessel V2 through the material feed pump Pu1, and as the material inlet is arranged at the bottom of the second pressure vessel V2 and the material outlet is arranged at the upper part of the pressure vessel V2, the material can be prevented from flowing out of the second pressure vessel V2 quickly in a low-in-high mode.
3) Opening the seventh valve F8 and the second stirring device M2, introducing pressure gas such as saturated high-temperature steam in the gas source device a into the second pressure vessel V2, so that the temperature and the pressure in the second pressure vessel V2 are continuously raised, and as the steam enters the second pressure vessel V2 from the bottom, the material at the bottom of the second pressure vessel V2 is heated first, and the material in the second pressure vessel V2 is stirred and mixed with the saturated high-temperature steam by the second stirring device M2, so that the material is heated quickly and stirred uniformly.
3) The second temperature sensor TT2, the first pressure sensor PRA1 and the first liquid level meter or level meter LL1 monitor the temperature, the pressure and the liquid level or the level of the material in the second pressure vessel V2 in real time, the material is continuously conveyed into the second pressure vessel V2 through a feeding hole, the material at the bottom of the second pressure vessel V2 is pushed to an upper discharging hole of the second pressure vessel V2, meanwhile, the second stirring device M2 stirs and mixes the material with saturated high-temperature steam, so that the material completes the reaction in the flowing process, the second pressure vessel V2 is a main reaction device of the material, and the residence time of the material in the second pressure vessel V2 can be reasonably set according to the volume and the material handling capacity.
4) When the material in the second pressure vessel V2 reaches a preset liquid level or material level, the material reaction is complete, the eighth valve F9 is opened, saturated high-temperature steam is introduced into the third pressure vessel V3, pressure preparation is started, so that the pressure in the third pressure vessel V3 is increased, and the pressure in the second pressure vessel V2 and the pressure in the third pressure vessel V3 are kept the same, so that the material can flow automatically into the third pressure vessel V3 continuously; when the second pressure vessel V2 reaches the preset temperature and pressure, the third valve F4 is opened and material is transferred from the second pressure vessel V2 to the third pressure vessel V3.
5) The third temperature sensor TT3, the second pressure sensor PRA2 and the second level gauge or level gauge LL2 monitor the temperature, pressure and level or level of the material within the third pressure vessel V3 in real time. When the material in the third pressure vessel V3 reaches a preset liquid level or material level, the first regulating valve F11 is opened, the closing degree of the first regulating valve F11 is regulated to keep the pressure in the third pressure vessel V3 stable, and the released waste steam is conveyed into the first pressure vessel V1 for secondary utilization; meanwhile, when the material in the third pressure vessel V3 reaches a preset liquid level or material level, the ninth valve F10 is opened, saturated high-temperature steam is introduced into the fourth pressure vessel V4, pressure preparation is started, so that the pressure in the fourth pressure vessel V4 is increased, and the pressure in the third pressure vessel V3 and the pressure in the fourth pressure vessel V4 are kept the same, so that the material can flow into the fourth pressure vessel V4 by gravity continuously.
6) When the third pressure vessel V3 reaches the preset temperature and pressure, the fifth valve F6 is opened, the third valve F4 is closed, the third pressure vessel V3 stops feeding and starts pressure relief, and the material is transferred from the second pressure vessel V2 to the fourth pressure vessel V4.
7) When the pressure is relieved to a certain degree, the fourth valve F5 is opened, and the materials in the third pressure container V3 are discharged to the receiving pool R through residual pressure.
8) The fourth temperature sensor TT4, the third pressure sensor PRA3 and the third liquid level meter or level meter LL3 monitor the temperature, the pressure and the liquid level or the level of the material in the fourth pressure container V4 in real time, when the material in the fourth pressure container V4 reaches the preset liquid level or level, the second regulating valve F12 is opened, the closing degree of the second regulating valve F12 is regulated to keep the pressure in the fourth pressure container V4 stable, and the released waste steam is conveyed into the first pressure container V1 for secondary use; meanwhile, when the material in the fourth pressure vessel V4 reaches a preset liquid level or material level, the eighth valve F9 is opened, saturated high-temperature steam is introduced into the third pressure vessel V3, pressure preparation is started, so that the pressure in the third pressure vessel V3 is increased, and the pressure in the third pressure vessel V3 and the pressure in the fourth pressure vessel V4 are kept the same, so that the material can flow into the third pressure vessel V3 by gravity continuously.
9) When the fourth pressure vessel V4 reaches the preset temperature and pressure, the third valve F4 is opened, the fifth valve F6 is closed, the fourth pressure vessel V4 stops feeding and starts pressure relief, and the material is conveyed from the second pressure vessel V2 to the third pressure vessel V3.
10) When the pressure is relieved to a certain degree, the sixth valve F7 is opened, the materials in the fourth pressure container V4 are discharged to the receiving pool R through residual pressure, and the third pressure container V3 and the fourth pressure container V3 are alternately used, so that the continuous self-flow discharging of the materials is realized.
The above embodiments are only used for illustrating the present invention, and the structure, connection mode, manufacturing process, etc. of the components may be changed, and all equivalent changes and modifications performed on the basis of the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims (5)
1. A continuous discharging system for pressurized fluid in a pressure container is characterized by comprising a first pressure container, a second pressure container, a third stirring device, a fourth stirring device, a receiving pool and a gas source device, wherein the first stirring device, the second stirring device, the third stirring device, the fourth stirring device, the receiving pool and the gas source device;
the first stirring device is arranged in the first pressure container, a bottom discharge port of the first pressure container is connected with a bottom feed port of the second pressure container through a material feed pump, the second stirring device is arranged in the second pressure container, an upper discharge port of the second pressure container is connected with feed ports of the third pressure container and the fourth pressure container in parallel, and discharge ports of the third pressure container and the fourth pressure container are connected with the receiving pool in parallel;
the air outlet of the air source device is connected with the bottom air inlet of the second pressure container, the middle air inlet of the third pressure container and the middle air inlet of the fourth pressure container in parallel, and the air outlets of the third pressure container and the fourth pressure container are connected with the air inlet of the first pressure container in parallel;
temperature sensors are arranged in the first pressure container, the second pressure container, the fourth pressure container, the pressure sensor and the liquid level meter or the material level meter.
2. The system for continuously discharging pressurized fluid from a pressure vessel as claimed in claim 1, wherein the inlet port and the inlet port of the second pressure vessel are both disposed at the bottom of the second pressure vessel, and the outlet port of the second pressure vessel is disposed at the upper part of the second pressure vessel.
3. The system for continuously discharging a pressurized fluid from a pressure vessel as claimed in claim 1, wherein a safety valve is provided at the top of said second pressure vessel.
4. The system according to any one of claims 1 to 3, wherein the second to fourth pressure vessels are each provided with an opening for receiving the corresponding level gauge or level gauge.
5. A method for continuously discharging fluid under pressure from a pressure vessel is characterized by comprising the following steps:
conveying the material to a first pressure container, starting a first stirring device, stirring and mixing the material in the first pressure container and residual pressure gas generated by subsequent treatment, and monitoring the temperature in the first pressure container in real time by a temperature sensor;
starting a material feeding pump, and conveying the material in the first pressure container to a second pressure container through the material feeding pump;
starting a second stirring device, introducing pressure gas in a gas source device into a second pressure container, monitoring the temperature and the pressure in the second pressure container and the liquid level or the material level of the material in real time by a temperature sensor, a pressure sensor and a liquid level meter or a material level meter, and stirring and mixing the material and the pressure gas by the second stirring device to enable the material to complete reaction;
when the material in the second pressure container reaches a preset liquid level or material level, introducing pressure gas into the third pressure container, and keeping the pressure in the second pressure container and the third pressure container the same;
when the second pressure vessel reaches a preset temperature and pressure, conveying the material from the second pressure vessel to a third pressure vessel;
the temperature sensor, the pressure sensor and the liquid level meter or the material level meter monitor the temperature, the pressure and the liquid level or the material level of the third pressure container in real time; when the material in the third pressure container reaches a preset liquid level or material level, the pressure in the third pressure container is kept stable, and released residual pressure gas is conveyed to the first pressure container; meanwhile, introducing pressure gas into the fourth pressure container, and keeping the pressure in the third pressure container and the fourth pressure container the same;
when the third pressure container reaches the preset temperature and pressure, the third pressure container stops feeding and starts pressure relief, the materials are conveyed from the second pressure container to the fourth pressure container, and the materials in the third pressure container are discharged to the receiving pool;
the temperature sensor, the pressure sensor and the liquid level meter or the material level meter monitor the temperature, the pressure and the liquid level or the material level of the fourth pressure container in real time; when the material in the fourth pressure container reaches a preset liquid level or material level, the pressure in the fourth pressure container is kept stable, and released residual pressure gas is conveyed to the first pressure container; meanwhile, introducing pressure gas into the third pressure container, and keeping the pressure in the third pressure container and the pressure in the fourth pressure container the same;
when the fourth pressure container reaches the preset temperature and pressure, the fourth pressure container stops feeding and starts pressure relief, the materials are conveyed to the third pressure container from the second pressure container, the materials in the fourth pressure container are discharged to the receiving pool, the third pressure container and the fourth pressure container are alternately used, and continuous self-flow discharging of the materials is achieved.
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| CN201811030822.9A CN109000150B (en) | 2018-09-05 | 2018-09-05 | Continuous discharging system and method for pressurized fluid of pressure container |
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| CN201811030822.9A CN109000150B (en) | 2018-09-05 | 2018-09-05 | Continuous discharging system and method for pressurized fluid of pressure container |
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| CN109000150B true CN109000150B (en) | 2020-11-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4507127A (en) * | 1981-12-21 | 1985-03-26 | Nippon Furnace Kogyo Co., Ltd. | System for recovering resources from sludge |
| CN202688157U (en) * | 2012-04-01 | 2013-01-23 | 北京健坤伟华新能源科技有限公司 | Continuous type hydrothermal-flash evaporation device for municipal sludge |
| DE102013100081A1 (en) * | 2013-01-07 | 2014-07-10 | Patrick von Hertzberg, Stefan Bothur und Thomas Müller Rechteverwertung GbR (vertretungsberechtigte Gesellschafter: Patrick von Hertzberg, 14469 Potsdam, Thomas Müller, 01129 Dresden) | Process for solvolysis of aqueous organic suspensions and solutions to concentrated, aqueous, black liquor-like and / or salt-like solutions of organic compounds |
| CN204689852U (en) * | 2015-05-26 | 2015-10-07 | 李彦 | Continuous flow sludge thermal hydrolysis treatment unit |
| CN106608705A (en) * | 2016-03-18 | 2017-05-03 | 陕西创源石油科技有限公司 | Oil sludge reduction equipment |
| CN106119290A (en) * | 2016-07-12 | 2016-11-16 | 南京慧淳环保科技有限公司 | A kind of ring medium ring two-stage integral anaerobic fermentation process |
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