CN103771549A - Multifunctional supercritical water technical experimental system - Google Patents
Multifunctional supercritical water technical experimental system Download PDFInfo
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- CN103771549A CN103771549A CN201410035261.7A CN201410035261A CN103771549A CN 103771549 A CN103771549 A CN 103771549A CN 201410035261 A CN201410035261 A CN 201410035261A CN 103771549 A CN103771549 A CN 103771549A
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Abstract
The invention discloses a multifunctional supercritical water technical experimental system which integrates an evaporation wall type reactor, a cold wall type reactor, a tubular reactor, an evaporation wall type hydrothermal combustion reactor, a cold wall type hydrothermal combustion reactor and a flow induced corrosion reactor, and can be used for conducting experiment researches on gasification, oxidation and partially oxidation of supercritical water in different reactors for municipal sludge and organic wastewater, and can be further used for conducting experiment researches on flow induced corrosion of materials for municipal sludge and organic wastewater. Compared with the prior art, the system is good in integration, comprehensive in function and simple and convenient to operate.
Description
Technical field
The invention belongs to supercritical water technical field, relate to a kind of multi-functional supercritical water technology experiment system, particularly supercritical water oxidation, gasification and the partial oxidation experimental system of a kind of integrated evaporation wall type reactor, cold wall type reactor, tubular reactor, hydro-thermal combustion reactor and Flow Corrosion reactor.
Background technology
In recent decades, supercritical water technical development is rapid, has been widely used in the field such as innoxious governance and renewable energy utilization of municipal sludge and organic waste water.According to the difference that adds oxidant content, supercritical water technology comprises supercritical water oxidation, supercritical water gasification and supercritical water partial oxidation technology.The reactor that is applied at present supercritical water technical study field comprises tubular reactor, evaporation wall reactor, cold wall type reactor and hydro-thermal combustion reactor etc.
Tubular reactor is simple in structure, is easy to realize, but easily suffers Corrosion blockage.Evaporation wall type reactor is a kind of new supercritical water reaction device.The reactor wall of this reactor is made up of two-layer, and inner tube is porous evaporator wall, and outer tube is pressure-bearing wall.In the annular space of inner and outer pipes, be full of evaporation wall water, in the reaction zone that organic waste water and oxygen surround in inner tube, react.Evaporation wall water infiltrates by the micropore of inner tube, can form a kind of thin protectiveness moisture film at the internal surface of inner tube, thereby stops organic waste water and oxygen contact reactor inwall, reaches the object that prevents salt sedimentation and corrosion.
Cold wall type reactor is similar with evaporation wall type structure of reactor, and wall also has inside and outside two-layer formation, and inner tube is water wall, and outer tube is pressure-bearing wall.Water coolant flows in the annular space of inner and outer pipes, cooling and protect pressure-bearing wall.Hydro-thermal burning is a kind of new combustion system, refers to that the oxidizing reaction of organism in supercritical water carried out with the form of flame when temperature is during higher than organic spontaneous ignition temperature.
Hydro-thermal combustion reactor is showing following advantage aspect processing organic waste: (1) reactor volume is little.Organism can be degradable within the residence time that is less than 1 second, and then effectively reduced the volume of reactor.(2) inlet feed temperature approaches under room temperature condition and reacts and still can carry out, thereby has avoided obstruction and the etching problem of material at pre-heating stage.(3) energy is integrated, is conducive to the energy recovery of supercritical water oxidation process.(4) hydro-thermal flame temperature is higher, and the hard-degraded substances such as ammonia, acetic acid can thoroughly be degraded.And integrated above-mentioned all multiple reactors have no report in the multi-functional supercritical water system of one at present.
Corrosion is the one of the main reasons that supercritical water technology is difficult to apply, and Flow Corrosion is the major reason that accelerated corrosion destroys.Wherein, in the turbulent region at channel bend, threeway and the reducing place of system, Flow Corrosion is particularly serious.But still lack the experimental system for studying the corrosion of condition of supercritical water current downflow at present.
Existing experimental system function singleness, also do not have a kind of experimental system can realize can condition of supercritical water under the kinds of experiments of municipal sludge and organic waste water.
Summary of the invention
The object of the present invention is to provide a kind of multi-functional supercritical water technology experiment system, this experimental system is integrated evaporation wall type reactor, cold wall type reactor, hydro-thermal combustion reactor, tubular reactor and Flow Corrosion reactor, can realize the multiple supercritical water technology experiment research function of municipal sludge and organic waste water.This experimental system can be carried out following experiment: supercritical water gasification, oxidation and partial oxidation experiment in evaporation wall type reactor; Supercritical water gasification, oxidation and partial oxidation experiment in cold wall type reactor; Supercritical water oxidation experiment in hydro-thermal combustion reactor; Supercritical water gasification, oxidation and partial oxidation experiment in tubular reactor; Material Flow Corrosion experiment under supercritical water gasification, oxidation and partial oxidation condition.
In order to achieve the above object, the present invention is achieved by the following technical solutions:
A kind of multi-functional supercritical water technology experiment system, comprises methanol solution storage tank, material storage tank, superoxol storage tank, clear water storage tank, methanol solution preheater, material preheater, superoxol preheater, clear water preheater, evaporation wall or cold wall type reactor, hydro-thermal combustion reactor, tubular reactor, angie type reactor, straight reactor, reactor, water cooler, back pressure valve, gas meter, gas-liquid separator, mixing tank, methanol solution pump, product pump, superoxol pump and fresh water pump;
The outlet of methanol solution storage tank connects the entrance of methanol solution pump, and methanol solution pump outlet is connected with the entrance of methanol solution preheater, and the outlet of methanol solution preheater is connected with the fuel inlet of hydro-thermal combustion reactor;
The outlet of material storage tank connects the entrance of product pump, and material pump outlet is connected with the entrance of material preheater, and the outlet of material preheater is divided into three strands: one is connected with the material inlet of evaporation wall or cold wall type reactor; One is connected with the material inlet of hydro-thermal combustion reactor; One is connected with the material inlet of mixing tank;
The outlet of superoxol storage tank connects the entrance of superoxol pump, superoxol pump outlet is connected with the entrance of superoxol preheater, and the outlet of superoxol preheater is divided into three strands: one is connected with the oxidant inlet of evaporation wall or cold wall type reactor; One is connected with the oxidant inlet of hydro-thermal combustion reactor; One is connected with the oxidant inlet of mixing tank;
Clear water is stored in clear water storage tank, and the outlet of clear water storage tank connects the entrance of fresh water pump, and clear water pump outlet is connected with the entrance of clear water preheater, and the outlet of clear water preheater is divided into two strands: one is connected with the clear water entrance of evaporation wall or cold wall type reactor; One is connected with the clear water entrance of hydro-thermal combustion reactor;
The outlet of mixing tank is divided into three strands: one is connected with the entrance of tubular reactor, and one is connected with the entrance of angie type reactor, and one is connected with the entrance of reactor; The outlet of angie type reactor is connected with the entrance of straight reactor;
After converging, the outlet of evaporation wall or cold wall type reactor reaction device, the outlet of hydro-thermal combustion reactor, the outlet of tubular reactor, the outlet of straight reactor and the outlet of reactor be connected with the import of water cooler, the outlet of water cooler is connected with the entrance of back pressure valve, the outlet of back pressure valve connects the import of gas-liquid separator, and the pneumatic outlet of gas-liquid separator connects gas meter.
The present invention further improves and is: the wall of evaporation wall or cold wall type reactor is two-layerly made up of inside and outside, and skin be pressure-bearing wall, detachable porous evaporator wall or the water wall of being provided with of internal layer, and formation is evaporated wall type reactor or cold wall type reactor.
The present invention further improves and is: the wall of hydro-thermal combustion reactor is two-layerly made up of inside and outside, and skin be pressure-bearing wall, detachable porous evaporator wall or the water wall of being provided with of internal layer, and formation is evaporated wall type hydro-thermal combustion reactor or cold wall type hydro-thermal combustion reactor.
The present invention further improves and is: the Flow Corrosion reactor that is jointly made up of this system angie type reactor 11, straight reactor 12 and reactor 14.The import of angie type reactor and Way out are 90 °, and the import of described straight reactor and Way out are on same straight line.
The present invention further improves and is: the pipeline that the outlet of methanol solution preheater connects the fuel inlet of hydro-thermal combustion reactor is provided with the 6th stopping valve;
On three femoral canal roads of the material inlet of the outlet connection evaporation wall of material preheater or the material inlet of cold wall type reactor, hydro-thermal combustion reactor, the material inlet of mixing tank, be respectively equipped with the 3rd stopping valve, the 7th stopping valve and the 8th stopping valve;
On three femoral canal roads of the oxidant inlet of the outlet connection evaporation wall of superoxol preheater or cold wall type reactor, hydro-thermal combustion reactor, the oxidant inlet of mixing tank, be respectively equipped with the second stopping valve, the 5th stopping valve and the 9th stopping valve;
The outlet of clear water preheater connects between the clear water entrance of evaporation wall or cold wall type reactor, be respectively equipped with the first stopping valve, the 4th stopping valve on two femoral canal roads of the clear water entrance of hydro-thermal combustion reactor;
On three femoral canal roads of entrance, the entrance of angie type reactor and the entrance of reactor of the outlet connecting pipe formula reactor of mixing tank, be respectively equipped with the tenth stopping valve, the 11 stopping valve and the 13 stopping valve;
The outlet of evaporation wall or cold wall type reactor reaction device, the outlet of hydro-thermal combustion reactor, the outlet of tubular reactor, the outlet of straight reactor and the outlet of reactor are respectively arranged with the 15 stopping valve, the 16 stopping valve, the 17 stopping valve, the 12 stopping valve and the 14 stopping valve; Pipeline between the convergent point of the outlet of straight reactor and the outlet of reactor and the import of water cooler is provided with the 18 stopping valve.
The present invention further improves and is: while carrying out supercritical water gasification in evaporation wall type reactor of municipal sludge and organic waste water, oxidation and partial oxidation experiment, comprise the following steps:
(1) internal layer of evaporation wall or cold wall type reactor is replaced by porous evaporator wall, forms evaporation wall type reactor;
(2) open the first stopping valve, the second stopping valve, the 3rd stopping valve and the 15 stopping valve, close other stopping valve;
(3) material enters material preheater after product pump pressurization, enters evaporation wall type reactor through the material of preheating;
(4) quantitative superoxol enters preheater after pump pressurization, and the superoxol after preheating enters evaporation wall type reactor; If carry out supercritical water gasification experiment, skips steps diameter enters step;
(5) clear water enters preheater after fresh water pump pressurization, and the clear water after preheating enters evaporation wall type reactor as evaporation wall water; On evaporation wall type reactor, tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor;
(6) reacted fluid enters gas-liquid separator through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
The present invention further improves and is: while carrying out supercritical water gasification in cold wall type reactor of municipal sludge and organic waste water, oxidation and partial oxidation experiment, comprise the following steps:
(1) internal layer of evaporation wall or cold wall type reactor is replaced by water wall, forms cold wall type reactor;
(1) open the first stopping valve, the second stopping valve, the 3rd stopping valve and the 15 stopping valve, close other stopping valve;
(3) material enters material preheater after product pump pressurization, enters cold wall type reactor through the material of preheating;
(4) quantitative superoxol enters preheater after hydrogen peroxide pump pressurization, and the superoxol after preheating enters cold wall type reactor; If carry out supercritical water gasification experiment, skips steps diameter enters step;
(5) clear water enters preheater after fresh water pump pressurization, and the clear water after preheating enters cold wall type reactor; Tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on cold wall type reactor;
(6) reacted fluid enters gas-liquid separator through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
The present invention further improves and is: carry out municipal sludge and organic waste water in the time of the supercritical water oxidation experiment of evaporating in wall type hydro-thermal combustion reactor, specifically comprise the following steps:
(1) internal layer of hydro-thermal combustion reactor is replaced by porous evaporator wall, forms evaporation wall type hydro-thermal combustion reactor;
(2) open the 4th stopping valve, the 5th stopping valve, the 6th stopping valve, the 7th stopping valve and the 16 stopping valve, close other stopping valve;
(3) methanol solution enters preheater after the pressurization of methanol solution pump, enters the hydro-thermal combustion reactor with evaporation wall through the methanol solution of preheating;
(4) material enters material preheater after product pump pressurization, enters the hydro-thermal combustion reactor with evaporation wall through the material of preheating;
(5) superoxol enters preheater after the pressurization of superoxol pump, and the superoxol after preheating enters the hydro-thermal combustion reactor with evaporation wall;
(6) clear water enters preheater after fresh water pump pressurization, and the clear water after preheating enters the hydro-thermal combustion reactor with evaporation wall; Tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on the hydro-thermal combustion reactor with evaporation wall;
(7) reacted fluid enters gas-liquid separator through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
The present invention further improves and is: while carrying out the supercritical water oxidation experiment in cold wall type hydro-thermal combustion reactor of municipal sludge and organic waste water, specifically comprise following:
(1) internal layer of hydro-thermal combustion reactor is replaced by water wall, forms cold wall type hydro-thermal combustion reactor;
(2) open the 4th stopping valve, the 5th stopping valve, the 6th stopping valve, the 7th stopping valve and the 16 stopping valve, close other stopping valve;
(3) methanol solution enters preheater after the pressurization of methanol solution pump, enters cold wall type hydro-thermal combustion reactor through the methanol solution of preheating;
(4) material enters material preheater after product pump pressurization, enters cold wall type hydro-thermal combustion reactor through the material of preheating;
(5) superoxol enters preheater after the pressurization of superoxol pump, and the superoxol after preheating enters cold wall type hydro-thermal combustion reactor;
(6) clear water enters preheater after fresh water pump pressurization, and the clear water after preheating enters cold wall type hydro-thermal combustion reactor; Tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on cold wall type hydro-thermal combustion reactor;
(7) reacted fluid enters gas-liquid separator through cooling, step-down, carries out respectively afterwards gaseous product and product liquid sampling.
The present invention further improves and is: while carrying out supercritical water gasification in tubular reactor of municipal sludge and organic waste water, oxidation and partial oxidation experiment, specifically comprise the following steps:
(1) open the 8th stopping valve, the 9th stopping valve, the tenth stopping valve and the 17 stopping valve, close other stopping valve;
(2) material enters material preheater after product pump pressurization, enters tubular reactor through the material of preheating;
(3) superoxol enters preheater after the pressurization of superoxol pump, and the superoxol after preheating enters tubular reactor;
(4) reacted fluid enters gas-liquid separator through cooling, step-down, distinguishes afterwards gas sampled product and product liquid.
The present invention further improves and is: while carrying out the material Flow Corrosion experiment under supercritical water gasification, oxidation and partial oxidation condition of municipal sludge and organic waste water, etching reactor is made up of angie type reactor, straight reactor and reactor; It specifically comprises the following steps:
(1), open the 8th stopping valve, the 9th stopping valve, the 11 stopping valve and the 18 stopping valve, close other stopping valve; The corrosion sample of installing material in advance in angie type reactor and straight reactor; Waste water and superoxol through pressurization and preheating, pass through angie type reactor and straight reactor respectively successively after mixing; Reacted fluid enters gas-liquid separator through cooling, step-down, distinguishes afterwards gas sampled product and product liquid; After operation for some time, take out corrosion sample continuously;
(2) open the 8th stopping valve, the 9th stopping valve, the 13 stopping valve, the 14 stopping valve and the 18 stopping valve, close other stopping valve; The corrosion sample of suspension material in advance in reactor; Waste water and superoxol through pressurization and preheating, enter reactor respectively after mixing; Reacted fluid enters gas-liquid separator through cooling, step-down, distinguishes afterwards gas sampled product and product liquid; After operation for some time, take out corrosion sample continuously.
A kind of multifunctional experiment system for supercritical water technical study of the present invention, can carry out supercritical water gasification, oxidation and the partial oxidation experiment in evaporation wall type reactor of municipal sludge and organic waste water: the inner core of evaporation wall or cold wall type reactor is replaced by porous evaporator wall, and now reactor is evaporation wall type reactor.Material and superoxol enter the reaction zone of evaporation wall reactor after pressurization, preheating, and supercritical water reaction occurs.Clear water, as evaporation wall water, enters the annular space between reactor inner/outer tube, for the protection of pressure-bearing wall after pressurization preheating.
A kind of multifunctional experiment system for supercritical water technical study of the present invention, can carry out supercritical water gasification, oxidation and the partial oxidation experiment in cold wall type reactor of municipal sludge and organic waste water: the inner core of evaporation wall or cold wall type reactor is replaced by water wall, and now reactor is cold wall type reactor.Material and superoxol enter the reaction zone of cold wall type reactor after pressurization, preheating, and supercritical water reaction occurs.Clear water, as water coolant, enters the annular space between reactor inner/outer tube, for the protection of pressure-bearing wall after pressurization preheating.
A kind of multifunctional experiment system for supercritical water technical study of the present invention, can carry out the supercritical water oxidation experiment in evaporation wall type hydro-thermal combustion reactor of municipal sludge and organic waste water: the inner core of hydro-thermal combustion reactor is replaced by evaporation wall, and now reactor is evaporation wall type hydro-thermal combustion reactor.Methanol solution, material and superoxol enter the reaction zone of cold wall type reactor after pressurization, preheating, and hydro-thermal combustion reactions and supercritical water oxidation occur.Clear water, as evaporation wall water, enters the annular space between reactor inner/outer tube, for the protection of pressure-bearing wall after pressurization preheating.
A kind of multifunctional experiment system for supercritical water technical study of the present invention, can carry out the supercritical water oxidation experiment in cold wall type hydro-thermal combustion reactor of municipal sludge and organic waste water: the inner core of hydro-thermal combustion reactor is replaced by water wall, and now reactor is cold wall type hydro-thermal combustion reactor.Methanol solution, material and superoxol enter the reaction zone of cold wall type reactor after pressurization, preheating, and hydro-thermal combustion reactions and supercritical water oxidation occur.Clear water, as water coolant, enters the annular space between reactor inner/outer tube, for the protection of pressure-bearing wall after pressurization preheating.
A kind of multifunctional experiment system for supercritical water technical study of the present invention, can carry out municipal sludge and organic waste water tests at the supercritical water gasification in tubular reactor, oxidation and partial oxidation: material and superoxol enter tubular reactor after pressurization, preheating, and supercritical water reaction occurs.
A kind of multifunctional experiment system for supercritical water technical study of the present invention, can carry out the material Flow Corrosion experiment under supercritical water gasification, oxidation and partial oxidation condition of municipal sludge and organic waste water.Material and superoxol through pressurization, preheating laggard enter mobile etching reactor.Flow Corrosion reactor is made up of angie type reactor, straight reactor and reactor.Wherein angie type reactor and straight reactor are for studying the material corrosion under flow state, pressure-bearing condition, and reactor is for studying the material corrosion under flow state, non-pressure-bearing condition.The import of angie type reactor and Way out are 90 °, for studying the material corrosion situation at pipeline square elbow place under super critical condition; The import of straight reactor and Way out are on same straight line, for studying the material corrosion situation of horizontal and vertical pipeline under super critical condition.
With respect to prior art, a kind of multi-functional supercritical water technology experiment system of the present invention, integrated evaporation wall type reactor, cold wall type reactor, evaporation wall type hydro-thermal combustion reactor, cold wall type hydro-thermal combustion reactor, tubular reactor and Flow Corrosion reactor on an experiment porch, can realize the kinds of experiments research function of municipal sludge and organic waste water under condition of supercritical water.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail.
Fig. 1 is the structured flowchart of a kind of multi-functional supercritical water technology experiment system of the present invention.
In figure: 1 is methanol solution storage tank, 2 is material storage tank, 3 is superoxol storage tank, 4 is clear water storage tank, 5 is methanol solution preheater, 6 is material preheater, 7 is superoxol preheater, 8 is clear water preheater, 9 is evaporation wall or cold wall type reactor, 10 is hydro-thermal combustion reactor, 11 is tubular reactor, 12 is angie type reactor, 13 is straight reactor, 14 is reactor, 15 is water cooler, 16 is back pressure valve, 17 is gas meter, 18 is gas-liquid separator, 19 is mixing tank, P1 is methanol solution pump, P2 is product pump, P3 is superoxol pump, P4 is fresh water pump.V1～V18 is stopping valve.
Embodiment
Refer to shown in Fig. 1, a kind of multi-functional supercritical water technology experiment system of the present invention, wherein the concrete mode of connection of equipment is as follows everywhere:
(1) methanol solution is stored in methanol solution storage tank 1, the outlet of methanol solution storage tank 1 connects the entrance of methanol solution pump P1, the outlet of P1 is connected with the entrance of methanol solution preheater 5, and the outlet of methanol solution preheater 5 is connected with the fuel inlet of hydro-thermal combustion reactor 10; The pipeline that the outlet of methanol solution preheater 5 connects the fuel inlet of hydro-thermal combustion reactor 10 is provided with stopping valve V6.
(2) material storing is in material storage tank 2, the outlet of material storage tank 2 connects the entrance of product pump P2, the outlet of P2 is connected with the entrance of material preheater 6, and the outlet of material preheater 6 is divided into three strands: one is connected with the material inlet of evaporation wall or cold wall type reactor 9; One is connected with the material inlet of hydro-thermal combustion reactor 10; One is connected with the material inlet of mixing tank 19.On three femoral canal roads of the material inlet of the outlet connection evaporation wall of material preheater 6 or the material inlet of cold wall type reactor 9, hydro-thermal combustion reactor 10, the material inlet of mixing tank 19, be respectively equipped with stopping valve V3, stopping valve V7 and stopping valve V8.
(3) superoxol is stored in superoxol storage tank 3, the outlet of superoxol storage tank 3 connects the entrance of superoxol pump P3, the outlet of P3 is connected with the entrance of superoxol preheater 7, and the outlet of superoxol preheater 7 is divided into three strands: one is connected with the oxidant inlet of evaporation wall or cold wall type reactor 9; One is connected with the oxidant inlet of hydro-thermal combustion reactor 10; One is connected with the oxidant inlet of mixing tank 19.On three femoral canal roads of the oxidant inlet of the outlet connection evaporation wall of superoxol preheater 7 or cold wall type reactor 9, hydro-thermal combustion reactor 10, the oxidant inlet of mixing tank 19, be respectively equipped with stopping valve V2, stopping valve V5 and stopping valve V9.
(4) clear water is stored in clear water storage tank 4, the outlet of clear water storage tank 4 connects the entrance of fresh water pump P4, the outlet of P4 is connected with the entrance of clear water preheater 8, and the outlet of clear water preheater 8 is divided into two strands: one is connected with the clear water entrance of evaporation wall or cold wall type reactor 9; One is connected with the clear water entrance of hydro-thermal combustion reactor 10.The outlet of clear water preheater 8 connects between the clear water entrance of evaporation wall or cold wall type reactor 9, be respectively equipped with stopping valve V1, stopping valve V4 on two femoral canal roads of the clear water entrance of hydro-thermal combustion reactor 10.
(5) outlet of mixing tank 19 is divided into three strands: one is connected with the entrance of tubular reactor 11, and one is connected with the entrance of angie type reactor 12, and one is connected with the entrance of reactor 14.The outlet of angie type reactor 12 is connected with the entrance of straight reactor 13.On three femoral canal roads of entrance, the entrance of angie type reactor 12 and the entrance of reactor 14 of the outlet connecting pipe formula reactor 11 of mixing tank 19, be respectively equipped with stopping valve V10, stopping valve V11 and stopping valve V13.
(6) outlet and the outlet of reactor 14 of the outlet of the outlet of the outlet of evaporation wall or cold wall type reactor reaction device 9, hydro-thermal combustion reactor 10, tubular reactor 11, straight reactor 13 are connected with the import of water cooler 15 after converging, the outlet of water cooler 15 is connected with the entrance of back pressure valve 16, the outlet of back pressure valve 16 connects the import of gas-liquid separator 18, and the pneumatic outlet of gas-liquid separator 18 connects gas meter 17.Outlet, the outlet of straight reactor 13 and the outlet of reactor 14 of the outlet of evaporation wall or cold wall type reactor reaction device 9, the outlet of hydro-thermal combustion reactor 10, tubular reactor 11 are respectively arranged with stopping valve V15, stopping valve V16, stopping valve V17, stopping valve V12 and stopping valve V14.Pipeline between the import of the convergent point of the outlet of the outlet of straight reactor 13 and reactor 14 and water cooler 15 is provided with stopping valve V18.
The wall of evaporation wall or cold wall type reactor 9 is two-layerly made up of inside and outside, and skin is pressure-bearing wall, and detachable porous evaporator wall or the water wall of being provided with of internal layer forms evaporation wall type reactor or cold wall type reactor.
The wall of hydro-thermal combustion reactor 10 is two-layerly made up of inside and outside, and skin is pressure-bearing wall, and detachable porous evaporator wall or the water wall of being provided with of internal layer forms evaporation wall type hydro-thermal combustion reactor or cold wall type hydro-thermal combustion reactor.
The import of angie type reactor 11 and Way out are 90 ℃, and the import of described straight reactor 12 and Way out are on same straight line.
Experimental system of the present invention can be carried out municipal sludge and supercritical water gasification, oxidation and the partial oxidation experiment of organic waste water in evaporation wall type reactor.Specific implementation method is as follows:
(1) inner core of evaporation wall or cold wall type reactor 9 is replaced by porous evaporator wall, now reactor 9 is evaporation wall type reactor.
(2) Open valve V1, V2, V3 and V15, closes other valves.
(3) material enters material preheater 6 after product pump P2 pressurization, enters evaporation wall type reactor 9 through the material of preheating.
(4) quantitative superoxol enters preheater 7 after pump P3 pressurization, and the superoxol after preheating enters evaporation wall type reactor 9.If carry out supercritical water gasification experiment, skips steps (4) diameter enters step (5).
(5) clear water enters preheater 8 after pump P4 pressurization, and the clear water after preheating enters evaporation wall type reactor 9 as evaporation wall water.Tensimeter and a large amount of thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on reactor 9.
(6) reacted fluid enters gas-liquid separator 18 through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
Experimental system of the present invention can be carried out municipal sludge and supercritical water gasification, oxidation and the partial oxidation experiment of organic waste water in cold wall type reactor.Specific implementation method is as follows:
(1) inner core of evaporation wall or cold wall type reactor 9 is replaced by water wall, now reactor 9 is cold wall type reactor.
(2) Open valve V1, V2, V3 and V15, closes other valves.
(3) material enters material preheater 6 after product pump P2 pressurization, enters cold wall type reactor 9 through the material of preheating.
(4) quantitative superoxol enters preheater 7 after pump P3 pressurization, and the superoxol after preheating enters cold wall type reactor 9.If carry out supercritical water gasification experiment, skips steps (4) diameter enters step (5).
(5) clear water enters preheater 8 after pump P4 pressurization, and the clear water after preheating enters cold wall type reactor 9.Tensimeter and a large amount of thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on cold wall type reactor 9.
(6) reacted fluid enters gas-liquid separator 18 through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
Experimental system of the present invention can be carried out municipal sludge and the supercritical water oxidation experiment of organic waste water in evaporation wall type hydro-thermal combustion reactor.Specific implementation method is as follows:
(1) inner core of hydro-thermal combustion reactor 10 is replaced by porous evaporator wall, now reactor 10 is evaporation wall type hydro-thermal combustion reactor 10.
(2) Open valve V4, V5, V6, V7 and V16, closes other valves.
(3) methanol solution is as the fuel of hydro-thermal combustion reactor 10 of the present invention.Methanol solution enters preheater 5 after pump P1 pressurization, enters hydro-thermal combustion reactor 10 through the methanol solution of preheating;
(4) material enters material preheater 6 after product pump P2 pressurization, enters the hydro-thermal combustion reactor 10 with evaporation wall through the material of preheating.
(5) superoxol enters preheater 7 after pump P3 pressurization, and the superoxol after preheating enters the hydro-thermal combustion reactor 10 of evaporation wall.
(6) clear water enters preheater 8 after pump P4 pressurization, and the clear water after preheating enters the hydro-thermal combustion reactor 10 of evaporation wall.Tensimeter and a large amount of thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on hydro-thermal combustion reactor 10.
(7) reacted fluid enters gas-liquid separator 18 through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
The present invention is provided with system can carry out municipal sludge and the supercritical water oxidation experiment of organic waste water in cold wall type hydro-thermal combustion reactor.Specific implementation method mode is as follows:
(1) inner core of hydro-thermal combustion reactor 10 is replaced by water wall, now reactor 10 is cold wall type hydro-thermal combustion reactor 10.
(2) Open valve V4, V5, V6, V7 and V16, closes other valves.
(3) methanol solution is as the fuel of hydro-thermal combustion reactor 10 of the present invention.Methanol solution enters preheater 5 after pump P1 pressurization, enters hydro-thermal combustion reactor 10 through the methanol solution of preheating;
(4) material enters material preheater 6 after product pump P2 pressurization, enters hydro-thermal combustion reactor 10 through the material of preheating.
(5) superoxol enters preheater 7 after pump P3 pressurization, and the superoxol after preheating enters hydro-thermal combustion reactor 10.
(6) clear water enters preheater 8 after pump P4 pressurization, and the clear water after preheating enters hydro-thermal combustion reactor 10.Tensimeter and a large amount of thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on hydro-thermal combustion reactor 10.
(7) reacted fluid enters gas-liquid separator 18 through cooling, step-down, carries out respectively afterwards gaseous product and product liquid sampling.
Experimental system of the present invention can be carried out municipal sludge and supercritical water gasification, oxidation and the partial oxidation experiment of organic waste water in tubular reactor.Embodiment is as follows:
(1) Open valve V8, V9, V10 and V17, closes other valves.
(2) material enters material preheater 6 after product pump P2 pressurization, enters tubular reactor 11 through the material of preheating.
(3) superoxol enters preheater 7 after pump P3 pressurization, and the superoxol after preheating enters tubular reactor 11.
(4) reacted fluid enters gas-liquid separator 18 through cooling, step-down, distinguishes afterwards gas sampled product and product liquid.
Experimental system of the present invention can be carried out municipal sludge and the material Flow Corrosion experiment of organic waste water under supercritical water gasification, oxidation and partial oxidation condition.Etching reactor is made up of angie type reactor 12, straight reactor 13 and reactor 14.Wherein angie type reactor 12 and straight reactor 13 are for studying the material corrosion under flow state, pressure-bearing condition, and reactor 14 is for studying the material corrosion under flow state, non-pressure-bearing condition.Specific implementation method is as follows:
(1) Open valve V8, V9, V11, V12 and V18, closes other valves.The corrosion sample of installing material in advance in angie type reactor 12 and straight reactor 13.Waste water and superoxol through pressurization and preheating, pass through angie type reactor 12 and straight reactor 13 respectively successively after mixing.Reacted fluid enters gas-liquid separator 18 through cooling, step-down, distinguishes afterwards gas sampled product and product liquid.After operation for some time, take out corrosion sample continuously.
(2) Open valve V8, V9, V13, V14 and V18, closes other valves.The corrosion sample of suspension material in advance in reactor 14.Waste water and superoxol through pressurization and preheating, enter reactor 14 respectively after mixing.Reacted fluid enters gas-liquid separator 18 through cooling, step-down, distinguishes afterwards gas sampled product and product liquid.After operation for some time, take out corrosion sample continuously.
Claims (10)
1. a multi-functional supercritical water technology experiment system, it is characterized in that, comprise methanol solution storage tank (1), material storage tank (2), superoxol storage tank (3), clear water storage tank (4), methanol solution preheater (5), material preheater (6), superoxol preheater (7), clear water preheater (8), evaporation wall or cold wall type reactor (9), hydro-thermal combustion reactor (10), tubular reactor (11), angie type reactor (12), straight reactor (13), reactor (14), water cooler (15), back pressure valve (16), gas meter (17), gas-liquid separator (18), mixing tank (19), methanol solution pump (P1), product pump (P2), superoxol pump (P3) and fresh water pump (P4),
The outlet of methanol solution storage tank (1) connects the entrance of methanol solution pump (P1), the outlet of methanol solution pump (P1) is connected with the entrance of methanol solution preheater (5), and the outlet of methanol solution preheater (5) is connected with the fuel inlet of hydro-thermal combustion reactor (10);
The outlet of material storage tank (2) connects the entrance of product pump (P2), the outlet of product pump (P2) is connected with the entrance of material preheater (6), and the outlet of material preheater (6) is divided into three strands: one is connected with the material inlet of evaporation wall or cold wall type reactor (9); One is connected with the material inlet of hydro-thermal combustion reactor (10); One is connected with the material inlet of mixing tank (19);
The outlet of superoxol storage tank (3) connects the entrance of superoxol pump (P3), the outlet of superoxol pump (P3) is connected with the entrance of superoxol preheater (7), and the outlet of superoxol preheater (7) is divided into three strands: one is connected with the oxidant inlet of evaporation wall or cold wall type reactor (9); One is connected with the oxidant inlet of hydro-thermal combustion reactor (10); One is connected with the oxidant inlet of mixing tank (19);
Clear water is stored in clear water storage tank (4), the outlet of clear water storage tank (4) connects the entrance of fresh water pump (P4), the outlet of fresh water pump (P4) is connected with the entrance of clear water preheater (8), and the outlet of clear water preheater (8) is divided into two strands: one is connected with the clear water entrance of evaporation wall or cold wall type reactor (9); One is connected with the clear water entrance of hydro-thermal combustion reactor (10);
The outlet of mixing tank (19) is divided into three strands: one is connected with the entrance of tubular reactor (11), and one is connected with the entrance of angie type reactor (12), and one is connected with the entrance of reactor (14); The outlet of angie type reactor (12) is connected with the entrance of straight reactor (13);
After converging, outlet and the outlet of reactor (14) of the outlet of evaporation wall or cold wall type reactor reaction device (9), the outlet of hydro-thermal combustion reactor (10), the outlet of tubular reactor (11), straight reactor (13) be connected with the import of water cooler (15), the outlet of water cooler (15) is connected with the entrance of back pressure valve (16), the outlet of back pressure valve (16) connects the import of gas-liquid separator (18), and the pneumatic outlet of gas-liquid separator (18) connects gas meter (17).
2. the multi-functional supercritical water technology experiment of one as claimed in claim 1 system, it is characterized in that, the wall of evaporation wall or cold wall type reactor (9) is two-layerly made up of inside and outside, skin is pressure-bearing wall, detachable porous evaporator wall or the water wall of being provided with of internal layer, forms evaporation wall type reactor or cold wall type reactor.
3. the multi-functional supercritical water technology experiment of one as claimed in claim 1 system, it is characterized in that, the wall of hydro-thermal combustion reactor (10) is two-layerly made up of inside and outside, skin is pressure-bearing wall, detachable porous evaporator wall or the water wall of being provided with of internal layer, forms evaporation wall type hydro-thermal combustion reactor or cold wall type hydro-thermal combustion reactor.
4. the multi-functional supercritical water technology experiment of one as claimed in claim 1 system, is characterized in that, the pipeline that the outlet of methanol solution preheater (5) connects the fuel inlet of hydro-thermal combustion reactor (10) is provided with the 6th stopping valve (V6);
On three femoral canal roads of the material inlet of the outlet connection evaporation wall of material preheater (6) or the material inlet of cold wall type reactor (9), hydro-thermal combustion reactor (10), the material inlet of mixing tank (19), be respectively equipped with the 3rd stopping valve (V3), the 7th stopping valve (V7) and the 8th stopping valve (V8);
On three femoral canal roads of the oxidant inlet of the outlet connection evaporation wall of superoxol preheater (7) or cold wall type reactor (9), hydro-thermal combustion reactor (10), the oxidant inlet of mixing tank (19), be respectively equipped with the second stopping valve (V2), the 5th stopping valve (V5) and the 9th stopping valve (V9);
The outlet of clear water preheater (8) connects between the clear water entrance of evaporation wall or cold wall type reactor (9), be respectively equipped with the first stopping valve (V1), the 4th stopping valve (V4) on two femoral canal roads of the clear water entrance of hydro-thermal combustion reactor (10);
On three femoral canal roads of the entrance of the entrance of the outlet connecting pipe formula reactor (11) of mixing tank (19), the entrance of angie type reactor (12) and reactor (14), be respectively equipped with the tenth stopping valve (V10), the 11 stopping valve (V11) and the 13 stopping valve (V13);
The outlet of evaporation wall or cold wall type reactor reaction device (9), the outlet of hydro-thermal combustion reactor (10), the outlet of tubular reactor (11), the outlet of straight reactor (13) and the outlet of reactor (14) are respectively arranged with the 15 stopping valve (V15), the 16 stopping valve (V16), the 17 stopping valve (V17), the 12 stopping valve (V12) and the 14 stopping valve (V14); Pipeline between the import of the convergent point of the outlet of the outlet of straight reactor (13) and reactor (14) and water cooler (15) is provided with the 18 stopping valve (V18).
5. the multi-functional supercritical water technology experiment of one as claimed in claim 4 system, is characterized in that, while carrying out supercritical water gasification in evaporation wall type reactor of municipal sludge and organic waste water, oxidation and partial oxidation experiment, comprises the following steps:
(1) internal layer of evaporation wall or cold wall type reactor (9) is replaced by porous evaporator wall, forms evaporation wall type reactor;
(2) open the first stopping valve (V1), the second stopping valve (V2), the 3rd stopping valve (V3) and the 15 stopping valve (V15), close other stopping valve;
(3) material enters material preheater (6) after product pump (P2) pressurization, enters evaporation wall type reactor through the material of preheating;
(4) quantitative superoxol enters preheater (7) after pump (P3) pressurization, and the superoxol after preheating enters evaporation wall type reactor; If carry out supercritical water gasification experiment, skips steps (4) diameter enters step (5);
(5) clear water enters preheater (8) after fresh water pump (P4) pressurization, and the clear water after preheating enters evaporation wall type reactor as evaporation wall water; On evaporation wall type reactor, tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor;
(6) reacted fluid enters gas-liquid separator (18) through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
6. the multi-functional supercritical water technology experiment of one as claimed in claim 4 system, is characterized in that, while carrying out supercritical water gasification in cold wall type reactor of municipal sludge and organic waste water, oxidation and partial oxidation experiment, comprises the following steps:
(1) internal layer of evaporation wall or cold wall type reactor (9) is replaced by water wall, forms cold wall type reactor;
(1) open the first stopping valve (V1), the second stopping valve (V2), the 3rd stopping valve (V3) and the 15 stopping valve (V15), close other stopping valve;
(3) material enters material preheater (6) after product pump (P2) pressurization, enters cold wall type reactor through the material of preheating;
(4) quantitative superoxol enters preheater (7) after hydrogen peroxide pump (P3) pressurization, and the superoxol after preheating enters cold wall type reactor; If carry out supercritical water gasification experiment, skips steps (4) diameter enters step (5);
(5) clear water enters preheater (8) after fresh water pump (P4) pressurization, and the clear water after preheating enters cold wall type reactor; Tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on cold wall type reactor;
(6) reacted fluid enters gas-liquid separator (18) through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
7. the multi-functional supercritical water technology experiment of one as claimed in claim 4 system, is characterized in that, carries out municipal sludge and organic waste water in the time of the supercritical water oxidation experiment of evaporating in wall type hydro-thermal combustion reactor, specifically comprises the following steps:
(1) internal layer of hydro-thermal combustion reactor (10) is replaced by porous evaporator wall, forms evaporation wall type hydro-thermal combustion reactor;
(2) open the 4th stopping valve (V4), the 5th stopping valve (V5), the 6th stopping valve (V6), the 7th stopping valve (V7) and the 16 stopping valve (V16), close other stopping valve;
(3) methanol solution enters preheater (5) after methanol solution pump (P1) pressurization, enters the hydro-thermal combustion reactor (10) with evaporation wall through the methanol solution of preheating;
(4) material enters material preheater (6) after product pump (P2) pressurization, enters the hydro-thermal combustion reactor (10) with evaporation wall through the material of preheating;
(5) superoxol enters preheater (7) after superoxol pump (P3) pressurization, and the superoxol after preheating enters the hydro-thermal combustion reactor (10) with evaporation wall;
(6) clear water enters preheater (8) after fresh water pump (P4) pressurization, and the clear water after preheating enters the hydro-thermal combustion reactor (10) with evaporation wall; Tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on the hydro-thermal combustion reactor (10) with evaporation wall;
(7) reacted fluid enters gas-liquid separator (18) through cooling, step-down, carries out respectively afterwards the sampling of gaseous product and product liquid.
8. the multi-functional supercritical water technology experiment of one as claimed in claim 4 system, is characterized in that, while carrying out the experiment of supercritical water oxidation in cold wall type hydro-thermal combustion reactor of municipal sludge and organic waste water, specifically comprises following:
(1) internal layer of hydro-thermal combustion reactor (10) is replaced by water wall, forms cold wall type hydro-thermal combustion reactor;
(2) open the 4th stopping valve (V4), the 5th stopping valve (V5), the 6th stopping valve (V6), the 7th stopping valve (V7) and the 16 stopping valve (V16), close other stopping valve;
(3) methanol solution enters preheater (5) after methanol solution pump (P1) pressurization, enters cold wall type hydro-thermal combustion reactor through the methanol solution of preheating;
(4) material enters material preheater (6) after product pump (P2) pressurization, enters cold wall type hydro-thermal combustion reactor through the material of preheating;
(5) superoxol enters preheater (7) after superoxol pump (P3) pressurization, and the superoxol after preheating enters cold wall type hydro-thermal combustion reactor;
(6) clear water enters preheater (8) after fresh water pump (P4) pressurization, and the clear water after preheating enters cold wall type hydro-thermal combustion reactor; Tensimeter and some thermopair measuring points are set, in order to monitor the temperature of integral pressure and different sites of reactor on cold wall type hydro-thermal combustion reactor;
(7) reacted fluid enters gas-liquid separator (18) through cooling, step-down, carries out respectively afterwards gaseous product and product liquid sampling.
9. the multi-functional supercritical water technology experiment of one as claimed in claim 4 system, is characterized in that, while carrying out supercritical water gasification in tubular reactor of municipal sludge and organic waste water, oxidation and partial oxidation experiment, specifically comprises the following steps:
(1) open the 8th stopping valve (V8), the 9th stopping valve (V9), the tenth stopping valve (V10) and the 17 stopping valve (V17), close other stopping valve;
(2) material enters material preheater (6) after product pump (P2) pressurization, enters tubular reactor (11) through the material of preheating;
(3) superoxol enters preheater (7) after superoxol pump (P3) pressurization, and the superoxol after preheating enters tubular reactor (11);
(4) reacted fluid enters gas-liquid separator (18) through cooling, step-down, distinguishes afterwards gas sampled product and product liquid.
10. the multi-functional supercritical water technology experiment of one as claimed in claim 4 system, it is characterized in that, while carrying out the experiment of material Flow Corrosion under supercritical water gasification, oxidation and partial oxidation condition of municipal sludge and organic waste water, etching reactor is made up of angie type reactor (12), straight reactor (13) and reactor (14), the import of described angie type reactor (11) and Way out are 90 ℃, and the import of described straight reactor (12) and Way out are on same straight line; It specifically comprises the following steps:
(1), open the 8th stopping valve (V8), the 9th stopping valve (V9), the 11 stopping valve (V11) and the 18 stopping valve (V18), close other stopping valve; The corrosion sample of installing material in advance in angie type reactor (12) and straight reactor (13); Waste water and superoxol through pressurization and preheating, pass through angie type reactor (12) and straight reactor (13) respectively successively after mixing; Reacted fluid enters gas-liquid separator (18) through cooling, step-down, distinguishes afterwards gas sampled product and product liquid; After operation for some time, take out corrosion sample continuously;
(2) open the 8th stopping valve (V8), the 9th stopping valve (V9), the 13 stopping valve (V13), the 14 stopping valve (V14) and the 18 stopping valve (V18), close other stopping valve; The corrosion sample of suspension material in advance in reactor (14); Waste water and superoxol through pressurization and preheating, enter reactor (14) respectively after mixing; Reacted fluid enters gas-liquid separator (18) through cooling, step-down, distinguishes afterwards gas sampled product and product liquid; After operation for some time, take out corrosion sample continuously.
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