CN202123098U - Continuous high-pressure damp-heat reaction device - Google Patents
Continuous high-pressure damp-heat reaction device Download PDFInfo
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- CN202123098U CN202123098U CN2011202005514U CN201120200551U CN202123098U CN 202123098 U CN202123098 U CN 202123098U CN 2011202005514 U CN2011202005514 U CN 2011202005514U CN 201120200551 U CN201120200551 U CN 201120200551U CN 202123098 U CN202123098 U CN 202123098U
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Abstract
The utility model relates to a continuous high-pressure damp-heat reaction device comprising a feed preparation tank, a feed pump, a preheater, a heating reactor, a heat preservation reactor, a circulating pump, a flow controller and a discharge box, wherein a feeder and a liquid adding device are arranged on the top of the feed preparation tank; a stirrer is arranged in the feed preparation tank; a discharge hole at one side of the bottom of the feed preparation tank is connected with the preheater through the feed pump and a pipeline; the discharge hole of the preheater is connected with the heating reactor; the discharge hole of the heating reactor is connected with the heat preservation reactor; the discharge hole of the heat preservation reactor is respectively connected with the heating reactor and the preheater through the circulating pump and the pipeline; the preheater is connected with the flow controller; and the flow controller is connected with the discharge box. According to the utility model, burned flying ash, sludge, biomass and polluted soil with dry matter concentration of 15%-35% can be treated; under the condition that the reaction temperature is 120-130DEG C and the pressure is below 10MPa, the continuous feed and the continuous discharge of the reactor can be realized and the automation control of the whole reaction process can be realized.
Description
Technical field
The utility model belongs to resource and green technology process field, is specifically related to the damp and hot reaction unit of a kind of continuous high pressure.
Background technology
The damp and hot reaction of the high pressure of incineration of refuse flyash can be cleared up its contained De bioxin (seeing patent of invention ZL2007-100 40771.3), has advantage effective, non-secondary pollution; Adopt the damp and hot reaction of high pressure wet to separate and to produce bio oil, perhaps extract organic principle, realization resource organic waste such as mud, living beings; Organic matter in the contaminated soil also can decompose through this reaction in addition, and soil is able to detoxifcation.Therefore high pressure damp and hotly is reflected at many liquid, the solid mixture processing occasion has its special effect, is a kind of important reactor types.
Adopt high pressure humid heat treatment technical finesse mud, living beings, flying dust the like waste at present, prior art mainly contains positive displacement formula intermittent reaction device etc., because can not be continuous; Needed reactor volume is big, takes up an area of greatly, and energy consumption is high; Investment is big, and poor stability, unit volume handling rate are low.Seeing from the reactor pattern, is main with agitated reactor generally, and horizontal reactor is also arranged, but because stirred, the restriction of factor such as safety, generally adopt high pressure wet heating technology to handle, scale is generally little.
Summary of the invention
The purpose of the utility model is to propose that a kind of treatment scale is big, automaticity is high, can realize continuous running operation, handles the damp and hot reaction unit of continuous high pressure of solid, liquid mixture.
The damp and hot device of continuous high pressure that the utility model proposes; Constitute by stock kettle 1, feed pump 2, preheater 3, reactor heating 4, insulation reaction device 5, circulating pump 6, flow controller 7 and feed box 8; It is characterized in that stock kettle 1 top is provided with feeder 1-1 and liquid-adding device 1-2; Be provided with agitator 1-3 in the stock kettle 1, stock kettle 1 bottom one side discharging opening is connected preheater 3 through feed pump 2 with pipeline, and the discharging opening of preheater 3 connects reactor heating 4; The discharging opening of reactor heating 4 connects insulation reaction device 5, and the discharging opening of insulation reaction device 5 is connected reactor heating 4 and preheater 3 respectively through circulating pump 6 and pipeline; Preheater 3 connection traffic controllers 7, flow controller 7 connects feed box 8.
In the utility model, said reactor heating 4 adopts shell and tube reactors, and input and output material is on the collection case at reaction tube two ends, and material distributes from an end collection case and gets into after the heating of flowing in each tubulation reaches predetermined temperature, converges from an other end collection case and sees off.
In the utility model, said reactor heating 4 adopts coil pipe type reactor, and material gets into single coil or several coil pipes arranged side by side are heated to predetermined temperature, sees off from the coil pipe end.
In the utility model; Said insulation reaction device 5 adopts horizontal cylinder reactor; Can hold the interior flow through preheater of 0.5 ~ 1h, reactor shell adopts corrosion-resistant metal materials, and its outer wall is provided with good thermal insulating warm-keeping layer; Set inside has staggered dividing plate, to prolong the material time of staying from inlet to outlet.
In the utility model, said reactor heating 4 outlets are provided with temperature indicator and controller.
In the utility model, insulation reaction device 5 is provided with temperature indicator, pressure display instrument, safety valve and liquid level gauge.
In the utility model, said circulating-pump outlet shunting, 1/2 ~ 3/ 4 material is recycled to reactor heating 4; The material that equates with feed is sent into preheater 3, and controls flow by the flow controller 7 that links to each other with preheater 3 outlet and equate with feed.
In the utility model, the pipeline that said flow controller 7 is connected with feed box 8 is provided with dosing pump 10, and said dosing pump 10 connects chemical tank 9 through pipeline.
High pressure is damp and hot to be reflected at high pressure, have under the condition of temperature and take place, and reaction unit is operated on the basis of continuous feed-discharging.Flying ash, biological chylema, mud, got into stock kettle 1 by the organic matter contaminated soil through feeder 1-1 after, through liquid-adding device 1-2 add medicament or liquid modified, and stir by agitator 1-3.The material of getting ready is sent into preheater 3 first preheatings through feed pump 2, delivers to the import position of reactor heating 4 again.When reactor heating 4 was shell and tube, import was located on the inlet header case, and outlet collection case is at the other end of tubulation, and it is provided with thermometer and solenoid valve, according to the supply of adjustment heating thermal source.Though reaction is carried out in reactor heating 4; But because the time of staying of material is short, be heating so reactor heating mainly is a task, the setting of agitator has been avoided in this tubular type heating; And effectively prevent fouling, but should be noted that the selection abrasion-resistant stee.The shell and tube reactor heating can be placed on high-temperature flue and accept radiant heat and heat convection, can remove at an easy rate attached to the outer dust of pipe.Coil pipe type reactor is fit to be placed in the flow flue that flue dust is few, the position is narrow and small, according to the situation of resistance permission, can select single coil, or many coil pipes arranged side by side.These two kinds of tubular reactors all can also adopt the electrical heating thermal source under special circumstances, when reaching temperature of charge at last, discharge and send into horizontal insulation reaction device 5.
Horizontal insulation reaction device 5 links to each other with reactor heating 4 through charging aperture, can store the mass flow that passes through preheater 3 of 0. 5 ~ 1h.The circuitous channel (see figure 3) that after material gets into the insulation reaction device, forms through dividing plate flows to outlet gradually, and material first in first out, last-in, last-out.Connect circulating pump 6 behind the insulation reaction device 5; Based on the situation of solid-liquid delaminating deposition in the material, the flow of circulating pump 6 is 2 ~ 4 times of feed pump 2, wherein identical with feed pump 2 flux and flow direction preheater 3; Remaining with preheating after feed mix; Flow back to reactor heating 4, when material is difficult for layering, select low discharge; , material selects high flow capacity when being prone to layering.There is good insulation in the outside of insulation reaction device 5, and perhaps companion's heat guarantees reaction temperature.Thermometer and Pressure gauge are set on the barrel of insulation reaction device 5, and safety valve, and liquid level gauge are to guarantee safety.
Circulating pump 6 is a slush pump, does not need very high lift, and flow is 2 ~ 4 times of feed pump 2, is used to overcome flow resistance.Circulating pump is provided with the insulation measure.
Preheater 3 reclaims the waste heat of reacting rear material on the one hand, makes its pressure also reduce (damp and hot operation pressure is corresponding with saturation temperature), on the other hand, the feed temperature is risen.Can be designed as shell-and-tube or spiral heat exchanger.In the shell-and-tube preheater, feed is walked shell side; Feed is walked external spiral in the spiral plate type preheater, and the purpose of arranging like this is to make insulation easily, and is safer.
On the pipeline of preheater 3 outlets flow controller 7 is housed, control is equated with feeding coal by the flow that circulating pump 6 flows to flow controller 7 just.Be cold and hot two kinds of quality such as material in the preheater 3, keep the balance of system and operation continuously.
Feeder 1-1 is housed on the stock kettle 1, and feeding device 1-2 and agitator 1-3 make the proportioning of material satisfy the requirement of reacting, and outlet links to each other with feed pump 2.The flow of feed pump 2 comes fixed as required.
Reacted material before flowing into feed box 8, as required, can the dosing stabilizing heavy metal, make liquid in the material, solid phase fast hierarchical etc.Chemical tank 9 links to each other with flow controller 7 backs, feed box 8 pipeline before through administration pump 10, makes reacted material mix the back with medicament and gets into feed box 8.
Compare the following advantage that the utlity model has with the damp and hot reactor of high pressure of the prior art:
1. reaction can be carried out continuously, and prior art all is intermittent operation.
2. adopt the heating of flowing in the pipe because reaction heats up, not only, more strengthened heating surface area, also improved bearing capacity, and then improved security not needing just can reliably to prevent fouling under the stirring condition.So the security of system degree is high.
3. because horizontal insulation reaction device is not heated, improves the security of cylinder and avoided problems such as fouling, abrasion, saved agitating device simultaneously.
4. abundant recovery waste heat is practiced thrift the heating energy consumption, is saved the decompressor before reacting rear material flows out.
5. can receive polytype liquid, solid logistics, process range is wide.
6. the material reaction time can be regulated; Can also become periodic running if desired, it is big to handle elasticity.
7. the content requirement to suspended solid is not high, can in 15% ~ 35% scope, fluctuate.
Description of drawings
Fig. 1 is the structural representation (shell and tube reactor heating) of the damp and hot reactor of the utility model high pressure.
Fig. 2 is the structural representation (coiled reactor heating) of the damp and hot reactor of the utility model high pressure.
Fig. 3 is insulation reaction device 5 internal partition figure.
Label among the figure: 1 is stock kettle, and 1-1 is a feeder, and 1-2 is a feeding device, and 1-3 is an agitator, and 2 is feed pump, and 3 is preheater, and 4 is reactor heating, and 5 is the insulation reaction device; 6 is circulating pump, and 7 is flow controller, and 9 is pharmacy jar, and 10 is administration pump, and 8 is feed box.
The specific embodiment
Further specify the utility model in conjunction with the accompanying drawings below by embodiment.
Embodiment 1: like Fig. 1-shown in Figure 3; This device main reactor is made up of tube heater 4 (shell and tube or coiled) and horizontal insulation reaction device 5; Servicing unit comprises that stock kettle 1 and agitator 1-3, feeder 1-1, feeding device 1-2, feed pump 2, preheater 3, circulating pump 6, flow controller 7 and feed box 8 constitute, and add pharmacy jar 9 and administration pump 10 in case of necessity.Main reactor is a tubular type reactor heating 4, and the back connects the horizontal cylinder reactor 5 with good insulation, and the latter links to each other with reactor heating 4 through circulating pump 6 again.Material adds stock kettle 1 through feeder 1-1; Liquid-adding device 1-2 links to each other with stock kettle 1, adds medicament and regulates the moisture of material, and stock kettle 1 back connects feed pump 2; The latter sends material into preheater 3 and gets into tubular type reactor heating 4 again; Material is discharged the back from reactor heating 4 and is got into insulation reaction device 5, connects circulating pump 6 behind the insulation reaction device 5, and circulating pump 6 outlets connect reactor heating 4 and preheater 3 simultaneously; Go the mass flow of preheater 3 to equal the amount of seeing off from feed pump 2, by the flow controller that is connected preheater 3 back 7 controls.Flow controller 7 back coupled reaction feed boxes 8 are established medicament storage tank 9 when needs, this device is taken over flow controller 7 back through dosing pump 10 and linked to each other, and makes discharging reach specific requirement with material reaction.
Said apparatus is used for the high pressure humid heat treatment of flying ash, and flying ash 0.85t/h gets into stock kettle 1 through feeder 1-1, adds the medicament that promotes that bioxin decomposes through feeding device 1-2, and agitator 1-3 starts stirring, forms 2.2m at last
3The suspension stream of/h, the back that stirs is sent into preheater 3 by feed pump 2 and is at first carried out preheating.About 230 ℃ of temperature of charge after the preheating still is a supercooled state, mixes with the partial material of coming self-circulating pump 6 to send into to add shell and tube reactor heating 4, and the heating of in the pipeline of reactor heating 4, flowing, the area of reactor heating 4 is 98m
2, form by the pipe of 108 long 8m, Φ 36mm, be arranged in the flue of incinerator economizer front; Accept heat convection and fraction radiant heat; Make the mixture (suspension) of flying dust-water be heated to 290 ~ 293 ℃ in the exit, flow into insulation reaction device 5, the volume of insulation reaction device 5 is 3m
3, material occupies plot ratio 76 ~ 85%, by dress liquid level gauge control above that.Pressure gauge, thermometer and safety valve also are housed on the cylindrical shell of insulation reaction device 5, and safety valve can take-off when pressure surpasses 10MPa.Under the promotion of Flow of Goods and Materials, begin to flow to the exit from import department around the baffling dividing plate, make in this process that the De bioxin obtains decomposing in the flying dust.Flow out in the flying dust suspension self-heat conserving reactor 5 after the processing, flow is 7m
3/ h gets into circulating pump 6, and wherein about 1/3 flow is sent into preheater 3, cool the temperature to about 90 ℃ and discharge, the flow controller 7 of preheater 3 back with the mortar flow-control at 2.2 ~ 2.3m
3/ h.Flow (4.7 ~ 4.8m of other 2/3
3/ h) with preheating after mixing of materials send into reactor heating 4, repeat heating process.
Store the medicament of stabilizing heavy metal in the pharmacy jar 9, by administration pump 10 with in pipeline, mix, flow into feed box 8 from the mortar that is cooled to behind the preheater 3 about 90 ℃ to discharge.Flying dust slurries in the feed box 8 not only bioxin decompose, and heavy metal is also stable, can security landfill or utilization.
Embodiment 2: be used for the sludge high pressure humid heat treatment: the mud 5.0m of moisture content 80%
3/ h gets into stock kettle 1 through feeder 1-1, adds lime solution through feeding device 1-2, and agitator 1-3 starts stirring, forms 6m at last
3The slurry stream of/h, the back that stirs is sent into preheater 3 by feed pump 2 and is at first carried out preheating.About 180 ℃ of temperature of charge after the preheating still is a supercooled state, mixes with the partial material of coming self-circulating pump 6 and sends into reactor heating 4, the heating of in the pipeline of reactor heating 4, flowing, the area 160m of reactor heating 4
2, be arranged in the special flue by the pipe of 160 long 10m, Φ 32mm, accept heat convection and radiant heat, make the mud slurry be heated to 200 ~ 203 ℃ in the exit, flow into insulation reaction device 5, the volume of insulation reaction device 5 is 8m
3, material occupies plot ratio 76 ~ 85%, by dress liquid level gauge control above that.On insulation reaction device 5 cylindrical shells pressure gauge, thermometer and safety valve are housed also, safety valve can take-off when pressure surpasses 5MPa.Under the promotion of Flow of Goods and Materials, begin to flow to the exit from import department around the baffling dividing plate, in this process, make the mud slurry be able to take place the wet reaction of separating.Flow out in dirt after the processing-aqueous suspension self-heat conserving reactor 5, flow is 24 ~ 25m
3/ h gets into circulating pump 6, and wherein about 1/ 4 flow is sent into preheater 3, cools the temperature to about 50 ℃ and discharges, and the flow controller of preheater 3 back 7 is controlled at 6.0 ~ 6.3m with mud flow rate
3/ h.Flow (18 ~ 18.7m of other 3/4
3/ h) with preheating after mixing of materials send into reactor heating 4, repeat heating process.Mud from being cooled to behind the preheater 3 discharge about 50 ℃ is laid in feed box 8, and its upper strata is a bio oil, and the bottom is a mortar.Bio oil is separated the back as industrial chemicals, and the mud of bottom is very easy to dehydration, can safe disposal after dehydration.
Embodiment 3: be used for by the high pressure humid heat treatment of organic matter contaminated soil: the soil 1.0t/h of moisture content 10% gets into stock kettle 1 through feeder 1-1; Add the medicament that promotes that organic matter decomposes through feeding device 1-2; Agitator 1-3 starts stirring, forms 3m at last
3The slurry stream of/h, the back that stirs is sent into preheater 3 by feed pump 2 and is at first carried out preheating.About 235 ℃ of temperature of charge after the preheating still is a supercooled state, mixes with the partial material of coming self-circulating pump 6 and sends into reactor heating 4, and the heating of in the pipeline of reactor heating 4, flowing, reactor heating 4 is a coiled, area 108m
2In high-temperature flue, accept heat convection and fraction radiant heat by 6 groups of coiled tube arrangements that amount to 48 long 20m, Φ 36mm, make contaminated soil---aqueous mixtures is heated to 290 ~ 291 ℃ in the exit; Flow into insulation reaction device 5 again, the volume of insulation reaction device 5 is 3.75m
3, material occupies plot ratio 76 ~ 85%, by dress liquid level gauge control above that.Pressure gauge, thermometer and safety valve also are housed on the cylindrical shell, and safety valve can take-off when pressure surpasses 10MPa.Under the promotion of Flow of Goods and Materials, material begins to flow to the exit around the baffling dividing plate from the import department of insulation reaction device 5, in this process, makes the organic matter in the soil be able to decompose.Flow out in soil after the processing-aqueous suspension self-heat conserving reactor 5, flow is 6 ~ 6.5m
3/ h gets into circulating pump 6, and wherein about 1/2 flow is sent into preheater 3, cools the temperature to about 80 ℃ and discharges, and the flow controller of preheater 3 back 7 is controlled at 3.0m with mud flow rate
3/ h.Flow (3.0 ~ 3.5m of other 1/2
3/ h) with preheating after mixing of materials send into reactor heating 4, repeat heating process.Mud from the soil-water that is cooled to behind the preheater 3 discharge about 90 ℃ forms is laid in feed box 8, can safe disposal after the dehydration.
Claims (7)
1. damp and hot reaction unit of continuous high pressure; Constitute by stock kettle (1), feed pump (2), preheater (3), reactor heating (4), insulation reaction device (5), circulating pump (6), flow controller (7) and feed box (8); It is characterized in that stock kettle (1) top is provided with feeder (1-1) and liquid-adding device (1-2); Be provided with agitator (1-3) in the stock kettle (1); Stock kettle (1) bottom one side discharging opening is connected preheater (3) through feed pump (2) with pipeline; The discharging opening of preheater (3) connects reactor heating (4), and the discharging opening of reactor heating (4) connects insulation reaction device (5), and the discharging opening of insulation reaction device (5) is connected reactor heating (4) and preheater (3) respectively through circulating pump (6) and pipeline; Preheater (3) connection traffic controller (7), flow controller (7) connects feed box (8).
2. the damp and hot reaction unit of continuous high pressure according to claim 1 is characterized in that said reactor heating (4) adopts shell and tube reactor.
3. the damp and hot reaction unit of continuous high pressure according to claim 1 is characterized in that said reactor heating (4) adopts coil pipe type reactor.
4. the damp and hot reaction unit of continuous high pressure according to claim 1; It is characterized in that said insulation reaction device (5) adopts horizontal cylinder reactor; Insulation reaction device (5) cylindrical shell adopts corrosion-resistant metal materials, and its outer wall is provided with thermal insulating warm-keeping layer, and set inside has staggered dividing plate.
5. the damp and hot reaction unit of continuous high pressure according to claim 1 is characterized in that said reactor heating (4) outlet is provided with temperature indicator and controller.
6. the damp and hot reaction unit of continuous high pressure according to claim 1 is characterized in that insulation reaction device (5) is provided with temperature indicator, pressure display instrument, safety valve and liquid level gauge.
7. the damp and hot reaction unit of continuous high pressure according to claim 1 is characterized in that the pipeline that said flow controller (7) is connected with feed box (8) is provided with dosing pump (10), and said dosing pump (10) connects chemical tank (9) through pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011202005514U CN202123098U (en) | 2011-06-15 | 2011-06-15 | Continuous high-pressure damp-heat reaction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011202005514U CN202123098U (en) | 2011-06-15 | 2011-06-15 | Continuous high-pressure damp-heat reaction device |
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| CN202123098U true CN202123098U (en) | 2012-01-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615096A (en) * | 2012-04-09 | 2012-08-01 | 长沙威保特环保科技有限公司 | Soil vacuum heater |
| CN104998597A (en) * | 2015-08-17 | 2015-10-28 | 聂红军 | Water pyrolysis reactor |
| CN106311085A (en) * | 2015-06-26 | 2017-01-11 | 南通泰利达化工有限公司 | Reaction device and production method for detergent intermediate |
| CN109553267A (en) * | 2019-01-17 | 2019-04-02 | 上海蓝州环保科技有限公司 | A kind of organic matter apparatus for continuous treatment and its processing method |
| CN109621880A (en) * | 2018-12-17 | 2019-04-16 | 华中科技大学 | A kind of CO2Biomass continuous hydrothermal furfural preparation system and method under atmosphere |
-
2011
- 2011-06-15 CN CN2011202005514U patent/CN202123098U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615096A (en) * | 2012-04-09 | 2012-08-01 | 长沙威保特环保科技有限公司 | Soil vacuum heater |
| CN102615096B (en) * | 2012-04-09 | 2013-02-27 | 长沙威保特环保科技有限公司 | Soil vacuum heater |
| CN106311085A (en) * | 2015-06-26 | 2017-01-11 | 南通泰利达化工有限公司 | Reaction device and production method for detergent intermediate |
| CN104998597A (en) * | 2015-08-17 | 2015-10-28 | 聂红军 | Water pyrolysis reactor |
| CN109621880A (en) * | 2018-12-17 | 2019-04-16 | 华中科技大学 | A kind of CO2Biomass continuous hydrothermal furfural preparation system and method under atmosphere |
| CN109621880B (en) * | 2018-12-17 | 2019-12-24 | 华中科技大学 | CO (carbon monoxide)2System and method for preparing furfural by biomass continuous hydrothermal method under atmosphere |
| CN109553267A (en) * | 2019-01-17 | 2019-04-02 | 上海蓝州环保科技有限公司 | A kind of organic matter apparatus for continuous treatment and its processing method |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20140615 |
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| EXPY | Termination of patent right or utility model |