CN1951553A - A moving-bed reactor - Google Patents
A moving-bed reactor Download PDFInfo
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- CN1951553A CN1951553A CN 200510047469 CN200510047469A CN1951553A CN 1951553 A CN1951553 A CN 1951553A CN 200510047469 CN200510047469 CN 200510047469 CN 200510047469 A CN200510047469 A CN 200510047469A CN 1951553 A CN1951553 A CN 1951553A
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Abstract
The invention relates to a move bed reactor, formed by screw reaction bed and lifter. Wherein, the screw reaction bed is formed by outer cylinder, inner cylinder, liquid inlet, material outlet, divert plate, screw reaction bed, and base; the lifter is formed by water tank, driven wheel water outlet, lifting hopper, chain, driving wheel, motor, speed reducer, and frame; the lifter and screw reaction bed share one chassis. The invention is used in solid-liquid neutralization; especially the solid is block material. The invention has simple structure without block.
Description
Technical field
The present invention relates to a kind of moving-burden bed reactor,, belong to the chemical industry equipment field, especially a kind of equipment that is used for the acid water neutralization reaction especially for the moving bed of neutralization reaction.
Background technology
The acid-base neutralization reaction is one of common technical process of chemical engineering unit operation.Neutralization reaction is generally reactive liquid solution or liquid-solid acid-base reaction, the consersion unit that adopts is: reactive liquid solution adopts mixing plant and static mixer more, when solid phase is powder in the liquid-solid acid-base reaction, general mixing plant, cyclone or the static mixer of adopting, when solid phase is lump material general adopt neutralizing tank, in and filter bed or in and the filter tank.Some acid-base neutralization product easily crusts, incrustation, and what be unfavorable for neutralization reaction continues to carry out or stop up runner, thereby need set up supplementary means such as stirring, backwash, and then increases three wastes output.In addition, pond class facility takes up an area of bigger, and the mixing plant power consumption is big, easy to wear, and inapplicable lump material.Patent CN2538793Y discloses a kind of sour water neutralization reaction treatment facility, is applicable to the neutralization of powder spray; Patent CN1375349A discloses in a kind of coking chemical waste water and the stack gases and has administered technology, belongs in the gas-liquid spray and technology; Patent CN2220470Y discloses a kind of carbon ammonium-phosphoric acid neutralization reactor, with powder slurrying neutralization reaction.Above-mentioned process equipment is all inapplicable to take place with lump material and liquid phase that neutralization and product are easy to crust, the acid-base neutralization of incrustation reacts and process.As with block alkaline matter being the N-process etc. of the flue gas desulfurization course of the nertralizer acid water of discharging.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of neutralization reaction moving bed.This device structure is simple, floor space is little, be difficult for crust, incrustation, does not have and stops up, and can be used for blocks of solid alkaline matter and acidic materials and carry out the neutralization reaction process.
Moving-burden bed reactor of the present invention comprises screw type reaction bed and elevator two parts: the screw type reaction bed comprises outer cylinder body, inner barrel, inlet, discharging opening, screw type reaction bed and base, the screw type reaction bed is arranged between outer cylinder body and the inner barrel, be U type groove shape, inlet is arranged on screw type reaction bed top; Elevator comprises that water tank, driven pulley, delivery port, elevator bucket, chain, driving wheel, motor, reductor and frame constitute, and delivery port is arranged on water tank bottom, and elevator bucket links to each other with chain.
Specifically, moving-burden bed reactor of the present invention comprises screw type reaction bed and elevator two parts: the screw type reaction bed comprises parts such as outer cylinder body, inner barrel, inlet, discharging opening, deflection plate, screw type reaction bed and base; Elevator comprises parts such as water tank, driven pulley delivery port, elevator bucket, chain, driving wheel, motor, reductor and frame formation.The screw type reaction bed is arranged between outer cylinder body and the inner barrel, is U type groove shape, is made of base plate and two sides, three liner plates in bottom surface, and lining material is materials such as cast iron, steel plate, slabstone, glass cermaic plate or ceramic wafer; The every interlayer of screw type reaction bed is fixedly drop or not equidistant drop, and base plate is 0～45 ° with the horizontal line angle radially, preferred 3 °～30 °.Inlet is arranged on screw type reaction bed top.Elevator bucket is rectangular U type, rectangle, square or other geometry, offers some apertures on its housing, or makes with the stainless steel mesh of some order numbers, some numbers of plies, two ends respectively are provided with two axle ears, and link to each other the spacing 200mm of elevator bucket～600mm, preferred 300mm with chain.The screw type reaction bed adds block alkaline ore, under hydraulic blow and gravity effect, tumble to the screw type reaction bed and export, and fall in the elevator bucket of elevator, the aqueous solution drains in the water tank, from the leakage fluid dram device for transferring of water tank, block alkaline ore is thus lifted to screw type reaction bed top, pours spiral response bed inlet into and recycles.Water tank and screw type reaction bed outer cylinder body weld together, and are seal weld between the two, and discharge outlet is established in the water tank bottom.The shared chassis of elevator and screw type reaction bed.The neutralization reaction moving bed can be to open wide equipment, can be provision for sealing also, is preferably provision for sealing.The top is provided with block alkaline matter and adds mouth.
Moving-burden bed reactor of the present invention is the application in one or more acid water N-process in containing sulfur dioxide, sulfate radical, inferior sulfate radical, and alkaline matter adopts block lime stone or magnesite, and block alkaline matter equivalent diameter is 0.1～20cm.
The present invention is according to solid-liquid two-phase neutralization reaction process characteristic, when particularly solid phase was lump material, by hydraulic blow and gravity effect, material is fully contact on the screw type reaction bed, and finish neutralization reaction, crust is peeled off, is removed in the mutual friction of lump material phase, collision in motion process, and reaction product and liquid phase form slurries, outflow equipment, the lump material of complete reaction does not enter elevator, rises to screw type reaction bed top, and it is multiplexing to pour the screw type reaction bed into.Present device has realized adopting in the block alkaline matter and acid water, does not need the slurrying of block alkaline matter abrasive dust, and minimizing equipment cuts down the consumption of energy.Present device is simple in structure, floor space is little, be difficult for crust, incrustation, nothing stop up.Present device is applicable in the solid-liquid phase reaction that solid sediment produces, as contains sulfur dioxide acid water lime stone N-process, sulfur-bearing acid group (inferior sulfate radical) acid water lime stone N-process, and in the course of reaction of similar operating mode.
Description of drawings
Fig. 1 is an installation diagram of the present invention.
Fig. 2 is a vertical view of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.As shown in Figure 1, the present invention is made of screw type reaction bed 2 and elevator 1 two parts.The screw type reaction bed is made of outer cylinder body 14, inner barrel 16, inlet 13, spiral response bed discharging opening 17, deflection plate 12, screw type reaction bed 15 and base 18.The screw type reaction bed is arranged between outer cylinder body and the inner barrel, becomes U type groove shape, is made of base plate and two sides, three liner plates in bottom surface, and lining material is cast iron, steel plate, slabstone, glass cermaic plate or ceramic wafer, preferred diabase glass cermaic plate; The every interlayer of screw type reaction bed is fixedly drop or not equidistant drop, and preferred drop reduces gradually; Base plate is 0～45 ° with the horizontal line angle radially, and the outer upwarps, preferred 4 °～15 °.Elevator is made of water tank 3, driven pulley 4,10,11, water tank outlet 5, elevator bucket 6, chain 7, driving wheel 8, motor 19, reductor 20 and frame 9.Elevator bucket is rectangular U type, rectangle, square or other geometry, and elevator bucket is offered some apertures, or makes with the stainless steel mesh of some order numbers, some numbers of plies; The elevator bucket two ends respectively are provided with two axle ears, and link to each other with chain.Water tank and screw type reaction bed outer cylinder body weld together, and are seal weld between the two.The shared chassis of elevator and screw type reaction bed constitutes equipment integrating.
Neutralization reaction moving bed of the present invention, add block alkaline matter as with the neutralization reactant of acid water.During work, acid water flows to the screw type reaction bed from inlet, adds block alkaline ore at neutralization reaction moving bed top, preferred lime stone or giobertite; Block alkaline ore on the screw type reaction bed by hydraulic impulse and gravity effect under, along the screw type reaction bed of shape in the shape of a spiral with acid water flow (rolling) moving, in this process, alkalescence ore and acid water generation neutralization reaction, and there are salt or ite product to generate, attached to mineral surface, form crust; Crust is peeled off, is removed in alkalescence ore phase mutual friction, collision in motion process, and reaction product and liquid phase form slurries; Alkalescence ore and acid water and product tumble to screw type reaction bed discharging opening, and fall in the elevator bucket of elevator, after acid water is finished neutralization reaction, the slurries that form with product drain in the water tank, discharge from discharge outlet, can partly be circulated to simultaneously screw type reaction bed inlet, or part is circulated to middle certain position of screw type reaction bed.Block alkaline matter is thus lifted to screw type reaction bed top, pours in the screw type reaction bed to recycle.
Embodiment
Certain flue gas desulfurization acid water, pH value are 3.4, and adopting average diameter is the block lime stone of 5cm, solid-to-liquid ratio in the neutralizing device is 4: 6 (weight ratio), and the acid water time of staying is 2min, and discharge water pH value is 6.6, regularly throw in alkaline matter, can steady in a long-term turn round.
Claims (10)
1, a kind of moving-burden bed reactor, comprise screw type reaction bed and elevator two parts: the screw type reaction bed comprises outer cylinder body, inner barrel, inlet, discharging opening, screw type reaction bed and base, the screw type reaction bed is arranged between outer cylinder body and the inner barrel, be U type groove shape, inlet is arranged on screw type reaction bed top; Elevator comprises that water tank, driven pulley, delivery port, elevator bucket, chain, driving wheel, motor, reductor and frame constitute, and delivery port is arranged on water tank bottom, and elevator bucket links to each other with chain.
2, according to the described reactor of claim 1, it is characterized in that described screw type reaction bed is made of base plate and two sides, three liner plates in bottom surface, lining material is cast iron, steel plate, slabstone, glass cermaic plate or pottery.
3, according to claim 1 or 2 described reactors, it is characterized in that the every interlayer of described screw type reaction bed is fixedly drop or not equidistant drop, base plate is 0～45 ° with the horizontal line angle radially.
4, according to the described reactor of claim 1, it is characterized in that described elevator bucket is rectangular U type, rectangle, square or other geometry, offer some apertures on its housing, or make with the stainless steel mesh of some order numbers, some numbers of plies, two ends respectively are provided with two axle ears, the spacing 200mm of elevator bucket～600mm.
5, according to the described reactor of claim 1, it is characterized in that described water tank and screw type reaction bed outer cylinder body weld together, be seal weld between the two.
6,, it is characterized in that the shared chassis of described elevator and screw type reaction bed according to the described reactor of claim 1.
7, according to the described reactor of claim 1, it is characterized in that described moving-burden bed reactor is to open wide equipment, or provision for sealing.
8,, it is characterized in that described screw type reaction bed base plate outer upwarps 4 °～15 ° according to the described reactor of claim 2.
9, the arbitrary claim reactor of claim 1～8 application in one or more acid water N-process in containing sulfur dioxide, sulfate radical, inferior sulfate radical, alkaline matter adopts block lime stone or magnesite, and block alkaline matter equivalent diameter is 0.1～20cm.
10, according to the described application of claim 9, it is characterized in that the screw type reaction bed adds block alkaline ore, acid water is introduced from inlet, under hydraulic blow and gravity effect, tumble to the outlet of screw type reaction bed, and fall in the elevator bucket of elevator, the aqueous solution drains in the water tank, from the discharge outlet device for transferring of water tank, block alkaline ore is thus lifted to screw type reaction bed top, pours spiral response bed inlet into and recycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100474691A CN100438966C (en) | 2005-10-19 | 2005-10-19 | A moving-bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100474691A CN100438966C (en) | 2005-10-19 | 2005-10-19 | A moving-bed reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1951553A true CN1951553A (en) | 2007-04-25 |
| CN100438966C CN100438966C (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100474691A Active CN100438966C (en) | 2005-10-19 | 2005-10-19 | A moving-bed reactor |
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| CN (1) | CN100438966C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079351A (en) * | 2019-05-30 | 2019-08-02 | 青岛科技大学 | It is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2983051A (en) * | 1957-10-28 | 1961-05-09 | Dravo Corp | Apparatus for cooling particulate materials |
| BE823966A (en) * | 1974-01-29 | 1975-04-16 | PROCEDURE FOR EXECUTING REACTIONS BETWEEN PULVERULENT SUBSTANCES AND GASEOUS SUBSTANCES | |
| CN2353713Y (en) * | 1999-01-25 | 1999-12-15 | 中国矿业大学 | Rotary bucket type elevator |
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2005
- 2005-10-19 CN CNB2005100474691A patent/CN100438966C/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079351A (en) * | 2019-05-30 | 2019-08-02 | 青岛科技大学 | It is a kind of using helix tube moving-burden bed reactor as the biomass through pyrolysis production technology of core |
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| Publication number | Publication date |
|---|---|
| CN100438966C (en) | 2008-12-03 |
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