CN109908757A - A kind of carbon base catalyst regenerating unit and regeneration method - Google Patents
A kind of carbon base catalyst regenerating unit and regeneration method Download PDFInfo
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- CN109908757A CN109908757A CN201910311363.XA CN201910311363A CN109908757A CN 109908757 A CN109908757 A CN 109908757A CN 201910311363 A CN201910311363 A CN 201910311363A CN 109908757 A CN109908757 A CN 109908757A
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- orifice plate
- base catalyst
- carbon base
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Abstract
The present invention provides a kind of carbon base catalyst regenerating unit and regeneration method, which includes the feeding inlet being sequentially connected, desorption section, recover section, discharge port；Desorption section is equipped with and the high-temperature water vapor outlet being connected inside tower body and high-temperature water vapor entrance；The high-temperature vapor gas source that high-temperature water vapor entrance is drawn after tentatively doing work with steam turbine of thermal power plant is connected；Recover section is equipped with and the cooling air inlet and cooling gas outlet that are connected inside tower body.High-temperature vapor extraction after the present invention is tentatively done work using steam turbine of thermal power plant carries out heating regeneration to carbon base catalyst as heat source, it avoids and additionally utilizes electrically heated energy consumption, and high-temperature vapor has activation, the pore structure that carbon base catalyst can be improved further improves the adsorption capacity of carbon base catalyst.
Description
Technical field
The invention belongs to industrial tail gas purification techniques fields, and in particular to a kind of carbon base catalyst regenerating unit and technique.
Background technique
Using carbon base catalyst as adsorbent and the industrial tail gas integration Pollutant Control Technology of catalyst, can take off simultaneously
Except heavy metals such as sulfur dioxide therein, nitrogen oxides, fluoride, flue dust, mercury.The technology water consumption is few, and desulfuration byproduct can provide
Sourceization utilizes, and can be recycled after carbon base catalyst regeneration, belongs to industrial tail gas advanced purification technology, in electric power, steel, smelting
Multiple industries such as refining, food have great application prospect.
The common carbon base catalyst regeneration method of industry at present is heating regeneration.By heating carbon base catalyst to 350 DEG C
More than, following chemical reaction occurs, releases SO2。
H2SO4*+1/2C=SO2+1/2CO2+H2O
NH4HSO4*= SO2+1/3N2+1/3NH3+2H2O
(NH4)2SO4*=2 NH3+ SO3+ H2O
SO3+C= SO2+C…O
C…O+ NH3→C…R
Wherein * indicates ADSORPTION STATE, and C ... indicates the compound on carbon base catalyst surface.
Heating method of reproduction does not consume water resource, will not cause secondary pollution, and obtained by-product resourcebility utilizes.Mesh
The heat source of preceding heating regeneration technology is obtained using the coal gas generated in burning production technology in the steel industry, and in firepower
It is obtained in power generation using electric heating, additionally causes higher energy consumption, and need to introduce inert gas conduct in regenerative process
Gas is protected, the chemical depletion and physical deterioration of carbon base catalyst are also caused.
Summary of the invention
The purpose of the present invention is to solve defect existing in the prior art, a kind of energy conservation and environmental protection is provided and can be improved
The regenerating unit of Catalyst Adsorption performance.
In order to achieve the above object, the present invention provides a kind of carbon base catalyst regenerating unit, which uses tower
Body structure, including feeding inlet, the desorption section, recover section, discharge port being sequentially connected；Desorption section is equipped with and is connected inside tower body
High-temperature water vapor outlet and high-temperature water vapor entrance；What high-temperature water vapor entrance and steam turbine of thermal power plant were drawn after tentatively doing work
High-temperature vapor gas source is connected；Recover section is equipped with and the cooling air inlet and cooling gas outlet that are connected inside tower body.
Further, tower body is interior, uniformly distributed several ripple baffle plates along short transverse setting in parallel are desorbed at fragment position, will
It is desorbed inside the tower body of section and is separated to form several blanking channels, the upper end of each blanking channel, the connection of lower end interval are integrally formed one
A serpentine path；High-temperature water vapor entrance and high-temperature water vapor outlet are located at desorption section lower end two sides, roll over by ripple
The serpentine path that flowing plate is formed is connected.
Further, the angle degree of each supporting plate and horizontal plane of organizing corrugated baffle plate is all larger than charcoal base catalysis to be regenerated
Agent angle of repose；The correspondence bending point of each ripple baffle plate is located in same horizontal line, and the correspondence bending of adjacent corrugations bending plate
The distance between point is less than the horizontal distance between the neighbouring bending point of same ripple baffle plate.
Further, high-temperature water vapor entrance and high-temperature water vapor exit be respectively equipped with high-temperature vapor air inlet orifice plate and
High-temperature vapor outlet orifice plate；High-temperature vapor air inlet orifice plate and high-temperature vapor outlet orifice plate include deflector, orifice plate and
Support frame；Deflector and support plate are respectively arranged on orifice plate upper and lower ends, high-temperature vapor air inlet orifice plate and high-temperature vapor outlet
Orifice plate is fixed at tower body inner wall, high-temperature water vapor entrance and high-temperature water vapor outlet pair by corresponding deflector and support frame
It answers at position；Deflector is arranged diagonally downward, and top incline is towards inside tower body；Support frame is multiple angular support frames, each angle
Gap is equipped between shape bracket.
Further, be equipped at the intracorporal feeding inlet position of tower it is several with the one-to-one entrance partition of ripple baffle plate and
Changeover portion partition, each corresponding entrance partition are connected with changeover portion partition；It is equipped at the upper end position of recover section inside tower body
Feed orifice plate；The ripple baffle plate and the top changeover portion partition that are arranged in desorption section, lower section feed orifice plate interval and are connected, and with mistake
It crosses interval between section partition and feed opening partition and forms gap, so that the lower end of each blanking channel, the connection of upper end interval.
Further, the angle of changeover portion partition and horizontal plane is greater than the angle of repose of carbon base catalyst to be regenerated.
Further, baffling orifice plate, conveying pipeline, discharge hole are from top to bottom successively arranged at the intracorporal recovery fragment position of tower
Plate；Baffling orifice plate is two, is located inside tower body at the different height of two sides in the horizontal direction respectively, the baffling orifice plate of lower section is located at
One upper side of nearly cooling air inlet, the baffling orifice plate of top are located at one side-lower of cooler outlet；Feed orifice plate, discharging orifice plate,
The through-hole being arranged on baffling orifice plate is corresponding, and is adapted with conveying pipeline；Conveying pipeline is multiple, through-hole in quantity and charging orifice plate
Quantity is consistent；Conveying pipeline one end is fixed at the corresponding through hole of charging orifice plate, and the other end passes through corresponding baffling orifice plate and fixes
Set on the correspondence through hole of discharging orifice plate.
Further, equipped with several slide carriages in tower body, at discharge port position；The angle of each slide carriage and horizontal plane is greater than to again
The angle of repose of raw carbon base catalyst.
The present invention also provides carbon base catalyst regeneration method is carried out using above-mentioned regenerating unit, which passes through
The high-temperature vapor input desorption section drawn after steam turbine of thermal power plant is tentatively done work, by high-temperature vapor to carbon base catalyst
It is desorbed, the carbon base catalyst after desorption enters cooling section, cools down realization regeneration by cooling gas.
The present invention has the advantage that compared with prior art
1. the present invention tentatively do work using steam turbine of thermal power plant after high-temperature vapor extraction as heat source to carbon base catalyst into
Row heating regeneration, avoids additionally using electrically heated energy consumption, and high-temperature vapor has activation, can improve charcoal base and urge
The pore structure of agent further improves the adsorption capacity of carbon base catalyst.
2. carbon base catalyst and vapor directly contact in regenerative process of the present invention, other protection gas are not needed to prevent
Only catch fire.Vapor can partially absorb the sulfuric acid of carbon base catalyst absorption, also reduce and regenerated while being more advantageous to regeneration
The chemical depletion of carbon base catalyst in journey.
3. regenerating unit of the present invention increases separately demarcation plate, slide carriage and ripple baffling in feeding inlet, discharge port and desorption section
Plate plays stream and buffer function to carbon base catalyst, improves mobility status of the carbon base catalyst in tower, alleviate charcoal
Base catalyst falls broken physical deterioration.
Both 4. ripple baffle plate also adds the stroke of carbon base catalyst and vapor in desorption section, improve
Exchange heat situation, is conducive to also reduce the desorption section size of regenerating unit while carbon base catalyst desorption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of regenerating unit of the present invention；
Fig. 2 is the internal structure chart of regenerating unit in Fig. 1；
Fig. 3 is the structural schematic diagram of feeding inlet and desorption section in Fig. 1；
Fig. 4 is the structural schematic diagram of recover section and discharge port in Fig. 1；
Fig. 5 is the position view that orifice plate, discharging orifice plate, baffling orifice plate are fed in Fig. 4；
Fig. 6 is the connection schematic diagram of feeding inlet punishment partition and ripple baffle plate in desorption section in Fig. 3；
Fig. 7 is Fig. 3 high temperature steam entry orifice plate, the structural schematic diagram for exporting orifice plate；
Fig. 8 is the local size schematic diagram of ripple baffle plate in Fig. 6.
In figure, section, the outlet of 3- high-temperature vapor, 4- cooling gas outlet, 5- recover section, 6- discharging is desorbed in 1- feeding inlet, 2-
Mouthful, 7- high-temperature vapor entrance, 8- cooling air inlet, 9- ripple baffle plate, 10- high-temperature vapor outlet orifice plate, 11- high-temperature water
Steam air inlet orifice plate, 12- feed orifice plate, 13- baffling orifice plate, 14- conveying pipeline, 15- discharge orifice plate, 16- slide carriage, 17- entrance every
Plate, 18- changeover portion partition, 20- deflector, 21- orifice plate, 22- support frame.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
As shown in Figure 1, carbon base catalyst regenerating unit of the present invention includes feeding inlet 1, desorption section 2, high-temperature vapor outlet
3, cooling gas outlet 4, recover section 5, discharge port 6, high-temperature vapor entrance 7, cooling air inlet 8.As shown in Figure 2,3, section 3 is desorbed
Include ripple baffle plate 9, high-temperature vapor air inlet orifice plate 11 and high-temperature vapor outlet orifice plate 10.As shown in Figure 4,5, recover section
5 include charging orifice plate 12, baffling orifice plate 13, conveying pipeline 14, discharging orifice plate 15.Discharge port 6 includes slide carriage 16, the bottom of slide carriage 16
There is certain interval between the skew wall of 6 changeover portion of discharge port corresponding thereto, is used for carbon base catalyst discharging.As shown in fig. 6, pan feeding
Mouth 1 includes entrance partition 17 and changeover portion partition 18.As shown in fig. 7, high-temperature vapor air inlet orifice plate 11 and outlet orifice plate 10 by
Deflector 20, orifice plate 21 and support frame 22 form.As shown in figure 8, when entering ripple baffle plate 9 in order to avoid carbon base catalyst not
It walks ripple route and walks straight line path vertically downward, cause local carbon base catalyst unsmooth flowing and fall broken physics damage
Consumption should make size b > size a, and angle [alpha] and angle beta (organizing each supporting plate of corrugated baffle plate and the angle of horizontal plane) are big
In the angle of repose of carbon base catalyst.In addition, the changeover portion partition 18 of feeding inlet 1 and the slide carriage 16 and horizontal plane of discharge port 6 should be made
Angle also greater than the angle of repose of carbon base catalyst, make carbon base catalyst smooth outflow.
When carrying out carbon base catalyst regeneration, carbon base catalyst is shunted by feeding inlet 1 through entrance partition 17 and transition partition 18
Afterwards, into the ripple baffle plate 9 of desorption section 3,300 DEG C -500 DEG C of the high-temperature water drawn after tentatively being done work by steam turbine of thermal power plant
For steam by high-temperature vapor entrance 7 by the input desorption section 3 of air inlet orifice plate 11, pile warp ripple baffle plate 9 is logical according to serpentine path
The carbon base catalyst in desorption section 3 is crossed, passes through outlet orifice plate 10 together with regeneration gas by 10 discharge of high-temperature vapor outlet.It is de-
Recovered section 5 of attached carbon base catalyst of charging orifice plate 12 enters conveying pipeline 14, and cooling gas is entered extensive by cooling air inlet 8
Multiple section 5, pile warp baffling orifice plate 13, by cooling gas outlet 4 after exchanging heat according to the carbon base catalyst in serpentine path and conveying pipeline 14
Discharge, is restored to 100 DEG C or so of carbon base catalyst and is discharged through slide carriage 16 by discharge port 6 by discharging orifice plate 15.Carbon base catalyst
When being moved from the top down in desorption section 3, the material that air inlet orifice plate 11 and outlet orifice plate 10 leak out, between support frame 22
Gap fall, into recover section 5.
Claims (9)
1. a kind of carbon base catalyst regenerating unit, it is characterised in that: the regenerating unit uses housing structure, including is sequentially connected
Feeding inlet, desorption section, recover section, discharge port；The desorption section is equipped with to go out with the high-temperature water vapor being connected inside tower body
Mouth and high-temperature water vapor entrance；The high-temperature vapor that the high-temperature water vapor entrance and steam turbine of thermal power plant are drawn after tentatively doing work
Gas source is connected；The recover section is equipped with and the cooling air inlet and cooling gas outlet that are connected inside tower body.
2. regenerating unit according to claim 1, it is characterised in that: be evenly distributed in parallel in the tower body, at desorption fragment position
Several ripple baffle plates along short transverse setting, are separated to form several blanking channels for being desorbed inside the tower body of section, each blanking
The upper end in channel, the connection of lower end interval, are integrally formed a serpentine path；The high-temperature water vapor entrance and high-temperature water vapor go out
Mouth is located at desorption section lower end two sides, is connected by the serpentine path that the ripple baffle plate is formed.
3. regenerating unit according to claim 2, it is characterised in that: the ripple baffle groups at each supporting plate and horizontal
The angle degree in face is all larger than carbon base catalyst angle of repose to be regenerated；The correspondence bending point of each ripple baffle plate is located at same level
On line, and the distance between correspondence bending point of adjacent corrugations bending plate be less than the neighbouring bending point of same ripple baffle plate it
Between horizontal distance.
4. regenerating unit according to claim 2 or 3, it is characterised in that: the high-temperature water vapor entrance and high-temperature water steam
High-temperature vapor air inlet orifice plate and high-temperature vapor outlet orifice plate are respectively equipped at vapor outlet；The high-temperature vapor air inlet orifice plate
It include deflector, orifice plate and support frame with high-temperature vapor outlet orifice plate；The deflector and support plate are respectively arranged on described
The upper and lower ends of orifice plate side, the high-temperature vapor air inlet orifice plate and high-temperature vapor outlet orifice plate pass through corresponding deflector
It is fixed at the tower body inner wall, high-temperature water vapor entrance and high-temperature water vapor export corresponding position with support frame；It is described to lead
Flowing plate is arranged diagonally downward, and top incline is towards inside tower body；Support frame as described above be multiple angular support frames, each angular support frame it
Between be equipped with gap.
5. regenerating unit according to claim 4, it is characterised in that: be equipped in the tower body, at feeding inlet position several
Entrance partition is corresponded with ripple baffle plate and changeover portion partition, each corresponding entrance partition are connected with changeover portion partition；Institute
It states inside tower body, be equipped with charging orifice plate at the upper end position of recover section；The ripple baffle plate and top mistake of the desorption section setting
Cross a section partition, lower section charging orifice plate interval be connected, and between changeover portion partition and feed opening partition interval form gap, thus
So that the lower end of each blanking channel, the connection of upper end interval.
6. regenerating unit according to claim 5, it is characterised in that: the angle of the changeover portion partition and horizontal plane is greater than
The angle of repose of carbon base catalyst to be regenerated.
7. regenerating unit according to claim 5, it is characterised in that: in the tower body, restore at fragment position from top to bottom
It is successively arranged baffling orifice plate, conveying pipeline, discharging orifice plate；The baffling orifice plate is two, is located in tower body in the horizontal direction respectively
At the different height of portion two sides, the baffling orifice plate of lower section is located at one upper side of cooling air inlet, and the baffling orifice plate of top is located at
One side-lower of cooler outlet；The charging orifice plate, discharging orifice plate, the through-hole that is arranged on baffling orifice plate are corresponding, and with
The conveying pipeline is adapted；The conveying pipeline be it is multiple, quantity with feed orifice plate on number of openings it is consistent；Described conveying pipeline one end
It is fixed at the corresponding through hole of charging orifice plate, the other end is logical across the correspondence that corresponding baffling orifice plate is fixed at discharging orifice plate
At hole.
8. regenerating unit according to claim 6, it is characterised in that: be equipped in the tower body, at discharge port position several
Slide carriage；The angle of each slide carriage and horizontal plane is greater than the angle of repose of carbon base catalyst to be regenerated.
9. a kind of carry out carbon base catalyst regeneration method using regenerating unit described in Claims 2 or 3, it is characterised in that: should
Regeneration method passes through high-temperature vapor by the high-temperature vapor input desorption section drawn after steam turbine of thermal power plant tentatively does work
Carbon base catalyst is desorbed, the carbon base catalyst after desorption enters cooling section, cools down reality by cooling gas
Now regenerate.
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| CN201910311363.XA CN109908757A (en) | 2019-04-18 | 2019-04-18 | A kind of carbon base catalyst regenerating unit and regeneration method |
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| CN201910311363.XA CN109908757A (en) | 2019-04-18 | 2019-04-18 | A kind of carbon base catalyst regenerating unit and regeneration method |
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Cited By (1)
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| CN110354916A (en) * | 2019-08-12 | 2019-10-22 | 国电环境保护研究院有限公司 | A kind of carbon base catalyst regenerative system |
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