CN208893906U - The burnt system of dress coke installation and dress of activated coke adsorption tower - Google Patents
The burnt system of dress coke installation and dress of activated coke adsorption tower Download PDFInfo
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- CN208893906U CN208893906U CN201821370746.1U CN201821370746U CN208893906U CN 208893906 U CN208893906 U CN 208893906U CN 201821370746 U CN201821370746 U CN 201821370746U CN 208893906 U CN208893906 U CN 208893906U
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Abstract
This disclosure relates to a kind of dress coke installation of activated coke adsorption tower and the burnt system of dress.The device includes feed bin and charge pipe；The entrance of the charge pipe is connected to the feed bin, and the charge pipe includes the elephant trunk unit of multiple head and the tail connections, and the angle between the two neighboring elephant trunk unit is 50 °~140 °, and the elephant trunk unit has side-wall hole.It include the charge pipe of the elephant trunk unit composition of head and the tail connection in ground at an angle to each other in the dress coke installation of the disclosure, elephant trunk unit is turned back back and forth along absorption tower wall, flowing velocity of the activated coke particle in elephant trunk unit can be made to be maintained at optimum range, prevent particle from flowing breakage in pipe；Elephant trunk unit has side-wall hole, it can make activated coke particle after the outflow of the bottom opening of charge pipe, it is successively flowed out from bottom to up from side-wall hole again as material position rises, guarantee that the drop between particle stream out position and filling area activated coke material position is smaller, reduce activated coke Particle Breakage during loading, fine powder yield is reduced, the consumption of activated coke is reduced.
Description
Technical field
This disclosure relates to activated coke dry flue gas desulphurization technology field, and in particular, to a kind of dress of activated coke adsorption tower
Coke installation and the burnt system of dress.
Background technique
Activated coke dry FGD process technique starts industrial application the 1980s.With increasingly mentioning for environmental requirement
Height, activated coke dry FGD process technique are useless due to removing simultaneously with desulfuration efficiency height, multi-pollutant, reacting not water consumption, nothing
The outstanding advantages such as the corrosion-free problem of water waste sludge discharge, system equipment cause more and more to pay attention to, and technique application at present is increasingly
Extensively.
Activated coke has the function of desulphurization and denitration, dedusting and multiple-pollutant simultaneous removing, and principle is its porous and table
Face active function groups structure feature abundant.Specifically, activated coke is by absorbing SO2And it is catalytically conveted to H2SO4Storage
In the hole of activated coke, the function of desulfurization is realized；The active group on activated coke surface can be catalyzed NOxWith NH3Reaction generates
N2, while the nitrogen-containing group of activated coke ontology also can be with NOxReaction generates N2, realize the function of denitration；Activated coke bed has one
Fixed filtering function can absorb and filter particulate matter, mercury and other organic matters etc., realize dedusting and multiple-pollutant simultaneous removing
Function.
The core of typical activated coke dry FGD process technique relies on activated coke moving bed adsorption tower and regenerator, inhales
Attached tower has two sections of cross-current type structures, single hop cross-flow divided chamber structure and counter flow type structure etc. a variety of.Wherein, two sections of cross-current type structures
Adsorption tower divides two sections adsorption bed, and two sections are cross-flow contact.Former flue gas enters adsorption tower from lower part, in lower section adsorbent bed
Layer is contacted with activated coke cross-flow, then enters back into upper section adsorption bed after going out from lower section adsorption bed side, with activated coke cross-flow again
Contact, finally goes out from upper section adsorption bed side.Activated coke then passes sequentially through upper section cross-flow adsorption zone and lower section cross-flow from top to bottom
Adsorption zone, the activated coke for completing absorption are sent out from adsorption tower bottom.
Three Room before, during and after single hop cross-flow divided chamber structure adsorption tower point, centre are separated with porous plate, and activated coke is from tower top
Three Room before, during and after distributed area enters simultaneously, the rate travel of three toxicities coke can be separately adjustable；Fume side goes out into side, successively
By preceding middle rear chamber, contacted with activated coke cross-flow.Since pollutant concentration is higher in the flue gas of cup activated coke contact, activated coke
Most reaching adsorption saturation fastly, middle room is taken second place, and rear chamber is most slow, so the operating rate of three toxicity cokes can be separately adjustable, with
Make full use of activated coke to the adsorbing and removing ability of pollutant.
Counter flow type structure adsorption tower activated coke passes through adsorption tower, flue gas from absorption tower bottom distribution channel into
Enter, carry out counter current contacting with activated coke and completes the removing of pollutant in flue gas.It is inverse that its major advantage, which is activated coke with flue gas,
Stream contact, it is very high to the removal efficiency of pollutant in flue gas.Counter flow type structure adsorption tower using relatively fewer.
In general, the residence time of activated coke, adsorption tower volume was larger up to 5~7 days in adsorption tower, the activity loaded in tower
Coke amount is very big, generally up to thousands of tons of.When adsorption tower loads activated coke for the first time, activated coke enters tower top from top-feed tank, from
Tower top directly feeds, and since adsorption tower is up to 20~30 meters, activated coke drop is generally all at 10 meters or more, Gao Shida 25~30
Rice；And activated coke diameter about 9mm, it is mostly cylindric, intensity be not it is too high, this packing method bring main problem has:
Cause a certain number of activated cokes broken first is that high drop will lead to, influences recycling for activated coke；Second is that activated coke is broken
When can generate more coke powder, activated coke bed pressure drop and neat stress particle content may be will increase；Third is that will lead to activity
The reduction of char strength influences the recycled for multiple times of activated coke, increases the consumption of activated coke.
Utility model content
Purpose of this disclosure is to provide a kind of dress coke installation of activated coke adsorption tower and burnt system is filled, which can
Effectively reduce dress it is burnt during activated coke it is broken.
To achieve the goals above, disclosure first aspect provides a kind of dress coke installation of activated coke adsorption tower, the device
Including feed bin and charge pipe；The entrance of the charge pipe is connected to the feed bin, and the charge pipe includes what multiple head and the tail connected
Elephant trunk unit, the angle between the two neighboring elephant trunk unit is 50~140 °, and the elephant trunk unit has side-wall hole.
Optionally, which includes 1~4 charge pipe.
Optionally, the elephant trunk unit of the charge pipe is in the same plane and is formed as W-shaped and back and forth turns back；It is two neighboring
Angle between the elephant trunk unit is equal, and the angle is 90 °~120 °.
Optionally, the elephant trunk unit has 1~5 spaced side-wall hole, and the side-wall hole direction is upward.
Optionally, the tube section of the elephant trunk unit is circle, is connected with turning between the two neighboring elephant trunk unit
Elbow.
Optionally, the caliber of the elephant trunk unit is 80~500mm.
Disclosure second aspect provides a kind of dress coke system of activated coke adsorption tower, the system include activated coke adsorption tower and
Activated coke adsorption tower described in disclosure first aspect fills coke installation.
Optionally, the feed bin is set to the top of the activated coke adsorption tower, and the charge pipe protrudes into along the vertical direction
The activated coke filling area of the activated coke adsorption tower, side wall of the elephant trunk unit of the charge pipe along the activated coke filling area are past
It turns back again, the angle of the elephant trunk unit and horizontal direction is 25 °~70 °, and the outlet at bottom of the charge pipe and side wall are opened
Hole is connected to the activated coke filling area respectively.
Optionally, height of the outlet at bottom of the charge pipe away from activated coke filling area bottom is 300~1000mm.
Optionally, the two neighboring side-wall hole is 200~800mm in the difference in height of vertical direction.
Through the above technical solutions, including charge pipe in the dress coke installation of the disclosure, charge pipe includes that ground at an angle to each other is first
The elephant trunk unit of tail connection, elephant trunk unit are turned back back and forth along absorption tower wall, can make activated coke particle in elephant trunk unit
Flowing velocity is maintained at optimum range, prevents activated coke particle from flowing breakage in pipe；Elephant trunk unit has side-wall hole, can make
Activated coke particle is successively flowed out from side-wall hole after the outflow of the bottom opening of charge pipe as material position rises from bottom to up again,
Guarantee that the drop between particle stream out position and filling area activated coke material position is smaller, activated coke particle is broken during reducing filling
It is broken, fine powder yield is reduced, to reduce the consumption of activated coke.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the dress coke installation of the activated coke adsorption tower of the prior art；
A kind of structural schematic diagram of specific embodiment of the dress coke installation of the adsorption tower of Fig. 2 disclosure.
A kind of side-wall hole schematic diagram of specific embodiment of the dress coke installation of the adsorption tower of Fig. 3-1 disclosure.
The side-wall hole schematic diagram of another specific embodiment of the dress coke installation of the adsorption tower of Fig. 3-2 disclosure.
The side-wall hole schematic diagram of the third specific embodiment of the dress coke installation of the adsorption tower of Fig. 3-3 disclosure.
The side-wall hole schematic diagram of 4th kind of specific embodiment of the dress coke installation of the adsorption tower of Fig. 3-4 disclosure.
Description of symbols
A, feed bin B, activated coke moving bed adsorption tower
B1, former smoke inlet area B2, lower section cross-flow adsorption zone
B3, middle section redistribution area B4, upper section cross-flow adsorption zone
B5, neat stress outlet area C, elephant trunk unit
D1, side-wall hole D2, charge pipe outlet at bottom
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to device and exists
It is upper and lower under normal operating condition." inside and outside " is for the profile of device itself.
As shown in Fig. 2, disclosure first aspect provides a kind of dress coke installation of activated coke adsorption tower, which includes feed bin
A and charge pipe；The entrance of charge pipe is connected to feed bin A, and charge pipe includes the elephant trunk unit C of multiple head and the tail connection, two neighboring
Angle between elephant trunk unit C is 50 °~140 °, and elephant trunk unit C has side-wall hole D1.
It include charge pipe in the dress coke installation of the disclosure, charge pipe includes the elephant trunk unit of head and the tail connection in ground at an angle to each other,
Elephant trunk unit is turned back back and forth along absorption tower wall, and flowing velocity of the activated coke particle in elephant trunk unit can be made to be maintained at suitable
Range prevents activated coke particle from flowing breakage in pipe；Elephant trunk unit has side-wall hole, and activated coke particle can be made from charge pipe
Bottom opening outflow after, with material position rise again from bottom to up successively from side-wall hole flow out, guarantee particle stream out position with
Drop between the activated coke material position of filling area is smaller, reduces activated coke Particle Breakage during filling, reduces fine powder yield, from
And reduce the consumption of activated coke.Using the dress coke installation of the disclosure, adsorption tower is loaded for the first time in the overall process of activated coke, activated coke
Drop remains in certain distance, and crushing when activated coke fills coke for the first time can be greatly decreased, and coke powder yield is less than
0.05%, and the reduction of active char strength will not be brought, be conducive to recycling for activated coke during absorption regeneration, reduce and live
Property burnt consumption.
According to the disclosure, filling in coke installation may include one or more above-mentioned charge pipes, the specific number of charge pipe
It can be selected according to the number of activated coke filling area, area and distribution in adsorption tower, it is fast when in order to guarantee that adsorption tower goes into operation
It is burnt that speed equably completes dress, it is preferable that the apparatus may include 1~4 charge pipes.In the embodiment illustrated in fig. 2, it inhales
Attached tower includes two activated coke filling areas, and dress coke installation correspondingly may include two charge pipes or 4 charge pipes.
It is easily installed to make to fill coke installation, in a kind of specific embodiment of the disclosure, the elephant trunk unit of charge pipe
It is in the same plane and is formed as W-shaped and back and forth turn back；Angle between two neighboring elephant trunk unit can be equal or unequal,
Further, the angle between two neighboring elephant trunk unit is equal and preferably 90~120 °, so that activated coke particle is in elephant trunk
Interior smooth outflow, and guarantee the activated coke particulate material muzzle velocity flowed out from elephant trunk in optimum range.
According to the disclosure, the number of elephant trunk unit and the number of each elephant trunk unit upper side wall aperture in each charge pipe
It can be selected according to the size of filling area, for example, each elephant trunk unit can in a kind of specific embodiment of the disclosure
To have 1~5, the side-wall hole of preferably 2~3 axially spaced settings, to ensure between two neighboring side-wall hole
Distance is in optimum range, to make height of the activated coke outlet away from activated coke material position in adsorption tower in a certain range, each
The number and spacing of elephant trunk unit upper side wall aperture can be equal or different, preferably equal；Further, it fed in order to prevent
Activated coke is flowed out from the side-wall hole on elephant trunk top in journey, in a kind of preferred embodiment of the disclosure, such as Fig. 3-1 institute
Show, side-wall hole direction can be upward；The shape and size of side-wall hole do not have particular/special requirement, such as can be rectangular opening (figure
3-1), round hole (Fig. 3-2), slotted eye (Fig. 3-3) or irregularly-shaped hole (Fig. 3-4), or be the two or three or four in them
The combination of person, the aperture of side-wall hole can be 5~30 times of activated coke particle diameter；The shape and size of multiple side-wall holes
Can be identical or different, it is preferably identical to process.
According to the disclosure, the shape and size of elephant trunk unit do not have a particular/special requirement, for example, elephant trunk unit perpendicular to axial direction
Tube section can be round, rectangular or rectangle, it is preferable that the tube section of elephant trunk unit be circle.
According to the disclosure, elephant trunk unit can be connected by two sections of opening head and the tail, to form the charge pipe of connection, and be added
The side wall of expects pipe have can pass through the opening of activated coke particle；Further, for the ease of activated coke particle in elephant trunk unit
Joint is mobile, prevents activated coke particle in elephant trunk unit joint brinelling, in a kind of specific embodiment of the disclosure
In, it can connect turning elbow between two neighboring elephant trunk unit.
Further, the caliber of elephant trunk unit can be 80~500mm, preferably 150~350mm, to guarantee activated coke
Particle is mobile smooth in elephant trunk unit and has suitable muzzle velocity.
Disclosure second aspect provides a kind of dress coke system of activated coke adsorption tower, the system include activated coke adsorption tower and
The activated coke adsorption tower of disclosure first aspect fills coke installation.
In a kind of specific embodiment of the disclosure, as shown in Fig. 2, for the ease of activated coke filling, feed bin A can be set
It is placed in the top of activated coke adsorption tower, charge pipe can protrude into the activated coke filling area of activated coke adsorption tower along the vertical direction, add
The elephant trunk cells D 1 of expects pipe can back and forth turn back along the side wall of activated coke filling area, and in other words, the elephant trunk unit of charge pipe is in folding
Threadiness is turned back back and forth, and the both ends of each elephant trunk unit are supported in the opposite two side walls in activated coke filling area；Further,
Elephant trunk unit and the angle of horizontal direction can be 25 °~70 °, preferably 45 °~60 °, and the outlet at bottom of charge pipe and side
Wall aperture can be connected to activated coke filling area respectively.
The dress coke system of the disclosure go into operation fill coke when, activated coke particle from feeding chamber enter charge pipe at the top of enter
Mouth simultaneously flows downward to the outflow of charge pipe outlet at bottom in elephant trunk unit, and in activated coke filling area, activated coke material position rises
To the height of charge pipe outlet at bottom, activated coke starts from the elephant trunk unit sidewall aperture stream nearest apart from charge pipe outlet at bottom
Out, and so on, as material position gradually rises, activated coke is sequentially flowed out from charging bottom of the tube to the side-wall hole at top, as a result,
It can guarantee the height fall between activated coke material position and activated coke outflux in certain distance, to prevent activated coke direct
Lead to Particle Breakage from the fashionable height fall of top-feed binning is excessive.
Further, the outlet at bottom of charge pipe is 500~800mm away from the highly preferred of activated coke filling area bottom, with
When guaranteeing initial filling activated coke particle, the activated coke particle flowed out from charge pipe outlet at bottom is away from activated coke filling area bottom
Distance is in optimum range, Particle Breakage when preventing from initially filling burnt.
Further, two neighboring side-wall hole can be 200~800mm in the difference in height of vertical direction, to guarantee to live
Property coke material position and activated coke outflux between height fall be suitable for activated coke Particle Breakage during further preventing dress burnt.
In the disclosure, two neighboring side-wall hole on the angle and elephant trunk unit of the two neighboring elephant trunk unit of adjusting can be passed through
Distance adjusts two neighboring side-wall hole in the difference in height of vertical direction.
Below with reference to embodiment, the disclosure is further illustrated, but therefore the disclosure is not any way limited.
Embodiment:
May include: using the burnt process of the dress coke installation dress of the activated coke adsorption tower of the disclosure
As shown in Fig. 2, being void tower in activated coke moving bed adsorption tower, not loading activated coke before going into operation.By fresh activity coke
It is first promoted to top-feed platform, fresh activity coke is added to by absorption tower top feed pot A, tower top feed pot to be adsorbed by pipeline
After interior material position reach a certain height, fresh activity coke accordingly enters two groups of charge pipes of adsorption tower two sides by gravity.Due to weight
Power effect, fresh activity coke constantly slide downwards along elephant trunk unit C, reach up to charging bottom of the tube from charge pipe outlet at bottom
D2 (i.e. positioned at the bottom opening of the elephant trunk unit of bottommost) comes out, and fresh activity coke enters absorption tower bottom.With new fresh and alive
Property coke from absorption tower top feed pot be continuously added, absorption tower bottom material position constantly increase.When adsorption tower bottom, activated coke material position reaches
When near charge pipe outlet at bottom D2, fresh activity coke comes out from elephant trunk bottom from charge pipe outlet at bottom D2 and is obstructed, at this point, newly
Fresh and alive property coke is deposited in inside elephant trunk and piling height is continuously increased, when reaching the side-wall hole D1 of bottom elephant trunk unit, newly
Fresh activated coke comes out from the side-wall hole and continues to load adsorption tower.With continuing for fresh activity coke charging, adsorption tower
Bottom activated coke material position continues to increase, and near the side-wall hole D1 that material position reaches bottom elephant trunk unit, activated coke continues slipping again
Accumulation in pipe and come out from a upper side-wall hole D1 after reaching a side-wall hole D1, continue to fill adsorption tower
It fills out, material position persistently increases in adsorption tower.So circulation, until activated coke material position reaches the side wall of the top of the elephant trunk of top
When near aperture D1, the material position for adsorbing tower top feed pot at this time, which no longer reduces, to be started to increase, and activated coke is filled substantially in adsorption tower,
Fresh activity coke filling process terminates, and is prepared to enter into adsorption process.
As shown in this Fig. 2, respectively there are an adsorption zone in adsorption tower two sides, and each adsorption zone includes the upper section cross-flow of coaxial arrangement
Adsorption zone B4 and lower section cross-flow adsorption zone B2, each adsorption zone are all provided with there are two charge pipe, can be passed through between two charge pipes
Vertical connecting tube connection as shown in Figure 2, therefore 4 charge pipes are shared in adsorption tower shown in Fig. 2.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of dress coke installation of activated coke adsorption tower, which is characterized in that the device includes feed bin and charge pipe；The charge pipe
Entrance be connected to the feed bin, the charge pipe includes the elephant trunk unit of multiple head and the tail connection, the two neighboring elephant trunk list
Angle between member is 50 °~140 °, and the elephant trunk unit has side-wall hole.
2. dress coke installation according to claim 1, which is characterized in that the device includes 1~4 charge pipe.
3. dress coke installation according to claim 1, which is characterized in that the elephant trunk unit of the charge pipe is generally aligned in the same plane
It is interior and be formed as W-shaped and back and forth turn back；Angle between the two neighboring elephant trunk unit is equal and angle is 90 °~120 °.
4. dress coke installation according to claim 1, which is characterized in that the elephant trunk unit is spaced with 1~5
Side-wall hole, the side-wall hole direction is upward.
5. dress coke installation according to claim 1, which is characterized in that the tube section of the elephant trunk unit is circle, adjacent
Turning elbow is connected between two elephant trunk units.
6. filling coke installation according to claim 1 or 5, which is characterized in that the caliber of the elephant trunk unit be 80~
500mm。
7. a kind of dress coke system of activated coke adsorption tower, which is characterized in that the system includes activated coke adsorption tower and claim 1
Activated coke adsorption tower described in any one of~6 fills coke installation.
8. system according to claim 7, which is characterized in that the feed bin is set to the upper of the activated coke adsorption tower
Side, the charge pipe protrude into the activated coke filling area of the activated coke adsorption tower, the elephant trunk list of the charge pipe along the vertical direction
Side wall of the member along the activated coke filling area is back and forth turned back, and the angle of the elephant trunk unit and horizontal direction is 25 °~70 °, and
The outlet at bottom and side-wall hole of the charge pipe are connected to the activated coke filling area respectively.
9. system according to claim 7, which is characterized in that the outlet at bottom of the charge pipe is loaded away from the activated coke
The height of area bottom is 300~1000mm.
10. system according to claim 7, which is characterized in that height of the two neighboring side-wall hole in vertical direction
Degree difference is 200~800mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821370746.1U CN208893906U (en) | 2018-08-23 | 2018-08-23 | The burnt system of dress coke installation and dress of activated coke adsorption tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821370746.1U CN208893906U (en) | 2018-08-23 | 2018-08-23 | The burnt system of dress coke installation and dress of activated coke adsorption tower |
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