CN113956902B - Fine desulfurization reaction device - Google Patents
Fine desulfurization reaction device Download PDFInfo
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- CN113956902B CN113956902B CN202111385926.3A CN202111385926A CN113956902B CN 113956902 B CN113956902 B CN 113956902B CN 202111385926 A CN202111385926 A CN 202111385926A CN 113956902 B CN113956902 B CN 113956902B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/20—Purifying combustible gases containing carbon monoxide by treating with solids; Regenerating spent purifying masses
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Abstract
The invention provides a fine desulfurization reaction device, which relates to the technical field of blast furnace gas treatment and comprises a tower body and a catalyst frame, wherein the catalyst frame is arranged in a reaction cavity of the tower body, the catalyst frame is of a cylindrical frame structure, a flow guide channel is formed on the inner side wall of the catalyst frame, a flow guide channel is formed between the outer side wall and the inner wall of a reactor, a storage cavity is formed between the inner side wall and the outer side wall, one axial end surface of the storage cavity is communicated with a filler opening, and the other axial end surface of the storage cavity is communicated with a discharge opening; one end of the flow guide channel is communicated with the gas inlet, the other end of the flow guide channel is communicated with the gas outlet, and a blocking baffle plate is arranged in the flow guide channel between the gas inlet and the gas outlet, so that the problem that the catalyst is inconvenient to load and unload in the prior desulfurization reactor is solved, the catalyst frame axially extends to the top and the bottom of the tower body along the tower body, a middle baffle plate structure is removed, the catalyst is loaded from the top, and the catalyst is unloaded from the bottom, and the catalyst loading and unloading efficiency is improved.
Description
Technical Field
The invention relates to the technical field of blast furnace gas treatment, in particular to a fine desulfurization reaction device.
Background
The blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking process of iron and steel enterprises, and the components and the heat value of the blast furnace gas are related to the fuel used by the blast furnace, the varieties of the smelted pig iron and the smelting process. Sulfur in blast furnace gas is mainly divided into organic sulfur and inorganic sulfur, wherein the organic sulfur mainly comprises carbonyl sulfide, carbon disulfide and the like; the main component of inorganic sulfur is hydrogen sulfide. The blast furnace gas has large quantity, high organic sulfur content and large quantity of water vapor; the existence form of sulfur in the gas is mainly COS and H 2 S, wherein COS is about 70%, H 2 S accounts for about 30%; total sulfur of about 200-300 mg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein COS is about 200-250 mg/m 3 。
The desulfurization process of blast furnace gas is classified into a wet desulfurization process and a dry desulfurization process. In the blast furnace gas desulfurization based on the dry desulfurization process, tower desulfurization and box desulfurization are represented, the tower desulfurization has the characteristics of small occupied area, good operation environment and slightly large investment, the box desulfurization has the characteristics of simple and convenient desulfurizing agent replacement, poor operation environment, large occupied area and small investment, and the radial absorption tower is relatively used in the prior art.
The existing dry method tower has small occupied area, solves the problems of uniform distribution performance and mass transfer performance of a flow field, and has smaller reactor resistance. The existing dry-method packed tower reactor is provided with a skirt, the radial reactor is divided into two layers, the height of each layer is 5-9 m, a filling hole and a discharging hole are designed on each layer, and a baffle plate is designed in the middle of each layer, so that the design has the defects of difficult filling and discharging, large manual filling workload, particularly the baffle plate, fewer passage holes on the baffle plate, multiple passage holes are cut off during filling, and the manhole and the overhaul hole of each layer are limited and cannot enter a large number of people or filling equipment at the same time; when discharging, as each layer of discharge opening is arranged at the flat bottom, the bottom of each discharge reactor is provided with residual materials, and the residual materials must be cleaned manually; in particular, the above operations need to be repeated every time of loading and unloading, and the loading and unloading efficiency is low. For some schemes of installing auxiliary fillers and discharging devices in the reactor in advance, in order to resist the high-temperature corrosion environment in the reactor, corrosion resistance and high-temperature resistance treatment are required to be additionally carried out on the auxiliary devices, but the service life of the auxiliary devices is still difficult to meet the requirements, and the auxiliary devices are located in the reactor and can additionally occupy the filling space of catalyst materials, so that the flow path of smoke in the reactor is interfered, and the absorption treatment efficiency of coal gas is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fine desulfurization reaction device, a catalyst frame extends to the top and the bottom of a tower body along the axial direction of the tower body, a middle partition plate structure is removed, catalyst filling is carried out from the top, catalyst discharging is carried out from the bottom, catalyst filling and discharging efficiency is improved, a blocking partition plate is arranged in a flow guide channel, flue gas is guided to pass through a catalyst frame for reaction twice along the radial direction, and gas desulfurization treatment efficiency is ensured.
In order to achieve the above object, the following scheme is adopted:
a fine desulfurization reaction device comprises a tower body and a catalyst frame, wherein the catalyst frame is arranged in a reaction cavity of the tower body, the catalyst frame is of a cylindrical frame structure, a diversion channel is formed on the inner side wall of the catalyst frame, a diversion channel is formed between the outer side wall and the inner wall of a reactor, a storage cavity is formed between the inner side wall and the outer side wall, one end face of the storage cavity in the axial direction is communicated with a filling port, and the other end face of the storage cavity is communicated with a discharge port; one end of the flow guide channel is communicated with the gas inlet, the other end of the flow guide channel is communicated with the gas outlet, and a blocking baffle plate is arranged in the flow guide channel between the gas inlet and the gas outlet.
Further, through holes are arranged on the inner side wall and the outer side wall of the catalyst frame in an array mode, and the diversion channel penetrates through the inner side wall, the storage cavity and the outer side wall to be communicated with the diversion channel.
Further, the catalyst frame is arranged coaxially with the tower body, the inner side wall and the outer side wall of the catalyst frame extend along the axial direction, the filling port penetrates through the top surface of the tower body to be communicated with the storage cavity, and the discharging port penetrates through the bottom surface of the tower body to be communicated with the storage cavity.
Further, the inner walls of the top end and the bottom end of the reaction cavity are arc-shaped surfaces, and the filling opening and the discharging opening respectively penetrate through the arc-shaped surfaces at corresponding positions.
Further, the gas inlet penetrates through one end face of the tower body in the axial direction, the gas outlet penetrates through the other end face of the tower body in the axial direction, and the blocking partition plate blocks the diversion channel in the radial direction.
Further, a coiled condensing pipe is arranged in the catalyst rack storage cavity, and a terminal connector of the condensing pipe penetrates through the bottom surface of the tower body and extends out of the reaction cavity; the top surface of the tower body is provided with a scattering port communicated with the storage cavity.
Further, the catalyst frame is connected with the tower body through a support beam so as to be arranged in the reaction cavity.
Further, the catalyst frame is a cylindrical structure with a circular cross section, and a drainage channel with a circular cross section is formed between the inner wall of the tower body and the catalyst frame.
Further, the drainage channel, the catalyst frame and the diversion channel are coaxially arranged, and the gas inlet is communicated with the gas outlet after sequentially passing through the diversion channel, the catalyst cavity, the drainage channel, the catalyst cavity and the diversion channel.
Further, a plurality of purging ports are arranged on the circumferential side wall of the tower body, the purging ports are arranged at intervals along the circumferential direction and the axial direction of the tower body, and the purging ports penetrate through the side wall of the tower body and face the catalyst frame.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) To the inconvenient problem of present desulfurization reactor filling and unloading catalyst, through with catalyst frame along tower body axial extension to tower body top and bottom, get rid of middle baffle structure, carry out the filling of catalyst from the top, carry out the unloading of catalyst from the bottom, improve catalyst filling, unloading efficiency, set up the shutoff baffle in the water conservancy diversion passageway, guide flue gas is reacted along radial twice through the catalyst frame, guarantees gas desulfurization treatment efficiency.
(2) The catalyst frame for carrying the catalyst is of a structure without a partition plate in the accommodating cavity, the catalyst is directly filled from the top to the bottom when the catalyst is filled, the density is improved by compaction through gravity, and the middle part is not shielded by auxiliary devices, so that the catalyst cavity capacity of the catalyst frame is effectively improved; when the material is required to be changed, the lower discharge opening is utilized to discharge the catalyst through gravity, blanking is completed under the action of gravity, and the arrangement of auxiliary devices is reduced, so that the interference to a smoke flow path in the reactor is avoided, and the reaction efficiency is improved.
(3) The catalyst frame is a cylindrical structure, no partition plate and auxiliary devices are arranged in the catalyst frame, the catalyst is densely filled, good flow field uniform distribution performance and mass transfer performance can be kept, no shielding structure is arranged in the catalyst frame, the resistance during the whole reaction can be effectively reduced, and the flue gas desulfurization efficiency is improved.
(4) The catalyst frame is of a cylindrical structure, a flow guide channel is formed in the middle, a flow guide channel is formed between the outer wall and the inner wall of the reactor tower body, a blocking baffle is arranged in the flow guide channel, gas input into one section of the flow guide channel is blocked along the axial flow, the gas passes through the catalyst frame along the radial direction and contacts with a catalyst in the catalyst frame and then enters the flow guide channel, after entering the flow guide channel, the gas is guided to pass through the catalyst frame along the radial direction for reaction with the catalyst, and is discharged from the outer ring to enter the other section of the flow guide channel along the radial direction for reaction desulfurization with the catalyst in the catalyst frame for multiple times, the reaction time of the gas and the catalyst is ensured while the flow path of the gas and the pressure drop are reduced, and the desulfurization effect of the gas is improved.
(5) The catalyst frame adopts a frame type porous structure, so that the gas can smoothly pass through the inner wall and the outer wall of the frame while meeting the requirement of containing the catalyst, and the resistance to the gas flow is reduced.
(6) The top and the bottom of the catalyst frame are directly communicated with the filling opening and the discharging opening, so that the filling and the discharging of the catalyst are facilitated; the inner wall of the bottom end of the reaction cavity corresponding to the discharge opening is configured to be an arc surface, so that catalyst materials can be guided during discharge, blockage is reduced, and discharge efficiency is improved; the sweeping port arranged on the side wall of the tower body is combined, so that the catalyst frame can be effectively cleaned during unloading, the unloading and cleaning efficiency is improved, and the absorption efficiency of the catalyst after material changing is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic structural diagram of a fine desulfurization reaction apparatus in example 1 of the present invention.
In the figure, the tower comprises a tower body 1, a supporting leg 2, a tower body 3, an outer side wall 4, an inner side wall 5, a purging port 6, a meter port 7, a manhole 8, a discharging port 9, a filling port 10, a discharging port 11, a condensing pipe port 12, a gas inlet 13, a gas outlet 14, a blocking baffle 15, a diversion channel 16, a supporting beam 17, a drainage channel 18, an upper end enclosure 19, a lower end enclosure 20 and a catalyst frame 21.
Detailed Description
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 1, a fine desulfurization reaction apparatus is provided.
To the inconvenient problem of catalyst of filling and unloading of present desulfurization reactor, provide a smart desulfurization reaction unit, get rid of the baffle structure in the catalyst frame 21 to extend catalyst frame 21 along tower body 3 axial to tower body 3 top and bottom, thereby realize carrying out the filling of catalyst, carrying out the unloading of catalyst from the bottom from smart desulfurization reaction unit's top, utilize gravity to realize smooth reloading process, improve catalyst filling, unloading efficiency, reduce the increase of cost and the blocking problem that increase auxiliary packing, unloading device arouse, reduce coal gas flow resistance.
The fine desulfurization reaction device mainly comprises a tower body 3, a catalyst frame 21 and a tower 1, wherein the tower 1 is fixed on the ground, the lower part of the tower body 3 is arranged on the tower 1 through a plurality of supporting legs 2, so that the bottom of the tower body 3 is suspended, and the arrangement of structures such as a gas inlet 13 or a gas outlet 14, a discharge opening 11 and the like is facilitated; the tower body 3 is used as a main reactor, a reaction cavity is arranged in the tower body 3, the catalyst frame 21 is arranged in the reaction cavity of the tower body 3, a supporting beam 17 is further arranged in the reaction cavity for realizing the fixation of the catalyst frame 21, and the catalyst frame 21 is connected with a plurality of supporting beams 17 so as to be stably connected with the tower body 3.
The tower body 3 is of a vertically placed tank structure, the middle of the tower body is of a cylindrical structure, an upper end enclosure 19 serving as a top plate and a lower end enclosure 20 serving as a bottom plate are respectively arranged at two ends of the tower body, the upper end enclosure 19 and the lower end enclosure 20 are combined with the middle cylindrical structure to form a reaction cavity, and a catalyst frame 21 is arranged in the reaction cavity.
As shown in fig. 1, the catalyst rack 21 is a cylindrical frame structure, through holes are arranged on the inner side wall 5 and the outer side wall 4 of the catalyst rack 21 in an array manner, and the diversion channel 16 passes through the inner side wall 5, the storage cavity and the outer side wall 4 to be communicated with the diversion channel 18; the adoption of the frame structure can ensure that the inner side wall 5 and the outer side wall 4 of the catalyst frame 21 are kept with good communication effect, so that coal gas can conveniently pass through the catalyst frame 21 to react with the catalyst stored in the catalyst frame 21.
The inner side wall 5 of the catalyst frame 21 forms a diversion channel 16, a diversion channel 18 is formed between the outer side wall 4 and the reactor, and a storage cavity is formed between the inner side wall 5 and the outer side wall 4 and can accommodate catalyst; one end of the diversion channel 16 is communicated with the gas inlet 13, and the gas inlet 13 penetrates through the wall of the tower body 3 to be connected with a gas supply pipeline so as to introduce gas into the diversion channel 16; the other end of the flow guiding channel 16 is communicated with a gas outlet 14, and the gas outlet 14 penetrates through the wall of the tower body 3 to be connected with a gas output pipeline, so that the desulfurized gas is discharged out of the flow guiding channel 16.
One axial end surface of the storage cavity is communicated with the filler port 10, the other axial end surface is communicated with the discharge port 11, the gas inlet 13 penetrates through one axial end surface of the tower body 3, and the gas outlet 14 penetrates through the other axial end surface of the tower body 3; corresponding to the structure of the tower body 3, the packing opening 10 is arranged on an upper sealing head 19 of the tower body 3, the storage cavity is communicated with the outside through the packing opening 10 and penetrates through the top surface of the tower body 3, the discharge opening 11 is arranged on a lower sealing head 20 of the tower body 3, and the storage cavity is communicated with the outside through the discharge opening 11 and penetrates through the bottom surface of the tower body 3.
The storage cavity is provided with shielding structures such as baffles and the like along the axial direction, the catalyst is directly filled from the top downwards when being filled, the density is improved by compacting through gravity, and the middle is provided with shielding structures without auxiliary devices, so that the catalyst cavity capacity of the catalyst frame 21 is effectively improved, and the catalyst is automatically compacted along with the filling of the catalyst.
The discharge opening 11 below is utilized to discharge the catalyst through gravity when the material is required to be changed, blanking is completed under the action of gravity, and the arrangement of auxiliary devices is reduced, so that the interference to a smoke flow path in the reactor is avoided, and the reaction efficiency is improved.
It will be appreciated that in this embodiment, the catalyst rack 21 is coaxially disposed with the tower body 3, the inner side wall 5 and the outer side wall 4 of the catalyst rack 21 extend along the axial direction, the filling port 10 passes through the top surface of the tower body 3 to communicate with the storage cavity, and the discharge port 11 passes through the bottom surface of the tower body 3 to communicate with the storage cavity.
The catalyst frame is a cylindrical structure, no partition plate and auxiliary devices are arranged in the catalyst frame, the catalyst is densely filled, good flow field uniform distribution performance and mass transfer performance can be kept, no shielding structure is arranged in the catalyst frame, the resistance during the whole reaction can be effectively reduced, and the flue gas desulfurization efficiency is improved.
In other embodiments, the axis of catalyst frame 21 and the axis of tower body 3 slope are arranged for the generating line of catalyst frame 21 inside wall 5 and lateral wall 4 is the contained angle with vertical direction, forms a beveled structure of taking angle between inside wall 5 and the lateral wall 4 after the slope, utilizes the auxiliary bearing of lateral wall to carry out the catalyst on the one hand, reduces the pressure of depositing chamber bottom position and avoids excessive compaction, guarantees that the density that the catalyst was deposited to the bottom satisfies the demand, on the other hand, the unloading can control the speed of unloading under the inclined state, reduces the possibility of appearing the jam when discharging, improves the smoothness of unloading.
Further, the inner walls of the top end and the bottom end of the reaction cavity are arc-shaped surfaces, and the filling port 10 and the discharging port 11 respectively penetrate through the arc-shaped surfaces at corresponding positions; corresponding to the structures of the upper seal head 19 and the lower seal head 20, the upper seal head 19 and the lower seal head 20 are arc-shaped plate structures, so that one sides of the upper seal head 19 and the lower seal head 20 facing the reaction cavity are arc-shaped surfaces.
The inner wall of the bottom end of the reaction cavity corresponding to the discharge opening 11 is configured into an arc surface, so that catalyst materials can be guided during discharging, blocking is reduced, and the discharging efficiency is improved.
A plurality of purging ports 6 are arranged on the circumferential side wall of the tower body 3, the purging ports 6 are arranged at intervals along the circumferential direction and the axial direction of the tower body 3, and the purging ports 6 penetrate through the side wall of the tower body 3 and face the catalyst frame 21.
Arc surface of reaction chamber bottom inner wall combines purge port 6 that arranges on the 3 lateral walls of tower body, can carry out effectual clearance to the catalyst frame when unloading, improves and unloads and cleaning efficiency, guarantees the absorption efficiency of catalyst after the reload.
The catalyst frame 21 is a cylindrical structure with a circular cross section, and a drainage channel 18 with a circular cross section is formed between the inner wall of the tower body 3 and the catalyst frame 21.
In other embodiments, the catalyst frame 21 may also adopt a square tubular structure with a radial section in a shape of a Chinese character 'hui', and an annular drainage channel 18 with an outer circle and an inner square is formed between the inner wall of the tower body 3 and the catalyst frame 21, and the shape of the catalyst frame 21 is configured according to actual reaction requirements and installation convenience, so that good filling and rapid filling and discharging of the catalyst can be realized.
In the embodiment, the upper sealing head 19 is provided with a plurality of filling openings 10, when the catalyst is filled, the bottom plurality of discharging openings 11 are blocked, the catalyst is filled from the top, and the catalyst is filled in the catalyst frame 21 from bottom to top by gravity, and as the catalyst frame 21 is not provided with a baffle, the baffle does not need to be manually entered into the catalyst frame 21 for treatment; and stopping filling when the catalyst filler reaches the position of the deposition line.
When the material is required to be changed, a gas inlet 13 is cut off through a valve on an external flue gas supply pipeline, a diffusing port 9 communicated with a storage cavity is arranged on the top surface of the tower body 3, and after the gas diffuses and replaces nitrogen through the diffusing port 9, a discharging port 11 is opened for discharging; when the inside of the reactor needs to be overhauled, the reactor is accessed by virtue of a manhole 8 of the reactor.
In order to effectively guide the flowing process of the coal gas in the fine desulfurization reaction device, a blocking baffle plate 15 is arranged in a diversion channel 16 between a coal gas inlet 13 and a coal gas outlet 14, the diversion channel 18, a catalyst frame 21 and the diversion channel 16 are coaxially arranged, and the coal gas inlet 13 is communicated with the coal gas outlet 14 after sequentially passing through the diversion channel 16, a catalyst cavity, the diversion channel 18, the catalyst cavity and the diversion channel 16.
As shown in fig. 1, the diversion channel 16 above the blocking baffle 15 is a gas discharge channel, and the diversion channel 16 below the blocking baffle 15 is a gas input channel.
Specifically, after entering the gas input channel along the axial direction through the gas inlet 13, the gas to be desulfurized is blocked by the blocking baffle plate to pass through the lower half section of the catalyst frame 21 along the radial direction, enters the drainage channel 18 after being in primary contact with the catalyst in the catalyst frame 21, and after entering the drainage channel 18, the gas rises to the upper half section of the catalyst frame 21 along the axial direction, and is guided to pass through the upper half section of the catalyst frame 21 along the radial direction and react with the catalyst in a secondary contact manner, and is discharged from entering the gas output channel along the radial direction.
In the process, the gas is guided to react with the catalyst in the catalyst frame 21 for desulfurization for a plurality of times, so that the reaction time of the gas and the catalyst is ensured while the gas flow path and the pressure drop are reduced, and the desulfurization effect of the gas is improved.
It should be noted that the positions of the gas inlet 13 and the gas outlet 14 in fig. 1 are taken as examples, and in other embodiments, the positions of the gas inlet 13 and the gas outlet 14 may be changed according to different kinds of gas requirements.
In order to facilitate the operation and maintenance of the device, the circumferential side wall of the tower body 3 is provided with a purging port 6, an instrument interface 7, a condenser pipe interface 12 and the like.
The catalyst rack 21 is provided with a coiled condenser pipe in the storage cavity, and a condenser pipe end joint penetrates through the bottom surface of the tower body 3 and extends to the outside of the reaction cavity to form a condenser pipe joint 12.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The fine desulfurization reaction device is characterized by comprising a tower body and a catalyst frame, wherein the catalyst frame is arranged in a reaction cavity of the tower body, the catalyst frame is of a cylindrical frame structure, a diversion channel is formed on the inner side wall of the catalyst frame, a diversion channel is formed between the outer side wall and the inner wall of the tower body, a storage cavity is formed between the inner side wall and the outer side wall, one end face of the storage cavity in the axial direction is communicated with a filler opening, and the other end face of the storage cavity is communicated with a discharge opening; one end of the flow guide channel is communicated with the gas inlet, the other end of the flow guide channel is communicated with the gas outlet, and a blocking baffle plate is arranged in the flow guide channel between the gas inlet and the gas outlet;
a condensing pipe which is arranged in a coiled manner is arranged in the catalyst rack storage cavity, and a joint at the end part of the condensing pipe penetrates through the bottom surface of the tower body and extends to the outside of the reaction cavity to form a condensing pipe joint; the top surface of the tower body is provided with a diffusing port communicated with the storage cavity, and the diffusing port can diffuse and replace the gas in the storage cavity into nitrogen before discharging;
the purging ports penetrate through the side wall of the tower body and face the catalyst frame, and the purging ports can effectively clean the catalyst frame during unloading, so that the unloading and cleaning efficiency is improved;
the catalyst frame is of a structure without a partition plate in the reaction cavity, the catalyst is directly filled from the top to the bottom when the catalyst is filled, the density is improved by compaction through gravity, and the catalyst cavity capacity of the catalyst frame is effectively improved; when the material is required to be changed, the lower discharge port is utilized to discharge the catalyst by gravity, and the blanking is completed under the action of gravity, so that the arrangement of auxiliary devices is reduced, and the reaction efficiency is improved;
the axis of the catalyst frame is obliquely arranged with the axis of the tower body, a bus of the inner side wall and the outer side wall of the catalyst frame forms a certain included angle with the vertical direction, an inclined plane structure with an angle is formed between the inner side wall and the outer side wall, the side wall is used for carrying out auxiliary bearing of the catalyst, the pressure at the bottom of the storage cavity is reduced, excessive compaction is avoided, meanwhile, the discharging speed can be controlled in an inclined state, and the possibility of blockage during discharging is reduced;
the catalyst frame is connected with the tower body through a supporting beam so as to be arranged in the reaction cavity.
2. The fine desulfurization reaction device as claimed in claim 1, wherein the catalyst frame has through holes arranged in an array on the inner and outer side walls, and the guide channel passes through the inner side wall, the storage chamber and the outer side wall to communicate with the guide channel.
3. The fine desulfurization reactor as set forth in claim 1, wherein the catalyst frame has inner and outer side walls extending axially along the catalyst frame, a filler port extending through the top surface of the tower body and communicating with the storage chamber, and a discharge port extending through the bottom surface of the tower body and communicating with the storage chamber.
4. The fine desulfurization reactor as set forth in claim 3, wherein the top and bottom inner walls of the reaction chamber are arcuate surfaces, and the filling port and the discharge port extend through the arcuate surfaces in corresponding positions, respectively.
5. The fine desulfurization reactor as set forth in claim 1, wherein said gas inlet extends through one axial end face of the tower body, and said gas outlet extends through the other axial end face of the tower body, and said blocking partition blocks the flow guide passage in the radial direction.
6. The fine desulfurization reactor as set forth in claim 1, wherein the catalyst frame has a cylindrical structure having a circular cross section in a radial direction.
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| GB1347731A (en) * | 1970-12-10 | 1974-02-27 | Sumitomo Heavy Industries | Continuous moving layer type adsorption device |
| US8647418B2 (en) * | 2009-03-02 | 2014-02-11 | J-Power Entech, Inc. | Adsorption tower of dry exhaust gas treatment device |
| CN102824846B (en) * | 2012-09-24 | 2014-11-05 | 上海龙净环保科技工程有限公司 | Axial and radial cross flow moving bed reactor and activated coke flue gas desulfurization and denitration technology thereof |
| CN110559854A (en) * | 2019-10-09 | 2019-12-13 | 中冶赛迪上海工程技术有限公司 | Two-stage moving bed radial flow reactor for gas desulfurization, reaction system and method thereof |
| CN112646614A (en) * | 2020-11-30 | 2021-04-13 | 中国科学院过程工程研究所 | Moving bed type blast furnace gas desulfurization device and desulfurization method thereof |
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