CN206911324U - A kind of sulfur dioxide catalytic convention design - Google Patents
A kind of sulfur dioxide catalytic convention design Download PDFInfo
- Publication number
- CN206911324U CN206911324U CN201720806134.1U CN201720806134U CN206911324U CN 206911324 U CN206911324 U CN 206911324U CN 201720806134 U CN201720806134 U CN 201720806134U CN 206911324 U CN206911324 U CN 206911324U
- Authority
- CN
- China
- Prior art keywords
- beds
- sulfur dioxide
- process gas
- heat
- convention design
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a kind of sulfur dioxide catalytic convention design,Including process gas entrance,Process gas exports,Tower housing,Tower skirt,Some beds and sect heat-exchanger modules,Connected between the beds by sect heat-exchanger module,The sect heat-exchanger module includes sect heat-exchanger,Connecting plate and connector,The sect heat-exchanger includes shell plates,Steam inlet house steward,Support plate,Steam (vapor) outlet house steward and some heat exchanger tubes,The heat exchanger tube is arranged with the matrix form of three-dimensional spatial distribution,Sect heat-exchanger module in the sulfur dioxide catalytic convention design is with saturated vapor come transfer reaction heat,Control process gas temperature and by-product superheated steam well,Improve the catalytic conversion efficiency of sulfur dioxide,Simultaneously by multistage beds,Sect heat-exchanger is incorporated into a tower housing by connector,Improve the utilization rate in space,Reduce equipment manufacturing costs.
Description
Technical field
The present invention relates to Acidic Gas Treating device field, more particularly to a kind of sulfur dioxide catalytic convention design.
Background technology
Wet method acid-making process is one of main method for handling sulfide hydrogen sour gas, and sulfur dioxide catalyzed conversion, which refers to, to be contained
The process gas of sulfur dioxide enters in the converter equipped with the acid catalyst of legal system containing dedicated wet, the titanium dioxide in the presence of catalyst
Sulphur is converted into sulfur trioxide.Sulfuric acid vapor condensation is carried out in sulfuric acid vapor condenser, and sulfur trioxide hydration is steamed into sulfuric acid
Gas simultaneously condenses into sulfate liquid under the condensation of air, and sulfuric acid cooling points out that the high-temperature sulfuric acid of sulfuric acid vapor condenser and cold acid are mixed
Merge the process of cooling, sulfur dioxide catalytic convention design is one of key equipment in wet method acid-making process.
Sulfur dioxide catalytic convention design is that catalyzed conversion and heat absorption subset are carried out in traditional wet method sulphuric acid plant, instead
Hot should not shifted timely, high temperature can influence the activity of catalyst so that the catalytic conversion efficiency of sulfur dioxide is not high,
Meanwhile because the demand such as high temperature resistant and reduction process gas temperature make it that the manufacturing cost of equipment is higher, using more equipment to two
If sulfur oxide carries out catalyzed conversion, occupation area of equipment is big, causes space waste serious, and not convenient enough.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model be to provide it is a kind of efficiently, cost is low, space
Utilization rate height and the good sulfur dioxide catalytic convention design of convenience.
The technical problem that the utility model solves can be realized using following technical scheme：A kind of sulfur dioxide catalysis turns
Makeup is put, including the outlet of housing, process gas entrance, process gas and skirt, and the process gas entrance and process gas outlet are set respectively
The top and bottom of housing are placed in, the housing is arranged on skirt, and the housing is exchanged heat by three beds and two
Module forms, and beds and heat exchange module are positioned apart from and hermetically connected between each other, the beds
From top to bottom be respectively the first beds, the second beds and the 3rd beds, first catalyst bed
Layer, the second beds and the 3rd beds are tied by filler, double-deck silk screen, flase floor and support successively from top to bottom
Structure forms, and the heat exchange module is respectively from top to bottom the first heat exchange module and the second heat exchange module, and the heat exchange module is by changing
Hot device, connecting plate and conversion mouth composition, the conversion mouth is arranged above heat exchanger and, the company affixed with it by connecting plate
Circular hole and slotted hole are provided with fishplate bar, the heat exchanger is total including shell plates, support plate, steam inlet house steward, steam (vapor) outlet
Pipe and some heat exchanger tubes, the steam (vapor) outlet house steward and steam inlet house steward are Z-type tubular construction, from top to bottom successively with it is described
Shell plates is fixedly connected, and is connected between the heat exchanger tube using 180 ° of elbows head and the tail, by the fixation of three pieces of support plates with
The matrix form arrangement of three-dimensional spatial distribution.
Above-mentioned sulfur dioxide catalytic convention design, the process gas entrance are fixedly installed conditioner.
Above-mentioned sulfur dioxide catalytic convention design, the conversion mouth side are provided with manhole and shrouding, and the shrouding leads to
Cross bolt to be fixedly connected with the connector, the shrouding is corresponding with the people hole site.
Above-mentioned sulfur dioxide catalytic convention design, the housing use acid-resistant stainless steel.
Above-mentioned sulfur dioxide catalytic convention design, the tower enclosure interior are fixedly installed interior cat ladder.
Above-mentioned sulfur dioxide catalytic convention design, temperature, pressure detection mouth and sampling are provided with the supporting construction
Mouthful.
Above-mentioned sulfur dioxide catalytic convention design, the heat exchanger are light pipe, bellows or finned tube.
Above-mentioned sulfur dioxide catalytic convention design, the process gas outlet are provided with breakage-proof baffle plate.
The beneficial effects of the utility model are：Heat exchange module in the sulfur dioxide catalytic convention design with saturated vapor come
Transfer reaction heat, controls process gas temperature and by-product superheated steam well, turns the catalysis that technique preferably carries out next section
Change, improve the catalytic conversion efficiency of sulfur dioxide, while beds, heat exchanger are incorporated into a tower by changing mouth
In device housing, integrated installation area is small, improves the utilization rate in space, reduces equipment manufacturing costs, in tower
Portion is provided with interior cat ladder and manhole, and the handling to overhaul with internals condiment provide facility.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the front view and side view of the utility model heat exchanger；
Fig. 3 is the support plate and pore layout drawing of the utility model heat exchanger.
Embodiment
The effect of to make to architectural feature of the present utility model and being reached have it is further understand and understanding, to compared with
Good embodiment and accompanying drawing coordinate detailed description, are described as follows：
As shown in Figure 1, 2, 3, a kind of sulfur dioxide catalytic convention design, including housing 1, process gas entrance, process gas go out
Mouth and skirt 2, the process gas entrance and process gas outlet are respectively arranged at the top and bottom of housing 1, and the housing 1 is set
In on skirt 2, the housing 1 is made up of three beds and two heat exchange modules, between beds and heat exchange module
Set every ground and hermetically connect between each other, the beds respectively the first beds 3, the from top to bottom
Two beds 4 and the 3rd beds 5, first beds 3, the second beds 4 and the 3rd catalysis
Agent bed 5 is made up of filler, double-deck silk screen, flase floor and supporting construction successively from top to bottom, every section of beds arrangement
Multilayer variety classes water-resistant type vanadium base or cesium based catalysts, the heat exchange module are respectively the He of the first heat exchange module 6 from top to bottom
Second heat exchange module 7, the heat exchange module are made up of heat exchanger 8, connecting plate 9 and conversion mouth 10, and the conversion mouth 10 is arranged at
The top of heat exchanger 8 is simultaneously affixed with it by connecting plate 9, and circular hole and slotted hole, the heat exchanger 8 are provided with the connecting plate 9
Including shell plates 11, support plate 12, steam inlet house steward 13, steam (vapor) outlet house steward 14 and some heat exchanger tubes 15, the steam goes out
Mouth house steward 14 and steam inlet house steward 13 are Z-type tubular construction, are fixedly connected successively with the shell plates 11 from top to bottom, described
Connected between heat exchanger tube 15 using 180 ° of elbow head and the tail, by the fixation of three pieces of support plates 12 with the square of three-dimensional spatial distribution
Formation formula is arranged.
Process gas entrance 1 is fixedly installed conditioner, the O/S entered in the process gas of catalytic convention design>2,
Process gas entrance sets conditioner, is adjusted by supplementing hot-air into the process pipelines for entering catalytic convention design import
O/S is saved, to ensure sulfur dioxide catalyzed conversion enough oxygen again.
In the utility model, conversion mouth 10 side is provided with manhole and shrouding, and the shrouding passes through bolt and institute
State connector to be fixedly connected, the shrouding is corresponding with the people hole site.
Housing 3 uses acid-resistant stainless steel, and interior cat ladder is fixedly installed inside housing 1.
As further improvement of the utility model, temperature, pressure detection mouth and sample tap are provided with supporting construction, is changed
Hot device is light pipe, bellows or finned tube, and process gas outlet is provided with breakage-proof baffle plate.
With the classical three sections of beds of the utility model, exemplified by two sections of heat exchange modules, the catalyst bed that is set in housing 1
Layer is from top to bottom followed successively by the first beds 3, the second beds 4 and the 3rd beds 5, the first catalyst bed
The high temperature catalyst of layer 3 and 4 built-in vanadium base of the second beds, the 3rd beds 5 then fill the low temperature catalyst of caesium base,
Heat exchange module is from top to bottom followed successively by the first heat exchange module and the second heat exchange module, and tower structure is combined all modules are organic
Together, when the sulfur dioxide catalytic convention design is run, 390-420 DEG C of process gas enters from the process gas entrance of the upper end of housing 1,
After the first beds 3, Sulphur Dioxide rate is 80-90%, and outlet process temperature degree is 480-520 DEG C, then is passed through
Cross first conversion mouth enter First Heat Exchanger heat exchange after, process gas temperature drops to 390-410 DEG C, subsequently enters the second catalyst bed
After layer 4, conversion ratio reaches 90-98%, and process gas temperature reaches 410-420 DEG C, is then changed by the second conversion mouth into second
After hot device heat exchange, process gas temperature drops to 370-390 DEG C, is finally reached by the 3rd beds 5, the conversion ratio of sulfur dioxide
To more than 99%, now process gas temperature is 380-400 DEG C, then exports the condensation entered outside tower by the process gas of tower lower end
Device cools down, while steam enters from the steam inlet house steward 13 of lower end in heat exchanger 8, by some heat exchanger tubes 15, is flowed to
The steam (vapor) outlet house steward 14 at end is flowed out, the hot by-product superheated steam of transfer reaction, turns the catalysis that technique preferably carries out next section
Change, improve the catalytic conversion efficiency of sulfur dioxide, beds, heat exchanger 8 are incorporated into housing 1 by changing mouth 10
Interior, integrated installation area is small, improves the utilization rate in space, reduces equipment manufacturing costs, changes mouth 10 as day
Circularly square structure, is easy to material to flow downward, reduces the phenomenon that process gas is built up in housing 1.
Because the conversion lower end of mouth 10 is fixedly connected with heat exchanger 8 by connecting plate 9, circular hole and length are provided with connecting plate 9
Circular hole, circular hole and slotted hole ensure that heat exchanger 8 has the space of a free thermal expansion, and change the side of mouth 10 and be provided with manhole,
Usually it is bolted and is blocked with shrouding, when equipment needs repairing or internals condiment needs handling, can be entered from this manhole
Enter, its convenience is preferable.
Sect heat-exchanger module in the sulfur dioxide catalytic convention design is hot come transfer reaction with saturated vapor, well
Process gas temperature and by-product superheated steam are controlled, the catalyzed conversion for making technique preferably carry out next section, improves sulfur dioxide
Catalytic conversion efficiency, while multistage beds, sect heat-exchanger are incorporated into a tower housing by connector,
The installation area of integration is small, improves the utilization rate in space, reduces equipment manufacturing costs, and tower is internally provided with interior
Cat ladder and manhole, the handling to overhaul with internals condiment provide facility.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the spirit and scope of the utility model is not departed from
Kind changes and improvements, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (8)
1. a kind of sulfur dioxide catalytic convention design, including the outlet of housing, process gas entrance, process gas and skirt, the technique
Gas entrance and process gas outlet are respectively arranged at the top and bottom of housing, and the housing is arranged on skirt, it is characterised in that
The housing is made up of three beds and two heat exchange modules, beds and heat exchange module be positioned apart from and
Hermetically connect between each other, the beds are respectively the first beds, the second beds from top to bottom
With the 3rd beds, first beds, the second beds and the 3rd beds are from top to bottom
It is made up of successively filler, double-deck silk screen, flase floor and supporting construction, the heat exchange module is respectively the first heat exchange mould from top to bottom
Block and the second heat exchange module, the heat exchange module are made up of heat exchanger, connecting plate and conversion mouth, and the conversion mouth is arranged at heat exchange
It is above device and affixed with it by connecting plate, circular hole and slotted hole are provided with the connecting plate, the heat exchanger includes housing
Plate, support plate, steam inlet house steward, steam (vapor) outlet house steward and some heat exchanger tubes, the steam (vapor) outlet house steward and steam inlet are total
Pipe is Z-type tubular construction, is fixedly connected successively with the shell plates from top to bottom, and 180 ° of elbow head are used between the heat exchanger tube
Tail connects, and is arranged by the fixation of three pieces of support plates with the matrix form of three-dimensional spatial distribution.
2. sulfur dioxide catalytic convention design according to claim 1, it is characterised in that the process gas entrance is fixed and set
It is equipped with conditioner.
3. sulfur dioxide catalytic convention design according to claim 1, it is characterised in that the conversion mouth side is provided with
Manhole and shrouding, the shrouding are fixedly connected by bolt with the conversion mouth, and the shrouding is corresponding with the people hole site.
4. sulfur dioxide catalytic convention design according to claim 1, it is characterised in that the housing is using acidproof stainless
Steel.
5. the sulfur dioxide catalytic convention design according to claim 1 or 4, it is characterised in that the enclosure interior is fixed
It is provided with interior cat ladder.
6. sulfur dioxide catalytic convention design according to claim 1, it is characterised in that be provided with the supporting construction
Temperature, pressure detection mouth and sample tap.
7. sulfur dioxide catalytic convention design according to claim 1, it is characterised in that the heat exchanger is light pipe, ripple
Line pipe or finned tube.
8. sulfur dioxide catalytic convention design according to claim 1, it is characterised in that the process gas outlet is provided with
Breakage-proof baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806134.1U CN206911324U (en) | 2017-07-05 | 2017-07-05 | A kind of sulfur dioxide catalytic convention design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806134.1U CN206911324U (en) | 2017-07-05 | 2017-07-05 | A kind of sulfur dioxide catalytic convention design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206911324U true CN206911324U (en) | 2018-01-23 |
Family
ID=61335430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720806134.1U Active CN206911324U (en) | 2017-07-05 | 2017-07-05 | A kind of sulfur dioxide catalytic convention design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206911324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249999A (en) * | 2018-11-30 | 2020-06-09 | 中国科学院大连化学物理研究所 | Fixed bed reactor for catalytic reduction of hexavalent uranium by hydrazine nitrate and application |
-
2017
- 2017-07-05 CN CN201720806134.1U patent/CN206911324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249999A (en) * | 2018-11-30 | 2020-06-09 | 中国科学院大连化学物理研究所 | Fixed bed reactor for catalytic reduction of hexavalent uranium by hydrazine nitrate and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103240036B (en) | A kind of heat transfer reactor of Anti-temperature difference stress and combinations thereof device and application | |
| CN105582856A (en) | Bispherical-cavity controllable heat-removing shift reactor and CO reaction method thereof | |
| CN206911324U (en) | A kind of sulfur dioxide catalytic convention design | |
| CN1857766B (en) | Heat exchanging reactor | |
| CN104548933A (en) | Ammonia water ammonia production reducing agent supply device and method for SCR denitration | |
| CN212417487U (en) | Comprehensive absorption tower for preparing hydrogen chloride from graphite | |
| CN205973791U (en) | Hydrogen peroxide solution production hydrogenation uses novel fixed bed | |
| CN202460592U (en) | Temperature stress resistant heat transfer reactor and composite device thereof | |
| CN204447761U (en) | A kind of ammoniacal liquor ammonia reducing agent feeding mechanism for SCR denitration | |
| CN216538373U (en) | Final stage water transfer heat bed layer ammonia synthesis reactor | |
| CN2280087Y (en) | Reactor for conversion sulfur oxides by use of heat pipe heat-exchange | |
| CN213493610U (en) | Low-energy-consumption multistage conversion tower for sulfuric acid production | |
| CN214270225U (en) | Conversion tower is used in low energy consumption sulphuric acid production | |
| CN210613312U (en) | Vertical washing tower | |
| CN201593930U (en) | Tower-type efficient liquid condensing collector | |
| CN204891884U (en) | Spraying tower reactor | |
| CN208829265U (en) | A kind of purification sulfur trioxide process units | |
| CN102910592B (en) | Quasi-isothermal venturi converter for heat energy substitution | |
| CN202705040U (en) | Device for improving gas reactant temperature in thionyl chloride preparation | |
| CN201186210Y (en) | Vertical type water-cooling tube box type reactor | |
| CN111268653A (en) | Energy-saving conversion device and process for preparing sulfuric acid from sulfur-containing flue gas | |
| CN201350404Y (en) | High pressure tubular full-condensation reactor | |
| CN213771346U (en) | Multistage catalyst conversion heat transfer device | |
| CN203785481U (en) | Cooling condenser | |
| CN205761057U (en) | A kind of biomass synthesis gas prepares mixed alcohol synthetic tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |