CN109364503A - A kind of sulfuric acid evaporator - Google Patents
A kind of sulfuric acid evaporator Download PDFInfo
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- CN109364503A CN109364503A CN201811438746.5A CN201811438746A CN109364503A CN 109364503 A CN109364503 A CN 109364503A CN 201811438746 A CN201811438746 A CN 201811438746A CN 109364503 A CN109364503 A CN 109364503A
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- Prior art keywords
- niacin
- steam
- tank body
- tube
- disk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/88—Concentration of sulfuric acid
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Air Humidification (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention belongs to sulphuric acid plant technical field, specifically a kind of sulfuric acid evaporator, including niacin tank body, steam tank body and bracket；The downside of niacin tank body is arranged in the steam tank body；The niacin tank body is vertically arranged on the ground by bracket；The steam tank interior is isolated into steam cabin and condensate storehouse by partition；The side wall of the steam cabin is provided with steam inlet；The bottom of condensate storehouse side wall is provided with condensate outlet；By constituting the U-tube road with multiple gaps by cooperation between straight tube, bend pipe, No.1 disk and No. two disks, avoid using too long U-tube road and caused by the excessively high problem of cost；By the way that the gap of 0.01mm is arranged on U-tube road, realizes on the one hand the steam of ejection can prevent niacin from flowing into U-shaped channel interior, realize the effect of sealing；On the other hand, niacin can be stirred, so that niacin is uniformly evaporated.
Description
Technical field
The invention belongs to sulphuric acid plant technical field, specifically a kind of sulfuric acid evaporator.
Background technique
Sulfuric acid is important basic chemical raw materials, the base stock of chemical industry, and the yield of sulfuric acid is country's chemistry
One of industrial capacity mark.Wherein refined sulfuric acid is widely used in telecommunications, medicine etc. as one of fine chemicals
Industry, can also be with chemical reagent and the raw material of battery.Refined sulfuric acid is colourless transparent oil liquid, has stronger oxidation
Property, water imbibition, dehydration property and corrosivity.By the SO in niacin3Gas evaporation separation is one in the present sour process of production purification
A step, by the SO in niacin3Gas evaporation separation is that niacin is heated and evaporated using sulfuric acid evaporator.
Also occur a kind of technical solution of the patent about sulfuric acid evaporator in the prior art, such as application No. is
201610791767 Chinese patent discloses a kind of for refining the sulfuric acid evaporator of sour process units, has niacin tank
Body and steam tank body, the bottom of niacin tank body is equipped with niacin entrance, top is equipped with SO3Gas vent, the middle part two of niacin tank body
A niacin outlet is respectively provided on side wall, the top of steam tank body is equipped with steam inlet, bottom and exports equipped with condensate, niacin tank body
Interior to be equipped with U-tube beam, the entrance of U-tube beam is located in steam tank body and is connected to steam inlet, the outlet of U-tube beam is located at water
In vapour tank body and with condensate outlet；The intracorporal medium position two sides of niacin tank are respectively provided with an overflow launder, the bottom of overflow launder
Portion is communicated with niacin outlet.
The technical solution it is a kind of for refining the sulfuric acid evaporator of sour process units, can be by the SO in niacin3Gas
It is evaporated.But in the technical solution, the length of U-tube beam is longer, cause U-tube beam production when difficulty of processing compared with
Height causes manufacturing cost high, at the same U-tube beam length it is longer be difficult to transport, the increase of transportation cost is also resulted in, into one
Step increases cost；Niacin is poor in the intracorporal mobility of niacin tank simultaneously, so that the evaporation of niacin is uneven；So that the skill
Art scheme is restricted.
Summary of the invention
In order to make up for the deficiencies of the prior art, solve that U-tube road is with high costs and niacin in niacin tank body because of flowing
Property difference and caused by the non-uniform problem of evaporation；The invention proposes a kind of sulfuric acid evaporators.
The technical solution adopted by the present invention to solve the technical problems is: a kind of sulfuric acid evaporator of the present invention, packet
Include niacin tank body, steam tank body and bracket；The downside of niacin tank body is arranged in the steam tank body；The niacin tank body passes through branch
Frame is vertically arranged on the ground；The steam tank interior is isolated into steam cabin and condensate storehouse by partition；The steam cabin
Side wall is provided with steam inlet；The bottom of condensate storehouse side wall is provided with condensate outlet；It is provided in the niacin tank body U-shaped
Tube bank；The entrance of the U-tube beam is located in steam cabin and is connected to steam inlet, and the outlet of U-tube beam is located in condensate storehouse
And with condensate outlet, U-tube beam is for heating niacin, by SO3Gas evaporation；The lower part of the niacin tank wall is arranged
There is niacin entrance, is provided with SO at the top of niacin tank body3The top of gas vent, niacin tank wall is exported equipped with niacin, cigarette
The lower part of sour tank wall is provided with niacin discharging hole；Wherein,
The U-tube beam is made of several U-tube roads；The U-tube road includes straight tube, bend pipe, No.1 disk, No. two
Disk, mounting hole, link block and fixing piece；The No.1 disk is fixedly mounted on the inner wall of niacin tank body by fixing piece,
It is connected between No.1 disk and No. two disks by link block, offers corresponding mounting hole on No.1 disk and No. two disks；
The mounting hole is for installing straight tube and bend pipe；The spacing of 0.01mm is equipped between the No.1 disk and No. two disks, so that
There are the gaps of 0.01mm between straight tube and straight tube, between straight tube and bend pipe, pass through straight tube, bend pipe, No.1 disk and No. two disks
Between cooperation, constitute the U-tube road with multiple gaps, most of steam can convey between straight tube and bend pipe, have
The steam of sub-fraction can be sprayed from gap.
Firstly, assembling U-tube beam in the external of niacin tank body, No.1 disk and No. two circles are inserted into the both ends of straight tube respectively
It is fixed in corresponding mounting hole on disk, it will be inserted into straight tube in the mounting hole for being located at No. two disk downsides of bottom, as U
The entrance of type tube bank or outlet will be inserted into corresponding bend pipe in the mounting hole for being located at the No.1 disk upper side of the top, from
And be connected to two straight tubes, U-tube beam is completed, avoid using too long U-tube road and caused by cost is excessively high asks
Topic；No.1 disk is finally fixedly mounted on to the inner wall of niacin tank body by fixing piece；When evaporation, steam inlet is first passed through to steaming
It is filled with steam in vapour storehouse, niacin is filled in niacin tank body by niacin entrance again later, steam is filled with U from U-tube beam entrance
In type pipeline, when steam flows in U-tube road, since between straight tube and straight tube, there are between 0.01mm between straight tube and bend pipe
Gap, on the one hand, because gap is smaller, most of steam can convey between straight tube and bend pipe, realize that steam adds U-tube road
Heat, thus by SO3Gas evaporation and from SO3Gas vent discharge；On the other hand, having the steam of sub-fraction can spray from gap
Out, it can prevent niacin from flowing into U-shaped channel interior, and steam can heat No.1 disk and No. two disks, improve
SO3The evaporation rate of gas can stir niacin by the steam that gap sprays, so that niacin is uniformly evaporated；
Steam flows into condensate storehouse from the outlet of U-tube beam in straight tube and condenses, and condensed water is discharged for condensate outlet.
Preferably, the fixing piece is ring diversion plate；The ring diversion plate is socketed on the side wall of No.1 turntable, ring
Shape deflector is mounted on the side wall of niacin tank body, and ring diversion plate is for guiding the flow direction of steam to downward.Steam
Niacin can be first blown down, to stir the niacin of lower section, steam floats later, stirs to the niacin of top, to increase
The range for having added steam to stir, further increases the uniformity that niacin is evaporated.
Preferably, the No.1 disk and No. two disk sides close to each other are wavy shaped configuration, wavy shaped configuration
The contact area with steam can be increased；When flowing steam between No.1 disk and No. two disks, accelerate No.1 disk and two
The heating rate of number disk.
Preferably, the U-tube beam is arranged side by side by more single u-shaped pipelines and is formed, and U-tube road is arranged in circle, and adjacent
Two rows of U-tube roads between shift to install.So that niacin can be cooled uniformly in niacin tank body.
Preferably, the water conservancy diversion angle of the ring diversion plate is 90 °.It can be to avoid generation whirlpool at the lead angle of ring diversion plate
Stream, so that the side-walls for avoiding niacin from being gathered in No. two disks for a long time corrode No. two disks.
Preferably, there is gap between the adjacent U-tube road；To be flowed through for liquid-liquid.Niacin can be in U-tube
It is flowed back and forth between road, improves the uniformity coefficient of niacin evaporation.
Beneficial effects of the present invention are as follows:
1. a kind of sulfuric acid evaporator of the present invention, by by between straight tube, bend pipe, No.1 disk and No. two disks
Cooperation constitutes the U-tube road with multiple gaps, avoid using too long U-tube road and caused by cost it is excessively high
The problem of；By the way that the gap of 0.01mm is arranged on U-tube road, realize on the one hand the steam of ejection can prevent niacin from flowing into U
Type channel interior realizes the effect of sealing；On the other hand, niacin can be stirred, so that niacin is uniformly evaporated.
2. a kind of sulfuric acid evaporator of the present invention increases the range of steam agitation by setting ring diversion plate,
Further increase the uniformity that niacin is evaporated.
3. a kind of sulfuric acid evaporator of the present invention passes through the No.1 disk of wavy shaped configuration and No. two disk phase interworkings
It closes, increases the contact area with steam, when flowing steam between No.1 disk and No. two disks, accelerate No.1 disk and two
The heating rate of number disk, improves SO3The evaporation rate of gas.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is main view of the invention；
Fig. 2 is the cross-sectional view of A-A in Fig. 1；
Fig. 3 is the cross-sectional view of No.1 disk and No. two disks in Fig. 1；
In figure: niacin tank body 1, steam tank body 2, partition 21, steam cabin 22, condensate storehouse 23, steam inlet 24, condensate outlet
25, bracket 3, U-tube beam 4, U-tube road 41, straight tube 411, bend pipe 412, No.1 disk 413, No. two disks 414, mounting hole
415, link block 416, fixing piece 417, ring diversion plate 418, niacin entrance 5, SO3Gas vent 6, niacin outlet 7, niacin row
Net mouth 8.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figure 1 to Figure 3, a kind of sulfuric acid evaporator of the present invention, including niacin tank body 1, steam tank body 2 and branch
Frame 3；The downside of niacin tank body 1 is arranged in the steam tank body 2；The niacin tank body 1 is vertically arranged in ground by bracket 3
On；Steam cabin 22 and condensate storehouse 23 are isolated by partition 21 inside the steam tank body 2；The side wall of the steam cabin 22 is arranged
There is steam inlet 24；The bottom of 23 side wall of condensate storehouse is provided with condensate outlet 25；It is provided in the niacin tank body 1 U-shaped
Tube bank 4；The entrance of the U-tube beam 4 is located in steam cabin 22 and is connected to steam inlet 24, and the outlet of U-tube beam 4 is located at solidifying
It is connected in sump 23 and with condensate outlet 25, U-tube beam 4 is for heating niacin, by SO3Gas evaporation；1 side of niacin tank body
The lower part of wall is provided with niacin entrance 5, and the top of niacin tank body 1 is provided with SO3Gas vent 6, the top of 1 side wall of niacin tank body
Equipped with niacin outlet 7, the lower part of 1 side wall of niacin tank body is provided with niacin discharging hole 8；Wherein,
The U-tube beam 4 is made of several U-tube roads 41；The U-tube road 41 includes straight tube 411, bend pipe 412, one
Number 413, No. two disks 414 of disk, mounting hole 415, link block 416 and fixing piece 417；The No.1 disk 413 passes through fixation
Part 417 is fixedly mounted on the inner wall of niacin tank body 1, solid by link block 416 between No.1 disk 413 and No. two disks 414
Even, corresponding mounting hole 415 is offered on No.1 disk 413 and No. two disks 414；The mounting hole 415 is for installing straight tube
411 and bend pipe 412；The spacing of 0.01mm is equipped between the No.1 disk 413 and No. two disks 414, so that straight tube 411 and straight
There are the gaps of 0.01mm between pipe 411, between straight tube 411 and bend pipe 412, pass through straight tube 411, bend pipe 412, No.1 disk 413
Cooperation between No. two disks 414 constitutes the U-tube road 41 with multiple gaps, and most of steam can be in straight tube
It is conveyed between 411 and bend pipe 412, has the steam of sub-fraction that can spray from gap.
Firstly, assembling U-tube beam 4 in the external of niacin tank body 1, No.1 disk 413 is inserted at the both ends of straight tube 411 respectively
It is fixed in mounting hole 415 corresponding on No. two disks 414, the installation of No. two 414 downsides of disk of bottom will be located at
Straight tube 411 is inserted into hole 415, entrance or outlet as U-tube beam 4 will be located at 413 upper side of No.1 disk of the top
The corresponding bend pipe 412 of insertion in mounting hole 415, so that two straight tubes 411 of connection, U-tube beam 4 is completed, is avoided
The excessively high problem of cost caused by using too long U-tube road 41；It is finally that No.1 disk 413 is fixed by fixing piece 417
It is mounted on the inner wall of niacin tank body 1；When evaporation, first passes through steam inlet 24 and be filled with steam into steam cabin 22, pass through again later
Niacin is filled in niacin tank body 1 by niacin entrance 5, and steam is filled in U-tube road 41 from 4 entrance of U-tube beam, and steam is in U-tube
When being flowed in road 41, since there are the gap of 0.01mm, a sides between straight tube 411 and straight tube 411, between straight tube 411 and bend pipe 412
Face, because gap is smaller, most of steam can convey between straight tube 411 and bend pipe 412, realize that steam carries out U-tube road 41
Heating, thus by SO3Gas evaporation and from SO3Gas vent 6 is discharged；On the other hand, there is the steam of sub-fraction can be from gap
It sprays, can prevent niacin from flowing into inside U-tube road 41, and steam can carry out No.1 disk 413 and No. two disks 414
Heating improves SO3The evaporation rate of gas can stir niacin by the steam that gap sprays, so that niacin is uniform
Be evaporated；Steam flows into condensate storehouse 23 from the outlet of U-tube beam 4 in straight tube 411 and condenses, and condensed water is arranged in condensate outlet 25
Out.
As one embodiment of the present invention, the fixing piece 417 is ring diversion plate 418；The ring diversion plate
418 are socketed on the side wall of No.1 turntable, and ring diversion plate 418 is mounted on the side wall of niacin tank body 1, ring diversion plate 418
For guiding the flow direction of steam to downward.Steam can first blow niacin down, to stir the niacin of lower section, Zhi Houzheng
Vapour float, the niacin of top is stirred, thus increase steam agitation range, further increase niacin be evaporated it is equal
Even property.
As one embodiment of the present invention, the No.1 disk 413 and No. two sides close to each other of disk 414 are equal
For wavy shaped configuration, wavy shaped configuration can increase the contact area with steam；Make steam in No.1 disk 413 and No. two disks
When flowing between 414, accelerate the heating rate of No.1 disk 413 and No. two disks 414.
As one embodiment of the present invention, the U-tube beam 4 is arranged side by side by more single u-shaped pipelines 41 and is formed, U-shaped
Pipeline 41 is arranged in circle, and shifts to install between adjacent two rows of U-tube roads 41.So that niacin can be by niacin tank body 1
Uniform heating.
As one embodiment of the present invention, the water conservancy diversion angle of the ring diversion plate 418 is 90 °.It can be to avoid ring
Vortex is generated at the lead angle of shape deflector 418, so that the side-walls for avoiding niacin from being gathered in No. two disks 414 for a long time corrode two
Number disk 414.
As one embodiment of the present invention, there is gap between the adjacent U-tube road 41；So as to for liquid-liquid
It flows through.Niacin can flow back and forth between U-tube road 41, improve the uniformity coefficient of niacin evaporation.
When work, external in niacin tank body 1 assembles U-tube beam 4, and No.1 disk is inserted at the both ends of straight tube 411 respectively
413 is fixed in corresponding mounting hole 415 on No. two disks 414, will be located at the peace of No. two 414 downsides of disk of bottom
It fills and is inserted into straight tube 411 in hole 415, entrance or outlet as U-tube beam 4 will be located at 413 upper side of No.1 disk of the top
Mounting hole 415 in the corresponding bend pipe 412 of insertion, so that two straight tubes 411 of connection, U-tube beam 4 is completed, is avoided
The excessively high problem of cost caused by using too long U-tube road 41；Finally No.1 disk 413 is consolidated by fixing piece 417
Dingan County is mounted in the inner wall of niacin tank body 1；When evaporation, first passes through steam inlet 24 and be filled with steam into steam cabin 22, lead to again later
It crosses niacin entrance 5 niacin is filled in niacin tank body 1, steam is filled in U-tube road 41 from 4 entrance of U-tube beam, and steam is U-shaped
When being flowed in pipeline 41, due between straight tube 411 and straight tube 411, between straight tube 411 and bend pipe 412 there are the gap of 0.01mm, one
Aspect, because gap is smaller, most of steam can convey between straight tube 411 and bend pipe 412, realize steam to U-tube road 41 into
Row heating, thus by SO3Gas evaporation and from SO3Gas vent 6 is discharged；On the other hand, there is the steam of sub-fraction can be from gap
Middle ejection can prevent niacin from flowing into inside U-tube road 41, and steam can to No.1 disk 413 and No. two disks 414 into
Row heating, improves SO3The evaporation rate of gas can stir niacin by the steam that gap sprays, so that niacin is equal
Even is evaporated；Water conservancy diversion is carried out to steam by ring diversion plate 418, steam can first blow niacin down, to stir lower section
Niacin, later steam float, the niacin of top is stirred, thus increase steam agitation range, further increase
The uniformity that niacin is evaporated；Steam flows into condensate storehouse 23 from the outlet of U-tube beam 4 in straight tube 411 and condenses, and condensate outlet 25 will
Condensed water discharge；Niacin after being evaporated, when stopping using, first passes through niacin discharging hole 8 for cigarette by 7 discharge of niacin outlet
Acid empties, then stops the supply of steam, and niacin is avoided to flow into U-tube road 41.
Above-mentioned front, back, left, right, up, down is mark according to personage's observation visual angle on the basis of Fig. 1 in Figure of description
Standard, device surface are defined as a left side on the left of observer to before being defined as on one side of observer, and so on.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.Every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Claims (6)
1. a kind of sulfuric acid evaporator, including niacin tank body (1), steam tank body (2) and bracket (3)；It is characterized by: the steam
Tank body (2) is arranged in the downside of niacin tank body (1)；The niacin tank body (1) is vertically arranged on the ground by bracket (3)；Institute
It states and is isolated into steam cabin (22) and condensate storehouse (23) by partition (21) inside steam tank body (2)；The side of the steam cabin (22)
Wall is provided with steam inlet (24)；The bottom of condensate storehouse (23) side wall is provided with condensate outlet (25)；The niacin tank body
(1) U-tube beam (4) are provided in；The entrance of the U-tube beam (4) is located in steam cabin (22) and connects with steam inlet (24)
Logical, the outlet of U-tube beam (4) is located in condensate storehouse (23) and is connected to condensate outlet (25), and U-tube beam (4) is for heating cigarette
Acid, by SO3Gas evaporation；The lower part of niacin tank body (1) side wall is provided with niacin entrance (5), the top of niacin tank body (1)
It is provided with SO3Gas vent (6), the top of niacin tank body (1) side wall is equipped with niacin and exports (7), under niacin tank body (1) side wall
Portion is provided with niacin discharging hole (8)；Wherein,
The U-tube beam (4) is made of several U-tube roads (41)；The U-tube road (41) includes straight tube (411), bend pipe
(412), No.1 disk (413), No. two disks (414), mounting hole (415), link block (416) and fixing piece (417)；Described one
Number disk (413) is fixedly mounted on the inner wall of niacin tank body (1) by fixing piece (417), No.1 disk (413) and No. two circles
It is connected between disk (414) by link block (416), offers corresponding installation on No.1 disk (413) and No. two disks (414)
Hole (415)；The mounting hole (415) is for installing straight tube (411) and bend pipe (412)；The No.1 disk (413) and No. two circles
The spacing of 0.01mm is equipped between disk (414), so that between straight tube (411) and straight tube (411), between straight tube (411) and bend pipe (412)
There are the gaps of 0.01mm, pass through matching between straight tube (411), bend pipe (412), No.1 disk (413) and No. two disks (414)
It closes, constitutes the U-tube road (41) with multiple gaps, most of steam can be between straight tube (411) and bend pipe (412)
Conveying, has the steam of sub-fraction that can spray from gap.
2. a kind of sulfuric acid evaporator according to claim 1, it is characterised in that: the fixing piece (417) is annular water conservancy diversion
Plate (418)；The ring diversion plate (418) is socketed on the side wall of No.1 turntable, and ring diversion plate (418) is mounted on niacin tank
On the side wall of body (1), ring diversion plate (418) is for guiding the flow direction of steam to downward.
3. a kind of sulfuric acid evaporator according to claim 1, it is characterised in that: the No.1 disk (413) and No. two circles
Disk (414) side close to each other is wavy shaped configuration, and wavy shaped configuration can increase the contact area with steam.
4. a kind of sulfuric acid evaporator according to claim 1, it is characterised in that: the U-tube beam (4) is by more single u-shaped pipes
Road (41) is arranged side by side composition, and U-tube road (41) are arranged in circle, and shift to install between adjacent two rows of U-tube roads (41).
5. a kind of sulfuric acid evaporator according to claim 2, it is characterised in that: the water conservancy diversion of the ring diversion plate (418)
Angle is 90 °.
6. a kind of sulfuric acid evaporator according to claim 4, it is characterised in that: have between the adjacent U-tube road (41)
There is gap；To be flowed through for liquid-liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438746.5A CN109364503B (en) | 2018-11-29 | 2018-11-29 | Sulfuric acid evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438746.5A CN109364503B (en) | 2018-11-29 | 2018-11-29 | Sulfuric acid evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN109364503A true CN109364503A (en) | 2019-02-22 |
| CN109364503B CN109364503B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811438746.5A Expired - Fee Related CN109364503B (en) | 2018-11-29 | 2018-11-29 | Sulfuric acid evaporator |
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| CN206008061U (en) * | 2016-08-31 | 2017-03-15 | 扬州荣辉化工设备有限公司 | A kind of new sulfur trioxide autoclave vaporizer |
| CN207478002U (en) * | 2017-11-13 | 2018-06-12 | 河南佰利联新材料有限公司 | A kind of refining titanic chloride increase evaporation and heat-exchange efficient appliances |
| CN108545704A (en) * | 2018-07-05 | 2018-09-18 | 无锡英罗唯森科技有限公司 | Sulfuric acid cracker and sulphuric acid plant |
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