CN208943475U - Recycle sulfuric acid concentration evaporator in graphite system - Google Patents
Recycle sulfuric acid concentration evaporator in graphite system Download PDFInfo
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- CN208943475U CN208943475U CN201820912777.9U CN201820912777U CN208943475U CN 208943475 U CN208943475 U CN 208943475U CN 201820912777 U CN201820912777 U CN 201820912777U CN 208943475 U CN208943475 U CN 208943475U
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- graphite
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- sulfuric acid
- acid concentration
- exchanging component
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Abstract
The utility model is mainly used in chemical industry equipment, in particular to recycle sulfuric acid concentration evaporator in a kind of graphite system, including cylinder, vaporization chamber is arranged in the top of cylinder, and the top of cylinder is equipped with steam inlet, lower part and is equipped with condensation-water drain, and cylinder is built-in with graphite heat-exchanging component, the bottom of graphite heat-exchanging component is equipped with circulation liquid collecting room, graphite heat-exchanging component is made of graphite cell block, and graphite cell block is axially arranged with several corresponding equally distributed flowing holes, and axle center is equipped in one and recycles flow channels；Graphite cell block also radially is provided with several and axial equally distributed flowing hole not penetrated through, and is equipped with secondary steam at the top of vaporization chamber and exports, evaporation chamber sets gradually demister, dilute sulfuric acid liquid materail tube and movable flow device from top to bottom.The utility model does not need the internal-circulation type evaporator of external circulating line；Has many advantages, such as strong resistance to negative pressure ability, compact-sized, stable, long service life, high-efficient, at low cost.
Description
Technical field
The utility model relates to recycle sulfuric acid concentration evaporators in a kind of graphite system, are mainly used in chemical industry equipment.
Background technique
In sulphuric acid concentration production, common evaporator is evaporator with external heating unit；It is by graphite heater and flash tank
The vapo(u)rization system being formed by connecting with circulating line is divided into the forms such as single effect evaporation, multiple-effect evaporation.There are equipment for prior art at present
The defects of structure is complicated, system is huge, operation stability is poor, at high cost, service life is short；Especially circulating line, existing system
It makes processing technology and is difficult to produce and can satisfy the circulating line that sulphuric acid concentration system is run steadily in the long term.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of compact-sized, stable, long service life, effect
Recycle sulfuric acid concentration evaporator in rate graphite system that is high, at low cost, not needing circulating line.
Recycle sulfuric acid concentration evaporator in graphite system described in the utility model, including cylinder, the top of cylinder, which is arranged, steams
Room is sent out, the top of cylinder is equipped with steam inlet, lower part and is equipped with condensation-water drain, and cylinder is built-in with graphite heat-exchanging component, and graphite changes
The bottom of hot component is equipped with circulation liquid collecting room, and graphite heat-exchanging component is made of graphite cell block, if graphite cell block is axially arranged with
Corresponding equally distributed flowing hole is done, axle center is equipped in one and recycles flow channels；If graphite cell block also radially is provided with
It is dry to be equipped with secondary steam at the top of vaporization chamber and export with the axial equally distributed flowing hole not penetrated through, evaporation chamber from up to
Under set gradually demister, dilute sulfuric acid liquid materail tube and movable flow device, demister is located above dilute sulfuric acid liquid materail tube, spinning liquid
The top of device is connected to dilute sulfuric acid liquid materail tube, and bottom is connected to interior circulation flow channels, and circulation liquid collecting room bottom is equipped with dense
Sulfuric acid material outlet.
The cylinder is the cylinder type steel sub-assembly with upper lower flange, and graphite heat-exchanging component shape is ring-like column
Structure, graphite heat-exchanging component and cylinder are coaxially disposed, and graphite cell block is all made of modular construction and is formed by stacking, graphite cell block
Between sealing using soft graphite coat Tetrafluoro spacer.
The vaporization chamber is the cylinder type of the graphite material production with upper cover, the coaxial built-in demisting in top
Device, coaxially built-in movable flow device, vaporization chamber side wall are equipped with visor for lower part.
The demister is the demister that full graphite material is manufactured, and movable flow device is graphite material sub-assembly；Movable flow device is set
There are several distributing fins, distributing fin and setting circumference are tangentially equipped with angle, and distributing fin top is equipped with receiving hopper, and lower part is equipped with
Flinger ring.
The distributing fin is 4-8, and distributing fin and the setting tangentially-arranged angle of circumference are in 14 °.
The circulation liquid collecting room is the cylinder type of the graphite material production with lower head, and bottom is coaxially provided with dense
Sulfuric acid material outlet, circulation liquid collecting room lower part is equipped with the metal lower cover plate with supporting leg, and is connected with the sealing of metal lower cover plate, metal
Lower cover plate and cylinder sealing are connected.
The vaporization chamber and cylinder sealing are connected and use upper bolt fastening, and method on cylinder is fixed in the lower end of upper bolt
Orchid, upper end, which is fixed on, to be placed on the upper cover plate at the top of vaporization chamber, installs compression spring at the top of upper bolt additional, is used for thermal compensation.
Sealing coats Tetrafluoro spacer, metal lower cover using soft graphite between the circulation liquid collecting room and graphite heat-exchanging component
Sealing coats Tetrafluoro spacer using soft graphite between plate and circulation liquid collecting room.
The metal lower cover plate and cylinder sealing are connected and use lower bolt fastening, and cylinder is fixed in the upper end of the lower bolt
Metal lower cover plate is fixed in body lower flange, lower end.
The structure type that the cylinder and the sealing of graphite heat-exchanging component are connected is differential O-ring circumferential seal structure.
Axial flowing hole, circulation liquid collecting room and interior circulation flow channels form heat exchange tube side, graphite heat-exchanging component and cylinder
Between form toroidal cavity, the toroidal cavity and radial flowing hole form heat exchange shell side.
The beneficial effects of the utility model are:
1. not needing vaporization cycle pipeline, device structure is compact, occupies little space, and cost of investment is low, long service life.Behaviour
Make simply, it is stable.
The setting of circulation flow channels feeding manner and cyclone in 2.；It completes three-level and strengthens defoaming function；It increases and follows
Ring motive force, improves velocity of medium.The effect for the stirring that is vortexed is formd to vaporization cycle liquid material；Promote cold and hot material
Mixing；Local temperature difference is avoided unevenly to the injury of equipment；Reduce flow resistance, while avoiding and reduce fouling
Heat-transfer effect is enhanced, work efficiency is high.
3. passing through the setting of built-in demister；Effectively reduce the liquid foam entrainment of secondary steam, evaporation condensate acid content
It is low, it can qualified discharge without subsequent processing.
4. the part of contact sulfuric acid medium all uses graphite integral material to make, corrosion resistant ability is strong, and resistance to negative pressure ability is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, metal lower cover plate；2, liquid collecting room is recycled；3, cylinder；4, graphite heat-exchanging component；4.0, graphite cell block；
4.1, axial flowing hole；4.2, radial flowing hole；5, steam inlet；6, movable flow device；6.1, receiving hopper；6.2, distributing fin；
6.3, flinger ring；7, demister；8, upper cover plate；8.1, upper bolt；9, secondary steam exports；10, compression spring；11, visor；
12, dilute sulfuric acid liquid materail tube；13, vaporization chamber；14, interior circulation flow channels；15, condensation-water drain；16, concentrated sulfuric acid material goes out
Mouthful.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
As shown in Figure 1, recycle sulfuric acid concentration evaporator in graphite system described in the utility model, including cylinder 3, cylinder 3
Top vaporization chamber 13 is set, the top of cylinder 3 is equipped with steam inlet 5, lower part and is equipped with condensation-water drain 15, and cylinder 3 is built-in with
Graphite heat-exchanging component 4, the bottom of graphite heat-exchanging component 4 are equipped with circulation liquid collecting room 2, and graphite heat-exchanging component 4 is by graphite cell block group
At graphite cell block is axially arranged with several corresponding evenly distributed axial flowing holes 4.1, and axle center is equipped in one and is circulated throughout
Circulation road；Graphite cell block also radially is provided with several and axial equally distributed radial flowing hole 4.2 not penetrated through, vaporization chamber 13
Top is equipped with secondary steam outlet 9, sets gradually demister 7, dilute sulfuric acid liquid materail tube 12 from top to bottom inside vaporization chamber 13
With movable flow device 6, demister 7 is located at 12 top of dilute sulfuric acid liquid materail tube, the top of movable flow device 6 and dilute sulfuric acid liquid materail tube 12
Connection, bottom is connected to interior circulation flow channels 14.Cylinder 3 is the cylinder type steel sub-assembly with upper lower flange, and graphite changes
Hot 4 shape of component is ring-like column structure, and graphite heat-exchanging component 4 and cylinder 3 are coaxially disposed, and graphite cell block 4.0 is all made of product
The wooden formula folded structures form, and sealing coats Tetrafluoro spacer using soft graphite between graphite cell block 4.0.Vaporization chamber 13 is with upper
The cylinder type of the graphite material production of end socket, the coaxial built-in demister 7 in top, the coaxial built-in movable flow device 6 in lower part, vaporization chamber
13 side walls are equipped with visor 11.Demister 7 is the demister 7 that full graphite material is manufactured, and movable flow device 6 is graphite material sub-assembly；
Movable flow device 6 is equipped with several distributing fins 6.2, and distributing fin 6.2 and setting circumference are tangentially equipped with angle, 6.2 top of distributing fin
Equipped with receiving hopper 6.1, lower part is equipped with flinger ring 6.3.Distributing fin 6.2 is 4-8, and distributing fin 6.2 and setting circumference are tangential
It is in 14 ° that angle, which is arranged,.The cylinder type that liquid collecting room 2 is the graphite material production with lower head is recycled, bottom is coaxially provided with
Concentrated sulfuric acid material outlet 16, circulation 2 lower part of liquid collecting room are equipped with the metal lower cover plate 1 with supporting leg, and solid with the sealing of metal lower cover plate 1
Even, metal lower cover plate 1 and the sealing of cylinder 3 are connected.Vaporization chamber 13 and the sealing of cylinder 3 are connected and are fastened using upper bolt 8.1, upper bolt
3 upper flange of cylinder is fixed in 8.1 lower end, and upper end is fixed on the upper cover plate 8 for being placed in 13 top of vaporization chamber, upper 8.1 top of bolt
Install compression spring 10 additional.Carry out thermal compensation.Sealing between liquid collecting room 2 and graphite heat-exchanging component 4 is recycled to coat using soft graphite
Tetrafluoro spacer, sealing coats Tetrafluoro spacer using soft graphite between metal lower cover plate 1 and circulation liquid collecting room 2.Metal lower cover plate 1 with
The sealing of cylinder 3, which is connected, uses lower bolt fastening, and 3 lower flange of cylinder is fixed in the upper end of the lower bolt, and metal is fixed in lower end
The structure type that lower cover plate 1, cylinder 3 and the sealing of graphite heat-exchanging component 4 are connected is differential O-ring circumferential seal structure.
The present embodiment is recycle sulfuric acid concentration evaporator in 100 squares of graphite systems, and the course of work is:
Dilution heat of sulfuric acid to be processed is continuously entered by dilute sulfuric acid liquid materail tube 12 to be arranged inside vaporization chamber 13
Receiving hopper 6.1；Further flow downwardly into movable flow device 6；Converge with vaporization cycle liquid material.In the effect of distributing fin 6.2
Under, eddy flow is downward, by the interior circulation flow channels 14 being arranged on 4 axle center of graphite heat-exchanging component, into circulation liquid collecting room 2.
Vaporization cycle liquid material in circulation liquid collecting room 2 is upwardly into evenly distributed axial flowing hole on graphite heat-exchanging component 4
4.1, i.e. heat exchange tube side.Side heating steam is serviced simultaneously, cylinder 3 is entered by steam inlet 5, through uniform on graphite heat-exchanging component 4
The radial flowing hole 4.2 of distribution, i.e. heat exchange shell side.The vaporization cycle liquid material of tube side and the service side steam in shell side are distinguished
Heat is carried out with flowing in shell side in the tube side of equipment to exchange.Later, the material parts gasification in tube side, averag density reduce.
Under the action of thermosiphon principle, Natural Circulation is formed between interior circulation flow channels 14.Graphite changes component axial direction flowing hole
Gas-liquid separation after gas-liquid mixed material in 4.1 is flashed up to vaporization chamber 13.Gas material, which passes upward through, is built in evaporation
The demister 7 on 13 top of room after eliminating liquid foam entrainment, is set and excludes in the secondary steam outlet 9 at 13 top of vaporization chamber.
After the flinger ring 6.3 of movable flow device 6 of the liquid material, that is, vaporization cycle liquid material through being built in 13 lower part of vaporization chamber,
Most of gas is separated；The distributing fin 6.2 through movable flow device 6 guides eddy flow again, further promotes gas-liquid separation, reduces gas
Entrainment.Vaporization cycle liquid converges in movable flow device 6 with the dilution heat of sulfuric acid to be processed from dilute sulfuric acid liquid materail tube 12,
Eddy flow is downward, and into interior circulation flow channels 14, continuous circulating and evaporating, solution concentration is improved.The sulfate liquid material of concentrate from
The concentrated sulfuric acid material outlet 16 that circulation 2 bottom of liquid collecting room is arranged in excludes.Side steam is serviced in completing heat exchange process, it is cold
Saturated hot-water is congealed into, and flows out condensation-water drain 15.
Recycle sulfuric acid concentration evaporator in 100 squares of graphite systems of the present embodiment, with 100 squares of external heating types of the prior art
Single-effect evaporation system data comparison table is as follows；Indices data embody the utility model advantage in table.
Claims (10)
1. recycle sulfuric acid concentration evaporator in a kind of graphite system, it is characterised in that: including cylinder (3), the top of cylinder (3) is arranged
Vaporization chamber (13), the top of cylinder (3) is equipped with steam inlet (5), lower part is equipped with condensation-water drain (15), and cylinder (3) is built-in with
The bottom of graphite heat-exchanging component (4), graphite heat-exchanging component (4) is equipped with circulation liquid collecting room (2), and graphite heat-exchanging component (4) is by graphite
Cell block composition, graphite cell block are axially arranged with several corresponding equally distributed flowing holes, and axle center is equipped in one and recycles
Flow channels；Graphite cell block also radially is provided with several and axial equally distributed flowing hole not penetrated through, vaporization chamber (13) top
Portion is equipped with secondary steam outlet (9), sets gradually demister (7), dilute sulfuric acid liquid material from top to bottom inside vaporization chamber (13)
(12) and movable flow device (6) are managed, demister (7) is located above dilute sulfuric acid liquid materail tube (12), the top of movable flow device (6) and dilute sulphur
Acid solution body materail tube (12) connection, bottom are connected to interior circulation flow channels (14), and the concentrated sulfuric acid is arranged in circulation liquid collecting room (2) bottom
Material outlet (16).
2. recycle sulfuric acid concentration evaporator in graphite system according to claim 1, it is characterised in that: cylinder (3) be with
The cylinder type steel sub-assembly of upper lower flange, graphite heat-exchanging component (4) shape are ring-like column structure, graphite heat-exchanging component (4)
It is coaxially disposed with cylinder (3), graphite cell block (4.0) is all made of modular construction and is formed by stacking, close between graphite cell block (4.0)
Envelope coats Tetrafluoro spacer using soft graphite.
3. recycle sulfuric acid concentration evaporator in graphite system according to claim 1, it is characterised in that: vaporization chamber (13) is band
There is a cylinder type of the graphite material production of upper cover, the coaxial built-in demister (7) in top, the coaxial built-in movable flow device in lower part
(6), vaporization chamber (13) side wall is equipped with visor (11).
4. recycle sulfuric acid concentration evaporator in graphite system according to claim 1, it is characterised in that: demister (7) is complete
The demister (7) that graphite material is manufactured, movable flow device (6) are graphite material sub-assembly；Movable flow device (6) is equipped with several distributing fins
(6.2), distributing fin (6.2) and circumference tangential direction are equipped with angle, and distributing fin (6.2) top is equipped with receiving hopper (6.1), under
Portion is equipped with flinger ring (6.3).
5. recycle sulfuric acid concentration evaporator in graphite system according to claim 4, it is characterised in that: distributing fin (6.2)
It is 4-8, distributing fin (6.2) and the tangentially-arranged angle of circumference are in 14 °.
6. recycle sulfuric acid concentration evaporator in graphite system according to claim 1, it is characterised in that: circulation liquid collecting room (2)
For the cylinder type of the graphite material production with lower head, bottom is coaxially provided with concentrated sulfuric acid material outlet (16), cycle set
Liquid chamber (2) lower part is equipped with the metal lower cover plate (1) with supporting leg, and is connected with metal lower cover plate (1) sealing, metal lower cover plate (1)
It is connected with cylinder (3) sealing.
7. recycle sulfuric acid concentration evaporator in graphite system according to claim 1, it is characterised in that: vaporization chamber (13) and cylinder
Body (3) sealing is connected to be fastened using upper bolt (8.1), and cylinder (3) upper flange is fixed in the lower end of upper bolt (8.1), and upper end is solid
It is scheduled on the upper cover plate (8) being placed at the top of vaporization chamber (13), installs compression spring (10) additional at the top of upper bolt (8.1), be used for heating power
Compensation.
8. recycle sulfuric acid concentration evaporator in graphite system according to claim 6, it is characterised in that: circulation liquid collecting room (2)
Sealing coats Tetrafluoro spacer, metal lower cover plate (1) and circulation liquid collecting room (2) using soft graphite between graphite heat-exchanging component (4)
Between sealing using soft graphite coat Tetrafluoro spacer.
9. recycle sulfuric acid concentration evaporator in graphite system according to claim 6, it is characterised in that: metal lower cover plate (1)
It seals to be connected with cylinder (3) and uses lower bolt fastening, cylinder (3) lower flange is fixed in the upper end of the lower bolt, and lower end is fixed
In metal lower cover plate (1).
10. recycle sulfuric acid concentration evaporator in graphite system according to claim 1, it is characterised in that: cylinder (3) and graphite
The connected structure type of heat-exchanging component (4) sealing is differential O-ring circumferential seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912777.9U CN208943475U (en) | 2018-06-13 | 2018-06-13 | Recycle sulfuric acid concentration evaporator in graphite system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912777.9U CN208943475U (en) | 2018-06-13 | 2018-06-13 | Recycle sulfuric acid concentration evaporator in graphite system |
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| Publication Number | Publication Date |
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| CN208943475U true CN208943475U (en) | 2019-06-07 |
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ID=66731116
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820912777.9U Active CN208943475U (en) | 2018-06-13 | 2018-06-13 | Recycle sulfuric acid concentration evaporator in graphite system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479092A (en) * | 2018-06-13 | 2018-09-04 | 山东赫达股份有限公司 | Recycle sulfuric acid concentration evaporator in graphite system |
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2018
- 2018-06-13 CN CN201820912777.9U patent/CN208943475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479092A (en) * | 2018-06-13 | 2018-09-04 | 山东赫达股份有限公司 | Recycle sulfuric acid concentration evaporator in graphite system |
| CN108479092B (en) * | 2018-06-13 | 2024-03-29 | 山东赫达集团股份有限公司 | Graphite internal circulation sulfuric acid concentration evaporator |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 255300 No. 999, Heda Road, Zhoucun District, Zibo City, Shandong Province Patentee after: Shandong Heda Group Co.,Ltd. Address before: 255300 No. 999, Heda Road, Zhoucun District, Zibo City, Shandong Province Patentee before: SHANDONG HEAD CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |