CN206430601U - One kind prepares concentrated sulfuric acid preheating device - Google Patents
One kind prepares concentrated sulfuric acid preheating device Download PDFInfo
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- CN206430601U CN206430601U CN201720092031.3U CN201720092031U CN206430601U CN 206430601 U CN206430601 U CN 206430601U CN 201720092031 U CN201720092031 U CN 201720092031U CN 206430601 U CN206430601 U CN 206430601U
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- sulfuric acid
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- preheating
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Abstract
One kind prepares concentrated sulfuric acid preheating device, belongs to purifying sulfuric acid process equipment technical field, and the preheating device includes housing, intubation, heat exchanger tube, heat exchange pipe cap, it is characterised in that：Housing is set to round estrade cavity structure, the upper end of housing is provided with cover plate, cover plate is provided centrally with concentrated sulfuric acid entrance, cover plate upper end is provided with the heat exchanger tube of predetermined number, heat exchanger tube is inserted in housing by cover plate, heat exchanger tube housing inner disk around communicating, the intubation for logical preheating sulfuric acid is provided with heat exchanger tube, the upper end of heat exchanger tube is respectively arranged with preheating inlet duct and preheating outlet conduit, flow control valve is provided with the preheating inlet duct and preheating outlet conduit, the beneficial effects of the utility model are, the high temperature energy of the concentrated sulfuric acid in the preheating device recoverable pot type sulphuric acid concentration technique, preheating for dilute sulfuric acid, and pre-heat effect is improved by structure design, make full use of the energy, reduce process costs.
Description
Technical field
The utility model is related to purifying sulfuric acid process equipment technical field, more particularly to one kind prepares the pre- hot charging of the concentrated sulfuric acid
Put.
Background technology
The product concentrated sulfuric acid temperature of pot type sulphuric acid concentration device is general at 310 DEG C or so, and concentration is 96% or so.Current
Technique is that directly cylinder iron jacket type cooler is cooled down by this hot concentrated sulfuric acid product, has the disadvantage the sensible heat of hot concentrated sulfuric acid product in itself
It is very big, do not utilize, cause energy waste, add the cost of handling process.
Patent No. CN201020627081.5 china national practical new-type patent discloses a kind of dilute sulfuric acid preheater, described
Preheater includes shell, and liner is arranged at outer casing inner wall top, and cover plate is covered on shell, and heat exchanger tube is inserted in shell by cover plate,
Heat exchange pipe cap is arranged at the top of heat exchanger tube, and provided with gasket seal, intubation is inserted inside heat exchanger tube, has dilute sulfuric acid to go out on heat exchange pipe cap
Mouthful, the outlet of the dilute sulfuric acid on the heat exchange pipe cap of heat exchanger tube above is come by polytetrafluoroethylene (PTFE) FlexbleJoint and is come thereafter
Heat exchanger tube heat exchange pipe cap on tube insertion aperture be connected, the dilute sulfuric acid outlet on the heat exchange pipe cap of last heat exchanger tube with it is outer
Boundary's pipeline is connected；There is hot concentrated sulfuric acid entrance in the center of cover plate, and concentrated sulfuric acid outlet is arranged at the top of shell, and deslagging is arranged at the bottom of shell
Mouthful.Although the preheater can improve the energy utilization rate of pot type sulphuric acid concentration device, above-mentioned technical proposal exists following
Shortcoming：The heat exchanger tube set in the shell is vertically arranged, and is not connected between each heat exchanger tube, is reduced dilute sulphur in heat exchanger tube
Contact area and time of contact of the acid with enclosure high-temperature concentrated sulfuric acid, it is impossible to be fully warmed-up, energy utilization rate reduction.
To sum up, in order to improve energy utilization rate, the pre-heat effect of dilute sulfuric acid is improved, it is necessary in existing pre-heater apparatus structure
On the basis of make certain improvements, to reduce the cost of handling process.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model prepares concentrated sulfuric acid preheating device there is provided one kind, effectively solution
The problem of energy waste present in current pot type sulphuric acid concentration technique or low energy utilization rate of having determined, its object is to there is provided
The high temperature energy of the concentrated sulfuric acid in a kind of preheating device, the preheating device recoverable pot type sulphuric acid concentration technique, for dilute
The preheating of sulfuric acid, and pre-heat effect is improved by structure design, the energy is made full use of, process costs are reduced.
To achieve the above object, the technical scheme that the utility model solves that its technical problem used is：It is described prepare it is dense
Sulfuric acid preheating device, including housing, intubation, heat exchanger tube, heat exchange pipe cap, it is characterised in that：The housing is set to round estrade
Cavity structure, the upper end of housing is provided with cover plate, and cover plate is provided centrally with concentrated sulfuric acid entrance, and cover plate upper end is provided with present count
The heat exchanger tube of amount, heat exchanger tube by cover plate insert housing in, heat exchanger tube housing inner disk around communicating, be provided with heat exchanger tube
For the intubation of logical preheating sulfuric acid, the upper end of heat exchanger tube is provided with heat exchange pipe cap, and adjacent heat exchange pipe cap upper end is respectively arranged with
Preheat in inlet duct and preheating outlet conduit, the preheating inlet duct and preheating outlet conduit and be provided with flow control valve.
The top of the housing is provided with concentrated sulfuric acid outlet conduit, concentrated sulfuric acid outlet conduit and is provided with flow control valve.
It is provided with the inner walls on high-silicon cast iron anticorrosion layer, housing exterior walls and is provided with heat-insulation layer.
The heat exchanger tube is arranged in a ring along cover plate.
The heat exchanger tube is arranged in the shape of a spiral along cover plate.
What the utility model was related to prepares concentrated sulfuric acid preheating device compared with prior art, and its advantage is：
1st, housing is set to round estrade cavity structure, because housing lower end cross-sectional diameter is bigger than upper end, improves dense sulphur
The capacity of acid, and then the time of contact of dilute sulfuric acid and enclosure interior high-temperature concentrated sulfuric acid in heat exchanger tube is added, preheat dilute sulfuric acid
It is more abundant.
2nd, the heat exchanger tube coiling in housing is communicated, and the intubation for logical preheating sulfuric acid is provided with heat exchanger tube, when to intubation
Inside it is passed through after preheating sulfuric acid, preheating sulfuric acid is diffused into the heat exchanger tube that coiling is communicated in housing, coils the heat exchanger tube increase communicated
Pre-heated volume, and the mobility of preheating sulfuric acid is improved, the preheating sulfuric acid of inside is uniformly preheated, reduce because of preheating not
The potential safety hazard uniformly caused.
3rd, adjacent heat exchange pipe cap upper end is respectively arranged with preheating inlet duct and preheating outlet conduit, the preheating entrance
Flow control valve is provided with pipeline and preheating outlet conduit, is changed by controlling flow control valve regulation dilute sulfuric acid to flow into and out
Flow in heat pipe, slowly enters dilute sulfuric acid and is fully warmed-up in heat exchanger tube.
Further, flow control valve is also equipped with concentrated sulfuric acid outlet conduit, makes height by adjusting flow control valve
The warm concentrated sulfuric acid slowly flows out, and makes full use of high temperature energy；It is provided with inner walls on high-silicon cast iron anticorrosion layer, housing exterior walls
Heat-insulation layer is provided with, the corrosion resistance and heat-insulating property of housing is improved, improves its service life；Heat exchanger tube is in ring along cover plate
Shape arrangement or helical arrangement add the arrangement quantity of heat exchanger tube, and the pre-heat effect of dilute sulfuric acid is improved indirectly.
Brief description of the drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing 1 is the utility model main structure diagram；
Accompanying drawing 2 is the utility model overlooking the structure diagram；
In accompanying drawing：1. housing, 2. intubations, 3. cover plates, 4. heat exchanger tubes, 5. flow control valves, 6. preheating inlet ducts, 7. change
Heat pipe cap, 8. concentrated sulfuric acid outlet conduits, 9. preheating outlet conduits, 10. concentrated sulfuric acid entrances, 11. high-silicon cast iron anticorrosion layers, 12. protect
Warm layer.
Embodiment
The utility model is described in further detail with reference to accompanying drawing 1, accompanying drawing 2, so that the public preferably grasps this practicality newly
The implementation of type, the utility model specific embodiment is：As shown in accompanying drawing 1, accompanying drawing 2, one kind prepares the concentrated sulfuric acid with advance
Thermal, including housing 1, intubation 2, heat exchanger tube 4, heat exchange pipe cap 7, it is characterised in that：The housing 1 is set to round estrade cavity
Structure, the upper end of housing 1 is provided with cover plate 3, and cover plate 3 is provided centrally with concentrated sulfuric acid entrance 10, and the upper end of cover plate 3 is provided with default
The heat exchanger tube 4 of quantity, heat exchanger tube 4 is inserted in housing 1 by cover plate 3, heat exchanger tube 4 housing 1 inner disk around communicating, heat exchanger tube
The intubation 2 for logical preheating sulfuric acid is provided with 4, the upper end of heat exchanger tube 4 is provided with heat exchange pipe cap 7, adjacent heat exchange pipe cap 7
End is respectively arranged with preheating inlet duct 6 and preheating outlet conduit 9, the preheating inlet duct 6 and preheating outlet conduit 9 and set
It is equipped with flow control valve 5.
The top of the housing 1 is provided with concentrated sulfuric acid outlet conduit 8, concentrated sulfuric acid outlet conduit 8 and is provided with flow control
Valve 5, makes high-temperature concentrated sulfuric acid slowly flow out, makes full use of high temperature energy by adjusting flow control valve 5.
It is provided with the inwall of housing 1 on high-silicon cast iron anticorrosion layer 11, the outer wall of housing 1 and is provided with heat-insulation layer 12, is improved
The corrosion resistance and heat-insulating property of housing 1, improves its service life.
The heat exchanger tube 4 is arranged in a ring along cover plate 3, adds the arrangement quantity of heat exchanger tube 4, dilute sulfuric acid is improved indirectly
Pre-heat effect.
The heat exchanger tube 4 is arranged in the shape of a spiral along cover plate 3, and the arrangement quantity of heat exchanger tube 4 is further increased, improves
The pre-heated volume of dilute sulfuric acid and high-temperature concentrated sulfuric acid, further increases pre-heat effect in heat exchanger tube 4.
During using the preheating device, the high-temperature concentrated sulfuric acid for heating generation with concentration pan constantly passes through concentrated sulfuric acid entrance 10
Into in housing 1, while being constantly passed through to preheating inlet duct 6 needs dilute sulfuric acid to be processed, controlled by adjusting flow control valve 5
The flow of dilute sulfuric acid processed, makes dilute sulfuric acid slow transit through intubation 2 and enters in heat exchanger tube 4, the outside of heat exchanger tube 4 connects with high-temperature concentrated sulfuric acid
Touch, raise the temperature of heat exchanger tube 4, internal dilute sulfuric acid absorbs heat and heated up, the elevated dilute sulfuric acid of temperature along heat exchanger tube 4 to
Upper diffusion, after dilute sulfuric acid preheating is uniform abundant, being flowed out to from preheating outlet conduit 9 needs in fractionating column to be processed, now high
The warm concentrated sulfuric acid flows out after being full of housing 1 from concentrated sulfuric acid outlet conduit 8, by adjusting regulation flow control valve 5 therein, can control
The flow of the concentrated sulfuric acid, makes full use of the high temperature energy of the concentrated sulfuric acid in housing 1, improves pre-heat effect and energy utilization rate.
Described above, simply explained through diagrams some principles of the present utility model, and this specification is not intended to this practicality
It is new to be confined in shown described concrete structure and the scope of application, therefore every corresponding modification for being possible to be utilized and wait
Jljl, belongs to the apllied the scope of the claims of the utility model.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (5)
1. one kind prepares concentrated sulfuric acid preheating device, including housing（1）, intubation（2）, heat exchanger tube（4）, heat exchange pipe cap（7）, it is special
Levy and be：The housing（1）It is set to round estrade cavity structure, housing（1）Upper end be provided with cover plate（3）, cover plate（3）In
The heart is provided with concentrated sulfuric acid entrance（10）, cover plate（3）Upper end is provided with the heat exchanger tube of predetermined number（4）, heat exchanger tube（4）Pass through cover plate
（3）Insert housing（1）It is interior, heat exchanger tube（4）In housing（1）Inner disk around communicating, heat exchanger tube（4）Inside it is provided with for logical preheating
The intubation of sulfuric acid（2）, heat exchanger tube（4）Upper end be provided with heat exchange pipe cap（7）, adjacent heat exchange pipe cap（7）Upper end is set respectively
There is preheating inlet duct（6）With preheating outlet conduit（9）, the preheating inlet duct（6）With preheating outlet conduit（9）It is middle to set
There is flow control valve（5）.
2. preheating device according to claim 1, it is characterised in that：The housing（1）Top be provided with the concentrated sulfuric acid and go out
Mouth pipeline（8）, concentrated sulfuric acid outlet conduit（8）Inside it is provided with flow control valve（5）.
3. preheating device according to claim 1 or 2, it is characterised in that：The housing（1）High silicon casting is provided with inwall
Iron anticorrosion layer（11）, housing（1）Heat-insulation layer is provided with outer wall（12）.
4. preheating device according to claim 1, it is characterised in that：The heat exchanger tube（4）Along cover plate（3）Arrange in a ring
Row.
5. preheating device according to claim 1, it is characterised in that：The heat exchanger tube（4）Along cover plate（3）Arrange in the shape of a spiral
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092031.3U CN206430601U (en) | 2017-01-24 | 2017-01-24 | One kind prepares concentrated sulfuric acid preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092031.3U CN206430601U (en) | 2017-01-24 | 2017-01-24 | One kind prepares concentrated sulfuric acid preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206430601U true CN206430601U (en) | 2017-08-22 |
Family
ID=59592126
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720092031.3U Active CN206430601U (en) | 2017-01-24 | 2017-01-24 | One kind prepares concentrated sulfuric acid preheating device |
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| Country | Link |
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| CN (1) | CN206430601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398852A (en) * | 2021-06-21 | 2021-09-17 | 许昌学院 | Inner temperature adjusting device of plate tower |
-
2017
- 2017-01-24 CN CN201720092031.3U patent/CN206430601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398852A (en) * | 2021-06-21 | 2021-09-17 | 许昌学院 | Inner temperature adjusting device of plate tower |
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