CN209567813U - A kind of vacuum degree control system of phosphoric acid concentrating device - Google Patents
A kind of vacuum degree control system of phosphoric acid concentrating device Download PDFInfo
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- CN209567813U CN209567813U CN201920041945.6U CN201920041945U CN209567813U CN 209567813 U CN209567813 U CN 209567813U CN 201920041945 U CN201920041945 U CN 201920041945U CN 209567813 U CN209567813 U CN 209567813U
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- Prior art keywords
- connecting tube
- phosphoric acid
- barometric condenser
- vacuum pump
- vacuum degree
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a kind of vacuum degree control system of phosphoric acid concentrating device, including phosphoric acid feedway, flash distillation plant, fluorine removal device, barometric condenser, recirculated water water supply device, recycle water recovery device；The phosphoric acid feedway is connected through the first connecting tube with flash distillation plant, the flash distillation plant is connected to through the second connecting tube with fluorine removal device, the fluorine removal device is connected to through third connecting tube with the air inlet of barometric condenser, and the inlet and outlet of barometric condenser are connected through the 4th connecting tube and the 5th connecting tube with recirculated water water supply device and recycle water recovery device respectively；It is connected with the 6th connecting tube at barometric condenser gas outlet, the valve of at least one the 6th connecting tube on-off of control is provided in the 6th connecting tube.Advantage is: the vacuum degree in phosphoric acid concentrating device can be made to meet vacuum level requirements, vacuum pump is without operation, the energy expended when saving the process water that vacuum pump operation expends, while saving vacuum pump operation in the case where not using vacuum pump.
Description
Technical field
The utility model relates to phosphoric acid chemical field more particularly to a kind of vacuum degree control systems of phosphoric acid concentrating device.
Background technique
It is indirect that low-pressure steam is added using graphite heat exchanger in the principle that Phosphoric Acid Concentration process uses forced circulation to be evaporated in vacuo
Heat phosphoric acid,diluted；Washing absorption fluoro-gas is recycled with water, the gas come out from fluorine absorption system is substantially vapor, is separately had
Part incoagulable gas, vapor congeals into water by a large amount of recirculated water coolings in concentration barometric condenser, under the auxiliary of vacuum pump,
To form vacuum, with the low-phosphorous sour boiling point of negative pressure drop, the moisture in phosphoric acid,diluted is evaporated, phosphoric acid concentration is improved.
Enrichment facility under vacuum conditions, reduces phosphoric acid boiling point, promotes equipment to be able to satisfy phosphoric acid corrosion requirement, thus very
Reciprocal of duty cycle produces one of the index that plays a crucial role to concentration.In the actual production process of phosphoric acid plant, concentration systems generate vacuum
Key facility by barometric condenser and vacuum pump group at improving enrichment facility vacuum degree using vacuum pump auxiliary barometric condenser
Mode, the electricity charge, water rate consumed by the operation of vacuum pump are very huge in actual use, bring to company huge
Economic pressures, while corresponding maintenance cost can be also generated in use, the energy consumption of equipment is not only increased, company is returned
Bring economic loss.
Utility model content
The purpose of this utility model is to provide a kind of vacuum degree control systems of phosphoric acid concentrating device, to solve existing
Foregoing problems present in technology.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
A kind of vacuum degree control system of phosphoric acid concentrating device, including phosphoric acid feedway (1), flash distillation plant (2), fluorine removal
Device (3), barometric condenser (4), recirculated water water supply device (5), recycle water recovery device (6)；The phosphoric acid feedway (1)
It is connected through the first connecting tube (8) with flash distillation plant (2), the flash distillation plant (2) is through the second connecting tube (9) and fluorine removal device (3)
Connection, the fluorine removal device (3) are connected to through third connecting tube (10) with the air inlet of barometric condenser (4), barometric condenser (4)
Inlet and outlet respectively through the 4th connecting tube (11) and the 5th connecting tube (12) and recirculated water water supply device (5) and circulation
Water recovery device (6) is connected；The 6th connecting tube (13), the 6th connecting tube are connected at the gas outlet of barometric condenser (4)
(13) at least one valve (14) for controlling its on-off is provided on.
Preferably, the one end of the 6th connecting tube (13) far from the barometric condenser (4) and the vacuum pump (7)
Air inlet is connected.
Preferably, the valve (14) is stainless steel ball valve.
The beneficial effects of the utility model are: 1, do not use vacuum pump in the case where, be also able to maintain flash distillation plant
Pressure meets the vacuum level requirements of enrichment facility, saves vacuum pump operation bring economic loss.2, vacuum pump operation mistake is avoided
The problems such as generating damage in journey, being repaired to company's bring.3, the process water needed in vacuum pump use process is saved, is saved
Water resource.4, extend the service life of vacuum pump.
Detailed description of the invention
Fig. 1 is the schematic diagram of vacuum degree control system in the utility model.
Wherein: 1, phosphoric acid feedway；2, flash distillation plant；3, fluorine removal device；4, barometric condenser；41, barometric condenser
Air inlet；42, barometric condenser gas outlet；43- barometric condenser water inlet；44, barometric condenser water outlet；5, recirculated water supplies
Water installations；6, recycle water recovery device；7, vacuum pump；71, air-inlet of vacuum pump；8, the first connecting tube；9, the second connecting tube；
10, third connecting tube；11, the 4th connecting tube；12, the 5th connecting tube；13, the 6th connecting tube；14, valve.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.It should be appreciated that the specific embodiments described herein are only used to explain that this is practical
It is novel, it is not used to limit the utility model.
As shown in Figure 1, the utility model provides a kind of vacuum degree control system of phosphoric acid concentrating device, the vacuum degree
Control system includes phosphoric acid feedway 1, flash distillation plant 2, fluorine removal device 3, barometric condenser 4, recirculated water water supply device 5, follows
Ring water recovery device 6；The phosphoric acid feedway 1 is connected through the first connecting tube 8 with flash distillation plant 2, and flash distillation plant 2 connects through second
Adapter tube 9 is connected to fluorine removal device 3, and the fluorine removal device 3 is connected through third connecting tube 10 with barometric condenser air inlet 41, greatly
Gas condenser water inlet 43 is connected to through the 4th connecting tube 11 with recirculated water water supply device 5, and barometric condenser water outlet 44 is through the 5th
Connecting tube 12 is connected to recycle water recovery device 6, and the 6th connecting tube 13, institute are connected at the barometric condenser gas outlet 42
The valve 14 being provided in the 6th connecting tube 13 for controlling 13 on-off of the 6th connecting tube is stated, the number of the valve 14 is at least
One, the valve 14 is stainless steel ball valve, and valve 14 is not limited to stainless steel ball valve, and can be any may be implemented effect
Valve 14.
In the present embodiment, phosphoric acid,diluted of the phosphoric acid from phosphoric acid tank field in phosphoric acid feedway 1, by graphite heat exchanger
Low-pressure steam exchanged heat after, after through the first connecting tube 8 enter flash distillation plant 2, through flash distillation plant 2 carry out treated dodge
Vapor volume enters fluorine removal device 3 by the second connecting tube 9 and carries out fluorine removal processing, and by fluorine removal device 3, treated that gas is basic
On be vapor, wherein containing part incoagulable gas, enter by treated the gas of fluorine removal device 3 through third connecting tube 10
Barometric condenser 4, recirculated water has been passed through in barometric condenser 4, and the gas that recirculated water will enter barometric condenser 4 carries out condensate liquid
Change.Vacuum pump 7 is connected by the 6th connecting tube 13 with barometric condenser 4, and the both ends of the 6th connecting tube 13 are respectively communicated with vacuum pump
Air inlet 71 and barometric condenser gas outlet 42, be provided in the 6th connecting tube 13 at least one for control the 6th connecting tube
The stainless steel ball valve of 13 on-off.Due to the setting of ball valve, make the 6th connecting tube 13 that can not be connected to vacuum pump 7, therefore can remove
Vacuum pump 7, without using vacuum pump 7.The vacuum degree control that phosphoric acid concentrating device is carried out using recirculated water, makes flash distillation plant 2
Absolute pressure is basically stable between 17-20KPa, meets the vacuum level requirements of phosphoric acid concentrating device.
The utility model makes full use of the circulation in barometric condenser 4 using the actual conditions that northern weather is more cold
Vapor in vacuum degree control system is condensed into water by water, and the vacuum degree of whole system is reduced with this, reduces phosphoric acid boiling point, is promoted
It causes the device to meet phosphoric acid corrosion requirement.It works simultaneously without using vacuum pump 7, it is only necessary to which operator controls ball valve
On-off guarantees the vacuum degree of vacuum degree control system, simple to operation, while reaching good vacuum degree control effect.Entirely
System intermediate pump 7 is in idle state.Either without adding vacuum pump 7, so, vacuum can be not only saved
Process water used in 7 course of work of vacuum pump can also be saved by pumping the electricity charge practical in 7 courses of work, it is thus also avoided that vacuum pump
7 later maintenance brings very big economic benefit for company.
By using above-mentioned technical proposal disclosed by the utility model, following beneficial effect has been obtained: by existing
Phosphoric acid concentrating device, connect the good vacuum pump of barometric condenser the 6th connecting tube on setting control the 6th connecting tube on-off ball
Valve is realized in the case where not using vacuum pump, meets the requirement of vacuum degree in phosphoric acid concentrating device.Vacuum pump deactivates, no
The process water that vacuum pump uses during the work time can be only saved, the electricity that vacuum pump expends in use can also be saved
Take, while also avoiding the later maintenance of vacuum pump, saves substantial contribution for company.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching should also regard the protection scope of the utility model.
Claims (3)
1. a kind of vacuum degree control system of phosphoric acid concentrating device, it is characterised in that: including phosphoric acid feedway (1), flash distillation dress
Set (2), fluorine removal device (3), barometric condenser (4), recirculated water water supply device (5), recycle water recovery device (6)；The phosphoric acid
Feedway (1) is connected through the first connecting tube (8) with flash distillation plant (2), the flash distillation plant (2) through the second connecting tube (9) with
Fluorine removal device (3) connection, the fluorine removal device (3) are connected to through third connecting tube (10) with the air inlet of barometric condenser (4), greatly
The inlet and outlet of gas condenser (4) supply water through the 4th connecting tube (11) and the 5th connecting tube (12) and recirculated water fill respectively
(5) are set to be connected with recycle water recovery device (6)；The 6th connecting tube (13) is connected at the gas outlet of barometric condenser (4), it is described
At least one valve (14) for controlling its on-off is provided in 6th connecting tube (13).
2. the vacuum degree control system of phosphoric acid concentrating device according to claim 1, it is characterised in that: the vacuum degree control
System processed further includes vacuum pump (7), the 6th connecting tube (13) one end and the vacuum far from the barometric condenser (4)
The air inlet for pumping (7) is connected.
3. the vacuum degree control system of phosphoric acid concentrating device according to claim 1, it is characterised in that: the valve (14)
For stainless steel ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041945.6U CN209567813U (en) | 2019-01-10 | 2019-01-10 | A kind of vacuum degree control system of phosphoric acid concentrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041945.6U CN209567813U (en) | 2019-01-10 | 2019-01-10 | A kind of vacuum degree control system of phosphoric acid concentrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209567813U true CN209567813U (en) | 2019-11-01 |
Family
ID=68333076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920041945.6U Active CN209567813U (en) | 2019-01-10 | 2019-01-10 | A kind of vacuum degree control system of phosphoric acid concentrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209567813U (en) |
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2019
- 2019-01-10 CN CN201920041945.6U patent/CN209567813U/en active Active
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