CN207187160U - A kind of OSLO crystallization apparatus - Google Patents
A kind of OSLO crystallization apparatus Download PDFInfo
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- CN207187160U CN207187160U CN201720765082.8U CN201720765082U CN207187160U CN 207187160 U CN207187160 U CN 207187160U CN 201720765082 U CN201720765082 U CN 201720765082U CN 207187160 U CN207187160 U CN 207187160U
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- crystallizer
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- liquid case
- circulating line
- outer cooler
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Abstract
The utility model discloses a kind of OSLO crystallization apparatus, belong to field of chemical equipment, the crystallizer of charging aperture is set including upper end, two sets of cooling systems have been at least connected with outside crystallizer, cooling system includes the circulating line being arranged on outside crystallizer, on circulating line circulation liquid case is connected with turn along the direction that circulates of feed liquid, main circulation pump and Outer Cooler, it is provided with what is upwardly extended by the bottom surface of circulation liquid case in circulation liquid case, circulation fluid lower box part is separated, the dividing plate of top connection, dividing plate upper end is higher than feed liquid liquid level in crystallizer, connected between circulating line and crystallizer between circulation liquid case and Outer Cooler by filling pump line line, cooling system is connected by vacuum pipe with vacuum extractor.The utility model maintenance main circulation pump is more convenient, realizes the valveless switching circulatory system, avoids the high cost brought using bigbore stop valve；Vacuum extractor is set simultaneously, avoids air in pipeline from entering the floating crystalline substance of crystallizer collector tube generation.
Description
Technical field
Field of chemical equipment is the utility model is related to, especially a kind of crystallization apparatus.
Background technology
All OSLO crystallization apparatus are all equipped with more than two sets Outer Coolers, periodically to switch cleaning.Circulating line system at present
System has two kinds of Vavle switching device and verticle circulatory pump valveless switching device using horizontal circulation pump.Horizontal circulation pump is cut added with valve
Changing device refers to that circulating pump uses horizontal pump, can be placed on crystallizer, on the ground below Outer Cooler, be set on circulating line
Switching valve closes cutting-off valve, it is necessary to first stop axial-flow pump when cleaning Outer Cooler, Outer Cooler is separated with crystallizer, is vented emptying
After start clean Outer Cooler.After cleaning terminates and discharges cleaning fluid, stop valve is opened, open the circulation pump after pump is filled, reactivates
Outer Cooler.
Verticle circulatory pump valveless switching device is that circulating pump is arranged at the top of crystallizer, circulating-pump outlet pipeline and outer cold
Device outlet conduit is above mold liquid level, sets emptying and drain on circulating line, is not provided with stop valve.Clean Outer Cooler
When, stop axial-flow pump, feed liquid in net circulation pipeline and Outer Cooler can be put by opening emptying dirt discharging valve；Axle stream is opened when enabling Outer Cooler
Pump and atmospheric valve can make feed liquid be full of pipeline and Outer Cooler.
Horizontal circulation pump is to need to set bigbore stop valve added with the shortcomings that Vavle switching device, outside costly and start-stop
It is awkward during cooler；Easily leakage fits badly other stop valve, flushing when causing to clean.
Verticle circulatory pump adds valveless switching device although to eliminate switching valve, but still suffers from problems with：Followed due to vertical
Ring pump is installed with the top of crystallizer, itself shaking and increasing crystallizer load again, and civil engineering cost is high；Vertical pump repair when need by
Top, which is all removed, to repair, and to be located at lifting maintenance difficulty at the top of crystallizer big for pump；Relative to horizontal pump, the vertical pump pump housing
Excessively stream part is longer, particularly with corrosive materials, it is desirable to which pump housing material is higher, adds equipment cost；Vertical pump passes in itself
Moving axis is very long, and axle envelope uses packing seal more, leakage problem be present in pump start and stop.
Utility model content
The utility model technical issues that need to address are to provide a kind of OSLO crystallization apparatus, and main circulation pump is arranged on ground
On, maintenance main circulation pump is more convenient, and realizes the valveless switching circulatory system by structure design, avoids using bigbore
The trouble being awkward when high cost and start-stop Outer Cooler that stop valve is brought；Vacuum extractor is set simultaneously, avoided in pipeline
Air enters crystallizer collector tube and produces floating crystalline substance.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of OSLO crystallization apparatus, include the crystallizer that upper end sets charging aperture, be at least connected with outside crystallizer two sets it is cold
But system, the cooling system include being arranged on circulating line outside crystallizer, circulating along feed liquid on circulating line
Direction is connected with circulation liquid case, installation main circulation pump and Outer Cooler on the ground in turn, be provided with the circulation liquid case by
It is that the bottom surface of circulation liquid case upwardly extends, circulation fluid lower box part separated, the dividing plate of top connection, dividing plate upper end is higher than crystallizer
Interior feed liquid liquid level, circulate and connected between circulating line and crystallizer between liquid case and Outer Cooler by filling pump line line, cooling system
System is connected by vacuum pipe with vacuum extractor.
Technical solutions of the utility model further improvement is that：Position on the vacuum pipe higher than crystallizer is set
There is vacuum buffer tank.
Technical solutions of the utility model further improvement is that：The circulation liquid case upper end passes through vacuum pipe and vacuum
Surge tank connects, and is connected on the circulating line between the Outer Cooler and crystallizer by vacuum pipe with vacuum buffer tank.
Technical solutions of the utility model further improvement is that：The circulation liquid case upper end is provided with atmospheric valve, circulates
Liquid case lower end is provided with dirt discharging valve.
Technical solutions of the utility model further improvement is that：The circulating line lower end is provided with dirt discharging valve.
Technical solutions of the utility model further improvement is that：On circulating line between main circulation pump and circulation liquid case
It is connected with cleaning fluid and enters pipeline, Outer Cooler upper end is provided with rinse liquid outlet, and cleaning fluid outflow is connected with rinse liquid outlet
Pipeline, rinse liquid outlet is less than circulation liquid case.
Technical solutions of the utility model further improvement is that：Outer Cooler bottom is provided with Low Temperature Difference cold medium inlet tube
Road, Outer Cooler top are provided with Low Temperature Difference cold medium and go out pipeline, and Outer Cooler bottom sets dirt discharging valve, and Outer Cooler top sets emptying
Valve.
Technical solutions of the utility model further improvement is that：The main circulation pump is horizontal circulation pump.
Technical solutions of the utility model further improvement is that：Horizontal stroke between the dividing plate upper end and circulation fluid box top
Sectional area is identical with circulating line cross-sectional area.
Technical solutions of the utility model further improvement is that：The vacuum buffer tank upper end is provided with atmospheric valve, very
Empty buffer tank lower end is connected by being provided with the pipeline of dirt discharging valve with crystallizer.
By adopting the above-described technical solution, the technological progress that the utility model obtains is：
The utility model includes crystallizer and cooling system, and circulation liquid case, main circulation pump and outer cold are included in cooling system
Device, crystallization operation is performed integrally, while the structure setting of cooling system causes the utility model can use need not be arranged on knot
Horizontal main circulation pump at the top of brilliant device, on ground, installation, maintenance circulating pump are more convenient, and can realize valveless switching cyclic system
System, avoids the trouble being awkward when the high cost and the start-stop Outer Cooler that are brought using bigbore stop valve.Cooling system is also
It is connected with vacuum extractor, is completely exhausted out air in circulating line by vacuumizing during driving, feed liquid is by crystallizer in circulating box
Connected side enters circulating line side by dividing plate, and feed liquid is completely filled with whole circulating line and Outer Cooler, avoided in pipeline
Air enters crystallizer collector tube and produces floating crystalline substance.
Position higher than crystallizer on vacuum pipe sets vacuum buffer tank, and the feed liquid of vacuum suck-back can be in vacuum buffer
Storage reaches buffering purpose in tank, avoids feed liquid from being directly entered in vacuum extractor and equipment is caused to damage.
The cleaning fluid that cleaning fluid connects from circulating line enters Outer Cooler into pipeline, and Outer Cooler upper end is provided with cleaning
Liquid exports, and rinse liquid outlet is less than circulation liquid case, and cleaning fluid will not enter along circulating line and circulate when ensureing to clean Outer Cooler
Inside liquid case, liquid is avoided to mix.
The utility model sets dividing plate in circulation liquid case, and the height of dividing plate prevents higher than the height of feed liquid in crystallizer
Feed liquid of the main circulation pump of cooling system in parking in crystallizer enters Outer Cooler by circulating line, avoids influenceing Outer Cooler
Washing and cleaning operation；Cross-sectional area between dividing plate upper end and circulation fluid box top is identical with circulating line cross-sectional area, that is, passes through
The feed liquid flow circulated above liquid case internal partition is consistent with the feed liquid flow in circulating line, it is ensured that feed liquid circulates steady.
Brief description of the drawings
Fig. 1 is the utility model part annexation figure；
Wherein, 1, crystallizer, 2, vacuum extractor, 3, circulation liquid case, 4, Outer Cooler, 5, main circulation pump, 6, fill pump line line,
7th, dividing plate, 8, circulating line, 9, vacuum pipe, 10, vacuum buffer tank, 11, atmospheric valve, 12, dirt discharging valve, 13, cleaning fluid enters
Pipeline, 14, cleaning fluid go out pipeline, 15, Low Temperature Difference cold medium inlet tube road, 16, Low Temperature Difference cold medium go out pipeline, 17, feed pipe.
Embodiment
The utility model is described in further details with reference to embodiment：
As shown in figure 1,
A kind of OSLO crystallization apparatus, including crystallizer 1, the upper end of crystallizer 1 set charging aperture, collection are provided with crystallizer 1
Liquid pipe, feed liquid collector tube enters the bottom of crystallizer 1, two sets of cooling systems has been at least connected with outside crystallizer 1, clear periodically to switch
Wash.Cooling system includes the circulating line 8 being arranged on outside crystallizer 1, and one is set on the outer wall that the crystallizer 1 of circulating line 8 is admitted to
Individual outlet（Outlet height is less than liquid level in crystallizer 1）It is connected with circulating line 8, circulating line 8 is eventually returned in crystallizer 1
Collector tube upper end and enter crystallizer 1 bottom.It is connected with turn and follows along the direction that circulates of feed liquid on circulating line 8
Ring liquid case 3, main circulation pump 5 and Outer Cooler 4, are performed integrally crystallization operation；Main circulation pump 5 is horizontal circulation pump, cooling system
Structure setting causes the utility model to use the horizontal main circulation pump that need not be arranged at the top of crystallizer, installed on ground,
It is more convenient to overhaul circulating pump, and the valveless switching circulatory system can be realized, avoids the height brought using bigbore stop valve
The trouble being awkward when expense and start-stop Outer Cooler.
The dividing plate 7 upwardly extended by the bottom surface of circulation liquid case 3 is provided with circulation liquid case 3, dividing plate 7 will be circulated under liquid case 3
Portion separates, top connects, and the upper end of dividing plate 7 is higher than feed liquid liquid level in crystallizer 1, and the upper end of dividing plate 7 is higher than feed liquid liquid level in crystallizer 1
2~5cm, it is ensured that when Outer Cooler stops, feed liquid will not enter circulating line and Outer Cooler by crystallizer.The upper end of dividing plate 7 with
The cross-sectional area circulated between the top of liquid case 3 is identical with the cross-sectional area of circulating line 8, i.e., by circulating above liquid case internal partition
Feed liquid flow is consistent with the feed liquid flow in circulating line, it is ensured that feed liquid circulates steady.Circulation liquid case 3 upper end is provided with emptying
Valve 11, circulation liquid case 3 lower end are provided with dirt discharging valve 12, and valve body is arranged to function and realizes the necessary guarantee of offer.Ring liquid case 3 and outer
Connected by the filling pump line line 6 of belt switch valve between circulating line 8 and crystallizer 1 between cooler 4, will be crystallized for early stage
Feed liquid is imported in circulating line 8 in device 1.Cooling system is connected by the vacuum pipe 9 of belt switch valve with vacuum extractor 2 simultaneously
Connect, the position higher than crystallizer 1 on vacuum pipe 9 is provided with vacuum buffer tank 10, and specific connected mode can use：Cooling system
The upper end of circulation liquid case 3 in system is connected by vacuum pipe 9 with vacuum buffer tank 10, the circulation between Outer Cooler 4 and crystallizer 1
It is connected on pipeline 8 by vacuum pipe 9 with vacuum buffer tank 10, vacuum buffer tank 10 passes through the vacuum pipe with controlled valve
9 are connected with vacuum extractor 2, so can guarantee that feed liquid after entering early stage in circulating line 8 by vacuumizing reality at two
Existing suck-back, feed liquid can be covered with whole piece circulating line 8.The upper end of vacuum buffer tank 10 is provided with atmospheric valve 11, under vacuum buffer tank 10
End is connected by being provided with the pipeline of dirt discharging valve 12 with crystallizer 1, is discharged into for that will enter vacuum buffer tank 10 in crystallizer 1.
The lower end low spot of circulating line 8 is provided with dirt discharging valve 12 simultaneously, is easy to put liquid in circulating line 8 during two kinds of function conversions
Only.
The cleaning fluid with controlled valve, which is connected with, on circulating line 8 between main circulation pump 5 and circulation liquid case 3 enters pipe
Road 13, the upper end of Outer Cooler 4 are provided with rinse liquid outlet, and the wash liquid stream outlet pipe with controlled valve is connected with rinse liquid outlet
Road 14.Cleaning fluid can finally be flowed out in fact by that can be entered by cleaning fluid into pipeline 13 by rinse liquid outlet when cleaning Outer Cooler
Now to the cleaning of Outer Cooler 4, while rinse liquid outlet is less than circulation liquid case 3, ensures during cleaning Outer Cooler that cleaning fluid will not be along
Circulating line enters inside circulation liquid case, avoids liquid from mixing.
Low Temperature Difference cold medium inlet tube road 15 is provided with the bottom of Outer Cooler 4, the top of Outer Cooler 4 is provided with Low Temperature Difference cold medium
Go out pipeline 16, the bottom of Outer Cooler 4 sets dirt discharging valve 12, the top installation of relief valve 11 of Outer Cooler 4, refrigerating function realized with this.
Simultaneously for corrosive materials, the horizontal circulation pump pump housing can use steel lining tetrafluoro material, relative to verticle circulatory pump
For equipment manufacturing cost it is low；Circulating pump is connected using horizontal belt, wheel speed can be reduced by changing the diameter of belt pulley, from
And reduce destruction of the pump to crystal.
Operating process of the present utility model is as follows：
Outer Cooler is driven：Check whether each dirt discharging valve 12, atmospheric valve 11 and cleaning fluid pipe valve are to close shape before driving
State.All atmospheric valves 11 connected on circulating line and the valve for filling pump line line are opened, feed liquid enters circulating line by crystallizer 1
8.The liquid level of pipeline 8 to be recycled closes atmospheric valve 11 and the filling pump line valve that circulating line 8 is connected after maintaining an equal level with liquid level in crystallizer 1
Door.The vacuum pipe valve for opening vacuum buffer tank 10, circulation liquid case 3 and circulating line 8 starts to vacuumize, and feed liquid is by circulation fluid
Case 3 enters circulating line 8 and is full of whole circulating line 8 and Outer Cooler 4.The vacuum pipe 9 of observation circulation liquid case 3 upper end regards
Mirror closes slow circulation liquid case 3 and the vacuum pipe valve of vacuum buffer tank 10 when having feed liquid.Open the dirt discharging valve of vacuum buffer tank 10
Feed liquid in vacuum buffer tank 10 is put into crystallizer 1.Main circulation pump 5 can be now opened, Outer Cooler 4 comes into operation.
Outer Cooler stops：The valve of the circulation Low Temperature Difference cold medium of Outer Cooler 4 is closed, main circulation pump 5 is closed, opens circulation
The atmospheric valve 11 and dirt discharging valve 12 of pipeline 8, feed liquid in circulating line 8 is put only（If long term stop is needed in emptying circulation liquid case 8
Feed liquid）.Dirt discharging valve 12 is closed, opens cleaning fluid pipe valve, starts to clean Outer Cooler 4.
Claims (10)
1. a kind of OSLO crystallization apparatus, including upper end set the crystallizer of charging aperture（1）, it is characterised in that：Crystallizer（1）Outside extremely
Two sets of cooling systems are connected with less, and the cooling system includes being arranged on crystallizer（1）Outer circulating line（8）, circulating line
（8）On along the direction that circulates of feed liquid be connected with circulation liquid case in turn（3）, installation main circulation pump on the ground（5）With
Outer Cooler（4）, the circulation liquid case（3）In be provided with by circulation liquid case（3）Bottom surface upwardly extend, liquid case will be circulated（3）
Bottom separates, the dividing plate of top connection（7）, dividing plate（7）Upper end is higher than crystallizer（1）Interior feed liquid liquid level, circulate liquid case（3）With it is outer
Cooler（4）Between circulating line（8）With crystallizer（1）Between by filling pump line line（6）Connection, cooling system pass through vacuum tube
Road（9）With vacuum extractor（2）Connection.
A kind of 2. OSLO crystallization apparatus according to claim 1, it is characterised in that：The vacuum pipe（9）It is upper to be higher than knot
Brilliant device（1）Position be provided with vacuum buffer tank（10）.
A kind of 3. OSLO crystallization apparatus according to claim 2, it is characterised in that：The circulation liquid case（3）Upper end passes through
Vacuum pipe（9）With vacuum buffer tank（10）Connection, the Outer Cooler（4）With crystallizer（1）Between circulating line（8）It is upper logical
Cross vacuum pipe（9）With vacuum buffer tank（10）Connection.
A kind of 4. OSLO crystallization apparatus according to claim 1, it is characterised in that：The circulation liquid case（3）Upper end is set
There is atmospheric valve（11）, circulate liquid case（3）Lower end is provided with dirt discharging valve（12）.
A kind of 5. OSLO crystallization apparatus according to claim 1, it is characterised in that：The circulating line（8）Lower end is set
There is dirt discharging valve（12）.
A kind of 6. OSLO crystallization apparatus according to claim 1, it is characterised in that：Main circulation pump（5）With circulating liquid case（3）
Between circulating line（8）On be connected with cleaning fluid and enter pipeline（13）, Outer Cooler（4）Upper end is provided with rinse liquid outlet, clearly
Washing lotion exit is connected with wash liquid stream and goes out pipeline（14）, rinse liquid outlet is less than circulation liquid case（3）.
A kind of 7. OSLO crystallization apparatus according to claim 1, it is characterised in that：Outer Cooler（4）Bottom is provided with low temperature
Poor cold medium inlet tube road（15）, Outer Cooler（4）Top is provided with Low Temperature Difference cold medium and goes out pipeline（16）, Outer Cooler（4）Bottom is set
Put dirt discharging valve（12）, Outer Cooler（4）Top installation of relief valve（11）.
A kind of 8. OSLO crystallization apparatus according to claim 1, it is characterised in that：The main circulation pump（5）Followed to be horizontal
Ring pump.
A kind of 9. OSLO crystallization apparatus according to claim 1, it is characterised in that：The dividing plate（7）Upper end and circulation fluid
Case（3）Cross-sectional area and circulating line between top（8）Cross-sectional area is identical.
A kind of 10. OSLO crystallization apparatus according to claim 2, it is characterised in that：The vacuum buffer tank（10）Upper end
It is provided with atmospheric valve（11）, vacuum buffer tank（10）Lower end is by being provided with dirt discharging valve（12）Pipeline and crystallizer（1）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765082.8U CN207187160U (en) | 2017-06-28 | 2017-06-28 | A kind of OSLO crystallization apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765082.8U CN207187160U (en) | 2017-06-28 | 2017-06-28 | A kind of OSLO crystallization apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN207187160U true CN207187160U (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720765082.8U Active CN207187160U (en) | 2017-06-28 | 2017-06-28 | A kind of OSLO crystallization apparatus |
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| CN (1) | CN207187160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261542A (en) * | 2017-06-28 | 2017-10-20 | 河北诺达化工设备有限公司 | A kind of OSLO crystallization apparatus |
| CN114768294A (en) * | 2022-06-21 | 2022-07-22 | 河北纽思泰伦环保科技有限公司 | Continuous crystallization system of thiourea |
-
2017
- 2017-06-28 CN CN201720765082.8U patent/CN207187160U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261542A (en) * | 2017-06-28 | 2017-10-20 | 河北诺达化工设备有限公司 | A kind of OSLO crystallization apparatus |
| CN107261542B (en) * | 2017-06-28 | 2023-01-24 | 河北诺达化工设备有限公司 | OSLO crystallization device |
| CN114768294A (en) * | 2022-06-21 | 2022-07-22 | 河北纽思泰伦环保科技有限公司 | Continuous crystallization system of thiourea |
| CN114768294B (en) * | 2022-06-21 | 2022-08-30 | 河北纽思泰伦环保科技有限公司 | Continuous crystallization system of thiourea |
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