CN105597646B - Cyanamide hydrolyzes desolventizing system device - Google Patents
Cyanamide hydrolyzes desolventizing system device Download PDFInfo
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- CN105597646B CN105597646B CN201510804718.0A CN201510804718A CN105597646B CN 105597646 B CN105597646 B CN 105597646B CN 201510804718 A CN201510804718 A CN 201510804718A CN 105597646 B CN105597646 B CN 105597646B
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- storage tank
- thin film
- water pot
- film evaporator
- pipeline
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Abstract
Desolventizing system device is hydrolyzed the present invention relates to a kind of cyanamide.It include hydrolysis mechanism, thin film evaporator, storage tank, except water pot, vavuum pump, condenser, thin film evaporator lower end outlet connection storage tank upper end, thin film evaporator upper end water pot is removed by pipeline connection, except water pot upper end by pipeline connects vavuum pump, except between water pot and thin film evaporator on pipeline be equipped with condenser, storage tank lower end is connected on thin film evaporator upper end, circulation line by circulation line and delivery pump is housed, and storage tank lower end is equipped with product outlet pipe.Advantage is that design is simple, and easy to use, every group of equipment is probably four times of conventional equipment yield；Heat in cooling pond is taken away by liquid carbon dioxide gasification heat absorption, so as to cool down the coolant in cooling pond, saves energy consumption, accelerates carbon dioxide gasification, reduce cost, greatly accelerate hydrolysis kettle reaction efficiency；Storage tank and thin film evaporator make cyanamide intermediate products circulate precipitation by delivery pump, and precipitation effect is protruded.
Description
Technical field
The present invention relates to cyanamide production system field, and in particular to a kind of cyanamide hydrolyzes desolventizing system device.
Background technology
In conventional cyanamide production process, it is necessary to which several systems system works simultaneously during precipitation, output, one can be only achieved
Group is accomplished by two groups of air pumps, and conventional production system safety coefficient is low, and energy consumption is big, occupies space greatly, conventional cyanamide hydrolysis kettle
Coolant refrigeration by special freezing mechanism cold, then coolant is transported in hydrolysis kettle, so power consumption, cost
Greatly；The carbon dioxide in the past in liquid carbon dioxide storage tank will be transported in hydrolysis kettle, it is necessary to become gaseous state just by liquid simultaneously
It can be transported in hydrolysis kettle, then liquids in general carbon dioxide spontaneous vaporization under normal temperature state is transported in hydrolysis kettle again, but
It is so to need a large amount of vaporization times, causes production efficiency slack-off.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of cyanamide hydrolysis desolventizing system device, and design is simple, uses
It is convenient, it is safe and reliable, energy consumption is saved, cost is reduced, greatly improves yield.
In order to reach foregoing invention problem, the present invention proposes following technical scheme：
A kind of cyanamide hydrolyzes desolventizing system device, it include hydrolysis mechanism, thin film evaporator, storage tank, except water pot, vacuum
Pump, condenser, hydrolysis mechanism connect storage tank upper end, thin film evaporator lower end outlet connection storage tank upper end, film by pipeline
Water pot is removed in evaporator upper end by pipeline connection, except water pot upper end is by pipeline connection vavuum pump, except water pot and thin film evaporator
Between condenser is housed on pipeline, storage tank lower end is connected on thin film evaporator upper end, circulation line by circulation line and is equipped with
Delivery pump, storage tank lower end is equipped with product outlet pipe.
Described hydrolysis mechanism includes hydrolysis kettle, cooling pond, liquid carbon dioxide storage tank, and hydrolysis kettle is built with cooler pan
On pipe, inlet tube and outlet the connection cooling pond of cooling coil, cooling pond is built with heat exchange coil, liquid carbon dioxide
Outlet pipe is connected to the inlet tube of the heat exchange coil in cooling pond, and the outlet of heat exchange coil is connected on hydrolysis kettle
End；Described hydrolysis kettle upper end connects lime nitrogen feeding mechanism by pipeline, and hydrolysis kettle is built with rabbling mechanism, hydrolysis kettle upper end
Equipped with filling pipe, hydrolysis kettle upper end is equipped with carbon dioxide inlet pipe, and carbon dioxide inlet pipe is connected with the outlet of heat exchange coil；
Delivery pump is housed on the inlet tube of described cooling coil；Delivery pump is housed on described liquid carbon dioxide storage tank outlet.
Described thin film evaporator includes housing, motor, rabbling mechanism, and housing is built with rabbling mechanism, on rabbling mechanism
End connection motor, motor, which is mounted on housing upper end, housing, is designed with interlayer, hull outside connection steam inlet pipe and steam (vapor) outlet
Pipe, steam import and export pipe is connected with interlayer.
It is described except water pot lower end is equipped with drainpipe, stretch into except inside water pot except the pipeline that water pot upper end connects condenser and
The mouth of pipe is from tank bottom 10-20cm, except water pot upper end connects the entrance point of vavuum pump by pipeline.
It is an advantage of the invention that design is simple, and it is easy to use, it is safe and reliable, energy consumption is saved, cost is reduced, greatly improves production
Amount, every group of equipment is probably four times of conventional equipment yield；By liquid carbon dioxide gasification heat absorption in cooling pond from heat
Amount is taken away, so as to cool down the coolant in cooling pond, saves energy consumption, accelerates carbon dioxide gasification, reduces cost, significantly
Accelerate hydrolysis kettle reaction efficiency；Storage tank and thin film evaporator make cyanamide intermediate products circulate precipitation, precipitation by delivery pump
Effect is protruded, safe and reliable.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the hydrolysis structural scheme of mechanism of the present invention.
Embodiment
Referring to the drawings 1, a kind of cyanamide hydrolyzes desolventizing system device, and it includes hydrolysis mechanism 1, thin film evaporator 2, storage tank
3rd, except water pot 4, vavuum pump 5, condenser 6, hydrolysis mechanism 1 connects the upper end of storage tank 3, the outlet of the lower end of thin film evaporator 2 by pipeline
Water pot 4 is removed in pipe connection storage tank 3 upper end, the upper end of thin film evaporator 2 by pipeline connection, except the upper end of water pot 4 is connected very by pipeline
Empty pump 5, except condenser 6 is equipped between water pot 4 and thin film evaporator 2 on pipeline, the lower end of storage tank 3 is connected to thin by circulation line
Delivery pump 7 is housed, the lower end of storage tank 3 is equipped with product outlet pipe 8 on the upper end of film evaporator 2, circulation line.
Described hydrolysis mechanism 1 is included in hydrolysis kettle 11, cooling pond 12, liquid carbon dioxide storage tank 13, hydrolysis kettle 11
Equipped with cooling coil 14, on inlet tube and outlet the connection cooling pond 12 of cooling coil 14, cooling pond 12 is built with changing
Hot coil 15, the outlet of liquid carbon dioxide storage tank 13 is connected to the inlet tube of the heat exchange coil 15 in cooling pond 12, heat exchange
The outlet of coil pipe 15 is connected to the upper end of hydrolysis kettle 11.The described upper end of hydrolysis kettle 11 connects lime nitrogen feeding mechanism by pipeline
16, hydrolysis kettle 11 is built with rabbling mechanism, and the upper end of hydrolysis kettle 11 is equipped with filling pipe, and the upper end of hydrolysis kettle 11 is equipped with carbon dioxide inlet
Pipe, carbon dioxide inlet pipe is connected with the outlet of heat exchange coil 15.Equipped with conveying on the inlet tube of described cooling coil 14
Pump 17.Delivery pump 18 is housed on the outlet of described liquid carbon dioxide storage tank 13.
Described thin film evaporator 2 include housing 21, motor 22, rabbling mechanism 23, housing 21 built with rabbling mechanism 23,
The upper end of rabbling mechanism 23 connects motor 22, and motor 22, which is mounted on the upper end of housing 21, housing 21, is designed with interlayer 24, the outside of housing 21
Steam inlet pipe 25 and steam outlet pipe 26 are connected, steam import and export pipe 25,26 is connected with interlayer 24.
The described lower end of water pot 4 of removing is equipped with drainpipe 41, except the pipeline that the upper end of water pot 4 connects condenser 6 is stretched into except water pot 4
The internal and mouth of pipe is from tank bottom 10-20cm, except the upper end of water pot 4 connects the entrance point of vavuum pump 5 by pipeline.Can except the water in water pot
With cycling and reutilization.
The present invention is in use, liquid carbon dioxide is carried out by conveying in the heat exchange coil in the cooling pond being pumped into
Gasification, gasification heat absorption, takes away the coolant heat in cooling pond, so that coolant is cooled, coolant is led to again after cooling
Cross conveying to be pumped into the cooling coil in hydrolysis kettle, so as to cool down hydrolysis kettle, the heat of hydrolysis kettle is taken away and conveyed again
Into cooling pond, heat is taken away by the carbon dioxide in heat exchange coil again, forms circulation, lime nitrogen feeding mechanism is lime
Nitrogen is transported in hydrolysis kettle, while the carbon dioxide after being gasified by heat exchange coil is also transported in hydrolysis kettle, at this moment by mending
Water pipe fills into water, starts motor, opens stirred tank and is stirred reaction, after the completion of reaction, obtained intermediate raw material is transported to
Next system, carries out Precipitation Reaction；6 intermediate solutions are typically entered during precipitation into storage tank, by delivery pump that solution is defeated
It is sent in thin film evaporator, opens vavuum pump to being vacuumized except water pot, except water pot negative pressure is vacuumized to thin film evaporator, film steams
Steam is passed through in hair device interlayer, the degrees centigrade of keeping temperature 45, intermediate solution passes through in the thin film evaporator in negative pressure
Heating evaporation moisture, moisture becomes vapor and enters condenser, and the solution entered after condensation in water removal tank, thin film evaporator passes through
Thin film evaporator is flowed into storage tank, delivery pump circulation continuous conveying intermediate solution, and general 5 hours or so, intermediate solution evaporation was surplus
Remaining 2.5 or so, become finished product, stop delivery pump, vavuum pump, steam heating is vented to storage tank, finished product is passed through storage tank
Lower end outlet discharging.
Claims (3)
1. a kind of cyanamide hydrolyzes desolventizing system device, it include hydrolysis mechanism, thin film evaporator, storage tank, except water pot, vacuum
Pump, condenser, it is characterized in that hydrolysis mechanism is connected on storage tank upper end, thin film evaporator lower end outlet connection storage tank by pipeline
Water pot is removed in end, thin film evaporator upper end by pipeline connection, except water pot upper end is by pipeline connection vavuum pump, except water pot and film
Condenser is housed, storage tank lower end is connected to thin film evaporator upper end, circulation line by circulation line between evaporator on pipeline
Upper that delivery pump is housed, storage tank lower end is equipped with product outlet pipe；Described hydrolysis mechanism includes hydrolysis kettle, cooling pond, liquid two
Carbonoxide storage tank, hydrolysis kettle is connected on cooling pond built with cooling coil, the inlet tube and outlet of cooling coil, cooling water
Pond is connected to the inlet tube of the heat exchange coil in cooling pond, changed built with heat exchange coil, liquid carbon dioxide storage tank outlet
The outlet of hot coil is connected to hydrolysis kettle upper end；Described hydrolysis kettle upper end connects lime nitrogen feeding mechanism, water by pipeline
Kettle is solved built with rabbling mechanism, hydrolysis kettle upper end is equipped with filling pipe, hydrolysis kettle upper end is equipped with carbon dioxide inlet pipe, carbon dioxide
Inlet tube is connected with the outlet of heat exchange coil；Delivery pump is housed on the inlet tube of described cooling coil；Described liquid two
Delivery pump is housed on carbonoxide outlet pipe.
2. a kind of cyanamide hydrolysis desolventizing system device according to claim 1, it is characterized in that described thin film evaporator
Including housing, motor, rabbling mechanism, housing is mounted on housing built with rabbling mechanism, rabbling mechanism upper end connection motor, motor
Interlayer, hull outside connection steam inlet pipe and steam outlet pipe, steam import and export pipe and interlayer phase are designed with end, housing
UNICOM.
3. a kind of cyanamide hydrolysis desolventizing system device according to claim 1, it is characterized in that described removes water pot lower end
Equipped with drainpipe, except the pipeline that water pot upper end connects condenser is stretched into except inside water pot and the mouth of pipe is from tank bottom 10-20cm, except water pot
Upper end connects the entrance point of vavuum pump by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510804718.0A CN105597646B (en) | 2015-11-20 | 2015-11-20 | Cyanamide hydrolyzes desolventizing system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510804718.0A CN105597646B (en) | 2015-11-20 | 2015-11-20 | Cyanamide hydrolyzes desolventizing system device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105597646A CN105597646A (en) | 2016-05-25 |
| CN105597646B true CN105597646B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510804718.0A Expired - Fee Related CN105597646B (en) | 2015-11-20 | 2015-11-20 | Cyanamide hydrolyzes desolventizing system device |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1583698A (en) * | 1968-02-20 | 1969-11-28 | ||
| CN100537421C (en) * | 2006-08-08 | 2009-09-09 | 芮海平 | Method of preparing cyanamide aqueous solution and dicyandiamide and coproducing carbon and calcium carbonate by calcium cyanamide |
| CN201755493U (en) * | 2010-07-09 | 2011-03-09 | 上海海鹰粘接科技有限公司 | Circulation cooling system for reaction kettle |
| CN203507558U (en) * | 2013-08-21 | 2014-04-02 | 山东金地食品有限公司 | Scraper type spherical thick slurry concentration tank |
| CN203678385U (en) * | 2014-01-02 | 2014-07-02 | 贵州瑞帝斯建材有限公司 | Polycarboxylate superplasticizer production system |
| CN203677967U (en) * | 2014-02-26 | 2014-07-02 | 成都华高生物制品有限公司 | Single-effect falling film concentrator |
| CN205199501U (en) * | 2015-11-20 | 2016-05-04 | 如皋市中如化工有限公司 | Single cyandiamide exsolution system device of hydrolysising |
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2015
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