CN207738464U - One kind removing crystallization from wash type ammonia condensing cooling device - Google Patents
One kind removing crystallization from wash type ammonia condensing cooling device Download PDFInfo
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- CN207738464U CN207738464U CN201721802621.7U CN201721802621U CN207738464U CN 207738464 U CN207738464 U CN 207738464U CN 201721802621 U CN201721802621 U CN 201721802621U CN 207738464 U CN207738464 U CN 207738464U
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- exchanger tube
- ammonia
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Abstract
The utility model one kind removing crystallization from wash type ammonia condensing cooling device, including several units, stand-by pump, cyclic ammonia water pipe, cooling water heat exchanging pipe between unit is interconnected, it is interconnected between the shell of unit, the unit of the import connection least significant end of stand-by pump, the outlet of stand-by pump connects the spray line of first unit in upper end by cyclic ammonia water pipe.Ammonia condensation ammonification water state may be implemented in the utility model, while removing the ammonium salt crystallization object being attached on heat exchanger tube from flushing heat exchanging pipe using the ammonium hydroxide of condensation, and the ammonium hydroxide of condensation can recycle.The present apparatus have many advantages, such as condensation efficiency is high, ammonium hydroxide from rinse, recycle, stable operation, to be not required to shut-down (breakdown) mainteance, installation and adjustment convenient.
Description
Technical field
The utility model is related to chemical technology fields, more particularly to a kind of remove to crystallize from wash type ammonia condensing cooling device.
Background technology
In coking industry, raw coke oven gas contains more gaseous impurities, and wherein ammonia level is more, while can also contain sulphur
Raw coke oven gas will be washed, the waste liquid after washing in raw coke oven gas purification run process by changing the foreign gases such as hydrogen, hydrogen cyanide
In contain a large amount of ammonia and ammonium salt solution, after being detached by ammonia still process, ammonia steam will carry out the condensation that effectively cools down, and obtain high
The ammonium hydroxide of purity.
Utility model content
The purpose of this utility model is to provide a kind of remove and crystallizes from wash type ammonia condensing cooling device, and it is cold that ammonia may be implemented
Ammonium hydroxide state is congealed into, while the ammonium salt crystallization object being attached on heat exchanger tube is removed from flushing heat exchanging pipe using the ammonium hydroxide of condensation, it is cold
Solidifying ammonium hydroxide can recycle.
In order to achieve the above object, the utility model is realized using following technical scheme：
One kind removing crystallization from wash type ammonia condensing cooling device, including several units, stand-by pump, cyclic ammonia water
Pipe, the cooling water heat exchanging pipe between unit are interconnected, are interconnected between the shell of unit, stand-by pump into
The unit of mouth connection least significant end, the outlet of stand-by pump connect the sprinkling of first unit in upper end by cyclic ammonia water pipe
Pipe.
In the unit, liquid point is both provided with from several units of second unit down
Cloth disk.
The liquid-distributing disk by four blocks of side plates and bottom distribution grid combine it is closed surround, four pieces of a height of 20mm of side plate~
200mm, bottom distribution grid are uniformly arranged several spray holes.
In the unit, baffling gear is both provided with from several units of third unit down
Plate.
The hydraulic barrier is provided with concave indentation, the circular hole passed through for heat exchanger tube, unilateral arcuate indentation.
The unit is 4, and the outer diameter of cooling water heat exchanging pipe is sequentially reduced from top to bottom, upper end first
The heat exchanger tube outer diameter of a unit is Φ 57mm, and heat exchange tube center distance is >=72mm~100mm；Second unit
Heat exchanger tube outer diameter be Φ 38mm, heat exchange tube center distance be >=48mm~90mm；Outside the heat exchanger tube of third unit
Diameter size is Φ 25mm, and heat exchange tube center distance is >=44mm~70mm；The heat exchanger tube outer diameter of 4th unit is Φ
19mm, heat exchange tube center distance are >=25mm~60mm.
The downside of the spray line symmetrically arranges that the spray hole of several Φ 2mm~Φ 20mm, spray line setting exist
The top of the unit of the top.
Compared with prior art, the utility model has the beneficial effects that：
One kind may be implemented ammonia condensation ammonification water state, utilize simultaneously except crystallization is from wash type ammonia condensing cooling device
The ammonium hydroxide of condensation removes the ammonium salt crystallization object being attached on heat exchanger tube from flushing heat exchanging pipe, and the ammonium hydroxide of condensation can recycle.
With condensation efficiency, high, ammonium hydroxide is rinsed, is recycled, stable operation, being not required to shut-down (breakdown) mainteance certainly the present apparatus, installation and adjustment facilitate
Advantage.
The utility model is uniformly distributed backlash using condensation ammonium hydroxide and washes heat pipe, using equipment pressure balance principle, passes through
Ammonium hydroxide submerges dissolving crystallized ammonium salt；Intermittent or continuity utilizes the dynamic pressure potential energy of equipment, is rinsed and is crystallized by cyclic ammonia water
Ammonium salt, remove and be attached to ammonium salt crystallization on heat exchanger tube, realize and efficiently transmit thermal effect, obtain qualified ammonium hydroxide product.
Description of the drawings
Fig. 1 is that the utility model is a kind of except the schematic diagram crystallized from wash type ammonia condensing cooling device.
Fig. 2 is the schematic diagram of liquid stream distributing disc in the utility model.
Fig. 3 is the schematic diagram of hydraulic barrier in the utility model.
In figure：1- ammonia entrances；2- tube sheets；3- cooling water outlets；4- bobbin carriages；The unit of the upper ends 5- first, 6- point
Journey partition board；Second unit of 7-；8- third units；The 4th unit of 9-；The cooling water inlets 10-；11- ammonia
Water out；12- stand-by pumps；13- cyclic ammonia waters pipe, 14- hydraulic barriers, the unilateral side 14-1 arcuate indentation, 14-2 concave indentations, 14-3
Circular hole, 15- liquid-distributing disks, 15-1 side plates, the bottoms 15-2 distribution grid, 15-3 spray holes, 16- heat exchanger tubes, 17- shells, 18- sprays
Spill pipe.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
See Fig. 1, one kind is except crystallization is from wash type ammonia condensing cooling device, including several units, stand-by pump 12, follows
Ring ammonia water pipe 13, the cooling water heat exchanging pipe between unit are interconnected, are interconnected between the shell 17 of unit,
The unit of the import connection least significant end of stand-by pump 12, the outlet of stand-by pump 12 connects upper end first by cyclic ammonia water pipe 13
The spray line 18 of a unit 5.
In the unit, liquid is both provided with from several units of second unit 7 down
Distributing disc 15.
See Fig. 2, the liquid-distributing disk 15 by four pieces of side plate 15-1 and bottom distribution grid 15-2 combine it is closed surround, four
A height of 20mm~the 200mm of block side plate 15-1, bottom distribution grid 15-2 are uniformly arranged the spray hole of several Φ 1mm~Φ 20mm
15-3.The spacing range of spray hole 15-3 is 100mm~600mm.
In the unit, baffling is both provided with from several units of third unit 8 down
Baffle 14.
See Fig. 3, the hydraulic barrier 14 is provided with concave indentation 14-2, the circular hole 14-3 passed through for heat exchanger tube, unilateral side
Arcuate indentation 14-1.Concave indentation 14-2 is that liquid-distributing disk 15 is provided across channel, and unilateral arcuate indentation 14-1 is used for ammonia
Pass through with the baffling of ammonia water mixture.
The unit is 4, and the outer diameter of cooling water heat exchanging pipe is sequentially reduced from top to bottom, heat exchanger tube 16
Arrangement be connected to the bobbin carriage 4 of 6 both sides of pass partition across tube sheet 2.The heat exchanger tube 16 of first unit 4 in upper end
Outer diameter is Φ 57mm, and 16 centre-to-centre spacing of heat exchanger tube is >=72mm~100mm；16 outer diameter of heat exchanger tube of second unit 7
Size is Φ 38mm, and 16 centre-to-centre spacing of heat exchanger tube is >=48mm~90mm；16 outer diameter of heat exchanger tube of third unit 8 is
Φ 25mm, 16 centre-to-centre spacing of heat exchanger tube are >=44mm~70mm；16 outer diameter of heat exchanger tube of 4th unit 9 is Φ
19mm, 16 centre-to-centre spacing of heat exchanger tube are >=25mm~60mm.
The spray hole of several Φ 2mm~Φ 20mm, spray line setting are symmetrically arranged in the downside of the spray line 18
At the top of the unit of the top.
The utility model includes four units, stand-by pump 12 and cyclic ammonia water pipe 13；Wherein four units are equal
It is taken over including bobbin carriage 4, heat exchanger tube 16, pass partition 6, shell 17 and inlet and outlet, heat exchanger tube 16 is arranged in shell 17, in shell
17 one end is provided with bobbin carriage 4, and one end of heat exchanger tube 16 is stretched out in bobbin carriage 4, and bobbin carriage 4 is divided to for two parts by pass partition 6,
The bobbin carriage 4 of four units by inlet and outlet take over it is interconnected, 4 bottom of bobbin carriage of the 4th unit 9 be equipped with it is cold
But water inlet 10, in upper end, the upper end of the bobbin carriage 4 of first unit 5 is equipped with cooling water outlet 3.
The upper end of first unit 5 in upper end is equipped with ammonia entrance 1, and the lower end of the lowermost unit is equipped with ammonium hydroxide
Outlet 11.
Spray line 18 is arranged in 5 inside of the unit of upper end first, and liquid distribution is arranged in the inside of second unit 7
Disk 15, the internal setting hydraulic barrier 14 of third and fourth unit (8,9) and liquid-distributing disk 15.Ammonia flows successively from top to bottom
The shell side of the unit 7 of unit 5, second of upper end first, third unit 8 and the 4th unit 9 is crossed,
Condensed ammonia becomes ammonium hydroxide from 11 discharge of ammonium hydroxide outlet；Cooling water flows successively through the 4th unit 9, from bottom to top
Inside the bobbin carriage 4 and heat exchanger tube 16 of three units, 8, second units 7 and upper ends, first unit 5, by cold
But water out 3 flows out.The present apparatus is countercurrent flow and the complex heat transfer flow that cross-flow exchanges heat.
13 lower end of cyclic ammonia water pipe is connected to 17 bottom of shell of the 4th unit 9,13 upper end of cyclic ammonia water pipe with
The spray line 18 on 5 shell of unit, 17 top of upper end first is connected to, and cyclic ammonia water is in cyclic ammonia water pipe 13 by spare
12 pressurized delivereds are pumped, realize the spray line that the ammonia circulation of the 4th unit 9 is delivered to first unit 5 in upper end
18 spray out, and the cyclic ammonia water after sprinkling rinses 16 outer wall of heat exchanger tube of each unit from top to bottom.
Provided by the utility model a kind of except crystallization is from wash type ammonia condensing cooling device, the course of work is：Close to saturation
Ammonia steam is entered by ammonia entrance 1 in the shell 17 of first unit 5 in upper end of ammonia condensing cooling device, and Uniform Flow is worn
Cross the shell side heat exchanger tube of spray line 18 and the unit 5 of upper end first, spray line 18 can intermittently or serially spray temperature it is low
Cyclic ammonia water has cooling water Uniform Flow inside the heat exchanger tube 16 of first unit 5 in upper end, and therefore, ammonia steam is recycling
Under the cooling effect of ammonium hydroxide and heat exchanger tube 16, the rapid condensation ammonium hydroxide in part is converged with cyclic ammonia water, in 16 outer wall of heat exchanger tube
The heat exchanger tube 16 of lower layer is successively dripped to, from the part of appliance rinsed in the unit 5 of upper end first.Ammonium hydroxide after convergence continues
It is downwardly towards 17 import of shell of second unit 7, liquid-distributing disk is arranged in second 7 shell of unit, 17 top
15, for being uniformly distributed the ammonium hydroxide flow down from the unit 5 of upper end first, the ammonium hydroxide after distribution continues drop to second list
Heat exchanger tube 16 inside 7 shell 17 of element device, due to the cooling of the 16 internal flow cooling water of heat exchanger tube of second unit 7
Effect, the material that the unit 5 of upper end first transports are to separate beginning condensation, ammonia in the middle part of ammonia and the mixture of ammonium hydroxide
Condensation is slower, is attached to drop on heat exchanger tube 16 and is easy to form the ammonium salt of high concentration, and then generate crystallization, through liquid-distributing disk 15
The heat exchanger tube 16 that the liquid to get off washes away in second 7 shell 17 of unit is flowed after distribution, is set from second unit is rinsed
Part of appliance in standby 7.Ammonium hydroxide and uncooled ammonia in second unit 7 continue after the collection of ammonium hydroxide outlet
The inlet tube for flowing to third unit 8, it is uniform again by the liquid-distributing disk 15 in 8 shell 17 of third unit
It is distributed ammonium hydroxide, while under the cooling effect of heat exchanger tube 16, realizing the further condensation of ammonia, since gas condensation becomes liquid
Volume reduces afterwards, and hydraulic barrier 14 is arranged in 8 shell 17 of third unit, not cold across 16 outside of heat exchanger tube for improving
What the flow velocity of solidifying ammonia, augmentation of heat transfer, while hydraulic barrier 14 were provided with liquid-distributing disk 15 passes through channel --- concave indentation
The arcuate indentation 14-1 across circular hole 14-3 and baffling of 14-2, heat exchanger tube 16, for realizing 8 shell of third unit
Ammonia condensation in 17, since the baffling of hydraulic barrier 14 acts on, third unit 8 is that a central inlet flows into, two
Side outlet flows out, and flows to the 9 ammonia entrance of unit of lower part the 4th, in the 4th 9 shell 17 of unit, ammonium hydroxide is in liquid
Body distributing disc 15 is uniformly distributed under acting on, from the crystal of 16 outer wall of flushing heat exchanging pipe, condensation of the ammonia in heat exchanger tube 16
Lower coagulating liq, hydraulic barrier 14 strengthen ammonia flowing, improve heat-transfer effect, and the final condensation cooling procedure for realizing ammonia obtains
Obtain qualified ammonium hydroxide product.
The cooling aqueous medium used of the utility model, from the cooling water inlet 10 of the 4th unit 9 in lower part
It into device, countercurrently flows up, passes through 4 times journeys of the 4th 9 bobbin carriage of unit, the 4th 9 heat exchanger tube of unit successively
16, journey on the 4th 9 bobbin carriage 4 of unit, 8 bobbin carriage of third unit, 4 times journeys, 8 heat exchanger tube 16 of third unit,
Journey, second 7 bobbin carriage of unit, 4 times journeys, second 7 heat exchanger tube 16 of unit, on 8 bobbin carriage 4 of third unit
Journey, upper end first 5 bobbin carriage of unit, 4 times journeys, 5 heat exchanger tube of unit of upper end first on two 7 bobbin carriages 4 of unit
16 and 5 bobbin carriage 4 of the unit of upper end first on journey, be discharged by cooling water outlet 3, realize and the reversed flow condensation of ammonia is cooled down.
Simultaneously as there are the phase-state changes that gas phase becomes liquid phase, volume to reduce in condensation process for ammonia, thus it is gradual using size
The heat exchanger tube and tube spacing to become smaller is used for augmentation of heat transfer lifting device performance.
To improve equipment performance, the utility model can close the ammonium hydroxide discharge of ammonium hydroxide outlet 11, the shell of four units
Ammonia in body 17 persistently condenses, and liquid level gradually rises ammonium hydroxide from bottom to top in the shell 17 of four units, attachment knot
The brilliant completion of heat exchanger tube 16 is immersed in ammonium hydroxide, and except the ammonium salt to decrystallize, realization device rinses certainly for dissolving, after flushed, ammonia
Water is discharged by outlet.The present apparatus can be passed through the ammonium hydroxide of the 4th unit 9 using stand-by pump 12 with intermittent or continuity
Cyclic ammonia water pipe 13 is delivered to progress ammonium hydroxide sprinkling in the spray line 18 of first unit 5 in upper end and rinses, strengthens from flushing
Except crystallization effect.
Described above is only the basic principle of the utility model, is not imposed any restrictions to the utility model, every foundation
The utility model carries out it equivalent variations modification and modifies to its shape, the scope in the art of this patent protection scheme
Within.
Claims (7)
1. one kind is except crystallization is from wash type ammonia condensing cooling device, which is characterized in that including several units, stand-by pump,
Cyclic ammonia water pipe, the cooling water heat exchanging pipe between unit is interconnected, is interconnected between the shell of unit, standby
The unit of least significant end is connected with the import of pump, the outlet of stand-by pump connects the unit of the top by cyclic ammonia water pipe
Spray line.
2. a kind of remove according to claim 1 crystallizes from wash type ammonia condensing cooling device, which is characterized in that the list
In element device, liquid-distributing disk is both provided with from several units of second unit down.
3. a kind of remove according to claim 2 crystallizes from wash type ammonia condensing cooling device, which is characterized in that the liquid
Body distributing disc by four blocks of side plates and bottom distribution grid combine it is closed surround, four pieces of a height of 20mm~200mm of side plate, bottom distribution grid
It is uniformly arranged several spray holes.
4. a kind of remove according to claim 1 or 2 crystallizes from wash type ammonia condensing cooling device, which is characterized in that described
Unit in, be both provided with hydraulic barrier from several units of third unit down.
5. a kind of remove according to claim 4 crystallizes from wash type ammonia condensing cooling device, which is characterized in that the folding
Stream baffle plate setting has concave indentation, the circular hole passed through for heat exchanger tube, unilateral arcuate indentation.
6. a kind of remove according to claim 1 crystallizes from wash type ammonia condensing cooling device, which is characterized in that the list
Element device is 4, and the outer diameter of cooling water heat exchanging pipe is sequentially reduced from top to bottom, the heat exchange of first unit in upper end
Pipe outside diameter size is Φ 57mm, and heat exchange tube center distance is >=72mm~100mm；The heat exchanger tube outer diameter of second unit
For Φ 38mm, heat exchange tube center distance is >=48mm~90mm；The heat exchanger tube outer diameter of third unit is Φ 25mm, is changed
Heat pipe centre-to-centre spacing is >=44mm~70mm；The heat exchanger tube outer diameter of 4th unit is Φ 19mm, and exchange heat tube center distance
For >=25mm~60mm.
7. a kind of remove according to claim 1 crystallizes from wash type ammonia condensing cooling device, which is characterized in that the sprinkling
The downside of pipe symmetrically arranges that the unit in the top is arranged in the spray hole of several Φ 2mm~Φ 20mm, spray line
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802621.7U CN207738464U (en) | 2017-12-21 | 2017-12-21 | One kind removing crystallization from wash type ammonia condensing cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802621.7U CN207738464U (en) | 2017-12-21 | 2017-12-21 | One kind removing crystallization from wash type ammonia condensing cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207738464U true CN207738464U (en) | 2018-08-17 |
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ID=63118907
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721802621.7U Active CN207738464U (en) | 2017-12-21 | 2017-12-21 | One kind removing crystallization from wash type ammonia condensing cooling device |
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| Country | Link |
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| CN (1) | CN207738464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934987A (en) * | 2017-12-21 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | One kind removes crystallization from wash type ammonia condensing cooling device |
-
2017
- 2017-12-21 CN CN201721802621.7U patent/CN207738464U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934987A (en) * | 2017-12-21 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | One kind removes crystallization from wash type ammonia condensing cooling device |
| CN107934987B (en) * | 2017-12-21 | 2024-05-14 | 中冶焦耐(大连)工程技术有限公司 | Remove crystallization from washing formula ammonia condensation cooling device |
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