CN208852456U - A kind of solution wind-cooling crystallization device - Google Patents
A kind of solution wind-cooling crystallization device Download PDFInfo
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- CN208852456U CN208852456U CN201821506823.1U CN201821506823U CN208852456U CN 208852456 U CN208852456 U CN 208852456U CN 201821506823 U CN201821506823 U CN 201821506823U CN 208852456 U CN208852456 U CN 208852456U
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Abstract
The utility model discloses a kind of solution wind-cooling crystallization devices, comprising: anti-corrosion cooling tower, cooling blower, Sprayer Circulation pump, filter pump and liquid-solid separation device；The corruption cooling tower includes closed cooling tower tower body, cooling tower circulating slot, air inlet, gas outlet, liquid distributor and rapid layers of balls；Gas outlet is set at the top of tower body, and is connected to air cleaning unit；Liquid distributor and rapid layers of balls are set to inside tower body from top to bottom；Cooling tower circulating slot is set to tower body bottom；Air inlet is set on the tower body between rapid layers of balls and cooling tower circulating slot；Cooling blower is connected to air inlet；The import of Sprayer Circulation pump is connected to cooling tower circulating slot, and its outlet is connected to liquid distributor；The import of filter pump is connected to cooling tower circulating slot, and its outlet is connected to liquid-solid separation device.The utility model can cool down solution under closed environment, especially suitable for it is toxic, have corrosion or have volatile solution, and operating cost is cheap, can be improved the safety and the feature of environmental protection of production run.
Description
Technical field
The utility model relates to solution cooling crystallization technology field more particularly to a kind of solution wind-cooling crystallization devices.
Background technique
Solution is during cooling, since with solution temperature to reduce its solubility also corresponding for solutes some in original solution
It reduces, therefore solution has solid precipitation, bond on snakelike heat exchange coil, cause to exchange heat in heat exchange temperature-fall period
Efficiency constantly reduces, thus cannot be cooled down using dividing wall type heat exchanger and heat regenerator to solution.
Currently, can only be cooled down using direct-contact heat exchanger to solution, but directly connect in the prior art
The cooling tower of touch heat exchanger is mostly open type induced-draught cooling tower, this is for general nontoxic, corrosion-free, non-volatility solution
Compare it is applicable, and when solution has toxicity, volatility or when corrosivity, is carried out using this open type induced-draught cooling tower cooled
Leakage and the sputtering phenomenon of solution can occur for journey, seriously endanger environment.
Summary of the invention
Bonding heat exchanger and existing direct-contact heat exchanger are crystallized not to solve solution during cooling
Suitable for technical problems such as toxicity, volatility or corrosive solution, the utility model provides a kind of air-cooled knot of solution
Brilliant device can be realized and cool down under closed environment to solution, especially suitable for it is toxic, have corrosion or have a volatility
The crystallisation by cooling of solution, and operating cost is cheap, can be improved the safety and the feature of environmental protection of production run.
The purpose of this utility model is achieved through the following technical solutions:
A kind of solution wind-cooling crystallization device, is connected to air cleaning unit, comprising: anti-corrosion cooling tower, cooling blower, spray
Circulating pump, filter pump and liquid-solid separation device；The anti-corrosion cooling tower include closed cooling tower tower body, cooling tower circulating slot, into
Port, gas outlet, liquid distributor and rapid layers of balls；Gas outlet is set to the top of closed cooling tower tower body, and and air cleaning unit
Connection；Liquid distributor and rapid layers of balls are sequentially arranged in the inside of closed cooling tower tower body from top to bottom；Cooling tower circulating slot is set to closed
The bottom of cooling tower tower body；Air inlet is set on the closed cooling tower tower body between rapid layers of balls and cooling tower circulating slot；It is described cold
But blower is connected to the air inlet, and blasts air to the air inlet；The import and the cooling of the Sprayer Circulation pump
The connection of tower circulating slot, and the outlet of Sprayer Circulation pump is connected to the liquid distributor；The import of the filter pump with it is described cold
But tower circulating slot is connected to, and the outlet of the filter pump is connected to the liquid-solid separation device.
Preferably, the cooling blower blasts wind pressure >=2000Pa.
Preferably, the cooling blower uses at least one of axial flow blower, centrifugal blower.
Preferably, the liquid-solid separation device uses at least one of filter press, centrifuge, vacuum suction filter disk.
Preferably, the material of the anti-corrosion cooling tower uses at least one of PP, glass reinforced plastic, stainless steel.
Preferably, it is connected to inside the liquid outlet of the liquid-solid separation device and closed cooling tower body.
The solution wind-cooling crystallization provided by the utility model it can be seen from above-mentioned technical solution provided by the utility model
In device, solution to be cooled can be delivered to liquid distributor from cooling tower circulating slot by Sprayer Circulation pump, and from liquid distributor to closed
Spray in cooling tower body, and cooling blower by be set to the air inlet below rapid layers of balls blasted into closed cooling tower body it is cold
Air, rapid layers of balls is located at below liquid distributor, thus gas-liquid counter current direct contact heat transfer in closed cooling tower body, and rapid layers of balls energy
Enough strengthen gas-liquid heat exchange efficiency；Solution enters cooling tower circulating slot after cooling, and is pumped into liquid-solid separation device by filtering and obtains
To crystalline product；The portion filtrate that liquid-solid separation device is isolated can open a way back in closed cooling tower body, after heat exchange
Air can be sent into air cleaning unit and carry out tail gas absorption purification, so as to avoid environmental pollution.The utility model can
Realization cools down solution under closed environment, especially suitable for it is toxic, have corrosion or have the cooling of volatile solvent soln
Crystallization, and operating cost is cheap, can be improved the safety and the feature of environmental protection of production run.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 provides the structural schematic diagram of solution wind-cooling crystallization device for the utility model embodiment.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the protection scope of the utility model.
Solution wind-cooling crystallization device provided by the utility model is described in detail below.The utility model embodiment
In the content that is not described in detail belong to the prior art well known to professional and technical personnel in the field.
Embodiment 1
As shown in Figure 1, a kind of solution wind-cooling crystallization device, is connected to air cleaning unit, structure may include: anti-corrosion
Cooling tower 1, cooling blower 2, Sprayer Circulation pump 3, filter pump 4 and liquid-solid separation device 5.The anti-corrosion cooling tower 1 includes closed
Cooling tower tower body 1.1, cooling tower circulating slot 1.2, air inlet 1.3, gas outlet 1.4, liquid distributor 1.5 and rapid layers of balls 1.6.Gas outlet
1.4 are set to the top of closed cooling tower tower body 1.1, and are connected to air cleaning unit, purify for tail gas absorption.Liquid distributor
1.5 are set to the inside of closed cooling tower tower body 1.1 with rapid layers of balls 1.6 from top to bottom.Cooling tower circulating slot 1.2 is set to closed cooling
The bottom of tower tower body 1.1.Air inlet 1.3 is set to the closed cooling tower tower body between rapid layers of balls 1.6 and cooling tower circulating slot 1.2
On 1.1；The cooling blower 2 is connected to the air inlet 1.3, and blasts cold air to the air inlet 1.3, for to cold
But solution exchanges heat.The import of the Sprayer Circulation pump 3 is connected to the cooling tower circulating slot 1.2, and Sprayer Circulation pump 3
Outlet is connected to the liquid distributor 1.5, for solution to be cooled to be delivered to closed cooling tower from the cooling tower circulating slot 1.2
Liquid distributor 1.5 in tower body 1.1.The import of the filter pump 4 is connected to the cooling tower circulating slot 1.2, and the filter pump 4
Outlet be connected to the liquid-solid separation device 5, be sent into the liquid-solid separation device 5 for solution after cooling down and obtain crystallization and produce
Product.
Wherein, each component of the solution wind-cooling crystallization device may include following embodiments:
(1) the closed cooling tower tower body 1.1 of the anti-corrosion cooling tower 1 is closed structure, in addition to cooling blower 2, spray
Outside the opening that leaching circulating pump 3, filter pump 4 be connected tos with liquid-solid separation device 5, on cooling tower tower body 1.1 only gas outlet 1.4 be with
The opening being connected to outside tower body, and the gas outlet 1.4 is connected to air cleaning unit, can carry out absorbing to tail gas net
Change, therefore solution will not be leaked or is splashed to outside tower body, that is, realized and cooled down under closed environment to solution, have
Effect avoids and endangers environment, thus the solution wind-cooling crystallization device especially suitable for it is toxic, have corrosion or have volatile solvent soln
Crystallisation by cooling.
(2) material of the anti-corrosion cooling tower 1 can use at least one of PP, glass reinforced plastic, stainless steel.
(3) the solution wind-cooling crystallization device blasts cold air, and benefit into closed cooling tower tower body 1 using cooling blower 2
With these cold airs and solution to be cooled until contact heat-exchanging carries out cooling knot.The cooling blower 2 can use the air blast of axis stream
At least one of machine, centrifugal blower, and the cooling blower 2 blasts wind pressure >=2000Pa, and can according to it is subsequent with
The air cleaning unit that gas outlet 1.4 is connected to adjusts accordingly.
(4) liquid distributor 1.5 is preferably provided in the top inside closed cooling tower tower body 1.1, and the lower section of liquid distributor 1.5 can be set
Set one or more rapid layers of balls 1.6, and air inlet 1.3 be preferably provided in nethermost rapid layers of balls 1.6 and cooling tower circulating slot 1.2 it
Between, so that the solution to be cooled that liquid distributor 1.5 is sprayed into closed cooling tower tower body 1.1 can move downward, cooling blower 2 passes through
The cold air that air inlet 1.3 blasts in closed cooling tower tower body 1 can move upwards, these cold airs are with solution to be cooled until connecing
Touching heat exchange, and when solution to be cooled is by rapid layers of balls 1.6, rapid layers of balls 1.6 can strengthen gas-liquid heat exchange efficiency.
(5) liquid outlet of the liquid-solid separation device (5) can be connected to closed cooling tower tower body (1.1) inside, thus
The portion filtrate that liquid-solid separation device 5 is isolated can open a way back in closed cooling tower tower body 1.1, and it is straight to continue gas-liquid
Connect the process flow of contact heat-exchanging.The liquid-solid separation device 5 can using filter press, centrifuge, in vacuum suction filter disk extremely
Few one kind.
Specifically, the working principle of solution wind-cooling crystallization device provided by the utility model are as follows: solution to be cooled is sent into
In cooling tower circulating slot 1.2, liquid distributor 1.5 is then delivered to by Sprayer Circulation pump 3, and from liquid distributor 1.5 to closed cooling
It is sprayed in tower tower body 1.1, and cooling blower 2 is by being set to the air inlet 1.3 below rapid layers of balls 1.6 to closed cooling tower tower body
Cold air is blasted in 1.1, rapid layers of balls 1.6 is located at 1.5 lower section of liquid distributor, so that gas-liquid counter current is straight in closed cooling tower tower body 1.1
Contact heat-exchanging is connect, and rapid layers of balls 1.6 can strengthen gas-liquid heat exchange efficiency；Solution enters cooling tower circulating slot 1.2 after cooling, and leads to
It crosses the feeding liquid-solid separation device 5 of filter pump 4 and obtains crystalline product；The portion filtrate that liquid-solid separation device 5 is isolated can open a way
Back in closed cooling tower tower body 1.1, air can be sent into air cleaning unit and carry out tail gas absorption purification after heat exchange, thus
It can be to avoid environmental pollution.
Application example 1
In the chlorinated gold extracting smeltery of Hunan, chloride containing lead 13.2g/L in flue gas spray washing liquid, and the flue gas sprays
The temperature of cleaning solution is 65 DEG C, need to be cooled down, since 25 DEG C of Chlorine in Solution lead contents are only 1.0g/L or so,
The flue gas spray washing liquid cooling procedure has lead chloride precipitation.
The flue gas spray washing liquid is carried out using solution wind-cooling crystallization device provided by the utility model embodiment 1 cold
But cool down, the feed liquor temperature of the flue gas spray washing liquid is 65 DEG C, is blasted using axial flow blower into closed cooling tower tower body 1
Cold air, air temperature are 26 DEG C；Flue gas spray washing liquid and cold air carry out gas-liquid counter current direct contact heat transfer in tower,
Solution temperature is 32 DEG C after cooling；Then solution is pumped to filter press by filters pressing and carries out filters pressing, lead chloride in filtrate after cooling down
Content is down to 1.5g/L, returns to reuse in closed cooling tower tower body 1；Due to air containing hydrogen chloride after heat exchange, it is sent into tail gas absorption
Tower spray washing, standard discharge after purification.
Application example 2
Xinjiang roasts in smeltery, chloride containing lead 10.5g/L in flue gas spray washing liquid, and the flue gas spray washing
The temperature of liquid is 55 DEG C, need to be cooled down, since 25 DEG C of Chlorine in Solution lead contents are only 1.0g/L or so, the cigarette
Gas spray washing liquid cooling procedure has lead chloride precipitation.
The flue gas spray washing liquid is carried out using solution wind-cooling crystallization device provided by the utility model embodiment 1 cold
But cool down, the feed liquor temperature of the flue gas spray washing liquid is 55 DEG C, is blasted using centrifugal blower into closed cooling tower tower body 1 cold
Air, air temperature are 20 DEG C；Flue gas spray washing liquid and cold air carry out gas-liquid counter current direct contact heat transfer in tower body,
Solution temperature is 26 DEG C after cooling；Then solution is pumped to centrifuge by filters pressing and carries out solid-liquor separation, chlorine in filtrate after cooling down
Change lead content and be down to 1.1g/L, returns to reuse in closed cooling tower tower body 1；Due to air containing hydrogen chloride after heat exchange, it is sent into tail gas
Absorption tower spray washing, standard discharge after purification.
To sum up, the utility model embodiment, which can be realized, cools down solution under closed environment, especially
Suitable for it is toxic, have corrosion or have the crystallisation by cooling of volatile solvent soln, and operating cost is cheap, can be improved production run
Safety and the feature of environmental protection.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
Subject to the scope of protection of the claims.
Claims (6)
1. a kind of solution wind-cooling crystallization device, is connected to air cleaning unit characterized by comprising anti-corrosion cooling tower (1),
Cooling blower (2), Sprayer Circulation pump (3), filter pump (4) and liquid-solid separation device (5)；
The anti-corrosion cooling tower (1) includes closed cooling tower tower body (1.1), cooling tower circulating slot (1.2), air inlet (1.3), goes out
Port (1.4), liquid distributor (1.5) and rapid layers of balls (1.6)；Gas outlet (1.4) is set to the top of closed cooling tower tower body (1.1),
And it is connected to air cleaning unit；Liquid distributor (1.5) and rapid layers of balls (1.6) are sequentially arranged in closed cooling tower tower body from top to bottom
(1.1) inside；Cooling tower circulating slot (1.2) is set to the bottom of closed cooling tower tower body (1.1)；Air inlet (1.3) is set to rapids
On closed cooling tower tower body (1.1) between layers of balls (1.6) and cooling tower circulating slot (1.2)；
The cooling blower (2) is connected to the air inlet (1.3), and blasts air to the air inlet (1.3)；
The import of the Sprayer Circulation pump (3) is connected to the cooling tower circulating slot (1.2), and Sprayer Circulation pump (3)
Outlet is connected to the liquid distributor (1.5)；
The import of the filter pump (4) is connected to the cooling tower circulating slot (1.2), and outlet and the institute of the filter pump (4)
State liquid-solid separation device (5) connection.
2. solution wind-cooling crystallization device according to claim 1, which is characterized in that the cooling blower (2) blasts wind
Pressure >=2000Pa.
3. solution wind-cooling crystallization device according to claim 1 or 2, which is characterized in that the cooling blower (2) uses axis
Flow at least one of air blower, centrifugal blower.
4. solution wind-cooling crystallization device according to claim 1 or 2, which is characterized in that the liquid-solid separation device (5) is adopted
With at least one of filter press, centrifuge, vacuum suction filter disk.
5. solution wind-cooling crystallization device according to claim 1 or 2, which is characterized in that the material of the anti-corrosion cooling tower (1)
Matter uses at least one of PP, glass reinforced plastic, stainless steel.
6. solution wind-cooling crystallization device according to claim 1 or 2, which is characterized in that the liquid-solid separation device (5)
It is connected to inside liquid outlet and closed cooling tower tower body (1.1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506823.1U CN208852456U (en) | 2018-09-14 | 2018-09-14 | A kind of solution wind-cooling crystallization device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821506823.1U CN208852456U (en) | 2018-09-14 | 2018-09-14 | A kind of solution wind-cooling crystallization device |
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| CN208852456U true CN208852456U (en) | 2019-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847490A (en) * | 2020-06-23 | 2020-10-30 | 浙江威明环境科技有限公司 | High-temperature salt slurry crystallization salting-out treatment system and process |
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2018
- 2018-09-14 CN CN201821506823.1U patent/CN208852456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847490A (en) * | 2020-06-23 | 2020-10-30 | 浙江威明环境科技有限公司 | High-temperature salt slurry crystallization salting-out treatment system and process |
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