CN112678905A - Salt-containing water recovery processing device - Google Patents
Salt-containing water recovery processing device Download PDFInfo
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- CN112678905A CN112678905A CN201910990041.2A CN201910990041A CN112678905A CN 112678905 A CN112678905 A CN 112678905A CN 201910990041 A CN201910990041 A CN 201910990041A CN 112678905 A CN112678905 A CN 112678905A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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Abstract
The invention discloses a saline water recovery processing device, relates to the technical field of wastewater recovery, and is used for solving the problems of large occupied area and high energy consumption of the saline water recovery processing device in the prior art. The invention relates to a saline water recovery processing device, which comprises a water inlet pipe, a processing tank and a recovery tank, wherein one end of the water inlet pipe is inserted into the processing tank, the processing tank is provided with an overflow hole and a discharge hole, the position of the overflow hole is higher than that of the discharge hole, the outer wall of the processing tank is covered with an absorption layer, the absorption layer is used for absorbing saline water overflowing from the overflow hole, the recovery tank is positioned below the absorption layer, and the saline water recovery processing device also comprises a circulating pump which is respectively communicated with the recovery tank and the processing tank.
Description
Technical Field
The invention relates to the technical field of saline water recovery, in particular to a saline water recovery processing device.
Background
In industrial production, high-salt-containing water is often produced, and because the high-salt-containing water contains various substances (including salt, oil, organic matters, heavy metals and radioactive substances), if the high-salt-containing water is directly discharged, the mineralization degree of the water quality of rivers is improved, soil, surface water and underground water are more and more seriously polluted, and the ecological environment is endangered, so that the salt content in the high-salt-containing water needs to be recycled before the high-salt-containing water is discharged.
The prior art processes for treating high-salt-containing water comprise natural evaporation of an evaporation pond and evaporation of an ultrasonic atomizer, wherein the evaporation pond adopts solar energy to naturally evaporate the high-salt-containing water, and the evaporation pond occupies a large area; and the energy consumption of the evaporation equipment is higher by adopting the ultrasonic atomizer to evaporate the high-salt-containing water.
Disclosure of Invention
The invention provides a saline water recovery processing device, which is used for solving the problems of large occupied area and high energy consumption of the saline water recovery processing device in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a saline water recovery treatment device, which comprises a water inlet pipe, a treatment tank and a recovery tank, wherein one end of the water inlet pipe is inserted into the treatment tank, the treatment tank is provided with an overflow hole and a discharge hole, the position of the overflow hole is higher than that of the discharge hole, the outer wall of the treatment tank is covered with an absorption layer, the absorption layer is used for absorbing saline water overflowing from the overflow hole, the recovery tank is positioned below the absorption layer, and the saline water recovery treatment device also comprises a circulating pump, and the circulating pump is respectively communicated with the recovery tank and the treatment tank.
Optionally, the absorption layer covers a circumference of an outer wall of the treatment tank, the number of the overflow holes is multiple, and the plurality of the overflow holes are arranged at intervals along the circumferential direction of the treatment tank.
Optionally, the bottom of recovery tank has seted up the connecting hole, the connecting hole seal cover is established on the outer wall of processing jar, the recovery tank is higher than the bin outlet sets up.
Optionally, the device further comprises a crystallized salt collecting tank which is positioned below the discharge opening.
Optionally, the system further comprises a water storage tank for storing salt-containing water, wherein the water storage tank is communicated with the water inlet pipe.
Optionally, the treatment tank is a plurality of treatment tanks, and the plurality of treatment tanks are all communicated with the water storage tank.
Optionally, the water storage tank is disposed higher than the treatment tank.
Optionally, the absorbent layer is a porous fabric, a metal mesh or a sponge.
Optionally, the processing tank includes condensation storehouse and crystallization storehouse that from top to bottom communicates in proper order, the condensation storehouse is cylindrical, the crystallization storehouse is the back taper, the crystallization storehouse with condensation storehouse sealing connection.
Optionally, the treatment tank further comprises a water level detection device, and the water level detection device is used for detecting the water level of the saline water in the treatment tank.
When the device for recovering and treating the salt-containing water provided by the embodiment of the invention is used for treating the salt-containing water, the salt-containing water is introduced into the treatment tank through the water inlet pipe, when the water level of the salt-containing water in the treatment tank reaches the position of the overflow hole, the salt-containing water overflows from the overflow hole and is absorbed by the absorption layer on the outer wall of the treatment tank, the salt-containing water flows downwards in the absorption layer under the action of gravity, water in the salt-containing water is evaporated through solar energy and wind energy in the flowing process, meanwhile, the heat of the salt-containing water in the treatment tank is taken away in the evaporation process, the salt-containing water which does not reach the evaporation finally falls into the recovery tank from the bottom of the absorption layer, the salt-containing water which does not reach the evaporation is reintroduced into the treatment tank under the action of the circulating pump, the operation is repeatedly carried out until the salt-containing water in the treatment tank is concentrated to the saturated concentration, the salt in the, the accessible bin outlet is discharged the salt of crystallizing to the realization is to the recovery of salt in the salt-containing water. Compared with the prior art, the saline water recovery and treatment device provided by the embodiment of the invention has the advantages that the occupied area is smaller, the saline water is naturally evaporated by adopting solar energy and wind energy in the recovery process, and the energy consumption is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a recovery and treatment apparatus for salt-containing water according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a saline water collector connected with a plurality of treatment tanks in the saline water recovery treatment device according to the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, "and/or" is only one kind of association relationship describing an association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1, the saline water recycling device according to the embodiment of the present invention includes a water inlet pipe 1, a processing tank 2 and a recycling tank 3, wherein one end of the water inlet pipe 1 is inserted into the processing tank 2, the processing tank 2 is provided with an overflow hole 201 and a discharge hole 202, the overflow hole 201 is higher than the discharge hole 202, an outer wall of the processing tank 2 is covered with an absorption layer 4, the absorption layer 4 is used for absorbing saline water overflowing from the overflow hole 201, the recycling tank 3 is located below the absorption layer 4, and the recycling tank 3 and the processing tank 2 are respectively communicated with the recycling tank 5 and the processing tank 5.
When the device for recovering and treating salt-containing water provided by the embodiment of the invention is used for treating salt-containing water, the salt-containing water is introduced into the treatment tank 2 through the water inlet pipe 1, when the water level of the salt-containing water in the treatment tank 2 reaches the position of the overflow hole 201, the salt-containing water overflows from the overflow hole 201, then is absorbed by the absorption layer 4 on the outer wall of the treatment tank 2, under the action of gravity, the salt-containing water flows downwards in the absorption layer 4, water in the salt-containing water is evaporated through solar energy and wind energy in the flowing process, meanwhile, the heat of the salt-containing water in the treatment tank 2 is taken away in the evaporating process, the salt-containing water which is not subjected to evaporation finally falls into the recovery tank 3 from the bottom of the absorption layer 4, under the action of the circulating pump 5, the salt-containing water which is not subjected to evaporation is reintroduced into the treatment tank 2, the steps are repeated until the salt-containing water in the treatment tank 2 is concentrated, when the crystallized salt in the treatment tank 2 is accumulated more, the crystallized salt can be discharged through the discharge port 202, so that the recovery of salt in the salt-containing water is realized. Compared with the prior art, the saline water recovery and treatment device provided by the embodiment of the invention has the advantages that the occupied area is smaller, the saline water is naturally evaporated by adopting solar energy and wind energy in the recovery process, and the energy consumption is lower.
One or more of the above-mentioned spillway holes 201 may be formed in the treatment tank 2 according to the area of the absorbent layer 4. In the embodiment of the invention, the absorption layer 4 covers the periphery of the outer wall of the treatment tank 2, the number of the overflow holes 201 is multiple, and the plurality of the overflow holes 201 are arranged at intervals along the circumferential direction of the treatment tank 2, so that the evaporation area of the salt-containing water is larger, and the evaporation efficiency is higher. Specifically, the diameter of the overflow holes 201 may be designed according to the specification of the treatment tank 2 and the number of the overflow holes 201, and for example, the diameter of the overflow holes 201 is 5 to 50 mm.
Of course, the discharge port 202 is provided with a crystallized salt outlet valve 6. In some embodiments, the recycling tank 3 may be disposed below the processing tank 2, the recycling tank 3 is used for collecting the brine that has not been subjected to evaporation after passing through the absorption layer during the brine processing, when the accumulation of the crystallized salt in the processing tank 2 is large, the connection pipeline between the recycling tank 3 and the circulation pump 5 is closed, the crystallized salt output valve 6 is opened, the crystallized salt is discharged from the discharge port 202 and falls into the recycling tank 3, that is, the recycling tank 3 may be used as a crystallization collecting tank, and the recycling tank 3 may be used as a collector for the brine and the crystallized salt that have not been subjected to evaporation, respectively, so that the structure of the brine recycling processing apparatus is relatively simple.
In other embodiments, a connecting hole is formed at the bottom of the recovery tank 3, the recovery tank 3 is sleeved on the outer wall of the treatment tank 2 through the connecting hole, the connecting hole is hermetically connected with the outer wall of the treatment tank 2, and the recovery tank 3 is arranged higher than the discharge port 202, so that the saline water which is not subjected to evaporation in the recovery tank 3 is not influenced to be reintroduced into the treatment tank 2 regardless of whether the discharge port 202 is opened or not. Referring to fig. 1, the recovery tank 3 according to the embodiment of the present invention is mounted on the treatment tank 2 by the above-described structure.
Based on the above embodiment, the embodiment of the present invention further includes a crystallized salt collecting tank 7, the crystallized salt collecting tank 7 is located below the discharge port 202, and when the crystallized salt output valve 6 is opened, the crystallized salt in the treatment tank 2 falls into the crystallized salt collecting tank 7. Of course, the crystallized salt collecting tank 7 can be placed at other positions, and the crystallized salt output valve is connected with the output pipe, and the crystallized salt is guided into the crystallized salt collecting tank 7 through the output pipe.
Alternatively, the crystallized salt collecting tank 7 may be made of metal, or made of nonmetal, or made of metal and nonmetal. Since the salt-containing water may contain corrosive components and the crystallized salt may have a part of salt-containing water during the falling process, the crystallized salt collecting tank 7 should be made of a material having corrosion resistance, and the crystallized salt collecting tank 7 in the embodiment of the present invention is made of a sheet metal part made of stainless steel or aluminum alloy.
It should be noted that: the embodiment of the invention also comprises a first connecting pipe 8 and a second connecting pipe 9, wherein the first connecting pipe 8 is used for communicating the recovery tank 3 with the circulating pump 5, and the second connecting pipe 9 is used for communicating the circulating pump 5 with the treatment tank 2. Alternatively, one end of the second connection pipe 9 is connected to the outer wall of the treatment tank 2, and the connection point of the second connection pipe 9 and the treatment tank 2 is located below the overflow hole 201; alternatively, one end of the second connection pipe 9 is inserted into the treatment tank 2, the connection position of the second connection pipe 9 and the housing of the treatment tank 2 is located above the overflow hole 201, and the lower end of a part of the second connection pipe 9 located inside the treatment tank 2 is located below the overflow hole 201, so that a part of the salt-containing water guided out of the recovery tank 3 is prevented from directly flowing out of the overflow hole 201 when being guided into the treatment tank 2.
Further, in some industrial processes, the yield of salt-containing water is high, and it is not suitable to introduce the salt-containing water discharge pipe directly into the treatment tank 2 through the water inlet pipe 1. Therefore, the device for recovering and treating the salt-containing water according to the embodiment of the present invention further includes a water storage tank 10 for storing the salt-containing water, the water storage tank 10 is communicated with the water inlet pipe 1, the salt-containing water can be stored in the water storage tank 10 first, and after a large amount of salt-containing water is accumulated in the water storage tank 10, the salt-containing water is introduced into the treatment tank 2 through the water inlet pipe 1.
It should be noted that the water inlet pipe 1 is provided with a water inlet valve 11, and the opening of the water inlet valve 11 can be adjusted to control the saline water to enter the treatment tank 2 at a proper flow rate.
If the flow of the salt-containing water generated in the industrial production is large, only one treatment tank 2 is adopted, and all the salt-containing water cannot be recovered in time. Therefore, in the embodiment of the present invention, there are a plurality of treatment tanks 2, each of the plurality of treatment tanks 2 is communicated with the water storage tank 10, and the plurality of treatment tanks 2 includes a treatment tank 210, a treatment tank 220, treatment tanks 230, … …, and a treatment tank 2n0, as shown in fig. 2, the plurality of treatment tanks 2 are used to simultaneously treat the salt-containing water in the water storage tank 10, thereby increasing the recovery treatment speed of the salt-containing water.
Alternatively, the water storage tank 10 may be introduced into the treatment tank 2 by: the water storage tank 10 is arranged higher than the treatment tank 2, and under the action of gravity, when the salt-containing water in the water storage tank 10 of the water inlet pipe 1 directly flows into the treatment tank 2; the device for recovering and treating the salt-containing water further comprises a water pump, wherein the water pump is arranged on the water inlet pipe 1, and the salt-containing water in the water storage tank 10 is led into the treatment tank 2 through the water pump. The former does not need a water pump, thus reducing the cost and energy consumption.
The absorbing layer 4 is a porous material with a high specific surface area, such as a porous fabric, a metal net or a sponge, and the salt-containing water flowing out of the overflow holes 201 flows downward and to both circumferential sides of the treatment tank 2 under the action of gravity and wicking, and the salt-containing water only drops from the bottom of the porous material into the recovery tank 3 after the entire porous material is wetted.
Further, the treatment tank 2 comprises a condensation bin 21 and a crystallization bin 22 which are sequentially communicated from top to bottom, wherein the condensation bin 21 can be in an elliptical shape, a hemispherical shape, a cylindrical shape, a semi-cylindrical shape, a conical shape, a semi-conical shape, a funnel shape, a truncated cone shape or a semi-truncated cone shape, and the crystallization bin 22 can be in an inverted cone shape, a funnel shape or a semi-conical shape so as to facilitate the derivation of the crystallized salt. Referring to fig. 1, the condensation bin 21 of the treatment tank 2 in the embodiment of the present invention is cylindrical, the crystallization bin 22 is in an inverted cone shape, and the crystallization bin 22 is hermetically connected to the condensation bin 21, so that the processing is convenient. The condensation bin 21 and the crystallization bin 22 can be made of metal or plastic materials, and the materials of the condensation bin 21 and the crystallization bin 22 can be the same or different.
The device for recovering and treating the salt-containing water of the embodiment of the invention further comprises a water level detection device 12, wherein the water level detection device 12 is used for detecting the water level in the treatment tank 2, for example, the water level detection device is a water level height gauge which is arranged on the water inlet pipe 1 and is positioned on one side of the water inlet valve 11 close to the treatment tank 2.
Structural parameters of the above components can be designed according to actual needs, for example, the condensation bin 21 is an elliptical cylinder, the length, width and height of the condensation bin 21 are respectively 400mm, 200mm and 400mm, 16 overflow holes 201 of 5mm are circumferentially arranged on the condensation bin 21 at a distance of 50mm from the highest point of the condensation bin along the circumferential direction, and the 16 overflow holes 201 are uniformly distributed at intervals along the circumferential direction; the bottom plate of the crystallized salt collecting tank 7 is circular, the diameter of the bottom plate is 350mm, and the height of the side wall of the crystallized salt collecting tank 7 is 200 mm.
Based on the above embodiment, the working process of the saline water recovery processing device of the embodiment of the invention is as follows:
step 1: after a proper amount of salt-containing water is injected into the water storage tank 10, the water inlet valve 11 is opened, the water inlet valve 11 is regulated and controlled at the same time, and the water inlet rate of the salt-containing water is controlled to enable the salt-containing water to slowly flow into the condensation bin 21 of the treatment tank 2.
Step 2: when the water level of the salt-containing water in the condensation bin 21 reaches the overflow holes 201, the salt-containing water slowly flows out of the overflow holes 201 and enters the absorption layer 4, the salt-containing water in the absorption layer 4 starts to evaporate under the action of natural wind and solar energy, and the heat in the salt-containing water in the condensation bin 21 is absorbed in the evaporation process; the salt-containing water which is not ready to be evaporated on the absorption layer 4 enters the recovery tank 3, the circulating pump 5 is started, the salt-containing water in the recovery tank 3 is reintroduced into the condensation bin 21, and meanwhile, the power of the circulating pump 5 is controlled, so that the water supply rate of the circulating pump 5 is reintroduced into the condensation bin 21 at a slow speed.
And step 3: along with the continuous evaporation of the liquid water, the concentration of the salt-containing water in the whole recovery processing device continuously rises, when the concentration of the salt-containing water exceeds the saturated concentration, crystallization occurs, and the crystallized salt is settled down under the action of gravity and enters a crystallization bin 22; when the weight of the crystallized salt in the crystallization bin 22 reaches a certain degree, the crystallized salt output valve 6 of the crystallization bin 22 is opened, so that the crystallized salt completely flows into the crystallized salt collecting tank 7, and the recovery of the crystallized salt is completed. And when the recovery of the crystallized salt is finished, closing the crystallized salt output valve 6 and repeating the steps.
Wherein, the water inlet speed of the salt-containing water and the water supply speed of the circulating pump 5 can be 1-2 Kg/h (kilogram per hour). In addition, the device for recovering and treating the salt-containing water can also be used for desalting seawater.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a salt water recovery processing device, its characterized in that, includes inlet tube, processing tank and accumulator, the one end of inlet tube is inserted in the processing tank, spillway hole and bin outlet have been seted up on the processing tank, the position of spillway hole is higher than the position of bin outlet, the outer wall of processing tank coats and is stamped the absorbed layer, the absorbed layer is used for absorbing the follow the salt water that spillway hole spills over, the accumulator is located the below of absorbed layer still includes the circulating pump, the circulating pump respectively with the accumulator the processing tank intercommunication.
2. The brine containing recovery and treatment device as claimed in claim 1, wherein the absorption layer covers a circumference of the outer wall of the treatment tank, and the plurality of overflow holes are arranged at intervals along the circumferential direction of the treatment tank.
3. The brine containing water recovery and treatment device as claimed in claim 1 or 2, wherein a connecting hole is formed at the bottom of the recovery tank, the connecting hole is sealed and sleeved on the outer wall of the treatment tank, and the recovery tank is arranged higher than the discharge port.
4. The brine containing recovery and treatment device as claimed in claim 3, further comprising a crystallized salt collection tank located below the discharge opening.
5. The brine containing recovery and treatment device as claimed in claim 1, further comprising a water storage tank for storing brine, wherein the water storage tank is communicated with the water inlet pipe.
6. The brine containing recovery and treatment device as claimed in claim 5, wherein the treatment tank is provided in plurality, and the plurality of treatment tanks are all communicated with the water storage tank.
7. The brine-containing water recovery and treatment device of claim 5, wherein the water storage tank is arranged higher than the treatment tank.
8. The brine-containing water recovery and treatment device as claimed in claim 1, wherein the absorption layer is a porous fabric, a metal mesh or a sponge.
9. The brine containing water recovery and treatment device as claimed in claim 1, wherein the treatment tank comprises a condensation bin and a crystallization bin which are sequentially communicated from top to bottom, the condensation bin is cylindrical, the crystallization bin is inverted cone-shaped, and the crystallization bin is hermetically connected with the condensation bin.
10. The apparatus according to claim 1, further comprising a water level detecting device for detecting the water level of the salt water in the treatment tank.
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| CN201910990041.2A CN112678905B (en) | 2019-10-17 | 2019-10-17 | Salt-containing water recovery processing device |
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| CN201910990041.2A CN112678905B (en) | 2019-10-17 | 2019-10-17 | Salt-containing water recovery processing device |
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| CN112678905A true CN112678905A (en) | 2021-04-20 |
| CN112678905B CN112678905B (en) | 2022-07-19 |
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| GB962136A (en) * | 1960-07-20 | 1964-07-01 | Gen Electric | Improvements in method and apparatus for distilling water |
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