CN218810530U - Strong brine low temperature evaporation concentration device - Google Patents
Strong brine low temperature evaporation concentration device Download PDFInfo
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- CN218810530U CN218810530U CN202223395745.1U CN202223395745U CN218810530U CN 218810530 U CN218810530 U CN 218810530U CN 202223395745 U CN202223395745 U CN 202223395745U CN 218810530 U CN218810530 U CN 218810530U
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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
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- Y02A20/124—Water desalination
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Abstract
The utility model relates to a strong brine low temperature evaporation concentration device, including evaporating chamber, dense liquid chamber, the evaporating chamber is connected with the dense liquid chamber, the evaporating chamber comprises bottom evaporation tower, middle level evaporation tower and upper evaporation tower, all be equipped with water distributor and crystallization cloth subassembly on bottom evaporation tower, middle level evaporation tower and the upper evaporation tower, the water distributor adopts disc water distribution weir, bottom evaporation tower, middle level evaporation tower top all are equipped with middle level liquid redistributor, bottom liquid redistributor, and middle level liquid redistributor, bottom liquid redistributor are located the top of water distributor. This low temperature evaporation concentration device simple structure, waste water treatment is effectual, low in manufacturing cost, running cost are low, easy operation, and the specially adapted strong brine evaporation crystallization of the little water yield deals with the project.
Description
Technical Field
The utility model belongs to the technical field of high salt waste water zero release is handled, concretely relates to strong brine low temperature evaporation concentration device.
Background
The existing mainstream high-salinity wastewater zero-discharge treatment device mainly comprises a Mechanical Vapor Recompression (MVR) technology and a multi-effect evaporation crystallization technology.
The MVR technology preheats strong brine, then enters an evaporator and is partially evaporated in the evaporator, the generated low-quality secondary steam is compressed by a compressor to improve the pressure and the temperature to high-quality steam, the high-quality steam is introduced into the heating side of the evaporator, and the steam is condensed and then is led out as product water, so that the cyclic utilization of heat energy is realized, and fresh steam does not need to be additionally supplemented.
The multiple-effect evaporation crystallization technology is characterized in that a plurality of evaporators are connected in series for operation, so that steam heat energy is utilized for multiple times, the utilization rate of the heat energy is improved, the multiple-effect evaporation crystallization technology is mainly used for treating aqueous solutions, in the process of the multiple-effect evaporation operation, the first evaporator (called as a first effect) takes raw steam as heating steam, and the rest evaporators take secondary steam of the previous effect as the heating steam, so that the consumption of the raw steam can be greatly reduced.
The two mainstream evaporative crystallization technologies and equipment have the defects of high operating pressure, complex composition and high energy consumption, and are mostly applied to enterprises with large concentrated brine amount. But it is difficult to apply to items where the amount of brine is small and needs to be disposed of.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, this application provides a strong brine low temperature evaporation concentration device, and the operation cost is low, the flexible operation, can handle the small water yield project.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a strong brine low temperature evaporation concentration device, includes evaporating chamber, dense liquid chamber, the evaporating chamber is connected with the dense liquid chamber, the evaporating chamber comprises bottom evaporation tower, middle level evaporation tower and upper evaporation tower, all be equipped with water-locator and crystallization cloth subassembly on bottom evaporation tower, middle level evaporation tower and the upper evaporation tower, be equipped with air inlet, viewing aperture on the bottom evaporation tower, the air inlet is located crystallization cloth subassembly below, the top of bottom evaporation tower is equipped with bottom distribution pipe mouth, the top of bottom distribution pipe mouth is equipped with bottom liquid redistributor, the below of middle level evaporation tower is equipped with middle level thermometer interface, the top of middle level distribution pipe mouth is equipped with middle level liquid redistributor, the below of upper evaporation tower is equipped with upper strata thermometer interface, and the top is equipped with upper strata distribution pipe mouth, the top of upper evaporation tower is equipped with the collection chamber, be equipped with exhaust thermometer interface and gas collection port on the collection chamber, the dense liquid chamber is located the below of bottom evaporation tower, the below of dense liquid chamber is equipped with the salt discharge mouth, one side of dense liquid chamber is equipped with the circulating water outlet.
Further: the middle-layer liquid redistributor and the bottom-layer liquid redistributor are positioned above the water distributor.
Further: the water distributor adopts a disc type water distribution weir, and pipe holes with the diameter of 5-10 mm are arranged on the water distributor and used for distributing water uniformly.
Further: the installation distance of the crystallization cloth components is set to be 10-100 mm, and non-tight flexible connection is adopted.
Preferentially, the method comprises the following steps: the gas collection chamber is connected with the evaporation chamber and the evaporation chamber is connected with the thick liquid chamber through flanges; the bottom layer evaporation tower, the middle layer evaporation tower and the upper layer evaporation tower are connected through flanges.
Preferentially, the method comprises the following steps: the thick liquid chamber adopts a cone shape and is supported with the skirt into a whole.
Preferentially, the method comprises the following steps: the low-temperature evaporation concentration device further comprises a raw water tank, a raw water pump, a buffer tank, a concentrated water circulating pump, a constant-temperature fan and a thick liquid storage tank, wherein the raw water tank is connected with the raw water pump, and a water outlet pipe of the raw water pump is respectively connected with the bottom layer water distribution pipe opening, the middle layer water distribution pipe opening and the upper layer water distribution pipe opening.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the low-temperature evaporation concentration device has the advantages of simple structure, good wastewater treatment effect, low manufacturing cost, low running cost and simple operation, and is particularly suitable for the treatment project of evaporation crystallization of strong brine with small water volume.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings required to be used in the description of the embodiment will be briefly introduced below, it is obvious that the drawings in the following description are only for more clearly illustrating the embodiment of the present invention or the technical solution in the prior art, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a process flow diagram of the present invention;
in the figure: 1-skirt support, 2-salt discharge vent, 3-circulating water outlet, 4-air inlet, 5-observation hole, 6-crystallized cloth component, 7-bottom water distribution pipe port, 8-bottom liquid redistributor, 9-middle-layer thermometer interface, 10-middle-layer water distribution pipe port, 11-middle-layer liquid redistributor, 12-upper-layer thermometer interface, 13-upper-layer water distribution pipe port, 14-exhaust thermometer interface, 15-air collecting port, 16-thick liquid chamber, 17-bottom evaporation tower, 18-middle-layer evaporation tower and 19-upper-layer evaporation tower.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to the following specific embodiments, which are provided as illustration only and are not intended to limit the present invention.
The low-temperature concentrated brine evaporation and concentration device shown in fig. 1 comprises an evaporation chamber, a concentrated water chamber 16, a raw water tank, a raw water pump, a buffer tank, a concentrated water circulating pump, a constant-temperature fan and a concentrated liquid storage tank, wherein the raw water tank is connected with the raw water pump, a water outlet pipe of the raw water pump is respectively connected with a bottom water distribution pipe orifice, a middle water distribution pipe orifice and an upper water distribution pipe orifice, the evaporation chamber is connected with the concentrated water chamber 16 and consists of a bottom evaporation tower 17, a middle evaporation tower 18 and an upper evaporation tower 19, a water distributor and a crystal cloth assembly 6 are arranged on the bottom evaporation tower 17, the middle evaporation tower 18 and the upper evaporation tower 19, an air inlet 4 and an observation hole 5 are arranged on the bottom evaporation tower 17, the air inlet 4 is positioned below the crystal cloth assembly 6, a bottom water distribution pipe orifice 7 is arranged above the bottom evaporation tower 17, the top of bottom water distribution pipe mouth 7 is equipped with bottom liquid redistributor 8, the below of middle level evaporation tower 18 is equipped with middle level thermometer interface 9, and the top is equipped with middle level water distribution pipe mouth 10, the top of middle level water distribution pipe mouth 10 is equipped with middle level liquid redistributor 11, the below of upper evaporation tower 19 is equipped with upper thermometer interface 12, and the top is equipped with upper water distribution pipe mouth 13, the top of upper evaporation tower 19 is equipped with the collection chamber, be equipped with exhaust thermometer interface 14 and collection port 15 on the collection chamber, exhaust thermometer interface 14 is used for installing the air outlet thermometer, dense liquid chamber 16 is located the below of bottom evaporation tower 17, the below of dense liquid chamber 16 is equipped with row's salt drain 2, one side of dense liquid chamber 16 is equipped with a plurality of circulating water outlet 3, the circulating water outlet links to each other with the dense water circulating pump.
Fig. 2 is a process flow chart of the present invention: specifically, after the concentrated brine is cached and homogenized by the raw water tank, the concentrated brine enters the evaporation chamber from the raw water tank like a raw water pump, flows through the upper-layer evaporation tower, the middle-layer evaporation tower and the bottom-layer evaporation tower from top to bottom in the evaporation chamber and converges in the thick liquid chamber, the thick liquid chamber is provided with a circulating water outlet, the concentrated brine is lifted to a main water inlet pipe by a concentrated water circulating pump, part of the concentrated brine is discharged in a cross flow mode, and the concentrated brine is temporarily stored and is transported to the outside for disposal at regular time. The hot air generated by the constant temperature fan enters the evaporation chamber through the bottom layer evaporation tower, contacts with the strong brine from bottom to top, realizes the concentration and evaporation of the strong brine through contact heat transfer and evaporation heat transfer, and the damp and hot air is discharged from the top gas collection port.
As shown in fig. 1, the utility model discloses a structural schematic diagram, the strong brine is from bottom water distribution pipe mouth 7 respectively, middle level water distribution pipe mouth 10, upper water distribution pipe mouth 13 gets into bottom evaporation tower 17, middle level evaporation tower 18, in the upper evaporation tower 19, all be equipped with crystallization cloth subassembly 6 in the three-layer evaporation tower, crystallization cloth subassembly 6 is fixed on the crystallization cloth through the subassembly couple that attaches at the evaporation tower inner wall, the strong brine passes through bottom water distribution pipe mouth 7, middle level water distribution pipe mouth 10, upper water distribution pipe mouth 13 gets into in the water-locator, be equipped with the water distribution weir on the water-locator, the strong brine flows down along the crystallization cloth subassembly after effluenting, evaporate moisture gradually with the hot-air contact in the flow process, the liquid redistributor is established respectively on the upper portion of middle level and lower floor evaporation tower, utilize the liquid redistributor to its upper strong brine redistribution that flows down from crystallization cloth subassembly 6, realize even water distribution.
The concentrated brine flows to a bottom layer thick liquid chamber 16 after being evaporated by the three-layer evaporation tower, the thick liquid chamber 16 and the skirt support 1 are of an integral structure, a circulating water outlet 3 is arranged on the side wall of the thick liquid chamber 16, the thick liquid chamber 16 is in a cone hopper shape, and a salt discharge emptying port 2 is arranged at the bottom of the cone hopper and used for emptying or temporarily discharging salt.
Preferably: the circulating water outlet 3 is connected to a concentrated water circulating pump, a valve is arranged on the circulating water outlet, the outlet of the circulating pump is connected with a raw water tank water inlet pipe and used for circulating saturated brine to return to the evaporation chamber for continuous evaporation, and a thick liquid discharge pipe is additionally arranged at the outlet of the circulating water pump and is periodically transported and disposed through external temporary storage.
Preferably: the air inlet 4 is connected with a constant temperature fan, the constant temperature fan adopts a variable frequency temperature-adjustable device, and the air quantity and the temperature can be adjusted according to the water quantity and the air outlet thermometer.
Preferably: in order to avoid interference between the crystallization cloths, the distance between two adjacent crystallization cloth components 6 is set to be 10-100 mm, in order to avoid blockage caused by a large amount of salt separated out on the crystallization cloths, the crystallization cloths are in non-tight flexible connection, and the crystallization cloths can be blown by high-flow-rate gas flow to enable salt to shake off.
The low-temperature evaporation concentration device has the advantages of simple structure, good wastewater treatment effect, low manufacturing cost, low running cost and simple operation, and is particularly suitable for the treatment project of evaporation crystallization of strong brine with small water volume.
The present invention is not described in detail in the prior art.
The above description is only for the preferred embodiment of the present invention, and is not limited to the description and the embodiments. Therefore, all equivalent changes or modifications made according to the structure, characteristics and principles described in the claims of the present invention should be included in the claims of the present invention.
Claims (7)
1. The utility model provides a strong brine low temperature evaporation concentration device, includes evaporating chamber, dense fluid chamber (16), its characterized in that: the evaporation chamber is connected with a thick liquid chamber (16), the evaporation chamber consists of a bottom evaporation tower (17), a middle evaporation tower (18) and an upper evaporation tower (19), the bottom evaporation tower (17), the middle evaporation tower (18) and the upper evaporation tower (19) are respectively provided with a water distributor and a crystallization cloth component (6), the bottom evaporation tower (17) is provided with an air inlet (4) and an observation hole (5), the air inlet (4) is positioned below the crystallization cloth component (6), the upper part of the bottom evaporation tower (17) is provided with a bottom water distribution pipe port (7), the upper part of the bottom water distribution pipe port (7) is provided with a bottom liquid redistributor distributor (8), the lower part of the middle evaporation tower (18) is provided with a middle thermometer port (9), the upper part of the middle evaporation tower is provided with a middle water distribution pipe port (10), the upper part of the middle water distribution pipe port (10) is provided with a middle liquid redistributor distributor (11), the lower part of the upper evaporation tower (19) is provided with an upper thermometer port (12), the upper part of the upper layer evaporation tower is provided with an upper layer water distribution pipe port (13), the upper layer evaporation tower is provided with a thick liquid distributor (19), the thick liquid discharge port (14), the lower part of the gas collection chamber (16) is provided with a thick liquid collection chamber (17), and the evaporation tower (16) is provided with a gas collection chamber (17), and one side of the condensed water chamber (16) is provided with a plurality of circulating water outlets (3).
2. The concentrated brine low-temperature evaporation and concentration device according to claim 1, which is characterized in that: the middle-layer liquid redistributor (11) and the bottom-layer liquid redistributor (8) are positioned above the water distributor.
3. The concentrated brine low-temperature evaporation and concentration device according to claim 1, which is characterized in that: the water distributor adopts a disc type water distribution weir, and pipe holes with the diameter of 5-10 mm are arranged on the water distributor and are used for uniformly distributing water.
4. The concentrated brine low-temperature evaporation and concentration device according to claim 1, which is characterized in that: the installation space of the crystallized cloth components (6) is set to be 10-100 mm, and non-tight flexible connection is adopted.
5. The concentrated brine low-temperature evaporation and concentration device according to claim 1, which is characterized in that: the gas collection chamber is connected with the evaporation chamber and the evaporation chamber is connected with the condensed liquid chamber (16) through flanges; the bottom layer evaporation tower (17), the middle layer evaporation tower (18) and the upper layer evaporation tower (19) are connected through flanges.
6. The concentrated brine low-temperature evaporation and concentration device according to claim 1, which is characterized in that: the dense liquid chamber (16) is in a cone hopper shape and is integrated with the skirt support (1).
7. A concentrated brine low temperature evaporation and concentration device according to any one of claims 1 to 6, which is characterized in that: the low-temperature evaporation concentration device further comprises a raw water tank, a raw water pump, a buffer tank, a concentrated water circulating pump, a constant-temperature fan and a thick liquid storage tank, wherein the raw water tank is connected with the raw water pump, and a water outlet pipe of the raw water pump is respectively connected with the bottom layer water distribution pipe opening, the middle layer water distribution pipe opening and the upper layer water distribution pipe opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223395745.1U CN218810530U (en) | 2022-12-19 | 2022-12-19 | Strong brine low temperature evaporation concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223395745.1U CN218810530U (en) | 2022-12-19 | 2022-12-19 | Strong brine low temperature evaporation concentration device |
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| Publication Number | Publication Date |
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| CN218810530U true CN218810530U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223395745.1U Active CN218810530U (en) | 2022-12-19 | 2022-12-19 | Strong brine low temperature evaporation concentration device |
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| CN (1) | CN218810530U (en) |
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- 2022-12-19 CN CN202223395745.1U patent/CN218810530U/en active Active
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