CN220345282U - Filtering device for high-salinity brine denitration and purification - Google Patents

Filtering device for high-salinity brine denitration and purification Download PDF

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Publication number
CN220345282U
CN220345282U CN202320880214.7U CN202320880214U CN220345282U CN 220345282 U CN220345282 U CN 220345282U CN 202320880214 U CN202320880214 U CN 202320880214U CN 220345282 U CN220345282 U CN 220345282U
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denitration
filtering
filtering chamber
chamber
purification
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CN202320880214.7U
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李子全
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Dongguan Zhongtang Dongteng Salt Mine Development Co ltd
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Dongguan Zhongtang Dongteng Salt Mine Development Co ltd
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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
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

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Abstract

The utility model discloses a filtering device for denitration and purification of high-salinity brine, which comprises a structural main body, wherein the structural main body comprises a denitration mechanism, a cooling mechanism, a pumping set arranged at the top of the denitration mechanism and a pipe fitting for connecting the denitration mechanism and the cooling mechanism, the denitration mechanism sequentially comprises a denitration tank and a storage tank from top to bottom, a centrifugal device, a first filtering chamber, a second filtering chamber and a third filtering chamber are arranged in the denitration tank, and a cleaning water pipe for cleaning the first filtering chamber, the second filtering chamber and the third filtering chamber is further arranged at the top of the denitration tank. Combine centrifugal device high-speed separation to after the brine is through cooling, the separation rate of brine and nitrate element is better, and the denitration effect is better, and the function is more on the whole, and is efficient to the denitration of brine and purification, and the reliability is stronger.

Description

Filtering device for high-salinity brine denitration and purification
Technical Field
The utility model relates to the technical field of filtering devices, in particular to a filtering device for denitration and purification of high-salinity brine.
Background
The sodium sulfate type brine in China has higher sulfate ion (SO 42-) content, and the content of sulfate ions 2-ions (SO 4) is continuously accumulated in the process of producing two alkali, and a chemical removal method, such as a barium chloride method, is generally adopted to remove the sulfate ions, SO that the cost is high, and the environment is polluted. The investment and installation cost of the membrane denitration device is basically equivalent to the annual consumption cost of removing sulfate ions by the barium chloride method, and the total annual operation cost of the membrane denitration device is only less than 1/3 of the cost of the barium chloride method. Because of the energy-saving and environment-friendly advantages, the method can only be applied to the denitration of raw brine by the original technology of the denitration of the dechlorinated light brine or the seawater desalination nanofiltration membrane. But the filtering effect efficiency of the filtering device for the traditional high-salinity brine denitration and purification is not high, and the filtering device has poor removing effect and single function for brine containing special odor. In this regard, a filtration device for denitration and purification of high salinity brine is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a filtering device for denitration and purification of high-salinity brine, which can effectively solve the problems of the prior art.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a filter equipment for high salinity brine denitration purification, includes the structure main part, the structure main part includes denitration mechanism, cooling body, locates the pump package at denitration mechanism top and is used for connecting denitration mechanism and cooling body's pipe fitting, denitration mechanism includes denitration jar and holding vessel from top to bottom in proper order, inside centrifugal device, first filtration cavity, second filtration cavity and the third filtration cavity of being equipped with of denitration jar to the denitration jar top still is equipped with and is used for first filtration cavity, second filtration cavity and the abluent wash water pipe of third filtration cavity;
the cooling mechanism comprises a sealed refrigerating cabin and a refrigerator arranged on the refrigerating cabin, wherein the refrigerating cabin is arranged on one side of the denitration tank, a heat exchange pipe connected with a pipe fitting is arranged inside the refrigerating cabin, the pipe fitting comprises a conveying pipe for conveying brine, and one end of the conveying pipe is arranged in the first filter cavity in a penetrating manner;
the first filtering chamber, the second filtering chamber and the third filtering chamber are sequentially arranged from top to bottom, the first filtering chamber is provided with a sleeve connected with the conveying pipe, and the water outlet end of the sleeve is provided with a first filtering structure;
the centrifugal device comprises a driving assembly and a plurality of detachable mounting seats, wherein the mounting seats are arranged around the axis of the second filtering cavity, more than two water outlets are arranged on the mounting seats, and the water outlets are provided with second filtering structures.
Further, the denitration tank is coaxially arranged with the storage tank, a filter screen replacing door is arranged on one side of the denitration tank, an access door is arranged on one side of the storage tank, the filter screen replacing door corresponds to the second filter chamber, the access door is arranged on the same side as the filter screen replacing door, and a water storage pool and a clear liquid drain pipe are further arranged in the storage tank.
Further, the water pump group comprises a case, a water pump arranged in the case and a concentration detection module, wherein the water pump is connected with the conveying pipe, and the concentration detection module is used for detecting the concentration of brine.
Further, a first water outlet is formed between the first filtering chamber and the second filtering chamber, a second water outlet is formed between the second filtering chamber and the third filtering chamber, and the third filtering chamber is connected with the storage tank through a pipeline.
Further, the first filtering structure is an active carbon filter screen, and the second filtering structure is a nanofiltration membrane.
Further, the sleeve is fixedly arranged in the first filtering cavity, and the bottom of the sleeve extends towards the direction of the second filtering cavity to be provided with a movable connecting piece for connecting a driving assembly, wherein the driving assembly comprises a motor and a transmission shaft, the motor is arranged in the storage tank, and the transmission shaft is used for driving the mounting seat to do centrifugal motion along the axis of the second filtering cavity.
Furthermore, the conveying pipe and the cleaning water pipe are provided with control valves, and the control valves are driven by electricity.
Further, the first water outlet and the second water outlet are both provided with automatic opening and closing valves.
Compared with the prior art, the utility model has the beneficial effects that:
the filtering device for denitration and purification of high-salinity brine has the beneficial effects that at least one of the following steps is adopted in the using process:
brine is led denitration mechanism again behind cooling body and is denitrated, wherein brine reaches below-10 ℃ under cooling body's effect, there is first filtration and the second filtration of denitration mechanism again, this structure can carry the purification effect that improves brine by a wide margin, the concentration of brine is detected to the in-process accessible concentration detection module of denitration jar again to the brine, wherein first filtration is the active carbon filter screen, second filtration is the nanofiltration membrane, combine two kinds of filtration can high-efficient denitration, also can better get rid of the peculiar smell in the brine, and second filtration still separates through centrifugal device, brine is better through the separation rate of cooling back, the denitration effect is better, overall function is more, the efficiency to the denitration of brine and purification is high, the reliability is stronger.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a filtration device for denitration and purification of high salinity brine;
FIG. 2 is a schematic side view of a filtration device for denitration and purification of high salinity brine;
FIG. 3 is a schematic cross-sectional structure of a filtering device for denitration and purification of high salinity brine;
fig. 4 is a schematic diagram of a portion a in fig. 3 according to the present utility model.
Reference numerals in the drawings:
1. a denitration mechanism; 101. a filter screen replacing door; 102. an access door; 103. a denitration tank; 104. a storage tank; 105. a clear liquid discharge pipe; 106. cleaning a water pipe; 107. a first filtering structure; 108. a first filtration chamber; 109. a second filtration chamber; 110. a third filtration chamber; 111. a reservoir; 112. a first water outlet; 113. a second water outlet; 114. a sleeve; 115. a motor; 116. a second filter structure; 117. a mounting base; 2. a cooling mechanism; 201. a refrigerating cabin; 202. a refrigerating machine; 203. a control valve; 204. a heat exchange tube; 3. a pipe fitting; 301. a delivery tube; 4. a pump group; 401. a chassis; 402. a water pump; 403. and a concentration detection module.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, the utility model provides a filtering device for denitration and purification of high salinity brine, which comprises a structural main body, wherein the structural main body comprises a denitration mechanism 1, a cooling mechanism 2, a water suction pump 402 group 4 arranged at the top of the denitration mechanism 1 and a pipe fitting 3 used for connecting the denitration mechanism 1 and the cooling mechanism 2, the denitration mechanism 1 sequentially comprises a denitration tank 103 and a storage tank 104 from top to bottom, a centrifugal device, a first filtering chamber 108, a second filtering chamber 109 and a third filtering chamber 110 are arranged in the denitration tank 103, and a cleaning water pipe 106 used for cleaning the first filtering chamber 108, the second filtering chamber 109 and the third filtering chamber 110 is also arranged at the top of the denitration tank 103;
the water pump 402 group 4 pumps the brine into the denitration mechanism 1, wherein the brine needs to pass through the cooling mechanism 2 when entering the denitration tank 103, the cooling cabin of the cooling mechanism 2 is internally provided with a heat exchange tube 204 which is arranged in a roundabout way, the heat exchange tube 204 is connected with the conveying tube 301, the refrigerator 202 enables the internal temperature of the refrigerating cabin 201 to be lower than 0 ℃, and the cooling temperature of the brine through the heat exchange tube 204 can be controlled at-5 ℃ and-10 ℃.
When the cooling temperature reaches-5 ℃ and-10 ℃, the cooling rate of the brine is 0.24 ℃ per minute to 0.40 ℃ per minute;
the average grain size of the crystals tends to increase with decreasing temperature at the same cooling rate, and for different cooling rates, when the cooling rate is 0.40 degrees celsius per minute, the average grain size of the crystals is 200um; the average particle size of the crystals was 300um when the cooling rate was 0.24 min.
From the above, the solubility of the mirabilite in the brine is reduced with the decrease of the temperature, and the supersaturation degree of the mirabilite in the solution is increased with the increase of the cooling rate.
The cooling mechanism 2 comprises a sealed refrigerating cabin 201 and a refrigerator 202 arranged on the refrigerating cabin 201, wherein the refrigerating cabin 201 is arranged on one side of the denitration tank 103, a heat exchange pipe 204 connected with a pipe fitting 3 is arranged inside the refrigerating cabin 201, the pipe fitting 3 comprises a conveying pipe 301 for conveying brine, and one end of the conveying pipe 301 is arranged in the first filtering chamber 108 in a penetrating manner;
the first filter chamber 108, the second filter chamber 109 and the third filter chamber 110 are sequentially arranged from top to bottom, the first filter chamber 108 is provided with a sleeve 114 connected with the conveying pipe 301, and a water outlet end of the sleeve 114 is provided with a first filter structure 107;
the centrifugal device comprises a driving assembly and a plurality of detachable mounting seats 117, wherein the mounting seats 117 are arranged around the axis of the second filter chamber 109, more than two water outlets are arranged on the mounting seats 117, and the water outlets are provided with second filter structures 116.
In this embodiment, brine passes through the first filtering structure 107 and then sequentially passes through the second filtering chamber 109 from the water outlet, the second filtering structure 116 in the second filtering chamber 109 is arranged on the centrifugal device, the brine and the mirabilite are separated in a high-speed rotation mode, the separated mirabilite crystals are attached to the second filtering structure 116, the denitration is further completed, and finally, the clear liquid after the denitration is sequentially conveyed into the storage tank 104 through the pipeline and then conveyed to the next evaporation crystallization process through the clear liquid pipe 105.
Further, the denitration tank 103 and the storage tank 104 are coaxially arranged, a screen replacing door 101 is arranged on one side of the denitration tank 103, an access door 102 is arranged on one side of the storage tank 104, the screen replacing door 101 corresponds to the second filtering chamber 109, the access door 102 and the screen replacing door 101 are arranged on the same side, and a water reservoir 111 and a clear liquid drain 105 are further arranged in the storage tank 104. The user can change the first filtering structure 107 and the second filtering structure 116 by opening the filter screen changing door 101, wherein the second filtering structure 116 is independently arranged on the separating device, the separating device is provided with an annular fixing seat, a plurality of mounting notches for mounting the second filtering structure 116 are formed in the fixing seat, and the fixing seat can rotate clockwise or anticlockwise at a high speed under the driving of the driving assembly.
Further, the water pump 402 set 4 includes a casing 401, a water pump 402 disposed in the casing 401, and a concentration detection module 403, where the water pump 402 is connected to the conveying pipe 301, and the concentration detection module 403 is used for detecting the concentration of brine. When the brine passes through the water suction pump 402, the concentration detection module 403 samples the brine, and detects the concentration content of the brine in real time, so that the intelligent performance is higher.
Further, a first water outlet 112 is provided between the first filter chamber 108 and the second filter chamber 109, a second water outlet 113 is provided between the second filter chamber 109 and the third filter chamber 110, and the third filter chamber 110 is connected to the storage tank 104 through a pipeline. The filter chambers arranged in the denitration tank 103 are all communicated through the water outlet, wherein the first filter chamber 108 is connected with the conveying pipe 301, the conveying pipe 301 is connected in the sleeve 114, brine is filtered by the first filter structure 107 after passing through the sleeve 114, and finally stored in the first filter chamber 108, the brine passes through the second water outlet 113 to reach the second filter chamber 109, and the centrifugal device in the second filter chamber 109 separates the nitrate in the brine at a high speed, so that the denitration efficiency is further improved.
Further, the first filtering structure 107 is an activated carbon filter screen, and the second filtering structure 116 is a nanofiltration membrane. Set up double filtration and filter the brine, when realizing high-efficient denitration, can also get rid of the special smell in the brine better, further make the brine obtain purification and purification.
Further, the sleeve 114 is fixedly disposed in the first filter chamber 108, and a movable connecting piece for connecting a driving assembly is disposed at the bottom of the sleeve 114 and extends toward the second filter chamber 109, wherein the driving assembly includes a motor 115 and a transmission shaft, the motor 115 is disposed in the storage tank 104, and the transmission shaft is used for driving the mounting seat 117 to perform centrifugal movement along the axis of the second filter chamber 109.
Further, the delivery pipe 301 and the cleaning water pipe 106 are both provided with a control valve 203, and the control valve 203 is electrically driven. Wherein wash water pipe 106 accessible intercommunication outside clear water washs denitration jar 103 inside, has reduced workman's operation intensity to in time clear up the jar can also prevent the corruption of high concentration brine to the jar body, improve its life.
Further, the first water outlet 112 and the second water outlet 113 are both provided with automatic opening and closing valves. When the pressures of the first filter chamber 108, the second filter chamber 109 and the third filter chamber 110 reach a certain level, the automatic opening/closing valve is automatically opened to allow the solution in the previous chamber to flow into the next chamber.
To sum up, this embodiment is when the brine passes through cooling body 2 and leads denitration mechanism 1 again and carries out the denitration, wherein the brine reaches below-10 ℃ under cooling body 2's effect, there is first filtration 107 and the second filtration 116 of denitration mechanism 1 again and filters, this structure can improve the purification effect of brine by a wide margin, the in-process accessible concentration detection module 403 that the brine was carried to denitration jar 103 again detects the concentration of brine, wherein first filtration 107 is the active carbon filter screen, second filtration 116 is the nanofiltration membrane, combine two kinds of filtration can high-efficient denitration, also can better get rid of the peculiar smell in the brine, and second filtration 116 still separates through centrifugal device, after the brine is cooled, brine and the separation rate of nitrate element are better, the denitration effect is better, the function is more on the whole, high efficiency to the denitration of brine and purification, the reliability is stronger.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. A filter equipment for purification of high salinity brine denitration, its characterized in that: the device comprises a structure main body, wherein the structure main body comprises a denitration mechanism (1), a cooling mechanism (2), a water suction pump (402) group (4) arranged at the top of the denitration mechanism (1) and a pipe fitting (3) used for connecting the denitration mechanism (1) and the cooling mechanism (2), the denitration mechanism (1) sequentially comprises a denitration tank (103) and a storage tank (104) from top to bottom, a centrifugal device, a first filter chamber (108), a second filter chamber (109) and a third filter chamber (110) are arranged in the denitration tank (103), and a cleaning water pipe (106) used for cleaning the first filter chamber (108), the second filter chamber (109) and the third filter chamber (110) is further arranged at the top of the denitration tank (103);
the cooling mechanism (2) comprises a sealed refrigerating cabin (201) and a refrigerator (202) arranged on the refrigerating cabin (201), wherein the refrigerating cabin (201) is arranged on one side of the denitration tank (103), a heat exchange tube (204) connected with a tube (3) is arranged inside the refrigerating cabin (201), the tube (3) comprises a conveying tube (301) for conveying brine, and one end of the conveying tube (301) is arranged in the first filtering chamber (108) in a penetrating manner;
the first filtering chamber (108), the second filtering chamber (109) and the third filtering chamber (110) are sequentially arranged from top to bottom, the first filtering chamber (108) is provided with a sleeve (114) connected with a conveying pipe (301), and the water outlet end of the sleeve (114) is provided with a first filtering structure (107);
the centrifugal device comprises a driving assembly and a plurality of detachable mounting seats (117), wherein the mounting seats (117) are arranged around the axis of the second filtering chamber (109), more than two water outlets are arranged on the mounting seats (117), and the water outlets are provided with second filtering structures (116).
2. A filtration device for denitration purification of high salinity brine according to claim 1, wherein: the denitration tank (103) and the holding vessel (104) are coaxial, one side of denitration tank (103) is equipped with filter screen replacement door (101), one side of holding vessel (104) is equipped with access door (102), wherein filter screen replacement door (101) correspond second filtration cavity (109) setting, access door (102) then with filter screen replacement door (101) homonymy setting, still be equipped with cistern (111) and clear liquid calandria (105) in holding vessel (104).
3. A filtration device for denitration purification of high salinity brine according to claim 1, wherein: the water suction pump (402) group (4) comprises a case (401), a water suction pump (402) arranged in the case (401) and a concentration detection module (403), wherein the water suction pump (402) is connected with the conveying pipe (301), and the concentration detection module (403) is used for detecting the concentration of brine.
4. A filtration device for denitration purification of high salinity brine according to claim 1, wherein: a first water outlet (112) is formed between the first filtering chamber (108) and the second filtering chamber (109), a second water outlet (113) is formed between the second filtering chamber (109) and the third filtering chamber (110), and the third filtering chamber (110) is connected with the storage tank (104) through a pipeline.
5. A filtration device for denitration purification of high salinity brine according to claim 1, wherein: the first filtering structure (107) is an active carbon filter screen, and the second filtering structure (116) is a nanofiltration membrane.
6. A filtration device for denitration purification of high salinity brine according to claim 1, wherein: the sleeve (114) is fixedly arranged in the first filtering chamber (108), a movable connecting piece for connecting a driving assembly is arranged at the bottom of the sleeve (114) in an extending mode towards the direction of the second filtering chamber (109), the driving assembly comprises a motor (115) and a transmission shaft, the motor (115) is arranged in the storage tank (104), and the transmission shaft is used for driving the mounting seat (117) to do centrifugal motion along the axis of the second filtering chamber (109).
7. A filtration device for denitration purification of high salinity brine according to claim 1, wherein: the conveying pipe (301) and the cleaning water pipe (106) are both provided with control valves (203), and the control valves (203) are electrically driven.
8. A filtration device for denitration purification of high salinity brine according to claim 4, wherein: the first water outlet (112) and the second water outlet (113) are both provided with automatic opening and closing valves.
CN202320880214.7U 2023-04-19 2023-04-19 Filtering device for high-salinity brine denitration and purification Active CN220345282U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320880214.7U CN220345282U (en) 2023-04-19 2023-04-19 Filtering device for high-salinity brine denitration and purification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320880214.7U CN220345282U (en) 2023-04-19 2023-04-19 Filtering device for high-salinity brine denitration and purification

Publications (1)

Publication Number Publication Date
CN220345282U true CN220345282U (en) 2024-01-16

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CN202320880214.7U Active CN220345282U (en) 2023-04-19 2023-04-19 Filtering device for high-salinity brine denitration and purification

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