CN209835783U - Nanofiltration integrated device for removing hardness of groundwater - Google Patents
Nanofiltration integrated device for removing hardness of groundwater Download PDFInfo
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- CN209835783U CN209835783U CN201920061987.6U CN201920061987U CN209835783U CN 209835783 U CN209835783 U CN 209835783U CN 201920061987 U CN201920061987 U CN 201920061987U CN 209835783 U CN209835783 U CN 209835783U
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Abstract
A nanofiltration integrated device for removing groundwater hardness, comprising: the frame body and the frame body are divided into a security filter fixing area, a membrane shell fixing area and a high-pressure pump fixing area through a support rod, the security filter fixing area and the membrane shell fixing area are respectively arranged on the left side and the right side of the frame body, and the high-pressure pump fixing area is arranged on the right side of the lower part of the membrane shell fixing area; the water outlet pipeline of the security filter in the security filter fixing area is communicated with the water inlet pipeline of the high-pressure pump in the high-pressure pump fixing area, the water outlet pipeline of the high-pressure pump is communicated with the water inlet pipeline of the membrane pressure container in the membrane shell fixing area, and the water inlet and outlet pipelines of the membrane pressure container and the water inlet and outlet of the security filter are respectively provided with a pressure gauge, a flow meter and an online measuring instrument. The advantages are that: the nanofiltration integrated device is designed, so that the movement and the transportation are convenient, the pretreated water is connected into the integrated device only through a lifting pump on site, and the operation is stable; the nanofiltration integrated device has compact structure, convenient operation and management, and is economical and reasonable.
Description
Technical Field
The utility model belongs to the technical field of the water treatment technique and specifically relates to a receive and strain integrated device for getting rid of groundwater hardness.
Background
High hardness in drinking water affects not only the drinkability (taste) of drinking water but also the generation of scale and the reduction of washing effect, so that removal of hardness in water is of great importance to life.
In the existing water treatment method, various devices and structures are arranged in a mess, the occupied area is large, the operation and the management are not easy to be convenient, and the method is not economical and reasonable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a receive integrated device that strains for getting rid of groundwater hardness to solve each equipment structure area big, operation management inconvenient, the production is discontinuous, permanent hardness gets rid of not enough technological problem.
A nanofiltration integrated device for removing groundwater hardness, comprising: the frame body and the frame body are divided into a security filter fixing area, a membrane shell fixing area and a high-pressure pump fixing area through a support rod, the security filter fixing area and the membrane shell fixing area are respectively arranged on the left side and the right side of the frame body, and the high-pressure pump fixing area is arranged on the right side of the lower part of the membrane shell fixing area; the water outlet pipeline of the security filter in the security filter fixing area is communicated with the water inlet pipeline of the high-pressure pump in the high-pressure pump fixing area, the water outlet pipeline of the high-pressure pump is communicated with the water inlet pipeline of the membrane pressure container in the membrane shell fixing area, and the water inlet and outlet pipelines of the membrane pressure container and the water inlet and outlet of the security filter are respectively provided with a pressure gauge, a flow meter and an online measuring instrument;
a flowmeter display board, an electric cabinet and a pressure gauge display board are sequentially arranged on the front end face of the rack body side by side from left to right, the flowmeter display board is used for displaying liquid flow values measured by the flowmeters, and the pressure gauge display board is used for displaying liquid pressure values measured by the pressure gauges; the electric cabinet is used for displaying the voltage and the current of the integrated device, the pH and the conductivity of the liquid measured by the online measuring instrument and the ORP of the inlet water.
The utility model is used for get rid of integrated device that receives of ground water hardness, its advantage is:
1. the nanofiltration integrated device of the utility model is convenient to move and carry, and the field only needs to connect the pretreated water into the integrated device of the utility model through the lift pump, thus the operation is stable;
2. the nanofiltration integrated device of the utility model is connected in series through three membrane pressure containers to remove the hardness of water; the membrane pressure vessel is connected to a security filter before being connected to the membrane pressure vessel, so that the water inlet quality of the membrane pressure vessel is further improved, the flushing and cleaning period is prolonged, and the water inlet recovery rate can be improved by connecting three membrane pressure vessels in series, so that the recovery rate is up to more than 85%;
3. the utility model discloses the integrated device that receives of setting is compact structure, and the operation management is convenient, and economical and reasonable.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
fig. 3 is a schematic front view of the present invention;
fig. 4 is a schematic top view of the present invention;
wherein:
the water supply device comprises a rack body 1, an incoming water interface 1A, a concentrated water interface 1B, a qualified product water outlet interface 1C, an unqualified product water outlet interface 1D, a first interface 1E and a second interface 1F;
a cartridge filter fixing section 2, a cartridge filter 21;
a membrane shell fixing area 3 and a membrane pressure container 31;
a high-pressure pump fixing area 4, a high-pressure pump 41;
a flowmeter display panel 5, an electric cabinet 6 and a pressure gauge display panel 7;
a cleaning water pump fixing area 8 and a cleaning water pump 81;
a washing water pump fixing area 9 and a washing water pump 91.
Detailed Description
A nanofiltration integrated device for removing groundwater hardness, comprising: the frame body 1 and the frame body 1 are divided into a security filter fixing area 2, a membrane shell fixing area 3 and a high-pressure pump fixing area 4 through supporting rods, the security filter fixing area 2 and the membrane shell fixing area 3 are respectively arranged on the left side and the right side of the frame body 1, and the high-pressure pump fixing area 4 is arranged on the right side of the lower portion of the membrane shell fixing area 3; the water outlet pipeline of the cartridge filter 21 in the cartridge filter fixing area 2 is communicated with the water inlet pipeline of the high-pressure pump 41 in the high-pressure pump fixing area 4, the water outlet pipeline of the high-pressure pump 41 is communicated with the water inlet pipeline of the membrane pressure container 31 in the membrane shell fixing area 3, and the water inlet and outlet pipelines of the membrane pressure container 31 and the water inlet and outlet of the cartridge filter 21 are respectively provided with a pressure gauge, a flow meter and an online measuring instrument;
a flowmeter display panel 5, an electric cabinet 6 and a pressure gauge display panel 7 are sequentially arranged on the front end face of the rack body 1 side by side from left to right, the flowmeter display panel 5 is used for displaying liquid flow values measured by the flowmeters, and the pressure gauge display panel 7 is used for displaying liquid pressure values measured by the pressure gauges; the electric cabinet 6 is used for displaying the voltage and the current of the integrated device, the pH and the conductivity of the liquid measured by the online measuring instrument and the ORP of the inlet water.
Preferably, the integrated device further comprises a cleaning water pump fixing zone 8 and a washing water pump fixing zone 9 which are arranged at the lower part of the rack body 1 side by side, wherein the cleaning water pump fixing zone 8 is positioned at the right side of the bottom in the security filter fixing zone 2 and used for placing a cleaning water pump 81; the washing water pump fixing area 9 is positioned on the left side of the bottom in the membrane shell fixing area 3 and used for placing the washing water pump 91;
further, a washing water pump 81 is located below the flowmeter display panel 5; the washing water pump 91 is positioned at the lower part of the electric cabinet 6, and the washing water pump 81 and the washing water pump 91 are fixed on the frame body 1 by screws.
Preferably, the high-pressure pumps 41 in the high-pressure pump fixing area 4 are preferably two and connected in parallel, when the device works, one high-pressure pump 41 is selected according to the pressure condition, and at the moment, the other high-pressure pump 41 is closed; the pressures of the two high-pressure pumps 41 are not the same.
Membrane pressure vessel 31 in membrane shell fixed zone 3 has threely, and from last to series connection down, every membrane pressure vessel 31 has the end of intaking, produce water end and dense water end, the end of intaking is in membrane pressure vessel's one end, produce water end and dense water end at membrane pressure vessel's the other end, product water pipeline is all connected to three membrane pressure vessel's the water end of producing, the membrane pressure vessel's that sets up in the middle of being located the end of intaking is connected rather than the membrane pressure vessel's that upper portion set up dense water end, the membrane pressure vessel's that sets up in the middle dense water end communicates rather than the membrane pressure vessel's that the lower part set up the end of intaking, and the dense water pipeline is connected to the membrane pressure vessel dense water end that is close to 1 bottom of frame body. . After water from the water outlet pipeline of the cartridge filter 21 is sequentially treated by the three membrane pressure containers 31 from top to bottom, concentrated water is discharged through the water discharge pipe, and product water of the three membrane pressure containers 31 is collected in the product water collecting pipe and then discharged.
Furthermore, the pipeline of the integrated device is also provided with a water inlet interface 1A of the conventional process, and the water inlet interface 1A is used for connecting water of the conventional process into the cartridge filter 21;
the concentrated water finally produced by the membrane pressure container 31 is accessed to the outside through a concentrated water interface 1B on a pipeline and is used for irrigating or flushing a toilet;
when the product outlet water of the membrane pressure container 31 is displayed on the electric control cabinet to be qualified, the qualified product outlet water is connected to the outside through a qualified product outlet water interface 1C on the pipeline for drinking or raw water of a flushing pump; discharging the unqualified product effluent to the outside through a product effluent unqualified connector 1D on the pipeline;
the utility model discloses a realize like this:
s1, firstly, opening an air outlet valve at the top of the cartridge filter 21, after the effluent of the pretreatment system is connected into the cartridge filter 21 through the water inlet interface 1A, closing the valve until the effluent at the top overflows, and starting one of the high-pressure pumps 41;
s2, the outlet water of the cartridge filter 21 sequentially enters the three membrane pressure containers 31 arranged from top to bottom through the high-pressure pump 41 started in the step S1 to realize the separation and removal of hardness, and the three membrane pressure containers 31 arranged from top to bottom are connected in series, so that the water yield is higher, and the system desalination rate is more excellent;
s3, the concentrated water produced by the membrane pressure container 31 positioned at the lowest part is connected into an external concentrated water tank (not shown in the figure) through a concentrated water interface 1B and can be used for irrigation or flushing tests, when the conductivity of an instrument panel on an electric control cabinet is qualified after the product water of the three membrane pressure containers 31 is collected, the product water enters the external product water tank (not shown in the figure) through a qualified product water interface 1C and can be used for drinking and device flushing, and the unqualified water is discharged into the concentrated water tank (not shown in the figure) through a unqualified product water interface 1D.
Wherein, the washing step of the washing pump is as follows: one of the high-pressure pumps 41 is closed, the water source of the pretreatment system is closed, the flushing water pump 91 is opened, the product water sequentially passes through the three membrane pressure containers 31 from top to bottom, the flushing pressure is 0.3MPa, and the flushing water volume is 2.5m3H, washing time is 8-10 min. The flushing effluent is discharged through the interface 1D with unqualified product effluent. The rinse water pump 91 is turned off after the rinsing is completed.
A chemical cleaning step: generally, the device needs to be chemically cleaned when the device operates for 3-6 months, the chemical cleaning adopts the operation steps of firstly performing alkali cleaning and then performing acid cleaning, cleaning liquid is prepared in a cleaning water tank in advance, and the alkali cleaning solution is 0.1% (W) NaOH and the acid cleaning solution is 0.2% (W) HCl. When cleaning, other water pumps are firstly closed, the cleaning water pump 81 is started, cleaning liquid enters the three membrane pressure containers 31 from the cleaning water tank through the cleaning water pump 81, and flows back to the cleaning water tank through the first connector 1E and the second connector 1F on the pipeline. The cleaning time is determined according to the degree of contamination, and is generally 1 h. And (4) after the cleaning is finished, closing the cleaning water pump 81, repeating the washing step until the conductivity and the pH value of the effluent are qualified, and then entering the water making step.
The invention is further illustrated below with respect to examples:
in order to verify the effectiveness of the three membrane pressure vessels connected in series for post-treatment of the device except the high hardness of the groundwater source water, tests were carried out under the conditions of water inlet pressure of 0.5MPa, recovery rate of 80 percent and different water inlet hardness (the unit of each water quality index except pH is mg/L):
from the above embodiment, it can be seen that when the total hardness of the inlet water is 400mg/L to 700mg/L, the total hardness of the outlet water is 34.03mg/L to 83.07mg/L, the pH is about 7, and the removal rates of chloride ions and sulfate radicals respectively reach 75% and 93% under the condition that the concentration of chloride ions in the inlet water exceeds the standard, so that the water is healthy water suitable for drinking.
The utility model discloses a what the device mainly solved is that hardness is high (hardness more than 600 mg/L) among the groundwater source, has the quality of water condition that exceeds standard risk simultaneously along with chloride ion, sulfate radical ion.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A integrated device is received to nanofiltration for getting rid of ground water hardness, its characterized in that: the high-pressure pump type filter rack comprises a rack body (1), wherein the rack body (1) is divided into a security filter fixing area (2), a membrane shell fixing area (3) and a high-pressure pump fixing area (4) through a support rod, the security filter fixing area (2) and the membrane shell fixing area (3) are respectively arranged on the left side and the right side of the rack body (1), and the high-pressure pump fixing area (4) is arranged on the right side of the lower part of the membrane shell fixing area (3); the water outlet pipeline of the security filter (21) in the security filter fixing area (2) is communicated with the water inlet pipeline of the high-pressure pump (41) in the high-pressure pump fixing area (4), the water outlet pipeline of the high-pressure pump (41) is communicated with the water inlet pipeline of the membrane pressure container (31) in the membrane shell fixing area (3), and the water inlet and outlet pipelines of the membrane pressure container (31) and the water inlet and outlet of the security filter (21) are respectively provided with a pressure gauge, a flow meter and an online measuring instrument;
a flowmeter display board (5), an electric cabinet (6) and a pressure gauge display board (7) are sequentially arranged on the front end face of the rack body (1) side by side from left to right, the flowmeter display board (5) is used for displaying liquid flow values measured by the flowmeters, and the pressure gauge display board (7) is used for displaying liquid pressure values measured by the pressure gauges; the electric cabinet (6) is used for displaying the voltage and the current of the integrated device, the pH and the conductivity of the liquid measured by the on-line measuring instrument and the ORP of the inlet water.
2. Nanofiltration integrated device for removing hardness from subterranean water according to claim 1, wherein: the integrated device also comprises a cleaning water pump fixing area (8) and a washing water pump fixing area (9) which are arranged at the lower part of the rack body (1) side by side, wherein the cleaning water pump fixing area (8) is positioned at the right side of the bottom in the security filter fixing area (2) and is used for placing a cleaning water pump (81); the washing water pump fixing area (9) is positioned on the left side of the bottom in the membrane shell fixing area (3) and used for placing the washing water pump (91).
3. Nanofiltration integrated device for removing groundwater hardness according to claim 2, wherein: the cleaning water pump (81) is positioned at the lower part of the flowmeter display plate (5); the washing water pump (91) is positioned at the lower part of the electric cabinet (6), and the washing water pump (81) and the washing water pump (91) are fixed on the frame body (1) by screws.
4. Nanofiltration integrated device for removing hardness from subterranean water according to claim 1, wherein: the number of the high-pressure pumps (41) in the high-pressure pump fixing area (4) is two, and the two high-pressure pumps are connected in parallel.
5. Nanofiltration integrated device for removing hardness from subterranean water according to claim 1, wherein: membrane pressure vessel (31) in membrane shell fixed area (3) has threely, and from last series connection extremely down, every membrane pressure vessel (31) has into water the end, product water end and dense water end, it is in membrane pressure vessel's one end to intake the end, product water end and dense water end are at membrane pressure vessel's the other end, product water pipeline is all connected to three membrane pressure vessel's product water end, the membrane pressure vessel's that is located the centre and sets up the end of intaking is connected rather than the membrane pressure vessel's that upper portion set up dense water end, the membrane pressure vessel's that the centre set up dense water end communicates rather than the membrane pressure vessel's that the lower part set up the end of intaking, and the dense water pipeline is connected to the membrane pressure vessel dense water end that is close to frame body (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061987.6U CN209835783U (en) | 2019-01-15 | 2019-01-15 | Nanofiltration integrated device for removing hardness of groundwater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061987.6U CN209835783U (en) | 2019-01-15 | 2019-01-15 | Nanofiltration integrated device for removing hardness of groundwater |
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| CN209835783U true CN209835783U (en) | 2019-12-24 |
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| CN201920061987.6U Active CN209835783U (en) | 2019-01-15 | 2019-01-15 | Nanofiltration integrated device for removing hardness of groundwater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697904A (en) * | 2021-07-30 | 2021-11-26 | 广东碟中碟膜技术有限公司 | Conveniently change DTRO membrane test device of diaphragm |
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2019
- 2019-01-15 CN CN201920061987.6U patent/CN209835783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697904A (en) * | 2021-07-30 | 2021-11-26 | 广东碟中碟膜技术有限公司 | Conveniently change DTRO membrane test device of diaphragm |
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