CN219807867U - Concentrated water recycling system for circulating water - Google Patents
Concentrated water recycling system for circulating water Download PDFInfo
- Publication number
- CN219807867U CN219807867U CN202321139269.9U CN202321139269U CN219807867U CN 219807867 U CN219807867 U CN 219807867U CN 202321139269 U CN202321139269 U CN 202321139269U CN 219807867 U CN219807867 U CN 219807867U
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- China
- Prior art keywords
- water
- concentrated
- concentrated water
- water tank
- exchange resin
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000004064 recycling Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000008234 soft water Substances 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003729 cation exchange resin Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000008235 industrial water Substances 0.000 abstract description 11
- -1 iron ions Chemical class 0.000 abstract description 8
- 230000001502 supplementing effect Effects 0.000 abstract description 8
- 239000010865 sewage Substances 0.000 abstract description 4
- 238000010979 pH adjustment Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 238000001223 reverse osmosis Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000002455 scale inhibitor Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 239000003899 bactericide agent Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Abstract
The utility model discloses a recycling system for concentrated water of circulating water, which comprises a concentrated water tank, a concentrated water pump, an iron removal filter, an exchange resin column, a soft water tank, a soft water pump and a mixer which are sequentially connected, wherein the concentrated water tank is connected with a concentrated water inlet pipe of a circulating water station, and the mixer is provided with a dilute sulfuric acid inlet pipe and an evaporation cold water supplementing outlet pipe which are connected. The concentrated water tank is used for collecting sewage concentrated water of the circulating water station, the concentrated water removes iron ions through the iron removal filter, the concentrated water obtains soft water through the exchange resin column, the soft water is subjected to pH adjustment in the mixer, the pH value of the soft water is adjusted to be 7.5-8.5, and the produced soft water is conveyed to the evaporative cooling system to replace industrial water for water supplement. The utility model has the advantages of short flow, less equipment, low running cost and the like.
Description
Technical Field
The utility model relates to the technical field of recycling water, in particular to a recycling system for concentrated water of circulating water.
Background
The open cooling circulating water and ice machine evaporation cooling system takes away heat by adopting a water evaporation heat absorption principle, the concentration multiple is controlled according to the total alkalinity and the total hardness in industrial water supplementing water, the total hardness and the total alkalinity are ensured to be less than or equal to 1100mg/l, concentrated water pollution discharge is carried out, the primary utilization rate of the industrial water supplementing water is 75%, hardness ions such as calcium, magnesium and the like in the concentrated water are removed mainly through a reverse osmosis membrane in the current industry and are returned to a circulating water station for utilization, the industrial water utilization rate is improved to more than 90%, water resources are saved, and part of enterprises abandon recovery due to high investment and high operation cost of reverse osmosis recycling equipment, adopt standard emission and are unfavorable for water resource saving.
The reverse osmosis process includes the steps of delivering concentrated circulating water into a buffer tank, adding PH regulator, scale inhibitor, bactericide and other agents into the buffer tank for pretreatment, uniformly mixing, delivering the mixture to a security filter through a booster pump, filtering the mixture, delivering the filtered mixture to a high-pressure pump for boosting, delivering the filtered mixture to a Reverse Osmosis (RO) membrane, returning low-salt water produced to a circulating water system for recycling, and delivering the concentrated water to environmental protection treatment.
The prior art mainly has the following problems:
1) The reverse osmosis recovery process is complex, and the investment cost of the device is high. The device comprises pretreatment dosing equipment, a multi-medium filter, an ultrafiltration membrane component, a security filter, a booster pump, a high-pressure pump, a reverse osmosis membrane component and other equipment and factory building construction cost.
2) The reverse osmosis device has high running cost. The cost of PH regulator, bactericide, scale inhibitor and other medicines, the cost of booster pump and high-pressure pump operation electric energy consumption and the like are needed.
3) Industrial water is used in the ice machine evaporation cooling system, and as the temperature of the ice machine exhaust is high, the temperature difference between the partition walls of the heat exchange tube is large, and scaling is easy.
Disclosure of Invention
The utility model aims to solve the problems of large investment and high running cost of the existing process equipment, and provides a circulating water concentrated water recycling system, wherein a concentrated water tank is used for collecting sewage concentrated water of a circulating water station, the concentrated water is used for removing iron ions through an iron removal filter, soft water is obtained through an exchange resin column, the pH value of the soft water is adjusted in a mixer to be 7.5-8.5, and the produced soft water is conveyed to an evaporative cooling system to replace industrial water for supplementing water. The utility model has the advantages of short flow, less equipment, low running cost and the like.
The utility model aims at realizing the following technical scheme:
the utility model provides a circulating water dense water recycle system, includes continuous dense water tank, dense water pump, deironing filter, exchange resin post, soft water tank, soft water pump and the blender in proper order, dense water tank links to each other with circulating water station dense water inlet tube, be provided with dilute sulfuric acid on the blender and advance the pipe and evaporate cold water compensation exit tube and link to each other.
Preferably, the iron removal filter includes a filter body and a combined packing disposed in the filter body. The combined filler is a manganese sand and quartz sand combined filler, iron ions in the concentrated water are removed, and the exchange resin is protected.
Preferably, the exchange resin column comprises an exchange column and a cation exchange resin disposed within the exchange column. And removing calcium-magnesium ions and other hardness ions in the concentrated water to produce softened water.
Preferably, a cooling tower is arranged between the exchange resin column and the soft water tank.
Preferably, the soft water tank is also provided with a PH digital sensor.
Preferably, the concentrated water tank and the soft water tank are both provided with liquid level meters.
Preferably, the iron removal filter and the exchange resin column adopt lower-end feeding and upper-end discharging.
The beneficial effects of this technical scheme are as follows:
1. the concentrated water tank is used for collecting sewage concentrated water of a circulating water station, iron ions are removed from the concentrated water through the iron removal filter, soft water is obtained through the exchange resin column, the pH value of the soft water is adjusted to be 7.5-8.5 in the mixer, and the produced soft water is conveyed to the evaporative cooling system to replace industrial water for water supplement. The utility model has the advantages of short flow, less equipment, low running cost and the like.
2. The utility model provides a recycling system for concentrated water of circulating water, which uses manganese sand and quartz sand combined filler to remove iron ions in the concentrated water and protect exchange resin in an exchange resin column.
3. The utility model provides a recycling system for concentrated water of circulating water, which is filled with cation exchange resin to remove hardness ions such as calcium and magnesium in the concentrated water and produce softened water.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present utility model;
wherein: 1. a concentrate tank; 11. a concentrated water inlet pipe of the circulating water station; 2. a concentrate pump; 3. an iron removal filter; 31. a filter body; 32. a combined filler; 4. exchange resin column; 41. an exchange column; 42. a cation exchange resin; 5. a soft water tank; 6. A soft water pump; 7. a mixer; 71. a dilute sulfuric acid inlet pipe; 72. an evaporation cold water supplementing outlet pipe; 8. a cooling tower; 9. a level gauge.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
It is noted that when an element is referred to as being "mounted," "secured," or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, and down are merely relative concepts or references to normal use states of the product, and should not be construed as limiting.
Example 1
As shown in fig. 1, the recycling system for the concentrated water of the circulating water comprises a concentrated water tank 1, a concentrated water pump 2, an iron removal filter 3, an exchange resin column 4, a soft water tank 5, a soft water pump 6 and a mixer 7 which are sequentially connected, wherein the concentrated water tank 1 is connected with a concentrated water inlet pipe 11 of a circulating water station, and the mixer 7 is provided with a dilute sulfuric acid inlet pipe 71 and an evaporation cold water supplementing outlet pipe 72 which are connected. The concentrated water tank 1 is used for collecting sewage concentrated water of a circulating water station, the concentrated water removes iron ions through the iron removal filter 3, the concentrated water is subjected to soft water through the exchange resin column 4, the soft water is subjected to pH adjustment in the mixer 7, the pH value of the softened water is adjusted to be 7.5-8.5, and the produced softened water is conveyed to the evaporative cooling system to replace industrial water for supplementing water. The utility model has the advantages of short flow, less equipment, low running cost and the like.
Example 2
As shown in fig. 2, this embodiment differs from embodiment 1 in that: the iron removal filter 3 includes a filter body 31 and a combined packing 32 provided in the filter body 31. The combined filler 32 is a manganese sand and quartz sand combined filler, and is used for removing iron ions in the concentrated water and protecting the exchange resin.
Wherein the exchange resin column 4 comprises an exchange column 41 and a cation exchange resin 42 disposed in the exchange column 41. And removing calcium-magnesium ions and other hardness ions in the concentrated water to produce softened water.
Wherein a cooling tower 8 is arranged between the exchange resin column 4 and the soft water tank 5. The cooling tower 8 is an existing device such as the cooling tower disclosed in the grant publication No. CN 217131892U.
The soft water tank 5 is further provided with a PH digital sensor, the PH digital sensor can rapidly look into the PH value in the soft water tank 5, and the feeding amount of sulfuric acid in the mixer 7 is convenient to adjust.
Wherein, the concentrated water tank 1 and the soft water tank 5 are provided with a liquid level meter 9.
Wherein, the iron removal filter 3 and the exchange resin column 4 adopt lower-end feeding and upper-end discharging.
The working process of the utility model comprises the following steps:
in the first step, concentrated water in the concentrated water tank 1 is sent to the iron removal filter 3 through the concentrated water inlet pipe 11 of the circulating water station, and iron ions and suspended matters in the concentrated water are removed through oxidization, adsorption and backwashing, so that clean concentrated water of the circulating water is obtained.
And secondly, enabling the water produced by the iron removal filter 3 to enter the exchange resin column 4, and removing hardness ions in the concentrated water to obtain softened water.
And thirdly, the softened water passes through a cooling tower 8 to cool down the softened water.
And fourthly, adding a PH regulator into the mixer 7 through a dilute sulfuric acid inlet pipe 71, and regulating the PH value of the softened water to be 7.5-8.5.
And fifthly, conveying the produced softened water to an evaporative cooling system to replace industrial water for supplementing water.
The utility model has the following advantages:
1. the method has the advantages of short flow, less equipment, no need of ultrafiltration membrane components, security filters, reverse osmosis membrane components and other facilities compared with the reverse osmosis treatment scheme, and the method can remove metal ions such as iron, calcium, magnesium and the like which have key influences on a circulating cold water system, the system pressure is far lower than the requirement of the reverse osmosis membrane, a high-pressure pump is not needed, and the occupied area and the construction area of the device are smaller than those of the reverse osmosis recovery device, so that the overall investment and construction cost is lower than that of the reverse osmosis recovery technology.
2. The treatment process does not need to add scale inhibitor, bactericide and other medicaments, has no power consumption for operating a high-pressure pump, and has the operation cost far lower than that of a reverse osmosis recovery technology.
3. The softened water is sent to the ice machine to evaporate and cool to replace industrial water, so that the consumption of the industrial water is reduced, and the problem that the partition wall temperature difference of the evaporation cold pipe bundle is large and scaling is easy is solved.
4. The method has no influence on the concentration of the corrosion and scale inhibitor in the treatment process, and the corrosion and scale inhibitor is not required to be added in the evaporation and cold running process of the ice machine, so that the cost of water treatment medicaments is saved.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a circulating water dense water recycle system which characterized in that: including continuous dense water tank (1), dense water pump (2), deironing filter (3), exchange resin post (4), soft water tank (5), soft water pump (6) and blender (7) in proper order, dense water tank (1) links to each other with circulating water station dense water inlet tube (11), be provided with on the blender (7) dilute sulfuric acid inlet tube (71) and evaporation cold water compensation exit tube (72) link to each other.
2. The system for recycling concentrated circulating water according to claim 1, wherein: the iron removal filter (3) comprises a filter body (31) and a combined packing (32) arranged in the filter body (31).
3. The system for recycling concentrated circulating water according to claim 1, wherein: the exchange resin column (4) comprises an exchange column (41) and a cation exchange resin (42) arranged in the exchange column (41).
4. The system for recycling concentrated circulating water according to claim 1, wherein: a cooling tower (8) is arranged between the exchange resin column (4) and the soft water tank (5).
5. The system for recycling concentrated circulating water according to claim 1, wherein: and a PH digital sensor is also arranged on the soft water tank (5).
6. The system for recycling concentrated circulating water according to claim 1, wherein: the concentrated water tank (1) and the soft water tank (5) are both provided with a liquid level meter (9).
7. The system for recycling concentrated circulating water according to claim 1, wherein: the iron removal filter (3) and the exchange resin column (4) adopt lower-end feeding and upper-end discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321139269.9U CN219807867U (en) | 2023-05-12 | 2023-05-12 | Concentrated water recycling system for circulating water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321139269.9U CN219807867U (en) | 2023-05-12 | 2023-05-12 | Concentrated water recycling system for circulating water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219807867U true CN219807867U (en) | 2023-10-10 |
Family
ID=88214399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321139269.9U Active CN219807867U (en) | 2023-05-12 | 2023-05-12 | Concentrated water recycling system for circulating water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219807867U (en) |
-
2023
- 2023-05-12 CN CN202321139269.9U patent/CN219807867U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |