CN207435197U - A kind of intermediate water reuse system for metal industry cooling system - Google Patents
A kind of intermediate water reuse system for metal industry cooling system Download PDFInfo
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- CN207435197U CN207435197U CN201721233282.5U CN201721233282U CN207435197U CN 207435197 U CN207435197 U CN 207435197U CN 201721233282 U CN201721233282 U CN 201721233282U CN 207435197 U CN207435197 U CN 207435197U
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Abstract
The utility model is related to a kind of intermediate water reuse systems for metal industry cooling system, belong to Treatment of Industrial Water technical field.This intermediate water reuse system includes cooling device, bag filter, manganese sand filter, mixed bed, chelating resin bed, is sequentially connected by pipeline.The raw water of metal industry cooling system is the cooling water containing various metals ion and impurity, by the system step by step by iron ion present in cooling water, calcium ion, magnesium ion removes, the suspended matter in cooling water and particulate matter can also be filtered simultaneously, so as to obtain the cooling water for reaching reuse standard, after a large amount of metal ions in cooling water are removed, just with metal galvanic interaction can not occur for cooling water when in use, reduce the destruction to equipment and metal product, extend the service life of equipment, improve the quality of metal product, also achieving water resource recycles the effect for reducing cost simultaneously, certain guarantee is provided to the protection of environment again.
Description
Technical field
The utility model is related to Treatment of Industrial Water fields, and in particular to a kind of Treated sewage reusing system of metal industry cooling system
System.
Background technology
With the continuous development of society, people to the understanding of metal industry constantly deeply, while to metal industry according to
Bad property is also increasingly stronger, the living standard for developing the raising mankind again and again of metal industry.
Class involved by metal industry is more, while also complex, is broadly divided into ferrous metals industry, has coloured gold
Belong to industry and rare metals industry.In metal industry field, involved most of techniques are required for carrying out high temperature, at high fever
Reason needs corresponding cooling system to carry out cooling processing to equipment and product again after processing, since water has good specific heat capacity,
Good cost performance can be reached, so all being cooled down mostly by the way of water cooling in metal industry.
But a large amount of metal ions can all be contained due to cooling water in itself and after cooling water use, it is big when containing in cooling water
After measuring metal ion, cooling water is like a kind of electrolyte solution, if used again, when this similar electrolyte solution
When cooling water is contacted with equipment or metal product, it is anti-that with the cooling water containing metal ion will primary battery occur for impure metal
Should, more active metal loses electronics and is aoxidized, and comes off from metal master in the form of metal ion in cooling water
In the presence of in cycles, the surface and structure of equipment and metal product will be corroded, so as to not only seriously affect making for equipment
With service life and precision, and appearance to metal product and intensity also bring the influence that can not ignore, and cause not conforming to largely
Lattice product, greatly improve production cost.
Publication No. CN105330004A, a kind of entitled Chinese invention patent of the treatment process of Treated sewage reusing, it is public
A kind for the treatment of process of Treated sewage reusing is opened, the technique is using recirculating water blowdown water as raw water, before the raw water enters reuse water tank
Ozonation aerated processing, oxidation disinfection are carried out, and the ferrous ions in water body are removed and dissolved in water body into ferric ion
Carbon dioxide.Although the invention can go iron ions, removal step is complicated, and removal metal ion is single, can not incite somebody to action
Metal ion beyond iron ion removes.
The content of the invention
The purpose of this utility model is that it in view of the above shortcomings of the prior art, proposes a kind of for metal industry cooling
The intermediate water reuse system of system.
The utility model solve its technical problem the technical solution adopted is that, propose a kind of to be used for metal industry cooling system
Intermediate water reuse system, including pass sequentially through pipeline connection cooling device, bag filter, manganese sand filter, mixed bed, chelating
Resin bed.
Preferably, the cooling device includes cooling column and cooling bay, and the cooling bay, which has, receives cooling column cooling water
Space, cooling pump is equipped in the cooling bay, the cooling pump water outlet is equipped with the pipeline being connected with bag filter.
Preferably, the pipeline connecting mode of the manganese sand filter is bottom in and top out.
Preferably, the pipeline connecting mode of the mixed bed mixed bed is bottom in and top out.
Preferably, the chelating resin bed water outlet is equipped with reuse tank, and being equipped with reuse in the reuse tank pumps.
Preferably, the manganese sand filter water inlet end pipeline is equipped with pH regulating devices.
Preferably, the pH regulating devices include pH detectors and pH controllers, the pH detectors and PH controllers electricity
Connection.
Preferably, the bag filter, manganese sand filter, mixed bed, chelating resin bed are equipped with pressure-display device.
Preferably, the intermediate water reuse system is equipped with group control device, the group control device and intermediate water reuse system electricity
Connection.
Compared with prior art, the utility model has the following advantages that and advantageous effect：
The utility model sets cooling water by cooling device, bag filter, manganese sand filter, mixed bed, chelating respectively
Fat bed step by step removes iron ion present in cooling water, calcium ion, magnesium ion, while also can be by the suspended matter in cooling water
It is filtered with particulate matter, so as to obtain the cooling water for reaching reuse standard, after a large amount of metal ions in cooling water are removed,
Just with metal galvanic interaction can not occur for cooling water when in use, reduce the destruction to equipment and metal product, extend
The service life of equipment, improves the quality of metal product, while also achieves water resource and recycle the effect for reducing cost,
Certain guarantee is provided to the protection of environment again.
Description of the drawings
Fig. 1 is a kind of Treated sewage reusing process flow chart for metal industry cooling system.
In figure：Cooling tower -1, bag filter -2, manganese sand filter -3, mixed bed -4, chelating resin bed -5, cooling bay -6,
Reuse tank -7, cooling pump -8, reuse pump -9, pH regulating devices -10, pH detectors -11, pH controllers -12, cooling device -13.
Specific embodiment
In order to illustrate more clearly of the utility model embodiment and technical solution of the prior art, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.In addition, being related to belonging to for orientation only represents opposite between each component
Position relationship rather than absolute positional relation.
Embodiment
The intermediate water reuse system of metal industry cooling system is used in the present embodiment, including cooling device 13, bag type filtering
Device 2, manganese sand filter 3, mixed bed 4, chelating resin bed 5, and be sequentially connected with by pipeline, cooling water is filled respectively by cooling down
13, bag filter 2, manganese sand filter 3, mixed bed 4, chelating resin bed 5 are put, step by step by iron ion present in cooling water, calcium
Ion, magnesium ion removal, while the suspended matter in cooling water and particulate matter can also be filtered, reach reuse standard so as to obtain
Cooling water.
Since the production district cooling water of metal industry is after production district, after the heat of equipment and metal product is taken away,
The temperature of itself is higher, and the cooling water of high temperature is carried out cooling processing by cooling device 13 in the utility model, specially logical
Water tower 1 is subcooled using air and the heat exchange principle of cooling water, the heat in cooling water is taken away by air, to realize cooling
The condition of water cooling recycling.A cooling bay 6 can be set under cooling tower 1, can preferably hold and be dropped from cooling tower 1
Temperature treated cooling water, greatly increases the cooling surface area of cooling water, can further cool down to cooling water, together
When be alternatively entire technological process and play the role of water flow buffer, the mobility and fluency to entire technique have certain guarantor
Barrier, cooling bay 6 is interior to be equipped with cooling pump 8, can the cooling water after cooling treatment be passed through pipeline to bag filter 2.
Cooling water by cooling processing is delivered to bag filter 2 by cooling pump 8, is removed by bag filter 2
Floating material and particulate matter in cooling water.Bag filter 2 is a kind of new filtration system, by metal inside bag filter 2
Mesh basket supports filter bag, and cooling water is flowed by filter one side, exports and flows out from filter bottom after sock filtration, impurity intercepts
In filter bag, it can be continuing with after replacing filter bag.Bag filter 2 is not only compact-sized, installation operation is simple, floor space compared with
Small, and filtering accuracy is high, suitable for any fine particle or suspended matter, filter area can be from 0.5~200 micron, this technique
Middle to use PTFE＆PVDF two-layer compound new materials, intensity is big, and pressure loss is small, and flow control exists in 0.1m/s, pressure control
1000~1800Pa can select different filtering specifications to be used according to the impurity levels of cooling water, while unit filtering surface
Long-pending processing flow is larger, and filtration resistance is smaller, and filter efficiency is high.One liquid filter bag filtering function be equivalent to filter core 5~
10 times, design discharge can meet 500 cubic metres per hour of requirement, can replace filter bag, easy to operate, mistake in a short time
It can be backwashed, be reused after filter bag dismounting.After filtering, floating material and particulate matter in cooling water are all removed,
Necessary condition is provided for this technique subsequent processing, the filter pressure of subsequent filter device is greatly reduced, added
Filtering velocity degree, while also avoid the blocking of subsequent filter device.
By treated the cooling water of bag filter 2, then by manganese sand filter 3, manganese sand filter 3 is mostly with manganese sand
As filler, and manganese sand has the double action of catalysis and filtering, and cooling water need to pass through Air Exposure, on the one hand Air Exposure is
Increase the dissolved oxygen in water；Second is that removing removing carbon dioxide, to improve the pH value of water, it is more easy to that this oxidation occurs instead at a high ph
Should, it will be oxidized under the action of manganese sand catalyst in water with low price iron ion existing for ionic forms and low price manganese ion insoluble
It in the high price iron compound of water, filters and removes using the absorption of manganese sand, reach with reducing in water the mesh of iron manganese content.Filtration with manganese sand
The selection of 3 filler of device is very important, he is related to the ability of removing of iron and manganese, when the content of the manganese in manganese sand is 30%, manganese sand
Filter 3 can remove the iron iron ion in water removal, if the content of manganese, at 35%, manganese sand filter 3 can be not only removed in water
Iron ion can also remove the manganese ion in water, this technique is existed using manganese sand media using 35% manganese dioxide and 65% diatomite
It being sintered under 600 DEG C of high temperature, grain size is controlled in 1~3mm or so, pressure in 1000~2500Pa, while in manganese sand filter 3
Water inlet end is equipped with pH regulating devices 10, which includes pH detectors 11 and pH controllers 12, when pH detectors 11
Detected value be less than control range 7~8.5 when, pH controllers 12 will be by adding pH adjusting agent to being cooled down in water inlet end pipeline
Water carries out pH adjustings.The control of slack tank flow velocity is less than 5mg/L, backwashes the frequency in 4m/h, effective height in 1~2m, water inlet iron ion
Determined according to influent concentration, when intake iron-holder be 20 milligrams per liter, manganese content is 3 milligrams per liter when, by manganese sand filter 3
After processing, water outlet iron-holder can reach less than 0.3 milligrams per liter, and manganese content can reach less than 0.1 milligrams per liter, removal effect
Fruit is clearly.
By treated the cooling water of manganese sand filter 3, then by mixed bed 4, mixed bed 4 includes exchanging equipped with hydrogen form cation
The cation bed of resin and the anion bed equipped with hydrogen-oxygen type anion exchange resin, Hydrogen sun exchange bed and are used to remove the cation in water；
Hydrogen-oxygen type anion exchange bed is used to remove the anion in water.Cation bed and anion bed are used in combination, it can be by the kind mineral in water
Salt removes substantially, such as calcium salt, magnesium salts, aluminium salt.Strong-acid cation is loaded in order to obtain preferable desalination effect, in cation bed to exchange
Resin, anion bed is generally interior to load strong basic anion-exchange resin, uses XJ-350 type resins in this technique, flow control exists
4m/h, pressure control should be less than 400mg/L, recoil in 1000~2500Pa, resin bed 1~1.5m of effective height, water inlet calcium and magnesium
It washes the regeneration frequency to be determined according to influent concentration, counter-flushing liquid is the solution containing 10% sodium chloride and 5% sodium nitrate.
By treated the cooling water of mixed bed 4, then by chelating resin bed 5, chelating resin bed 5 is a kind of to use chelating resin
As the device of filler, chelating resin is a kind of crosslinking functional polymer material that polygamy position network and object can be formed with metal ion
Material.The mechanism of chelating resin adsorbing metal ions is that with metal ion complexation reaction occurs for the function atom on resin, forms class
Like the rock-steady structure of small molecule chelate, and the mechanism of ion exchange resin absorption is electrostatic interaction, therefore, with amberlite
The combination power of lipid phase ratio, chelating resin and metal ion is stronger, and selective also higher can be widely applied to each metal ion species
Recycling separation.The SCCJ-1156 type resins that this technique uses, in 4m/h, pressure is controlled in 1000~2500Pa, tree flow control
Fat bed 1~1.5m of effective height, bivalent metal ion of intaking, such as zinc, chromium, nickel should control less than 20mg/L, regenerate the frequency
It being determined according to influent concentration, regeneration washing lotion is to impregnate 20~60min containing the solution of 5% sulfuric acid and 2% nitric acid, then with containing 10%
The solution of sodium hydroxide and 5% potassium hydroxide carry out impregnate displacement regeneration 20~60min, finally with clear water backwash 10~
30min。
Successively after cooling tower 1, cooling bay 6, bag filter 2, manganese sand filter 3, mixed bed 4, chelating resin bed 5,
It is conveyed, the cooling water introducing reuse tank 7 for meeting reuse requirement that is disposed in case reusing by pump 8.
In the entire system be equipped with group control system, the group control system can in control system flow velocity, pressure, valve opening
It is adjusted, while the state in whole system can also be monitored in real time, such as the flow velocity of each unit, pressure, pH value etc., it is convenient for
In regular maintenance and control.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (9)
1. a kind of intermediate water reuse system for metal industry cooling system, it is characterised in that：
Cooling device including passing sequentially through pipeline connection（13）, bag filter（2）, manganese sand filter（3）, mixed bed（4）, chela
Resin bed（5）.
2. a kind of intermediate water reuse system for metal industry cooling system according to claim 1, it is characterised in that：
The cooling device includes cooling column（1）And cooling bay（6）, the cooling bay（6）With reception cooling column（1）Cooling water
Space, the cooling bay（6）It is interior to be equipped with cooling pump（8）, the cooling pump（8）Water outlet is equipped with and bag filter（2）Even
The pipeline connect.
3. a kind of intermediate water reuse system for metal industry cooling system according to claim 1, it is characterised in that：
The manganese sand filter（3）Pipeline connecting mode be bottom in and top out.
4. a kind of intermediate water reuse system for metal industry cooling system according to claim 1, it is characterised in that：
The mixed bed（4）Pipeline connecting mode be bottom in and top out.
5. a kind of intermediate water reuse system for metal industry cooling system according to claim 1, it is characterised in that：
The chelating resin bed（5）Water outlet is equipped with reuse tank（7）, the reuse tank（7）It is interior to be equipped with reuse pump（9）.
6. a kind of intermediate water reuse system for metal industry cooling system according to claim 1, it is characterised in that：
The manganese sand filter（3）Water inlet end pipeline is equipped with pH regulating devices（10）.
7. a kind of intermediate water reuse system for metal industry cooling system according to claim 6, it is characterised in that：
The pH regulating devices（10）Including pH detectors（11）With pH controllers（12）, the pH detectors（11）It is controlled with pH
Device（12）Electrical connection.
8. a kind of intermediate water reuse system for metal industry cooling system according to claim 1, it is characterised in that：
The bag filter（2）, manganese sand filter（3）, mixed bed（4）, chelating resin bed（5）It is equipped with pressure-display device.
9. a kind of intermediate water reuse system for metal industry cooling system according to claim 1, it is characterised in that：
The intermediate water reuse system is equipped with group control device, and the group control device is electrically connected with the intermediate water reuse system.
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| CN201721233282.5U CN207435197U (en) | 2017-09-25 | 2017-09-25 | A kind of intermediate water reuse system for metal industry cooling system |
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| CN201721233282.5U CN207435197U (en) | 2017-09-25 | 2017-09-25 | A kind of intermediate water reuse system for metal industry cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811691A (en) * | 2020-12-31 | 2021-05-18 | 重庆华捷地热能开发有限公司 | Production method of hot spring direct drinking water capable of retaining beneficial trace elements |
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2017
- 2017-09-25 CN CN201721233282.5U patent/CN207435197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811691A (en) * | 2020-12-31 | 2021-05-18 | 重庆华捷地热能开发有限公司 | Production method of hot spring direct drinking water capable of retaining beneficial trace elements |
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