CN203212372U - ORP (oxidation-reduction potential) balancing system for circulating cooling water - Google Patents
ORP (oxidation-reduction potential) balancing system for circulating cooling water Download PDFInfo
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- CN203212372U CN203212372U CN 201320225661 CN201320225661U CN203212372U CN 203212372 U CN203212372 U CN 203212372U CN 201320225661 CN201320225661 CN 201320225661 CN 201320225661 U CN201320225661 U CN 201320225661U CN 203212372 U CN203212372 U CN 203212372U
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- orp
- cooling water
- recirculated cooling
- equilibrium system
- anechoic sheet
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Abstract
The utility model discloses an ORP (oxidation-reduction potential) balancing system for circulating cooling water. The ORP balancing system comprises an ORP adjustor and an ORP sensor which are in contact with the cooling water, the ORP sensor is connected with an ORP controller, and the ORP controller controls running state of the ORP adjustor on the basis of the ORP sensor. By effects of the ORP adjustor, the ORP balancing system has the advantages that ORP of the circulating cooling water is kept within a set range, microorganisms in the circulating cooling water can be effectively restrained or killed, water quality is guaranteed, and potential risks caused by the microorganisms are effectively avoided; no chemical agent is required during operation, the circulating cooling water cannot be contaminated, sewage discharge capability can be reduced by more than 50%, drained water can directly enter a reclaimed water system, and water resource waste is reduced; operation cost is low, and automatic control can be realized; dirt on a heat exchanger can be eliminated, improvement of operating efficiency of equipment is benefitted, equipment corrosion is reduced, service life of the equipment is prolonged, and investment can be regained within 6-18 months.
Description
Technical field
The utility model relates to a kind of water-purification plant, particularly the ORP equilibrium system of recirculated cooling water.Equilibrium system of the present invention can be applicable to various water purification treatment systems, is specially adapted to the purifying treatment of recirculated cooling water.
Background technology
In air-conditioning system, various occasions such as large-scale chilling unit, thermal power station, need to use water coolant carry out heat exchange.In order to prolong the work-ing life of heat exchanging apparatus, to having relatively high expectations of water coolant, general requirement water cleaning, non-corrosiveness or low-corrosiveness, this requires water coolant to need periodic replacement, in order to avoid the accumulation of the pollutent in the water causes line clogging, corrosion, influence operational efficiency and the work-ing life of heat exchanging apparatus; Meanwhile, in order to reduce running cost, reduce the waste of water resources, in actual motion, what people wished to prolong as much as possible water coolant again recycles number of times (time).For guaranteeing the operational efficiency of equipment, reduce the incrustation of duct wall, after operation for some time, need carry out complicated cleaning operation to equipment, this has reduced operational efficiency virtually.
Recycle water coolant for a long time in order to reach, reduce the disadvantageous effect that water coolant causes equipment simultaneously, prior art generally is by add chemical agent in water coolant, as strong oxidizer, water-softening agent etc., to suppress microorganism, various algae grows particularly reach the purpose of antibacterial scale removal.Cost is higher on the one hand to add chemical reagent, generally is that intermittent type adds, and is difficult to regulate in real time as required; On the other hand, the life-time service effect also can variation, and the corrodibility of water coolant is increased, and equipment, valve and pipeline are caused corrosion, shortens its work-ing life, may cause secondary pollution, the waste water power.
Large-scale central air-conditioning is very important a kind of in numerous use recirculated cooling water equipment, because itself and public health are closely bound up, its application has more strict requirement.The public place centralized air ventilation system hygienic practice (WS394-2012) that April 1 in 2013 came into effect has been pointed out to explicitly call for to the air-supply sanitary index, and is specific as follows:
| Project | Index |
| PM10 | ≤0.15mg/m 3 |
| Total plate count | ≤500CFU/m 3 |
| Total number of fungi | ≤500CFU/m 3/ |
| The β Hemolytic streptococcus | Must not detect |
| Legionella pneumophilia (not as the essential items for inspection of permitting) | Must not detect |
To airduct internal surface sanitary index require as follows:
| Project | Index |
| The laying dust amount | ≤20g/m 2 |
| Total plate count | ≤100CFU/m 2 |
| Total number of fungi | ≤100CFU/m 2 |
Also requirement should regularly be cleaned the following position of central air-conditioning system simultaneously:
A) the annual cleaning of open cooling tower is no less than once;
B) air purification filter material should clean or change once in per six months;
C) air handling unit, surface cooler, heating (wetting) device, condense water disk etc. are annual cleans once.
In addition, when following situation appearred in central air-conditioning system, the reply region of interest was carried out cleaning and sterilizing:
Detect legionella pneumophilia in water coolant, the water of condensation;
The air-supply non-conformity of quality closes the air-supply sanitary index;
Airduct internal surface area dust quantity, total plate count, total number of fungi do not meet airduct internal surface sanitary index.This has higher requirement to central air conditioner system.
In the water-cooled central air conditioner system, recirculated cooling water is the easiest microorganism that grows, and in order to satisfy the requirement of new standard, needs the sanitary condition of further recirculated cooling water.The existing method of adjusting circulating cooling water quality by independent interpolation medicament has been difficult to satisfy the requirement of new standard, needs to cooperate the means such as shortening the cleaning interval just can be up to standard, and this can increase running cost.For this reason, be necessary to develop the circulating cooling water quality regulation system that makes new advances.
The utility model content
The purpose of this utility model is to provide a kind of recirculated cooling water ORP system.
Technical solution adopted in the utility model is:
Recirculated cooling water ORP equilibrium system comprises the ORP setter and the ORP sensor that contact with water coolant, and the ORP sensor links to each other with the ORP controller, with the running status of ORP controller based on ORP sensor control ORP setter.
As further improvement of the utility model, the ORP setter is at least a in electrode and the ozone injection device.
As further improvement of the utility model, the ozone injection device comprises ozonizer, the ozone hold-up vessel that links to each other with ozonizer and the ejector that links to each other with the ozone hold-up vessel, and ejector is provided with magnetic valve.
As further improvement of the utility model, system peripheral has the sound proof housing that surrounds cooling tower and recirculated cooling water ORP equilibrium system, described sound proof housing comprises dismountable bracing frame, dismountable insulating board anchor is fixedly arranged on the bracing frame, insulating board is fixedly arranged around on the insulating board anchor, insulating board anchor top is provided with the anechoic sheet anchor, and anechoic sheet is fixedly arranged on the anechoic sheet anchor.
As further improvement of the utility model, in the space that insulating board and anechoic sheet anchor surround, be provided with Sterilizers.
As further improvement of the utility model, anechoic sheet anchor top is provided with drainage hood.
As further improvement of the utility model, the anechoic sheet of fixing on anechoic sheet anchor shape in the shape of a spiral distributes.
As further improvement of the utility model, the top of sound proof housing is provided with the foreign material separation net.
As further improvement of the utility model, the anechoic sheet anchor is provided with the push rod that can change the anechoic sheet angle of inclination.
The beneficial effects of the utility model are:
ORP equilibrium system of the present utility model by the effect of ORP setter, keeps the redox potential (ORP) of cooling circulating water to maintain in the scope of setting, can suppress or kill the microorganism in the recirculated cooling water body effectively, guarantees water quality,
The potential hazard of effectively having avoided microorganism to cause.The ORP setter can pass through ozone, also can electrode regulating the ORP value of cooling.
ORP equilibrium system of the present utility model, running cost is low, can realize automatic control, does not need storage and adds medicine, thereby can save traditional chemical agent expense, manually add expense.
ORP equilibrium system of the present utility model does not need chemical agent during operation, recirculated cooling water is pollution-free, blowdown can be satisfied environmental requirement fully, and blowdown flow rate reduces more than 50%, and the recirculated cooling water of discharging can directly enter grey water system, can maximally utilise water resources, save considerable water rate.
Because recirculated cooling water ORP equilibrium system of the present utility model is killing microorganisms effectively, thereby can remove dirt on the interchanger, can remove the dirt on the interchanger, help to improve equipment operating efficiency, reduce equipment corrosion, prolong service life of equipment, investment can be regained in 6～18 months.
By silencer cover is set, the noise that produces in the time of can further reducing the operation of ORP equilibrium system and cooling tower helps to reduce sound pollution.
Anechoic sheet anchor top is provided with drainage hood, can will arrange on the air conduction, is conducive to further reduce noise, also can avoid damp-heat air to accumulate in for a long time around the cooling tower, further reduces the possibility of bacteria breed.
The anechoic sheet of fixing on anechoic sheet anchor shape in the shape of a spiral distributes, air that can the row of making forms eddy current, can more effectively small-particles such as dust wherein be taken out of, helps to reduce the interior dirt accumulation of tower, avoid dust to enter in the recirculated cooling water, cause microbial growth.
In addition, the angle by regulating bloop and drainage hood position of opening and drainage hood edge gradient can be regulated the air draft direction easily, and the noise immunity region that noise can be led further reduces the noise of noise sensitive area.
Description of drawings
Fig. 1 is the structural representation of utility model;
Fig. 2 is the structural representation of the utility model sound proof housing;
Fig. 3 is the structural representation at the utility model anechoic sheet anchor place.
Embodiment
Below in conjunction with accompanying drawing, further specify the utility model.
With reference to Fig. 1,2,3, recirculated cooling water ORP equilibrium system comprises the ORP setter and the ORP sensor that contact with water coolant, and ORP sensor 83 links to each other with the ORP controller, with the running status of ORP controller based on ORP sensor control ORP setter.
As further improvement of the utility model, the ORP setter is at least a in electrode and the ozone injection device.
As further improvement of the utility model, the ozone injection device comprises ozonizer 7, the ozone hold-up vessel 8 that links to each other with ozonizer 7 and the ejector 81 that links to each other with ozone hold-up vessel 8, ejector 81 and the running fire of recirculating cooling water system phase, ejector 81 is provided with magnetic valve 82.
In large-scale recirculating cooling water system, can divide section that a plurality of ORP setters and ORP sensor are set, monitor the ORP value of each section in real time and by the ORP controller it is regulated and control, avoid the ORP value in the recirculated cooling water middle and lower reaches water to depart from preset range.
Recirculating cooling water system can be water inlet pipe or the water storage tower of recirculated cooling water.
As further improvement of the utility model, system peripheral has the sound proof housing that surrounds cooling tower and recirculated cooling water ORP equilibrium system, comprise dismountable bracing frame 1, dismountable insulating board anchor 2 is fixedly arranged on the bracing frame 1, insulating board 21 is fixedly arranged around on the insulating board anchor 2, insulating board anchor 2 tops are provided with anechoic sheet anchor 3, and anechoic sheet 31 is fixedly arranged on the anechoic sheet anchor 3, are provided with Sterilizers 4 in the space that insulating board 21 and anechoic sheet anchor 3 surround.
The ultraviolet germicidal that Sterilizers is preferably, ozone type ultraviolet lamp, or ozonizer etc.
As further improvement of the utility model, anechoic sheet anchor 3 tops are provided with drainage hood 5, and further, the top of drainage hood 5 is provided with through hole, make things convenient for gaseous emission and reduce blast.In the actual installation, should be taken into account through hole discharged to, avoid it towards residential building.The height of drainage hood can design as required, if necessary, and can be up to 20m.
As further improvement of the utility model, Sterilizers is sterilizing lamp, and its below is provided be used to preventing the light baffle plate of emission downwards.
As further improvement of the utility model, the anechoic sheet of fixing on the anechoic sheet anchor 3 31 shape in the shape of a spiral distributes.
As further improvement of the utility model, anechoic sheet anchor 3 is provided with the push rod 32 that can change anechoic sheet 31 angles of inclination.
As further improvement of the utility model, the top of sound proof housing is provided with foreign material separation net 6.
During use, the ozone generating-device operation produces ozone, and be stored in the ozone gas-holder, setting program as required, by master control system control jet device interruption or continuously to water body interpolation ozone, preferably, monitor the ORP value of water body in real time by the redox potential sensor, and then the monitor signal of sensor fed back, and then in recirculated cooling water, add ozone targetedly, water body is carried out disinfection, kill microorganism wherein, the ORP value of water body is in the preset range, avoids it to cross low and can't play the effect of sterilization, too highly bring corrosion to equipment.By at ejector magnetic valve being set, can realize automatization filling ozone, guarantee that recirculated cooling water can not enter in the ORP equilibrium system.
ORP equilibrium system of the present utility model can suppress or kill the microorganism in the recirculated cooling water body effectively, guarantees water quality, the potential hazard of effectively having avoided microorganism to cause.
ORP equilibrium system of the present utility model does not need chemical agent, and recirculated cooling water is pollution-free, blowdown can be satisfied environmental requirement fully, and blowdown flow rate reduces more than 50%, and the recirculated cooling water of discharging can directly enter grey water system, can maximally utilise water resources, save considerable water rate.
ORP equilibrium system of the present utility model, running cost is low, can realize automatic control, does not need storage and adds medicine, thereby can save traditional chemical agent expense, manually add expense.
Because recirculated cooling water ORP equilibrium system of the present utility model is killing microorganisms effectively, thereby can remove dirt on the interchanger, can remove the dirt on the interchanger, help to improve equipment operating efficiency, reduce equipment corrosion, prolong service life of equipment, investment can be regained in 6～18 months.
The comparison is as follows:
Economic analysis:
Be example with certain pharmaceutical factory, totally 4 cooling towers, total about 300T of standard ton.
Annotate: 1, the electricity charge are by 0.8 yuan/kWh, and water rate is by 2.99 yuan/T; 2, above-mentioned reducing expenses do not contain the expense that dosing surcharge, overheads, main frame increase the service life and save.
By silencer cover is set, the noise that produces in the time of can further reducing the operation of ORP equilibrium system and cooling tower helps to reduce sound pollution.
Anechoic sheet anchor top is provided with drainage hood, can will arrange on the air conduction, is conducive to further reduce noise, also can avoid damp-heat air to accumulate in for a long time around the cooling tower, further reduces the possibility of bacteria breed.
The anechoic sheet of fixing on anechoic sheet anchor shape in the shape of a spiral distributes, air that can the row of making forms eddy current, can more effectively small-particles such as dust wherein be taken out of, helps to reduce the interior dirt accumulation of tower, avoid dust to enter in the recirculated cooling water, cause microbial growth.
In addition, the angle by regulating bloop and drainage hood position of opening and drainage hood edge gradient can be regulated the air draft direction easily, and the noise immunity region that noise can be led further reduces the noise of noise sensitive area.
Claims (9)
1. recirculated cooling water ORP equilibrium system, it is characterized in that: described equilibrium system comprises ORP setter and the ORP sensor that contacts with water coolant, the ORP sensor links to each other with the ORP controller, with the running status of ORP controller based on ORP sensor control ORP setter.
2. recirculated cooling water ORP equilibrium system according to claim 1 is characterized in that: the ORP setter is at least a in electrode and the ozone injection device.
3. recirculated cooling water ORP equilibrium system according to claim 2, it is characterized in that: the ozone injection device comprises ozonizer, the ozone hold-up vessel that links to each other with ozonizer and the ejector that links to each other with the ozone hold-up vessel, ejector is provided with magnetic valve.
4. according to any described recirculated cooling water ORP equilibrium system of claim 1～3, it is characterized in that: described system peripheral has the sound proof housing that surrounds cooling tower and recirculated cooling water ORP equilibrium system, described sound proof housing comprises dismountable bracing frame, dismountable insulating board anchor is fixedly arranged on the bracing frame, insulating board is fixedly arranged around on the insulating board anchor, insulating board anchor top is provided with the anechoic sheet anchor, and anechoic sheet is fixedly arranged on the anechoic sheet anchor.
5. recirculated cooling water ORP equilibrium system according to claim 4 is characterized in that: be provided with Sterilizers in the space that insulating board and anechoic sheet anchor surround.
6. recirculated cooling water ORP equilibrium system according to claim 4 is characterized in that: be provided with drainage hood above the anechoic sheet anchor.
7. recirculated cooling water ORP equilibrium system according to claim 4 is characterized in that: the anechoic sheet of fixing on anechoic sheet anchor shape distribution in the shape of a spiral.
8. recirculated cooling water ORP equilibrium system according to claim 4, it is characterized in that: the top of sound proof housing is provided with the foreign material separation net.
9. recirculated cooling water ORP equilibrium system according to claim 4, it is characterized in that: the anechoic sheet anchor is provided with the push rod that can change the anechoic sheet angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320225661 CN203212372U (en) | 2013-03-11 | 2013-04-27 | ORP (oxidation-reduction potential) balancing system for circulating cooling water |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320109194.X | 2013-03-11 | ||
| CN201320109194 | 2013-03-11 | ||
| CN 201320225661 CN203212372U (en) | 2013-03-11 | 2013-04-27 | ORP (oxidation-reduction potential) balancing system for circulating cooling water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203212372U true CN203212372U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320225661 Expired - Fee Related CN203212372U (en) | 2013-03-11 | 2013-04-27 | ORP (oxidation-reduction potential) balancing system for circulating cooling water |
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| CN (1) | CN203212372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117198A (en) * | 2018-02-11 | 2018-06-05 | 吉林建筑大学 | A kind of oxidation sterilizing system based on swimming pool recirculated water |
-
2013
- 2013-04-27 CN CN 201320225661 patent/CN203212372U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117198A (en) * | 2018-02-11 | 2018-06-05 | 吉林建筑大学 | A kind of oxidation sterilizing system based on swimming pool recirculated water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160427 |