CN206308172U - A kind of chlorine residue degeneration system - Google Patents
A kind of chlorine residue degeneration system Download PDFInfo
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- CN206308172U CN206308172U CN201621459667.9U CN201621459667U CN206308172U CN 206308172 U CN206308172 U CN 206308172U CN 201621459667 U CN201621459667 U CN 201621459667U CN 206308172 U CN206308172 U CN 206308172U
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- active carbon
- carbon filter
- reducing agent
- plc
- chemicals dosing
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Abstract
The utility model is on a kind of chlorine residue degeneration system, including programmable logic controller (PLC) PLC, online residual chlorine monitoring instrument, the active carbon filter and reducing agent chemicals dosing plant that are sequentially communicated by hydraulic pipeline, the online residual chlorine monitoring instrument is arranged on the hydraulic pipeline between the reducing agent chemicals dosing plant and next stage purifier, communication connection, communication connection between the PLC and reducing agent chemicals dosing plant between the PLC and online residual chlorine monitoring instrument.The utility model is able to ensure that when active carbon filter failure; when carrying out filter material replacement; chlorine residue in water is degraded by reducing agent chemicals dosing plant; so as to avoid the product water for not meeting inflow requirement from entering counter-infiltration system from active carbon filter, while the problem for causing production cost to improve because pretreatment system is shut down can also be avoided.
Description
Technical field
The utility model is related to the reverse osmosis pretreatment field of drinking water, more particularly to a kind of chlorine residue degeneration system.
Background technology
In water treatment field, pure water production line generally comprises pretreatment system, counter-infiltration system, the rear place being sequentially connected
Reason system, five parts of purging system and electric control system.Wherein, counter-infiltration system is the major part of pure water production line,
It is also cost highest part in pure water production line.Extend counter-infiltration from the angle of the water quality for improving counter-infiltration system water inlet
The service life of system host and reverse osmosis membrane, is an effective scheme.And the water quality of counter-infiltration system water inlet is main by advance
The performance of reason system determines, therefore, the performance for improving pretreatment system has great importance to protection counter-infiltration system.
It is common in the art, it is necessary to being directed to different water quality carries out pretreatment system design in water treatment system
Referring to accompanying drawing 1, as shown in Figure 1, pretreatment system of the prior art mainly includes pretreatment system：It is sequentially connected by pipeline
More medium filter, active carbon filter and demineralizer.More medium filter carries out preliminary mechanical filter, activated carbon filtering
Device can further remove the impurity such as chlorine residue, organic matter and the suspension during more medium filter produces water, and demineralizer is used for removing
The hardness of water, obtains drinkable soft water.Wherein, active carbon filter has very strong suction-operated, example to chlorine residue in water
Such as：When chlorine residue of intaking is less than 1ppm, produces water chlorine residue and be less than 0.1ppm.The active carbon filter chemical adsorption good to chlorine residue
It is enough to improve water supply conditions well, so that it is guaranteed that the influent quality of counter-infiltration system.In pure water production process, when monitoring activity
When the product water of carbon filter is unable to reach the influent quality requirement of counter-infiltration system, staff needs to stop equipment, changes
The filtrate of active carbon filter, changes operation of being started shooting again after finishing.
However, pretreatment system of the prior art, due to active carbon filter to the adsorption capacity of chlorine residue in water with
The extension of time, has different degrees of decrease, and adsorption effect also declines therewith, when monitoring finds active carbon filter output
Water quality can not be met when requiring, it is necessary to close pretreatment system, and goes to change filtrate, now can some do not meet will into water
The product water asked enters demineralizer from active carbon filter by pipeline, and softened device enters counter-infiltration system, therefore is unsatisfactory for
It is required that water inlet can serious infringement be caused to counter-infiltration system.Simultaneously as needing to allow whole equipment to shut down, inevitably result in
Production cost is improved.
Utility model content
To overcome problem present in correlation technique, the utility model provides a kind of chlorine residue degeneration system.
A kind of chlorine residue degeneration system, including PLC (Programmable Logic Controller, Programmable logical controller
Device), online residual chlorine monitoring instrument, the active carbon filter and reducing agent chemicals dosing plant that are sequentially communicated by hydraulic pipeline, it is described
Line residual chlorine monitoring instrument is arranged on the hydraulic pipeline between reducing agent chemicals dosing plant and next stage purifier, the PLC with
Communication connection, communication connection between the PLC and reducing agent chemicals dosing plant between line residual chlorine monitoring instrument.
Preferably, the reducing agent chemicals dosing plant includes：Dissolving case, measuring pump and multiple ball valves；
The dissolving case is provided with water inlet and delivery port, and the water inlet is communicated to external running water by the first ball valve
Pipe, the delivery port is communicated to the measuring pump by the second ball valve；
The measuring pump is arranged on the pipeline between the delivery port and the hydraulic pipeline, is set on the measuring pump
There are metering pump intake and metering pump discharge, the metering pump intake is connected by second ball valve with the delivery port, described
Metering pump discharge is connected by the 3rd ball valve with the hydraulic pipeline, is communicated to connect between the measuring pump and PLC.
Preferably, the reducing agent chemicals dosing plant also includes agitator, and the agitator is arranged inside the dissolving case.
Preferably, the active carbon filter is full-automatic active carbon filter, is set at the top of the active carbon filter
Full-automatic banked direction control valves is equipped with, the active carbon filter is connected by the full-automatic banked direction control valves with the hydraulic pipeline, described
It is full-automatic to be communicated to connect between banked direction control valves and PLC.
Preferably, inlet gage is provided with the water inlet end of the active carbon filter, the active carbon filter
Discharge pressure table is provided with water side.
The technical scheme that embodiment of the present utility model is provided can include the following benefits：A kind of chlorine residue degraded system
System, including PLC, online residual chlorine monitoring instrument, the active carbon filter and reducing agent chemicals dosing plant that are sequentially communicated by hydraulic pipeline,
The online residual chlorine monitoring instrument is arranged on the hydraulic pipeline between the reducing agent chemicals dosing plant and next stage purifier, institute
State communication connection between PLC and online residual chlorine monitoring instrument, communicated to connect between the PLC and reducing agent chemicals dosing plant.This practicality
It is new by setting reducing agent chemicals dosing plant and PLC, it is ensured that when carrying out filter material replacement to active carbon filter, by reducing agent dosing
Device is degraded to chlorine residue in water, and the switching worked between active carbon filter and reducing agent chemicals dosing plant is by may be programmed
Logic controller PLC is flexibly controlled, therefore, it is possible to avoid the product water for not meeting inflow requirement from entering anti-from active carbon filter
Osmosis system such that it is able to counter-infiltration system is protected in terms of influent quality.Simultaneously as active carbon filter fails and changes
During filtrate, reducing agent chemicals dosing plant is worked at once, middle seamless overlap joint, therefore the utility model can also be avoided because of pretreatment system
The problem that system is shut down and causes production cost to improve.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The utility model can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets of the present utility model
Embodiment, and be used to explain principle of the present utility model together with specification.
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of pretreatment system in the prior art；
A kind of structural representation of chlorine residue degeneration system that Fig. 2 is provided for the utility model embodiment；
A kind of detailed construction schematic diagram of chlorine residue degeneration system that Fig. 3 is provided for the utility model embodiment.
Symbol is represented：
The online residual chlorine monitoring instrument of 1-PLC, 2-, 3- hydraulic pipelines, 4- active carbon filters, 5- reducing agents chemicals dosing plant, 6-
Inlet gage, 7- discharge pressures table, the full-automatic banked direction control valves of 41-, 51- dissolvings case, 52- measuring pumps, the ball valves of 53- first, 54- the
Two ball valves, the ball valves of 55- the 3rd, 56- agitators, 511- water inlets, 512- delivery ports, 521- meterings pump intake, 522- measuring pumps
Outlet.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent all implementation methods consistent with the utility model.Conversely, they be only with such as
The example of the consistent apparatus and method of some aspects being described in detail in appended claims, of the present utility model.
Chlorine residue is a kind of effective sterilizing material in water process, is used by the water factory in the world more than 80%, but
It is that excessive chlorine residue can injure nervous system, digestive system and skin of human body etc., there is carcinogenic, mutagenesis to human body,
Therefore chlorine residue excessive in water is degraded, remove it is necessary.The utility model is to be arranged at more medium filter and soft
Change the chlorine residue degeneration system between device, water treatment system is collectively constituted by more medium filter, chlorine residue degeneration system and demineralizer
In pretreatment system.Chlorine residue degeneration system in the utility model instead of be arranged in the prior art more medium filter and
Active carbon filter between demineralizer.
Referring to Fig. 2, Fig. 2 is a kind of chlorine residue degraded system that the utility model embodiment is provided to basic structure of the present utility model
The structural representation of system.As shown in Figure 2, the utility model mainly includes 4 parts：PLC1, online residual chlorine monitoring instrument 2, pass through
Active carbon filter 4 and reducing agent chemicals dosing plant 5 that hydraulic pipeline 3 is sequentially communicated.
Active carbon filter has very strong suction-operated to the chlorine residue in water, as water inlet chlorine residue ＜ 1ppm, produces more than water
Chlorine ＜ 0.1ppm.Using the initial stage, the adsorption effect of active carbon filter is very high, but the time one is grown, the adsorption capacity of activated carbon
Different degrees of decay is had, adsorption effect declines therewith, the product water of pretreatment system can be caused not meet counter-infiltration system
Inflow requirement, therefore shorten counter-infiltration system service life.In the utility model, reducing agent chemicals dosing plant 5 and next stage
Online residual chlorine monitoring instrument 2 is provided with hydraulic pipeline 3 between purifier, i.e.,：Online residual chlorine monitoring instrument is arranged at reducing agent
Between chemicals dosing plant 5 and demineralizer, communicated to connect between online residual chlorine monitoring instrument 2 and PLC1.Online residual chlorine monitoring instrument 2 can be real
When monitoring active carbon filter 4 product water chlorine residue, and real-time Transmission is to PLC1.
When online residual chlorine monitoring instrument 2 monitors to produce water chlorine residue ＜ 0.1ppm, PLC1, online residual chlorine monitoring instrument 2 and activity
Carbon filter 4 works, and reducing agent chemicals dosing plant 5 does not start.
When online residual chlorine monitoring instrument 2 monitors to produce water chlorine residue ＞ 0.1ppm, active carbon filter 4 fails, online chlorine residue
Monitor 2 sends alarm, notifies that staff changes filtrate to active carbon filter 4, and active carbon filter 4 is stopped.Together
When, online residual chlorine monitoring instrument 2 is real-time data transmission to PLC1.PLC1 controls reducing agent chemicals dosing plant 5 to start working immediately.
This structure design, it can be ensured that when carrying out filter material replacement to active carbon filter 4, reducing agent chemicals dosing plant 5 pairs
Chlorine residue is degraded in water, and, can be in Programmable logical controller between active carbon filter 4 and reducing agent chemicals dosing plant 5
Flexible switch operating under the control of device PLC1, it is to avoid to active carbon filter 4 change filter core during cannot to intake into
The situation of row chlorine residue treatment, therefore, it is possible to avoid the product water for not meeting inflow requirement from entering counter-infiltration system from active carbon filter 4
System.
Referring to Fig. 3, Fig. 3 shows that a kind of detailed construction of chlorine residue degeneration system that the utility model embodiment is provided is illustrated
Figure.From the figure 3, it may be seen that reducing agent chemicals dosing plant 5 includes dissolving case 51, measuring pump 52 and multiple ball valves.It is provided with dissolving case 51
Water inlet 511 and delivery port 512, water inlet 511 are communicated to external running water pipe by the first ball valve 53, and delivery port 512 passes through
Second ball valve 54 is communicated to measuring pump 52.Measuring pump 52 in the utility model is arranged between delivery port 512 and hydraulic pipeline 3
Pipeline on, be provided with measuring pump 52 metering pump intake 521 and metering pump discharge 522, metering pump intake 521 pass through the second ball
Valve 54 is connected with delivery port 512, and the metering pump discharge 522 is connected by the 3rd ball valve 55 with the hydraulic pipeline 3, the meter
Communicated to connect between amount pump 52 and PLC1.
When online residual chlorine monitoring instrument 2 monitors to produce water chlorine residue ＞ 0.1ppm, PLC1 control active carbon filters 4 stop work
Make, while PLC1 control reducing agents chemicals dosing plant 5 is started working.Now, staff to dissolving case 51 in deliver appropriate Asia
Niter cake reducing agent.Generally, the sodium hydrogensulfite reducing agent of 1.47ppm can reduce the chlorine residue of 1ppm.This practicality
New use running water configures sodium hydrogensulfite reducing agent, and the solution for having configured dissolves in case 51 is dissolved and finishes, by metering
Pump 52 is delivered in hydraulic pipeline 3, so that the free chlorine residual in reductive water.
It can be seen from Fig. 3, the inside for dissolving case 51 is additionally provided with agitator 56, and agitator 56 can make sodium hydrogensulfite also
Former agent is dissolved in running water more quickly, so as to be conducive to chlorine residue in system fast degradation water.
Active carbon filter 4 in the utility model is full-automatic active carbon filter, and its top is provided with full-automatic many
Road valve 41, active carbon filter 4 is connected by full-automatic banked direction control valves 41 with hydraulic pipeline 3, full-automatic banked direction control valves 41 and PLC1 it
Between communicate to connect.When chlorine residue is less than 0.1ppm during online residual chlorine monitoring instrument 2 monitors water, PLC1 control reducing agent chemicals dosing plants
5 are stopped, while PLC1 controls full-automatic banked direction control valves 41 to start, active carbon filter 4 is started working.
Chlorine residue degeneration system in the utility model also includes being arranged at the influent pressure at the water inlet end of active carbon filter 4
Power table 6, and it is arranged at the discharge pressure table 7 at the water side of active carbon filter 4.When whole pretreatment system works, with
Impurity constantly to be built up in active carbon filter 4, the pressure loss of active carbon filter 4 constantly increases, when activated carbon filtering
, it is necessary to carry out backwash to active carbon filter 4 when the intake pressure and discharge pressure difference of device 4 reach 0.07Mpa-0.1Mpa.
So-called backwash, that is, the water reverse flow allowed in pipeline, the method that deposit in water is removed by the reverse flow of current.This reality
Inlet gage 6 and discharge pressure table 7 are provided with new, operating personnel can be made to grasp active carbon filter 4 at any time
Influent pressure force value and water outlet pressure force value, when water inlet and water outlet pressure difference are undesirable, can enter to active carbon filter 4 in time
Row backwash such that it is able to extend the life-span of active carbon filter 4, while ensure that the water inlet chlorine residue of counter-infiltration system is conformed to
Ask.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice the disclosure of utility model here
Other new embodiments.The application is intended to any modification of the present utility model, purposes or adaptations, these
Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model
True scope and spirit are pointed out by following claim.
It should be appreciated that the utility model is not limited to the accurate knot for being described above and being shown in the drawings
Structure, and can without departing from the scope carry out various modifications and changes.Scope of the present utility model only will by appended right
Ask to limit.
Claims (5)
1. a kind of chlorine residue degeneration system, it is characterised in that including programmable logic controller (PLC) PLC (1), online residual chlorine monitoring instrument
(2), the active carbon filter (4) and reducing agent chemicals dosing plant (5) being sequentially communicated by hydraulic pipeline (3), the online chlorine residue
Monitor (2) is arranged on the hydraulic pipeline (3) between the reducing agent chemicals dosing plant (5) and next stage purifier, described
Communication connection, communication link between the PLC (1) and reducing agent chemicals dosing plant (5) between PLC (1) and online residual chlorine monitoring instrument (2)
Connect.
2. chlorine residue degeneration system according to claim 1, it is characterised in that the reducing agent chemicals dosing plant (5) includes：It is molten
Solution case (51), measuring pump (52) and multiple ball valves；
Dissolving case (51) is provided with water inlet (511) and delivery port (512), and the water inlet (511) is by the first ball valve
(53) external running water pipe is communicated to, the delivery port (512) is communicated to the measuring pump (52) by the second ball valve (54)；
The measuring pump (52) is arranged on the pipeline between the delivery port (512) and the hydraulic pipeline (3), the metering
Metering pump intake (521) and metering pump discharge (522) are provided with pump (52), the pump intake (521) that measures is by described the
Two ball valves (54) are connected with the delivery port (511), and metering pump discharge (522) is by the 3rd ball valve (55) and the water delivery
Pipeline (3) is connected, and is communicated to connect between the measuring pump (52) and PLC (1).
3. chlorine residue degeneration system according to claim 2, it is characterised in that the reducing agent chemicals dosing plant (5) also includes
Agitator (56), it is internal that the agitator (56) is arranged at dissolving case (51).
4. chlorine residue degeneration system according to claim 1, it is characterised in that the active carbon filter (4) is full-automatic
Active carbon filter, full-automatic banked direction control valves (41), the active carbon filter are provided with the top of the active carbon filter (4)
(4) connected with the hydraulic pipeline (3) by the full-automatic banked direction control valves (41), the full-automatic banked direction control valves (41) and PLC (1)
Between communicate to connect.
5. chlorine residue degeneration system according to claim 1, it is characterised in that the water inlet end of the active carbon filter (4)
Place is provided with inlet gage (6), and discharge pressure table (7) is provided with the water side of the active carbon filter (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459667.9U CN206308172U (en) | 2016-12-29 | 2016-12-29 | A kind of chlorine residue degeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459667.9U CN206308172U (en) | 2016-12-29 | 2016-12-29 | A kind of chlorine residue degeneration system |
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| Publication Number | Publication Date |
|---|---|
| CN206308172U true CN206308172U (en) | 2017-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621459667.9U Active CN206308172U (en) | 2016-12-29 | 2016-12-29 | A kind of chlorine residue degeneration system |
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| CN (1) | CN206308172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704445A (en) * | 2018-12-20 | 2019-05-03 | 浙江伟星新型建材股份有限公司 | A kind of chlorine-resistant Intelligent life waterpipe device and its method that dechlorinates |
-
2016
- 2016-12-29 CN CN201621459667.9U patent/CN206308172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704445A (en) * | 2018-12-20 | 2019-05-03 | 浙江伟星新型建材股份有限公司 | A kind of chlorine-resistant Intelligent life waterpipe device and its method that dechlorinates |
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