CN205241274U - Get rid of device of aquatic haloform - Google Patents
Get rid of device of aquatic haloform Download PDFInfo
- Publication number
- CN205241274U CN205241274U CN201521113583.5U CN201521113583U CN205241274U CN 205241274 U CN205241274 U CN 205241274U CN 201521113583 U CN201521113583 U CN 201521113583U CN 205241274 U CN205241274 U CN 205241274U
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- haloform
- ejector
- motor
- water
- plc controller
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Abstract
The utility model discloses a get rid of device of aquatic haloform, the device is including a plurality of aeration equipment, boot device, check out test set and autonomous system, each aeration equipment includes: rain cap, aerator, flotation pontoon, sealing drum and ejector hide, boot device is including aerifing motor and ejector motor, the check out test set includes: flowmeter, temperature sensor, chlorine residue detector and haloform detector, autonomous system includes PLC controller and converter, the device can get rid of the haloform class pollutant that the aquatic exceeds standard by high efficiency, does not need the pipe laying during installation, and the device will blow in the chlorine suction water that deviate from to come aeration once more, guarantees that the aquatic remains sufficient free chlorine residue.
Description
Technical field
The utility model relates to water-treatment technology field, is specifically related to a kind of device of removing haloform in water.
Background technology
Tradition water supply plant adopts conventional water treatment process, and its step is " coagulation-precipitation-filtration-sterilization ". Wherein sterilization process is the final step of traditional water supply plant technological process, is the most critical link that ensures effluent water quality biological safety. But in existing sterilization process, can't overcome and produce the problem of DBPs, because DBPs has " three causing property ", act on easily carcinogenic, teratogenesis and mutagenesis of human body. Strengthen sterilization dynamics, when guaranteeing to kill pathogenic microorganisms, also strengthened the amount of DBPs, cause the risk of output water chemical safety to increase. So DBPs is the primary study direction of handling technology of water supply always. Haloform be found the earliest, the most well known, the most a kind of DBPs of distributing in drinking water. Haloform comprises chloroform, a bromodichloromethane, dibromo monochloro methane and bromofom, wherein with the frequency of occurrences of chloroform and concentration for the highest. In toxicology, haloform has certain pathogenic, and Long contact time can produce the illness of eyes, top layer skin and respiratory system, and haloform also has certain carcinogenic risk in addition. In the time that organic concentration in the former water of water supply plant is higher and adopt liquid chlorine to carry out disinfection to water, the risk that output water exists haloform DBPs to exceed standard. Patent 201510282028.3 discloses one and has utilized UV/H2O2Remove the method for treating water of haloform in drinking water, although the method is to the good removal effect of haloform, for laying ultraviolet equipment under water supply plant applied environment and adding hydrogen peroxide medicament, processing cost is high, and there is the problem of hydrogen peroxide residue, be actually and be difficult to carry out. A kind of aeration stripping method when patent 201010523355.0 discloses drinking water burst halogenated alkane type organic pollution, it is characterized in that the method is in water, to lay blast aeration system, realizes the removal of volatility alkyl halide hydro carbons organic pollution by aeration. There is following problem in these class methods: systematic comparison complexity, blower equipment need to be set, and laying micro-pore aeration pipeline long construction period, is not suitable for base closed and to laying in the short clear water reserviors of water stopping time requirement, cost is higher, very flexible. Once laying mode is improper in clear water reserviors, can not control preferably aeration rate, the chlorine in clear water reserviors is too fast by stripping out, is difficult to realize the exceed standard emergency processing of haloform of clear water reserviors.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of device of removing haloform in water, this device is removed haloform in water by aeration stripping method, when installation, do not need tubing, and this device regulates the frequency of inflation motor, the haloform exceeding standard in high efficient aeration stripping water by robot control system(RCS); Disinfectants such as stripping chlorine out is again sucked in water aeration again by this device simultaneously, reaches balance, ensures to retain enough free chlorine residuals in water. For achieving the above object, the utility model adopts following technical scheme: a kind of device of removing haloform in water, comprises some aerators, starting device, checkout equipment and robot control system(RCS);
Described each aerator comprises: shading rain cap, inflator, floating drum, sealing drum and ejector; Described rain cover cap is located at the top of inflator; Described floating drum is arranged on respectively the left and right sides of inflator; The lower end of described sealing drum and inflator is connected; Described ejector is arranged on the lower end of sealing drum;
Described starting device comprises inflation motor and ejector motor; Described inflation motor is connected with inflator; Described ejector motor is connected with ejector;
Described checkout equipment comprises: flowmeter, temperature sensor, residual chlorine detecting instrument and haloform detector;
Described robot control system(RCS) comprises PLC controller and frequency converter;
The first signal input of described PLC controller and the signal output part of flowmeter are connected; The secondary signal input of described PLC controller and the signal output part of temperature sensor are connected; The 3rd signal input part of described PLC controller and the signal output part of residual chlorine detecting instrument are connected; The 4th signal input part of described PLC controller is connected with the signal output part of haloform detector; The first signal output of described PLC controller is connected with the signal input part of frequency converter; The signal output part of described frequency converter is connected with the signal input part of inflation motor; The secondary signal output of described PLC controller is connected with the signal input part of ejector motor.
As the preferred scheme of one of the present utility model: the rotating speed of described inflation motor is 500～3000r/min.
As the preferred scheme of one of the present utility model: the aeration quantity of described inflator is 10～1000m3/h。
As the preferred scheme of one of the present utility model: the inflation depth of water of described inflator is 2～6m.
As the preferred scheme of one of the present utility model: the rotating speed of described ejector motor is 500～1500r/min; The described microbubble diameter discharging after the cutting of ejector motor is 0.2～2mm.
The beneficial effects of the utility model are:
1, when the device of haloform is installed in removal water described in the utility model, need in clear water reserviors, not lay aerating pipelines and air blast machine room is additionally set, by directly laying aerator in water factory's clear water reserviors, fix with flexible hawser, float on the clear water reserviors water surface, and along with clear water reserviors SEA LEVEL VARIATION moves up and down, construct simple and quick, do not affect clear water reserviors operation, the emergency processing while being especially applicable to burst pollution;
2, the utility model is by the combination of inflator and ejector, and aeration quantity is large, and the bubble producing is small, and aeration is effective, and the reaction time is short, without adding chemical substance, and full-automatic operation, simple to operate, integrated treatment cost is lower;
3, in the utility model, be provided with checkout equipment, can detect the situation of the various material concentrations of haloform in water temperature, water supply flow, clear water reserviors water outlet free residual chlorine and water simultaneously, so that control appliance operation in time;
4, the utility model regulates the rotating speed of inflation motor by robot control system(RCS), controls aerator aeration rate, and intelligent high-efficiency is removed the haloform in clear water reserviors, has reduced widely energy consumption simultaneously;
5, aerator described in the utility model adopts integrated design, the disinfectant such as stripping chlorine out can be sucked in water to aeration again, avoid the disinfectants such as the chlorine that adds in clear water reserviors by a large amount of strippings out, ensure to there is enough free chlorine residuals in clear water reserviors water, reach poised state, make output water meet safety standard.
Brief description of the drawings:
Fig. 1 is the aerator structural representation of haloform in removal water of the present utility model;
Fig. 2 is the laying schematic diagram of the utility model at clear water reserviors;
Fig. 3 electrical block diagram of the present utility model.
Wherein, 1, aerator; 11, shading rain cap; 12, inflator; 13, floating drum; 14, sealing drum; 15, ejector; 2, starting device; 21, inflation motor; 22, ejector motor; 3, checkout equipment; 31, flowmeter; 32, temperature sensor; 33, residual chlorine detecting instrument; 34, haloform detector; 4, robot control system(RCS); 41, PLC controller; 42, frequency converter.
Detailed description of the invention
Below, in conjunction with detailed description of the invention, the utility model is described further:
Specific embodiment:
Embodiment 1
With reference to Fig. 1 and in conjunction with Fig. 2, the present embodiment discloses a kind of device of removing haloform in water, comprises some aerators 1, starting device 2, checkout equipment 3 and robot control system(RCS) 4;
Described each aerator 1 comprises: shading rain cap 11, inflator 12, floating drum 13, sealing drum 14 and ejector 15; Described shading rain cap 11 lids are located at the top of inflator 12; Described floating drum 13 is arranged on respectively the left and right sides of inflator 12; Described sealing drum 14 is connected with the lower end of inflator 12; Described ejector 15 is arranged on the lower end of sealing drum 14. Described starting device 2 comprises inflation motor 21 and ejector motor 22; Described inflation motor 21 is connected with inflator 12; Described ejector motor 22 is connected with ejector 15. Described checkout equipment 3 comprises: flowmeter 31, temperature sensor 32, residual chlorine detecting instrument 33 and haloform detector 34. Described robot control system(RCS) 4 comprises PLC controller 41 and frequency converter 42.
The rotating speed of described inflation motor 21 is 1500r/min; The aeration quantity of described inflator 12 is 1000m3/ h, the inflation depth of water of inflator 12 is 2.5m; The rotating speed of described ejector motor 22 is 1000r/min; The described microbubble diameter discharging after 22 cuttings of ejector motor is 0.2～2mm.
With reference to Fig. 3, the first signal input of described PLC controller 41 is connected with the signal output part of flowmeter 31; The secondary signal input of described PLC controller 41 is connected with the signal output part of temperature sensor 32; The 3rd signal input part of described PLC controller 41 is connected with the signal output part of residual chlorine detecting instrument 33; The 4th signal input part of described PLC controller 41 is connected with the signal output part of haloform detector 34; The first signal output of described PLC controller 41 is connected with the signal input part of frequency converter 42; The signal output part of described frequency converter 42 is connected with the signal input part of inflation motor 21; The secondary signal output of described PLC controller 41 is connected with the signal input part of ejector motor 22.
The use procedure of this device is as follows:
1) by vertical some the aerators 1 floating stage casing that is evenly laid in clear water reserviors gallery; Distance between each equipment is L=10m;
2) on PLC controller 41, set respectively haloform, comprising: the concentration limit of chloroform, chlorodibromomethane, Dichloro-monobromo methane, bromoform and output water chlorine residue;
3) checkout equipment 3 is arranged on to the delivery port of clear water reserviors;
4) start detection equipment 3, detection data are passed to PLC controller 41 by checkout equipment 3;
5) when the concentration of haloform in clear water reserviors is during higher than limit value, PLC controller 41 is controlled frequency converter 42 and is started, frequency converter 42 drives inflation motor 21, the running of inflation motor 21 starts inflator 12 pump gas to sealing drum 14, then gas is through ejector 15, and ejector motor 22 sprays after operating bubble being cut into microbubble.
Embodiment 2
Certain waterworks design water yield 20000m3/ d, adopts liquid chlorine as disinfectant, clear water reserviors water outlet chloroform concentration range 10.0～265.0 μ g/L, and according to " standards for drinking water quality GB5749-2006 ", the content of chloroform is no more than 60ug/L; Therefore, the highlyest exceed standard 4.4 times.
1) adopt device and method described in the utility model as emergency processing measure, select the device of haloform in the removal water described in embodiment 1, maximum aeration quantity is 1000m3/ h, the highest output 1000m during by water factory3/ h, lays aerator 1 by gas-water ratio 5:1, and the number of units of selecting aerator 1 is 5; Start to lay successively toward back segment with the center of clear water reserviors gallery overall length, laying distance between aerator 1 is 15m, every scalable hawser of aerator 1 use is fixed on the center of clear water reserviors gallery, aerator 1 swims in the clear water reserviors water surface, and along with clear water reserviors height of liquid level can regulate automatically.
2) concentration limit of setting chlorine residue on PLC controller 41 is 0.3mg/L, and the concentration limit of haloform is 60 μ g/L.
3) at the delivery port of clear water reserviors, flowmeter 31, temperature sensor 32, residual chlorine detecting instrument 33 and haloform detector 34 are installed, are detected data at clear water reserviors water outlet.
4) start detection equipment 3, haloform detector 34 detects that the concentration of chloroform is 216.0ug/L, PLC controller 41 drives frequency converter 42 and ejector motor 22; Frequency converter 42 drives inflation motor 21 to operate; The frequency that inflation motor 21 starts is calculated as follows:
Record T=22 DEG C by temperature sensor 32, k value is 0.75; Record Q by flowmeter 31Water＝815m3/h；QWater max＝1000m3/h；C＝216.0ug/L；CMark＝60ug/L；fPower frequency=50Hz, calculating startup frequency f according to formula is 11Hz.
5) the frequency interval 2h that sets inflation motor 21 adjusts once, certainly inflates motor 21 and starts after 2h, detects that the concentration of chloroform is in limits, and PLC controller 41 is controlled and made the frequency of inflating motor 21 reduce 5Hz.
6) after 2h, detect that the concentration of chloroform exceeds limits, PLC controller 41 is controlled and is made the frequency of inflating motor 21 improve 5Hz.
7) repeating step 5)-6), being reduced to 0 to the frequency of inflating motor 21, inflation motor 21 decommissions or reaches the highest frequency 50Hz of inflation motor 21.
Through 6h, chloroform detectable concentration is 45ug/L, and chloroform clearance is 79.2%, and output water residual chlorine concentration >=0.3mg/L, meets Effluent criteria.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the utility model claim within.
Claims (5)
1. remove a device for haloform in water, it is characterized in that comprising some and expose to the sunGas equipment, starting device, checkout equipment and robot control system(RCS);
Described each aerator comprises: shading rain cap, inflator, floating drum, sealing drum andEjector; Described rain cover cap is located at the top of inflator; Described floating drum is arranged on and fills respectivelyThe left and right sides of mechanism of qi; The lower end of described sealing drum and inflator is connected; Described ejectorBe arranged on the lower end of sealing drum;
Described starting device comprises inflation motor and ejector motor; Described inflation motor with fillMechanism of qi is connected; Described ejector motor is connected with ejector;
Described checkout equipment comprises: flowmeter, temperature sensor, residual chlorine detecting instrument and three halogenMethane detector;
Described robot control system(RCS) comprises PLC controller and frequency converter;
The first signal input of described PLC controller and the signal output part of flowmeter are connectedConnect; The secondary signal input of described PLC controller and the signal output part of temperature sensorBe connected; The 3rd signal input part of described PLC controller and the signal of residual chlorine detecting instrument are defeatedGoing out end is connected; The 4th signal input part and the haloform detector of described PLC controllerSignal output part be connected; First signal output and the frequency converter of described PLC controllerSignal input part be connected; The signal output part of described frequency converter and the signal of inflating motorInput is connected; The secondary signal output of described PLC controller and ejector motorSignal input part is connected.
2. the device of haloform in removal water as claimed in claim 1, its feature existsIn: the rotating speed of described inflation motor is 500～3000r/min.
3. the device of haloform in removal water as claimed in claim 1, its feature existsIn: the aeration quantity of described inflator is 10～1000m3/h。
4. the device of haloform in removal water as claimed in claim 1, its feature existsIn: the inflation depth of water of described inflator is 2～6m.
5. the device of haloform in removal water as claimed in claim 1, its feature existsIn: the rotating speed of described ejector motor is 500～1500r/min; Described through ejector motorThe microbubble diameter discharging after cutting is 0.2～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113583.5U CN205241274U (en) | 2015-12-25 | 2015-12-25 | Get rid of device of aquatic haloform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113583.5U CN205241274U (en) | 2015-12-25 | 2015-12-25 | Get rid of device of aquatic haloform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205241274U true CN205241274U (en) | 2016-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521113583.5U Withdrawn - After Issue CN205241274U (en) | 2015-12-25 | 2015-12-25 | Get rid of device of aquatic haloform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205241274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417610A (en) * | 2015-12-25 | 2016-03-23 | 瀚蓝环境股份有限公司 | Apparatus and method for removing trihalomethane from water |
-
2015
- 2015-12-25 CN CN201521113583.5U patent/CN205241274U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417610A (en) * | 2015-12-25 | 2016-03-23 | 瀚蓝环境股份有限公司 | Apparatus and method for removing trihalomethane from water |
| CN105417610B (en) * | 2015-12-25 | 2018-02-16 | 瀚蓝环境股份有限公司 | A kind of device and method for removing haloform in water removal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160518 Effective date of abandoning: 20180216 |
|
| AV01 | Patent right actively abandoned |