CN202849099U - Automatic medicament feeding system - Google Patents
Automatic medicament feeding system Download PDFInfo
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- CN202849099U CN202849099U CN 201220518017 CN201220518017U CN202849099U CN 202849099 U CN202849099 U CN 202849099U CN 201220518017 CN201220518017 CN 201220518017 CN 201220518017 U CN201220518017 U CN 201220518017U CN 202849099 U CN202849099 U CN 202849099U
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Abstract
The utility model belongs to a medicament feeding device, and in particular relates to an automatic medicament feeding system. The automatic medicament feeding system comprises medicament boxes, namely a high-concentration medicament box and a low-concentration medicament box, and a pump, wherein the pump comprises a medicament feeding pump and a second metering pump which are respectively connected with the high-concentration medicament box and the low-concentration medicament box under the action of a control system; the medicament feeding pump connected with the high-concentration medicament box and an output of the second metering pump are respectively communicated with a premixing device and an input of a two-stage reaction pool; the premixing device is communicated with the two-stage reaction pool through a pipeline; raw water is connected with an input of the premixing device through a second electromagnetic valve and an electromagnetic flowmeter; a first probe signal acquisition end and a second probe signal acquisition end are respectively arranged at a material input port and a material output port of the premixing device; one path of the output of the two-stage reaction pool is connected with a discharging device, and the other path of the output of the two-stage reaction pool is connected with the input end of the premixing device through a backflow pipeline; a third probe signal acquisition end is arranged at the output end of the two-stage reaction pool; and probes and the electromagnetic flowmeter are respectively connected with a signal input of the control system. By the automatic medicament feeding system, the problem of inaccuracy of medicament feeding in the prior art is solved; and the automatic medicament feeding system has the advantages of accuracy in medicament feeding, simplicity in operation and self control and the like.
Description
Technical field
The utility model belongs to chemicals dosing plant, refers to especially a kind of automatic medicament feeding system that is widely used in the multiple industries such as chemical industry, environment, biology.
Background technology
In the environmental engineering water technology, often need to realize purification of water quality to wherein adding medicament, the purpose of adding of agent has the pH neutralization, chemical precipitation, chemical reduction etc., if the excessive waste that will inevitably cause medicament of dosage, even affect water treatment effect, for some situation strict to adding of agent, coarse adding of agent will inevitably cause serious consequence, for example in the anaerobic reaction methanogen to need the pH condition be 6.8-7.2, exceeding this scope methanogen can't normal existence, causes the anaerobic system acidifying, has a strong impact on outlet effect, chromic adding during alkali removes and for example, the adding less trivalent chromium of alkali is removed not exclusively, and alkali adds excessive, and trivalent chromium generates complex compound and still stays water, the accurate control of adding of agent is not only the waste problem of medicament, the more important thing is the problem on the water treatment effect impact.Can therefore the control of system's dosing be most important, realize adding of agent automatization accuracy, and being affects the good and working cost key just of water treatment effect.
Present existing medicine system only adds by volume pump, added amount of chemical is with fixed value, the general stable operation condition of water quality and quantity that is fit to, can't change according to water quality and quantity and regulate in real time, fix owing to dosage simultaneously, the control of system finally being controlled index is inaccurate, is easy to cause the very few or too much phenomenon of adding of agent.Actual water quality and quantity has very great fluctuation process, fixedly dosage and actual waste water have very big difference to the demand of medicament, adopt present dosing mode inevitably to cause medicament waste or treatment effect not good, therefore develop and a kind ofly in time regulate the automatic medicament feeding system of chemical feeding quantity according to actual water quality and quantity situation, realize the systemic administration amount accurately control be very necessary.
Respectively traditional dosing technology is improved in the patent No. 201120222489.9 and 200720081498.4 the utility model patent, but its use range has limitation, wherein the patent No. is that 201120222489.9 utility model patent is only applicable to acid-base neutralisation, and being 200720081498.4 utility model patent, the patent No. is applicable to coagulating, two patent existing problems are: the control to the dispensing process is not accurate enough, because medicament adopts and once adds, system there is not micro-tensioning system, the control of target system value is difficult to realize, is easy to cause the adding of agent error.Although the patent No. is 201120222489.9 utility model patent the medicament return-flow system is arranged, but because the dosing error is large, cause easily the waste water iterative cycles, not only cause the waste of soda acid, and to increased the saltiness of waste water in the multi-reflow of excessive soda acid with adjustment.The patent No. is that 200720081498.4 utility model patent is only suitable in the more wide in range situation of coagulant dosage scope, thereby causes easily that coagulant dosage is excessive to cause the medicament waste owing to lack micro-tensioning system.
Summary of the invention
The purpose of this utility model is to provide the automatic medicament feeding system of a kind of adding of agent and precise control.
Overall technology structure of the present utility model is:
A kind of automatic medicament feeding system comprises medicine-chest and pump, and medicine-chest comprises high density medicine-chest and lower concentration medicine-chest, and pump is included in the dosing pump that links to each other with the high density medicine-chest respectively under the effect of Controlling System, and the second volume pump that links to each other with the lower concentration medicine-chest; The dosing pump output that links to each other with the high density medicine-chest is communicated with the input of pre-mixing apparatus, and the output of the second volume pump is communicated with the input in second order reaction pond; Pass through pipeline connection between pre-mixing apparatus and the second order reaction pond, former water connects the input terminus of pre-mixing apparatus by the second magnetic valve and magnetic flow meter, the first probe signal collection terminal is located at the material input port of pre-mixing apparatus, the signals collecting end of the second probe is located in the pipeline between pre-mixing apparatus and the second order reaction pond, the output in second order reaction pond has two-way, wherein one the tunnel runs in and puts device, another road connects the input terminus of pre-mixing apparatus through return line, and the signals collecting end of the 3rd probe is located at the output port in second order reaction pond; The first probe, the second probe, the 3rd probe and magnetic flow meter be the signal input of connected control system respectively.
Concrete technical construction of the present utility model also has:
Pre-mixing apparatus can be selected a kind of in line mixer or the first order reaction pond according to the difference (size of sewage disposal scale) of using object.When using object as the small-scale sewage treatment facility, pre-mixing apparatus is selected line mixer, because its floor space is little, is swift in response.When using object to be large-scale sewage treatment facility, pre-mixing apparatus is selected the first order reaction pond, and up and down tumble type baffled reactor is selected in first order reaction pond and second order reaction pond.The reaction times abundance is saved power consumption like this.
Can it is evident that for ease of the liquid flow rate in the return line is controlled, preferably technical scheme is, also comprises the first magnetic valve in the system, one tunnel output in second order reaction pond connects the input terminus of pre-mixing apparatus through return line and the first magnetic valve.
The dosing pump that links to each other with the high density medicine-chest can adopt two kinds of designs, and wherein a kind of is applicable to large and medium-sized system.The dosing pump that links to each other with the high density medicine-chest is the first volume pump, and described the first volume pump connects the input in first order reaction pond.
Another is applicable to packaged unit, and the dosing pump that links to each other with the high density medicine-chest comprises dosing pump and the proportional control valve that links to each other with its output, the input of the discharge conection road mixing tank of described proportional control valve.
Can it is evident that, adopt the utility model also can survey a plurality of technical indicators in the water body, required increase only be the quantity of probe, do not break away from essence of the present utility model.
The structure of Controlling System can realize by the prior art means easily, so the applicant does not repeat them here.
Principle of work of the present utility model is as follows:
Water inlet is by water inlet pipe process electromagnetic flowmeter determination flooding velocity, simultaneously flow signal is fed back to Controlling System, then enter pre-mixing apparatus, be positioned at the probe of first on the pipeline to coming the water index to measure, measure numerical value and feed back to Controlling System, the second probe, after the 3rd probe records respectively its respective tube way value, signal feedback is arrived Controlling System, the concentration calculation formula of Controlling System by having inputted, logarithmic value is processed and is calculated, and calculates the medicine dosage, and passes through the high density medicine system (for the miniature water treatment unit, the dosage signal feedback is to proportional control valve, and the open amount by the control ratio control valve accurately adds medicament; And for big-and-middle-sized water treatment system, the dosage signal directly feeds back to the first volume pump) in system, add medicament, after reaction is finished, water outlet enters the second reaction tank by pipeline, and carry out adding of agent by the second volume pump that links to each other with the lower concentration medicine system, after reaction is finished, by the water-freeing arrangement water outlet.The 3rd probe detects final outflow water, and signal feedback is analyzed to Controlling System, if accident appears in system, water outlet is undesirable, then the return line magnetic valve is opened, and carries out reflow treatment.
The obtained technical progress of the utility model is:
1, the realization adding of agent is optimized relatively in the variation water quality situation, controlling valu in the water body is in time monitored feedback, the accurate calculation added amount of chemical by probe.Avoided tradition to add medicament to the waste of medicament.
2, by coarse adjustment with finely tune two cover systems and carry out control by stages, can realize the accurate adjustment of numerical value, be conducive to reaction conditions control.
3, medicine system can realize automatization control easily, and is simple to operate, improved labour productivity, is conducive to the sewage work post and cuts personnel.
4, lower concentration dosing tank drug concentration is lower, even the adding of agent flow is larger, the actual significant quantity of medicament is lower, and is less on the impact of aims of systems value.
5, the safety return-flow guarantee is set, when adding of agent exceeds safety range, it is back to dosing system initial end readjusts, prevent that ineligible waste water from flowing out medicine system.
Description of drawings
Accompanying drawing of the present utility model has:
Fig. 1 is the one-piece construction synoptic diagram of the utility model embodiment 1.
Fig. 2 is the one-piece construction synoptic diagram of the utility model embodiment 2.
Reference numeral of the present utility model is as follows:
1, high density dosing tank; 2, the first volume pump; 3, lower concentration dosing tank; 4, Controlling System; 5, the second volume pump; 6, second order reaction pond; 7, the 3rd probe; 8, return line; 9, the second probe; 10, the first magnetic valve; 11, pre-mixing apparatus; 12, the first probe; 13, magnetic flow meter; 14, the second magnetic valve; 15, proportional control valve; 16, dosing pump.
Solid arrow is the trend of water and medicament among the figure; Dotted arrow is the signal trend.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described; but conduct is not to restriction of the present utility model; protection domain of the present utility model is as the criterion with the content of claim record; any equivalence techniques means of having done according to specification sheets are replaced, and all do not break away from protection domain of the present utility model.
Embodiment 1
The overall technology structure of present embodiment as shown in Figure 1, a kind of automatic medicament feeding system wherein, comprise medicine-chest and pump, medicine-chest comprises high density medicine-chest 1 and lower concentration medicine-chest 3, pump is included in the dosing pump that links to each other with high density medicine-chest 1 respectively under the effect of Controlling System, and the second volume pump 5 that links to each other with the lower concentration medicine-chest; The dosing pump that links to each other with high density medicine-chest 1 is that the output of the first volume pump 2, the first volume pumps 2 is communicated with the input of pre-mixing apparatus 11, and the output of the second volume pump 5 is communicated with the input in second order reaction pond 6; Pass through pipeline connection between pre-mixing apparatus 11 and the second order reaction pond 6, former water connects the input terminus of pre-mixing apparatus 11 by the second magnetic valve 14 and magnetic flow meter 13, the first probe 12 signals collecting ends are located at the material input port of pre-mixing apparatus 11, the second probe signals collecting end of 9 is located in the pipeline between pre-mixing apparatus 11 and the second order reaction pond 6, the output in second order reaction pond 6 has two-way, wherein one the tunnel runs in and puts device, another road connects the input terminus of pre-mixing apparatus 11 through return line 8, and the signals collecting end of the 3rd probe 7 is located at the output port in second order reaction pond 6; First probe the 12, second probe the 9, the 3rd probe 7 and the respectively signal input of connected control system 4 of magnetic flow meter 13.
The concrete technical construction of present embodiment also has:
The use object of present embodiment is large-scale sewage treatment facility, pre-mixing apparatus 11 is selected the first order reaction pond, and up and down tumble type baffled reactor is selected in first order reaction pond and second order reaction pond 6, and described the first volume pump 2 connects the input in first order reaction pond, the reaction times abundance is saved power consumption like this.
Can it is evident that, for ease of the liquid flow rate in the return line is controlled, preferably technical scheme is, also comprises the first magnetic valve 10 in the system, and one tunnel output in second order reaction pond 6 connects the input terminus of pre-mixing apparatus 11 through return line 8 and the first magnetic valve 10.
Embodiment 2
The one-piece construction of present embodiment as shown in Figure 2, be to be applicable to Small Sewage Treatment Equipment with the difference of embodiment 1, the dosing pump that links to each other with high density medicine-chest 1 comprises dosing pump 16 and the proportional control valve 15 that links to each other with its output, the input of the discharge conection road mixing tank of described proportional control valve 15.The object that uses of present embodiment is the small-scale sewage treatment facility, and pre-mixing apparatus is selected line mixer, because its floor space is little, is swift in response.
All the other are with embodiment 1.
Claims (6)
1. automatic medicament feeding system, comprise medicine-chest and pump, it is characterized in that medicine-chest comprises high density medicine-chest (1) and lower concentration medicine-chest (3), pump is included in the dosing pump that links to each other with high density medicine-chest (1) respectively under the effect of Controlling System, and the second volume pump (5) that links to each other with the lower concentration medicine-chest; The dosing pump output that links to each other with high density medicine-chest (1) is communicated with the input of pre-mixing apparatus (11), and the output of the second volume pump (5) is communicated with the input of second order reaction pond (6); Pass through pipeline connection between pre-mixing apparatus (11) and second order reaction pond (6), former water connects the input terminus of pre-mixing apparatus (11) by the second magnetic valve (14) and magnetic flow meter (13), first probe (12) signals collecting end is located at the material input port of pre-mixing apparatus (11), the signals collecting end of the second probe (9) is located in the pipeline between pre-mixing apparatus (11) and second order reaction pond (6), the output in second order reaction pond (6) has two-way, wherein one the tunnel runs in and puts device, another road connects the input terminus of pre-mixing apparatus (11) through return line (8), and the signals collecting end of the 3rd probe (7) is located at the output port of second order reaction pond (6); The first probe (12), the second probe (9), the 3rd probe (7) and magnetic flow meter (13) be the signal input of connected control system (4) respectively.
2. automatic medicament feeding system according to claim 1 is characterized in that described pre-mixing apparatus (11) selects a kind of in line mixer or the first order reaction pond.
3. automatic medicament feeding system according to claim 1, it is characterized in that also comprising in the described system the first magnetic valve (10), one tunnel output of second order reaction pond (6) connects the input terminus of pre-mixing apparatus (11) through return line (8) and the first magnetic valve (10).
4. automatic medicament feeding system according to claim 1 is characterized in that described pre-mixing apparatus (11) selects the first order reaction pond, and up and down tumble type baffled reactor is selected in first order reaction pond and second order reaction pond.
5. automatic medicament feeding system according to claim 2 is characterized in that the described dosing pump that links to each other with high density medicine-chest (1) is the first volume pump (2), and described the first volume pump (2) connects the input in first order reaction pond.
6. automatic medicament feeding system according to claim 2, it is characterized in that the proportional control valve (15) that the described dosing pump that links to each other with high density medicine-chest (1) comprises dosing pump (16) and links to each other with its output, the input of the discharge conection road mixing tank of described proportional control valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518017 CN202849099U (en) | 2012-10-08 | 2012-10-08 | Automatic medicament feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518017 CN202849099U (en) | 2012-10-08 | 2012-10-08 | Automatic medicament feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202849099U true CN202849099U (en) | 2013-04-03 |
Family
ID=47980319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220518017 Withdrawn - After Issue CN202849099U (en) | 2012-10-08 | 2012-10-08 | Automatic medicament feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202849099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838178A (en) * | 2012-10-08 | 2012-12-26 | 北京中环嘉诚环境工程有限公司 | Automatic medicine adding system |
| CN103693775A (en) * | 2013-11-27 | 2014-04-02 | 广东南方碱业股份有限公司 | Method for reducing ammonia nitrogen content of distilled clear waste liquid discharged in ammonia alkali process |
| CN114455649A (en) * | 2021-12-28 | 2022-05-10 | 安徽绿衡环保科技有限公司 | Intelligent accurate dosing device and using method thereof |
-
2012
- 2012-10-08 CN CN 201220518017 patent/CN202849099U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838178A (en) * | 2012-10-08 | 2012-12-26 | 北京中环嘉诚环境工程有限公司 | Automatic medicine adding system |
| CN102838178B (en) * | 2012-10-08 | 2013-11-06 | 北京中环嘉诚环境工程有限公司 | Automatic medicine adding system |
| CN103693775A (en) * | 2013-11-27 | 2014-04-02 | 广东南方碱业股份有限公司 | Method for reducing ammonia nitrogen content of distilled clear waste liquid discharged in ammonia alkali process |
| CN103693775B (en) * | 2013-11-27 | 2015-08-26 | 广东南方碱业股份有限公司 | A kind of method reducing the distillation stripping ammonia nitrogen content of discharging in ammonia alkali technique |
| CN114455649A (en) * | 2021-12-28 | 2022-05-10 | 安徽绿衡环保科技有限公司 | Intelligent accurate dosing device and using method thereof |
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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: 20130403 Effective date of abandoning: 20131106 |
|
| RGAV | Abandon patent right to avoid regrant |