CN203771038U - Chemical adding device - Google Patents
Chemical adding device Download PDFInfo
- Publication number
- CN203771038U CN203771038U CN201420093989.0U CN201420093989U CN203771038U CN 203771038 U CN203771038 U CN 203771038U CN 201420093989 U CN201420093989 U CN 201420093989U CN 203771038 U CN203771038 U CN 203771038U
- Authority
- CN
- China
- Prior art keywords
- metering pump
- adding device
- pump
- pipeline
- medicine adding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000126 substance Substances 0.000 title abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 239000003814 drug Substances 0.000 claims description 40
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 229940079593 drug Drugs 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002070 germicidal effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a chemical adding device which comprises a diaphragm type metering pump, a driving motor, a liquid main and a damper, wherein the diaphragm type metering pump comprises a pumping inlet and a pumping outlet, a driving motor drives the diaphragm type metering pump to work, and the pumping outlet of the diaphragm type metering pump is communicated with the liquid main through the damper. According to the provided chemical adding device, pulse can be effectively smoothed, pipeline impact of pulsating pressure can be reduced, pipeline vibration can be reduced, and the service life of the device can be prolonged.
Description
Technical field
The utility model belongs to mechanical field, relates to a kind of medicine allocation machinery, relates in particular to a kind of medicine adding device.
Background technique
Traditional medicine adding device, by diaphragm metering pump to liquid filling liquid in pipeline.There is following problems in this equipment:
1, in diaphragm metering pump when operation, causes drug feeding pipeline pressure to present pulsed fluctuation, can cause pipeline pressure fluctuation large, causes pipe vibration large, makes that pipeline easily breaks, pipeline junction is easily loosening;
If the outlet of 2 diaphragm metering pumps is stopped up, when pump operation, can cause pipeline pressure to increase severely, damage pipeline or pump diaphragm, will cause the damage of pump;
3, in actual dosing process, the fluid flow of total pipeline may change, if total pipeline fluid flow changes, and in the constant situation of dosing flow, just there will be dosing inhomogeneous, can not adjust chemical feeding quantity according to the variation of the flow of liquid in pipeline in real time.
Model utility content
In order to solve the above-mentioned technical problem existing in background technique, the utility model provides a kind of can be effectively level and smooth pulse, reduce the impact of pulsating pressure to pipeline, can reduce pipe vibration and can increase the medicine adding device of service life of equipment.
Technical solution of the present utility model is: the utility model provides a kind of medicine adding device, comprise diaphragm metering pump, drive motor and liquid total pipeline, described diaphragm metering pump comprises pumping entrance and pumping outlet, described drive motor drives diaphragm metering pump work, and its special way is: described medicine adding device also comprises damper; The pumping outlet of described diaphragm metering pump connects by damper and liquid total pipeline.
Above-mentioned medicine adding device also comprises back pressure valve; The pumping outlet of described diaphragm metering pump connects by the pumping entrance of back pressure valve and diaphragm metering pump.
Above-mentioned medicine adding device also comprises and is arranged on the total pipeline flow measuring device being connected on liquid total pipeline and with drive motor.
Above-mentioned total pipeline flow measuring device comprises flow transmitter and frequency variator; Described flow transmitter is arranged on liquid total pipeline; Described frequency variator is connected with drive motor; Described flow transmitter and frequency variator are electrical connected.
The utility model has the advantages that:
1, the utility model increases damper at the outlet conduit of diaphragm metering pump, and effectively level and smooth pulse, reduces the impact of pulsating pressure to pipeline, reduces pipe vibration, increases service life of equipment.
2, in the utility model at diaphragm metering pump Increasing exports back pressure valve, when pump discharge pipeline pressure is normal, back pressure valve cuts out, liquid runs down Flows, in the time that pump discharge pipeline pressure is greater than the pressure of back pressure valve setting, back pressure valve pipeline is connected, and makes the liquid backflow of pump discharge to the entrance of pump, has eliminated the damage of immense pressure to pipeline; The utility model efficiently solves due to the pump discharge pipeline retaining pressure pipeline breakage that causes or the joint problem that comes off that increases severely at diaphragm metering pump Increasing exports back pressure valve, has extended the working life of pump.
3, the utility model increases flow transmitter on total pipeline, by the real-time traffic of total pipeline by current signal transfer to frequency variator, frequency variator obtains total pipeline real-time flow data by computing, automatically regulate frequency converter frequency output, change the rotating speed of pump motor, thereby change dosing flow, realized mating of dosing flow and total pipeline fluid flow, make dosing even.The utility model increases flow transmitter and efficiently solves the inhomogeneous problem of chemical feeding quantity that in total pipeline, changes in flow rate causes on total pipeline.
Brief description of the drawings
Fig. 1 is the structured flowchart of medicine adding device provided by the utility model;
Wherein:
1-stirrer; 2-grug feeding jar; 3-valve; 4-filter; 5-diaphragm metering pump; 6-drive motor; 7-back pressure valve; 8-damper; 9-medicine outlet; 10-liquid total pipeline; 11-flow transmitter; 12-frequency variator; 13-liquid flows to; 14-flow direction.
Embodiment
Referring to Fig. 1, the utility model provides a kind of medicine adding device, this medicine adding device and conventional medicine adding device are basic identical, include stirrer 1, grug feeding jar 2, valve 3, filter 4, diaphragm metering pump 5, drive motor 6, medicine outlet 9 and liquid total pipeline 10; Stirrer 1 stirs operation in grug feeding jar 2, valve 3 is controlled the fluid situation of grug feeding jar 2, and be delivered in diaphragm metering pump 5 by filter 4, drive diaphragm metering pump 5 to carry out pumping by drive motor 6, the liquid of pumping is delivered in liquid total pipeline 10 along medicine outlet 9, finally completed dosing process.In Fig. 1, label be 13 represent liquid flow to, 14 represent the flow direction in liquid total pipeline 10.
Different from traditional medicine adding device, medicine adding device provided by the utility model also comprises damper 8; Diaphragm metering pump 5 comprises pumping entrance and pumping outlet, and the pumping outlet of diaphragm metering pump 5 connects by damper 8 and liquid total pipeline 10.At the pumping Increasing exports damper 8 of diaphragm metering pump 5, damage liquid total pipeline 10 being caused with the fluctuation of releasing the pressure.
Meanwhile, medicine adding device provided by the utility model also comprises back pressure valve 7; The pumping outlet of diaphragm metering pump 5 connects by back pressure valve 7 and the pumping entrance of diaphragm metering pump 5; At diaphragm metering pump Increasing exports back pressure valve, if pipeline pressure exceedes the pressure that back pressure valve is set, back pressure valve is opened, and makes delivery side of pump liquid flow into the entrance of pump, prevents the damage to pipeline.
As the better embodiment of the utility model, the utility model also comprises and is arranged on the total pipeline flow measuring device being connected on liquid total pipeline and with drive motor at above-mentioned any medicine adding device; Total pipeline flow measuring device comprises flow transmitter 11 and frequency variator 12; Flow transmitter 11 is arranged on liquid total pipeline 10; Frequency variator 12 is connected with drive motor 6; Flow transmitter 11 is electrical connected with frequency variator 12.Total pipeline flow measurement, can, according to the variation of total pipeline flow, regulate the rotating speed of diaphragm metering pump motor in real time by frequency variator, realize the adjusting of pump discharge flow.
Diaphragm metering pump 5 is driven by drive motor 6, promotes rod guidance device and the barrier film being connected with rod guidance device is moved reciprocatingly.Before and after barrier film, action makes gap variation between barrier film and pump head cause ball valve move up and down formation vacuum suction and push phenomenon, reaches the outer defeated object of liquid.Therefore the mode of diaphragm metering pump conveying liquid is pulsed.
Damper utilizes air compressing principle, in the time that pipeline liquid increases, air chamber smaller volume, absorbs unnecessary liquid, in the time that pipeline liquid reduces, it is large that air chamber volume becomes, discharge the liquid of storage, thereby reach the effect of level and smooth pulse, make pipeline pressure smooth change, efficiently solve the vibration problem of pipeline, increased the working life of equipment.
Back pressure valve is realized action by the elastic force of built-in spring: when system pressure is than setting pressure hour, diaphragm is blocking pipeline under the effect of spring force; In the time that system pressure is larger than setting pressure, diaphragm Compress Spring, pipeline is connected, and liquid passes through back pressure valve.
Outlet conduit at diaphragm metering pump increases back pressure valve, when pump discharge pipeline pressure is normal, back pressure valve cuts out, liquid runs down Flows, in the time that pump discharge pipeline pressure is greater than the pressure of back pressure valve setting, back pressure valve pipeline is connected, and makes the liquid backflow of pump discharge to the entrance of pump, has eliminated the damage of immense pressure to pipeline.
Diaphragm metering pump can regulate delivery side of pump flow by adjusting stroke size or reciprocating frequence.Adjust the large I of stroke and realize by the rotatable handle on the pump housing, this handle is artificially adjusted, and can not realize automatic control.Adjusting reciprocating frequence can realize by the rotating speed that changes pump motor, and the rotating speed of pump motor can regulate automatically by frequency variator.
On total pipeline, increase flow transmitter, by the real-time traffic of pipeline by current signal transfer to frequency variator, frequency variator obtains total pipeline real-time flow data by computing, automatically regulate frequency converter frequency output, change the rotating speed of pump motor, thereby change dosing flow, realized mating of dosing flow and total pipeline fluid flow, make dosing even.
Below in conjunction with two kinds of medicine adding devices, the utility model is elaborated:
1, the complete medicine adding device of CKJY type:
The complete medicine adding device of CKJY type is requirement in order to meet water treatment technology dosing and development and Design.Produced water treatment institute with medicament mainly contains germicide, corrosion inhibiting and descaling agent, water quality modification agent, flocculating agent, flocculation aid etc.Equipment manually power frequency carries out fine adjustment to chemical feeding quantity, realizes quantitative, continuous, accurately dosing, can improve the effect of water treatment.
This device structure composition and feature
Medicine adding device is mainly made up of grug feeding jar, stirrer, metering pump, level meter, electric control cabinet, pipeline, valve, distributor, safety valve, damper, pressure gauge, safety check, back pressure valve, frame etc.
Each parts are all installed concentratedly in a frame, and each electrical equipment, instrument are all concentrated and are assemblied in frame or Electric Appliance Cabinet, are together to form independently dosing unit.Reduced field erected workload and floor space, debugging and easy-to-operate put into operation.
Grug feeding jar is furnished with magnetic flap level gauge, can realize on the spot and showing, and have low liquid level warning and low liquid level termination of pumping protective function.
Equipment operation
1) complete the preparation of liquid, by being manually added in batch meter from the charging hole on grug feeding jar top; The unlatching of stirrer and stop determining as required.
2) open operation metering pump import and export pipeline valve.
3) rotary pump starting button, priming pump.
4) in dosing process, often make an inspection tour grug feeding jar liquid level and change, should supplement and add drug solns in time after hearing warning.
5) be in operation and should cut off in time working pump power supply as working pump breaks down, open, close respective valves, start stand by pump, continue dosing.
Grug feeding jar liquid level is low, and the low audible-visual annunciator of corresponding tank liquid level starts reports to the police, and prompting is made up a prescription.The dosing pump of the too low rear corresponding grug feeding jar of liquid level stops automatically, and liquid level is reported to the police and automatically eliminated after recovering normally, manually boots dosing pump.Specifically adding dose also can make to add more accurate by dosing throw of pump adjusting knob manual tune.Equipment is guided the low liquid level of the run signal of dosing pump, each grug feeding jar and too low liquid level signal into terminal in the mode of dry contact, so that remote monitoring.Dosing pump has telecontrol start and stop function, and require telecontrol to open/stop button and all adopt self-replaced type, passive dry contact, electric pressure AC220V, start button is normally opened contact, stop button is normally-closed contact.If the remote control function of use, must will connect the terminal short circuit that telecontrol stop button is corresponding.Thermorelay resets.Thermorelay is for Electric Machine Control, and current setting that must thermorelay is set to the load current value of controlled motor.When the motor overload after heat actuating of relay, stop motor by control loop.After thermorelay heat protection, please check motor overload fault, the blue reset button by thermorelay please after fixing a breakdown, restart facility.
2, the complete medicine adding device of MDN type
The complete medicine adding device of MDN type is requirement in order to meet water treatment technology dosing and development and Design.Produced water treatment institute with medicament mainly contains germicide, corrosion inhibiting and descaling agent, water quality modification agent, flocculating agent, flocculation aid etc.Equipment manually power frequency regulates chemical feeding quantity, realizes quantitative, continuous, accurately dosing, can improve the effect of water treatment.
Device structure composition and feature
Medicine adding device is mainly made up of grug feeding jar, stirrer, metering pump, level meter, electric control cabinet, pipeline, valve, distributor, safety valve, damper, pressure gauge, safety check, frame etc.
Each parts are all installed concentratedly in a frame, and each electrical equipment, instrument are all concentrated and are assemblied in frame or Electric Appliance Cabinet, are together to form independently dosing unit.Reduced field erected workload and floor space, debugging and easy-to-operate put into operation.
Grug feeding jar is furnished with magnetic flap level gauge, can realize on the spot and showing.
Equipment operation
1) complete the preparation of liquid, by being manually added in batch meter from the charging hole on grug feeding jar top; The unlatching of stirrer and stop determining as required.
2) open operation metering pump import and export pipeline valve.
3) rotary pump starting button, priming pump.
4) in dosing process, often make an inspection tour grug feeding jar liquid level and change, supplement and add drug solns in time.
5) be in operation and should cut off in time working pump power supply as working pump breaks down, open, close respective valves, start stand by pump, continue dosing.
Stop transport
When time out of service, should first termination of pumping close again corresponding pipe valve.In the time that unit is stopped transport for a long time, should emit the solution in pump and pipeline, and with clear water rinse one time.
Electric control system operation and maintenance
All power supplies of this medicine adding device of general power breaker control, under general power circuit breaker, dosing pump and stirrer power major loop all have branch circuit breaker, can independently control dosing pump and stirrer, are conducive to entirety maintenance or the part maintenance of equipment.Concrete chemical feeding quantity can be by dosing throw of pump adjusting knob manual tune.
After general power and control power supply close a floodgate, red control power supply indicator is bright.
Press dosing pump start button, corresponding dosing pump starts, and green dosing pump run indicator is bright simultaneously.Press dosing pump stop button, corresponding dosing pump stops, and green dosing pump run indicator is gone out simultaneously.
Press stirrer start button, corresponding stirrer starts, and green stirrer run indicator is bright simultaneously.Press stirrer stop button, corresponding stirrer stops, and green stirrer run indicator is gone out simultaneously.
Manually boot dosing pump, specifically adding dose can, by dosing throw of pump adjusting knob manual tune, make to add more accurate.
Thermorelay is for Electric Machine Control, and current setting that must thermorelay is set to the load current value of controlled motor.When the motor overload after heat actuating of relay, stop motor by control loop.After thermorelay heat protection, please check motor overload fault, the blue reset button by thermorelay please after fixing a breakdown, restart facility.
Claims (4)
1. a medicine adding device, comprise diaphragm metering pump, drive motor and liquid total pipeline, described diaphragm metering pump comprises pumping entrance and pumping outlet, and described drive motor drives diaphragm metering pump work, it is characterized in that: described medicine adding device also comprises damper; The pumping outlet of described diaphragm metering pump connects by damper and liquid total pipeline.
2. medicine adding device according to claim 1, is characterized in that: described medicine adding device also comprises back pressure valve; The pumping outlet of described diaphragm metering pump connects by the pumping entrance of back pressure valve and diaphragm metering pump.
3. medicine adding device according to claim 1 and 2, is characterized in that: described medicine adding device also comprises and is arranged on the total pipeline flow measuring device being connected on liquid total pipeline and with drive motor.
4. medicine adding device according to claim 3, is characterized in that: described total pipeline flow measuring device comprises flow transmitter and frequency variator; Described flow transmitter is arranged on liquid total pipeline; Described frequency variator is connected with drive motor; Described flow transmitter and frequency variator are electrical connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093989.0U CN203771038U (en) | 2014-03-03 | 2014-03-03 | Chemical adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093989.0U CN203771038U (en) | 2014-03-03 | 2014-03-03 | Chemical adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771038U true CN203771038U (en) | 2014-08-13 |
Family
ID=51288229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093989.0U Expired - Lifetime CN203771038U (en) | 2014-03-03 | 2014-03-03 | Chemical adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203771038U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597838A (en) * | 2017-11-02 | 2018-01-19 | 郑州晨昱硕电子科技有限公司 | A kind of soil remediation continous way multi-stage crushing chemicals dosing plant |
| CN108036197A (en) * | 2017-12-19 | 2018-05-15 | 东北石油大学 | A kind of chemicals dosing plant with pressure and its adding method thereof with pressure |
| CN109210382A (en) * | 2018-11-13 | 2019-01-15 | 乐山师范学院 | A kind of nuclear magnetic tube quantifies aerator and its application method |
| CN110966171A (en) * | 2019-12-23 | 2020-04-07 | 湖南军信环保股份有限公司 | Flow control method, device and system of diaphragm pump and medium |
| CN112741820A (en) * | 2021-01-11 | 2021-05-04 | 丁鑫 | Sorting type full-automatic capsule polishing device |
| US20220151201A1 (en) * | 2019-03-18 | 2022-05-19 | Kanters Special Products B.V. | A drinking system |
-
2014
- 2014-03-03 CN CN201420093989.0U patent/CN203771038U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597838A (en) * | 2017-11-02 | 2018-01-19 | 郑州晨昱硕电子科技有限公司 | A kind of soil remediation continous way multi-stage crushing chemicals dosing plant |
| CN108036197A (en) * | 2017-12-19 | 2018-05-15 | 东北石油大学 | A kind of chemicals dosing plant with pressure and its adding method thereof with pressure |
| CN109210382A (en) * | 2018-11-13 | 2019-01-15 | 乐山师范学院 | A kind of nuclear magnetic tube quantifies aerator and its application method |
| CN109210382B (en) * | 2018-11-13 | 2023-09-01 | 乐山师范学院 | Nuclear magnetic tube quantitative air-filling device and use method thereof |
| US20220151201A1 (en) * | 2019-03-18 | 2022-05-19 | Kanters Special Products B.V. | A drinking system |
| CN110966171A (en) * | 2019-12-23 | 2020-04-07 | 湖南军信环保股份有限公司 | Flow control method, device and system of diaphragm pump and medium |
| CN110966171B (en) * | 2019-12-23 | 2021-04-27 | 湖南军信环保股份有限公司 | Flow control method, device and system of diaphragm pump and medium |
| CN112741820A (en) * | 2021-01-11 | 2021-05-04 | 丁鑫 | Sorting type full-automatic capsule polishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |