CN102784571A - Medicine dispensation process by means of only one pump in sewage treatment - Google Patents
Medicine dispensation process by means of only one pump in sewage treatment Download PDFInfo
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- CN102784571A CN102784571A CN201210312356XA CN201210312356A CN102784571A CN 102784571 A CN102784571 A CN 102784571A CN 201210312356X A CN201210312356X A CN 201210312356XA CN 201210312356 A CN201210312356 A CN 201210312356A CN 102784571 A CN102784571 A CN 102784571A
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- centrifugal pump
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Abstract
The invention discloses a medicine dispensation process by means of only one pump in sewage treatment, and relates to the technical field of the dispensation process of the sewage. The pump dispensation process in sewage treatment comprises the following steps of: a, adding water and coagulant into a dispensation tank; b, closing a solenoid valve B, opening a solenoid valve A, opening a centrifugal pump, opening a solenoid valve D, circularly stirring the liquid after the liquid flows into the dispensation tank through a circularly stirred pump-in tube, a pump inlet tube, a stirring tube and a stirring nozzle; c, closing the centrifugal pump, the solenoid valve A and the solenoid valve D after the coagulants, for sewage treatment, are uniformly stirred and adequately dissolved, and opening a discharging valve to enable the liquid medicine to flow into a liquid medicine storage tank; d, opening the solenoid valve B, so that the liquid medicine flows into the centrifugal pump, opening the centrifugal pump and a solenoid valve C, and calculating the flow of the liquid medicine by a rotor flow meter and delivering the liquid medicine to the required units in sewage treatment through a discharge tube of the liquid medicine storage tank and a liquid medicine delivery tube. The dispensation process in sewage treatment has the characteristics that one pump has double uses, and the investment of the pump and the equipment for carrying out mechanical stirring is saved, the maintenance is convenient, and the operation is simple.
Description
Technical field
The present invention relates to the technology field of making up a prescription in the sewage disposal device.
Background technology
The agitator that the electrical motor gearshift that sewage plant that generally sell in the market and general is using drives stirs dispensing method.
Whipped form mainly is made up of stirring motor, high transmission ratio decelerator, stirring vane, dispensing canister, support stand etc.; The high transmission ratio decelerator generally adopts the cycloidal-pin wheel decelerator; This reducer structure is complicated, the accuracy of manufacture require high, cost is high, maintenance difficulty is big, very high to the technical merit requirement of service worker; General this kind reductor all renews when fault is arranged, and causes the maintenance and repair cost high.
The rated power of various sizes and the dispensation apparatus stirring motor that using generally all stirs power demand much larger than reality on the environmental protection equipment company sample for a long time, and motor power factor is low, causes low load with strong power, and usefulness is very low.Main cause is that designer in the industry has got used to the stirring motor power of the unidimensional specification of analogy, confirms the power of motor of new deisgn product in line with the thinking of amplifying again, insuring a bit again.
Dispensation apparatus is installed to that need running water pipe to be caused chemicals dosing plant behind the sewage plant suitable for reading, during work, by required configuration concentration; Metering coagulant injected volume, the coagulant with required respective amount joins in the dispensing canister earlier, opens running water again and joins in the dispensing canister; Liquid level graduation mark place closes water valve from the beginning on water to the dispensing canister, opens stirring motor drive blade then and stirs, after stirring; All enter in the soup storage tank, carry out next circulation again, wait for entering the soup storage tank next time; The soup that has configured in the soup storage tank exports the required unit of sewage treatment facility to via measuring pump.Therefore, the vacancy rate of stirring motor is high, as: sewage disposal is adopted under the air supporting treatment process mode situation, generally stirs one case soup, and stirring motor needed work 1 hour, and one the case soup can use 8 to 12 hours, the vacancy rate 87.5% to 91.7% of stirring motor.
This is that the defective of power is with the motor stirring: usefulness is low, complex structure, the accuracy of manufacture require high, cost is high, maintenance difficulty is big, to the technical merit of service worker require very high, mixing time long, power consumption greatly, lness ratio of plant is high.
Application number: disclose with pump in 200910039415.9 one Chinese patent application automatic chemical dosing jet flow mixing and the water pump stirring sewage treatment system document and done the dispensation apparatus that stirs power; But the defective that this device exists: dispense water is from cesspool; Sewage will make the soup of preparation produce flocculation sediment, and drug effect is descended, and the thing of flocculation sediment; Again after the delivery cycle of pump, the dirt of flocculation is stirred again and is lost the effect of flocculation.
Summary of the invention
In order to overcome the defective that above-mentioned prior art exists, the object of the present invention is to provide a kind ofly reduce the mechanical agitation energy consumption, save the mechanical agitation investment, efficient is high, a pump easy to maintenance makes up a prescription technology.
The following technology of passing through of technical scheme of the present invention realizes; This technology comprises: dispensing canister 1, liquid level sensor 2, workbench 3, evacuated tube 4, exhaust-valve 5, soup storage tank 6, circulation are stirred pump line 7, magnetic valve A8, soup storage tank discharge nozzle 9, magnetic valve B10, soup carrier pipe 11, spinner flowmeter 12, magnetic valve C13, pumping intake piping 14, centrifugal pump 15, pump discharge pipe 16, magnetic valve D17, stirring pipe 18, discharge nozzle 19, bleeder valve 20, are stirred nozzle 21, tightening screw 31, tightening packing ring 32, stirring nozzle inlet pipe 33, stirring jet expansion pipe 34, taper pipe thread 35, common fine thread 36; It is characterized in that dispensing canister 1 bottom one side connects circulation and stirs pump line 7, circulation is stirred pump line 7 one ends and is connected soup storage tank discharge nozzle 9, and the other end connects centrifugal pump 15; Dispensing canister 1 bottom one side connects discharge nozzle 19, and described discharge nozzle 19 connects soup storage tank 6, and bleeder valve 20 is installed on the discharge nozzle 19; Pump discharge pipe 16 connects soup carrier pipe 11 and stirring pipe 18 respectively, and stirring pipe 18 connects stirring nozzle 21, and magnetic valve D17 is installed on the stirring pipe 18; Described dispensing canister 1 upper lateral part is installed liquid level sensor 2, and the bottom centre place connects evacuated tube 4, and exhaust-valve 5 is installed on the evacuated tube 4; Soup storage tank 6 connects soup storage tank discharge nozzle 9; Described soup carrier pipe 11 is installed spinner flowmeter and magnetic valve C13; Bleeder valve 20 is installed on the described discharge nozzle 19; Described circulation is stirred into and on the pump line 7 magnetic valve A8 is installed; Described stirring nozzle 21 links together through common fine thread 36 and dispensing canister 1, dispensing canister 1 wall external application seal washer 32, tightening screw 31 and taper pipe thread 35 and dispensing canister 1 tightening; Described stirring nozzle, stirring nozzle inlet pipe 33 is 60 ° with the angle that stirs nozzle 34 outlet center lines.
Described pumping intake piping 14 connects soup storage tank discharge nozzle 9 respectively and stirs pump line 7 with circulation.
On the described soup storage tank discharge nozzle 9 magnetic valve B10 is housed; Described magnetic valve A8 places circulation to stir on the pump line 7.
The processing step that makes up a prescription is following:
A, the used coagulant of sewage disposal is added when in dispensing canister 1, adding running water, stop to add water when adding water to liquid level sensor 2 water levels;
B, close magnetic valve B10; Open magnetic valve A8, close magnetic valve C13, open centrifugal pump 15; Opens solenoid valve D17, the supernatant in the dispensing canister 1 stir pump line 7, pumping intake piping 14, centrifugal pump 15, stirring pipe 18 and stir nozzle 21 through circulation and get into the stirring that circulates in the dispensing canister 1;
C, treat that FZC coagulant for treating sewage stirs and fully close centrifugal pump 15, magnetic valve A8 and magnetic valve D17 after the dissolving; The bleeder valve of opening on the discharge nozzle 19 20 makes soup get into soup storage tank 6;
When the required unit of d, sewage treatment facility needs soup; Opens solenoid valve B10; Soup gets into centrifugal pump 15; Open centrifugal pump 15, open magnetic valve C13 soup is delivered to sewage treatment facility through soup storage tank discharge nozzle 9, pumping intake piping 14, centrifugal pump 15, pump discharge pipe 16, spinner flowmeter 12, soup carrier pipe 11 required unit.
When e, dispensing canister 1 cleans, open on the evacuated tube 4 with exhaust-valve 5 clean with emptying dispensing canister 1 in impurity.
Pump in the described sewage disposal mixing time described in the processing step b of making up a prescription is 20 ~ 40min.
Described centrifugal pump 15 is a plastic centrifugal pump.
1/2 place that the mouth of pipe of pump line 7 into is installed on dispensing canister 1 height overall is stirred in circulation described in the step b.
Stirring nozzle 21 described in the step b is that the liquid of 60 ° of circulations makes liquid in rotation in the jar to stir nozzle inlet pipe 33 in getting into dispensing canister 1 with stirring nozzle 34 outlet center lines, and sewage disposal coagulant is stirred.
Beneficial effect
Save churned mechanically equipment investment;
Centrifugal pump can be realized making up a prescription and making up a prescription accomplishing the operation task that the required unit of soup sewage treatment facility is carried in the back, realizes a pump dual-purpose, the saving equipment investment;
Described centrifugal pump 15 is a plastic centrifugal pump, corrosion-resistant, cost is low, power is little, energy consumption is low, simple to operate, the working service cost is low.
1/2 place that the mouth of pipe of pump line 7 into is positioned at dispensing canister 1 height overall is stirred in circulation described in the step b, avoids the circulation of bulk solid particles clog to stir pump line 7.
Description of drawings
Fig. 1: the pump dispensation apparatus front view in the sewage disposal;
Fig. 2: the pump dispensation apparatus vertical view in the sewage disposal;
Fig. 3: stir the nozzle partial enlarged drawing;
Fig. 4: stir the nozzle cutaway view.
Among the figure: 1 dispensing canister; 2 liquid level sensors; 3 workbench; 4 evacuated tube, 5 exhaust-valves; 6 soup storage tanks; 7 circulations stir pump line; 8 magnetic valve A; 9 soup storage tank discharge nozzles; 10 magnetic valve B; 11 soup carrier pipes; 12 spinner flowmeters; 13 magnetic valve C; 14 pumping intake pipings; 15 centrifugal pumps; 16 pump discharge pipes; 17 magnetic valve D; 18 stirring pipe; 19 discharge nozzles; 20 bleeder valves; 21 stir nozzle; 31 tightening screws; 32 tightening packing rings; 33 stir the nozzle inlet pipe; 34 stir the jet expansion pipe; 35 taper pipe threads; 36 common fine threads.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further specified.
The passing through of technical scheme of the present invention realized with lower device; This device comprises: dispensing canister 1, liquid level sensor 2, workbench 3, evacuated tube 4, exhaust-valve 5, soup storage tank 6, circulation are stirred pump line 7, magnetic valve A8, soup storage tank discharge nozzle 9, magnetic valve B10, soup carrier pipe 11, spinner flowmeter 12, magnetic valve C13, pumping intake piping 14, centrifugal pump 15, pump discharge pipe 16, magnetic valve D17, stirring pipe 18, discharge nozzle 19, bleeder valve 20, are stirred nozzle 21, tightening screw 31, tightening packing ring 32, stirring nozzle inlet pipe 33, stirring jet expansion pipe 34, taper pipe thread 35, common fine thread 36; Dispensing canister 1 bottom one side connects circulation and stirs pump line 7, and circulation is stirred pump line 7 one ends and connected soup storage tank discharge nozzle 9, and the other end connects centrifugal pump 15; Dispensing canister 1 bottom one side connects discharge nozzle 19, and described discharge nozzle 19 connects soup storage tank 6, and bleeder valve 20 is housed on the discharge nozzle 19; Pump discharge pipe 16 connects soup carrier pipe 11 and stirring pipe 18 respectively, and stirring pipe 18 connects stirring nozzle 21, and magnetic valve D17 is housed on the stirring pipe 18; Described dispensing canister 1 upper lateral part is installed liquid level sensor 2, and the bottom centre place connects evacuated tube 4, and exhaust-valve 5 is housed on the evacuated tube 4; Soup storage tank 6 connects soup storage tank discharge nozzle 9; Described soup carrier pipe 11 is installed spinner flowmeter and magnetic valve C13; Bleeder valve 20 is installed on the described discharge nozzle 19; Described circulation is stirred into and on the pump line 7 magnetic valve A8 is installed; Described stirring nozzle 21 is connected with dispensing canister 1 through common fine thread 36, dispensing canister 1 wall external application seal washer 32, tightening screw 31 and taper pipe thread 35 and dispensing canister 1 tightening; Described stirring nozzle, stirring nozzle inlet pipe 33 is 60 ° with the angle that stirs nozzle 34 outlet center lines.
Described pumping intake piping 14 connects soup storage tank discharge nozzle 9 respectively and stirs pump line 7 with circulation.
On the described soup storage tank discharge nozzle 9 magnetic valve B10 is housed; Described magnetic valve A8 places circulation to stir on the pump line 7.
Technical process peace following steps are carried out:
A, the used coagulant of sewage disposal is added when in dispensing canister 1, adding running water, stop to add water when adding water to liquid level sensor 2 water levels;
B, close magnetic valve B10; Open magnetic valve A8, close magnetic valve C13, open centrifugal pump 15; Opens solenoid valve D17, the supernatant in the dispensing canister 1 stir pump line 7, pumping intake piping 14, centrifugal pump 15, stirring pipe 18 and stir nozzle 21 through circulation and get into the stirring that circulates in the dispensing canister 1;
C, treat that FZC coagulant for treating sewage stirs and fully close centrifugal pump 15, magnetic valve A8 and magnetic valve D17 after the dissolving; The bleeder valve of opening on the discharge nozzle 19 20 makes soup get into soup storage tank 6;
When the required unit of d, sewage treatment facility needs soup; Opens solenoid valve B10; Soup gets into centrifugal pump 15; Open centrifugal pump 15, open magnetic valve C13 soup is delivered to sewage treatment facility through soup storage tank discharge nozzle 9, pumping intake piping 14, centrifugal pump 15, pump discharge pipe 16, spinner flowmeter 12, soup carrier pipe 11 required unit.
Pump in the described sewage disposal processing step b mixing time of making up a prescription is 20min.
Described centrifugal pump 15 is a plastic centrifugal pump.
1/2 place that the mouth of pipe of pump line 7 into is positioned at dispensing canister 1 height overall is stirred in the described circulation of step b.
The described stirring nozzle 21 of step b is that the liquid of 60 ° of circulations makes liquid in rotation in the jar to stir nozzle inlet pipe 33 in getting into dispensing canister 1 with stirring nozzle 34 outlet center lines, and sewage disposal coagulant is stirred.
When dispensing canister cleans, open on the evacuated tube 4 with exhaust-valve 5 clean with emptying dispensing canister 1 in impurity.
Dispensing canister 1 bottom one side connects circulation and stirs pump line 7, and circulation is stirred pump line 7 one ends and connected soup storage tank discharge nozzle 9, and the other end connects centrifugal pump 15; Dispensing canister 1 bottom one side connects discharge nozzle 19, and described discharge nozzle 19 connects soup storage tank 6, and bleeder valve 20 is housed on the discharge nozzle 19; Pump discharge pipe 16 connects soup carrier pipe 11 and stirring pipe 18 respectively, and stirring pipe 18 connects stirring nozzle 21, and magnetic valve D17 is housed on the stirring pipe 18; Described dispensing canister 1 upper lateral part is installed liquid level sensor 2, and the bottom centre place connects evacuated tube 4, and exhaust-valve 5 is housed on the evacuated tube 4; Soup storage tank 6 connects soup storage tank discharge nozzle 9; Described soup carrier pipe 11 is installed spinner flowmeter and magnetic valve C13; Bleeder valve 20 is installed on the described discharge nozzle 19; Described circulation is stirred into and on the pump line 7 magnetic valve A8 is installed; Described stirring nozzle 21 is connected with dispensing canister 1 through common fine thread 36, dispensing canister 1 wall external application seal washer 32, tightening screw 31 and taper pipe thread 35 and dispensing canister 1 tightening; Described stirring nozzle, stirring nozzle inlet pipe 33 is 60 ° with the angle that stirs nozzle 34 outlet center lines.
Described pumping intake piping 14 connects soup storage tank discharge nozzle 9 respectively and stirs pump line 7 with circulation.
On the described soup storage tank discharge nozzle 9 magnetic valve B10 is housed; Described magnetic valve A8 places circulation to stir on the pump line 7.
Technical process peace following steps are carried out:
A, the used coagulant of sewage disposal is added when in dispensing canister 1, adding running water, stop to add water when adding water to liquid level sensor 2 water levels;
B, close magnetic valve B10; Open magnetic valve A8, close magnetic valve C13, open centrifugal pump 15; Opens solenoid valve D17, the supernatant in the dispensing canister 1 stir pump line 7, pumping intake piping 14, centrifugal pump 15, stirring pipe 18 and stir nozzle 21 through circulation and get into the stirring that circulates in the dispensing canister 1;
C, treat that FZC coagulant for treating sewage stirs and fully close centrifugal pump 15, magnetic valve A8 and magnetic valve D17 after the dissolving; The bleeder valve of opening on the discharge nozzle 19 20 makes soup get into soup storage tank 6;
When the required unit of d, sewage treatment facility needs soup; Opens solenoid valve B10; Soup gets into centrifugal pump 15; Open centrifugal pump 15, open magnetic valve C13 soup is delivered to sewage treatment facility through soup storage tank discharge nozzle 9, pumping intake piping 14, centrifugal pump 15, pump discharge pipe 16, spinner flowmeter 12, soup carrier pipe 11 required unit.
Pump in the described sewage disposal described mixing time of processing step b of making up a prescription is 30min.
Described centrifugal pump 15 is a plastic centrifugal pump.
Stir in the liquid for the circulation that guarantee to get into centrifugal pump 15 and not contain the solid coagulant, 1/2 place that the mouth of pipe of pump line 7 into is positioned at dispensing canister 1 height overall is stirred in the described circulation of step b.
The described stirring nozzle 21 of step b is that the liquid of 60 ° of circulations makes liquid in rotation in the jar to stir nozzle inlet pipe 33 in getting into dispensing canister 1 with stirring nozzle 34 outlet center lines, and sewage disposal coagulant is stirred.
Technical process peace following steps are carried out:
A, the used coagulant of sewage disposal is added when in dispensing canister 1, adding running water, stop to add water when adding water to liquid level sensor 2 water levels;
B, close magnetic valve B10; Open magnetic valve A8, close magnetic valve C13, open centrifugal pump 15; Opens solenoid valve D17, the supernatant in the dispensing canister 1 stir pump line 7, pumping intake piping 14, centrifugal pump 15, stirring pipe 18 and stir nozzle 21 through circulation and get into the stirring that circulates in the dispensing canister 1;
C, treat that FZC coagulant for treating sewage stirs and fully close centrifugal pump 15, magnetic valve A8 and magnetic valve D17 after the dissolving; The bleeder valve of opening on the discharge nozzle 19 20 makes soup get into soup storage tank 6;
When the required unit of d, sewage treatment facility needs soup; Opens solenoid valve B10; Soup gets into centrifugal pump 15; Open centrifugal pump 15, open magnetic valve C13 soup is delivered to sewage treatment facility through soup storage tank discharge nozzle 9, pumping intake piping 14, centrifugal pump 15, pump discharge pipe 16, spinner flowmeter 12, soup carrier pipe 11 required unit.
When e, dispensing canister 1 cleans, open on the evacuated tube 4 with exhaust-valve 5 clean with emptying dispensing canister 1 in impurity.
Pump in the described sewage disposal described mixing time of processing step b of making up a prescription is 40min.
Described centrifugal pump 15 is a plastic centrifugal pump.
Stir in the liquid for the circulation that guarantee to get into centrifugal pump 15 and not contain the solid coagulant, 1/2 place that the mouth of pipe of pump line 7 into is positioned at dispensing canister 1 height overall is stirred in the described circulation of step b.
The described stirring nozzle 21 of step b is that the liquid of 60 ° of circulations makes liquid in rotation in the jar to stir nozzle inlet pipe 33 in getting into dispensing canister 1 with stirring nozzle 34 outlet center lines, and sewage disposal coagulant is stirred.
Claims (4)
1. the technology of making up a prescription of the pump in the sewage disposal is characterized in that this technology may further comprise the steps:
A, the used coagulant of sewage disposal is added when in dispensing canister 1, adding running water, stop to add water when adding water to the liquid level sensor water level;
B, close magnetic valve B, open magnetic valve A, close magnetic valve C, open centrifugal pump, opens solenoid valve D, the supernatant in the dispensing canister stirs pump line, pumping intake piping, centrifugal pump, stirring pipe and stirring nozzle through circulation and gets into the stirring that circulates in the dispensing canister;
C, treat that FZC coagulant for treating sewage stirs and fully close centrifugal pump, magnetic valve A and magnetic valve D after the dissolving; The bleeder valve of opening on the discharge nozzle makes soup get into the soup storage tank;
When the required unit of d, sewage treatment facility needs soup; Opens solenoid valve B; Soup gets into centrifugal pump; Open centrifugal pump, open magnetic valve C soup is delivered to sewage treatment facility through soup storage tank discharge nozzle, pumping intake piping, centrifugal pump, pump discharge pipe, spinner flowmeter, soup carrier pipe required unit.
2. the technology of making up a prescription of the pump in the sewage disposal as claimed in claim 1 is characterized in that step b mixing time is 30 ~ 40min.
3. centrifugal pump as claimed in claim 1 is a plastic centrifugal pump.
4. the process of making up a prescription of the pump in the sewage disposal as claimed in claim 1 is characterized in that the described circulation of step b stirs 1/2 place that the mouth of pipe of pump line into is installed on the dispensing canister height overall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312356.XA CN102784571B (en) | 2012-08-30 | 2012-08-30 | Medicine dispensation process by means of only one pump in sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312356.XA CN102784571B (en) | 2012-08-30 | 2012-08-30 | Medicine dispensation process by means of only one pump in sewage treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102784571A true CN102784571A (en) | 2012-11-21 |
| CN102784571B CN102784571B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210312356.XA Expired - Fee Related CN102784571B (en) | 2012-08-30 | 2012-08-30 | Medicine dispensation process by means of only one pump in sewage treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174310A (en) * | 2013-05-21 | 2014-12-03 | 中国石油天然气股份有限公司 | Medicine dosing and adding apparatus used for oilfield wastewater treatment, and medicine dosing and adding method |
| CN104706522A (en) * | 2015-02-10 | 2015-06-17 | 山西新富氧科技股份有限公司 | Novel intelligent temperature control and water supply nose washing device |
| CN109430217A (en) * | 2018-12-12 | 2019-03-08 | 济南大学 | A kind of spraying machine mixes medicine and medication delivery systems and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412266A (en) * | 2008-11-25 | 2009-04-22 | 三一重工股份有限公司 | Adding apparatus and additive chamber for liquid additive |
-
2012
- 2012-08-30 CN CN201210312356.XA patent/CN102784571B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412266A (en) * | 2008-11-25 | 2009-04-22 | 三一重工股份有限公司 | Adding apparatus and additive chamber for liquid additive |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174310A (en) * | 2013-05-21 | 2014-12-03 | 中国石油天然气股份有限公司 | Medicine dosing and adding apparatus used for oilfield wastewater treatment, and medicine dosing and adding method |
| CN104174310B (en) * | 2013-05-21 | 2016-06-08 | 中国石油天然气股份有限公司 | Make up a prescription chemicals dosing plant and the adding method thereof that makes up a prescription for oil field wastewater treatment |
| CN104706522A (en) * | 2015-02-10 | 2015-06-17 | 山西新富氧科技股份有限公司 | Novel intelligent temperature control and water supply nose washing device |
| CN104706522B (en) * | 2015-02-10 | 2016-11-23 | 山西新富氧科技股份有限公司 | A kind of novel intelligent temperature control, confession washing nasal devices |
| CN109430217A (en) * | 2018-12-12 | 2019-03-08 | 济南大学 | A kind of spraying machine mixes medicine and medication delivery systems and method |
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| Publication number | Publication date |
|---|---|
| CN102784571B (en) | 2014-07-09 |
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