CN204122089U - Metering chemical feeding device under a kind of barotropic state - Google Patents

Metering chemical feeding device under a kind of barotropic state Download PDF

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Publication number
CN204122089U
CN204122089U CN201420445228.7U CN201420445228U CN204122089U CN 204122089 U CN204122089 U CN 204122089U CN 201420445228 U CN201420445228 U CN 201420445228U CN 204122089 U CN204122089 U CN 204122089U
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China
Prior art keywords
feeding jar
grug feeding
drug delivery
valve control
pass valve
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CN201420445228.7U
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Chinese (zh)
Inventor
谢永生
谢丽娟
盛士新
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PANZHIHUA GANGCHENG GROUP RUITIAN SAFETY AND ENVIRONMENTAL PROTECTION CO Ltd
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PANZHIHUA GANGCHENG GROUP RUITIAN SAFETY AND ENVIRONMENTAL PROTECTION CO Ltd
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Abstract

The utility model discloses one and add drug stabilisation, the metering chemical feeding device under a kind of barotropic state avoiding dosing timer acutely to shake, comprise dispensing canister, drug delivery pump, grug feeding jar and gas pressue device; Described dispensing canister is connected with the upper end of grug feeding jar by drug delivery pump, and the connection of described drug delivery pump and grug feeding jar is provided with by-pass valve control; Described grug feeding jar is closed container, and the upper end of grug feeding jar is provided with evacuation port, and described evacuation port is provided with by-pass valve control, and the lower end of described grug feeding jar is provided with dosing mouth, and described dosing mouth is also provided with by-pass valve control, and described grug feeding jar is also provided with liquid level gauge; Described gas pressurized device is connected with the upper end of grug feeding jar.This device cuts down potential difference between reactor and grug feeding jar and pressure reduction, avoids the shake that chemicals dosing plant is frequently violent, greatly reduces the impact on equipment and destruction, extend the service life of equipment, ensure that the accurate measurement adding medicament simultaneously.

Description

Metering chemical feeding device under a kind of barotropic state
Technical field
The utility model relates to a kind of chemicals dosing plant, the metering chemical feeding device under especially a kind of barotropic state.
Background technology
At present, in the industrial production, delivery of medicaments in the consersion unit closed usually is needed.Traditional adding method thereof is chemicals dosing plant by surface-based measuring pump to the pinnacled reactor delivery of medicaments of installation.Because measuring pump measures in a pulsed fashion, and how to operate in atmospheric conditions, when forming malleation gradually to when being in the consersion unit delivery of medicaments of closed state in still, in addition reactor installation site is higher, and define larger potential difference and pressure reduction between metering chemical feeding device, when making dosing there is violent shake in the related conveyance conduit of measuring pump together, even cause measuring pump Pressure gauge overpressure failure, measuring pump damages leakage and conveyance conduit breaks, cause final measuring difficulties, and obviously affect operator safety.
Utility model content
Problem to be solved in the utility model there is provided one and adds drug stabilisation, the metering chemical feeding device under a kind of barotropic state avoiding dosing timer acutely to shake.
The utility model solves the technical scheme that its technical problem adopts: the metering chemical feeding device under a kind of barotropic state, comprises dispensing canister, drug delivery pump, grug feeding jar and gas pressue device; Described dispensing canister is connected with the upper end of grug feeding jar by drug delivery pump, and the connection of described drug delivery pump and grug feeding jar is provided with by-pass valve control; Described grug feeding jar is closed container, and the upper end of grug feeding jar is provided with evacuation port, and described evacuation port is provided with by-pass valve control, and the lower end of described grug feeding jar is provided with dosing mouth, and described dosing mouth is also provided with by-pass valve control, and described grug feeding jar is also provided with liquid level gauge; Described gas pressurized device is connected with the upper end of grug feeding jar.
Further, in the connection of described dispensing canister and drug delivery pump, the connection of gas pressurized device and grug feeding jar is equipped with by-pass valve control.
Further, also comprise check-valves, described check-valves is connected with the by-pass valve control that dosing mouth is arranged.
Further, agitating device is provided with in described dispensing canister.
Further, described grug feeding jar is the pressure vessel made with resistant material.
Further, the volume of described dispensing canister is greater than the volume of grug feeding jar.
Further, the rated discharge pressure of described gas pressurized device is more than 0.5MPa.
Further, described dispensing canister, drug delivery pump, liquid level gauge, by-pass valve control all adopt corrosion resistant toughness material to make.
Further, above-mentioned corrosion resistant toughness material is PPH material or PPR material.
Further, described drug delivery pump is centrifugal pump, and described gas pressurized device is air compressor.
The beneficial effects of the utility model are: by drug delivery pump the drug delivery in dispensing canister to arranging in pinnacled grug feeding jar to dosing in reactor, eliminate position difference during dosing; When carrying out metering dosing under barotropic state, by the slow supercharging in grug feeding jar of gas pressurized device, reduce the pressure differential between grug feeding jar and reactor, avoid the problem that in dosing process, chemicals dosing plant is acutely shaken, achieve the object of steady delivery of medicaments in reactor; Compared with prior art, this device cuts down potential difference between reactor and grug feeding jar and pressure reduction, avoids the shake that chemicals dosing plant is frequently violent, greatly reduces the impact on equipment and destruction, extend the service life of equipment, ensure that the accurate measurement adding medicament simultaneously.Check-valves can prevent the medicament backflow added in reactor.Agitating device adds medicine in dispensing canister and water makes to mix for stirring.Select resistant material, can proterctive equipment, avoid medicament to corrode leakage and device is leaked, the service life of further extension device.It is simple that this metering chemical feeding device also has structure, with low cost, easy-to-operate, the advantages such as environmental suitability is strong.
Accompanying drawing explanation
Fig. 1 is enforcement structural representation of the present utility model;
Be labeled as in figure: dispensing canister 1, agitating device 11, drug delivery pump 2, grug feeding jar 3, evacuation port 31, dosing mouth 32, liquid level gauge 33, gas pressurized device 4, by-pass valve control 5, check-valves 6 and reactor 7.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the metering chemical feeding device under a kind of barotropic state, comprises dispensing canister 1, drug delivery pump 2, grug feeding jar 3 and gas pressue device 4; Described dispensing canister 1 is connected by the upper end of drug delivery pump 2 with grug feeding jar 3, and described drug delivery pump 2 is provided with by-pass valve control 5 with the connection of grug feeding jar 3; Described grug feeding jar 3 is closed container, the upper end of grug feeding jar 3 is provided with evacuation port 31, and described evacuation port 31 is provided with by-pass valve control 5, and the lower end of described grug feeding jar 3 is provided with dosing mouth 32, described dosing mouth 32 is also provided with by-pass valve control 5, described grug feeding jar 3 is also provided with liquid level gauge 33; Described gas pressurized device 4 is connected with the upper end of grug feeding jar 3.
Wherein, dispensing canister 1 is positioned over the operations such as the convenient artificial interpolation medicine in ground, can reduce the labour intensity made up a prescription, be convenient to supplement medicament in time in grug feeding jar 3.Bottom and the drug delivery pump 2 of dispensing canister 1 are linked together by conveyance conduit, drug delivery pump 2 for by the drug delivery in dispensing canister 1 to the grug feeding jar 3 being arranged in eminence, corrosion resistant pump (such as: corrosion resistant centrifugal pump) generally selected by drug delivery pump 2.Grug feeding jar 3 is airtight and can bears the container of certain pressure, its lower end is provided with dosing mouth 32, dosing mouth 32 is provided with one and is added into by-pass valve control 5 in reactor 7 for controlling medicament, during in order to eliminate potential difference installation grug feeding jar 3, ensure that dosing mouth 32 and the medicine inlet port on reactor 7 are generally within same level height; The upper end of grug feeding jar 3 is connected with gas pressue device 4 with drug delivery pump 2 respectively, the upper end of grug feeding jar 3 is also provided with evacuation port 31, evacuation port 31 facilitates grug feeding jar 3 to be in communication with the outside, and timely pressure release when being convenient to hypertonia in grug feeding jar 3, prevents the equipment caused because of pressure instability from rocking.The tank body of described grug feeding jar 3 is provided with a liquid level gauge 33, for observing the pharmaceutical quantities in grug feeding jar 3 in time, liquid level gauge 33 not only can react grug feeding jar 3 dosage of drug in time, us are facilitated to think delivery of medicaments in grug feeding jar 3, can also accurate measurement (when equipment is not acutely shaken) to the dosing situation in reactor 7, prevent from adding in consersion unit the excessive or deficiency of medicament and to induce reaction exception.Gas pressurized device 4 for adding Compressed Gas to increase the pressure in grug feeding jar 3 in grug feeding jar 3 during dosing, prevent the equipment that in grug feeding jar 3, pressure causes lower than pressure in reactor 7 from rocking, gas pressurized device 4 is generally air compressor, and gas pressurized device 4 also can be nitrogen compressor or other gas (other gas is for causing dysgenic gas to reaction in the medicament property of medicine and reactor 7) compressor.This device forms primarily of dispensing canister 1, drug delivery pump 2, grug feeding jar 3, gas pressurized device 4 and by-pass valve control 5, and between each parts, the corrosion resistant pipeline of general employing connects; Its structure is simple, cheap, easy to operate, is easy to maintenance.
As can be seen from Figure 1, described dispensing canister 1 is with in the connection of drug delivery pump 2, gas pressurized device 4 and the connection of grug feeding jar 3 are equipped with by-pass valve control 5.
Preferably, this device also comprises check-valves 6, and described check-valves 6 is connected with the by-pass valve control 5 that dosing mouth 32 is arranged, and check-valves 6 is connected with reactor 7 again; Check-valves 6 can prevent adding medicament in reactor 7 and reflux in grug feeding jar 3, and the corrosion resistant toughness material of general employing makes.
In order to the medicament in dispensing canister 1 is stirred, be provided with agitating device 11 in described dispensing canister 1, agitating device 11 generally adopts corrosion resistant toughness material to make.
Concrete, described grug feeding jar 3 is the pressure vessel made with resistant material; The volume of described dispensing canister 1 is greater than the volume of grug feeding jar 3, is convenient to continue to add medicament in grug feeding jar 3.
Concrete, the rated discharge pressure of described gas pressurized device 4 is more than 0.5MPa.
Wherein, described dispensing canister 1, drug delivery pump 2, liquid level gauge 33, by-pass valve control 5 and the pipeline for connecting generally all adopt corrosion resistant toughness material to make, like this can proterctive equipment, extension device service life, avoid medicament that corrosion occurs and reveal.Preferably, adopt corrosion resistant toughness material to be PPH material or PPR material; PPH is a kind of meliorative polypropylene material, it is a kind of HMW, the HOPP of eutectic flow rate, it has fine and smooth crystalline texture through β modification, not only there is excellent chemical resistance, heat-resisting quantity and good creep resistance, and also there is excellent impact resistance at low temperatures.Add hydrostatic strength, enhance chemical resistance; PPR (polypropylene random), make again atactic copolymerized polypropene (PPR) its toughness of products good, intensity is high, and processing characteristics is excellent, under higher temperature, creep-resistant property is good, and has the distinctive high transparent advantage of atactic copolymerized polypropene.
Concrete, described drug delivery pump 2 is centrifugal pump, and described gas pressurized device 4 is air compressor.
Operation principle: add solid chemicals and water in dispensing canister 1, starts agitating device 11 and stirs 15min, stop agitating device 11; Open the by-pass valve control 5 between dispensing canister 1 and drug delivery pump 2, between drug delivery pump 2 and grug feeding jar 3 respectively, open the by-pass valve control 5 in grug feeding jar 3 on evacuation port 31, keep pressure in grug feeding jar 3 and dispensing canister 1 equal, starting drug delivery pump 2 is transported in grug feeding jar 3 by the medicament aqueous solution prepared, and observes liquid level gauge 33 to determine the liquid level in grug feeding jar 3; When liquid level is close to peak, stop drug delivery pump 2, close the by-pass valve control 5 between dispensing canister 1 and drug delivery pump 2, between drug delivery pump 2 and grug feeding jar 3, close the by-pass valve control 5 on evacuation port 31 in grug feeding jar 3; When reactor 7 prepares to react, open the by-pass valve control 5 on dosing mouth 32, open by-pass valve control 5 between gas pressurized device 4 and dosing mouth 32, open the valve on reactor 7, start gas pressurized device 4 to pressurize in grug feeding jar 3, start to dosing in reactor 7, during dosing, ensure that in pressure and reactor 7, pressure is close in grug feeding jar 3; When the liquid level of liquid level gauge 33 drops to appointment liquid level, close the by-pass valve control 5 on dosing mouth 32, stop gas pressurized device 4 and the by-pass valve control 5 of closing between gas pressurized device 4 and dosing mouth 32, the by-pass valve control 5 opened in grug feeding jar 3 on evacuation port 31 carries out pressure release, is closed after pressure release.
Daily when not carrying out feeding operations, should by all by-pass valve control 5 Close Alls.Install pinnacled grug feeding jar 3, its level height, generally a little more than reactor 7, ensure that dosing mouth 32 and the medicine inlet port on reactor 7 are generally within same level height, potential difference when eliminating dosing between grug feeding jar 3 and reactor 7; By gas pressurized device 4 slowly to supercharging in grug feeding jar 3, delivery of medicaments stable in reactor 7 can be realized, medicament suck-back can be prevented, reduce in course of conveying because of the pressure differential between reactor 7 and grug feeding jar 3; By dosing in this chemicals dosing plant phase reaction still 7, avoid the problem that chemicals dosing plant is frequently acutely shaken, decrease overhaul of the equipments rate, extend service life of equipment.

Claims (10)

1. the metering chemical feeding device under barotropic state, is characterized in that: comprise dispensing canister (1), drug delivery pump (2), grug feeding jar (3) and gas pressue device (4); Described dispensing canister (1) is connected by the upper end of drug delivery pump (2) with grug feeding jar (3), and described drug delivery pump (2) is provided with by-pass valve control (5) with the connection of grug feeding jar (3); Described grug feeding jar (3) is closed container, the upper end of grug feeding jar (3) is provided with evacuation port (31), described evacuation port (31) is provided with by-pass valve control (5), the lower end of described grug feeding jar (3) is provided with dosing mouth (32), described dosing mouth (32) is also provided with by-pass valve control (5), described grug feeding jar (3) is also provided with liquid level gauge (33); Described gas pressurized device (4) is connected with the upper end of grug feeding jar (3).
2. the metering chemical feeding device under a kind of barotropic state as claimed in claim 1, is characterized in that: in the connection of described dispensing canister (1) and drug delivery pump (2), gas pressurized device (4) and the connection of grug feeding jar (3) are equipped with by-pass valve control (5).
3. the metering chemical feeding device under a kind of barotropic state as claimed in claim 1, it is characterized in that: also comprise check-valves (6), described check-valves (6) is connected with the upper by-pass valve control (5) arranged of dosing mouth (32).
4. the metering chemical feeding device under a kind of barotropic state as claimed in claim 1, is characterized in that: be provided with agitating device (11) in described dispensing canister (1).
5. the metering chemical feeding device under a kind of barotropic state as claimed in claim 1, is characterized in that: described grug feeding jar (3) is the pressure vessel made with resistant material.
6. the metering chemical feeding device under a kind of barotropic state as described in claim 1 or 2 or 4 or 5, is characterized in that: the volume of described dispensing canister (1) is greater than the volume of grug feeding jar (3).
7. the metering chemical feeding device under a kind of barotropic state according to any one of claim 1 to 5, is characterized in that: the rated discharge pressure of described gas pressurized device (4) is more than 0.5MPa.
8. the metering chemical feeding device under a kind of barotropic state according to any one of claim 1 to 5, is characterized in that: described dispensing canister (1), drug delivery pump (2), liquid level gauge (33), by-pass valve control (5) all adopt corrosion resistant toughness material to make.
9. the metering chemical feeding device under a kind of barotropic state as claimed in claim 8, is characterized in that: described corrosion resistant toughness material is PPH material or PPR material.
10. the metering chemical feeding device under a kind of barotropic state according to any one of claim 1 to 5, is characterized in that: described drug delivery pump (2) is centrifugal pump, and described gas pressurized device (4) is air compressor.
CN201420445228.7U 2014-08-07 2014-08-07 Metering chemical feeding device under a kind of barotropic state Active CN204122089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420445228.7U CN204122089U (en) 2014-08-07 2014-08-07 Metering chemical feeding device under a kind of barotropic state

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Application Number Priority Date Filing Date Title
CN201420445228.7U CN204122089U (en) 2014-08-07 2014-08-07 Metering chemical feeding device under a kind of barotropic state

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2583007A (en) * 2019-04-10 2020-10-14 Medincell Refill apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2583007A (en) * 2019-04-10 2020-10-14 Medincell Refill apparatus

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