CN216638940U - Anti-blocking type liquid medicine feeding device - Google Patents
Anti-blocking type liquid medicine feeding device Download PDFInfo
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- CN216638940U CN216638940U CN202122910618.XU CN202122910618U CN216638940U CN 216638940 U CN216638940 U CN 216638940U CN 202122910618 U CN202122910618 U CN 202122910618U CN 216638940 U CN216638940 U CN 216638940U
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- medicine
- flushing
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Abstract
The utility model discloses an anti-blocking type liquid medicine adding device which comprises a medicine adding pump, an annular multi-point type medicine adding pipe, a pressure transmitter, a medicine inlet valve, a flushing valve, a drain valve, a medicine receiving water body, an outer side medicine adding hole, an inner side medicine adding hole and the like. Based on the optimization of the annular multi-point type dosing pipe device, the blocking state of the dosing pipe is analyzed and early warning is carried out by monitoring the operating pressure value of the dosing pipe in real time, the annular dosing pipe is flushed and discharged, the function of dredging the blocking of the dosing pipe is realized, and the defects of easy blocking and stopping of the dosing pipe and difficult manual maintenance are overcome. The self-checking dosing device can realize the self-checking functions of dredging the dosing pipe and the circulation state of the dosing pipe, and the dosing program and the blockage flushing program of the dosing system can be switched according to the blockage state of the dosing pipe, so that the self-checking dosing device is simple and convenient to operate, saves the manual maintenance cost, and effectively ensures the good use of the dosing device.
Description
Technical Field
The utility model belongs to the technical field of water treatment, and particularly relates to an anti-blocking type liquid medicine adding device.
Background
The liquid medicine adding device is widely applied in the field of water treatment, and has the function of continuously adding prepared liquid medicine into a water body to be treated to enable the liquid medicine to generate chemical reaction so as to meet the expected technological requirements. Such as Polyacrylamide (PAM) medicine feeder, sodium carbonate (Na)2CO3) The dosing device and the like are generally provided with a drug solution tank, a dosing pump, a dosing tube and other accessories. In the prior art, the dosing pipe is mainly divided into a single-point dosing pipe and an annular dosing pipe, and the single-point dosing pipe has the defect of uneven liquid medicine distribution in a dosing region, so that local medicament concentration level difference is easy to occur, and the reaction effect is influenced; the annular medicine feeding pipe can realize multipoint uniform feeding of the liquid medicine, remarkably increase the diffusion area of the liquid medicine and improve the mixing efficiency. As the aperture of the annular medicine adding pipe hole is smaller than that of the single-point medicine adding pipe hole, the practical application finds that when the prepared medicine liquid has higher concentration, is viscous and colloidal or contains granular impurities, the medicine adding hole is easy to block, the medicine adding pump is easy to cause unsmooth liquid outlet and pressure building of the outlet after long-term operation,reduce dosing pump life and even cause dosing system trouble to shut down, also can influence water treatment effect simultaneously. After the medicine adding hole is blocked, the medicine liquid adding system is usually required to be shut down temporarily, the medicine adding pipe is flushed and dredged in a manual maintenance mode, the medicine adding pipe is usually positioned in a water body of a reaction tank, and the medicine adding pipe can be dismantled and maintained after water is drained in manual maintenance. This mode is consuming time and energy consumptive material, and it is comparatively difficult to maintain and overhaul.
In view of the above reasons, in order to solve the problems of uneven dosing of the traditional dosing pipe, easy blockage of the dosing hole, inconvenient manual maintenance and the like, a set of liquid medicine dosing device which is even and stable in liquid medicine dosing, capable of early warning and dredging in the blocked state of the dosing pipe and low in failure rate needs to be developed and designed urgently.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, provides an anti-blocking liquid medicine feeding device, solves the problems that a traditional medicine feeding pipe is uneven in medicine feeding, a medicine feeding hole is easy to block, manual maintenance is inconvenient and the like, and is suitable for various water treatment systems.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
an anti-blocking type liquid medicine adding device is characterized by comprising a medicine adding pump, a pressure transmitter and a medicine adding pipe;
a liquid outlet of the dosing pump is connected with a pressure transmitter;
the dosing pipe is arranged in the drug receiving water body, and dosing holes are distributed on the dosing pipe.
Further, the dosing pipe is an annular multi-point dosing pipe.
Further, the dosing holes comprise an outer dosing hole and an inner dosing hole, and the outer dosing hole and the inner dosing hole are uniformly distributed at 45-degree intervals in the lower semicircle at two sides of the cross section of the annular multipoint dosing pipe.
Further, the feed end of dosing pump is medicament pipeline and sparge water pipeline, the drain of dosing pipe is connected and is washed the blow off pipe, the dosing pump advances the medicine valve setting on the medicament pipeline, the dosing pump flushometer sets up on the wash off pipe, the blow off valve sets up on washing the blow off pipe.
Furthermore, the annular multi-point type dosing pipe is connected with the liquid outlet pipe of the dosing pump through a liquid inlet of the annular multi-point type dosing pipe.
Furthermore, the annular multi-point dosing pipe is connected with the flushing sewage discharge pipe through a sewage discharge outlet of the annular multi-point dosing pipe.
Furthermore, the diameter of the annular multi-point dosing pipe is between half of the diameter of the liquid outlet pipe of the dosing pump and 25 mm.
Furthermore, the pipe diameter of the flushing sewage discharge pipe is between the pipe diameter of the annular multi-point dosing pipe and 20 mm.
Further, the aperture of the outer dosing hole and the aperture of the inner dosing hole are between 3mm and 5 mm.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an anti-blocking type liquid medicine adding device which comprises a mechanical system, a flushing system, a medicine distributing and adding system and the like, wherein a pressure monitoring device is arranged at the outlet of a medicine adding pump; the system is provided with the hardware requirement and the pressure and other parameter requirements of the annular dosing pipe, and has the functions of dosing of liquid medicine, state early warning, flushing dredging, state self-checking and the like, so that dosing of the liquid medicine dosing device and flushing dredging of the dosing pipe are realized, key start-stop, continuous operation and low failure rate of a dosing system are guaranteed, and the problems that the dosing pipe is easy to block and stop and is difficult to overhaul manually are effectively solved. The utility model is suitable for adding various liquid medicines, can be applied to various water treatment systems, and has wide application prospect in the industries of electric power, pharmacy, municipal administration, electroplating and the like.
Furthermore, the liquid discharged from the annular multi-point type dosing pipe is uniform and stable, so that the concentration of the liquid medicine at each dosing point in a dosing area can be effectively ensured to be uniform, necessary conditions are created for the accurate control of indexes such as pH, dosing quantity and the like, the water treatment effect is good, and the stable operation of a subsequent system is ensured;
furthermore, early warning can be realized when the dosing pipe is blocked, the dosing pipe is blocked and dredged, the dosing pipe is forcibly flushed and discharged, the failure of stopping the dosing system due to the blockage of the dosing pipe is avoided, and the stable operation of the liquid medicine dosing system can be effectively ensured;
furthermore, the self-checking function of the dredging of the dosing pipe and the circulation state of the dosing pipe is realized, the dosing program and the blockage flushing program of the dosing system can be switched according to the blockage state of the dosing pipe, the operation is simple and convenient, the manual maintenance cost is saved, and the good application of the dosing device is effectively ensured.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of an annular multi-point dosing tube;
fig. 3 is a schematic sectional view of the annular multi-point type dosing tube 1-1.
Wherein: 1-a dosing pump; 2-a liquid outlet pipe of the dosing pump; 3-annular multipoint dosing tube; 4-flushing a drain pipe; 5-a pressure transmitter; 6-medicine feeding valve of medicine feeding pump; 7-a dosing pump flush valve; 8-a blowdown valve; 9-drug-receiving water body; 10-ring-shaped multi-point type liquid inlet of the dosing pipe; 11-ring-shaped multi-point type dosing pipe drain outlet; 12-outer side medicine feeding holes; 13-inner side medicine adding hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 to 3, the present invention discloses an anti-blocking type liquid medicine adding apparatus, including: the device comprises a dosing pump 1, a dosing pump liquid outlet pipe 2, an annular multi-point dosing pipe 3, a flushing sewage discharge pipe 4, a pressure transmitter 5, a dosing pump medicine inlet valve 6, a dosing pump flushing valve 7, a sewage discharge valve 8, a liquid medicine receiving body 9, an annular multi-point dosing pipe liquid inlet 10, an annular multi-point dosing pipe sewage discharge outlet 11, an outer side dosing hole 12 and an inner side dosing hole 13. The feed end of the dosing pump 1 is a medicament pipeline and a flushing water pipeline, a dosing pump inlet valve 6 and a dosing pump flushing valve 7 are respectively arranged, and a pressure transmitter 5 is arranged at the liquid outlet of the dosing pump 1. The liquid outlet pipe 2 of the dosing pump is connected with the annular multi-point dosing pipe 3 through an annular multi-point dosing pipe liquid inlet 10, and the annular multi-point dosing pipe 3 is connected with the flushing sewage discharge pipe 4 through an annular multi-point dosing pipe sewage discharge outlet 11. The outer side dosing hole 12 and the inner side dosing hole 13 are uniformly distributed at intervals in the annular multi-point dosing pipe 3, and the outer side dosing hole 12 and the inner side dosing hole 13 are distributed at 45-degree lower semicircles on two sides of the cross section of the annular multi-point dosing pipe 3. A drain valve 8 is arranged on the flushing drain pipe 4. Collecting the operating pressure value of the dosing pipe, analyzing the operating state of the dosing pipe in real time, predicting the blocking state of the alarm dosing pipe in advance, realizing dredging and pollution discharge of the dosing pipe, self-checking the circulation state of the dosing pipe, switching liquid medicine dosing and blocking maintenance programs, and effectively ensuring stable operation of a liquid medicine dosing system and good maintenance of the dosing pipe.
The utility model requires that the device system meets certain requirements, namely:
P2≥1.2P1 (A)
P3＝1.5P1 (B)
25mm≤Φ2≤0.5Φ1 (C)
20mm≤Φ3≤Φ2 (D)
3mm≤Φ4≤5mm (E)
wherein, P1Is set pressure, P, for normal administration of the drug pump 12Early warning of pressure for the clogged state of the dosing tube, P3Set pressure of flushing water, phi, for initiation of a flushing sequence1Is the diameter of the liquid outlet pipe 2 of the dosing pump2The diameter phi of the annular multi-point type dosing pipe 33For flushing the pipe diameter phi of the blow-off pipe 44Is the aperture of the outer side dosing hole 12 and the inner side dosing hole 13. Working pressure P of dosing pump 11Should be able to meet minimum operating requirements.
The working process of the utility model is as follows:
under the condition that the liquid medicine is normally added, a flushing valve 7 and a blow-down valve 8 of the dosing pump are closed, a medicine inlet valve 6 of the dosing pump is opened, and the dosing pump 1 is at a set pressure P1And (3) normally putting the liquid medicine into operation, conveying the liquid medicine to an annular multi-point type medicine adding pipe 3 through a medicine adding pump liquid outlet pipe 2, and uniformly and stably adding the liquid medicine under pressure to a liquid medicine receiving body 9 through a plurality of outer medicine adding holes 12 and inner medicine adding holes 13. In the process, the pressure transmitter 5 feeds back the outlet pressure value of the dosing pump 1 in real time and analyzes the blockage state of the dosing pipe in real time. When the pressure value of the outlet of the dosing pump 1 fed back by the pressure transmitter 5 in real time reaches the early warning pressure P of the blocking state of the dosing pipe2And last for a time up to T1When the device is used, an early warning signal of the blocking state of the annular multi-point dosing pipe 3 appears, the liquid medicine dosing device starts a flushing dredging program at the moment, the dosing pump flushing valve 7 and the blow-down valve 8 are opened, the dosing pump medicine inlet valve 6 is closed, and flushing water is continuously fed with set pressure P through the dosing pump 13A liquid outlet pipe 2 of the flushing dosing pump and an annular multi-point dosing pipe 3 are flushed for a time T2And the flushing sewage is discharged to a set area through the flushing sewage discharge pipe 4. After the first flushing is finished, the blowoff valve 8 is closed, the dosing system is normally put into operation, and if the outlet pressure value P of the dosing pump 1 fed back by the pressure transmitter 5 at the moment meets P1≤P＜1.2P1And the pressure duration is greater than or equal to T3The pipeline is smoothly flushed, and the normal adding stage of the liquid medicine can be started; if the pressure value P at the outlet of the dosing pump 1 fed back by the pressure transmitter 5 at the moment meets the condition that P is more than or equal to P2Or P is at P1≤P＜1.2P1The duration of the range being less than T3If so, the pipeline is not flushed smoothly, the blowoff valve 8 is opened, and the flushing program is continuously executed. And performing self-checking in a reciprocating manner until the medicine feeding pipe is completely dredged. Through the steps, the dosing of the liquid medicine dosing device and the flushing and dredging of the dosing pipe can be realized, the start and stop of one key and the continuous operation of the dosing pipe are guaranteed, and the problems that the dosing pipe is easy to block and stop and the manual maintenance is difficult are effectively solved. Wherein the early warning pressure duration time T1Duration of flushing T of pipeline2Normal pressure range holding time T after flushing3Are all determined by the debugging process.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An anti-blocking type liquid medicine feeding device is characterized by comprising a medicine feeding pump (1), a pressure transmitter (5) and a medicine feeding pipe;
a liquid outlet of the dosing pump (1) is connected with a pressure transmitter (5); the feeding end of the dosing pump (1) is provided with a medicament pipeline and a flushing water pipeline, the drain outlet of the dosing pipe is connected with a flushing drain pipe (4), a dosing pump medicament inlet valve (6) is arranged on the medicament pipeline, a dosing pump flushing valve (7) is arranged on the flushing water pipeline, a drain valve (8) is arranged on the flushing drain pipe (4), and dosing holes are distributed in the dosing pipe; the dosing pipe is an annular multi-point dosing pipe (3).
2. The anti-blocking type liquid medicine adding device according to claim 1, wherein the medicine adding holes comprise an outer medicine adding hole (12) and an inner medicine adding hole (13), and the outer medicine adding hole (12) and the inner medicine adding hole (13) are uniformly and mutually distributed at 45-degree intervals in lower semicircles on two sides of the cross section of the annular multi-point type medicine adding pipe (3).
3. The anti-blocking type liquid medicine adding device according to claim 1, wherein the annular multi-point type medicine adding pipe (3) is connected with the liquid outlet pipe (2) of the medicine adding pump through a liquid inlet (10) of the annular multi-point type medicine adding pipe.
4. The anti-blocking type liquid medicine adding device according to claim 1, wherein the annular multi-point type medicine adding pipe (3) is connected with the flushing sewage discharge pipe (4) through an annular multi-point type medicine adding pipe sewage discharge port (11).
5. The anti-blocking type liquid medicine adding device as claimed in claim 1, wherein the pipe diameter of the annular multi-point type medicine adding pipe (3) is between half and 25mm of the pipe diameter of the medicine adding pump liquid outlet pipe (2).
6. The anti-blocking type liquid medicine adding device as claimed in claim 1, wherein the pipe diameter of the flushing and sewage discharging pipe (4) is between the pipe diameter of the annular multi-point type medicine adding pipe (3) and 20 mm.
7. The anti-blocking type liquid medicine adding device according to claim 2, wherein the diameter of the outer side medicine adding hole (12) and the inner side medicine adding hole (13) is between 3mm and 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122910618.XU CN216638940U (en) | 2021-11-24 | 2021-11-24 | Anti-blocking type liquid medicine feeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122910618.XU CN216638940U (en) | 2021-11-24 | 2021-11-24 | Anti-blocking type liquid medicine feeding device |
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| CN216638940U true CN216638940U (en) | 2022-05-31 |
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| CN202122910618.XU Active CN216638940U (en) | 2021-11-24 | 2021-11-24 | Anti-blocking type liquid medicine feeding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536097A (en) * | 2022-09-28 | 2022-12-30 | 无锡海拓环保装备科技有限公司 | Turbulent diffusion tank based on air flotation coagulation system |
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2021
- 2021-11-24 CN CN202122910618.XU patent/CN216638940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536097A (en) * | 2022-09-28 | 2022-12-30 | 无锡海拓环保装备科技有限公司 | Turbulent diffusion tank based on air flotation coagulation system |
| CN115536097B (en) * | 2022-09-28 | 2023-08-01 | 无锡海拓环保装备科技有限公司 | Turbulent diffusion pool based on air floatation coagulation system |
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