CN218530477U - Feeding device and water supply and drainage system - Google Patents

Abstract

The utility model discloses an adding device and a water supply and drainage system, wherein the adding device comprises a dosing pipe, a first ball valve, a filter, a metering pump, a second ball valve, a power water pipe and a water injector, the first ball valve is connected with the dosing pipe, and the first ball valve is close to the inlet of the dosing pipe; the filter is connected with the dosing pipe; the metering pump is connected with the dosing pipe; the second ball valve is connected with the dosing pipe and is close to the outlet of the dosing pipe; the outlet of the medicine feeding pipe is connected with a water injector which is connected with a power water pipe. Add and add the medicine pipe in the feeder apparatus and pass through water dart and power water piping connection, under the power transport of measuring pump, medicament flow direction water dart, water dart dilutes the medicament when realizing adding the medicine, prevents to block up follow-up medicine pipeline, and design water dart replaces current storage tank to mix in advance, reduces the occupation space of equipment, saves the equipment and reforms transform the cost. The utility model can be widely applied to the technical field of water treatment.

Description

Feeding device and water supply and drainage system

Technical Field

The utility model relates to a water treatment technical field, in particular to throw feeder apparatus and water supply and drainage system.

Background

The existing dosing mode mainly adopts a metering pump to dose, various solid powders are dissolved into solution (or directly purchased finished liquid raw materials) and then stored in a storage tank, and then the dosing is carried out quantitatively by connecting the metering pump. However, some medicaments such as sodium hypochlorite, polyaluminium chloride, polyacrylamide and the like have high concentration, slow dosing flow rate and easy crystallization, precipitation and flocculation to form clusters, so the medicaments need to be added after being diluted. The mainstream dilution mode is mainly to dilute by adding more water into the storage tank at a fixed ratio, but many water plants cannot use the water plants because the occupied area of a dosing room is small and the water plants do not have dilution storage conditions.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the utility model provides an add feeder apparatus and water supply and drainage system adopts technical scheme as follows.

The utility model provides a water supply and drainage system is including throwing feeder apparatus.

The feeding device provided by the utility model comprises a dosing pipe, a first ball valve, a filter, a metering pump, a second ball valve, a power water pipe and a water injector, wherein the first ball valve is connected with the dosing pipe, and the first ball valve is close to the inlet of the dosing pipe; the filter is connected with the dosing pipe; the metering pump is connected with the dosing pipe; the second ball valve is connected with the dosing pipe, and the second ball valve is close to the outlet of the dosing pipe; the outlet of the dosing pipe is connected with the water ejector, and the water ejector is used for being connected with a power water pipe.

In some embodiments of the utility model, add feeder apparatus and include the pulse damper, the pulse damper with add the pencil and connect.

In some embodiments of the utility model, add feeder apparatus includes the back pressure valve, the back pressure valve with add the pencil and connect.

The utility model discloses an in some embodiments, it includes safe subassembly to add feeder apparatus, safe subassembly includes connecting pipe and relief valve, the relief valve with the connecting pipe is connected, the connecting pipe with add the pencil and connect.

In some embodiments of the present invention, the filter is a Y-filter.

In some embodiments of the utility model, throw feeder apparatus and include the vacuum breaker valve, the vacuum breaker valve with add the pencil and connect, the vacuum breaker valve sets up add on the pencil the water dart with on the pipeline between the second ball valve.

The utility model discloses an in some embodiments, add feeder apparatus includes manometer and flowmeter, the manometer with add the pencil and connect, the flowmeter with add the pencil and connect.

In some embodiments of the present invention, the flow meter is a floating ball flow meter.

The utility model discloses an in some embodiments, add feeder apparatus and include the third ball valve, the both ends of third ball valve are connected respectively add the pencil with the manometer.

The embodiment of the utility model has the following beneficial effect at least: add and add the medicine pipe in the feeder apparatus and pass through water dart and power water piping connection, under the power transport of measuring pump, medicament flow direction water dart, water dart dilutes the medicament when realizing adding the medicine, prevents to block up follow-up medicine pipeline, and design water dart replaces current storage tank to mix in advance, reduces the occupation space of equipment, saves the equipment and reforms transform the cost. The utility model can be widely applied to the technical field of water treatment.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural view of the connection between a feeding device and a power water pipe.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are used to indicate an orientation or positional relationship based on that shown in the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. The features defined as "first" and "second" are used to distinguish feature names rather than having a special meaning, and further, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model relates to a water supply and drainage system, water supply and drainage system include and throw feeder apparatus, and it can be understood that water supply and drainage system still includes water tank or pond, throws feeder apparatus and is connected to water tank or pond.

Other configurations and operations of the water supply and drainage system are well known to those skilled in the art and will not be described in detail herein, and the structure of the dosing device will be described below.

The utility model relates to an add feeder apparatus, it includes dosing pipe 100 to add the feeder apparatus, measuring pump 103, power water pipe 300 and water dart 200 to add the feeder apparatus, measuring pump 103 is connected with dosing pipe 100, measuring pump 103 provides power for the play medicine of dosing in dosing pipe 100, the export and the water dart 200 of dosing pipe 100 are connected, power water pipe 300 is connected to water dart 200, power water pipe 300 extends to the dosing point, it will go out medicine mouth and connect water dart 200 to add the feeder apparatus, power water pipe 300 provides 0.3 to 0.45 MPa's power water and adds the feeder apparatus, add through power water, can guarantee the medicine of long distance and carry.

It can be understood that the metering pump 103 is combined with the water injector 200, so that the automatic mixing and dilution of the medicament in the adding process are realized, an independent dilution storage tank is not required, the floor area of the equipment is reduced, and the modification cost of the equipment is saved. After being treated by the water injector 200, the diluted medicament has low concentration and high flow rate, and can prevent the medicament from crystallizing and precipitating and prevent subsequent pipelines from being blocked by flocculation.

Further, the dosing device comprises a first ball valve 101 and a second ball valve 106, the first ball valve 101 is connected with the dosing pipe 100, the second ball valve 106 is connected with the dosing pipe 100, and with reference to the attached drawing, the first ball valve 101 is close to the inlet of the dosing pipe 100, and the second ball valve 106 is close to the outlet of the dosing pipe 100. It will be appreciated that the first ball valve 101 and the second ball valve 106 may close the dosing means.

When medicine adding is not needed or stopped, the first ball valve 101 and the second ball valve 106 are closed, the water body in the power water pipe 300 can be flushed to a pipeline of a medicine adding point, a flushing pipe does not need to be additionally arranged, and the laying cost of the pipeline is saved.

Further, the dosing device comprises a filter 102, the filter 102 is connected with the dosing pipe 100, and the filter 102 is used for filtering particle impurities of the medicament, protecting a valve and a metering pump 103 in the dosing device and preventing blockage. In some examples, filter 102 is configured as a Y-filter.

With reference to the drawing, the feeding device includes a pressure gauge 104, the pressure gauge 104 is connected to the feeding tube 100, and the pressure gauge 104 detects the hydraulic pressure in the feeding tube 100. Further, the feeding device comprises a third ball valve 110, two ends of the third ball valve 110 are respectively connected with the feeding pipe 100 and the pressure gauge 104, and the third ball valve 110 is used for cutting off or communicating a pipeline between the pressure gauge 104 and the feeding pipe 100, so that the pressure gauge 104 and the maintenance pipeline are convenient to replace.

In some examples, the dosing device includes a flow meter 105, the flow meter 105 is connected to the dosing tube 100, and the flow meter 105 is used for detecting the dosing amount. Specifically, the flow meter 105 is provided as a float ball flow meter.

As an implementation mode, the dosing device comprises a backpressure valve 108, the backpressure valve 108 is connected with the dosing pipe 100, the backpressure valve 108 is used for keeping the pressure of the liquid discharged by the metering pump 103 constant, the liquid discharged by the metering pump 103 passes through the backpressure valve 108 and then reaches the liquid inlet of the water injector 200, the medicine is sucked into the power water pipe 300 under the action of the power water in the power water pipe 300, and the medicine and the water are uniformly mixed and reach the dosing point.

As an implementation mode, the dosing device comprises a pulse damper 107, the pulse damper 107 is connected with the dosing pipe 100, and the pulse damper 107 is used for eliminating liquid outlet pulses of the metering pump, so that the liquid outlet keeps stable flow and pressure, and pipeline vibration is eliminated.

As an implementation manner, the dosing device includes a safety component, the safety component includes a connection pipe and a safety valve 109, the safety valve 109 is connected to the connection pipe, the connection pipe is connected to the dosing pipe 100, and with reference to the attached drawings, a pipeline where the safety valve 109 is located is connected in parallel to a pipeline where the metering pump 103 is located. It can be understood that the safety valve 109 is normally closed, and when the pressure in the dosing pipe 100 exceeds a set value, the safety valve 109 is opened to release the pressure, so as to protect the metering pump 103 and prevent accidents.

In the related art, the water injector 200 forms a negative pressure during the use process, for example, the pressure is greater than the pressure at the outlet of the metering pump 103 or the pressure is greater than the pressure at the back pressure valve 108, and the formed negative pressure causes the drug suction amount to be greater than the drug discharge amount of the metering pump 103, which causes the excessive drug addition amount of the metering pump 103, and the drug addition amount cannot be accurately controlled.

Therefore, the feeding device is designed to comprise the vacuum breaker valve 111, the vacuum breaker valve 111 is connected with the dosing pipe 100, the vacuum breaker valve 111 is arranged on a pipeline between the water injector 200 and the second ball valve 106 on the dosing pipe 100, and the vacuum breaker valve 111 can prevent the situation that the dosing amount of the metering pump 103 cannot be accurately controlled due to negative pressure brought by the water injector 200. Specifically, when negative pressure occurs in the dosing tube 100, the vacuum break valve 111 is opened, and the dosing tube 100 sucks air, thereby breaking the degree of vacuum.

In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

In the description of the present invention, if the patent names "and" appear ", they are shown in the relationship of" and "rather than" or ". For example, the patent name "a A, B" indicates that the claimed invention is: the technical scheme with the subject name of A and the technical scheme with the subject name of B.

Claims (10)

1. The utility model provides an adding device which characterized in that: comprises that

A dosing tube (100);

the first ball valve (101), the first ball valve (101) is connected with the dosing pipe (100), and the first ball valve (101) is close to the inlet of the dosing pipe (100);

a filter (102), the filter (102) being connected to the dosing tube (100);

the metering pump (103), the said metering pump (103) is connected with said dosing pipe (100);

a second ball valve (106), wherein the second ball valve (106) is connected with the dosing pipe (100), and the second ball valve (106) is close to the outlet of the dosing pipe (100);

a power water pipe (300);

the outlet of the dosing pipe (100) is connected with the water ejector (200), and the water ejector (200) is connected with the power water pipe (300).

2. The dosing device of claim 1, wherein: the feeding device comprises a pulse damper (107), and the pulse damper (107) is connected with the feeding pipe (100).

3. The dosing device of claim 1, wherein: the dosing device comprises a back pressure valve (108), and the back pressure valve (108) is connected with the dosing pipe (100).

4. The dosing device according to any one of claims 1 to 3, characterized in that: the feeding device comprises a safety assembly, the safety assembly comprises a connecting pipe and a safety valve (109), the safety valve (109) is connected with the connecting pipe, and the connecting pipe is connected with the dosing pipe (100).

5. The dosing device of claim 1, wherein: the filter (102) is configured as a Y-filter.

6. The dosing device according to any one of claims 1 to 3, characterized in that: the feeding device comprises a vacuum breaker valve (111), the vacuum breaker valve (111) is connected with the dosing pipe (100), and the vacuum breaker valve (111) is arranged on the dosing pipe (100) on a pipeline between the water injector (200) and the second ball valve (106).

7. The dosing device as claimed in claim 1, wherein: the feeding device comprises a pressure gauge (104) and a flow meter (105), the pressure gauge (104) is connected with the feeding pipe (100), and the flow meter (105) is connected with the feeding pipe (100).

8. The dosing device of claim 7, wherein: the flow meter (105) is configured as a float ball flow meter.

9. The dosing device of claim 7, wherein: the feeding device comprises a third ball valve (110), and two ends of the third ball valve (110) are respectively connected with the feeding pipe (100) and the pressure gauge (104).

10. A water supply and drainage system characterized by: comprising a dosing device as defined in any of the claims 1 to 9.

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