CN217895173U - Medicine adding device for preparing pure water - Google Patents

Abstract

The utility model provides a charge device of pure water preparation, this charge device of pure water preparation includes: the first sealing cover divides the first tank body into a sealing cavity and a first medicine storage cavity, the first sealing cover can float along with the liquid level of the first medicine storage cavity, a first communication port and a vent port of the first tank body are respectively communicated with the first medicine storage cavity and the sealing cavity, and a first valve is arranged at the vent port; the second sealing cover divides the second tank body into a second medicine storage cavity and a communicating cavity, the second sealing cover can float along with the liquid level of the second medicine storage cavity, and the liquid inlet and the medicine outlet of the second tank body are communicated with the second medicine storage cavity; the first communicating pipe is communicated with the outlet and the first communicating port of the water inlet pipe, the second communicating pipe is communicated with the outlet and the liquid inlet of the water inlet pipe, the water inlet pipe is provided with a second valve, and the second communicating pipe is provided with a third valve. Through the technical scheme that this application provided, the medicament that keeps in the charge device that can solve the pure water preparation among the correlation technique easily loses efficacy's problem.

Description

Medicine adding device for pure water preparation

Technical Field

The utility model relates to a pure water preparation technical field particularly, relates to a charge device of pure water preparation.

Background

In the preparation of pure water, various water quality treatment film layers such as reverse osmosis membranes and the like are cleaned through a dosing device for preparing various pure water, the precipitation treatment of water bodies is carried out, and the water quality such as ORP (oxidation-reduction potential) and pH value is adjusted.

In the correlation technique, the charge device of pure water preparation adopts open device, and the charge device of pure water preparation adopts manual medicine and adds water for oxygen in the air or carbon dioxide dissolve the medicament of preserving in the charge device of pure water preparation easily, make partial medicament oxidation or acidizing, the medicament that results in preserving in the charge device of pure water preparation has the problem of inefficacy, influences the result of use of medicament and the quality of water of pure water preparation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a charge device of pure water preparation to the problem that the medicament of preserving easily became invalid in the charge device of the pure water preparation among the solution correlation technique.

The utility model provides a charge device of pure water preparation, the charge device of pure water preparation includes: the first medicine storage tank comprises a first tank body and a first sealing cover arranged in the first tank body, the first sealing cover divides an inner cavity of the first tank body into a sealing cavity and a first medicine storage cavity positioned below the sealing cavity, the first sealing cover can float up and down along with the liquid level of the first medicine storage cavity, the first tank body is provided with a first communication port communicated with the first medicine storage cavity and an air vent communicated with the sealing cavity, and a first valve is arranged at the air vent; the second medicine storage tank comprises a second tank body and a second sealing cover arranged in the second tank body, the second sealing cover divides an inner cavity of the second tank body into a second medicine storage cavity and a communicating cavity which is positioned above the second medicine storage cavity and communicated with the outside, the second sealing cover can float up and down along with the liquid level of the second medicine storage cavity, and the second tank body is provided with a liquid inlet and a medicine outlet which are communicated with the second medicine storage cavity; the communicating pipeline comprises a water inlet pipe, a first communicating pipe and a second communicating pipe, wherein two ends of the first communicating pipe are communicated with an outlet and a first communicating port of the water inlet pipe respectively, two ends of the second communicating pipe are communicated with an outlet and a liquid inlet of the water inlet pipe respectively, a second valve is arranged on the water inlet pipe, and a third valve is arranged on the second communicating pipe.

Furthermore, the communicating pipeline further comprises a circulating pipe, the first tank body is further provided with a second communicating port communicated with the first medicine storage cavity, the second communicating port is located below the first communicating port, two ends of the circulating pipe are respectively communicated with the second communicating pipe and the second communicating port, a circulating valve is arranged on the circulating pipe, and a circulating pump located between the circulating valve and the second valve is arranged on the second communicating pipe.

Further, the medicine adding device for preparing the pure water also comprises a stirring piece which is rotatably arranged on the bottom wall of the second medicine storage cavity.

Further, the medicine adding device for pure water preparation further comprises a liquid level sensor arranged on the bottom wall of the first medicine storage cavity.

Furthermore, charge device of pure water preparation still includes liquid level detection spare, and liquid level detection spare includes liquid level display spare, connecting wire and pulley spare, and the pulley spare rotationally sets up in the upper end of the second jar of body, and the connecting wire cover is established in the outside of pulley spare, and the both ends of connecting wire are connected with the sealed lid of second and liquid level display spare respectively.

Further, the upper end of the second tank body is provided with a supporting plate, the pulley part comprises a first pulley and a second pulley which are arranged on the supporting plate at intervals along the horizontal direction, the connecting line is sleeved on the first pulley and the second pulley, one end of the connecting line is connected with the middle part of the second sealing cover, the first pulley is positioned right above the middle part of the second sealing cover, and the second pulley is arranged at the edge of the supporting plate.

Furthermore, the communicating pipeline also comprises a medicine outlet pipe, the medicine outlet pipe is communicated with the medicine outlet, and a medicine outlet valve is arranged on the medicine outlet pipe.

Furthermore, a flow pump is arranged on the medicine outlet pipe.

Further, the first jar of body is the long tubular structure of vertical setting, and the upper end of the first jar of body can be provided with the shutoff lid with opening and shutting, and the lower surface of shutoff lid, the inner wall of the first jar of body and the upper surface of first sealed lid enclose jointly and establish into sealed chamber.

Further, the first valve, the second valve and the third valve are all solenoid valves.

Use the technical scheme of the utility model, charge device of pure water preparation includes first medicine storage tank, second medicine storage tank and intercommunication pipeline, when charge device who utilizes the pure water preparation dispenses, open first sealed lid and add the medicament to first medicine storage intracavity, it makes first medicine storage chamber sealed to close first sealed lid, open first valve and second valve, make the inlet pipe through first communicating pipe to first medicine storage intracavity water injection, first sealed lid upwards floats along with the liquid level in first medicine storage chamber this moment, the gas in the sealed intracavity passes through the outside discharge of blow vent, accomplish the preparation of first medicine storage intracavity high concentration medicament, close the second valve, open the third valve, make first medicine storage chamber through first communicating pipe and second communicating pipe to second medicine storage intracavity injection high concentration medicament, first sealed lid upwards floats along with the liquid level in second medicine storage chamber this moment, close first valve, open the second valve, make the inlet pipe pass through second communicating pipe to second medicine storage intracavity, the sealed lid of second medicine storage chamber upwards floats along with the liquid level of second medicine storage chamber this moment, the preparation of the float in the second medicine storage chamber is accomplished the low concentration of medicament. When the dosing device prepared by pure water is used for dosing, the low-concentration medicament in the second medicament storage cavity is discharged outside through the medicament outlet, so that the dosing device prepared by pure water completes dosing operation in the pure water preparation process. And, because first medicine storage chamber and second store up the medicine chamber and are sealed by first sealed lid and the sealed lid of second respectively for the high concentration medicament in first medicine dispensing chamber and the low concentration medicament in the second medicine dispensing chamber all are in encapsulated situation in storage and use, avoid the medicament contact of preserving in the charge device of air and pure water preparation, avoid the medicament of preserving to take place to become invalid in the charge device of pure water preparation, guarantee the result of use of medicament and the quality of water of pure water preparation.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a chemical adding device for pure water preparation provided by an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a first drug storage tank; 11. a first tank; 111. sealing the cavity; 112. a first drug storage chamber; 113. a first communication port; 114. a vent; 115. a second communication port; 116. a blocking cover; 12. a first sealing cover;

20. a second medicine storage tank; 21. a second tank; 211. a second drug storage cavity; 212. a communicating cavity; 213. a liquid inlet; 214. a medicine outlet; 215. a support plate; 22. a second sealing cover;

30. a communicating pipeline; 31. a water inlet pipe; 32. a first communication pipe; 33. a second communicating pipe; 34. a circulation pipe; 35. a medicine outlet pipe;

41. a stirring member; 411. stirring the magnetic rod; 412. a stirring magnetic device; 42. a liquid level sensor; 43. a liquid level detection member; 431. a liquid level display; 432. a connecting wire; 433. a pulley member; 4331. a first pulley; 4332. a second pulley;

51. a first valve; 52. a second valve; 53. a third valve; 54. a circulation valve; 55. a medicine outlet valve;

61. a circulation pump; 62. a flow pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a dosing device for pure water preparation, the dosing device for pure water preparation includes a first drug storage tank 10, a second drug storage tank 20 and a communication pipeline 30, the first drug storage tank 10 includes a first tank 11 and a first sealing cover 12 disposed in the first tank 11, the first sealing cover 12 divides an inner cavity of the first tank 11 into a sealing cavity 111 and a first drug storage cavity 112 located below the sealing cavity 111, the first sealing cover 12 can float up and down along with a liquid level of the first drug storage cavity 112, the first tank 11 has a first communication port 113 communicated with the first drug storage cavity 112 and a vent 114 communicated with the sealing cavity 111, a first valve 51 is disposed at the vent 114, the second drug storage tank 20 includes a second tank 21 and a second sealing cover 22 disposed in the second tank 21, the second sealing cover 22 divides the inner cavity of the second tank body 21 into a second medicine storage cavity 211 and a communicating cavity 212 which is positioned above the second medicine storage cavity 211 and communicated with the outside, the second sealing cover 22 can float up and down along with the liquid level of the second medicine storage cavity 211, the second tank body 21 is provided with a liquid inlet 213 and a medicine outlet 214 which are communicated with the second medicine storage cavity 211, the communicating pipeline 30 comprises a water inlet pipe 31, a first communicating pipe 32 and a second communicating pipe 33, two ends of the first communicating pipe 32 are respectively communicated with an outlet of the water inlet pipe 31 and the first communicating port 113, two ends of the second communicating pipe 33 are respectively communicated with the outlet of the water inlet pipe 31 and the liquid inlet 213, the water inlet pipe 31 is provided with a second valve 52, and the second communicating pipe 33 is provided with a third valve 53.

Use charge device of pure water preparation that this embodiment provided, charge device of this pure water preparation includes first medicine storage tank 10, second medicine storage tank 20 and communicating pipe 30, when charge device utilizing pure water preparation dispenses, open first sealed lid 12 and add the medicament in to first medicine storage chamber 112, close first sealed lid 12 and make first medicine storage chamber 112 sealed, open first valve 51 and second valve 52, make inlet tube 31 inject water into first medicine storage chamber 112 through first communicating pipe 32, first sealed lid 12 floats upwards along with the liquid level of first medicine storage chamber 112 this moment, gas in sealed chamber 111 passes through vent 114 and outwards discharges, accomplish the preparation of high concentration medicament in first medicine storage chamber 112, close second valve 52, open third valve 53, make first medicine storage chamber 112 inject high concentration into second medicine storage chamber 211 through first communicating pipe 32 and second communicating pipe 33, this moment second sealed lid 22 floats upwards along with the liquid level of second medicine storage chamber 211, close first valve 51, make second medicine storage chamber 31 float along with the liquid level of second medicine storage chamber 211, make the second medicine storage chamber 211 float along with the water injection concentration of second medicine storage chamber 211 this moment, make the sealed lid 211 float along with the second medicine storage chamber 211, the second medicine storage chamber 211. When the dosing device prepared by pure water is used for dosing, the low-concentration medicament in the second medicament storage cavity 211 is discharged outside through the medicament outlet 214, so that the dosing device prepared by pure water completes dosing operation in the pure water preparation process. Moreover, the first medicine storage cavity 112 and the second medicine storage cavity 211 are respectively sealed by the first sealing cover 12 and the second sealing cover 22, so that the high-concentration medicine in the first medicine dispensing cavity and the low-concentration medicine in the second medicine dispensing cavity are both in a sealed state in the storage and use processes, the contact of air and the medicine stored in the medicine adding device prepared by pure water is avoided, the failure of the medicine stored in the medicine adding device prepared by pure water is avoided, and the use effect of the medicine and the water quality prepared by pure water are ensured.

As shown in fig. 1, the communicating pipeline 30 further includes a circulating pipe 34, the first tank 11 further has a second communicating port 115 communicating with the first medicine storage chamber 112, the second communicating port 115 is located below the first communicating port 113, both ends of the circulating pipe 34 are respectively communicated with the second communicating pipe 33 and the second communicating port 115, the circulating pipe 34 is provided with a circulating valve 54, and the second communicating pipe 33 is provided with a circulating pump 61 located between the circulating valve 54 and the second valve 52. After accomplishing water injection and the medicament interpolation in first medicine storage cavity 112, only open circulating valve 54 and circulating pump 61, because second intercommunication mouth 115 is located the below of first intercommunication mouth 113, make the upper strata that lower floor's liquid in first medicine storage cavity 112 passes through circulating pipe 34 and gets into first medicine storage cavity 112, thereby high concentration medicament in first medicine storage cavity 112 realizes circulation from bottom to top, guarantee the homogeneity of the high concentration medicament in first medicine storage cavity 112, guarantee that the concentration of the medicament of first medicine storage cavity 112 output is stable unanimous, and then guarantee the result of use of medicament and the quality of water of pure water preparation.

When the third valve 53 and the circulation valve 54 are opened and the circulation pump 61 is not opened, the first drug storage chamber 112 can inject the high concentration drug into the second drug storage chamber 211 through the circulation pipe 34, the first communication pipe 32, and the second communication pipe 33.

As shown in fig. 1, the chemical adding device for pure water preparation further includes an agitating member 41 rotatably provided on the bottom wall of the second chemical storage chamber 211. Accomplish water injection and medicament after adding in second storage medicine chamber 211, open stirring 41 for stirring 41 rotates on the diapire of second storage medicine chamber 211, and stirring 41 stirs the low concentration medicament in the second storage medicine chamber 211, guarantees the homogeneity of the low concentration medicament in the second storage medicine chamber 211, guarantees that the concentration of the medicament of second storage medicine chamber 211 output is stable unanimous, and then guarantees the result of use of medicament and the quality of water of pure water preparation.

As shown in fig. 1, the stirring member 41 includes a stirring magnetic bar 411 rotatably disposed on the bottom wall of the second drug storage cavity 211 and a stirring magnetic device 412 disposed outside the bottom wall of the second tank 21, the stirring magnetic device 412 drives the stirring magnetic bar 411 to rotate through electromagnetic induction, and the stirring magnetic bar 411 stirs the low-concentration drug in the second drug storage cavity 211, so as to ensure the uniformity of the low-concentration drug in the second drug storage cavity 211.

As shown in fig. 1, the medicine adding device for pure water preparation further includes a liquid level sensor 42 disposed on the bottom wall of the first medicine storage chamber 112. When not opening first jar of body 11, detect the content of the high concentration medicament in first storage medicine chamber 112 through level sensor 42, guarantee the airtight prerequisite in first storage medicine chamber 112 real-time supervision medicament content, avoid the air to contact with the high concentration medicament in first storage medicine chamber 112, guarantee the result of use of medicament and the quality of water of pure water preparation.

As shown in fig. 1, the chemical adding device for pure water preparation further comprises a liquid level detection part 43, the liquid level detection part 43 comprises a liquid level display part 431, a connecting line 432 and a pulley part 433, the pulley part 433 is rotatably arranged at the upper end of the second tank body 21, the connecting line 432 is sleeved on the outer side of the pulley part 433, and two ends of the connecting line 432 are respectively connected with the second sealing cover 22 and the liquid level display part 431. When the medicament content in second medicine storage cavity 211 changes, the sealed lid 22 of second floats from top to bottom along with the liquid level of second medicine storage cavity 211, because connecting wire 432 cover is established in the outside of pulley spare 433, make the sealed lid 22 of second drive liquid level display part 431 through connecting wire 432 and carry out the motion in opposite direction, thereby when not opening the second jar body 21, detect the content of the low concentration medicament in second medicine storage cavity 211 through liquid level detection piece 43, and observe through liquid level display part 431, store up the medicament content in real time under the inclosed prerequisite of medicine storage cavity 211 guaranteeing the second, avoid the air to store up the high concentration medicament contact in the medicine storage cavity 211 with the second, guarantee the result of use of medicament and the quality of water of pure water preparation.

As shown in fig. 1, a supporting plate 215 is disposed at an upper end of the second tank 21, the pulley member 433 includes a first pulley 4331 and a second pulley 4332 which are disposed on the supporting plate 215 at an interval in a horizontal direction, the connecting line 432 is sleeved on the first pulley 4331 and the second pulley 4332, one end of the connecting line 432 is connected to a middle portion of the second sealing cover 22, the first pulley 4331 is located right above the middle portion of the second sealing cover 22, and the second pulley 4332 is disposed at an edge of the supporting plate 215. Because the second pulley 4332 is arranged at the edge of the supporting plate 215, the first pulley 4331 and the second tank 21 are compact in spatial arrangement, the medicine adding device for pure water preparation is compact in structure and small in occupied area, and because one end of the connecting line 432 is connected with the middle part of the second sealing cover 22, the first pulley 4331 is positioned right above the middle part of the second sealing cover 22, the connecting line 432 can synchronously transmit the movement of the second sealing cover 22 to the liquid level display part 431, so that the liquid level display part 431 can accurately display the medicine content in the second medicine storage cavity 211, and the observation of a user is facilitated.

As shown in fig. 1, the communicating pipe 30 further includes a medicine outlet pipe 35, the medicine outlet pipe 35 is communicated with the medicine outlet 214, and the medicine outlet pipe 35 is provided with a medicine outlet valve 55. When the medicine adding device prepared by pure water is used for adding medicine, only the medicine outlet valve 55 is opened, so that the low-concentration medicine in the second medicine storage cavity 211 is discharged outside through the medicine outlet pipe 35, and the medicine adding device prepared by pure water completes the medicine adding operation to the next device in the pure water preparation process.

As shown in fig. 1, the medicine outlet tube 35 is further provided with a flow pump 62. When the medicine adding device for pure water preparation adds medicine to the next device, the flow of the medicine outlet pipe 35 is changed by the flow pump 62, so that the medicine adding speed of the medicine adding device for pure water preparation is controlled.

As shown in fig. 1, the first tank 11 is a vertically arranged long cylindrical structure, a blocking cover 116 is openably and closably arranged at the upper end of the first tank 11, and a sealing cavity 111 is defined by the lower surface of the blocking cover 116, the inner wall of the first tank 11 and the upper surface of the first sealing cover 12. Adopt foretell long tubular structure for first jar of body 11 can save space on spatial arrangement, makes the area of charge device's of pure water preparation reduce, when the charge device who utilizes the pure water preparation dispenses, opens first sealed lid 12 and shutoff lid 116 and adds the medicament to first storage medicine chamber 112 in.

In the present embodiment, the first valve 51, the second valve 52, and the third valve 53 are all solenoid valves. By adopting the electromagnetic valve, the first valve 51, the second valve 52 and the third valve 53 can be used sensitively, and the first valve 51, the second valve 52 and the third valve 53 can be controlled manually and remotely or automatically in the using process conveniently.

In this embodiment, the circulating valve 54 and the dispensing valve 55 are both solenoid valves, which facilitates manual remote control or automatic control of the circulating valve 54 and the dispensing valve 55 during use.

The device provided by the embodiment has the following beneficial effects:

(1) Because the first medicine storage cavity 112 and the second medicine storage cavity 211 are respectively sealed by the first sealing cover 12 and the second sealing cover 22, the high-concentration medicine in the first medicine dispensing cavity and the low-concentration medicine in the second medicine dispensing cavity are in a sealed state in the storage and use processes, the contact between air and the medicine stored in the medicine adding device prepared by pure water is avoided, the failure of the medicine stored in the medicine adding device prepared by pure water is avoided, and the use effect of the medicine and the water quality prepared by pure water are ensured;

(2) The stirring piece 41 is rotatably arranged on the bottom wall of the second medicine storage cavity 211, two ends of the circulating pipe 34 are respectively communicated with the second communicating pipe 33 and the second communicating port 115, the circulating pipe 34 is provided with the circulating valve 54, the circulating pump 61 positioned between the circulating valve 54 and the second valve 52 is arranged on the second communicating pipe 33, the uniformity of the medicines in the first medicine storage cavity 112 and the second medicine storage cavity 211 is ensured, the concentration of the medicines output by the first medicine storage cavity 112 and the second medicine storage cavity 211 is ensured to be stable and consistent, and the using effect of the medicines and the water quality prepared by pure water are further ensured;

(3) When not opening first jar of body 11 and second jar of body 21, detect the medicament content in first medicine storage chamber 112 and the second medicine storage chamber 211 through level sensor 42 and liquid level detection piece 43, guarantee that first medicine storage chamber 112 and second medicine storage chamber 211 are airtight under the real-time supervision medicament content, avoid the air and first medicine storage chamber 112 and the second medicine storage chamber 211 in the medicament contact, guarantee the result of use of medicament and the quality of water of pure water preparation.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (10)

1. The utility model provides a charge device of pure water preparation which characterized in that, charge device of pure water preparation includes:

the first medicine storage tank (10) comprises a first tank body (11) and a first sealing cover (12) arranged in the first tank body (11), the first sealing cover (12) divides an inner cavity of the first tank body (11) into a sealing cavity (111) and a first medicine storage cavity (112) located below the sealing cavity (111), the first sealing cover (12) can float up and down along with the liquid level of the first medicine storage cavity (112), the first tank body (11) is provided with a first communication port (113) communicated with the first medicine storage cavity (112) and an air vent (114) communicated with the sealing cavity (111), and a first valve (51) is arranged at the air vent (114);

the second medicine storage tank (20) comprises a second tank body (21) and a second sealing cover (22) arranged in the second tank body (21), the second sealing cover (22) divides an inner cavity of the second tank body (21) into a second medicine storage cavity (211) and a communicating cavity (212) which is positioned above the second medicine storage cavity (211) and is communicated with the outside, the second sealing cover (22) can float up and down along with the liquid level of the second medicine storage cavity (211), and the second tank body (21) is provided with a liquid inlet (213) and a medicine outlet (214) which are communicated with the second medicine storage cavity (211);

intercommunication pipeline (30), including inlet tube (31), first communicating pipe (32) and second communicating pipe (33), the both ends of first communicating pipe (32) respectively with the export of inlet tube (31) with first communicating pipe (113) are linked together, the both ends of second communicating pipe (33) respectively with the export of inlet tube (31) with inlet (213) are linked together, be provided with second valve (52) on inlet tube (31), be provided with third valve (53) on second communicating pipe (33).

2. The dosing device for pure water preparation according to claim 1, wherein the communication pipeline (30) further comprises a circulation pipe (34), the first tank (11) further has a second communication port (115) communicated with the first drug storage cavity (112), the second communication port (115) is located below the first communication port (113), two ends of the circulation pipe (34) are respectively communicated with the second communication pipe (33) and the second communication port (115), the circulation pipe (34) is provided with a circulation valve (54), and the second communication pipe (33) is provided with a circulation pump (61) located between the circulation valve (54) and the second valve (52).

3. The pure water preparation dosing device according to claim 1, further comprising an agitating member (41) rotatably provided on a bottom wall of the second drug storage chamber (211).

4. The pure water preparation dosing device according to claim 1, further comprising a liquid level sensor (42) disposed on a bottom wall of the first drug storage chamber (112).

5. The medicine adding device for pure water preparation according to claim 1, further comprising a liquid level detection member (43), wherein the liquid level detection member (43) comprises a liquid level display member (431), a connection line (432) and a pulley member (433), the pulley member (433) is rotatably disposed at the upper end of the second tank body (21), the connection line (432) is sleeved at the outer side of the pulley member (433), and two ends of the connection line (432) are respectively connected with the second sealing cover (22) and the liquid level display member (431).

6. The medicine adding device for pure water preparation according to claim 5, wherein a support plate (215) is arranged at the upper end of the second tank (21), the pulley member (433) comprises a first pulley (4331) and a second pulley (4332) which are arranged on the support plate (215) at intervals along the horizontal direction, the connecting line (432) is sleeved on the first pulley (4331) and the second pulley (4332), one end of the connecting line (432) is connected with the middle part of the second sealing cover (22), the first pulley (4331) is positioned right above the middle part of the second sealing cover (22), and the second pulley (4332) is arranged at the edge of the support plate (215).

7. The dosing device for pure water preparation according to any one of claims 1 to 6, wherein the communication pipeline (30) further comprises a drug outlet pipe (35), the drug outlet pipe (35) is communicated with the drug outlet (214), and a drug outlet valve (55) is arranged on the drug outlet pipe (35).

8. The dosing device for pure water preparation according to claim 7, wherein a flow pump (62) is further disposed on the drug outlet pipe (35).

9. The dosing device for pure water preparation according to any one of claims 1 to 6, wherein the first tank (11) is a vertically arranged long cylinder structure, a blocking cover (116) is openably and closably arranged at the upper end of the first tank (11), and the lower surface of the blocking cover (116), the inner wall of the first tank (11) and the upper surface of the first sealing cover (12) jointly enclose the sealing cavity (111).

10. The dosing device for pure water preparation according to any one of claims 1 to 6, wherein the first valve (51), the second valve (52) and the third valve (53) are all solenoid valves.

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