CN203264651U - Medicine feeding groove with upper-lower-layer structure - Google Patents

Abstract

The utility model discloses a dosing tank with an upper and lower structure. The dosing tank includes a concentrated drug preparation tank and a thin drug preparation tank arranged on the upper and lower layers. A partition is arranged between the two tanks. The area of the horizontal projection of the drug preparation tank is large, and the outer edge of the partition forms the lower tank cover; the concentrated drug preparation tank is equipped with a stirrer, and the upper tank cover is provided with the upper tank tap water interface and the upper tank. The side wall of the concentrated drug preparation tank is equipped with an upper tank level gauge; the side wall of the thin drug preparation tank is equipped with a dosing pump connection port and a lower level gauge; the lower tank cover is equipped with an overflow pipe and a lower tank. The tap water interface, the compressed air interface, the observation port and the return port of the lower tank; the upper and lower connecting pipes connected with the concentrated drug preparation tank are also arranged on the lower cover plate, and the upper and lower connecting pipes are provided with valves. The utility model has the advantages of simple structure, convenient operation, small occupied area and energy saving; it is suitable for the preparation of medicaments added by physical and chemical treatment process in wastewater treatment engineering.

Description

A dosing tank with an upper and lower structure

technical field

The utility model relates to a dispensing facility, in particular to a device for preparing a solid medicine into a liquid medicine with a specified concentration. the

Background technique

In the water treatment industry, dosing facilities are an essential part of projects involving physical and chemical treatment processes. Prepare the specified solid medicine to the required concentration through the dosing tank, and then add it to the dosing point through the metering pump. For wastewater treatment, especially the physical and chemical treatment process of heavy metal wastewater, there are many kinds of chemicals to be added, and multiple dosing tanks are required. Traditional two-connected dosing tanks are used, as shown in Figure 1-1 and Figure 1-2. It mainly includes a parallel dispensing tank 1 and a medicine preparation tank 2, the medicine dispensing tank 1 is provided with an agitator 3 and a medicine dispensing tank vent pipe 7, and an intermediate pump 4 is arranged between the medicine dispensing tank 1 and the medicine preparation tank 2 , the intermediate pump 4 is connected with a pump medicine inlet 5 and a pump medicine outlet 6, and the medicine preparation tank 2 is provided with a medicine preparation tank vent pipe 8. The two-connected dosing tank not only occupies a large area, but also consumes a certain amount of power due to the intermediate lift pump 4 provided between the dosing tank 1 and the medicine preparation tank 2, and the pump is also a frequent accident point. Once the intermediate lift pump breaks down, it will cause the dosing work to fail. In addition, the two-connected dosing tank also has the disadvantage of high labor intensity for workers. the

Utility model content

Aiming at the above prior art, the utility model provides a dosing tank with an upper and lower structure, which has a simple structure, convenient operation, small footprint and energy saving. The dosing tank of the utility model is mainly used for the preparation of medicaments added in the physical and chemical treatment process in wastewater treatment engineering, and the original medicaments are powdered medicaments such as PAM, PAC, polyferrous sulfate, and calcium chloride. the

In order to solve the above-mentioned technical problems, the technical scheme realized by a dosing tank with an upper and lower structure of the utility model is: the dosing tank includes a concentrated medicine preparation tank and a dilute medicine preparation tank, the concentrated medicine preparation tank and the The dilute drug preparation tank is arranged in upper and lower layers, and a partition is provided between the concentrated drug preparation tank and the thin drug preparation tank, and the area of the thin drug preparation tank is larger than the horizontal projection of the concentrated drug preparation tank, so The outer edge of the partition plate covers the top of the thin drug preparation tank to form a lower tank cover; the concentrated drug preparation tank is provided with an agitator, and the top of the concentrated drug preparation tank is provided with an upper tank cover, The upper tank cover plate is provided with an upper tank tap water interface and an upper tank dosing port; the side wall of the concentrated drug preparation tank is provided with an upper tank liquid level gauge; the side wall of the thin drug preparation tank is provided with The connection port of the dosing pump and the lower level gauge; the cover plate of the lower tank is provided with an overflow pipe, the tap water interface of the lower tank, the compressed air interface, the observation port and the return port of the lower tank; the cover plate of the lower layer is also provided with There are upper and lower connecting pipes connected with the concentrated drug preparation tank, and valves are arranged on the upper and lower connecting pipes. the

The utility model is a medicine dosing tank with an upper and lower structure, wherein, the liquid level gauge of the upper tank is connected with the concentrated drug preparation tank through the connection port of the liquid level gauge of the upper tank. The liquid level gauge of the lower tank is connected with the dilute medicine preparation tank through the connection port of the liquid level gauge of the lower tank. The cover plate of the upper tank is provided with a cover plate of the feeding port, and the feeding port of the upper tank is arranged on the cover plate of the feeding port. The lower groove cover plate is provided with the lower groove observation port cover plate, and the observation port of the lower layer groove is located on the lower layer groove observation port cover plate. The valve is a manual valve or an electric valve. the

Compared with the prior art, the beneficial effects of the utility model are:

Compared with the two-connected dosing tank in the prior art, the dosing tank of the utility model adopts the upper and lower structure, occupies a small area, and eliminates the intermediate lifting pump, reducing power consumption and accident points. Especially for projects with many types of dosing, the advantages of small footprint and convenient operation can be better reflected. the

Description of drawings

Fig. 1-1 is the front view of a kind of two-connected dosing tank in the prior art;

Figure 1-2 is a top view of the two-connected dosing tank shown in Figure 1-1;

Fig. 2-1 is the front view of the dosing tank of the upper and lower structure of the utility model;

Figure 2-2 is a top view of the dosing tank shown in Figure 2-1;

Fig. 2-3 is a side view of the dosing tank shown in Fig. 2-1. the

In the picture:

1- Medicine dispensing tank 2- Medicine preparation tank 3, 24- Stirrer

4-Middle pump 5-Pump drug inlet 6-Pump drug outlet

7-Empty pipe of medicine dispensing tank 8-Empty pipe of medicine preparation tank 21-Concentrated medicine preparation tank

22-Dilute medicine preparation tank 23-Upper tank cover 25-Dosing port cover

26-The observation port cover of the lower tank 27-The overflow pipe 28-The upper and lower connecting pipes

29-Valves

c-The upper tank liquid level gauge interface d-The lower tank water connection e-The lower tank compressed air connection

f-Tap water interface of the upper tank i-Dosing port of the upper tank j-Observation port of the lower tank

p-return port

Detailed ways

The utility model will be further described in detail below in conjunction with specific embodiments. the

As shown in Figure 2-1, Figure 2-2 and Figure 2-3, a dosing tank with an upper and lower structure of the utility model includes a concentrated drug preparation tank 21 and a thin drug preparation tank 22, the concentrated drug preparation tank 21 and the dilute drug preparation tank 22 are arranged in upper and lower layers, adopt carbon steel material, and are coated with glass fiber reinforced plastic for anticorrosion. A partition is arranged between the concentrated drug preparation tank 21 and the thin drug preparation tank 22, and the thin drug preparation tank 22 has a larger area than the horizontal projection of the concentrated drug preparation tank 21, and the outer surface of the partition is A lower tank cover plate is formed after covering the top of the diluted drug preparation tank 22 . the

Described concentrated drug preparation tank 21 is provided with agitator 24, and the top of described concentrated drug preparation tank 21 is provided with upper tank cover plate 23, and described upper tank cover plate 23 is provided with upper tank tap water interface f and upper tank addr. Medicine mouth i, described upper layer groove cover plate 23 is provided with medicine feeding port cover plate 25, and described upper layer groove medicine feeding port i is arranged on the described drug feeding port cover plate 25. The side wall of the concentrated drug preparation tank 21 is provided with an upper tank liquid level gauge interface c, and the upper tank liquid level gauge interface c is connected to the upper tank liquid level gauge. the

The side wall of the thin drug preparation tank 22 is provided with a dosing pump connection port a and a lower level gauge interface b, the lower tank level gauge interface b is connected with a lower tank level gauge, and the lower level gauge Interface b is 50mm from the bottom. The cover plate of the lower tank is provided with an overflow pipe 27, a compressed air interface e, a tap water interface d of the lower tank, a return port p and an observation port j of the lower tank. The top overflow port of the overflow pipe 27 is located at a position 100 mm away from the top of the dosing tank, and the bottom of the overflow pipe 27 leads to the diluted medicine preparation tank 22 on the lower floor. The compressed air interface e is connected to a stainless steel DN15 pipeline, which leads to the center of the bottom of the diluted drug preparation tank 22 on the lower floor. The tap water interface d of the lower tank is connected to a tap water pipe, the return port p is connected to a return pipe, and the other end of the return pipe is connected to a bypass of the dosing pump connection port a. When the dosing pipeline is blocked, the return pipe can be To protect the pump. The lower slot cover plate is provided with a lower slot observation port cover plate 26 , and the observation port j of the lower slot is arranged on the lower slot observation port cover plate 26 . the

The upper and lower connecting pipes 28 connected with the concentrated drug preparation tank 21 are also arranged on the lower cover plate, and the upper and lower connecting pipes 28 are provided with a valve 29, and the valve 29 can be a manual valve, such as Electric valves can also be set to increase the degree of automation. the

Both the liquid level gauge of the upper layer tank and the liquid level gauge of the lower layer tank in the utility model adopt a static pressure liquid level gauge. the

The working process of the utility model is as follows: as shown in Figure 2-1, Figure 2-2 and Figure 2-3, tap water is first added to the concentrated drug preparation tank 21 on the upper layer through the tap water interface d of the lower tank, and then water is added to the concentrated drug At 1/3-1/2 of the tank height of the preparation tank 21, stop the water intake, start the agitator 24 at the same time, manually add the powder medicine into the concentrated medicine preparation tank 21 through the dosing port i, after the powder medicine is added Turn on the tap water, and stop and close the valve on the tap water pipeline according to the liquid level signal of the upper tank liquid level gauge. The stirring time of the agitator 24 is set according to the property of the medicine. Generally, the stirring time of the medicine is 10 minutes to 20 minutes, and the stirring time of the special medicine such as polyacrylamide is generally 45 minutes to 60 minutes. After the concentrated solution is prepared, open the valve 29 on the upper and lower connecting pipes 28, and the concentrated solution in the concentrated drug preparation tank 21 of the upper layer will be left in the thin drug preparation tank 22 of the lower layer, and the ratio of tap water to the concentrated solution will be calculated according to the required concentration. , PLC control can also be programmed. The tap water in the lower layer enters the thin drug preparation tank 22 in the lower layer through the tap water interface d of the lower tank, and the compressed air is connected to the thin drug preparation tank 22 in the lower layer through the compressed air interface e, and the proportional dope and tap water are mixed after being stirred by compressed air Evenly, the liquid medicine that meets the preparation requirements is connected to the dosing pump through the dosing pump connection port a, and the liquid medicine is sent to the dosing point through the dosing pump. Set the bypass connected to the return port p. the

Although the utility model has been described above in conjunction with the drawings, the utility model is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are only illustrative, rather than restrictive. Under the enlightenment of the utility model, many deformations can be made without departing from the purpose of the utility model, and these all belong to the protection of the utility model. the

Claims (6)

1. the dosing tank of a levels structure, comprise dense medicine make-up tank (21) and rare medicine make-up tank (22), it is characterized in that,

It is that levels is arranged that described dense medicine make-up tank (21) and described rare medicine are joined make-up tank (22), be provided with dividing plate between described dense medicine make-up tank (21) and described rare medicine make-up tank (22), described rare medicine make-up tank (22) is larger than the area of the floor projection of described dense medicine make-up tank (21), and the outer of described dividing plate has formed lower floor's groove cover plate after covering the top of described rare medicine make-up tank (22);

Be provided with agitator (24) in described dense medicine make-up tank (21), the top of described dense medicine make-up tank (21) is provided with upper strata groove cover plate (23), and described upper strata groove cover plate (23) is provided with upper strata groove tap water interface (f) and upper strata groove dosing mouth (i); Described dense medicine make-up tank (21) is provided with upper strata groove liquid level gauge,

The sidewall of described rare medicine make-up tank (22) is provided with dosing pump connector (a) and lower floor's liquid level gauge;

Described lower floor groove cover plate is provided with observation panel (j) and the refluxing opening (p) of overflow pipe (27), lower floor's groove tap water interface (d), compressed air interface (e), lower floor's groove; Also be provided with the levels tube connector (28) that connects with described dense medicine make-up tank (21) on described lower floor cover plate, described levels tube connector (28) is provided with valve (29).

2. the dosing tank of levels structure according to claim 1, is characterized in that, described upper strata groove liquid level gauge is connected with described dense medicine make-up tank (21) by upper strata groove liquid level gauge connector (c).

3. the dosing tank of levels structure according to claim 1, is characterized in that, described lower floor groove liquid level gauge is connected with described rare medicine make-up tank (22) by lower floor's groove liquid level gauge connector (b).

4. the dosing tank of levels structure according to claim 1, is characterized in that, described upper strata groove cover plate (23) is provided with dosing mouth cover plate (25), and described upper strata groove dosing mouth (i) is located on described dosing mouth cover plate (25).

5. the dosing tank of levels structure according to claim 1, is characterized in that, described lower floor groove cover plate is provided with lower floor's groove observation panel cover plate (26), and the observation panel (j) of described lower floor groove is located on described lower floor's groove observation panel cover plate (26).

6. the dosing tank of levels structure according to claim 1, is characterized in that, described valve (29) is hand-operated valve or motor-driven valve.

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