CN218118016U

CN218118016U - Discharge device of medicine discharge pump

Info

Publication number: CN218118016U
Application number: CN202221082987.2U
Authority: CN
Inventors: 刘炳伟; 赵祥峰; 崔基伟; 刘霞; 陈周燕; 张野
Original assignee: State Power Investment Group Integrated Smart Energy Technology Co ltd; State Nuclear Electric Power Planning Design and Research Institute Co Ltd
Current assignee: State Power Investment Group Integrated Smart Energy Technology Co ltd; State Nuclear Electric Power Planning Design and Research Institute Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-12-23
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a discharge device of medicine unloading pump, including acid-base tank car and the acid-base holding vessel of setting in acid-base tank car one side, discharge device includes: an output pipe, a medicine discharging pump, an input pipe, a discharge pipe and a third valve; the both sides of unloading the medicine pump are equipped with inlet and liquid outlet respectively, the inlet of unloading the medicine pump communicates with the one end of output tube, the liquid outlet of unloading the medicine pump communicates with the one end of input tube, the input tube lateral wall communicates with the upper end of delivery pipe, the third valve is located the delivery pipe. The utility model discloses can avoid unloading medicine pump to change harm when starting, avoid depositing the acid-base medicine in the pipeline for a long time, avoid the acid-base harm to operating personnel when pipeline or valve overhaul simultaneously, improve the security, reduce the acid-base corrosion in liquid medicine output tube, the input tube, can also guarantee not have the acid-base to cause the pollution to the environment to can realize staff's maintenance and change to pipeline valve.

Description

Discharge device of medicine discharge pump

Technical Field

The utility model belongs to the technical field of power plant water treatment system's acid-base is stored, in particular to discharge pump discharging equipment unloads.

Background

Acid and alkali and other medicines are widely applied to water treatment systems of power plants, and the transportation and storage of the acid and alkali belong to important safe production links of the power plants. The acid-base conveying and storing system for power plant water treatment consists of acid-base tank trucks, a medicine unloading pump, acid-base storage tanks and a piping system, and mainly utilizes the medicine unloading pump to unload medicines in the acid-base tank trucks into the acid-base storage tanks.

At present, acid-base unloading pumps of a plurality of power plants are not provided with buffer facilities, so that when an acid-base tank car is connected with an inlet valve of an unloading pump through a hose, the unloading pump cannot convey medicines due to idling of the unloading pump because air exists in the hose and medicines exist in an outlet pipeline of the unloading pump and have a certain liquid level difference. In addition, because there is the medicine in the discharge pump outlet pipeline, when discharge pump or piping were overhauld, the medicine in the pipeline can't be discharged, can have certain risk to overhauing.

Accordingly, it is desirable to provide a discharge device for a discharge pump.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a discharge device of a medicine discharge pump, which comprises an acid-base tank car and an acid-base storage tank arranged on one side of the acid-base tank car,

the discharge device includes: an output pipe, a medicine discharging pump, an input pipe, a discharge pipe and a third valve;

the both sides of unloading the medicine pump are equipped with inlet and liquid outlet respectively, the inlet of unloading the medicine pump communicates with the one end of output tube, the liquid outlet of unloading the medicine pump communicates with the one end of input tube, the input tube lateral wall communicates with the upper end of delivery pipe, the third valve is located the delivery pipe.

Furthermore, the output pipe is provided with a first valve, and the first valve is positioned at the right end of the output pipe.

Further, the right end of the input pipe is connected with the acid-base storage tank, a second valve is arranged on the input pipe, and the second valve is located at the left end of the output pipe.

Further, the left end of the output pipe is connected with an acid-base tank truck.

Further, a collecting pool is arranged at the lower end of the discharge pipe, and the lower end of the discharge pipe extends into the collecting pool.

Further, the collecting tank is any container which can be loaded and is corrosion-resistant.

Furthermore, the output pipe and the discharge pipe are both flexible pipes, and the input pipe is a hard pipeline.

Furthermore, pressure gauges are arranged at any position of the output pipe, the input pipe and the discharge pipe.

Further, a liquid level meter is arranged on the acid-base storage tank.

Furthermore, the middle section of the input pipe is vertically arranged, and the communication position of the discharge pipe and the input pipe is positioned at the lowest point of the whole medicine unloading device.

Further, the first valve, the second valve and the third valve are all one-way valves.

Furthermore, the inlet pipe is connected with the opening of the acid-base storage tank through a flange, and a sealing ring is arranged at the joint.

Furthermore, the bottom of the acid-base storage tank is provided with a plurality of heightening columns,

furthermore, the output pipe is in interference fit with a liquid outlet of the acid-base tank truck, and a sealing ring is arranged at the joint.

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

The utility model discloses a following beneficial effect has:

(1) The utility model discloses, through setting up the discharge pipe at the minimum of output tube, set up the discharging device in the lowest liquid level department of discharge pump outlet pipeline, avoid unloading the medicine pump and start the time-out harm, avoid depositing the acid-base medicine in the pipeline for a long time, avoid the acid-base harm to operating personnel when pipeline or valve are overhauld simultaneously, improve the security;

(2) The utility model can avoid idle running of the medicine unloading pump by exhausting the air in the input pipe, ensures that the acid-base liquid medicine is conveyed to the storage tank by the tank car, and simultaneously, the acid and the base flowing out during the exhaust can be collected in the wastewater tank, thereby avoiding the environmental pollution;

(3) The utility model can ensure that the liquid medicine accumulated in the output pipe and the input pipe flows out of the discharge pipe by closing the first valve and the second valve and opening the third valve, thereby ensuring that no acid and alkali residue exists in the output pipe and the input pipe after the medicine discharge is finished, and reducing the acid and alkali corrosion in the liquid medicine output pipe and the input pipe;

(4) The utility model can ensure that no acid and alkali pollutes the environment by collecting the liquid medicine flowing out of the discharge pipe;

(5) The utility model discloses, can also realize the staff and in time change input tube and first valve to the maintenance of input tube and first valve.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 shows a schematic structural diagram of a discharge device of a medicine discharge pump in an embodiment of the invention;

FIG. 2 is a schematic view showing the flow direction of the liquid medicine during the exhaust of the embodiment of the present invention;

fig. 3 is a schematic view illustrating the liquid medicine flow direction during storage according to an embodiment of the present invention;

fig. 4 shows the schematic diagram of the embodiment of the present invention after the medicine unloading is completed.

In the figure: an acid-base tank truck 1; an output pipe 2; a first valve 3; a drug discharge pump 4; a second valve 5; an input pipe 6; an acid-base storage tank 7; a discharge pipe 8; a third valve 9; a collection basin 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1, a unload medicine pump discharging equipment, acid-base tank car 1 with set up acid-base holding vessel 7 in 1 one side of acid-base tank car is equipped with the level gauge on the acid-base holding vessel 7, the bottom of acid-base holding vessel 7 is provided with a plurality of bed hedgehopping posts, discharging equipment includes: an output pipe 2, a medicine discharging pump 4, an input pipe 6, a discharge pipe 8 and a third valve 9; a liquid inlet and a liquid outlet are respectively arranged at two sides of a medicine unloading pump 4, the liquid inlet of the medicine unloading pump 4 is communicated with one end of an output pipe 2, a first valve 3 is arranged on the output pipe 2, the first valve 3 is positioned at the right end of the output pipe 2, the left end of the output pipe 2 is connected with an acid-base tank truck 1, the output pipe 2 is in interference fit with the liquid outlet of the acid-base tank truck 1, a sealing ring is arranged at the joint, the liquid outlet of the medicine unloading pump 4 is communicated with one end of an input pipe 6, the input pipe 6 is a hard pipeline, the middle section of the input pipe 6 is vertically arranged, the right end of the input pipe 6 is connected with an acid-base storage tank 7, the input pipe 6 is connected with the tank mouth of the acid-base storage tank 7 through a flange, the sealing ring is arranged at the joint, a second valve 5 is arranged on the input pipe 6, the second valve 5 is located at the left end of the input pipe 6, the side wall of the input pipe 6 is communicated with the upper end of the discharge pipe 8, the communication position of the discharge pipe 8 and the input pipe 6 is located at the lowest point of the whole medicine unloading device, the third valve 9 is located on the discharge pipe 8, the first valve 3, the second valve 5 and the third valve 9 are all one-way valves, the first valve 3, the second valve 5 and the third valve 9 are all electromagnetic valves, the output pipe 2 and the discharge pipe 8 are hoses, a pressure gauge is arranged at any place on the output pipe 2, the input pipe 6 and the discharge pipe 8, a collecting pool 10 is arranged at the lower end of the discharge pipe 8, the lower end of the discharge pipe 8 extends into the collecting pool 10, and the collecting pool 10 is any container capable of loading and resisting corrosion.

As shown in fig. 2 and 3, when the drug is required to be unloaded, the acid-base tank truck 1 is connected with the drug unloading pump 4 through the output pipe 2, and then the first valve 3, the second valve 5 and the third valve 9 are opened. Air in the output pipe 2 is discharged through the discharge pipe 8, the whole medicine unloading device starts to inject acid and alkali, when no air is discharged in the discharge pipe 8 and acid and alkali medicines flow out, the third valve 9 is closed, the first valve 3 and the second valve 5 are kept open, the medicine unloading pump 4 is started, and at the moment, the medicine unloading pump 4 and the output pipe 2 are filled with the medicines and are conveyed to the acid and alkali storage tank 7 through the input pipe 6.

When the liquid level meter in the acid-base storage tank 7 reaches a specified value, the medicine unloading pump 4 is closed, the first valve 3, the second valve 5 and the third valve 9 are still opened, the discharge pipe 8 is positioned at the lowest point of the whole medicine unloading device, medicines in the output pipe 2 and the input pipe 6 are discharged into a wastewater pond through the discharge pipe 8, after no acid or base is discharged in the discharge pipe 8, the first valve 3, the second valve 5 and the third valve 9 are closed, the output pipe 2 is disconnected with the first valve 3, and the medicine unloading process is ended.

As shown in fig. 4, when the pipeline and the valve need to be overhauled, the third valve 9 is opened before the overhaul, and the acid-base liquid medicine possibly existing in the input pipe 6 flows into the collecting tank 10 from the discharge pipe 8, so that the pollution of acid and base to the environment can be prevented.

Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, modifications may be made to the technical solutions described in the foregoing embodiments, or some technical features may be replaced with others; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A discharge device of a medicine unloading pump comprises an acid-base tank truck (1) and an acid-base storage tank (7) arranged on one side of the acid-base tank truck (1), and is characterized in that,

the discharge device includes: an output pipe (2), a medicine discharging pump (4), an input pipe (6), a discharge pipe (8) and a third valve (9);

the two sides of the medicine unloading pump (4) are respectively provided with a liquid inlet and a liquid outlet, the liquid inlet of the medicine unloading pump (4) is communicated with one end of the output pipe (2), the liquid outlet of the medicine unloading pump (4) is communicated with one end of the input pipe (6), the side wall of the input pipe (6) is communicated with the upper end of the discharge pipe (8), and the third valve (9) is positioned on the discharge pipe (8).

2. The discharge device of a depilling pump according to claim 1,

the device is characterized in that the output pipe (2) is provided with a first valve (3), and the first valve (3) is positioned at the right end of the output pipe (2).

3. The discharge device of claim 2,

the right end of the input pipe (6) is connected with the acid-base storage tank (7), a second valve (5) is arranged on the input pipe (6), and the second valve (5) is located at the left end of the input pipe (6).

4. The discharge device of claim 2,

the left end of the output pipe (2) is connected with the acid-base tank truck (1).

5. The discharge device of claim 1,

the lower end of the discharge pipe (8) is provided with a collecting tank (10), and the lower end of the discharge pipe (8) extends into the collecting tank (10).

6. A depilling pump discharge device according to claim 5,

the collecting tank (10) is any container which can be loaded and is corrosion-resistant.

7. A depilling pump discharge device according to claim 5,

the output pipe (2) and the discharge pipe (8) are both flexible pipes, and the input pipe (6) is a hard pipeline.

8. A depilling pump discharge device according to claim 7,

pressure gauges are arranged at any position of the output pipe (2), the input pipe (6) and the discharge pipe (8).

9. A depilling pump discharge device according to claim 3,

and a liquid level meter is arranged on the acid-base storage tank (7).

10. The discharge device of claim 8,

the middle section of the input pipe (6) is arranged vertically, and the communication part of the discharge pipe (8) and the input pipe (6) is positioned at the lowest point of the whole medicine unloading device.

11. A depilling pump discharge device according to claim 3,

the first valve (3), the second valve (5) and the third valve (9) are all one-way valves.

12. The discharge device of claim 10,

the inlet pipe (6) is connected with the opening of the acid-base storage tank (7) through a flange, and a sealing ring is arranged at the joint.

13. The discharge device of claim 12,

and a plurality of heightening columns are arranged at the bottom of the acid-base storage tank (7).

14. The discharge device of claim 8,

the output pipe (2) is in interference fit with a liquid outlet of the acid-base tank truck (1), and a sealing ring is arranged at the joint.

15. The discharge device of claim 11,

the first valve (3), the second valve (5) and the third valve (9) are all electromagnetic valves.