CN210088468U - A kind of acid liquid mutual pouring pipeline of one work and one acid storage tank - Google Patents

Abstract

The utility model provides an acid liquid mutual inversion pipeline of one working and one acid storage tank. A 1# acid discharge pipe is connected by the side of the 1# acid storage tank sewage pipe between the 1# acid storage tank and the 1# sewage valve. A 2# acid outlet pipe is next to the 2# acid storage tank blowdown pipe between the 2# acid storage tank and the 2# blowdown valve, and the other ends of the 1# acid outlet pipe and the 2# acid outlet pipe are connected On the acid pouring pipe between the acid pump and the acid liquid transport vehicle, the 1# acid outlet pipe is equipped with a 1# recovery valve, the 2# acid outlet pipe is equipped with a 2# recovery valve, and the acid pouring pipe near the acid pump is equipped with a 1# recovery valve. Pour acid inlet valve. The utility model has a simple structure and is easy to implement, can avoid the waste of acid liquid caused by the maintenance and emergency repair operations of one acid storage tank for one work and one acid storage tank, effectively reduces the production cost of the enterprise, and saves acid resources.

Description

A kind of acid liquid mutual pouring pipeline of one work and one acid storage tank

technical field

The utility model belongs to the field of water treatment equipment, and relates to an acid liquid reciprocal pipeline of a storage tank for an industrial and an acid backup.

Background technique

The demineralized water station supporting the gas-steam combined cycle power station is equipped with two acid storage tanks and two alkali storage tanks, each with a volume of 20 cubic meters, and the operation mode is one work and one standby. When an acid storage tank (or alkali storage tank) needs to be repaired, especially in emergency repair, it is necessary to empty all the remaining acid and alkali in the maintenance storage tank, which not only affects the maintenance or emergency repair time, but also causes a certain degree of acid liquid or waste of lye.

SUMMARY OF THE INVENTION

The utility model aims to provide an acid-liquid reciprocal pipeline of one work and one backup acid storage tank, which can avoid the waste of acid liquid caused by the overhaul and emergency repair operations of the acid storage tank and reduce the production cost.

For this reason, the technical solution adopted by the present utility model is:

A one-work-one-reserve acid storage tank acid liquid reciprocal pipeline, comprising a 1# acid storage tank drain pipe connected to the upper end of the 1# acid storage tank, and a 2# acid storage tank drain pipe connected to the upper end of the 2# acid storage tank , and the acid pouring pipe connecting the acid pump and the acid liquid transport vehicle, the 1# acid storage tank drain pipe is provided with a 1# drain valve, and the 2# acid storage tank drain pipe is provided with a 2# drain valve. A 1# acid outlet pipe is connected to the 1# acid storage tank blowdown pipe between the tank and the 1# blowdown valve, and the 2# acid storage tank blowdown pipe between the 2# acid storage tank and the 2# blowdown valve is connected to the side. Connect a 2# acid outlet pipe, the other ends of the 1# acid outlet pipe and the 2# acid outlet pipe are connected to the acid pouring pipe between the acid pump and the acid liquid transport vehicle, and the 1# acid outlet pipe is equipped with 1# Recovery valve, 2# recovery valve is installed on the 2# acid outlet pipe, and acid pouring inlet valve is installed on the acid pouring pipe near the acid pump.

The beneficial effects of the present utility model are:

The utility model has a simple structure and is easy to implement, can avoid the waste of acid liquid caused by the maintenance and emergency repair of one acid storage tank, effectively reduce the production cost of enterprises, and save acid resources.

Description of drawings

Fig. 1 is a schematic diagram of the pipeline structure of the acid liquids of one working and one preparing acid storage tank.

In the picture: 1# acid storage tank 1, 1# blowdown valve 2, 1# acid outlet pipe 3, 1# recovery valve 4, acid pump 5, acid pouring inlet valve 6, acid pouring pipe 7, acid liquid transport vehicle 8, 1# acid storage tank drain pipe 9, drain ditch 10, 2# acid storage tank drain pipe 11, 2# drain valve 12, 2# acid outlet pipe 13, 2# recovery valve 14, 2# acid storage tank 15, acid pump Outlet valve 16, acid storage tank inlet pipe 17, acid storage tank inlet main valve 18, 1# acid storage tank inlet valve 19, 2# acid storage tank inlet valve 20, 1#, 2# acid storage tank communication pipes 21.

Detailed ways

As can be seen from the accompanying drawing 1, the former 1# acid storage tank 1 and the 2# acid storage tank 15 adopt the operation mode of one work and one backup, when the 1# acid storage tank 1 is in operation, the 2# acid storage tank 15 is standby, and vice versa . In addition, the system is equipped with an acid pump 5, an acid liquid transport vehicle 8, a 1# acid storage tank drain pipe 9 at the upper end of the 1# acid storage tank 1, and a 2# acid storage tank drain pipe 11 at the upper end of the 2# acid storage tank 15. , 1# acid storage tank sewage pipe 9 and 2# acid storage tank sewage pipe 11 are opened at the other end of sewage ditch 10, 1# acid storage tank sewage pipe 9 is provided with 1# blowdown valve 2, 2# acid storage tank blowdown The pipe 11 is provided with a 2# blowdown valve 12 . Meanwhile, an acid pouring pipe 7 is connected between the acid pump 5 and the acid liquid transport vehicle 8 .

In the utility model, the acid liquid of the acid storage tank is reversed, and a 1# outlet pipe is connected to the 1# acid storage tank sewage pipe 9 between the 1# acid storage tank 1 and the 1# sewage valve 2. Acid pipe 3, connect a 2# acid outlet pipe 13 on the 2# acid storage tank blowdown pipe 11 between the 2# acid storage tank 15 and the 2# blowdown valve 12, and the 1# acid outlet pipe 3 and 2# outlet The other end of the acid pipe 13 is connected to the acid pouring pipe 7 between the acid pump 5 and the acid liquid transport vehicle 8, the 1# acid outlet pipe 3 is equipped with a 1# recovery valve 4, and the 2# acid outlet pipe 13 is equipped with 2 #Recycle valve 14. An acid pouring inlet valve 6 is installed on the acid pouring pipe 7 near the acid pump 5 .

Take the working condition where 40% acid liquid is stored in the 1# acid storage tank 1, and the maintenance operation after the 1# acid storage tank 1 needs to be emptied as an example, in order to ensure that the 1# acid storage tank 1 can reach the empty state, and To recover all the acid liquid remaining in the 1# acid storage tank 1, the following operations are required: open the 1# recovery valve 4, open the acid inlet valve 6, open the outlet valve 16 of the acid pump 5, and open the acid storage tank inlet pipe 17 The acid storage tank inlet main valve 18, open the 2# acid storage tank inlet valve 20 on the 1# and 2# acid storage tank communication pipes 21, the 1# acid storage tank inlet valve 19 and other valves are all closed, and then start the acid pump 5; After all the acid liquid remaining in the 1# acid storage tank 1 is transported to the 2# acid storage tank 15, stop the acid pump 5, and close all the valves in the system.

Claims (1)

1. An acid liquor mutual-reversing pipeline for a one-working one-standby acid storage tank comprises a 1# acid storage tank drainage pipe connected to the upper end of a 1# acid storage tank, a 2# acid storage tank drainage pipe connected to the upper end of a 2# acid storage tank, and an acid pouring pipe for connecting the acid pump and the acid transport vehicle, a 1# blow-off valve is arranged on the 1# acid storage tank blow-off pipe, a 2# blow-off valve is arranged on the 2# acid storage tank blow-off pipe, it is characterized in that a No. 1 acid outlet pipe is connected beside a No. 1 acid storage tank blow-off pipe between a No. 1 acid storage tank and a No. 1 blow-off valve, a2 # acid outlet pipe is connected to the side of the 2# acid storage tank blow-off pipe between the 2# acid storage tank and the 2# blow-off valve, the other ends of the 1# acid outlet pipe and the 2# acid outlet pipe are connected to an acid pouring pipe between the acid pump and the acid liquid transport vehicle, the 1# acid outlet pipe is provided with a 1# recovery valve, the 2# acid outlet pipe is provided with a 2# recovery valve, and the acid pouring pipe close to the acid pump is provided with an acid pouring inlet valve.

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