CN214140607U

CN214140607U - Long-distance resin conveying equipment

Info

Publication number: CN214140607U
Application number: CN202023019437.XU
Authority: CN
Inventors: 杨海滔; 花立存; 付林
Original assignee: Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Current assignee: Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-09-07
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a long distance resin conveying equipment belongs to the resin and carries the field. The upper end of a resin buffer tank is respectively communicated with a resin inlet, an instrument compressed air inlet, a flushing demineralized water inlet and an overflow water outlet through pipelines, and the lower end of the resin buffer tank is respectively communicated with a resin outlet and a water outlet through pipelines; an automatic ball valve for a resin pipeline is arranged at a resin inlet, and the other side of the automatic ball valve is respectively communicated with an outlet of the mixed bed resin conveying pipeline and an outlet of the regeneration system resin conveying pipeline through valves; and a valve is arranged at the resin outlet, the other side of the valve is divided into two paths, one path of the valve is led to the inlet of the mixed bed resin conveying pipeline, the other path of the valve is led to the inlet of the regeneration system resin conveying pipeline, and the two paths of the valve are respectively provided with the valve. The utility model discloses the phenomenon of the terminal resin pipeline jam of long distance resin conveying pipeline has been reduced.

Description

Long-distance resin conveying equipment

Technical Field

The utility model belongs to the resin transport field, especially a long distance resin conveying equipment.

Background

The high-speed mixed bed is used as the conventional process equipment for desalting the condensed water of the power plant and is widely applied to condensed water fine treatment systems of nuclear power conventional islands, subcritical units, supercritical units and even individual ultrahigh pressure units. When the exchange between the resin in the high-speed mixing bed and the salt-containing ions in water is saturated, the resin is output by using a pipeline, enters a fine treatment regeneration system, is regenerated by using an acid-base solution, and is sent into the high-speed mixing bed to be used again. In order to reduce clogging in the pipe during the transportation of the resin pellets, which causes transportation failure, the resin transportation pipe is usually not larger than 200 m.

However, in the design process of system selection and equipment arrangement, the distance between the fine treatment regeneration system equipment and the high-speed mixing bed can be more than 200 meters, which brings inconvenience to the resin regeneration conveying process in the high-speed mixing bed, and when the conventional system design is used, the resin pipeline is often blocked in the later resin conveying process, which brings inconvenience to the system operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome regeneration system equipment and high-speed when mixing a bed distance and being greater than 200 meters, carry the shortcoming that the pipeline blockked up can appear in the resin, provide a long distance resin conveying equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

a long-distance resin conveying device comprises a resin cache tank, wherein the upper end of the resin cache tank is respectively communicated with a resin inlet, an instrument compressed air inlet, a flushing demineralized water inlet and an overflow water outlet through pipelines, and the lower end of the resin cache tank is respectively communicated with a resin outlet and a water outlet through pipelines;

an automatic ball valve for a resin pipeline is arranged at a resin inlet, and the other side of the automatic ball valve for the resin pipeline is respectively communicated with an outlet of the mixed bed resin conveying pipeline and an outlet of the regeneration system resin conveying pipeline through valves;

and a valve is arranged at the resin outlet, the other side of the valve is divided into two paths, one path of the valve is led to the inlet of the mixed bed resin conveying pipeline, the other path of the valve is led to the inlet of the regeneration system resin conveying pipeline, and the two paths of the valve are respectively provided with the valve.

Furthermore, a valve is arranged on a pipeline between the compressed air inlet for the instrument and the resin cache tank.

Furthermore, a valve is arranged on a pipeline between the overflow drain outlet and the resin cache tank.

Furthermore, an automatic diaphragm valve for a water-gas pipeline is arranged on a pipeline between the flushing demineralized water inlet and the resin cache tank.

Furthermore, a valve is arranged on a pipeline between the resin buffer tank and the water outlet.

Furthermore, the upper end of the resin buffer tank is columnar, and the lower end of the resin buffer tank is conical.

Furthermore, the resin buffer tank and the compressed air inlet for the instrument, the demineralized water washing inlet, the overflow outlet and the water drainage port are respectively provided with a grid, and the aperture of the grid is smaller than the particle size of the resin.

Further, the diameter of the pipeline at the water outlet is larger than that of the pipeline at the resin inlet.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a long distance resin conveying equipment, through addding resin buffer memory jar, the demineralized water of utilizing among the original system and compressed air for the appearance carry out the secondary to the resin and carry out, reduced the phenomenon of the terminal resin pipeline jam of long distance resin pipeline, solved condensate water fine treatment system and mixed bed equipment and arrange the problem that limits in the pipeline need be less than 200m rather than supporting resin regeneration system equipment, the system arrangement of messenger is more optimized, and then has reduced the whole investment of system.

Furthermore, the setting of graticule mesh prevents to run fat in the transportation process.

Furthermore, the diameter of the pipeline at the water outlet is larger than that of the pipeline at the resin inlet, so that water drainage can be accelerated, and secondary layering of resin in the resin cache tank is prevented.

Drawings

FIG. 1 is a schematic structural view of a long-distance resin conveying apparatus according to the present invention;

in the figure: 1-automatic ball valve for resin pipeline; 2-automatic diaphragm valve for water vapor pipeline; 3-a resin buffer tank; 4-mixed bed resin conveying pipeline; 5-regeneration system resin conveying pipeline.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present invention will be described in further detail with reference to the accompanying drawings:

the utility model discloses resin conveying pipeline based on length is greater than 200m improves.

Referring to fig. 1, fig. 1 is a schematic structural view of the long-distance resin conveying equipment of the present invention, which includes a resin buffer tank 3, wherein the upper end of the resin buffer tank 3 is respectively communicated with a resin inlet, an instrument compressed air inlet, a rinse demineralized water inlet and an overflow drain through pipes, and the lower end of the resin buffer tank 3 is respectively communicated with a resin outlet and a drain through pipes; an automatic ball valve 1 for a resin pipeline is arranged at a resin inlet, and the other side of the automatic ball valve 1 is respectively communicated with an outlet of a mixed bed resin conveying pipeline 4 and an outlet of a regeneration system resin conveying pipeline 5 through valves; a valve is arranged on a pipeline leading from an instrument compressed air inlet to the resin cache tank 3; a valve is arranged on a pipeline leading from the overflow outlet to the resin buffer tank 3; an automatic diaphragm valve 2 for a water vapor pipeline is arranged on a pipeline leading from a flushing demineralized water inlet to the resin cache tank 3; a valve is arranged on a pipeline between the resin buffer tank 3 and the water outlet; and a valve is arranged at the resin outlet, the other side of the valve is divided into two paths, one path of the valve is led to the inlet of the mixed bed resin conveying pipeline 4, the other path of the valve is led to the inlet of the regeneration system resin conveying pipeline 5, and the two paths of the valve are respectively provided with the valve.

The resin buffer conveying tank is in a cylindrical conical bottom shape, and the volume of the resin buffer conveying tank is about 1.25 times of the volume of the mixed bed resin; in order to prevent the resin buffer tank from fat leakage in the conveying process, grids are arranged at the inlet and the outlet except the inlet and the outlet of the resin, and the aperture of each grid is smaller than the particle size of the resin; in order to reduce the re-layering of the resin in the process of entering and exiting the resin buffer tank, the nominal diameter of the water outlet at the bottom of the resin is larger than 2 baffles of the nominal diameter of the resin inlet pipeline, so that the drainage is accelerated, and the secondary layering of the resin in the resin buffer tank is prevented.

The utility model discloses a long distance resin conveying equipment's working method as follows:

when the length of the resin pipeline is more than 200 meters, the resin pipeline is segmented, a resin buffer tank 3 is arranged in the middle, and the water quality and the drainage direction of the compressed air for instruments and the desalted water required in the resin conveying process are consistent with those required in the original resin conveying process; when resin is conveyed, an overflow drain valve, a resin inlet valve and a bottom drain valve of the resin buffer tank 3 are opened, the resin is conveyed into the resin buffer tank 3 until the resin in the mixed bed or the regeneration system is conveyed to finish closing the drain valve, the resin inlet valve and the bottom drain valve, and at the moment, the resin is completely conveyed into the resin buffer tank 3; and then opening a resin outlet valve and an upper water inlet valve, sending the resin out of the resin cache tank 3 until the resin of the resin pipeline sight glass is obviously reduced, closing the water inlet valve, simultaneously opening an instrument compressed air inlet valve, enabling the compressed air to enter the resin conveying cache tank 3 through the instrument compressed air inlet valve until no water and resin in the resin cache tank 3 flow out, closing the instrument compressed air inlet valve and the resin outlet valve, and completing the resin conveying of the long-distance resin conveying cache tank.

The utility model discloses a long distance resin conveying equipment through addding long resin buffer memory jar, utilizes the demineralized water in the original system and compressed air for the appearance to carry out the secondary to the resin and carries out, has reduced the terminal resin pipeline of long distance resin pipeline and has blockked up.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. The long-distance resin conveying equipment is characterized by comprising a resin cache tank (3), wherein the upper end of the resin cache tank (3) is respectively communicated with a resin inlet, an instrument compressed air inlet, a flushing demineralized water inlet and an overflow water outlet through pipelines, and the lower end of the resin cache tank (3) is respectively communicated with a resin outlet and a water outlet through pipelines;

an automatic ball valve (1) for a resin pipeline is arranged at a resin inlet, and the other side of the automatic ball valve (1) for the resin pipeline is respectively communicated with an outlet of a mixed bed resin conveying pipeline (4) and an outlet of a regeneration system resin conveying pipeline (5) through valves;

and a valve is arranged at the resin outlet, the other side of the valve is divided into two paths, one path of the valve is led to the inlet of the mixed bed resin conveying pipeline (4), the other path of the valve is led to the inlet of the regeneration system resin conveying pipeline (5), and the two paths of the valve are respectively provided with the valve.

2. The long distance resin transfer apparatus of claim 1, wherein a valve is provided on the pipe between the compressed air inlet for the apparatus and the resin buffer tank (3).

3. The long distance resin transfer apparatus of claim 1, wherein a valve is provided on the pipe between the overflow drain and the resin buffer tank (3).

4. The long distance resin transfer installation according to claim 1, characterized in that the pipeline of the flushing demineralized water inlet and the resin buffer tank (3) is provided with an automatic diaphragm valve (2) for water gas pipeline.

5. The long distance resin transfer apparatus of claim 1, wherein a valve is provided on the pipe between the resin buffer tank (3) and the drain.

6. The long distance resin transfer apparatus according to claim 1, wherein the resin buffer tank (3) has a cylindrical upper end and a tapered lower end.

7. The long distance resin transfer apparatus of claim 1, wherein the resin buffer tank (3) and the compressed air inlet, the demineralized water flushing inlet, the overflow drain and the drain are provided with a mesh having a smaller diameter than the resin particle.

8. The long distance resin transfer apparatus of claim 1, wherein the diameter of the pipe at the drain port is larger than the diameter of the pipe at the resin inlet port.