CN210829692U

CN210829692U - Gasifier pump seal water conveying structure

Info

Publication number: CN210829692U
Application number: CN201921159946.7U
Authority: CN
Inventors: 徐超; 钱双才; 杨明浩
Original assignee: Anhui Huayi Chemical Co ltd
Current assignee: Anhui Huayi Chemical Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-23
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a sealed water transport structure of gasifier pump, including high-pressure boiler and sealed water heat exchanger, install first pipeline on the high-pressure boiler, sealed water heat exchanger both sides are equipped with the second pipeline that is linked together with first pipeline, all install first valve on the second pipeline of sealed water heat exchanger both sides. The utility model discloses a first cistern and second cistern carry out prestorage and transfer to the required sealed water of machine pump and use, first cistern is collected through the sealed water that produces high pressure boiler, the second cistern supplies sealed water through addding the middling pressure boiler, the level sensor of first cistern detects the water level, when being less than the limit value, supply through the second cistern, thereby guarantee that high pressure boiler decompression seals water heat exchanger or high pressure boiler feed pump when having the problem and need overhaul, can normally carry out the sealed water supply to the machine pump, thereby guarantee the normal equipment operation of production.

Description

Gasifier pump seal water conveying structure

Technical Field

The utility model relates to a sealed water transport structure of gasifier pump especially relates to a sealed water transport structure of gasifier pump.

Background

The sealing water used by the gasification device is 120 kilograms of high-pressure boiler water, is decompressed to 65-75 kilograms, is cooled by a sealing water heat exchanger and is used at a hard machine seal part for operating a high-pressure machine pump, so that the safe and stable operation of the machine pump is protected, and the medium in the pump is prevented from leaking.

Because the sealed water of present gasification generally adopts high-pressure boiler to supply water, when high-pressure boiler decompression sealed water heat exchanger or high-pressure boiler feed pump have the problem and need to overhaul, can't ensure the supply of sealed water of gasification to influence the machine pump safety and stability operation and prevent that the medium from leaking in the pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed water transport structure of gasifier pump to solve the problem that proposes among the above-mentioned background art.

The utility model aims at realizing through the following technical scheme: a sealed water conveying structure of a gasifier pump comprises a high-pressure boiler and a sealed water heat exchanger, wherein a first pipeline is arranged on the high-pressure boiler, second pipelines communicated with the first pipelines are arranged on two sides of the sealed water heat exchanger, first valves are arranged on the second pipelines on two sides of the sealed water heat exchanger, the first pipeline is provided with a second valve at the middle position of two ends communicated with the second pipeline, the other end of the first pipeline is communicated with a first reservoir, a second reservoir is arranged at one side of the first reservoir, a communicating pipe communicated with the first reservoir is arranged at the bottom of the second reservoir, an electric control valve is arranged on the communicating pipe, all install level sensor in first cistern and the second cistern, second cistern upper portion is linked together with the third pipeline, the fourth pipeline is installed to first cistern bottom.

Further, the height of the second water storage tank bottom plate is greater than that of the first water storage tank bottom plate.

Furthermore, a blind plate is arranged on the third pipeline, and third valves are arranged on two sides of the blind plate of the third pipeline.

Furthermore, one end of the third pipeline is communicated with the medium-pressure boiler and is provided with a medium-pressure boiler feed pump.

Further, liquid level sensor and automatically controlled valve all are connected with the regulator, and be parallelly connected electric connection between regulator and liquid level sensor and the automatically controlled valve.

The beneficial effects of the utility model, carry out prestorage and transfer use to the required sealed water of pump through adopting first cistern and second cistern, first cistern is collected through the sealed water that produces high pressure boiler, the second cistern supplies sealed water through addding the middling pressure boiler, the level sensor of first cistern detects the water level, when being less than the limit value, supply through the second cistern, thereby guarantee that high pressure boiler decompression seals water heat exchanger or high pressure boiler feed pump when having the problem and need overhaul, can normally seal the water supply to the pump, thereby guarantee production normal plant operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the distribution of the first reservoir and the second reservoir of the present invention;

fig. 3 is a schematic view of the regulator connection according to the present invention.

In the figure: 1. the high-pressure boiler comprises a high-pressure boiler body, 2, a first pipeline, 3, a second pipeline, 4, a sealed water heat exchanger, 5, a first valve, 6, a second valve, 7, a first reservoir, 8, a second reservoir, 9, a communicating pipe, 10, an electric control valve, 11, a third pipeline, 12, a blind plate, 13, a third valve, 14, a medium-pressure boiler water feeding pump, 15, a fourth pipeline, 16, a liquid level sensor, 17 and a regulator.

Detailed Description

The technical solution in the embodiments of the present invention will be 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 only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

As shown in fig. 1-3, the utility model discloses a gasifier pump sealing water conveying structure, which comprises a high pressure boiler 1, a first pipeline 2, a second pipeline 3, a sealing water heat exchanger 4, a first valve 5, a second valve 6, a first reservoir 7, a second reservoir 8, a communicating pipe 9, an electric control valve 10, a third pipeline 11, a blind plate 12, a third valve 13, a medium pressure boiler feed water pump 14, a fourth pipeline 15, a liquid level sensor 16 and a regulator 17, wherein the high pressure boiler 1 is provided with the first pipeline 2, the two sides of the sealing water heat exchanger 4 are provided with the second pipeline 3 communicated with the first pipeline 2, the second pipelines 3 at the two sides of the sealing water heat exchanger 4 are provided with the first valve 5, the first pipeline 2 is provided with the second valve 6 at the middle position of the two ends communicated with the second pipeline 3, the other end of the first pipeline 2 is communicated with the first reservoir 7, a second reservoir 8 is arranged on one side of the first reservoir 7, the bottom plate height of the second reservoir 8 is greater than that of the first reservoir 7, the second reservoir 8 can convey the sealing water inside to the first reservoir 7 through a communicating pipe 9 under the action of gravity, so as to ensure the supply of the sealing water of the pump, the bottom of the second reservoir 8 is provided with a communicating pipe 9 communicated with the first reservoir 7, an electric control valve 10 is arranged on the communicating pipe 9, liquid level sensors 16 are arranged in the first reservoir 7 and the second reservoir 8, both the liquid level sensors 16 and the electric control valve 10 are connected with an adjuster 17, the adjuster 17 is electrically connected with the liquid level sensors 16 and the electric control valve 10 in parallel, the adjuster 17 can adjust the water storage amount inside the first reservoir 7 according to the data measured by the liquid level sensors 16, so as to ensure the normal supply of the sealing water in the

first reservoir

7, 8 upper portions of second cistern are linked together with third pipeline 11, install blind plate 12 on the third pipeline 11, third valve 13 is installed in blind plate 12 both sides to third pipeline 11, blind plate 12 can block up third pipeline 11, prevent the leakage, third pipeline 11 one end is linked together with the middling pressure boiler, and install middling pressure boiler feed pump 14, give water as reserve sealing water through the middling pressure boiler, can be when the unable normal use of original sealing water, put into use, fourth pipeline 15 is installed to 7 bottoms of first cistern.

The whole sealing water conveying structure of the gasifier pump is reasonable in structural design, sealing water is normally supplied by adopting the high-pressure boiler 1, the first reservoir 7 prestores and transfers the sealing water provided by the high-pressure boiler 1, the water level sensor 16 detects the amount of the internal water stored, when the high-pressure boiler 1 and the sealing water heat exchanger 4 need to be overhauled, water supply to the first reservoir 7 is stopped, the regulator 17 receives a signal of the liquid level sensor 16 in the first reservoir 7, when the signal is lower than a limit value, the sealing water provided by the medium-pressure boiler can be used by the medium-pressure boiler feed pump 14 and is stored in the second reservoir 8, the regulator 17 opens the electric control valve 10 on the communicating pipe 9, so that the water in the second reservoir 8 is supplied to the first reservoir 7, and when the high-pressure boiler pressure reduction sealing water heat exchanger or the high-pressure boiler feed pump has problems and needs to be overhauled, can normally carry out sealed water supply to the pump to guarantee the normal equipment operation of production.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sealed water transport structure of gasifier pump, includes high pressure boiler (1) and sealed water heat exchanger (4), install first pipeline (2) on high pressure boiler (1), sealed water heat exchanger (4) both sides are equipped with second pipeline (3) that are linked together with first pipeline (2), its characterized in that: all install first valve (5) on second pipeline (3) of sealed water heat exchanger (4) both sides, second valve (6) are installed at the both ends intermediate position that is linked together with second pipeline (3) in first pipeline (2), first pipeline (2) other end is linked together with first cistern (7), first cistern (7) one side is provided with second cistern (8), second cistern (8) are equipped with communicating pipe (9) that are linked together with first cistern (7) in the bottom, install automatically controlled valve (10) on communicating pipe (9), level sensor (16) all are installed in first cistern (7) and second cistern (8), second cistern (8) upper portion is linked together with third pipeline (11), fourth pipeline (15) are installed to first cistern (7) bottom.

2. A gasifier pump seal water delivery structure as claimed in claim 1, wherein: the height of the bottom plate of the second reservoir (8) is greater than that of the bottom plate of the first reservoir (7).

3. A gasifier pump seal water delivery structure as claimed in claim 1, wherein: the third pipeline (11) is provided with a blind plate (12), and the third pipeline (11) is provided with third valves (13) on two sides of the blind plate (12).

4. A gasifier pump seal water delivery structure as claimed in claim 1, wherein: one end of the third pipeline (11) is communicated with the medium-pressure boiler and is provided with a medium-pressure boiler feed pump (14).

5. A gasifier pump seal water delivery structure as claimed in claim 1, wherein: the liquid level sensor (16) and the electric control valve (10) are both connected with the regulator (17), and the regulator (17), the liquid level sensor (16) and the electric control valve (10) are electrically connected in parallel.