CN213810572U

CN213810572U - High-pressure heater protection device

Info

Publication number: CN213810572U
Application number: CN202022563883.0U
Authority: CN
Inventors: 王京军; 付京涛; 崔俊丽; 迟加磊; 孙文龙; 傅晓龙
Original assignee: Panshi Heavy Industry Qingdao Co ltd
Current assignee: Panshi Heavy Industry Qingdao Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-27
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to a protection device technical field specifically is a high pressure feed water heater protection device, including the high pressure feed water heater lateral wall, the outside level of high pressure feed water heater lateral wall is equipped with the support diaphragm, the surface of support diaphragm and the position that is close to the lower right corner is vertical to be equipped with hollow post, the outer wall of hollow post and the position that is located the middle part are equipped with heater inlet tube and back flow, the outer wall of hollow post and the position that is located the bottom are equipped with the bypass inlet tube, the surface of support diaphragm and the position that is close to the upper left corner are equipped with the self priming pump, the inboard of high pressure feed water heater lateral wall is equipped with the mounting panel, the side-mounting of mounting panel has level sensor. This high pressure feed water heater protection device through the water level in the water level sensor in time detects the heater, can in time take the water of high water level out through the self priming pump to make the water of taking out get into the water injection pipe, along with feedwater gets into the bypass inlet tube together, thereby guarantee not have the risk of high water level in the heater, effectively protect high pressure feed water heater.

Description

High-pressure heater protection device

Technical Field

The utility model relates to a protection device technical field specifically is a high pressure feed water heater protection device.

Background

The high-pressure heater is a device for heating water supply by utilizing partial air extraction of a steam turbine, when the high-pressure heater operates, because the pressure of a water side is much higher than that of a steam side, once a pipe of the high-pressure heater is broken, the high-pressure water supply can rapidly enter the steam side of the heater and even enter the steam turbine through a steam extraction pipeline to cause water impact accidents, therefore, the high-pressure heater is provided with a set of high-water-level automatic protection device, but most of the existing high-water-level automatic protection devices only cut off the water supply entering the high-pressure heater to bypass the water supply, the water entering the heater cannot be extracted in time, and the risk of high water level still exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure feed water heater protection device to propose among the current high water level automatic safety device most only cut off the feedwater that gets into high pressure feed water heater among the above-mentioned background art of solution, make the feedwater walk the bypass, can not in time take out the water that gets into in the heater, still have the problem of high water level risk.

In order to achieve the above object, the utility model provides a following technical scheme:

a high pressure heater protection device comprises a high pressure heater side wall, wherein a supporting transverse plate is horizontally arranged on the outer side of the high pressure heater side wall, a hollow column is vertically arranged on the surface of the supporting transverse plate and close to the lower right corner, a water injection pipe is arranged on the outer wall of the hollow column and close to the top, a heater water inlet pipe and a return pipe are arranged on the outer wall of the hollow column and located at the middle part, a first pneumatic valve is connected to the end part of the heater water inlet pipe, a first connecting pipe is connected to the other end of the first pneumatic valve, a third pneumatic valve is connected to the end part of the return pipe, a third connecting pipe is connected to the other end of the third pneumatic valve, a bypass water inlet pipe is arranged on the outer wall of the hollow column and located at the bottom part of the outer wall of the hollow column, a second pneumatic valve is connected to the end part of the bypass water inlet pipe, and a second connecting pipe is connected to the other end of the second pneumatic valve, the surface of support diaphragm and the position that is close to the upper left corner are equipped with the self priming pump, the exhaust end of self priming pump with the third connecting pipe is connected, the suction end of self priming pump is connected with the drinking-water pipe, the surface of support diaphragm and the position that is close to the upper right corner are equipped with the mounting box, be equipped with the singlechip in the mounting box, the inboard of high pressure feed water heater lateral wall is equipped with the mounting panel, the side-mounting of mounting panel has level sensor.

Preferably, the end of the first connecting pipe passes through the outside of the high-pressure heater side wall into the high-pressure heater.

Preferably, the end of the water pumping pipe passes through the outer side of the side wall of the high-pressure heater to the inside of the high-pressure heater, and the bottom of the end of the water pumping pipe and the bottom of the end of the first connecting pipe are located on the same plane.

Preferably, the water level sensor is vertically arranged, and the sensing end of the water level sensor and the bottom of the end part of the water pumping pipe are positioned on the same plane.

Preferably, the first pneumatic valve, the second pneumatic valve and the third pneumatic valve are all electrically connected with the single chip microcomputer through conducting wires.

Preferably, the controller of the self-priming pump and the water level sensor are both electrically connected with the single chip microcomputer through leads.

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

this high pressure feed water heater protection device through the water level in the water level sensor in time detects the heater, can in time take the water of high water level out through the self priming pump to make the water of taking out get into the water injection pipe, along with feedwater gets into the bypass inlet tube together, thereby guarantee not have the risk of high water level in the heater, effectively protect high pressure feed water heater.

Drawings

Fig. 1 is a schematic view of an overall first viewing angle structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the overall second viewing angle structure of the present invention.

In the figure: high pressure heater lateral wall 1, support diaphragm 2, hollow post 3, water injection pipe 30, heater inlet tube 31, first pneumatic valve 310, bypass inlet tube 32, second pneumatic valve 320, back flow 33, third pneumatic valve 330, first connecting pipe 4, second connecting pipe 5, third connecting pipe 6, self priming pump 7, drinking-water pipe 70, mounting panel 8, level sensor 9, mounting box 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a high-pressure heater protection device comprises a high-pressure heater side wall 1, a supporting transverse plate 2 is horizontally arranged on the outer side of the high-pressure heater side wall 1 and used for installing an hollow column 3, a self-priming pump 7 and a mounting box 10, the hollow column 3 is vertically arranged on the surface of the supporting transverse plate 2 and close to the lower right corner, a water injection pipe 30 is arranged on the outer wall of the hollow column 3 and close to the top, the water injection pipe 30 is connected with an external water supply device, a heater water inlet pipe 31 and a return pipe 33 are arranged on the outer wall of the hollow column 3 and located at the middle part, the end part of the heater water inlet pipe 31 is connected with a first pneumatic valve 310, the other end of the first pneumatic valve 310 is connected with a first connecting pipe 4, the end part of the return pipe 33 is connected with a third pneumatic valve 330, the other end of the third pneumatic valve 330 is connected with a third connecting pipe 6, a bypass water inlet pipe 32 is arranged on the outer wall of the hollow column 3 and located at the bottom part, so that water can be discharged from the bypass water inlet pipe 32 in time, end connection of bypass inlet tube 32 has second pneumatic valve 320, the other end of second pneumatic valve 320 is connected with second connecting pipe 5, the surface that supports diaphragm 2 and the position that is close to the upper left corner is equipped with self priming pump 7, in time take out the water of high water level through self priming pump 7, ensure to eliminate the risk of the inside high water level of high pressure heater, the exhaust end and the third connecting pipe 6 of self priming pump 7 are connected, the suction end of self priming pump 7 is connected with drinking-water pipe 70, the surface that supports diaphragm 2 and the position that is close to the upper right corner is equipped with mounting box 10, be equipped with the singlechip in the mounting box 10, through the first pneumatic valve 310 of singlechip control, the switch of second pneumatic valve 320 and third pneumatic valve 330, the inboard of high pressure heater lateral wall 1 is equipped with mounting panel 8, the side-mounting of mounting panel 8 has water level sensor 9, in time detect the water level in the high pressure heater through water level sensor 9.

In this embodiment, the end of the first connecting pipe 4 passes through the outside of the high pressure heater side wall 1 into the high pressure heater, so that the feed water enters the high pressure heater.

Specifically, the end of the pumping pipe 70 passes through the outside of the sidewall 1 of the high pressure heater to the inside of the high pressure heater, and the bottom of the end of the pumping pipe 70 and the bottom of the end of the first connecting pipe 4 are located on the same plane, so as to ensure that the pumping pipe 70 pumps out water with a high water level.

Further, water level sensor 9 is vertical setting, and water level sensor 9's response end is located the coplanar with the bottom of drinking-water pipe 70 tip, ensures that water level sensor 9 detects is the high water level, avoids self priming pump 7 to take out the water of low water level.

Further, the first pneumatic valve 310, the second pneumatic valve 320 and the third pneumatic valve 330 are electrically connected to a single chip microcomputer through wires, and the single chip microcomputer controls the corresponding pneumatic valves to be turned on or off.

Further, the controller of self priming pump 7 and water level sensor 9 all pass through wire and singlechip electric connection, and water level sensor 9 passes through the electric signal that detects and inputs the singlechip to the singlechip through the wire, handles the back through the singlechip, and control pneumatic valve and self priming pump 7 carry out corresponding work.

It needs to supplement because high pressure feed water heater has the splitting function among the prior art, after the water level reachd dangerous water level, this application technical scheme need wait to open self priming pump 7 again after the completion of splitting work and draw water the function, prevents to take place to interfere with the splitting, and above-mentioned splitting step is prior art, and this application does not relate to and improves it yet, and this section only is used for making things convenient for technical staff in the field to understand as the explanation, and is not used for right the utility model discloses a limit.

The high pressure feed water heater protection device of this embodiment is when using, when water level sensor 9 detects high pressure feed water heater's high water level, water level sensor 9 passes through the wire with the signal of telecommunication that detects and inputs the singlechip, handle the back through the singlechip, the first pneumatic valve 310 of singlechip control is closed, and open second pneumatic valve 320 and third pneumatic valve 330, open self priming pump 7 simultaneously, under self priming pump 7's effect, the water of high water level in the water suction pipe 70 will high pressure feed water heater in time is taken out, and enter into hollow post 3 from back flow 33, the water of backward flow is along with the feedwater is discharged from bypass inlet tube 32 together, thereby ensure the safe water level in the high pressure feed water heater, effectively prevent the risk of high water level in the high pressure feed water heater.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high pressure feed water heater protection device, includes high pressure feed water heater lateral wall (1), the outside level of high pressure feed water heater lateral wall (1) is equipped with support diaphragm (2), its characterized in that: the utility model discloses a solar water heater, including support diaphragm (2), the surface of just being close to the position of lower right corner of support diaphragm (2) is vertical to be equipped with hollow post (3), the outer wall of hollow post (3) and the position of being close to the top are equipped with water injection pipe (30), the outer wall of hollow post (3) and the position that is located the middle part are equipped with heater inlet tube (31) and back flow (33), the end connection of heater inlet tube (31) has first pneumatic valve (310), the other end of first pneumatic valve (310) is connected with first connecting pipe (4), the end connection of back flow (33) has third pneumatic valve (330), the other end of third pneumatic valve (330) is connected with third connecting pipe (6), the outer wall of hollow post (3) and the position that is located the bottom are equipped with bypass inlet tube (32), the end connection of bypass inlet tube (32) has second pneumatic valve (320), the other end of second pneumatic valve (320) is connected with second connecting pipe (5), support the surface of diaphragm (2) and be close to the position in the upper left corner and be equipped with self priming pump (7), the exhaust end of self priming pump (7) with third connecting pipe (6) are connected, the suction end of self priming pump (7) is connected with drinking-water pipe (70), the surface of support diaphragm (2) and the position that is close to the upper right corner are equipped with mounting box (10), be equipped with the singlechip in mounting box (10), the inboard of high pressure heater lateral wall (1) is equipped with mounting panel (8), the side-mounting of mounting panel (8) has level sensor (9).

2. The high pressure heater protection device of claim 1, wherein: the end part of the first connecting pipe (4) penetrates through the outer side of the high-pressure heater side wall (1) to the inside of the high-pressure heater.

3. The high pressure heater protection device of claim 1, wherein: the end of the water pumping pipe (70) penetrates through the outer side of the side wall (1) of the high-pressure heater to the inside of the high-pressure heater, and the bottom of the end of the water pumping pipe (70) and the bottom of the end of the first connecting pipe (4) are located on the same plane.

4. The high pressure heater protection device of claim 1, wherein: the water level sensor (9) is vertically arranged, and the sensing end of the water level sensor (9) and the bottom of the end part of the water pumping pipe (70) are located on the same plane.

5. The high pressure heater protection device of claim 1, wherein: the first pneumatic valve (310), the second pneumatic valve (320) and the third pneumatic valve (330) are electrically connected with the single chip microcomputer through conducting wires.

6. The high pressure heater protection device of claim 1, wherein: and the controller of the self-sucking pump (7) and the water level sensor (9) are electrically connected with the singlechip through leads.