CN218510851U

CN218510851U - Heating device for improve backup steam source reliability of thermal power plant's bearing seal

Info

Publication number: CN218510851U
Application number: CN202221567517.5U
Authority: CN
Inventors: 刘荣武; 马东森; 王斌; 邢江涛; 刘京虎
Original assignee: Huaneng Weihai Power Generation Co Ltd
Current assignee: Huaneng Weihai Power Generation Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-02-21
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses an improve heating device of reserve vapour source reliability of thermal power plant bearing seal, including reserve vapour source module, the on-line screen storage device comprises a base, the reserve vapour source case of setting on base upper surface right side, the setting is at the inside heat preservation of reserve vapour source case lateral wall, set up at the left mount pad in reserve vapour source incasement top and set up surface heating rod under the mount pad, and circulation mechanism, including setting up at the left holding water box of base upper surface, set up the water pump on holding water box upper surface right side and set up the inside spiral pipe at reserve vapour source case lateral wall, in reserve vapour source case working process, make the inside of spiral pipe is irritated cold water or warm water to water pump work, can heat the water in the spiral pipe through the temperature in the reserve vapour source case lateral wall, thereby can absorb the inside temperature of reserve vapour source incasement portion and utilize, after reserve vapour source case heating is accomplished, irritate the inside of spiral pipe with hot water through the water pump, can keep warm to reserve vapour source case.

Description

Heating device for improve backup steam source reliability of thermal power plant's bearing seal

Technical Field

The utility model belongs to the technical field of heating device technique and specifically relates to an improve heating device of reserve vapour source reliability of thermal power plant's bearing seal.

Background

The standby steam source is high-pressure steam used for maintaining the lowest steam pressure in the low-pressure steam system, the high-pressure steam conveying pipeline is usually sealed through a shaft seal in the using process of the standby steam source, the high-pressure steam in the current market is usually stored through a standby steam source box in the using process, and the steam source is heated through a heating device, so that the steam source is convenient to use.

Reserve vapour source on the market needs to make the inside corresponding temperature that keeps of air supply box when using at present, so that the use in follow-up reserve vapour source, the inside heat of reserve vapour source incasement portion transmits to the external world through the box, lead to the inside thermal utilization ratio decline of reserve vapour source incasement portion, and make the long-time work of heating rod mostly when keeping warm to reserve vapour source case, the consumption that leads to reserve vapour source case during operation increases, we propose the heating device who improves the reserve vapour source reliability of thermal power plant for this reason.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract of the specification and the title of the application may be somewhat simplified or omitted to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplification or omission may not be used to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the prior art.

Therefore, the utility model aims to solve the technical problem that the inside heat of reserve vapour source incasement portion transmits the external world through the box, leads to the inside thermal utilization ratio decline of reserve vapour source incasement portion.

In order to solve the technical problem, the utility model provides a following technical scheme: a heating device for improving the reliability of a spare steam source of a shaft seal of a thermal power plant comprises a spare steam source module, a spare steam source box, a heat insulation layer, a mounting seat and a heating rod, wherein the spare steam source box is arranged on the right side of the upper surface of a base; an installation mechanism is arranged on the upper surface of the installation seat; the circulating mechanism comprises a heat-preservation water tank arranged on the left side of the upper surface of the base, a water pump arranged on the right side of the upper surface of the heat-preservation water tank, a three-way valve arranged in the middle of the left side wall of the heat-preservation water tank and a spiral pipe arranged inside the side wall of the standby steam source box; the top and the bottom in the heat preservation water tank are respectively provided with a cold water cavity and a hot water cavity.

As an improve heating device's of backup vapour source reliability of thermal power plant's bearing seal preferred scheme, wherein: the edge of mount pad lower surface is equipped with the telescopic link, just the telescopic link is that circumference permutation distributes and is equipped with threely, and is three bottom between the telescopic link is equipped with the spacing ring, just the spacing ring cover is established the bottom of heating rod surface.

As an improve heating device's of backup vapour source reliability of thermal power plant's bearing seal preferred scheme, wherein: the top of the front surface of the standby steam source box is provided with a control panel, the control panel is electrically connected with the heating rod and the water pump, the middle of the upper surface of the standby steam source box is provided with a communicating pipe, and a sealing valve is arranged inside the communicating pipe.

As an improve heating device's of backup vapour source reliability of thermal power plant's bearing seal preferred scheme, wherein: the left side wall and the right side wall of the water pump are respectively provided with a water suction pipe and a water outlet pipe, one end, far away from the water pump, of the water outlet pipe penetrates through the top of the left side wall of the standby steam source box and is communicated with the spiral pipe, and one end, far away from the water pump, of the water suction pipe is arranged on the upper surface of the three-way valve.

As an improve heating device's of backup vapour source reliability of thermal power plant's bearing seal preferred scheme, wherein: the lower extreme of spiral pipe is provided with the drain pipe, just the drain pipe is kept away from the one end of spiral pipe is run through the bottom of reserve vapour source case left side wall and is extended to the outside of reserve vapour source case, the drain pipe is kept away from the one end of spiral pipe is run through the middle part of holding water box right side wall and is extended to the top in the hot water intracavity.

As an improve heating device's of backup vapour source reliability of thermal power plant's bearing seal preferred scheme, wherein: the middle part of holding water box upper surface is provided with the water injection pipe, just the top cover of water injection pipe is equipped with sealed lid, holding water box's positive surface is provided with the observation window, just the observation window is equipped with two.

As an improve the heating device of the reserve vapour source reliability of thermal power plant's bearing seal an preferred scheme, wherein: the right side wall and the lower surface of three-way valve all are provided with the inlet tube, and two the inlet tube is kept away from the one end of three-way valve is run through holding water tank's left side wall extends to the bottom in cold water chamber and the hot water intracavity respectively.

As an improve the heating device of the reserve vapour source reliability of thermal power plant's bearing seal an preferred scheme, wherein: installation mechanism includes the mounting panel, just the mounting panel sets up the upper surface of mount pad, the inside left side of mounting panel and right side all are provided with the joint spring, two the one end that the joint spring was kept away from each other all is provided with the joint piece, two the joint piece is kept away from the one end of joint spring runs through the surface of mounting panel extends to the outside of mounting panel.

As an improve heating device's of backup vapour source reliability of thermal power plant's bearing seal preferred scheme, wherein: the upper surface of reserve vapour source case is provided with the installation piece, just the installation piece is equipped with two and is located respectively the left side and the right side of mounting panel, two the installation piece is close to the joint groove has all been seted up on the surface of mounting panel, two the joint piece is located two respectively the inside in joint groove.

As an improve heating device's of backup vapour source reliability of thermal power plant's bearing seal preferred scheme, wherein: the upper surface of mounting panel is provided with the handle, bottom swing joint in the handle has the pull rod, the joint piece is close to the surface of joint spring all is provided with connects the rope, and two it keeps away from to connect the rope the one end of joint piece sets up respectively the left side and the right side of pull rod lower surface.

The utility model has the advantages that:

1. in reserve vapour source case course of operation, make the inside of spiral pipe is irritated cold water or warm water to water pump work, can heat the water in the spiral pipe through the temperature in the reserve vapour source case lateral wall, thereby can absorb the utilization to the inside temperature of reserve vapour source case, improve the inside thermal utilization ratio of reserve vapour source case, after reserve vapour source case heating is accomplished, irritate the inside of spiral pipe with hot water through the water pump, can keep warm to reserve vapour source case, reduce the consumption of reserve vapour source case in the course of operation.

2. Install the heating rod through the clamping mechanism who sets up, hold the handle, connect the rope through the connecting rod cooperation and can drive the joint piece and remove, shift out the joint piece from the inside of installation piece, the contact is to the installation of heating rod, and the staff of being convenient for carries out dismouting and maintenance to the heating rod.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic structural view of the mounting base of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of part A of the mounting mechanism of the present invention;

FIG. 4 is a schematic structural view of the present invention;

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 2 and 4, the embodiment provides a heating device for improving reliability of a backup steam source of a shaft seal of a thermal power plant, which includes a backup steam source module 100, including a base 101, a backup steam source box 102 disposed on the right side of the upper surface of the base 101, an insulating layer 103 disposed inside the sidewall of the backup steam source box 102, a mounting seat 104 disposed on the left side of the top inside the backup steam source box 102, and a heating rod 105 disposed on the lower surface of the mounting seat 104, wherein the heating rod 105 is mounted inside the backup steam source box 102 through the mounting seat 104, and the heating rod 105 is electrically connected with an external power supply, so that the heating rod 105 works to heat the inside of the backup steam source box 102; the upper surface of mount pad 104 is equipped with installation mechanism 300, the edge of mount pad 104 lower surface is equipped with telescopic link 106, and telescopic link 106 is that the circumference permutation distributes and is equipped with threely, bottom between the three telescopic link 106 is equipped with spacing ring 107, and spacing ring 107 cover is established in the bottom of heating rod 105 surface, 106 cooperation spacing rings 107 through the telescopic link that sets up restrict heating rod 105's bottom, can increase heating rod 105's stability, in heating rod 105 dismouting in-process, can protect heating rod 105 through telescopic link 106, avoid heating rod 105 to collide and cause the damage, the top on reserve vapour source case 102 positive surface is provided with control panel, and control panel and heating rod 105 and water pump 202 electric connection, the middle part of reserve vapour source case 102 upper surface is provided with communicating pipe 108, and the inside of communicating pipe 108 is equipped with the seal valve.

Example 2

Referring to fig. 2 and 4, the embodiment provides a heating device for improving reliability of a backup steam source of a shaft seal of a thermal power plant, which includes a circulating mechanism 200, including a heat-preservation water tank 201 arranged on the left side of the upper surface of a base 101, a water pump 202 arranged on the right side of the upper surface of the heat-preservation water tank 201, a three-way valve 205 arranged in the middle of the left side wall of the heat-preservation water tank 201, and a spiral pipe 203 arranged inside the side wall of a backup steam source tank 102; a cold water cavity and a hot water cavity are respectively arranged at the top and the bottom in the heat preservation water tank 201, a water suction pipe 204 and a water outlet pipe are respectively arranged on the left side wall and the right side wall of the water pump 202, one end of the water outlet pipe far away from the water pump 202 penetrates through the top of the left side wall of the standby steam source tank 102 and is communicated with the spiral pipe 203, one end of the water suction pipe 204 far away from the water pump 202 is arranged on the upper surface of the three-way valve 205, a drain pipe 207 is arranged at the lower end of the spiral pipe 203, one end of the drain pipe 207 far away from the spiral pipe 203 penetrates through the bottom of the left side wall of the standby steam source tank 102 and extends to the outer side of the standby steam source tank 102, one end of the drain pipe 207 far away from the spiral pipe 203 penetrates through the middle of the right side wall of the heat preservation water tank 201 and extends to the top in the hot water cavity, a water injection pipe is arranged in the middle of the upper surface of the heat preservation water tank 201, and a sealing cover is arranged at the top of the water injection pipe, the positive surface of holding water box 201 is provided with the observation window, and the observation window is equipped with two, the right side wall and the lower surface of three-way valve 205 all are provided with inlet tube 206, and the left side wall that the one end that two inlet tubes 206 kept away from three-way valve 205 runs through holding water box 201 extends to the bottom in cold water chamber and the hot water chamber respectively, with water pump 202 and external power supply electric connection, make water pump 202 work, can pour cold water or hot water into the inside of spiral pipe 203 through pipe 204 that absorbs water cooperation three-way valve 205 and inlet tube 206, can absorb the heat in reserve vapour source case 102 through cold water, to the inside heat cycle use of reserve vapour source case 102, can keep warm to reserve vapour source case 102 through hot water, reduce the consumption of reserve vapour source case 102 in the heat preservation process, the practicality of the device is improved.

Example 3

Referring to fig. 1-4, this embodiment provides a heating device for improving reliability of a backup steam source of a shaft seal of a thermal power plant, including installation mechanism 300, including mounting plate 301, and mounting plate 301 sets up the upper surface at mount pad 104, the inside left side and the right side of mounting plate 301 all are provided with joint spring 302, the one end that two joint springs 302 kept away from each other all is provided with joint block 303, the one end that two joint blocks 303 kept away from joint spring 302 runs through the surface of mounting plate 301 and extends to the outside of mounting plate 301, the upper surface of backup steam source case 102 is provided with mounting block 304, and mounting block 304 is equipped with two left sides and right sides that are located mounting plate 301 respectively, joint groove 305 has all been seted up to the surface that two mounting blocks 304 are close to mounting plate 301, two joint blocks 303 are located the inside two joint grooves 305 respectively, can drive joint block 303 to move through the elasticity of joint spring 302, insert joint block 303 to the inside of joint groove 305, cooperate mounting plate 301 and mounting block 304 to install mount pad 104 and heating rod 105, the upper surface of mounting plate 301 is provided with handle 306, the bottom swing joint block 307 is connected with pull rod 308, thereby the pull rod 308 that the pull handle rope is provided with the pull rod 308 and the pull handle is convenient for the pull and remove the pull rod.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an improve heating device of reserve vapour source reliability of thermal power plant's bearing seal which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the standby steam source module (100) comprises a base (101), a standby steam source box (102) arranged on the right side of the upper surface of the base (101), an insulating layer (103) arranged inside the side wall of the standby steam source box (102), a mounting seat (104) arranged on the left side of the top in the standby steam source box (102) and a heating rod (105) arranged on the lower surface of the mounting seat (104); an installation mechanism (300) is arranged on the upper surface of the installation seat (104); and the number of the first and second groups,

the circulating mechanism (200) comprises a heat-preservation water tank (201) arranged on the left side of the upper surface of the base (101), a water pump (202) arranged on the right side of the upper surface of the heat-preservation water tank (201), a three-way valve (205) arranged in the middle of the left side wall of the heat-preservation water tank (201) and a spiral pipe (203) arranged inside the side wall of the standby steam source box (102); the top and the bottom in the heat preservation water tank (201) are respectively provided with a cold water cavity and a hot water cavity.

2. The heating device for improving the reliability of the backup steam source of the shaft seal of the thermal power plant according to claim 1, characterized in that: the edge of mount pad (104) lower surface is equipped with telescopic link (106), just telescopic link (106) are that circumference permutation distribution is equipped with threely, and is three bottom between telescopic link (106) is equipped with spacing ring (107), just spacing ring (107) cover is established the bottom of heating rod (105) surface.

3. The heating device for improving the reliability of the backup steam source of the shaft seal of the thermal power plant according to claim 1, characterized in that: the top of the front surface of the standby steam source box (102) is provided with a control panel, the control panel is electrically connected with the heating rod (105) and the water pump (202), the middle of the upper surface of the standby steam source box (102) is provided with a communicating pipe (108), and a sealing valve is arranged inside the communicating pipe (108).

4. The heating device for improving the reliability of the backup steam source of the shaft seal of the thermal power plant according to claim 1, characterized in that: the left side wall and the right side wall of the water pump (202) are respectively provided with a water suction pipe (204) and a water outlet pipe, one end, far away from the water pump (202), of the water outlet pipe penetrates through the top of the left side wall of the standby steam source box (102) and is communicated with the spiral pipe (203), and one end, far away from the water pump (202), of the water suction pipe (204) is arranged on the upper surface of the three-way valve (205).

5. The heating device for improving the reliability of the steam source for the shaft seal of the thermal power plant according to claim 1, wherein: the lower extreme of spiral pipe (203) is provided with drain pipe (207), just drain pipe (207) are kept away from the one end of spiral pipe (203) is run through the bottom of reserve vapour source case (102) left side wall and is extended to the outside of reserve vapour source case (102), drain pipe (207) are kept away from the one end of spiral pipe (203) is run through the middle part of holding water box (201) right side wall and is extended to the top in the hot water intracavity.

6. The heating device for improving the reliability of the steam source for the shaft seal of the thermal power plant according to any one of claims 1 to 5, wherein: the middle part of holding water box (201) upper surface is provided with the water injection pipe, just the top cover of water injection pipe is equipped with sealed lid, the positive surface of holding water box (201) is provided with the observation window, just the observation window is equipped with two.

7. The heating device for improving the reliability of the backup steam source of the shaft seal of the thermal power plant according to claim 1, characterized in that: the right side wall and the lower surface of three-way valve (205) all are provided with inlet tube (206), and two inlet tube (206) are kept away from the one end of three-way valve (205) is run through the left side wall of holding water box (201) extends to the bottom in cold water chamber and the hot water intracavity respectively.

8. The heating device for improving the reliability of the steam source for the shaft seal of the thermal power plant according to any one of claims 1 to 5 and 7, wherein: installation mechanism (300) includes mounting panel (301), just mounting panel (301) set up the upper surface of mount pad (104), the left side and the right side of mounting panel (301) inside all are provided with joint spring (302), two the one end that joint spring (302) kept away from each other all is provided with joint piece (303), two joint piece (303) are kept away from the one end of joint spring (302) is run through the surface of mounting panel (301) and extend to the outside of mounting panel (301).

9. The heating device for improving the reliability of the backup steam source of the shaft seal of the thermal power plant according to claim 8, characterized in that: the upper surface of reserve vapour source case (102) is provided with installation piece (304), just installation piece (304) are equipped with two and are located respectively the left side and the right side of mounting panel (301), two installation piece (304) are close to joint groove (305), two have all been seted up on the surface of mounting panel (301) joint piece (303) are located two respectively the inside in joint groove (305).

10. The heating device for improving the reliability of the steam source for the shaft seal of the thermal power plant according to claim 9, wherein: the upper surface of mounting panel (301) is provided with handle (306), bottom swing joint in handle (306) has pull rod (307), joint piece (303) are close to the surface of joint spring (302) all is provided with connects rope (308), and two connect rope (308) and keep away from the one end of joint piece (303) sets up respectively the left side and the right side of pull rod (307) lower surface.