CN218973301U

CN218973301U - Built-in spray type heating network heater

Info

Publication number: CN218973301U
Application number: CN202223525096.2U
Authority: CN
Inventors: 陈秀娟; 薛现义
Original assignee: Jinan Yuehua Energy Saving Equipment Co ltd
Current assignee: Jinan Yuehua Energy Saving Equipment Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-05
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of heating network heaters, and discloses a built-in spray type heating network heater which comprises a front end pipe box, wherein a connecting pipe is arranged at one end of the front end pipe box through a flange, a shell is welded at one end of the connecting pipe, a condensate outlet pipe is welded at the center of the bottom of the shell, a rear end pipe is welded at one end of the shell, a steam protection pipe is welded at the top of the shell, a spray type steam pipe is welded inside the steam protection pipe, the spray type steam pipe comprises an air inlet pipe, a radiating plate is welded at one end of the air inlet pipe, and an arc-shaped diffusion plate is welded at one end of the radiating plate. The built-in spray type heat supply network heater structurally solves the problems that the heat load of a heating system is insufficient due to uneven steam and the heat exchange tube is broken due to direct flushing of the heat exchange tube by the steam, so that the heat supply network heater is stopped and the like, and the heat exchange efficiency and the service life of the heat exchanger are improved.

Description

Built-in spray type heating network heater

Technical Field

The utility model relates to the technical field of heating network heaters, in particular to a built-in spray type heating network heater.

Background

With the increase of new power plants and the increasing demand of central heating, the application of the heat supply network heater is wider and wider, and the heat supply network heater is an indispensable medium-sized device no matter in the power plant cogeneration engineering or the starting of the steam-water heat exchange project of a heat supply company.

In the present stage, along with the continuous development and progress of society, the appearance of a heat supply network heater is made to be bigger and bigger, a steam inlet is also made to be bigger and bigger along with the enlargement of the heat supply network heater, and meanwhile, the steam inlet is bigger and bigger, and the phenomena of stress concentration, stress corrosion, relative concentration of steam impact and the like are accompanied at the steam inlet, so that the heat supply network can often generate the leakage problem, and the fact that the heat exchanger is disassembled in practice finds that the leakage point is mostly that the heat exchange pipe at the steam inlet breaks so that circulating water enters the shell side from the pipe side, so that the water level of the heat supply network heater is abnormal, the heat exchange effect of the heat supply network heater is not ideal, and the circulating water loss is serious.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the built-in spray type heating network heater, which can enable steam to be more uniformly diffused, uniformly exchange heat at each part of the heating network and be in full contact with a heat exchange tube, and the steam is subjected to energy dissipation after being uniformly sprayed out through the arc-shaped diffusion plate, so that the erosion of the steam to the heat exchange tube is reduced, and the problems of stress concentration, stress corrosion, relative concentration of steam impact and the like are solved.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an built-in spray type heating network heater, includes front end pipe case, the one end of front end pipe case has the connecting pipe through flange mount, the one end welding of connecting pipe has the casing, the center department welding of casing bottom has the water outlet pipe that congeals, the one end welding of casing has the rear end pipe, the top welding of casing has the steam protection pipe, the inside welding of steam protection pipe has the spray type steam pipe, the spray type steam pipe includes the intake pipe, the one end welding of intake pipe has the scatter plate, the one end welding of scatter plate has the arc diffuser plate, the bar groove has been seted up to the inboard of arc diffuser plate, the surface welding of bar groove has the spraying otter board.

Optionally, the quantity of atomizing steam pipe is four, four atomizing steam pipe is the welding of well font and steam pipe protection intraductal through the backup pad.

Optionally, the arc diffuser plate is positive and negative alternately, and the bottom of arc diffuser plate is fixed with the inside wall of casing through the support on.

Optionally, the pore diameter of the spray screen plate is six millimeters.

Optionally, the bottom of casing welds there is the supporting seat, the quantity of supporting seat is four.

Optionally, the shape of the scattered pressure plate is trapezoid with narrow upper part and wide lower part.

Optionally, the bottom of the inner side of the shell is an inclined plane with high ends and low middle.

The utility model provides a built-in spray type heating network heater, which has the following beneficial effects: the built-in spray type heat supply network heater structurally solves the problems that the heat load of a heat supply system is insufficient due to uneven steam and the heat exchange tube is broken due to direct flushing of the heat exchange tube by the steam, so that the heat supply network heater is stopped and the like, and the heat exchange efficiency and the service life of the heat exchanger are improved;

the device passes through the atomizing steam pipe on the casing for steam passes through the cooperation setting between relief pressure plate, arc diffuser plate and the spraying otter board, makes the more even diffusion of steam, and at every position of heat supply network evenly exchanges heat, with the more abundant contact of heat exchange tube, and the steam carries out the energy dissipation after passing through the even blowout of arc diffuser plate, has reduced the erosion of steam to the heat exchange tube, has solved stress concentration, stress corrosion, the problem that steam impact is concentrated relatively.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a housing of the present utility model;

FIG. 3 is a schematic view of a spray steam tube according to the present utility model;

fig. 4 is an enlarged schematic view of fig. 3 a according to the present utility model.

In the figure: 1. a front end pipe box; 2. a connecting pipe; 3. a housing; 4. a steam protection tube; 5. a condensate outlet pipe; 6. a rear end tube; 7. a spray-type steam pipe; 701. an air inlet pipe; 702. a pressure-relief plate; 703. an arc-shaped diffusion plate; 704. a spray screen; 8. and a supporting seat.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a built-in spray type heating network heater, including front end pipe box 1, the one end of front end pipe box 1 is through flange mounting connecting pipe 2, the one end welding of connecting pipe 2 has casing 3, casing 3 inboard bottom is the inclined plane of both ends height, the bottom welding of casing 3 has supporting seat 8, the quantity of supporting seat 8 is four, support casing 3 through supporting seat 8, the center department welding of casing 3 bottom has condensation water outlet pipe 5, the one end welding of casing 3 has rear end pipe 6, the top welding of casing 3 has steam protection pipe 4, the inside welding of steam protection pipe 4 has spray type steam pipe 7, the quantity of spray type steam pipe 7 is four, four spray type steam pipe 7 are in groined type welding and the steam pipe protection pipe 4 through the backup pad, spray type steam pipe 7 includes intake pipe 701, the one end welding of intake pipe 701 has the scatter plate 702, the shape of the radiating plate 702 is trapezoid with narrow upper part and wide lower part, one end of the radiating plate 702 is welded with an arc-shaped diffusion plate 703, the arc-shaped diffusion plate 703 is in positive and negative alternate arrangement, the bottom of the arc-shaped diffusion plate 703 is fixed on the inner side wall of the shell 3 through a bracket, a strip-shaped groove is formed in the inner side of the arc-shaped diffusion plate 703, a spray screen 704 is welded on the surface of the strip-shaped groove, the aperture of the spray screen 704 is six millimeters, when steam enters the shell 3, the steam is split into four parts through a spray steam pipe 7, then the steam pressure is buffered through the radiating plate 702, then the steam is more uniformly diffused through the spray screen 704 on the arc-shaped diffusion plate 703, heat is uniformly exchanged at each part of a heat supply network, the steam is in more sufficient contact with a heat exchange pipe, and the steam is energy dissipation after being uniformly sprayed out through the arc-shaped diffusion plate, so that the erosion of the heat exchange pipe by the steam is reduced, the stress concentration is solved, stress corrosion and relatively concentrated steam impact.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

In the description of the present specification, the terms "connected," "mounted," "fixed," "disposed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or an indirect connection via an intermediate assembly without affecting the relationship of components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, and as will be apparent to those skilled in the art, the specific meaning of the terms in the present utility model or the utility model may be understood in the specific case.

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims

1. The utility model provides an embedded spray type heating network heater, includes front end pipe case (1), flange mounting has connecting pipe (2) are passed through to the one end of front end pipe case (1), the one end welding of connecting pipe (2) has casing (3), the center department welding of casing (3) bottom has congeal water outlet pipe (5), the one end welding of casing (3) has rear end pipe (6), its characterized in that: the steam protection pipe (4) is welded at the top of casing (3), the inside welding of steam protection pipe (4) has spray type steam pipe (7), spray type steam pipe (7) are including intake pipe (701), the one end welding of intake pipe (701) has scattered clamp plate (702), the one end welding of scattered clamp plate (702) has arc diffuser plate (703), the bar groove has been seted up to the inboard of arc diffuser plate (703), the surface welding of bar groove has spray net board (704).

2. A built-in spray type heat supply network heater as claimed in claim 1, wherein: the number of the spray type steam pipes (7) is four, and the four spray type steam pipes (7) are welded with the steam protection pipe (4) in a groined shape through the supporting plate.

3. A built-in spray type heat supply network heater as claimed in claim 1, wherein: the arc diffusion plates (703) are arranged in a positive and negative alternate mode, and the bottoms of the arc diffusion plates (703) are fixed on the inner side wall of the shell (3) through the support.

4. A built-in spray type heat supply network heater as claimed in claim 1, wherein: the pore diameter of the spray screen (704) is six millimeters.

5. A built-in spray type heat supply network heater as claimed in claim 1, wherein: the bottom of casing (3) is welded with supporting seat (8), the quantity of supporting seat (8) is four.

6. A built-in spray type heat supply network heater as claimed in claim 1, wherein: the shape of the scattered pressure plate (702) is trapezoid with narrow upper part and wide lower part.

7. A built-in spray type heat supply network heater as claimed in claim 1, wherein: the bottom of the inner side of the shell (3) is an inclined plane with high ends and low middle.