CN217816677U

CN217816677U - Double-heating steam generator

Info

Publication number: CN217816677U
Application number: CN202222091748.XU
Authority: CN
Inventors: 杨武军; 陈青林; 颜静; 黄双燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-15
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a two heating steam generator, it includes: the first heat exchanger is provided with a heat source inlet, a heat source outlet, a heating inlet and a heating outlet, wherein the heat source inlet is connected with the boiler through a pipeline; the second heat exchanger comprises a main shell and an electric heating device, and the electric heating device is inserted in the main shell; the separation device comprises a hollow separation column and a separation mechanism arranged in the separation column, the top of the separation column is provided with a discharge port, the bottom of the separation column is connected with the top of the main shell, and the bottom of the inner cavity of the separation column is communicated with the top of the inner cavity of the main shell; and the inlet end of the flow guide pipe is connected with the heating outlet, and the outlet end of the flow guide pipe is positioned in the main shell. Through the structure, the steam generator can have two heating modes of industrial steam heating generated by a boiler and electric heating of an electric heating device, the problem of single heating mode is avoided, the redundancy of a system is improved, and the steam generator can continuously run to output steam.

Description

Double-heating steam generator

Technical Field

The utility model relates to a medical steam production technical field, in particular to steam generator.

Background

Medical steam is frequently required to be used in the fields of medical treatment, pharmacy and the like, and in common use, some steam generators use purified water as raw material water and adopt industrial steam as heat source fluid to exchange heat to prepare the medical steam. Wherein, the industrial steam is mainly prepared by heating through a boiler. According to the structure, the operation of the steam generator only depends on industrial steam as heat source fluid to prepare medical steam, the heating mode of the steam generator is single, the system redundancy is insufficient, when industrial steam cannot be produced due to faults of equipment such as a boiler, the preparation of the medical steam can be suspended, and some equipment needing the continuous use of the medical steam cannot work normally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two heating steam generator can solve the single problem of heating methods.

To achieve the above object, there is provided a dual heating steam generator, comprising: the first heat exchanger is provided with a heat source inlet, a heat source outlet, a heating inlet and a heating outlet, wherein the heat source inlet is connected with the boiler through a pipeline; the second heat exchanger comprises a main shell and an electric heating device, and the electric heating device is inserted in the main shell; the separation device comprises a hollow separation column and a separation mechanism arranged in the separation column, the top of the separation column is provided with a discharge port, the bottom of the separation column is connected with the top of the main shell, and the bottom of the inner cavity of the separation column is communicated with the top of the inner cavity of the main shell; and the inlet end of the flow guide pipe is connected with the heating outlet, and the outlet end of the flow guide pipe is positioned in the main shell.

According to a two heating steam generator, first installing port has been seted up to the lateral wall of the main casing body, first installing port department is provided with the installation section of thick bamboo, the one end that the main casing body was kept away from to the installation section of thick bamboo is provided with first flange, electric heating device wears to locate the installation section of thick bamboo and stretches into to the main casing internal, just electric heating device is connected with first flange.

According to the double-heating steam generator, the electric heating device comprises a second flange and an electric heating pipe group inserted on the second flange, the electric heating pipe group penetrates through the mounting cylinder and extends into the main shell, and the second flange is connected with the first flange.

According to the double-heating steam generator, the bottom of the separation column is open, a plurality of perforations which are spaced from each other are arranged at the position, corresponding to the separation column, of the top of the main shell body, and the perforations are used for communicating the top of the inner cavity of the main shell body with the bottom of the inner cavity of the separation column.

According to the double heating steam generator, the diameter of the perforation is 0.5-0.8mm.

According to the double-heating steam generator, the flow guide pipe is inserted into the main shell, and the outlet end of the flow guide pipe extends downwards to a position lower than the through hole.

A dual-heating steam generator according to, the disengagement mechanism comprising: the separation assembly comprises an inner column barrel, an installation body and a flow guide folded plate, wherein the inner column barrel is vertically communicated, the bottom surface of the inner column barrel is connected with the top surface of the main shell, a first flow guide space is formed between the outer side wall of the inner column barrel and the inner side wall of the separation column, the top of at least one through hole is communicated with the first flow guide space, the installation body is positioned on the inner side of the inner column barrel, the flow guide folded plate is spiral and sleeved on the installation body, and the flow guide folded plate is respectively connected with the side wall of the installation body and the inner side wall of the inner column barrel so as to enable the inner column barrel, the installation body and the flow guide folded plate to enclose a spiral second flow guide space; and the dryer is arranged above the first separation assembly.

According to a two heating steam generator, separator assembly still includes roof and breakwater, the roof sets up to be cyclic annular and sets up in the top of inner column section of thick bamboo, and roof and inner column section of thick bamboo coaxial arrangement, the breach has been seted up to the top lateral wall of inner column section of thick bamboo, the cross section of breakwater sets up to be "L" style of calligraphy and is located the inboard of inner column section of thick bamboo, just one side of breakwater is located the inside wall of connecting the inner column section of thick bamboo in the lateral margin department of breach, the longitudinal projection of breakwater and breach all is located the longitudinal projection of roof.

According to the double-heating steam generator, the outer side of the main shell is connected with the liquid level meter.

According to the double-heating steam generator, the flow guide pipe is provided with a valve device.

Has the beneficial effects that: through the structure, the steam generator can have two heating modes of industrial steam heating generated by a boiler and electric heating of an electric heating device, the problem of single heating mode is avoided, the redundancy of a system is improved, and the steam generator can continuously run to output steam.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a second heat exchanger and separation device;

FIG. 3 is an enlarged view of portion A shown in FIG. 2;

FIG. 4 is an exploded cross-sectional view of the second heat exchanger and the separation device;

fig. 5 is an exploded view of the separator assembly.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, a dual heating steam generator includes a first heat exchanger 10, a second heat exchanger 20, a separation device 30 and a draft tube 40, wherein the first heat exchanger 10 has a heat source inlet, a heat source outlet 11, a heating inlet 12 and a heating outlet, the heat source inlet is connected to a boiler through a pipe, the second heat exchanger 20 includes a main housing 21 and an electric heating device 22, the electric heating device 22 is inserted into the main housing 21, the separation device 30 includes a hollow separation column 31 and a separation mechanism disposed in the separation column 31, a discharge port is disposed at the top of the separation column 31, the bottom of the separation column 31 is connected to the top of the main housing 21, the bottom of the inner cavity of the separation column 31 is communicated with the top of the inner cavity of the main housing 21, the inlet of the draft tube 40 is connected to the heating outlet, and the outlet of the draft tube 40 is located in the main housing 21.

The first heat exchanger 10 is a dividing wall type heat exchanger, and purified water is stored in the main housing 21 when the heat exchanger is assembled for use. When the boiler normally works, industrial steam can be generated by the boiler, the industrial steam flows into the first heat exchanger 10 from a heat source inlet and flows out from a heat source outlet 11, purified water is introduced into the first heat exchanger 10 from a heating inlet 12, the purified water is heated in the first heat exchanger 10 to generate medical steam, the medical steam flows into the main shell 21 through the guide pipe 40 and then flows into the separation column 31 through the main shell 21, the medical steam is dried through the separation mechanism, and the dried medical steam is discharged through a discharge port; when the boiler fails and industrial steam cannot be output, the electric heating device 22 is electrified and started, purified water in the main shell 21 is heated by the electric heating device 22 to generate medical steam, the medical steam enters the separation column 31 and is dried by the separation mechanism, and the dried medical steam is discharged through the discharge outlet. Therefore, the steam generator can have two heating modes of industrial steam heating generated by the boiler and electric heating of the electric heating device 22, the problem of single heating mode is avoided, the redundancy of the system is improved, and the steam generator can continuously run to output steam.

The industrial steam heating generated by the boiler can be used as a main heating mode and can generate more medical steam; the electric heating of the electric heating device 22 is used as a backup heating mode for ensuring continuous generation of medical steam in case of boiler failure so as to supply equipment requiring continuous use of medical steam.

In this embodiment, a first mounting opening is formed in an outer side wall of the main housing 21, a mounting cylinder 212 is disposed at the first mounting opening, a first flange 213 is disposed at one end of the mounting cylinder 212 far away from the main housing 21, the electric heating device 22 penetrates through the mounting cylinder 212 and extends into the main housing 21, and the electric heating device 22 is connected to the first flange 213. Specifically, the electric heating device 22 includes a second flange 221 and an electric heating tube assembly 222 inserted into the second flange 221, the electric heating tube assembly 222 is inserted into the mounting tube 212 and extends into the main housing 21, and the second flange 221 is connected to the first flange 213. By this structure, the electric heating device 22 can be connected with the main casing 21, and the electric heating device 22 can be easily detached from the main casing 21.

In the present embodiment, the bottom of the separation column 31 is open, a plurality of through holes 214 are opened at the top of the main housing 21 and corresponding to the separation column 31, the through holes 214 are spaced from each other, and the through holes 214 communicate the top of the inner cavity of the main housing 21 with the bottom of the inner cavity of the separation column 31. The steam flowing into the separation column 31 from the main shell 21 contains more liquefied water, and the liquefied water can be intercepted by arranging the perforation 214, so that the amount of the liquefied water entering the separation column 31 is reduced; the perforations 214 can increase the resistance of the steam flowing out of the main casing 21, increase the pressure in the main casing 21, allow the steam to have a higher temperature, and reduce the liquefied water contained in the steam in a high temperature environment. Specifically, the diameter of the perforations 214 may be set to 0.5-0.8mm.

In this embodiment, the separating mechanism includes a separating assembly 321 and a dryer 322, the separating assembly 321 includes an inner cylinder 3211, an installation body 3212, and a flow guiding flap 3213, the inner cylinder 3211 is vertically through, a bottom surface of the inner cylinder 3211 is connected to a top surface of the main housing 21, an outer sidewall of the inner cylinder 3211 and an inner sidewall of the separating column 31 are arranged at intervals, so as to form a first flow guiding space 323 therebetween, a top portion of the at least one through hole 214 communicates with the first flow guiding space 323, the installation body 3212 is located inside the inner cylinder 3211, the flow guiding flap 3213 is spirally and sleeved on the installation body 3212, and the flow guiding flap 3213 is respectively connected to a sidewall of the installation body 3212 and an inner sidewall of the inner cylinder 3211, so that the inner cylinder 3211, the installation body 3212, and the flow guiding flap 3213 enclose a spiral second flow guiding space 324, and the dryer 322 is disposed above the first separating assembly 321. Part of the steam enters the first guide space 323 through the perforation 214, and the liquefied water can be intercepted through the first guide space 323; part of the steam enters the inner cylinder 3211 through the perforations 214 and then enters the second guide space 324, and the liquefied water can be intercepted through the second guide space 324; the liquefied water may also be intercepted by the dryer 322. Wherein the intercepted liquefied water can flow downward back into the main casing 21.

Further, the separator element 321 still includes roof 3214 and breakwater 3215, and roof 3214 sets up to be cyclic annular and sets up in the top of interior column 3211, and roof 3214 and the coaxial arrangement of interior column 3211, and breach 3216 has been seted up to the top lateral wall of interior column 3211, and breakwater 3215's cross section sets up to be "L" style of calligraphy, and breakwater 3215 is located the inboard of interior column 3211, and the inside wall of interior column 3211 is connected in the lateral margin department of breach 3216 in one side of breakwater 3215, and the longitudinal projection of breakwater 3215 and breach 3216 all is located roof 3214's longitudinal projection. When the steam rising along the inner side of the inner cylinder 3211 reaches the top plate 3214, the flow of the steam is blocked, a portion of the steam bypasses the top plate 3214 and continues to rise, and a portion of the steam bypasses the water baffle 3215 and continues to rise after passing through the gap 3216.

With the above structure, the separation assembly 321 and the dryer 322 can intercept the liquefied water in the steam in multiple levels, thereby ensuring high dryness of the medical steam output through the exhaust port.

In this embodiment, the flow guiding pipe 40 is inserted into the main housing 21, and the outlet end of the flow guiding pipe 40 extends downward to a position lower than the through hole 214, so that the backflow of steam generated during the operation of the electric heating device 22 into the flow guiding pipe 40 can be reduced.

A liquid level meter 50 is connected to the outside of the main housing 21 to detect the water level in the main housing 21 so as to replenish water in time when there is a shortage of water. Further, in some embodiments, a valve arrangement is provided on delivery tube 40 to prevent medical vapor within main housing 21 from flowing back through delivery tube 40 to first heat exchanger 10. Specifically, the valve device may be provided as a check valve, an on-off valve, or the like.

The structures of the first heat exchanger 10 and the dryer 322 are familiar to those skilled in the art, and will not be described herein.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A dual-heating steam generator, comprising:

the first heat exchanger (10) is provided with a heat source inlet, a heat source outlet (11), a heating inlet (12) and a heating outlet, and the heat source inlet is connected with the boiler through a pipeline;

the second heat exchanger (20) comprises a main shell (21) and an electric heating device (22), and the electric heating device (22) is inserted in the main shell (21);

the separation device (30) comprises a hollow separation column (31) and a separation mechanism arranged in the separation column (31), the top of the separation column (31) is provided with a discharge port, the bottom of the separation column (31) is connected with the top of the main shell (21), and the bottom of the inner cavity of the separation column (31) is communicated with the top of the inner cavity of the main shell (21);

and the inlet end of the flow guide pipe (40) is connected with the heating outlet, and the outlet end of the flow guide pipe is positioned in the main shell (21).

2. The dual-heating steam generator of claim 1, wherein the outer side wall of the main housing (21) is provided with a first mounting opening, the first mounting opening is provided with a mounting tube (212), one end of the mounting tube (212) far away from the main housing (21) is provided with a first flange (213), the electric heating device (22) is arranged through the mounting tube (212) and extends into the main housing (21), and the electric heating device (22) is connected with the first flange (213).

3. A dual-heating steam generator according to claim 2, wherein the electric heating means (22) comprises a second flange (221) and an electric heating pipe assembly (222) inserted into the second flange (221), the electric heating pipe assembly (222) is inserted into the mounting cylinder (212) and extends into the main housing (21), and the second flange (221) is connected to the first flange (213).

4. A dual heating steam generator according to claim 1, wherein the bottom of the separation column (31) is open, the top of the main housing (21) is opened with a plurality of perforations (214) spaced apart from each other corresponding to the position of the separation column (31), and the perforations (214) communicate the top of the inner cavity of the main housing (21) with the bottom of the inner cavity of the separation column (31).

5. A dual heated steam generator according to claim 4, characterized in that the perforations (214) have a diameter of 0.5-0.8mm.

6. A dual-heating steam generator according to claim 4, wherein the flow guide tube (40) is inserted into the main housing (21) and the outlet end of the flow guide tube (40) extends downwardly to a position below the perforations (214).

7. A dual-heated steam generator as set forth in claim 4 wherein said disengagement mechanism comprises:

the separation assembly (321) comprises an inner column cylinder (3211), an installation body (3212) and a flow guide folding plate (3213), the inner column cylinder (3211) is vertically communicated, the bottom surface of the inner column cylinder (3211) is connected with the top surface of the main shell (21), a first flow guide space (323) is formed between the outer side wall of the inner column cylinder (3211) and the inner side wall of the separation column (31), the top of at least one through hole (214) is communicated with the first flow guide space (323), the installation body (3212) is located on the inner side of the inner column cylinder (3211), the flow guide folding plate (3213) is spirally sleeved on the installation body (3212), and the flow guide folding plate (3213) is respectively connected with the side wall of the installation body (3212) and the inner side wall of the inner column cylinder (3211) so that the inner column cylinder (3211), the installation body (3212) and the flow guide folding plate (3213) enclose a second flow guide space (324) in a spiral shape;

a dryer (322) disposed above the separation assembly (321).

8. The double-heating steam generator of claim 7, wherein the separation assembly (321) further comprises a top plate (3214) and a water baffle (3215), the top plate (3214) is disposed annularly at the top of the inner cylinder (3211), the top plate (3214) and the inner cylinder (3211) are coaxially disposed, a gap (3216) is formed in a sidewall of the top of the inner cylinder (3211), the water baffle (3215) has an L-shaped cross section and is located inside the inner cylinder (3211), one side of the water baffle (3215) is connected to an inner sidewall of the inner cylinder (3211) at a side edge of the gap (3216), and longitudinal projections of the water baffle (3215) and the gap (3216) are located in a longitudinal projection of the top plate (3214).

9. A dual-heating steam generator according to claim 1, wherein a liquid level gauge (50) is attached to the outside of the main housing (21).

10. A double heated steam generator according to claim 1, characterized in that the flow guide tube (40) is provided with valve means.