CN216432613U

CN216432613U - Maintenance-free heat exchanger device

Info

Publication number: CN216432613U
Application number: CN202122682256.3U
Authority: CN
Inventors: 嵇增玮
Original assignee: Beijing Fresenius Kabi Pharmaceutical Co Ltd
Current assignee: Beijing Fresenius Kabi Pharmaceutical Co Ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-03
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a non-maintaining heat exchanger device, which comprises a housin, the inside one side of casing is equipped with fixed tube sheet, the inside opposite side of casing is equipped with the floating head tube sheet, and be equipped with a plurality of heat-transfer pipes between fixed tube sheet and the floating head tube sheet, the outside of heat-transfer pipe is equipped with a plurality of baffling boards, the casing is connected with first flange in the one side of being close to fixed tube sheet, the welding of one side of first flange has first pipe case, one side of first pipe case is equipped with the row dirty mouth, one side of row dirty mouth is equipped with sealed lid, and the inner wall of row dirty mouth is equipped with the internal thread, the inside of first pipe case puts the welding at the central point that is close to row dirty mouth one side has the baffle, and the baffle is equipped with the fixture block in the one side of keeping away from row dirty mouth, the casing is connected with the second flange in the one side of being close to the floating head tube sheet. The tubular heat exchanger convenient to replace can effectively improve the heat exchange efficiency of the heat exchanger, prolongs the service life of the heat exchanger, and has higher practical value.

Description

Maintenance-free heat exchanger device

Technical Field

The utility model relates to a heat exchanger technical field specifically is a non-maintaining heat exchanger device.

Background

At present, a heat exchanger of a sterilization cabinet adopts a plate type form, however, the plate type heat exchanger has the disadvantages of high annual regular maintenance time and cost, long maintenance time, high maintenance cost, poor heat exchange effect and low production efficiency. Therefore, the maintenance-free heat exchanger device is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a maintenance-free heat exchanger device, which comprises a shell, wherein one side inside the shell is provided with a fixed tube plate, the other side inside the shell is provided with a floating head tube plate, a plurality of heat transfer tubes are arranged between the fixed tube plate and the floating head tube plate, the outer side of the heat transfer tubes is provided with a plurality of baffle plates, one side of the shell close to the fixed tube plate is connected with a first flange, one side of the first flange is welded with a first tube box, one side of the first tube box is provided with a scale discharge port, one side of the scale discharge port is provided with a sealing cover, the inner wall of the scale discharge port is provided with an internal thread, the center position of one side close to the scale discharge port inside the first tube box is welded with a clapboard, the clapboard is provided with a clamping block on one side far away from the scale discharge port, one side of the shell close to the floating head tube plate is connected with a second flange, one side of the second flange is welded with a second tube box, and a floating head is arranged in the second channel box.

As a preferred technical scheme of the utility model, the top of casing is equipped with the refrigerant entry, just the bottom of casing is equipped with the refrigerant export.

As an optimal technical scheme of the utility model, the top of first pipe case is equipped with the inlet, just the bottom of first pipe case is equipped with the liquid outlet.

As an optimal technical scheme of the utility model, one side of first flange and second flange all is equipped with the bolt, just first flange and second flange all pass through bolt and casing fixed connection.

As a preferred technical scheme of the utility model, the outer wall of sealed lid one side is equipped with the external screw thread, just the mutual interlock of external screw thread and internal thread.

As an optimal technical scheme of the utility model, one side of fixed tube sheet is equipped with the draw-in groove, just draw-in groove and the mutual block of fixture block.

As a preferred technical scheme of the utility model, the bottom of casing is equipped with a pair of stabilizer blade.

The utility model has the advantages that:

1. the tube type heat exchanger convenient to replace is convenient for connecting cavities of all heat transfer tubes in parallel through the matching use of the partition plates, the fixed tube plates and the floating head tube plates, a pair of inlet and outlet flow channels are formed and separated, and then the heat transfer tubes can be fully cooled by a refrigerant through the arrangement of the baffle plates, so that the heat exchange efficiency of the heat exchanger is improved;

2. according to the tubular heat exchanger convenient to replace, the scale discharging port and the sealing cover are matched for use, so that scale in the first tube box can be conveniently and quickly cleaned, the phenomenon that the scale is accumulated too much and enters the heat transfer tube to affect the normal use of the heat exchanger is avoided, the service life of the heat exchanger is prolonged, the frequent maintenance of the heat exchanger is avoided, and the maintenance cost is reduced; the utility model has the advantages of simple and reasonable structure, the modern design, easy operation is convenient, can effectively improve the heat exchange efficiency of heat exchanger, and has increased the life of heat exchanger, has higher practical value.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a maintenance-free heat exchanger device of the present invention;

fig. 2 is a perspective cross-sectional view of a maintenance-free heat exchanger apparatus of the present invention;

fig. 3 is a side cross-sectional view of a first tube box of a maintenance-free heat exchanger apparatus of the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 3 of a maintenance-free heat exchanger device of the present invention.

In the figure: 1. a housing; 101. a refrigerant inlet; 102. a refrigerant outlet; 2. a first flange; 201. a bolt; 3. a first header; 301. a liquid inlet; 302. a partition plate; 303. a dirt discharge port; 304. a liquid outlet; 305. a clamping block; 4. a sealing cover; 401. an external thread; 5. fixing the tube plate; 501. a card slot; 6. a heat transfer tube; 7. a baffle plate; 8. a second flange; 9. a second header; 10. a floating head tube plate; 11. floating head; 12. and (3) a support leg.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the maintenance-free heat exchanger device of the present invention comprises a housing 1, a fixed tube plate 5 is disposed on one side inside the housing 1, a floating head tube plate 10 is disposed on the other side inside the housing 1, a plurality of heat transfer tubes 6 are disposed between the fixed tube plate 5 and the floating head tube plate 10, a plurality of baffle plates 7 are disposed on the outer sides of the heat transfer tubes 6, a first flange 2 is connected to one side of the housing 1 near the fixed tube plate 5, a first tube box 3 is welded to one side of the first flange 2, a scale discharge port 303 is disposed on one side of the first tube box 3, a sealing cover 4 is disposed on one side of the scale discharge port 303, an internal thread is disposed on the inner wall of the scale discharge port 303, a partition plate 302 is welded to the center position of one side near the scale discharge port 303 inside the first tube box 3, a block 305 is disposed on one side far from the scale discharge port 303, a second flange 8 is connected to one side of the housing 1 near the floating head tube plate 10, a second pipe box 9 is welded on one side of the second flange 8, and a floating head 11 is arranged inside the second pipe box 9.

Wherein, the top end of the shell 1 is provided with a refrigerant inlet 101, and the bottom end of the shell 1 is provided with a refrigerant outlet 102.

Wherein, the top end of the first channel 3 is provided with a liquid inlet 301, and the bottom end of the first channel 3 is provided with a liquid outlet 304.

Wherein, one side of first flange 2 and second flange 8 all is equipped with bolt 201, and first flange 2 and second flange 8 all through bolt 201 and casing 1 fixed connection, through the setting of bolt 201, are convenient for realize first flange 2 and second flange 8 and casing 1's fixed connection.

Wherein, the outer wall of sealed lid 4 one side is equipped with external screw thread 401, and external screw thread 401 and the mutual interlock of internal thread, uses through the cooperation of external screw thread 401 and internal thread, is convenient for realize sealed lid 4 and row dirty mouth 303 sealed.

Wherein, one side of fixed tube sheet 5 is equipped with draw-in groove 501, and draw-in groove 501 and the mutual block of fixture block 305, uses through the cooperation of fixture block 305 and draw-in groove 501, is convenient for realize the support and the fixed of baffle 302.

Wherein, the bottom of casing 1 is equipped with a pair of stabilizer blade 12, through the setting of stabilizer blade 12, is convenient for realize the support of heat exchanger.

The working principle is as follows: when in use, the partition plate 302, the fixed tube plate 5 and the floating head tube plate 10 are matched for use, so that the cavities of all the heat transfer tubes 6 are conveniently connected in parallel to form a pair of inlet and outlet flow channels and are separated, then circulating water in the sterilization cabinet enters the heat transfer tubes 6 through the liquid inlet 301 for circulating heat dissipation, at the moment, a refrigerant is poured into the shell 1 through the refrigerant inlet 101, the baffle plate 7 is arranged, so that the refrigerant can fully cool the heat transfer pipe 6, the heat exchange efficiency of the heat exchanger is improved, after daily use, through the cooperation use of row's dirt mouth 303 and sealed lid 4, be convenient for realize clearing up fast the incrustation scale in first pipe case 3, avoid the incrustation scale to store up in too much entering heat-transfer pipe 6, influence the normal use of heat exchanger, increased the life of heat exchanger, and avoid the heat exchanger to maintain often, reduced the maintenance cost.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A maintenance-free heat exchanger device comprises a shell (1) and is characterized in that a fixed tube plate (5) is arranged on one side of the inside of the shell (1), a floating head tube plate (10) is arranged on the other side of the inside of the shell (1), a plurality of heat transfer tubes (6) are arranged between the fixed tube plate (5) and the floating head tube plate (10), a plurality of baffle plates (7) are arranged on the outer side of each heat transfer tube (6), a first flange (2) is connected to one side of the shell (1) close to the fixed tube plate (5), a first tube box (3) is welded on one side of the first flange (2), a scale discharging opening (303) is arranged on one side of the first tube box (3), a sealing cover (4) is arranged on one side of the scale discharging opening (303), an inner thread is arranged on the inner wall of the scale discharging opening (303), a partition plate (302) is welded in the center position of the inside of the first tube box (3) close to one side of the scale discharging opening (303), and baffle (302) are equipped with fixture block (305) in the one side of keeping away from row dirt mouth (303), casing (1) is connected with second flange (8) in the one side of being close to floating head tube sheet (10), one side welding of second flange (8) has second pipe case (9), just the inside of second pipe case (9) is equipped with floating head (11).

2. A maintenance-free heat exchanger device according to claim 1, characterized in that the top end of the housing (1) is provided with a refrigerant inlet (101) and the bottom end of the housing (1) is provided with a refrigerant outlet (102).

3. A maintenance-free heat exchanger arrangement according to claim 1, characterized in that the top end of the first channel (3) is provided with a liquid inlet (301) and the bottom end of the first channel (3) is provided with a liquid outlet (304).

4. A maintenance-free heat exchanger device according to claim 1, wherein bolts (201) are arranged on one side of the first flange (2) and one side of the second flange (8), and the first flange (2) and the second flange (8) are fixedly connected with the casing (1) through the bolts (201).

5. A maintenance-free heat exchanger device according to claim 1, characterized in that the outer wall of the sealing cover (4) on one side is provided with an external thread (401), and the external thread (401) and the internal thread are mutually engaged.

6. The maintenance-free heat exchanger device as claimed in claim 1, wherein a clamping groove (501) is formed in one side of the fixed tube plate (5), and the clamping groove (501) and the clamping block (305) are clamped with each other.

7. A maintenance-free heat exchanger device according to claim 1, characterized in that the bottom end of the housing (1) is provided with a pair of legs (12).