CN211575934U

CN211575934U - Aseptic level double-tube plate heat exchanger

Info

Publication number: CN211575934U
Application number: CN201922472943.5U
Authority: CN
Inventors: 张文境; 韩强
Original assignee: Shandong Jiuze Heat Exchange System Co ltd
Current assignee: Shandong Jiuze Heat Exchange System Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-25
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an aseptic double-tube plate heat exchanger, which comprises a heat exchange barrel, a first tube box and a second tube box, wherein the first tube box and the second tube box are arranged at two ends of the heat exchange barrel; the liquid inlet flange A and the liquid outlet flange A are arranged on the first channel box and the second channel box; a liquid inlet flange B and a liquid outlet flange B are arranged on the heat exchange cylinder; transition sections are fixed at two ends of the heat exchange cylinder through bolt and nut pieces; the other end of the transition section is fixed with the first channel box and the second channel box through bolt and nut pieces; both ends of the transition section are tube plates; the bottom of the transition section is communicated with a buffer groove; the sterile double-tube plate heat exchanger of the utility model adopts end sealing and expansion compression deformation to carry out two-way sealing, thereby sealing the end of the heat exchange cylinder; when part of the liquid permeates into the transition section, the liquid is cooled through the transition section and is guided into the buffer tank, so that the liquid A and the liquid B are isolated from each other, and a sterile environment is achieved.

Description

Aseptic level double-tube plate heat exchanger

Technical Field

The utility model relates to a heat exchanger, in particular to aseptic level double tube sheet heat exchanger belongs to heat exchanger technical field.

Background

The heat exchanger is widely applied to industrial departments such as chemical industry, chemical fertilizers, oil refining, power, buildings, food and the like, wherein the shell-and-tube heat exchanger is dominant in various heat exchanger products, and in a heat exchange environment in which shell-side and tube-side media are not allowed to be in contact, when a traditional single-tube-plate heat exchanger is used, once a tube head leaks, the two media are mixed, a strong corrosive medium or a flammable, explosive and highly harmful medium is often formed, and serious damage is brought to human bodies and property; therefore, the double-tube-plate heat exchanger is used for heat exchange, but the tube boxes of the existing double-tube-plate heat exchanger are communicated, and end leakage is easily caused in the heat exchange process of a heat medium and cold liquid, so that the liquid in the tube boxes is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an aseptic level double tube sheet heat exchanger adopts end seal and inflation compression deformation thereby to guarantee the tip leakproofness.

The utility model discloses an aseptic double-tube plate heat exchanger, which comprises a heat exchange barrel, a first tube box and a second tube box, wherein the first tube box and the second tube box are arranged at two ends of the heat exchange barrel; the liquid inlet flange A and the liquid outlet flange A are arranged on the first channel box and the second channel box; a liquid inlet flange B and a liquid outlet flange B are arranged on the heat exchange cylinder; transition sections are fixed at two ends of the heat exchange cylinder through bolt and nut pieces; the other end of the transition section is fixed with the first channel box and the second channel box through bolt and nut pieces; both ends of the transition section are tube plates; the bottom of the transition section is communicated with a buffer groove; a heat exchange tube group is arranged between the transition sections at the two ends; two ends in the heat exchange cylinder are respectively welded with a ring of right-angled triangular baffles; a deformation plate is attached to the outer part of the right-angle triangular baffle; the other side of the deformation plate of the heat exchange cylinder is welded with a right-angle triangular baffle plate tightly pressed with the deformation plate, and the deformation plate is clamped between the two rings of right-angle triangular baffle plates; an end sealing material is poured between the transition section and the deformation plate on the inner side of the heat exchange cylinder, the deformation plate can expand and bear the pressure of a heat medium, and the front end is sealed by pressing the deformation plate and the end sealing material; the end part sealing material is matched with the tube plate of the transition section to seal the rear end part of the heat exchange cylinder, so that the liquid B is sealed in the heat exchange cylinder, and the liquid A enters the second tube box from the first tube box through the heat exchange tube group; the heat exchange tube set exchanges heat through liquid B on the inner side of the heat exchange cylinder; when the liquid B permeates into the transition section from the end part, the liquid B is temporarily stored through the buffer groove, so that the liquid B is prevented from permeating into the liquid A.

Further, the deformation plate comprises two plate bodies; an elastic plate is fixed between the two plate bodies and is extruded by the liquid B, so that the inner side of the heat exchange cylinder body can be sealed.

Furthermore, a plurality of baffle plates are arranged on the inner side of the heat exchange cylinder.

Further, sealing rings are arranged between the transition section and the first pipe box and between the transition section and the second pipe box.

Compared with the prior art, the sterile double-tube plate heat exchanger adopts end sealing and expansion compression deformation for secondary sealing, so that the end sealing of the heat exchange barrel can be realized; when part of the liquid permeates into the transition section, the liquid is cooled through the transition section and is guided into the buffer tank, so that the liquid A and the liquid B are isolated from each other, and a sterile environment is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

Example 1:

the utility model discloses an aseptic double-tube plate heat exchanger, which comprises a heat exchange barrel 1, a first tube box 2 and a second tube box 3 which are arranged at the two ends of the heat exchange barrel; the liquid inlet flange A4 and the liquid outlet flange A5 are arranged on the first channel box and the second channel box; a liquid inlet flange B6 and a liquid outlet flange B7 which are arranged on the heat exchange cylinder body; transition sections 8 are fixed at two ends of the heat exchange cylinder 1 through bolt and nut pieces; the other end of the transition section 8 is fixed with the first tube box 2 and the second tube box 3 through bolt and nut pieces; the two ends of the transition section 8 are both provided with tube plates 81; the bottom of the transition section 8 is communicated with a buffer groove 82; a heat exchange tube group 9 is arranged between the transition sections 8 at the two ends; two rings of right-angled triangular baffles 10 are welded at two ends in the heat exchange cylinder 1 respectively; a deformation plate 11 is attached to the outer part of the right-angle triangular baffle plate 10; the other side of the deformation plate of the heat exchange cylinder 1 is welded with a right-angle triangular baffle plate 10 tightly pressed with the deformation plate, and the deformation plate is clamped between the two rings of right-angle triangular baffle plates 10; an end sealing material 12 is poured between the transition section and the deformation plate on the inner side of the heat exchange cylinder 1, the deformation plate can expand and bear the pressure of a heat medium, and the front end is sealed by pressing with the end sealing material; the end part sealing material is matched with the tube plate of the transition section to seal the rear end part of the heat exchange cylinder, so that the liquid B is sealed in the heat exchange cylinder, and the liquid A enters the second tube box from the first tube box through the heat exchange tube group; the heat exchange tube set exchanges heat through liquid B on the inner side of the heat exchange cylinder; when the liquid B permeates into the transition section from the end part, the liquid B is temporarily stored through the buffer groove, so that the liquid B is prevented from permeating into the liquid A.

Wherein, the deformation plate 11 comprises two plate bodies 111; an elastic plate 112 is fixed between the two plate bodies and is extruded by the liquid B, so that the inner side of the heat exchange cylinder body can be sealed; a plurality of baffle plates 13 are arranged on the inner side of the heat exchange cylinder 1; sealing rings 14 are arranged between the transition section 8 and the first tube box 2 and between the transition section 8 and the second tube box 3.

The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims

1. A sterile double-tube plate heat exchanger comprises a heat exchange barrel, a first tube box and a second tube box, wherein the first tube box and the second tube box are arranged at two ends of the heat exchange barrel; the liquid inlet flange A and the liquid outlet flange A are arranged on the first channel box and the second channel box; a liquid inlet flange B and a liquid outlet flange B are arranged on the heat exchange cylinder; the method is characterized in that: transition sections are fixed at two ends of the heat exchange cylinder through bolt and nut pieces; the other end of the transition section is fixed with the first channel box and the second channel box through bolt and nut pieces; both ends of the transition section are tube plates; the bottom of the transition section is communicated with a buffer groove; a heat exchange tube group is arranged between the transition sections at the two ends; two ends in the heat exchange cylinder are respectively welded with a ring of right-angled triangular baffles; a deformation plate is attached to the outer part of the right-angle triangular baffle; the other side of the deformation plate of the heat exchange cylinder is welded with a right-angle triangular baffle plate tightly pressed with the deformation plate; and end sealing materials are poured between the transition section and the deformation plate on the inner side of the heat exchange cylinder.

2. The aseptic grade double tube sheet heat exchanger of claim 1, wherein: the deformation plate comprises two plate bodies; an elastic plate is fixed between the two plate bodies.

3. The aseptic grade double tube sheet heat exchanger of claim 1, wherein: and a plurality of baffle plates are arranged on the inner side of the heat exchange cylinder.

4. The aseptic grade double tube sheet heat exchanger of claim 1, wherein: and sealing rings are arranged between the transition section and the first pipe box and between the transition section and the second pipe box.