CN218097385U

CN218097385U - Heat transfer jacket structure

Info

Publication number: CN218097385U
Application number: CN202221611846.5U
Authority: CN
Inventors: 徐豪翔; 杨春平
Original assignee: Ningbo Lehui International Engineering Equipment Co Ltd
Current assignee: Ningbo Lehui International Engineering Equipment Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-20
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a heat transfer jacket structure, including two plate bodies (1), be formed with intermediate layer (11) between two plate bodies (1), the adjacent periphery of two plate bodies (1) welds each other and is formed with and is used for carrying out confined welding seam (13) to intermediate layer (11) week portion, has leakage fluid dram (14) that link up mutually with intermediate layer (11), its characterized in that on the plate body (1) that is located the outside: welding seam (13) of plate body (1) bottom is including U-shaped section (131) and horizontal straightway (132) that connect gradually, surrounds between this U-shaped section (131) and two plate bodies (1) to be formed with hydrops groove (112) that are located intermediate layer (11) bottom, and leakage fluid dram (14) are located U-shaped section (131) directly over, and the minimum of leakage fluid dram (14) is less than horizontal straightway (132). Compared with the prior art, the utility model discloses a heat transfer jacket structure can reduce the hydrops as far as possible and remain.

Description

Heat transfer jacket structure

Technical Field

The utility model relates to a heat transfer presss from both sides cover technical field, specifically indicates a heat transfer presss from both sides cover structure.

Background

In the open-air fermentation tank, because of the advantages of investment saving, short production period, convenient automatic management, stable beer quality and the like, in order to timely dissipate the heat generated by fermentation and make the temperature in the fermentation tank uniform, a cooling jacket is arranged on the outer wall of the fermentation tank. Most of the existing beer fermentation tanks use various jackets with thin plates welded on the outer surface of a stainless steel thick plate with the thickness of about 4-8 mm, and cooling media are introduced into the jackets to realize the function of beer fermentation. The inner surfaces of the fermentation tanks are smooth and flat, and the loss of cold energy is reduced by heat preservation outside the tank body.

Due to the large amount of heat energy generated during beer fermentation, it is desirable to rapidly cool the beer in as short a time as possible using the cooling medium in the jacket. However, in the existing jacket, the tank wall is thick, the heat conduction resistance of stainless steel is large, the heat transfer effect is poor, and the process requirements of beer fermentation are difficult to meet along with the increasing volume of a fermentation tank.

In order to improve the heat transfer efficiency, the inventor previously applied Chinese utility model patent with patent application number CN200420037437.4 (publication number CN 2750279Y) built-in laser welding heat transfer jacket structure and Chinese invention patent with patent application number CN201310151188.5 (publication number CN 104120053A) a honeycomb jacket fermentation tank disclose a heat transfer jacket structure, the heat transfer jacket structure comprises two plates, welding areas arranged according to a certain geometric shape are arranged on the plate surfaces of the two plates, and other non-welding area parts are in a convex arc shape, so that the cross section of an inner cavity of the heat transfer jacket structure is in a honeycomb shape with concave-convex fluctuation.

Specifically, as shown in fig. 1, an interlayer 11 is formed between two plate bodies 1, a plurality of welding spots 12 for welding the two plate bodies 1 together are arranged in the interlayer 11, welding seams 13 for sealing the periphery of the interlayer 11 are formed by welding adjacent peripheries of the two plate bodies 1, a liquid discharge port 14 communicated with the interlayer 11 is formed in the plate body 1 located on the outer side, when the jacket stops working, the part of the jacket structure bottom passage 111 lower than the liquid discharge port cannot be discharged to cause liquid accumulation, the chloride ion concentration can be gradually increased along with volatilization of water, the chloride ion concentration in the bottom passage 111 gradually increases along with repeated working and stopping working of the jacket, the chloride ion concentration reaches a certain proportion, the lowermost welding seam is corroded, and the leakage risk increases.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide one kind and can reduce the remaining heat transfer jacket structure of hydrops as far as possible.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a heat transfer jacket structure, includes two plate bodys, is formed with the intermediate layer between two plate bodys, and the adjacent periphery of two plate bodys welds each other and is formed with and is used for carrying out confined welding seam to intermediate layer week portion, be located the outside have on the plate body with the leakage fluid dram that the intermediate layer link up mutually, its characterized in that: the welding seam at the bottom of each plate body comprises a U-shaped section and a horizontal straight line section which are sequentially connected, a liquid accumulation groove located at the bottom of the interlayer is formed between the U-shaped section and the two plate bodies in a surrounding mode, the liquid discharge port is located right above the U-shaped section, and the lowest point of the liquid discharge port is lower than the horizontal straight line section.

In order to reduce the liquid accumulation amount while not affecting the liquid discharge, the length of the liquid accumulation groove is represented as L1, the diameter of the liquid discharge port is represented as D, and D/L1 is more than or equal to 1/3 and less than or equal to 1/8.

Preferably, the value of L1 is 180 to 220mm.

Preferably, the value of D is 40 to 50mm.

In order to ensure that the accumulated liquid amount is greatly reduced, the length of the plate body is recorded as L2, and L1/L2 is more than or equal to 1/20 and less than or equal to 1/50.

Preferably, the value of L2 is from 6000 to 8000mm.

In order to improve the heat transfer efficiency of the fluid in the interlayer, a plurality of welding points for welding the two plate bodies together are arranged in the interlayer.

In order to ensure that fluid in the bottom layer channel is smoothly discharged, the welding points are arranged at intervals in a matrix shape, a bottom layer channel is formed between the welding points positioned in the lowest row, the horizontal straight line section and the two plate bodies in a surrounding mode, the height of the bottom layer channel is recorded as H, the diameter of the liquid discharge port is recorded as D, and H is more than D and less than 2H.

Preferably, the value of H is 30 to 35mm.

Compared with the prior art, the utility model has the advantages of: through the U-shaped section and the horizontal straightway that design into the welding seam with the plate body bottom and connect gradually, surround between this U-shaped section and two plate bodies and be formed with the long-pending cistern that is located the intermediate layer bottom, during the flowing back, refrigerant or heat medium discharge opening through directly over the U-shaped section in the intermediate layer are discharged, because the minimum of discharge opening is less than horizontal straightway, liquid in the bottom passageway can the evacuation and avoid appearing the hydrops, only partial liquid can remain in long-range corrosion in long-range, reduce the leakage risk.

Drawings

FIG. 1 is a schematic view of a structure of a heat-transfer jacket according to the prior art;

fig. 2 is a schematic structural view of an embodiment of the heat transfer jacket structure of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Fig. 2 shows a preferred embodiment of the heat transfer jacket structure of the present invention. The heat transfer jacket structure comprises two plate bodies 1.

An interlayer 11 is formed between the two plate bodies 1, a plurality of welding points 12 for welding the two plate bodies 1 together are arranged in the interlayer 11 at intervals in a matrix shape, welding seams 13 for sealing the periphery of the interlayer 11 are formed by mutually welding the adjacent peripheries of the two plate bodies 1, and a liquid discharge port 14 communicated with the interlayer 11 is formed in the plate body 1 positioned on the outer side.

In this embodiment, the welding line 13 at the bottom of the plate body 1 includes a U-shaped section 131 and a horizontal straight line section 132 connected in sequence, the welding point 12 located in the bottom row, the bottom channel 111 surrounded and formed between the horizontal straight line section 132 and the two plate bodies 1, the liquid accumulation groove 112 surrounded and formed between the U-shaped section 131 and the two plate bodies 1, the liquid accumulation groove 112 located at the bottom of the interlayer 11 and lower than the bottom channel 111, in addition, the liquid discharge port 14 located directly above the U-shaped section 131, and the lowest point of the liquid discharge port 14 lower than the horizontal straight line section 132.

The length of the liquid collecting tank 112 is recorded as L1, the length of the plate body 1 is recorded as L2, the diameter of the liquid discharging port 14 is recorded as D, the height of the bottom channel 111 is recorded as H, L1/L2 is more than or equal to 1/50,1/3 is more than or equal to D/L1 is more than or equal to 1/8, and H is more than or equal to D and less than 2H. The length of the liquid accumulating tank 112 is controlled as short as possible, as long as the swelling in the liquid accumulating tank 112 and the space for the liquid discharge port 14 are secured, and according to the manufacturing experience over many years, the value of L1 is preferably 180 to 220mm, the value of L2 is preferably 6000 to 8000mm, the value of D is preferably 40 to 50mm, and the value of H is preferably 30 to 35mm.

The working principle of the embodiment is as follows: when in use, the plate body 1 positioned on the inner side is used as a heat exchange surface of equipment such as a reactor, a stirrer and the like, a container space is arranged in the plate body 1, the plate body 1 positioned on the outer side is used as a tank body wall of the equipment such as the reactor, the stirrer and the like, and an atmosphere space is arranged outside the plate body;

(1) When the heat exchanger works, a refrigerant or a heating medium is filled into the interlayer 11 between the two plate bodies 1, and can exchange heat with fluid in a container space, and the design of the welding points 12 in the interlayer 11 can prevent the fluid from flowing to form turbulence, so that the heat transfer efficiency is improved;

(2) After the work, open drain port 14, refrigerant or heat medium pass through drain port 14 and discharge in the intermediate layer 11, because the minimum of drain port 14 is less than horizontal straightway 132, the liquid in bottom passageway 111 can the evacuation and avoid appearing the hydrops, only partial liquid can remain in hydrops groove 112, avoids corroding on a large scale, reduces the leakage risk.

Claims

1. The utility model provides a heat transfer jacket structure, includes two plate bodys (1), is formed with intermediate layer (11) between two plate bodys (1), and the adjacent periphery of two plate bodys (1) welds each other and is formed with and is used for carrying out confined welding seam (13) to intermediate layer (11) week portion, is located the outside have on plate body (1) with intermediate layer (11) link up mutually leakage fluid dram (14), its characterized in that: the welding seam (13) at the bottom of the plate body (1) comprises a U-shaped section (131) and a horizontal straight line section (132) which are sequentially connected, a liquid accumulation groove (112) located at the bottom of the interlayer (11) is formed between the U-shaped section (131) and the two plate bodies (1) in a surrounding mode, the liquid discharge port (14) is located right above the U-shaped section (131), and the lowest point of the liquid discharge port (14) is lower than the horizontal straight line section (132).

2. A heat transfer jacket structure according to claim 1, wherein: the length of the liquid collecting tank (112) is recorded as L1, the diameter of the liquid discharging port (14) is recorded as D, and D/L1 is more than or equal to 1/3 and less than or equal to 1/8.

3. A heat transfer jacket structure according to claim 2, wherein: the value of L1 is 180-220 mm.

4. A heat transfer jacket structure according to claim 2, wherein: the value of D is 40-50 mm.

5. A heat transfer jacket structure according to claim 2, wherein: the length of the plate body (1) is recorded as L2, and L1/L2 is more than or equal to 1/20 and less than or equal to 1/50.

6. A heat transfer jacket structure according to claim 5, wherein: the value of L2 is 6000-8000 mm.

7. A heat transfer jacket structure according to any one of claims 1 to 6, wherein: the interlayer is internally provided with a plurality of welding points (12) for welding the two plate bodies together.

8. A heat transfer jacket structure according to claim 7, wherein: the welding points (12) are arranged at intervals in a matrix shape, a bottom layer channel (111) is formed between the welding points (12) in the lowest row and the horizontal straight line sections (132) and the two plate bodies (1) in a surrounding mode, the height of the bottom layer channel (111) is recorded as H, the diameter of the liquid discharge port (14) is recorded as D, and H is more than D and less than 2H.

9. A heat transfer jacket structure according to claim 8, wherein: the value of H is 30-35 mm.