CN209054981U - A kind of heat exchanger - Google Patents

Abstract

The utility model provides a kind of heat exchanger, belong to heat exchanger technical field, coil pipe is single duplex coil, including end socket, shell, flange and mounting rack, the end socket is arranged on the left of shell, 30 ° of chamferings are arranged in end socket outside suitable for reading, end socket wall thickness is 6mm, and mounting hole is set below end socket, upper and lower position is respectively arranged with the first welding base on the left of the shell, and plug screw is arranged inside first welding base, flange is arranged on the right side of the shell, blind flange is set on the right side of the flange, spirotallic gasket is set between flange and blind flange.Coil pipe is single duplex coil, is used to guarantee the cold fluid and hot fluid counterflow heat exchange between shell and coil pipe by inner and outer tubes；Using the protective case of B30 copper-nickel alloy material; application operating condition for chloride ion content greater than 1200ppm has good corrosion resistance, to eliminate the linker chemistry ingredient generated between coil pipe and shell by dissimilar welding and metal structure unevenly intercrystalline corrosion and stress corrosion phenomena to caused by.

Description

A kind of heat exchanger

Technical field

The utility model relates to a kind of heat exchange equipment, specifically a kind of heat exchanger.

Background technique

Heat exchanger (heat exchanger), is the equipment that the partial heat of hot fluid is passed to cold fluid, also known as hot Exchanger.Heat exchanger occupies an important position in chemical industry, petroleum, power, food and other many industrial productions, raw in chemical industry Heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler etc. in production, be widely used.

Existing heat exchanger is divided into shell side and tube side two parts, and this heat exchanger is that metal tube is turned around into various and container Adaptable shape, and be immersed in the liquid in container.The advantages of coil heat exchanger is that structure is simple, can bear high pressure, can It is manufactured with resistant material；The disadvantage is that the linker chemistry ingredient and metal structure because of dissimilar welding generation are uneven, it is easy to make At intercrystalline corrosion and stress corrosion.

Utility model content

In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a kind of heat exchangers.

In order to solve the above technical problems, the utility model provides following technical solution:

A kind of heat exchanger, including end socket, shell, flange and mounting rack；The end socket is arranged on the left of shell, and end socket is suitable for reading 30 ° of chamferings are arranged in outside, and end socket wall thickness is 6mm, and mounting hole is arranged below end socket；Upper and lower position is set respectively on the left of the shell It is equipped with the first welding base；Plug screw is set inside first welding base；Flange is set on the right side of the shell；It is set on the right side of the flange Blind flange is set, spirotallic gasket is set between flange and blind flange；The enclosure interior is equipped with inner and outer tubes；The blind flange is right Two the second welding bases symmetrical above and below are arranged in side, and welding point is respectively provided on the left of two the second welding bases, two welding It is respectively provided with a coil pipe in connector, protective case is also set up on every coil pipe, the coil winding inside the welding point of top is outside Pipe lateral wall, the coil winding inside the welding point of lower section is in inner tube lateral wall；Said inner tube is arranged on the inside of outer tube, and interior Pipe, outer tube and the axis of shell three are overlapped；Seat, blind flange and method are threadedly coupled there are two also setting up on the right side of the blind flange It is connected by studs with nut between orchid, and gasket is set between studs and nut；Setting peace below the shell It shelves；Protective case is set in the mounting rack.

As the further improvement project of the utility model: intermediate above the shell that nameplate frame is arranged.

As the further improvement project of the utility model: the coil pipe is single duplex coil.

As the utility model further improvement project: the mounting rack wall thickness is 6mm, and mounting rack is rectangle channel-shaped Structure, and the fillet of R20 is provided with below mounting rack, four mounting holes having a size of Φ 19 are arranged in mounting rack bottom surface.

As the utility model further improvement project: the shell length is 430mm, diameter 219mm.

As the utility model further improvement project: studs model M20 × 110.

As the utility model further improvement project: the model M20 of the nut.

As the utility model further improvement project: the protective case uses B30 copper-nickel alloy material.

As the utility model further improvement project: the shell uses austenitic stainless steel 316 L.

Compared with prior art, the utility model has the beneficial effects that

Coil pipe is single duplex coil, is used to guarantee the cold fluid and hot fluid adverse current between shell and coil pipe by inner and outer tubes Heat exchange；Using the protective case of B30 copper-nickel alloy material, for chloride ion content greater than the application operating condition of 1200ppm with good resistance to Corrosivity, to eliminate between coil pipe and shell because dissimilar welding generate linker chemistry ingredient and metal structure unevenly to Caused by intercrystalline corrosion and stress corrosion phenomena.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of heat exchanger；

Fig. 2 is a kind of structural schematic diagram of attachment base in heat exchanger；

Fig. 3 is a kind of front view schematic diagram of mounting rack in heat exchanger；

Fig. 4 is a kind of top view illustration of mounting rack in heat exchanger；

Fig. 5 is a kind of structural schematic diagram of shell in heat exchanger；

Fig. 6 is a kind of front view schematic diagram of end socket in heat exchanger；

Fig. 7 is a kind of top view illustration of end socket in heat exchanger；

In figure: 1- end socket, the first welding base of 2-, 3- shell, 4- nameplate frame, 5- coil pipe, 6- outer tube, 7- inner tube, 8- flange, 9- blind flange, 10- welding point, 11- plug screw, the second welding base of 12-, 13- mounting rack, 14- studs, 15- nut, 16- Gasket, 17- are threadedly coupled seat, 18- spirotallic gasket, 19- protective case.

Specific embodiment

The technical solution of the patent is explained in further detail With reference to embodiment.

The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.

In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.

In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this patent.

Fig. 1-7 is please referred to, a kind of heat exchanger, including end socket 1, shell 3, flange 8 and mounting rack 13 are present embodiments provided； In 3 left side of shell, 30 ° of chamferings are arranged in the outside suitable for reading of end socket 1 for the setting of end socket 1, and 1 wall thickness of end socket is 6mm, and below end socket 1 Mounting hole is set；The installation bore dia is1 diameter of end socket is 219mm；The 3 left side upper and lower position of shell point It is not provided with the first welding base 2；Plug screw 11 is set inside first welding base 2；3 top of shell is intermediate to be arranged nameplate Flange 8 is arranged on the right side of shell 3 for frame 4；Blind flange 9 is set on the right side of the flange 8, wound gasket is set between flange 8 and blind flange 9 Piece 18；Inner tube 7 and outer tube 6 are equipped with inside the shell 3；Two second welderings symmetrical above and below are arranged in 9 right side of blind flange Joint chair 12, and it is respectively provided with welding point 10 on the left of two the second welding bases 12, a coil pipe is respectively provided in two welding points 10 5, protective case 19 is also set up on every coil pipe 5, the coil pipe 5 inside the welding point 10 of top is wrapped in 6 lateral wall of outer tube, under Coil pipe 5 inside the welding point 10 of side is wrapped in 7 lateral wall of inner tube；Said inner tube 7 is arranged on the inside of outer tube 6, and inner tube 7, The axis of 3 three of outer tube 6 and shell is overlapped；The coil pipe 5 is single duplex coil, is used to guarantee by inner tube 7 and outer tube 6 Cold fluid and hot fluid counterflow heat exchange between shell 3 and coil pipe 5；Seat 17, method are threadedly coupled there are two also setting up on the right side of the blind flange 9 It is connected by studs 14 with nut 15 between blue lid 9 and flange 8, and gasket is set between studs 14 and nut 15 16；Mounting rack 13 is set below the shell 3；Protective case 19 is set in the mounting rack 13, and 13 wall thickness of mounting rack is 6mm, peace 13 are shelved as rectangle groove-like structure, and is provided with the fillet of R20 below mounting rack 13,13 bottom surface of mounting rack be arranged four having a size of The mounting hole of Φ 19；3 length of shell is 430mm, diameter 219mm；The model of the studs 14 without limitation, this In embodiment, it is preferred that 14 model M20 × 110 of studs；The model of the nut 15 without limitation, this implementation In example, it is preferred that the model M20 of the nut 15；19 material of protective case without limitation, in the present embodiment, it is preferred that The protective case 19 uses B30 copper-nickel alloy material, using the protective case of B30 copper-nickel alloy material, is greater than 1200ppm for chloride ion content Application operating condition have good corrosion resistance；3 material of shell without limitation, in the present embodiment, it is preferred that the shell 3 use austenitic stainless steel 316 L.

The working principle of the utility model is: cooling water by the second welding base below blind flange enter in shell inner tube with Between outer tube, flowed out by the second welding base above blind flange.

The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (9)

1. a kind of heat exchanger, characterized in that including end socket (1), shell (3), flange (8) and mounting rack (13)；The end socket (1) On the left of shell (3), 30 ° of chamferings are arranged in end socket (1) outside suitable for reading for setting, and end socket (1) wall thickness is 6mm, and sets below end socket (1) Set mounting hole；Upper and lower position is respectively arranged with the first welding base (2) on the left of the shell (3)；First welding base (2) is internal It is arranged plug screw (11)；Flange (8) are set on the right side of the shell (3)；Blind flange (9) are set on the right side of the flange (8), flange (8) Spirotallic gasket (18) are set between blind flange (9)；Inner tube (7) and outer tube (6) are equipped with inside the shell (3)；The flange Two the second welding bases (12) symmetrical above and below are arranged in lid (9) right side, and are respectively provided with weldering on the left of two the second welding bases (12) Connector (10), two welding points (10) are interior to be respectively provided with a coil pipe (5), also sets up protective case (19) on every coil pipe (5), The internal coil pipe (5) of the welding point (10) of top is wrapped in outer tube (6) lateral wall, the internal disk of the welding point (10) of lower section Pipe (5) is wrapped in inner tube (7) lateral wall；Said inner tube (7) setting is on the inside of outer tube (6), and inner tube (7), outer tube (6) and shell The axis of body (3) three is overlapped；Seat (17) are threadedly coupled there are two also setting up on the right side of the blind flange (9), blind flange (9) and method It is connected by studs (14) with nut (15) between blue (8), and gasket is set between studs (14) and nut (15) (16)；Mounting rack (13) are set below the shell (3)；Protective case (19) are set in the mounting rack (13).

2. a kind of heat exchanger according to claim 1, characterized in that intermediate above the shell (3) that nameplate frame is arranged (4)。

3. a kind of heat exchanger according to claim 1, characterized in that the coil pipe (5) is single duplex coil.

4. a kind of heat exchanger according to claim 1, characterized in that mounting rack (13) wall thickness is 6mm, mounting rack (13) it is rectangle groove-like structure, and is provided with the fillet of R20 below mounting rack (13), four sizes is arranged in mounting rack (13) bottom surface For the mounting hole of Φ 19.

5. a kind of heat exchanger according to claim 1, characterized in that shell (3) length is 430mm, and diameter is 219mm。

6. a kind of heat exchanger according to claim 1, characterized in that studs (14) model M20 × 110.

7. a kind of heat exchanger according to claim 1, characterized in that the model M20 of the nut (15).

8. a kind of heat exchanger according to claim 1, characterized in that the protective case (19) uses B30 copper-nickel alloy material.

9. a kind of heat exchanger according to claim 1 or 5, characterized in that the shell (3) uses austenitic stainless steel 316L。