CN213873917U

CN213873917U - Float head tube box of loop heat exchanger with lantern ring packing box

Info

Publication number: CN213873917U
Application number: CN202022758755.1U
Authority: CN
Inventors: 傅守法; 王宪法; 傅志强; 所超; 周扬
Original assignee: Shenyang Guangda Chemical Co ltd
Current assignee: Shenyang Guangda Chemical Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-03
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a return circuit heat exchanger area lantern ring packing box floating head case, which comprises a housin, both ends all are equipped with inserts cover about the casing, and two insert the cover and link to each other with the both ends welding of controlling of casing respectively, and the left side top of casing is equipped with A medium inlet, and the right side bottom of casing is equipped with A medium outlet, both ends all are equipped with the body about the casing is inside, and two all be equipped with the box on the body, and two the body respectively with two the box welding links to each other, and the box links to each other with the casing is pegged graft. This return circuit heat exchanger area lantern ring stuffing box floating head pipe case through inserting the cover, insert the cooperation between lid and the seal cover, under the effect in heat transfer storehouse, insert the circle of inserting that covers and insert in the seal groove, has improved the product quality of this return circuit heat exchanger area lantern ring stuffing box floating head pipe case, has saved user's purchasing cost, has avoided the wasting of resources of little floating head, is fit for using widely.

Description

Float head tube box of loop heat exchanger with lantern ring packing box

Technical Field

The utility model relates to a indirect heating equipment technical field specifically is a loop heat exchanger takes lantern ring packing box floating head pipe case.

Background

Heat exchangers commonly used in the petrochemical industry at present comprise a shell-and-tube heat exchanger and a double-tube heat exchanger, wherein the shell-and-tube heat exchanger is divided into different types such as a U-shaped tube heat exchanger, a fixed tube plate heat exchanger, a floating head heat exchanger and the like; the floating head type heat exchanger is one of numerous heat exchangers, also is one of common equipment in life, floating head type heat exchanger, only one end is fixed with the casing in the tube sheet of both ends, the other end can freely move relative to the casing, be called floating head, floating head comprises floating tube sheet, hook ring, little floating head and floating head end cover, be releasable connection, the tube bank can be taken out in the casing, the heat altered shape of tube bank and casing is each other retrained, therefore can not produce the thermal stress, its advantage is that cleaning scale removal is convenient in the intertube and intraductal, can not produce the thermal stress, the shortcoming is that little floating head easily takes place interior hourglass, to these circumstances, for avoiding above-mentioned technical problem, it is necessary to provide a return circuit heat exchanger area lantern ring packing box floating head case in order to overcome prior art the defect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loop heat exchanger takes lantern ring packing box floating head pipe case to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a loop heat exchanger floating header box with a lantern ring stuffing comprises a shell, wherein both the left end and the right end of the shell are provided with access sleeves, two access sleeves are respectively connected with the left end and the right end of the shell in a welding manner, the left top of the shell is provided with a medium inlet, the right bottom of the shell is provided with a medium outlet, both the left end and the right end of the interior of the shell are provided with pipes, two pipes are respectively provided with a box body, the two pipes are respectively connected with the two box bodies in a welding manner, the box bodies are connected with the shell in an inserting manner, the heat exchange pipes are arranged in the pipes, the heat exchange pipes are connected with the pipe bodies in a welding manner, the first baffle and the second baffle are respectively connected with the heat exchange pipes in a welding manner, the space between the first baffle and the second baffle is the same, and the first baffle and the second baffle are distributed on the heat exchange pipes in an arched manner, the access cover is provided with a sealing groove at the joint of the box body, an access cover is sleeved outside the box body, an insertion ring is arranged on the access cover, the insertion ring and the access cover are integrally arranged, the insertion ring is connected with the sealing groove in an inserting mode, a sealing block is arranged at the joint of the insertion ring and the sealing groove, the insertion ring, the sealing block and the sealing groove are all in an annular shape, the box body is provided with box sleeves at the left end and the right end and two end, the box sleeves are respectively connected with the box body in a welding mode, box covers are arranged at the left end and the right end of the box sleeves and respectively connected with box cover bolts, and the box covers are respectively connected with the box covers in a bolt mode, and are respectively provided with a B medium inlet and a B medium outlet, the B medium inlet is located on the left side of the shell, the B medium outlet is located on the right side of the shell, a heat exchange bin is arranged inside the box body, and the heat exchange bin is connected with the heat exchange tube.

Preferably, the handing-over department of case cover and case lid is equipped with rand respectively and keeps off the ring, and rand and fender ring all are "annular", and keep off ring and case lid and set up as an organic whole, and rand and case cover set up as an organic whole, and the diameter that keeps off the ring is less than the diameter of rand, and keeps off the ring and link to each other with the rand joint.

Preferably, the left side and the right side of the bottom of the shell are both provided with supporting legs, and the supporting legs are connected with the shell in a welding mode.

Preferably, the top of box is equipped with box hoisting ring, and two box hoisting ring links to each other with the box welding respectively.

Preferably, the top of the box cover is provided with a top cover hoisting ring, and the two top cover hoisting rings are respectively connected with the box cover in a welding way.

Compared with the prior art, the beneficial effects of the utility model are that: the loop heat exchanger packing box floating head pipe box with the sleeve is characterized in that through the matching of the access sleeve, the access cover and the sealing sleeve, under the action of a heat exchange bin, the insertion ring on the access cover is inserted into the sealing groove to extrude the sealing block in the sealing groove, so that the sealing block is deformed under pressure, and the sudden death is formed at the joint of the box body and the shell, thereby greatly improving the sealing performance, overcoming the defect that the small floating head of the traditional floating head type heat exchanger is easy to leak in the floating head end cover, overcoming the defect that the existing floating head type heat exchanger seals the shell by the small floating head and the floating head end cover, having single connection structure and high replacement rate of the small floating head, improving the working efficiency and the service life of the loop heat exchanger packing box with the sleeve and the floating head pipe box with the sleeve, avoiding the small floating head appearing inner leakage in the floating head end cover and having high replacement rate, the defect of increased use cost is overcome, the loop heat exchanger packing box floating header pipe box can be recognized more on the market, the access cover is connected with the access cover by bolts, the disassembly and assembly between the box body and the shell are convenient, the heating pipe on the pipe body is easy to replace and remove scale, the shell and the box body can be connected and fixed by matching with hoisting equipment under the action of the box body hoisting ring and the top cover hoisting ring, the installation strength is reduced, turbulence is increased, dead zones are reduced, the flow is increased, the heat exchange effect is improved, the heat exchange pipe is supported and positioned under the action of the double-arch baffle plate, the heat exchange pipe is more stable, the back flushing and scale removal can be carried out in the heat exchange bin through the medium inlet B and the medium outlet B, the product quality of the loop heat exchanger packing box floating header pipe box is improved, and the purchase cost of a user is saved, the resource waste of the small floating head is avoided, and the method is suitable for popularization and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a conventional heat exchanger;

FIG. 3 is a schematic view of the structure of FIG. 1 at C;

fig. 4 is the structure schematic diagram of the box cover, the box cover and the heat exchange bin of the utility model.

In the figure: 1. the heat exchange device comprises a shell, 2, a pipe sleeve, 3, a heat exchange pipe, 4, support legs, 5, a first baffle plate, 6, a second baffle plate, 7, a medium inlet, 8, a medium outlet, 9, an access sleeve, 10, an access cover, 11, a sealing groove, 12, a box body, 13, a box sleeve, 14, a box cover, 15, a heat exchange bin, 16, a medium inlet, 17, a medium outlet, 18, a clamping ring, 19, a retaining ring, 20, an insertion ring, 21, a sealing block, 22, a box body hoisting ring, 23 and a top cover hoisting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a loop heat exchanger stuffing box floating header pipe box with a sleeve ring comprises a shell 1, wherein the shell 1 is made of metal and is used for bearing medium A and exchanging heat for medium B in a heat exchange pipe 3, the left end and the right end of the shell 1 are respectively provided with an access sleeve 9, the access sleeves 9 are used for connecting access covers 10, the two access sleeves 9 are respectively connected with the left end and the right end of the shell 1 in a welding way, the left top of the shell 1 is provided with a medium inlet 7A, the right bottom of the shell 1 is provided with a medium outlet 8A, the left end and the right end inside the shell 1 are respectively provided with a pipe body 2, the pipe bodies 2 are used for fixing the heat exchange pipe 3 and enabling the connection of the rest pipe bodies 2 of the heat exchange pipe 3 to be more stable, the two pipe bodies 2 are respectively provided with a box body 12, the box body 12 is used for bearing medium B, so that the medium B exchanges heat with the medium A outside the heating pipe 3 through the heating pipe 3, and the two pipe bodies 2 are respectively connected with the two box bodies 12 in a welding way, the box body 12 is connected with the shell 1 in an inserting way, 20 heat exchange tubes 3 are arranged inside the tube body 2, the heat exchange tubes 3 are connected with the tube body 2 in a welding way, a first baffle plate 5 and a second baffle plate 6 are respectively arranged on the heat exchange tubes 3, the first baffle plate 5 and the second baffle plate 6 are both connected with the heat exchange tubes 3 in a welding way, the first baffle plate 5 and the second baffle plate 6 are used for increasing the flow, reducing dead zones and improving heat exchange efficiency, the space between the first baffle plate 5 and the second baffle plate 6 is the same, the first baffle plate 5 and the second baffle plate 6 are distributed on the heat exchange tubes 3 in an arched way, a sealing groove 11 is arranged at the joint of the access sleeve 9 and the box body 12, the sealing groove 11 is used for accommodating a sealing block 21, an access cover 10 is sleeved outside the box body 12, an inserting ring 20 is arranged on the access cover 10, the inserting ring 20 is used for continuously screwing bolts when the cover 10 is fixedly added, the pressure of the insert ring 20 on the sealing block 21 is continuously increased, the sealing block 21 is stressed and deformed, the joint of the box body 12 and the shell 1 is violently dead, the joint of the box body 12 and the shell 1 is sealed, the joint of the box body 12 and the shell 1 is prevented from leaking, the insert ring 20 and the access cover 10 are integrally arranged, the insert ring 20 is connected with the sealing groove 11 in an inserting mode, the sealing block 21 is arranged at the joint of the insert ring 20 and the sealing groove 11, the sealing block 21 is insulating sealant and is high-temperature-resistant, the material of the sealing block 21 is nitrile rubber, the insert ring 20, the sealing block 21 and the sealing groove 11 are all in an annular shape, box sleeves 13 are arranged at the left end and the right end of the box body 12, the box sleeves 13 are used for being connected with a box cover 14 to seal the box body 12, the two box sleeves 13 are respectively connected with the box body 12 in a welding mode, box covers 14 are arranged at the left end and the right end, the inside of the heat exchange bin 15 can be backwashed through the outlet and the inlet of the medium B, the two box covers 14 are respectively connected with the box sleeve 13 through bolts, the two box covers 14 are respectively provided with the medium B inlet 16 and the medium B outlet 17, the medium B inlet 16 is positioned on the left side of the shell 1, the medium B outlet 17 is positioned on the right side of the shell 1, the heat exchange bin 15 is arranged inside the box body 12, the heat exchange bin 15 is used for containing the medium B, the two heat exchange bins 15 are connected through the heat exchange tube 3, the joint of the box sleeve 13 and the box cover 14 is respectively provided with a clamping ring 18 and a baffle ring 19, the clamping ring 18 and the baffle ring 19 can seal the joint of the box covers 14 and the box sleeve 13, so that the connection of the rest box sleeves 13 of the box covers 14 is tighter, the clamping ring 18 and the baffle ring 19 are both in an annular shape, the baffle ring 19 and the box cover 14 are integrally arranged, the clamping ring 18 and the box sleeve 13 are integrally arranged, and the diameter of the baffle ring 19 is smaller than that of the clamping ring 18, and keep off ring 19 and rand 18 joint and link to each other, the left and right sides of 1 bottom of casing all is equipped with supporting leg 4, and two supporting legs 4 link to each other with 1 welding of casing, the top of box 12 is equipped with box hoist and mount ring 22, and two box hoist and mount ring 22 link to each other with box 12 welding respectively, the top of case lid 14 is equipped with top cap hoist and mount ring 23, and two top cap hoist and mount rings 23 link to each other with 14 welding of case lid respectively and top cap hoist and mount ring 23 and box hoist and mount ring 22 are used for connecting external hoist device, it is more convenient to make the equipment of box 12 and casing 1.

A loop heat exchanger packing box floating header pipe box with a loop is composed of a shell 1, a pipe body 2, a heat exchange pipe 3, support legs 4, a first baffle plate 5, a second baffle plate 6, a medium inlet 7, a medium inlet 8B, an access sleeve 9, an access cover 10, a sealing groove 11, a box body 12, a box sleeve 13, a box cover 14, a heat exchange bin 15, a medium inlet 16B, a medium outlet 17B, a clamping ring 18, a baffle ring 19, an inserting ring 20, a sealing block 21, a box body hoisting ring 22 and a top cover hoisting ring 23 The dead zone is reduced, the flow is increased, the heat exchange of the medium A is more sufficient, the medium A flows out of the shell 1 through the medium A outlet 8, the medium B enters the box body 12 through the medium B inlet 16, the heat exchange bin 15 of the box body 12 at the left end of the shell 1 is full of the medium B, the medium B flows to the heat exchange bin 15 at the right end of the shell 1 from the heat exchange bin 15 at the left end of the shell 1 through the heat exchange tube 3, the medium B is in the flowing process, the medium A completes the heat exchange of the medium B, and the heat exchange work of the loop heat exchanger with the sleeved packing box floating head tube box is completed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a return circuit heat exchanger takes lantern ring packing box floating head case, includes casing (1), its characterized in that: the heat exchanger is characterized in that the left end and the right end of the shell (1) are respectively provided with an access sleeve (9), the two access sleeves (9) are respectively connected with the left end and the right end of the shell (1) in a welding manner, the left top of the shell (1) is provided with an A medium inlet (7), the right bottom of the shell (1) is provided with an A medium outlet (8), the left end and the right end of the inside of the shell (1) are respectively provided with a pipe body (2), the two pipe bodies (2) are respectively provided with a box body (12), the two pipe bodies (2) are respectively connected with the two box bodies (12) in a welding manner, the box bodies (12) are connected with the shell (1) in an inserting manner, the inside heat exchange tubes (3) of the pipe bodies (2) are provided with a plurality of heat exchange tubes (3), the heat exchange tubes (3) are connected with the pipe bodies (2) in a welding manner, and the heat exchange tubes (3) are respectively provided with a first baffle plate (5) and a second baffle (6), the first baffle plate (5) and the second baffle plate (6) are connected with the heat exchange tube (3) in a welding mode, the distance between the first baffle plate (5) and the second baffle plate (6) is the same, the first baffle plate (5) and the second baffle plate (6) are distributed on the heat exchange tube (3) in an arched mode, a sealing groove (11) is formed in the joint of the insertion sleeve (9) and the box body (12), an insertion cover (10) is sleeved outside the box body (12), an insertion ring (20) is arranged on the insertion cover (10), the insertion ring (20) and the insertion cover (10) are integrally arranged, the insertion ring (20) is connected with the sealing groove (11) in an insertion mode, a sealing block (21) is arranged at the joint of the insertion ring (20) and the sealing groove (11), the insertion ring (20), the sealing block (21) and the sealing groove (11) are all in an annular mode, and box sleeves (13) are arranged at the left end and the right end of the box body (12), and two case cover (13) link to each other with box (12) welding respectively, and both ends all are equipped with case lid (14), and two about case cover (13) case lid (14) respectively with case cover (13) bolted connection, and two be equipped with B medium entry (16) and B medium export (17) on case lid (14) respectively, and B medium entry (16) are located the left side of casing (1), and B medium export (17) are located the right side of casing (1), and the inside of box (12) is equipped with heat exchange storehouse (15), and two heat exchange storehouse (15) link to each other through heat exchange tube (3).

2. The loop heat exchanger ringed stuffing box header box according to claim 1, wherein: box cover (13) are equipped with rand (18) and keep off ring (19) respectively with handing-over department of case lid (14), and rand (18) all are "annular" with keeping off ring (19), and keep off ring (19) and case lid (14) and set up as an organic whole, and rand (18) and box cover (13) set up as an organic whole, and the diameter that keeps off ring (19) is less than the diameter of rand (18), and keeps off ring (19) and rand (18) joint and link to each other.

3. The loop heat exchanger ringed stuffing box header box according to claim 1, wherein: the left and right sides of casing (1) bottom all is equipped with supporting leg (4), and two supporting leg (4) link to each other with casing (1) welding.

4. The loop heat exchanger ringed stuffing box header box according to claim 1, wherein: the top of box (12) is equipped with box hoist and mount ring (22), and two box hoist and mount ring (22) link to each other with box (12) welding respectively.

5. The loop heat exchanger ringed stuffing box header box according to claim 1, wherein: the top of case lid (14) is equipped with top cap hoisting ring (23), and two top cap hoisting ring (23) link to each other with case lid (14) welding respectively.