CN213067204U - Safety high-pressure heat exchanger - Google Patents

Abstract

The utility model discloses a safe type high pressure heat exchanger, including casing and pipe case, the inlet has been seted up with pipe case upper surface salient position to the casing, the liquid outlet has been seted up with pipe case lower surface salient position to the casing, the inside fixed mounting of casing has the baffling board, casing both sides fixed mounting has fixed tube sheet, the casing both sides are through fixed tube sheet and pipe case fixed connection, the inside movable mounting of pipe case has the floating head, casing internally mounted has the heat-transfer pipe, fixed surface installs the casing support under the casing. A safe type high pressure heat exchanger, can prevent that impurity from getting into the heat-transfer pipe jam that leads to for the heat-transfer pipe is difficult for blockking up, reduces the cost that long-term change brought too high, can make heat-transfer pipe convenient to detach and installation more, thereby can be convenient for more wash and change the heat-transfer pipe, and the stringing is more, the structure is compacter, is showing and is improving heat exchange efficiency, greatly reduces the difference in temperature stress, increases the life of heat exchanger.

Description

Safety high-pressure heat exchanger

Technical Field

The utility model relates to a heat exchanger field, in particular to safe type high pressure heat exchanger.

Background

The heat exchanger is equipment for transferring partial heat of hot fluid to cold fluid, also called as heat exchanger, the heat exchanger plays an important role in chemical industry, petroleum, power, food and other industrial production, the heat exchanger can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical production, and the application is wide; the existing high-pressure heat exchanger has certain defects when in use, impurities can easily enter the high-pressure heat exchanger when liquid is put into the high-pressure heat exchanger, so that a pipeline is blocked, the traditional heat exchanger is not easy to disassemble, an internal pipeline is inconvenient to clean, the pipeline is easy to corrode, the service life is greatly shortened, and therefore the safe high-pressure heat exchanger is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a safe type high pressure heat exchanger can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a safe type high pressure heat exchanger, includes casing and pipe case, the inlet has been seted up with pipe case upper surface salient position to the casing, the liquid outlet has been seted up with pipe case lower surface salient position to the casing, the inside fixed mounting of casing has the baffling board, casing both sides fixed mounting has fixed tube sheet, the casing both sides are through fixed tube sheet and pipe case fixed connection, the inside movable mounting of pipe case has the floating head, casing internally mounted has the heat-transfer pipe, fixed surface installs the casing support under the casing.

Preferably, the floating head is composed of a floating head end cover and a hook ring, a floating head flange is fixedly mounted at the edge of the floating head end cover, the floating head flange is fixedly mounted on the upper surface of the hook ring through a floating head bolt, a heat transfer pipe cover is movably mounted between the floating head flange and the hook ring, and one side of the heat transfer pipe is embedded and mounted inside the heat transfer pipe cover.

Preferably, the floating head flange is fixedly connected with the floating head end cover through welding, the heat transfer pipe and the floating head structure can freely stretch out and draw back in the pipe box along the axial direction, the hook ring is fixedly installed on the inner surface of the shell, and the hook ring is sealed with the shell to prevent the inlet liquid from penetrating into the baffle plate.

Preferably, the fixed tube plate is fixedly connected with the tube boxes on two sides of the shell through fixing screws, the liquid inlet is respectively installed on the upper surface of the shell and the upper surface of the tube box, and the liquid outlet is respectively installed on the lower surface of the shell and the lower surface of the tube box.

Preferably, the inlet internally mounted has the filter screen, there is the couple inlet port department, the filter screen hangs inside the inlet through the couple.

Preferably, the heat transfer pipe comprises straight heat exchange pipes, the heat transfer pipe is inserted between the baffle plates, the number of the shell supports is two, the height of the liquid outlet on the lower surface of the shell is smaller than that of the shell supports fixedly installed on the lower surface of the shell, sealing rubber rings are arranged at the joints of the fixed pipe plate and the heat transfer pipe to maintain sealing, the hot liquid and the cold liquid are prevented from being mixed, and the whole heat exchanger is good in sealing performance.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the filter screen that sets up, the filter screen can filter and put into the inside impurity of liquid, thereby can prevent that impurity from getting into the heat-transfer pipe jam that leads to, make the heat-transfer pipe be difficult for blockking up, it is too high to reduce the cost that long-term change brought, through the heat transfer tube lid that sets up, the heat transfer tube lid cooperation floats the head and can make heat-transfer pipe convenient to detach and installation more, thereby can be convenient for more wash and change the heat-transfer pipe, and the stringing is more, the structure is compacter, show and improve heat exchange efficiency, greatly reduce the temperature difference stress, increase.

Drawings

Fig. 1 is a schematic view of the overall structure of a safety high-pressure heat exchanger of the present invention;

fig. 2 is a partial sectional view of a safety high-pressure heat exchanger according to the present invention;

fig. 3 is a partial sectional view of the floating head of the safety high-pressure heat exchanger of the present invention;

fig. 4 is an enlarged view of a position a in fig. 1 of the safety type high-pressure heat exchanger of the present invention.

In the figure: 1. a housing; 2. a pipe box; 3. floating head; 301. a floating head end cover; 302. hooking a loop; 303. a floating head flange; 304. a floating head bolt; 305. a heat transfer tube cover; 4. a liquid inlet; 401. a filter screen; 402. hooking; 5. a liquid outlet; 6. fixing the tube plate; 601. a set screw; 7. a heat transfer tube; 8. a baffle plate; 9. a housing support.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

As shown in fig. 1-4, a safe high-pressure heat exchanger includes a casing 1 and a pipe box 2, a liquid inlet 4 is disposed at a position where the upper surfaces of the casing 1 and the pipe box 2 protrude, a liquid outlet 5 is disposed at a position where the lower surfaces of the casing 1 and the pipe box 2 protrude, a baffle plate 8 is fixedly installed inside the casing 1, fixed tube plates 6 are fixedly installed at two sides of the casing 1, two sides of the casing 1 are fixedly connected with the pipe box 2 through the fixed tube plates 6, a floating head 3 is movably installed inside the pipe box 2, a heat transfer pipe 7 is installed inside the casing 1, and a casing support;

the floating head 3 consists of a floating head end cover 301 and a hook ring 302, a floating head flange 303 is fixedly arranged at the edge of the floating head end cover 301, the floating head flange 303 is fixedly arranged on the upper surface of the hook ring 302 through a floating head bolt 304, a heat transfer pipe cover 305 is movably arranged between the floating head flange 303 and the hook ring 302, and one side of a heat transfer pipe 7 is embedded in the heat transfer pipe cover 305; the floating head flange 303 is fixedly connected with the floating head end cover 301 through welding, the heat transfer pipe 7 and the floating head structure can freely extend and retract along the axial direction in the pipe box 2, the hook ring 302 is fixedly arranged on the inner surface of the shell 1, and the hook ring and the shell are sealed to prevent the inlet liquid from permeating into a baffle plate; the fixed tube plate 6 is fixedly connected with the tube boxes 2 on two sides of the shell 1 through fixing screws 601, the liquid inlet 4 is respectively arranged on the upper surfaces of the shell 1 and the tube boxes 2, and the liquid outlet 5 is respectively arranged on the lower surfaces of the shell 1 and the tube boxes 2; a filter screen 401 is arranged in the liquid inlet 4, a hook 402 is arranged at the port of the liquid inlet 4, and the filter screen 401 is hung in the liquid inlet 4 through the hook 402; the heat-transfer pipe 7 comprises straight heat exchange tube, and the heat-transfer pipe 7 alternates between baffling board 8, and the quantity of casing support 9 is two, and 1 lower surface liquid outlet 5 of casing highly is less than 1 lower surface fixed mounting's of casing support 9, and fixed tube sheet and heat-transfer pipe junction all have the sealing rubber circle to keep sealed, prevent that hot income liquid and cold income liquid from mixing, and whole heat exchanger leakproofness is good.

It should be noted that, the utility model relates to a safe type high pressure heat exchanger, when using, firstly, hot liquid is poured into the pipe box 2 through the liquid inlet 4 on the upper surface of the floating head 3, then cold liquid is poured into the pipe box from the liquid inlet 4 on the upper surface of the shell 1, when pouring twice, the filter net 401 arranged inside the liquid inlet 4 can effectively filter out impurities, prevent the impurities from mixing in, and lead to the blockage of the heat transfer pipe 7, when the liquid inlet 4 is opened, the liquid outlet 5 keeps the closed state, the hot liquid flows into the floating head 3, then enters the heat transfer pipe 7 through the heat transfer pipe cover 305, the cold liquid enters the shell 1, through the baffle plate 8, the internal reflux is carried out, the heat of the heat transfer pipe 7 is absorbed, when the internal pressure is increased, the floating head 3 can move inside the pipe box 2 to reduce the extrusion of the heat transfer pipe 7 by high pressure, the inside hydrothermal solution of heat-transfer pipe 7 flows after entering pipe case 2, when the heat exchanger needs to be cleaned, can pull down floating head 3, unscrew floating head bolt 304 again, pull down floating head end cover 301, take out heat-transfer pipe 7 gently along heat-transfer pipe lid 305, be convenient for wash and replace, filter screen 401 in inlet 4, also can pull down the washing, during the installation, transversely insert heat-transfer pipe 7 along heat-transfer pipe lid 305, need exert certain extrusion force with heat-transfer pipe 7, in order to guarantee heat-transfer pipe 7 and fixed tube sheet 6 internal seal rubber circle sealing connection, prevent that the hydrothermal solution from permeating in cold liquid and mix, whole heat exchanger outside casing 1 and both sides pipe case 2 are through fixed tube sheet 6 and set screw 601 fixed connection, guarantee its leakproofness.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a safe type high pressure heat exchanger which characterized in that: including casing (1) and pipe case (2), inlet (4) have been seted up with pipe case (2) upper surface salient position in casing (1), liquid outlet (5) have been seted up with pipe case (2) lower surface salient position in casing (1), casing (1) inside fixed mounting has baffling board (8), casing (1) both sides fixed mounting has fixed tube sheet (6), casing (1) both sides are through fixed tube sheet (6) and pipe case (2) fixed connection, pipe case (2) inside movable mounting has floating head (3), casing (1) internally mounted has heat-transfer pipe (7), casing (1) lower surface fixed mounting has casing support (9).

2. A safety high pressure heat exchanger according to claim 1, wherein: the floating head (3) is composed of a floating head end cover (301) and a hook ring (302), a floating head flange (303) is fixedly installed at the edge of the floating head end cover (301), the floating head flange (303) is fixedly installed on the upper surface of the hook ring (302) through a floating head bolt (304), a heat transfer pipe cover (305) is movably installed between the floating head flange (303) and the hook ring (302), and the heat transfer pipe (7) is installed inside the heat transfer pipe cover (305) in an embedded mode on one side.

3. A safety high pressure heat exchanger according to claim 2, wherein: the floating head flange (303) is fixedly connected with the floating head end cover (301) through welding, and the hook ring (302) is fixedly installed on the inner surface of the shell (1).

4. A safety high pressure heat exchanger according to claim 1, wherein: the fixed tube plate (6) is fixedly connected with the tube boxes (2) on the two sides of the shell (1) through fixing screws (601), the liquid inlet (4) is respectively installed on the upper surfaces of the shell (1) and the tube boxes (2), and the liquid outlet (5) is respectively installed on the lower surfaces of the shell (1) and the tube boxes (2).

5. A safety high pressure heat exchanger according to claim 4, wherein: liquid inlet (4) internally mounted has filter screen (401), there is couple (402) liquid inlet (4) port department, filter screen (401) hang inside liquid inlet (4) through couple (402).

6. A safety high pressure heat exchanger according to claim 1, wherein: the heat transfer pipe (7) is composed of straight heat exchange pipes, the heat transfer pipe (7) is inserted between the baffle plates (8), the number of the shell supports (9) is two, and the height of the liquid outlet (5) on the lower surface of the shell (1) is smaller than that of the shell supports (9) fixedly arranged on the lower surface of the shell (1).

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