CN211178102U - Heat exchanger suitable for large-diameter shell pipeline - Google Patents

Abstract

The utility model discloses a heat exchanger suitable for heavy-calibre casing pipeline, pipe case including case lid and shell structure, case lid and pipe case welding, the round hole has been seted up at one side top of pipe case, the welding is equipped with shell side takeover in the round hole, the round hole bottom is provided with the blow off pipe, the in-connection has the bearing structure who supports pipe case position part around the round hole in the shell side takeover, pipe case bottom is provided with the alarm device who in time reports to the police when shell side takeover breaks down. The utility model discloses a welding of first bracing piece and shell side takeover inner wall for liquid at higher flow carries out the supporting role to the pipeline when getting into shell side takeover, prevents that pressure from leading to the pipeline to warp excessively, the support of second bracing piece increases the intensity of pipe case trompil department simultaneously, and set up alarm device, if the pipeline is impaired during the use, thereby be located the outside alarm lamp of pipe case and will light and remind the staff to notice the maintenance, avoid causing bigger loss of property and danger.

Description

Heat exchanger suitable for large-diameter shell pipeline

Technical Field

The utility model relates to a heat exchanger technical field especially relates to a heat exchanger suitable for heavy-calibre casing pipeline.

Background

The heat exchanger is an energy-saving equipment for transferring heat between two or more than two kinds of fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature so as to make the temperature of the fluid reach the index specified by the process to meet the requirements of process conditions, and is also one of main equipment for improving the energy utilization rate. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

The work of heat exchanger divide into two sections work routes of shell side and tube side, and the shell side often is the work end that required medium needs cool off or heat, the flow is great, to current heat exchanger, shell side pipe union pipe is often less, because reduce and stress concentration makes trompil marginal stress increase and intensity receive the weakening because of bearing area behind the casing trompil, for making the hole marginal stress descend to need carry out the reinforcement within the allowed band, but the required intensity requirement of trompil of heavy-calibre can't be satisfied in the trompil reinforcement, make the not high efficiency of current heat exchanger work, heat transfer speed is slower, influence production, on the basis, the utility model relates to a heat exchanger suitable for heavy-calibre casing pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat exchanger suitable for a large-diameter shell pipeline.

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

the utility model provides a heat exchanger suitable for heavy-calibre casing pipeline, includes case lid and shell structure's pipe case, case lid and pipe case welding, the round hole has been seted up at one side top of pipe case, the welding is equipped with shell side takeover in the round hole, the round hole bottom is provided with the blow off pipe, shell side takeover in-connection has the bearing structure who supports the part of pipe case position around the round hole, pipe case bottom is provided with the alarm device who in time reports to the police when shell side takeover breaks down.

Preferably, a shell flange is welded on one side, away from the box cover, of the tube box, the shell flange is abutted to a tube plate, a heat exchanger shell is welded on the tube plate, and a tube pass connecting tube is arranged on the shell.

Preferably, the support structure comprises a plurality of first support rods, the first support rods are all welded at the joint of the shell side connecting pipe and the pipe box, and a sphere is welded at one end, far away from the inner wall of the shell side connecting pipe, of each first support rod.

Preferably, a plurality of second support rods which are obliquely arranged are welded on the inner wall of the tube box, the second support rods are connected with a positioning shaft together, and the positioning shaft is welded on the inner wall of the tube box.

Preferably, the alarm device comprises an annular groove, the annular groove is formed in the bottom of the tube box, a plurality of spring pieces are arranged in the annular groove, each spring piece is provided with a second support rod located on the side face of the spring piece, the bottom of each spring piece is fixedly connected with an alarm lamp, and a lamp tube part of the alarm lamp is located outside the tube box.

Preferably, the two ends of the second support rod are respectively arranged on the bottom wall and the top wall of the tube box, an included angle between the two ends of the second support rod and the ground is set to be 45-60 degrees, the number of the first support rod and the number of the second support rod are four, a plurality of bolts are fixedly connected to the annular joint of the shell flange and the tube box, and each bolt is simultaneously in threaded connection with the shell flange and the tube box.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a welding of the first bracing piece that a plurality of rings form set up and shell side takeover inner wall for liquid at higher flow carries out the supporting role to the pipeline when getting into shell side takeover, prevents that pressure from leading to the pipeline to warp excessively, and the second bracing piece makes the intensity of the large aperture trompil department of this device pipe case satisfy the intensity requirement to the support of being close to shell side takeover and pipe case inner wall junction simultaneously.

2. The utility model discloses the bottom that lies in the second bracing piece simultaneously sets up alarm device for if the pipeline is impaired when using, then the second bracing piece can drive the spring leaf compression at the slip of pipe case diapire, makes the alarm lamp that lies in the outside of pipe case light, thereby reminds the staff to notice the maintenance, avoids causing bigger loss of property and danger.

Drawings

Fig. 1 is a schematic structural diagram of a heat exchanger suitable for a large-diameter shell pipeline provided by the present invention;

fig. 2 is a side view of a heat exchanger suitable for a large-diameter shell pipe according to the present invention;

fig. 3 is a top view of a shell-side connection tube in a heat exchanger suitable for a large-diameter shell pipeline according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in the heat exchanger suitable for the large-diameter shell pipeline provided by the utility model.

In the figure: the device comprises a box cover 1, a box header 2, a shell pass connecting pipe 3, a shell flange 4, a tube plate 5, a tube pass connecting pipe 6, a bolt 7, a sewage discharge pipe 8, a reinforcing ring 9, a second supporting rod 10, a positioning shaft 11, a sphere 12, a first supporting rod 13, an annular groove 14, a spring piece 15 and an alarm lamp 16.

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.

Referring to fig. 1-4, a heat exchanger suitable for a large-diameter shell pipeline comprises a box cover 1 and a pipe box 2 of a shell structure, wherein the box cover 1 and the pipe box 2 are welded, a round hole is formed in the top of one side of the pipe box 2, a shell pass connecting pipe 3 is welded in the round hole, a drain pipe 8 is arranged at the bottom of the round hole, a supporting structure for supporting the part, located around the round hole, of the pipe box 2 is connected in the shell pass connecting pipe 3, and an alarm device for timely alarming when the shell pass connecting pipe 3 breaks down is arranged at the bottom of the.

Case lid 1 was kept away from to pipe case 2 one side welding has casing flange 4, casing flange 4 offsets there is tube sheet 5, 5 welding of tube sheet have heat exchanger shell, be provided with tube side takeover 6 on the casing, bearing structure includes a plurality of first bracing piece 13, a plurality of first bracing piece 13 all weld in the junction of shell side takeover 3 and pipe case 2, the common welding of one end that 3 inner walls were taken over to shell side was kept away from to a plurality of first bracing piece 13 has spheroid 12, make a plurality of first bracing piece 13 make up the structure that 3 inner walls were taken over to one support shell side jointly, the incompressible of pole makes the pipeline inner wall can not take place the shrink deformation.

The inner wall of the tube box 2 is welded with a plurality of inclined second supporting rods 10, the plurality of second supporting rods 10 are jointly connected with a positioning shaft 11, the positioning shaft 11 is welded on the inner wall of the tube box 2, the alarm device comprises an annular groove 14, the annular groove 14 is formed in the bottom of the tube box 2, a plurality of spring pieces 15 are arranged in the annular groove 14, one second supporting rod 10 of each spring piece 15 is located on the side face of the spring piece 15, the bottom of each spring piece 15 is fixedly connected with an alarm lamp 16, a lamp tube part of each alarm lamp 16 is located on the outer portion of the tube box 2, a lamp cap part of each alarm lamp 16 is located in the tube box 2 and is connected with the spring piece 15, when the spring pieces 15 are deformed under pressure, the alarm lamp 16 is turned on, two ends of the second supporting rods 10 are respectively arranged on the bottom wall and the top wall of the tube box 2 and form an included, the number of the first supporting rods 13 and the second supporting rods 10 is four, a plurality of bolts 7 are fixedly connected to the annular connecting part of the shell flange 4 and the tube plate 5, and each bolt 7 is simultaneously in threaded connection with the shell flange 4 and the tube plate 5.

In the utility model, when the diameter of the shell side connecting pipe 3 is larger, a circle of reinforcing ring 9 is welded at the opening of the pipe box 2, so that the opening strength of the outer wall of the pipe box 2 is improved, and meanwhile, a plurality of first supporting rods 13 in the shell side connecting pipe 3 are annularly arrayed on the inner wall of the shell side connecting pipe 3, so that the supporting and protecting effects on the pipeline are achieved under the supporting effect of the rods, and when the diameter is larger and the shell side liquid with higher flow flows through the pipeline, the compression deformation is avoided;

meanwhile, a plurality of second support rods 10 are welded on the outer circle of the opening on the inner wall of the tube box 2, and the other ends of the second support rods are fixed on the inner wall of the bottom of the tube box 2, so that the shell-side liquid passing through the tube box 2 is positioned on the inner wall of the opening position of the shell-side connecting tube 3, the device cannot be damaged, and the opening strength of the inner wall of the tube box 2 is improved;

besides, when the inner wall of the tube box 2 is deformed due to too fast flow rate of the liquid, because one end of the second support rod 10 is connected with the deformation part and the other end is connected with the bottom of the inner wall of the tube box 2, taking fig. 1 as an example, when the part on the left side is deformed, the inner wall of the tube box 2 is collapsed, the corresponding second support rod 10 rotates anticlockwise, due to the limiting effect of the positioning shaft 11, the other end of the second support rod 10 moves rightwards and generates pressure on the spring piece 15 on the right side, so that the alarm lamp 16 fixed with the spring piece 15 is lightened, a worker is reminded of needing to maintain the device, and greater property loss and danger caused by flow impact are avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a heat exchanger suitable for heavy-calibre casing pipeline, pipe case (2) including case lid (1) and shell structure, a serial communication port, case lid (1) and pipe case (2) welding, the round hole has been seted up at one side top of pipe case (2), the welding is equipped with shell side takeover (3) in the round hole, the round hole bottom is provided with blow off pipe (8), it has support tube case (2) to be located the bearing structure of part around the round hole to connect in shell side takeover (3), pipe case (2) bottom is provided with the alarm device who in time reports to the police when shell side takeover (3) breaks down.

2. The heat exchanger applicable to the large-diameter shell pipeline is characterized in that a shell flange (4) is welded on one side, away from the box cover (1), of the box header (2), a tube plate (5) abuts against the shell flange (4), a heat exchanger shell is welded on the tube plate (5), and a tube side connecting tube (6) is arranged on the shell.

3. The heat exchanger suitable for the large-caliber shell pipeline is characterized in that the supporting structure comprises a plurality of first supporting rods (13), the first supporting rods (13) are welded at the joint of the shell-side connecting pipe (3) and the pipe box (2), and a sphere (12) is welded together at one end, away from the inner wall of the shell-side connecting pipe (3), of the first supporting rods (13).

4. The heat exchanger suitable for the large-caliber shell pipeline is characterized in that a plurality of second support rods (10) which are arranged obliquely are welded on the inner wall of the channel box (2), a positioning shaft (11) is connected with the second support rods (10) in a common mode, and the positioning shaft (11) is welded on the inner wall of the channel box (2).

5. The heat exchanger suitable for the large-caliber shell pipe is characterized in that the alarm device comprises an annular ring-shaped groove (14), the annular groove (14) is arranged at the bottom of the pipe box (2), a plurality of spring pieces (15) are arranged in the annular groove (14), each spring piece (15) is provided with a second support rod (10) at the side surface, an alarm lamp (16) is fixedly connected to the bottom of each spring piece (15), and the lamp tube part of the alarm lamp (16) is positioned outside the pipe box (2).

6. The heat exchanger suitable for the large-diameter shell pipeline is characterized in that two ends of the second support rods (10) are respectively arranged on the bottom wall and the top wall of the channel box (2) and form an included angle of 45-60 degrees with the ground, the number of the first support rods (13) and the number of the second support rods (10) are four, a plurality of bolts (7) are fixedly connected to the joint of the shell flange (4) and the tube plate (5) in an annular mode, and each bolt (7) is simultaneously in threaded connection with the shell flange (4) and the tube plate (5).

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