Heat exchanger shell

Abstract

The utility model discloses a heat exchanger shell which comprises an inlet pipe box, a connecting pipe box and an outlet pipe box. The inlet pipe box comprises an air inlet connecting pipe and a first conical box body, the air inlet connecting pipe is cylindrical, an air inlet is formed in the air inlet connecting pipe, the first conical box body comprises a first outer side connecting end and a first inner side connecting end, the first outer side connecting end is connected with the air inlet connecting pipe, and a flow guide plate is arranged in the first conical box body; one side of the connecting pipe box is connected with the first inner side connecting end, the connecting pipe box is in a cuboid shape, and a heat exchange pipe is arranged in the connecting pipe box; the outlet pipe box comprises an air outlet connecting pipe and a second conical box body, the air outlet connecting pipe is cylindrical, an air outlet is formed in the air outlet connecting pipe, the second conical box body comprises a second outer side connecting end and a second inner side connecting end, the second outer side connecting end is connected with the air outlet connecting pipe, and the second inner side connecting end is connected with the other side of the connecting pipe box. Due to the arrangement of the inlet pipe box, the connecting pipe box and the outlet pipe box, the overall size is small, and the occupied area is small.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger shell. Background Art

[0002] Heat exchangers are common equipment in industrial production. Heat exchangers include a shell and heat exchange tubes installed in the shell. When in use, fluids of different temperatures are passed into the heat exchange tubes and the shell respectively, and heat is transferred between the two during the flow process to achieve the purpose of mutual heat exchange.

[0003] The overall volume of the heat exchanger in the prior art is large, resulting in a large footprint of the heat exchanger shell. In view of this, the inventor conducted in-depth research on the above-mentioned defects in the prior art, and thus the present case was created. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems in the above technology to a certain extent. To this end, the utility model aims to provide a heat exchanger housing, which has a small overall volume and occupies a small area by arranging an inlet pipe box, a connecting pipe box and an outlet pipe box.

[0005] In order to achieve the above-mentioned purpose, the utility model proposes a heat exchanger shell, including an inlet pipe box, a connecting pipe box and an outlet pipe box;

[0006] The inlet pipe box includes an air intake pipe and a first conical box body, the air intake pipe is cylindrical, an air inlet is formed in the air intake pipe, the first conical box body includes a first outer connecting end and a first inner connecting end, the first outer connecting end is connected to the air intake pipe, a port of the first inner connecting end is larger than a port of the first outer connecting end, and a guide plate is arranged in the first conical box body;

[0007] One side of the connecting pipe box is connected to the first inner connecting end, the connecting pipe box is in a rectangular parallelepiped shape, and a heat exchange pipe is arranged in the connecting pipe box; the width of the connecting pipe box is smaller than the width of the inlet pipe box, and the width of the connecting pipe box is smaller than the width of the outlet pipe box;

[0008] The outlet pipe box includes an air outlet pipe and a second conical box body. The air outlet pipe is cylindrical and an air outlet is formed in the air outlet pipe. The second conical box body includes a second outer connecting end and a second inner connecting end. The second outer connecting end is connected to the air outlet pipe, a port of the second inner connecting end is larger than a port of the second outer connecting end, and the second inner connecting end is connected to the other side of the connecting pipe box.

[0009] Furthermore, a plurality of first docking holes are provided at the end of the air intake pipe.

[0010] Furthermore, the guide plate includes a horizontal guide plate and an inclined guide plate, the horizontal guide plate is provided with a plurality of first guide holes, the inclined guide plate is connected to an edge of the horizontal guide plate, and a plurality of second guide holes are provided on the inclined guide plate.

[0011] Furthermore, the angle formed by the inclined guide plate and the horizontal guide plate along the longitudinal section is an obtuse angle.

[0012] Furthermore, the guide plate also includes an inner connecting plate, which is arranged on the inner wall of the first conical box and connected to the edge of the inclined guide plate.

[0013] Furthermore, a plurality of first ribs are arranged on the first conical box body.

[0014] Furthermore, the connecting pipe box includes an upper side plate, a front end tube plate, a lower side plate and a rear end tube plate, one end of the upper side plate is connected to the upper end of the front end tube plate, the lower end of the front end tube plate is connected to one end of the lower side plate, the other end of the lower side plate is connected to the lower end of the rear end tube plate, and the upper end of the rear end tube plate is connected to the other end of the upper side plate.

[0015] Furthermore, a base is provided at the bottom of the lower side plate.

[0016] Furthermore, a plurality of second docking holes are provided at the end of the air outlet pipe.

[0017] Furthermore, a plurality of second ribs are arranged on the second conical box body.

[0018] Furthermore, manholes are provided on the first conical box body and the second conical box body.

[0019] Further, the manhole includes a cylinder section, a flange, a flange cover and a rotating mechanism, the flange is arranged on the cylinder section, the flange cover can be rotatably arranged on the flange through the rotating mechanism, the rotating mechanism includes a first flange shaft ear, a second flange shaft ear, a first cover shaft ear, a second cover shaft ear and a pin shaft, the first flange shaft ear is arranged on the flange, the second flange shaft ear is arranged on the flange, the first cover shaft ear is arranged on the flange cover, the second cover shaft ear is arranged on the flange cover, and the pin shaft passes through the first cover shaft ear, the first flange shaft ear, the second flange shaft ear and the second cover shaft ear in sequence, so that the first cover shaft ear and the second cover shaft ear can rotate along the first flange shaft ear and the second flange shaft ear.

[0020] Furthermore, a first heat exchange tube and a second heat exchange tube are provided in the connecting tube box; a first front end tube box and a second front end tube box are provided on the front end tube plate, the first front end tube box is connected to the first heat exchange tube, the second front end tube box is arranged side by side with the first front end tube box, and the second front end tube box is connected to the second heat exchange tube.

[0021] Furthermore, a first inlet is arranged at the upper part of the first front end pipe box, and the first inlet is connected to the input end of the first heat exchange tube; a first outlet is arranged at the lower part of the first front end pipe box, and the first outlet is connected to the output end of the first heat exchange tube; a second inlet is arranged at the upper part of the second front end pipe box, and the second inlet is connected to the input end of the second heat exchange tube; a second outlet is arranged at the lower part of the second front end pipe box, and the second outlet is connected to the output end of the second heat exchange tube.

[0022] After adopting the above structure, the heat exchanger shell of the utility model has at least the following beneficial effects:

[0023] First, when in use, the gas to be heat exchanged (such as blast furnace gas) can be transported into the box through the air inlet of the air inlet pipe. Since the port of the first inner connecting end of the first conical box is larger than the port of the first outer connecting end, the gas diffuses after entering the box, so that the gas fills the entire box, which is convenient for the gas to fully exchange heat with the heat exchange tube. By setting the guide plate, the gas is convenient to diffuse around the box.

[0024] Second, since the port of the second inner connecting end of the second conical box body is larger than the port of the second outer connecting end, and the width of the connecting pipe box is smaller than the width of the outlet pipe box, the heat exchanger shell as a whole is large in the middle and small at both ends, so that the overall volume of the heat exchanger shell is small and the floor space is small. At the same time, the gas stays in the heat exchanger shell for a longer time, and the heat exchange effect is good.

[0025] Third, by setting a horizontal guide plate and an inclined guide plate, when the gas enters the box from the air inlet, the gas impacts the horizontal guide plate, and a part of the gas enters the box along the first guide hole on the horizontal guide plate. The other part of the gas is dispersed by the horizontal guide plate, moves along the horizontal guide plate to the inclined guide plate, and then enters the box through the second guide hole of the inclined guide plate. In this way, the gas can fully and quickly fill the entire box, so that the heat exchange effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a side view of a heat exchanger shell according to an embodiment of the utility model;

[0027] Figure 2 A top view of a heat exchanger housing according to an embodiment of the utility model;

[0028] Figure 3a It is a structural schematic diagram of an inlet pipe box according to an embodiment of the utility model;

[0029] Figure 3b This is a schematic diagram of the connection between the guide plate and the inlet pipe box according to an embodiment of the utility model;

[0030] Figure 4a A schematic diagram of the structure of a manhole according to an embodiment of the utility model;

[0031] Figure 4b It is a structural schematic diagram of a manhole according to another angle of an embodiment of the utility model;

[0032] Figure 5a This is a schematic diagram of the structure of an outlet pipe box according to an embodiment of the utility model;

[0033] Figure 5b It is a schematic structural diagram of the outlet pipe box from another angle according to an embodiment of the utility model.

[0034] Description of symbols

[0035] Inlet pipe box 1, air intake pipe 11, first docking hole 111, first conical box 12, first outer connecting end 121, first inner connecting end 122, first rib plate 123, connecting pipe box 2, upper side plate 21, front end pipe plate 22, first front end pipe box 221, second front end pipe box 222, lower side plate 23, rear end pipe plate 24, base 25, outlet pipe box 3, air outlet pipe 31, second docking hole 311, second conical box 32, The second outer connecting end 321, the second inner connecting end 322, the second rib plate 323, the guide plate 4, the horizontal guide plate 41, the first guide hole 411, the inclined guide plate 42, the second guide hole 421, the inner connecting plate 43, the manhole 5, the cylinder section 51, the flange 52, the flange cover 53, the handle 531, the rotating mechanism 54, the first flange shaft ear 541, the second flange shaft ear 542, the first cover shaft ear 543, the second cover shaft ear 544, and the pin 545. DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0037] like Figures 1 to 5bAs shown, a heat exchanger shell of the utility model includes an inlet pipe box 1, a connecting pipe box 2 and an outlet pipe box 3; the inlet pipe box 1 includes an air intake pipe 11 and a first conical box body 12, the air intake pipe 11 is cylindrical, and an air inlet is formed in the air intake pipe 11, the first conical box body 12 includes a first outer connecting end 121 and a first inner connecting end 122, the first outer connecting end 121 is connected to the air intake pipe 11, the port of the first inner connecting end 122 is larger than the port of the first outer connecting end 121, and a guide plate 4 is arranged in the first conical box body 12; one side of the connecting pipe box 2 is connected to the first inner connecting end 122, and the connecting pipe box 2 is in the shape of a rectangular parallelepiped, and a heat exchange pipe is arranged in the connecting pipe box 2; the width of the connecting pipe box 2 is smaller than the width of the inlet pipe box 1, and the width of the connecting pipe box 2 is smaller than the width of the outlet pipe box 3; the outlet pipe box 3 includes an air outlet pipe 31 and a second conical box body 32, the air outlet pipe 31 is in the shape of a cylinder, and an air outlet is formed in the air outlet pipe 31, the second conical box body 32 includes a second outer connecting end 321 and a second inner connecting end 322, the second outer connecting end 321 is connected to the air outlet pipe 31, the port of the second inner connecting end 322 is larger than the port of the second outer connecting end 321, and the second inner connecting end 322 is connected to the other side of the connecting pipe box 2.

[0038] In this way, the heat exchanger shell involved in the utility model can deliver the gas to be heat exchanged (such as blast furnace gas) into the box through the air inlet of the air inlet pipe 11 when in use. Since the port of the first inner connecting end 122 of the first conical box 12 is larger than the port of the first outer connecting end 121, the gas diffuses after entering the box, so that the gas fills the entire box, which is convenient for the gas to have a more sufficient heat exchange with the heat exchange tube. By setting the guide plate 4, it is convenient for the gas to diffuse around the box. Since the port of the second inner connecting end 322 of the second conical box 32 is larger than the port of the second outer connecting end 321, and the width of the connecting pipe box 2 is smaller than the width of the outlet pipe box 3, the heat exchanger shell as a whole is large in the middle and small at both ends, so that the overall volume of the heat exchanger shell is small and the floor space is small. At the same time, the gas stays in the heat exchanger shell for a longer time, and the heat exchange effect is good.

[0039] Optionally, a plurality of first docking holes 111 are provided at the end of the air intake pipe 11. By providing the first docking holes 111, when in use, it is convenient to lock the first connecting pipe to the air intake pipe 11, and the first connecting pipe is connected to the gas, so that the gas is conveniently transported to the heat exchanger housing through the first connecting pipe.

[0040] like Figure 3bAs shown, in this example, the guide plate 4 includes a horizontal guide plate 41 and an inclined guide plate 42, a plurality of first guide holes 411 are arranged on the horizontal guide plate 41, the inclined guide plate 42 is connected to the edge of the horizontal guide plate 41, and a plurality of second guide holes 421 are arranged on the inclined guide plate 42. By arranging the horizontal guide plate 41 and the inclined guide plate 42, when the gas enters the box from the air inlet, the gas impacts the horizontal guide plate 41, a part of the gas enters the box along the first guide hole 411 on the horizontal guide plate 41, and the other part of the gas is dispersed by the horizontal guide plate 41, moves along the horizontal guide plate 41 to the inclined guide plate 42, and then enters the box through the second guide hole 421 of the inclined guide plate 42, so that the gas can fully and quickly fill the entire box, so that the heat exchange effect is better.

[0041] Preferably, as shown in Figure 3, the angle formed by the inclined guide plate 42 and the horizontal guide plate 41 along the longitudinal section is angle A, and angle A is an obtuse angle. After the gas impacts the horizontal guide plate 41, part of the gas moves along the horizontal guide plate 41 to the inclined guide plate 42. Since angle A is an obtuse angle, this part of the gas can easily enter the box through the second guide hole 421.

[0042] In some examples, the guide plate 4 further includes an inner connecting plate 43, which is disposed on the inner wall of the first conical box 12 and connected to the edge of the inclined guide plate 42. The inner connecting plate 43 can be attached to the inner wall of the first conical box 12, so that the guide plate 4 can be quickly installed. After the guide plate 4 is installed, the guide plate 4 is not easy to shake. The angle formed by the inner connecting plate 43 and the inclined guide plate 42 along the longitudinal section is angle B, and angle B is 90 degrees, so that when the gas enters the box along the second guide hole 421, the flow direction of the gas is roughly parallel to the inner wall of the first conical box 12, so that the gas can quickly cover the entire box.

[0043] In order to increase the strength of the first conical box body 12 , a plurality of first ribs 123 are disposed on the first conical box body 12 .

[0044] Further, the connecting pipe box 2 includes an upper side plate 21, a front end tube plate 22, a lower side plate 23 and a rear end tube plate 24, one end of the upper side plate 21 is connected to the upper end of the front end tube plate 22, the lower end of the front end tube plate 22 is connected to one end of the lower side plate 23, the other end of the lower side plate 23 is connected to the lower end of the rear end tube plate 24, and the upper end of the rear end tube plate 24 is connected to the other end of the upper side plate 21. The upper side plate 21, the front end tube plate 22, the lower side plate 23 and the rear end tube plate 24 are welded together to reduce leakage points and make it difficult for gas to leak. A base 25 is set at the bottom of the lower side plate 23, and the base 25 is set to facilitate supporting the box body.

[0045] In this example, a plurality of second docking holes 311 are provided at the end of the gas outlet pipe 31. By providing the second docking holes 311, when in use, it is convenient to lock the second connecting pipe to the gas outlet pipe 31, so that the gas after heat exchange is output through the second connecting pipe. In order to increase the strength of the second conical box body 32, a plurality of second ribs 323 are provided on the second conical box body 32.

[0046] In a preferred embodiment of the utility model, a manhole 5 is provided on the first conical box 12 and the second conical box 32. By providing the manhole 5, a manhole 5 can be provided on each of the first conical box 12 and the second conical box 32, and there are two manholes 5 in total, which can meet the heat exchange requirements and also facilitate maintenance such as inspection and cleaning. Specifically, Figure 4a and 4b As shown, the manhole 5 includes a barrel section 51, a flange 52, a flange cover 53 and a rotating mechanism 54. The flange 52 is arranged on the barrel section 51, and the flange cover 53 is rotatably arranged on the flange 52 through the rotating mechanism 54. The rotating mechanism 54 includes a first flange shaft ear 541, a second flange shaft ear 542, a first cover shaft ear 543, a second cover shaft ear 544 and a pin 545. The first flange shaft ear 541 is arranged on the flange 52, the second flange shaft ear 542 is arranged on the flange 52, the first cover shaft ear 543 is arranged on the flange cover 53, and the second cover shaft ear 544 is arranged on the flange cover 53. The pin 545 passes through the first cover shaft ear 543, the first flange shaft ear 541, the second flange shaft ear 542 and the second cover shaft ear 544 in sequence, so that the first cover shaft ear 543 and the second cover shaft ear 544 can rotate along the first flange shaft ear 541 and the second flange shaft ear 542.

[0047] When in use, the flange cover 53 can be opened by the rotating mechanism 54, so as to facilitate maintenance such as inspection and cleaning. A handle 531 can be provided on the flange cover 53, so as to facilitate opening the flange cover 53 by applying force to the flange cover 53 through the handle 531.

[0048] Furthermore, the connecting tube box 2 is provided with a first heat exchange tube and a second heat exchange tube; the first front tube box 221 and the second front tube box 222 are provided on the front tube sheet 22, the first front tube box 221 is connected to the first heat exchange tube, the second front tube box 222 is arranged side by side with the first front tube box 221, and the second front tube box 222 is connected to the second heat exchange tube. By providing the first heat exchange tube, the first medium can be introduced into the first heat exchange tube to greatly adjust the temperature of the gas, and then the cold medium or the hot medium is passed through the second heat exchange tube according to the situation. When the temperature of the gas after heat exchange in the first heat exchange tube is high, the cold medium is introduced into the second heat exchange tube to cool the gas so that the gas reaches a predetermined temperature range. When the temperature of the gas after heat exchange in the first heat exchange tube is low, the hot medium is introduced into the second heat exchange tube to heat the gas so that the gas reaches a predetermined temperature range.

[0049] In this example, a first inlet is provided at the top of the first front-end pipe box 221, and the first inlet is connected to the input end of the first heat exchange tube. A first outlet is provided at the bottom of the first front-end pipe box 221, and the first outlet is connected to the output end of the first heat exchange tube. A second inlet is provided at the top of the second front-end pipe box 222, and the second inlet is connected to the input end of the second heat exchange tube. A second outlet is provided at the bottom of the second front-end pipe box 222, and the second outlet is connected to the output end of the second heat exchange tube. By providing the first inlet and the first outlet, the first medium can be input from the first inlet and output from the first outlet. By providing the second inlet and the second outlet, the hot medium or the cold medium can be input from the second inlet and output from the second outlet.

[0050] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.

Claims

1. A heat exchanger housing, characterized in that: It includes an inlet pipe box, a connecting pipe box and an outlet pipe box; The inlet pipe box includes an air intake pipe and a first conical box body, the air intake pipe is cylindrical, an air inlet is formed in the air intake pipe, the first conical box body includes a first outer connecting end and a first inner connecting end, the first outer connecting end is connected to the air intake pipe, a port of the first inner connecting end is larger than a port of the first outer connecting end, and a guide plate is arranged in the first conical box body; One side of the connecting pipe box is connected to the first inner connecting end, the connecting pipe box is in a rectangular parallelepiped shape, and a heat exchange pipe is arranged in the connecting pipe box; the width of the connecting pipe box is smaller than the width of the inlet pipe box, and the width of the connecting pipe box is smaller than the width of the outlet pipe box; The outlet pipe box includes an air outlet pipe and a second conical box body. The air outlet pipe is cylindrical and an air outlet is formed in the air outlet pipe. The second conical box body includes a second outer connecting end and a second inner connecting end. The second outer connecting end is connected to the air outlet pipe, a port of the second inner connecting end is larger than a port of the second outer connecting end, and the second inner connecting end is connected to the other side of the connecting pipe box.

2. The heat exchanger housing according to claim 1, characterized in that: A plurality of first docking holes are arranged at the end of the air intake pipe.

3. The heat exchanger housing according to claim 1, characterized in that: The guide plate comprises a horizontal guide plate and an inclined guide plate. The horizontal guide plate is provided with a plurality of first guide holes. The inclined guide plate is connected to the edge of the horizontal guide plate. The inclined guide plate is provided with a plurality of second guide holes.

4. The heat exchanger housing according to claim 3, characterized in that: The angle formed by the inclined guide plate and the horizontal guide plate along the longitudinal section is an obtuse angle.

5. The heat exchanger housing according to claim 3, characterized in that: The guide plate also includes an inner connecting plate, which is arranged on the inner wall of the first conical box and connected to the edge of the inclined guide plate.

6. The heat exchanger housing according to claim 1, characterized in that: A plurality of first ribs are arranged on the first conical box body.

7. The heat exchanger housing according to claim 1, characterized in that: The connecting pipe box includes an upper side plate, a front end tube plate, a lower side plate and a rear end tube plate. One end of the upper side plate is connected to the upper end of the front end tube plate, the lower end of the front end tube plate is connected to one end of the lower side plate, the other end of the lower side plate is connected to the lower end of the rear end tube plate, and the upper end of the rear end tube plate is connected to the other end of the upper side plate.

8. The heat exchanger housing according to claim 1, characterized in that: A plurality of second docking holes are arranged at the end of the air outlet pipe.

9. The heat exchanger housing according to claim 1, characterized in that: A plurality of second ribs are arranged on the second conical box body.

10. The heat exchanger housing according to claim 1, characterized in that: Manholes are arranged on the first conical box body and the second conical box body.

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