Inclined plane type snakelike heat exchanger for sulfuric acid

Abstract

The utility model provides an inclined plane type snakelike heat exchanger for sulfuric acid, which relates to the technical field of sulfuric acid heat exchange devices and comprises a shell, a heat exchange cavity is arranged on one side of the inner wall of the shell, an ingress pipe is fixedly connected to the upper end of the outer wall of one side of the inner wall of the heat exchange cavity, a discharge pipe is fixedly connected to the lower end of the outer wall of one side of the heat exchange cavity, and a partition plate is fixedly connected to one side of the inner wall of the shell. A heat conduction mechanism is movably connected to one side of the partition plate and comprises a pulling block movably connected to the outer wall of the upper end of the shell, a heat conduction plate is fixedly connected to the lower end of the pulling block, sealing blocks are fixedly connected to the two sides of the pulling block, and connecting grooves are formed in the outer walls of one sides of the sealing blocks. The sulfuric acid heat exchange device solves the problems that the heat exchange efficiency of an existing sulfuric acid heat exchange device is limited, the requirement of a production process is difficult to meet on occasions where heat exchange needs to be rapidly and effectively carried out, cleaning, maintenance and liquid replacement of a heat exchanger are complex, and the operation cost and downtime of equipment are increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to sulfuric acid heat exchange device technical field especially relates to a for sulfuric acid's slope formula serpentine heat exchanger. BACKGROUND

[0002] Sulfuric acid as an important chemical raw material, is widely used in chemical industry, metallurgy, petroleum and other industries. In these applications, the temperature control of sulfuric acid is crucial to the safety of the production process and the quality of the product. Therefore, the heat exchanger plays a key role in the production and use of sulfuric acid, which can effectively regulate the temperature of sulfuric acid, thereby improving the process efficiency and product quality. The traditional heat exchanger design is usually based on straight tube or plate structure, which may have problems such as low heat exchange efficiency, insufficient corrosion resistance and inconvenient maintenance in some applications. Because sulfuric acid has strong corrosive, the selection and design of heat exchanger material is particularly important to prevent equipment corrosion from causing leakage or failure.

[0003] The existing heat exchanger often needs special material and structure design to improve its durability and operating safety when facing such strong corrosive medium as sulfuric acid. However, in actual use, the heat exchange efficiency of many heat exchangers is still limited, especially in situations where rapid and effective heat exchange is required, it is often difficult to meet the requirements of production process. In addition, the cleaning, maintenance and liquid replacement of the heat exchanger are usually complex, which increases the operating cost and downtime of the equipment, therefore, it is particularly important to develop a heat exchanger design that is efficient, durable and easy to maintain. SUMMARY

[0004] The utility model aims at solving the shortcomings in prior art, provide a for sulfuric acid's slope formula serpentine heat exchanger.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a for sulfuric acid's slope formula serpentine heat exchanger, including: the casing, the casing inner wall one side is equipped with heat exchange cavity, the heat exchange cavity inner wall one side outer wall upper end fixedly connected with the lead-in pipe, the heat exchange cavity one side outer wall lower end fixedly connected with the discharge pipe, the casing inner wall one side fixedly connected with the partition, the partition one side swing connection has the heat conduction mechanism;

[0006] The casing outer wall bottom fixedly connected with the support leg, the casing upper end one side outer wall fixedly connected with the conveying pipe, the casing inner wall one side is equipped with the pre-use cavity, the pre-use cavity inner wall one side is connected with the suction pipe, the suction pipe far from the pre-use cavity one side fixedly connected with the pump, the pump far from the suction pipe one side fixedly connected with the transmission pipe, the transmission pipe far from the suction pipe one side fixedly connected with the serpentine heat exchange pipe;

[0007] The heat conduction mechanism comprises a pulling block movably connected to the outer wall of the upper end of the shell, a heat conduction plate fixedly connected to the lower end of the pulling block, and sealing blocks fixedly connected to the two sides of the pulling block.

[0008] As a preferred embodiment, one side of the pump is fixedly connected to one side of the shell, and the serpentine heat exchange pipe connected to the transmission pipe on one side of the pump is arranged on one side of the inner wall of the heat exchange cavity.

[0009] As a preferred embodiment, the heat conduction plate is arranged on one side of the partition plate, and the connecting grooves arranged on one side of the sealing blocks on the two sides of the heat conduction plate are connected to the partition plate.

[0010] As a preferred embodiment, the heat conduction plate is arranged on the middle part of the inner wall of the shell, and the pre-use cavity and the heat exchange cavity arranged on the inner wall of the shell are connected through the heat conduction plate.

[0011] As a preferred embodiment, the lower end of the inlet pipe is connected to the discharge pipe, and one side of the inlet pipe and the discharge pipe is fixedly connected to one side of the outer wall of the shell.

[0012] As a preferred embodiment, the lower end of the transmission pipe is connected to the pre-use cavity arranged on the inner wall of the shell.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、The utility model discloses in using, through heat conduction plate, the sulfuric acid in the pre-use cavity carries out the preliminary heat exchange with the heat exchange liquid in the heat exchange cavity, shortens the heat exchange time, and the pump transports the sulfuric acid in the pre-use cavity to the serpentine heat exchange pipe and carries out the more thorough heat exchange with the liquid in the heat exchange cavity, prolongs the heat exchange time, and increases the heat exchange efficiency.

[0015] 2、The utility model discloses in using, heat conduction plate adopts the corrosion -resistant metal material, has good heat conductivity and corrosion resistance, has guaranteed the stability and long -term durability of heat exchange process, and the sealing block adopts the rubber material of corrosion -resistant, plays the sealing effect, prevents the leakage, has guaranteed the isolation of heat exchange cavity and pre-use cavity, prolongs the service life of device.

[0016] 3、The utility model discloses in using, when the heat exchange liquid efficiency in the heat exchange cavity drops, can through the discharge pipe and discharge it, recharges the new heat exchange liquid, guarantees the heat exchange effect always in the best state. DRAWINGS

[0017] Figure 1 The utility model provides a kind of appearance structure schematic diagram for sulfuric acid's inclined plane formula serpentine heat exchanger.

[0018] Figure 2 The utility model provides a schematic diagram of appearance structure for the inclined plane type serpentine heat exchanger of sulfuric acid.

[0019] Figure 3 The utility model provides a schematic diagram of section dismounting structure for the inclined plane type serpentine heat exchanger of sulfuric acid.

[0020] Figure 4 The utility model provides a schematic diagram of section dismounting structure for the inclined plane type serpentine heat exchanger of sulfuric acid.

[0021] Figure 5 The utility model provides a schematic diagram of structure dismounting for the heat conduction mechanism of the inclined plane type serpentine heat exchanger of sulfuric acid.

[0022] Legend:

[0023] 1, shell, 2, support foot, 3, conveying pipe, 4, pre-use cavity, 5, suction pipe, 6, pump, 7, transmission pipe, 8, serpentine heat exchange pipe, 9, heat exchange cavity, 10, import pipe, 11, discharge pipe, 12, baffle, 13, heat conduction mechanism,

[0024] 131, pull block, 132, heat conduction plate, 133, sealing block, 134, connecting groove. DETAILED DESCRIPTION

[0025] In order to more clearly explain the overall concept of the utility model, the following in conjunction with the drawings in the description is described in detail by way of example.

[0026] It should be noted that in the following description, a number of specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0027] In addition, in the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0028] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relation.But note direct connection then explain the connection two main bodies between not pass through transition structure construction connection relation, only through the connecting structure is connected to form an integral whole.For the ordinary skill of the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relation.But note direct connection then explain the connection two main bodies between not pass through transition structure construction connection relation, only through the connecting structure is connected to form an integral whole.For the ordinary skill of the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Embodiment 1

[0031] As Figures 1-5 shown, the utility model provides a kind of technical scheme: a bevel formula serpentine heat exchanger for sulfuric acid, comprising: shell 1, shell 1 inner wall one side is equipped with heat exchange cavity 9, heat exchange cavity 9 inner wall one side outer wall upper end is fixedly connected with import pipe 10, heat exchange cavity 9 one side outer wall lower end is fixedly connected with discharge pipe 11, import pipe 10 lower end is connected with discharge pipe 11 corresponding, and import pipe 10 and discharge pipe 11 one side are fixedly connected with shell 1 one side outer wall, shell 1 inner wall one side is fixedly connected with baffle 12, baffle 12 one side is movably connected with heat conduction mechanism 13;

[0032] Heat conduction mechanism 13, including the pull block 131 movably connected on the outer wall of the upper end of the shell 1, the pull block 131 lower end is fixedly connected with heat conduction plate 132, heat conduction plate 132 is located at baffle 12 one side, and the connecting groove 134 of the sealing block 133 of heat conduction plate 132 both sides is connected with baffle 12 corresponding, the sealing block 133 of pull block 131 both sides is fixedly connected, and the connecting groove 134 of the sealing block 133 one side outer wall is equipped with.

[0033] In this embodiment, a shell 1 is designed, and a heat exchange chamber 9 is provided on one side of the inner wall of the shell 1. High-temperature or low-temperature liquids can be filled into the inner wall of the heat exchange chamber 9 as needed for heat exchange. An inlet pipe 10 and an outlet pipe 11 are fixedly connected to the outer wall of one side of the shell 1. The inlet pipe 10 and the outlet pipe 11 are correspondingly connected to the heat exchange chamber 9 on the inner wall of the shell 1. Therefore, the liquid for heat exchange can be introduced into the heat exchange chamber 9 through the inlet pipe 10, at which point heat exchange will occur. When the heat exchange effect of the liquid in the heat exchange chamber 9 is insufficient, it can be discharged through the outlet pipe 11 to replace it with new liquid for heat exchange. To expedite the heat exchange of sulfuric acid and thus extend the heat exchange time to improve heat exchange efficiency, a heat-conducting pipe is provided on one side of the heat exchange chamber 9, located in the middle of the inner wall of the shell 1. Mechanism 13 has partitions 12 on one side of the inner wall of the housing 1 and on both sides of the heat conduction mechanism 13. The partitions 12 and the heat conduction mechanism 13 divide the inner wall of the housing 1 into two cavities. The heat conduction mechanism 13 includes a pulling block 131. A heat conduction plate 132 is fixedly connected to the lower end of the pulling block 131. Sealing blocks 133 are fixedly connected to both sides of the heat conduction plate 132. The heat conduction plate 132 is made of corrosion-resistant metal material, which has better thermal conductivity. The sealing blocks 133 are made of corrosion-resistant rubber material. A connecting groove 134 is opened on one side of the sealing block 133. The connecting groove 134 is connected to the partition 12. Therefore, it can play a sealing role and can also be disassembled and replaced to avoid the situation where the material ages and the corrosion resistance decreases after long-term use.

[0034] Example 2

[0035] like Figures 1-4 As shown, a support foot 2 is fixedly connected to the bottom of the outer wall of the shell 1, a conveying pipe 3 is fixedly connected to the outer wall of the upper side of the shell 1, a pre-use cavity 4 is opened on one side of the inner wall of the shell 1, the lower end of the conveying pipe 3 is correspondingly connected to the pre-use cavity 4 on the inner wall of the shell 1, a heat-conducting plate 132 is located in the middle of the inner wall of the shell 1, the pre-use cavity 4 and the heat exchange cavity 9 opened on the inner wall of the shell 1 are connected through the heat-conducting plate 132, an absorption pipe 5 is connected to one side of the inner wall of the pre-use cavity 4, a pump 6 is fixedly connected to the side of the absorption pipe 5 away from the pre-use cavity 4, a transmission pipe 7 is fixedly connected to the side of the pump 6 away from the absorption pipe 5, a serpentine heat exchange pipe 8 is fixedly connected to the side of the transmission pipe 7 away from the absorption pipe 5, one side of the pump 6 is fixedly connected to one side of the outer wall of the shell 1, and the serpentine heat exchange pipe 8 connected to the transmission pipe 7 on one side of the pump 6 is located on one side of the inner wall of the heat exchange cavity 9.

[0036] In this embodiment, by providing support feet 2 at the lower end of the shell 1, the device can be supported. A conveying pipe 3 is fixedly connected to the outer wall of the upper end of the shell 1. A pre-use cavity 4 is formed in the inner wall of the shell 1. The conveying pipe 3 is arranged at the upper end of the pre-use cavity 4. Therefore, the sulfuric acid that needs to be heat exchanged can be introduced from the conveying pipe 3 and stored in the pre-use cavity 4. At this time, a suction pipe 5 is connected to the inner wall of the pre-use cavity 4. One end of the suction pipe 5 extends to the bottom end of the inner wall of the pre-use cavity 4. Therefore, the sulfuric acid can be better sucked. A pump 6 is fixedly connected to the other side of the suction pipe 5. The pump 6 is arranged on the outer wall of one side of the shell 1. The other side of the pump 6 is fixedly connected to a transmission pipe 7. The other side of the transmission pipe 7 is fixedly connected to a serpentine heat exchange pipe 8. The serpentine heat exchange pipe 8 is arranged on the inner wall of a heat exchange cavity 9. Therefore, the sulfuric acid sucked by the suction pipe 5 can be introduced into the serpentine heat exchange pipe 8 through the transmission pipe 7. According to the requirements, high-temperature or low-temperature liquid can be filled in the heat exchange cavity 9 to form a temperature difference. The sulfuric acid in the serpentine heat exchange pipe 8 can be heat exchanged. Therefore, the heat exchange operation can be completed.

[0037] Working principle:

[0038] As Figures 1-5As shown, the sulfuric acid needing heat exchange is transported into the pre-use cavity 4 through the conveying pipe 3, at this time, the high-temperature or low-temperature liquid is filled in the inner wall of the heat exchange cavity 9 through the inlet pipe 10 for heat exchange, at this time, the heat exchange liquid in the heat exchange cavity 9 can preliminarily exchange heat with the sulfuric acid filled in the shell 1 through the heat conduction plate 132, at this time, the pump 6 is started, the pump 6 drives the suction pipe 5 on one side to suck the sulfuric acid in the pre-use cavity 4 and transports the sulfuric acid into the serpentine heat exchange pipe 8 connected in the heat exchange cavity 9 through the conveying pipe 7, at this time, the serpentine heat exchange pipe 8 has an inclination angle according to its own characteristics, can make the sulfuric acid flow smoothly in the pipeline, and is convenient for subsequent cleaning, prevents the sulfuric acid from being accumulated and remaining in the pipeline, and can also increase the contact area, so that the sulfuric acid can better exchange heat, but the existing sulfuric acid has a short contact time when exchanging heat, and the heat exchange efficiency is limited, and it is difficult to reach the expected value for the heat exchange operation of a large temperature difference, therefore, the baffle 12 and the heat conduction mechanism 13 are arranged in the middle of the inner wall of the shell 1, the baffle 12 and the heat conduction mechanism 13 divide the inner wall of the shell 1 into the pre-use cavity 4 and the heat exchange cavity 9, at this time, the liquid in the heat exchange cavity 9 and the sulfuric acid in the pre-use cavity 4 preliminarily exchange heat through the heat conduction plate 132, at this time, the heat exchange through the serpentine heat exchange pipe 8 and the heat exchange cavity 9 can lengthen the heat exchange time, thereby improving the heat exchange efficiency, the heat conduction plate 132 is made of a corrosion-resistant metal material and has better heat conductivity, the sealing block 133 connected on the two sides of the heat conduction plate 132 is made of a corrosion-resistant rubber material, and the sealing block 133 is provided with a connecting groove 134 on one side, the connecting groove 134 is connected with the baffle 12, so that the sealing effect can be achieved, when the corrosion resistance performance is reduced due to material aging after long-time use, the heat conduction mechanism 13 can be disassembled and replaced by pulling the pulling block 131, the practicability of the device is improved, and when the liquid in the heat exchange cavity 9 has insufficient heat exchange efficiency, the liquid can be discharged through the discharge pipe 11, so that new heat exchange liquid is filled.

[0039] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to limit the scope of the present application (including claims) to these examples; the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0040] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations are intended to be encompassed by the appended claims.

Claims

1. A bevelled coiled heat exchanger for sulphuric acid comprising a shell (1), characterised in that: The heat exchange cavity (9) is arranged on one side of the inner wall of the shell (1), and a guide pipe (10) is fixedly connected to the upper end of the outer wall on one side of the inner wall of the heat exchange cavity (9). The shell (1) is fixedly connected with a support leg (2) at the bottom of the outer wall, and a conveying pipe (3) is fixedly connected to the outer wall on one side of the upper end of the shell (1). The heat conduction mechanism (13) comprises a pulling block (131) movably connected to the outer wall of the upper end of the shell (1), a heat conduction plate (132) fixedly connected to the lower end of the pulling block (131), and sealing blocks (133) fixedly connected to both sides of the pulling block (131).

2. A bevelled coiled heat exchanger for sulphuric acid as claimed in claim 1 wherein: The pump (6) is fixedly connected to one side of the outer wall of the shell (1), and the serpentine heat exchange pipe (8) connected to the transmission pipe (7) on one side of the pump (6) is arranged on one side of the inner wall of the heat exchange cavity (9).

3. A bevelled coiled heat exchanger for sulphuric acid as claimed in claim 1 wherein: The heat conduction plate (132) is arranged on one side of the partition plate (12), and the connecting grooves (134) arranged on both sides of the heat conduction plate (132) are connected to the partition plate (12) correspondingly.

4. A bevelled coiled heat exchanger for sulphuric acid as claimed in claim 1 wherein: The heat conduction plate (132) is arranged in the middle of the inner wall of the shell (1), and the pre-use cavity (4) and the heat exchange cavity (9) arranged in the inner wall of the shell (1) are connected through the heat conduction plate (132).

5. A sloping coiled heat exchanger for sulphuric acid as claimed in claim 1 wherein: The lower end of the guide pipe (10) is connected to the discharge pipe (11) correspondingly, and both the guide pipe (10) and the discharge pipe (11) are fixedly connected to one side of the outer wall of the shell (1).

6. A bevelled coiled heat exchanger for sulphuric acid as claimed in claim 1 wherein: The lower end of the conveying pipe (3) is connected to the pre-use cavity (4) arranged in the inner wall of the shell (1) correspondingly.

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