Impact-resistant tubular heat exchanger

Abstract

The utility model relates to an impact-resistant tubular heat exchanger which comprises a shell which is of a hollow structure, and a tube plate is arranged at the second end of the shell; the first inlet pipe is arranged at the first end of the upper part of the shell; the multiple baffle plates are arranged on the inner wall of the shell at intervals in an up-down staggered mode, the positions of the baffle plates correspond to the second end of the first inlet pipe, and the baffle plate closest to the first inlet pipe is connected to the upper end of the inner wall of the shell; the first end of the U-shaped pipe is positioned below the first inlet pipe, and the second end of the U-shaped pipe penetrates through the baffle plate and is fixed on the pipe plate; the baffle is vertically arranged on the upper portion of the first end of the baffle plate closest to the first inlet pipe, and the projection of the first inlet pipe is located on the baffle, so that a medium introduced into the first inlet pipe firstly impacts the baffle, the medium impact force borne by the U-shaped pipe is reduced, and the service life of the tubular heat exchanger is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field especially relates to a kind of impact-resistant tubular heat exchanger. BACKGROUND

[0002] Heat exchanger is widely used in petroleum processing, chemical enterprise. Among them, U-shaped tubular heat exchanger includes shell, shell outer side upper end is set into pipe, one end of shell is set pipe plate, baffle is set in staggered interval in pipe plate inner side, U-shaped tube is fixed on pipe plate by passing baffle, the end of U-shaped tube away from pipe plate corresponds to the lower end of into pipe. In use process, due to the medium passing into pipe by fast flowing to the surface of U-shaped tube impact, make the vibration of the elbow pipe of U-shaped tube lead to loosening even breakage, affect equipment operation.

[0003] It should be noted that the information disclosed in the above BACKGROUND section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model discloses a kind of impact-resistant tubular heat exchanger to solve the problem that U-shaped tube of heat exchanger is impacted by first medium during use and leads to loosening even breakage.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] An impact-resistant tubular heat exchanger, the impact-resistant tubular heat exchanger comprises: a shell, which is a hollow structure, and a second end provided with a pipe plate; a first inlet pipe, which is arranged on the first end of the upper part of the shell; a baffle, which has a plurality of blocks and is arranged in staggered intervals on the inner wall of the shell, corresponds to the second end of the first inlet pipe in position, and the baffle closest to the first inlet pipe is connected to the upper end of the inner wall of the shell; a U-shaped tube, the first end of which is located below the first inlet pipe, and the second end of which passes through the baffle and is fixed on the pipe plate; a baffle, which is vertically arranged on the upper part of the first end of the baffle closest to the first inlet pipe, and the projection of the first inlet pipe is located on the baffle.

[0007] A further technical solution is that the baffle comprises a first plate arranged horizontally and a second plate connected to both sides of the first plate, and the first plate and the second plate are wrapped around the outside of the U-shaped tube.

[0008] A further technical solution is that the first plate is a straight plate or an arc-shaped plate, and the second plate is an arc-shaped plate.

[0009] A further technical solution is that the baffle further comprises a reinforcing rib, which is vertically arranged, the second end of which is connected to the first end of the baffle, and the lower end of which is connected to the upper end of the first plate.

[0010] Further, a first outlet pipe is arranged at the second end of the upper part of the shell.

[0011] Further, a pipe box is arranged at the second end of the tube plate, the pipe box is a hollow structure, and the second end of the U-shaped pipe is in communication with the inside of the pipe box.

[0012] Further, a partition plate is arranged horizontally between the inside of the pipe box and the tube plate, the partition plate divides the inside of the pipe box into two cavities which are not in communication with each other, a second inlet is arranged at the upper end of the pipe box, and a second outlet is arranged at the lower end of the pipe box.

[0013] Further, two supports are arranged at the lower end of the shell.

[0014] The beneficial effects of the embodiment of the utility model are as follows:

[0015] (1) The utility model discloses a kind of impact-resistant tubular heat exchangers, by the baffle closest to first inlet pipe is arranged on the inner wall of shell upper end, the baffle first end upper part is vertically arranged baffle, the projection of first inlet pipe is located on baffle, so that the medium of first inlet pipe is first impacted baffle, reduce the medium impact force that U-shaped pipe receives, improve the service life of tubular heat exchanger.

[0016] (2) Further, the baffle includes horizontally arranged first plate and second plate connected to the two sides of the first plate, the first plate and the second plate are wrapped outside the U-shaped tube, avoiding the elbow of all U-shaped tubes located outside being impacted by the first medium baffling, while guiding the first medium to contact the elbow of U-shaped tube first, improving the heat exchange effect of the elbow of U-shaped tube, saving energy. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the impact-resistant tubular heat exchanger of the utility model.

[0018] Figure 2 It is the internal structure schematic diagram of the impact-resistant tubular heat exchanger of the utility model.

[0019] Figure 3 It is Figure 1 Sectional view at A-A.

[0020] In the drawing:

[0021] 1, shell;11, first inlet pipe;12, first outlet pipe;13, support;14, baffle;2, tube plate;3, U-shaped tube;31, straight pipe;32, elbow;4, pipe box;41, second inlet pipe;42, second outlet pipe;43, partition plate;5, baffle;51, first plate;52, second plate;53, reinforcing rib. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be described below with reference to the accompanying drawings.

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the device of the present application will be described in further detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present application will be more clear according to the following description. It should be noted that the drawings are very simplified and all use non-precise proportions, only for the purpose of facilitating and clearly assisting the description of the embodiments of the present application. In order to make the purpose, features and advantages of the present application more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the conditions for implementing the present application, so they do not have the technical essence, any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0024] Embodiment:

[0025] The present embodiment discloses a kind of impact-resistant tube heat exchanger.

[0026] As shown in Figure 1 And Figure 2 Impact-resistant tube heat exchanger includes shell 1, first inlet pipe 11, baffle plate 14, U-shaped tube 3 and baffle 5.

[0027] Shell 1 is hollow structure, and second end is provided with tube sheet 2. First inlet pipe 11 is arranged on the upper part of shell 1 first end. Baffle plate 14 has several pieces, which are arranged on the inner wall of shell 1 in an upper and lower staggered manner, corresponding to the second end of first inlet pipe 11, and the baffle plate 14 closest to first inlet pipe 11 is connected to the upper end of the inner wall of shell 1. The first end of U-shaped tube 3 is located below the first inlet pipe 11, and the second end penetrates the baffle plate 14 and is fixed on the tube sheet 2. Exemplarily, the tube sheet 2 and the baffle plate 14 are welded and connected with the shell 1, and the tube sheet 2 and the baffle plate 14 are both arranged vertically. U-shaped tube 3 includes elbow pipe 32 corresponding to 180° central angle and two straight pipes 31 connected in parallel at both ends of elbow pipe 32.

[0028] Baffle 5 is vertically arranged on the upper part of the first end of baffle plate 14 closest to first inlet pipe 11, and the projection of first inlet pipe 11 is located on baffle 5.

[0029] As shown in Figure 3As shown, further, the baffle 5 comprises a horizontally arranged first plate 51 and a second plate 52 connected to both sides of the first plate 51, the first plate 51 and the second plate 52 are wrapped outside the U-shaped tube 3, avoiding the elbow 32 of all the U-shaped tubes 3 outside from being impacted by the first medium baffle, at the same time, guiding the first medium to contact the elbow 32 of the U-shaped tube 3 first, improving the heat exchange effect of the elbow 32 of the U-shaped tube 3, and saving energy. Exemplarily, the first plate 51 is a straight plate or an arc-shaped plate, and the second plate 52 is an arc-shaped plate.

[0030] As shown in Figure 2 and Figure 3 As shown, further, the baffle 5 further comprises a reinforcing rib 53, the reinforcing rib 53 is vertically arranged, the second end is connected to the first end of the baffle 14, and the lower end is connected to the upper end of the first plate 51, improving the connection strength and impact resistance of the baffle 5.

[0031] As shown in Figure 1 and Figure 2 As shown, further, the upper second end of the shell 1 is provided with a first pipe outlet 12, the first medium enters the shell 1 through the first pipe inlet 11, and then is discharged from the first pipe outlet 12 after being baffleed by the baffle 14 multiple times.

[0032] As shown in Figure 1 and Figure 2 As shown, the second end of the tube plate 2 is provided with a tube box 4, the tube box 4 is a hollow structure, and the two pipe opening ends of the second end of the U-shaped tube 3 are in communication with the inside of the tube box 4. A partition plate 43 is horizontally arranged between the inside of the tube box 4 and the tube plate 2, the partition plate 43 divides the inside of the tube box 4 into two cavities that are not in communication with each other, the lower end of the tube box 4 is provided with a second inlet, and the upper end of the tube box 4 is provided with a second outlet. The second medium enters one of the cavities through the second pipe inlet 41, then returns to the other cavity through the U-shaped tube 3, and finally is discharged from the second pipe outlet 42, and the first medium and the second medium exchange heat in the shell 1.

[0033] As shown in Figure 1 and Figure 2 As shown, further, the lower end of the shell 1 is provided with two supports 13 at intervals to support the whole tube heat exchanger.

[0034] In this embodiment, the baffle plate 14 closest to the first pipe inlet 11 is arranged on the upper end of the inner wall of the shell 1, the first end of the baffle plate 14 is vertically provided with the baffle 5, and the projection of the first pipe inlet 11 is located on the baffle 5, so that the medium flowing into the first pipe inlet 11 first impacts the baffle 5, reducing the impact force of the medium on the U-shaped tube 3, and improving the service life of the tube heat exchanger.

[0035] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as within the scope of the present disclosure.

[0036] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it shall not be understood as a limitation on the scope of the present application patent. It should be pointed out that, for ordinary skilled in the art, under the premise of not departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent shall be subject to the appended claims.

Claims

1. A shock resistant tube heat exchanger, characterized by, The impact-resistant tube heat exchanger comprises: a shell, which is a hollow structure and has a tube plate at a second end; a first inlet tube arranged at a first end of the upper part of the shell; a baffle plate, which has a plurality of blocks and is arranged on the inner wall of the shell in an up-and-down staggered manner, the position of the baffle plate corresponding to the second end of the first inlet tube, and one of the blocks closest to the first inlet tube being connected to the upper end of the inner wall of the shell; a U-shaped tube, the first end of which is located below the first inlet tube, and the second end of which penetrates through the baffle plate and is fixed to the tube plate; a baffle, which is arranged vertically on the upper part of the first end of the baffle plate closest to the first inlet tube, and the projection of the first inlet tube is located on the baffle.

2. The impact-resistant tube heat exchanger of claim 1, wherein: The baffle comprises a first plate arranged horizontally and a second plate connected to the two sides of the first plate, and the first plate and the second plate wrap around the outside of the U-shaped tube.

3. The impact resistant tube heat exchanger of claim 2, wherein: The first plate is a straight plate or an arc-shaped plate, and the second plate is an arc-shaped plate.

4. The impact resistant tube heat exchanger of claim 3, wherein: The baffle further comprises a reinforcing rib, which is arranged vertically, the second end of the reinforcing rib being connected to the first end of the baffle plate, and the lower end of the reinforcing rib being connected to the upper end of the first plate.

5. The impact-resistant tube heat exchanger of claim 1, wherein: The upper part of the shell is provided with a first outlet tube at the second end.

6. The impact resistant tube heat exchanger of claim 5, wherein: The tube plate is provided with a tube box at the second end, the tube box is a hollow structure, and the second end of the U-shaped tube communicates with the inside of the tube box.

7. The impact-resistant tube heat exchanger of claim 6, wherein: A partition plate is arranged horizontally between the inside of the tube box and the tube plate, the partition plate separates the inside of the tube box into two cavities that do not communicate with each other, the upper end of the tube box is provided with a second inlet, and the lower end of the tube box is provided with a second outlet.

8. The impact-resistant tube heat exchanger of claim 1, wherein: Two supports are arranged at intervals at the lower end of the shell.

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