Water inlet assembly of shell-and-tube heat exchanger

Abstract

The utility model discloses a water inlet assembly of a shell-and-tube heat exchanger, which comprises a fixing module, an adjusting module for supporting buffer cabins of different specifications is arranged on the fixing module, and a connecting module for communicating the shell-and-tube heat exchanger is arranged on the adjusting module. The buffer cabin is arranged between the connecting modules, each connecting module comprises a positioning block, two through holes are symmetrically formed in the top of the positioning block, a connecting frame is fixedly arranged on the positioning block, two second grooves are symmetrically formed between the connecting frame and the positioning block, and a flow guide pipe is arranged on the connecting frame. The buffer cabins are fixed through the distance-adjustable flanges, the buffer cabins of different specifications can be freely fixed, and the application range is expanded; by means of multi-layer insertion and disassembly, parts are convenient to disassemble, assemble and replace during maintenance and repair, and meanwhile bolts are convenient to install; the weight of the buffer cabin is completely borne through the connecting frame, weight loads of the flow guide pipes on the two sides are reduced, and the service life of the device is prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of air intake buffer chamber design, and in particular relates to a water inlet assembly for a shell-and-tube heat exchanger. Background Technology

[0002] Shell-and-tube heat exchangers are widely used in industries such as chemical, petroleum, power, and metallurgy. Their working principle involves heat exchange between the fluids in the tubes and shell to transfer energy. The inlet water assembly, as a crucial component of the shell-and-tube heat exchanger, directly impacts the heat exchanger's efficiency and operational stability through its design.

[0003] Comparing with Chinese Patent Publication No. CN 211552532 U, a blind-zone-free shell-and-tube heat exchanger is disclosed, comprising a shell-and-tube heat exchanger body and auxiliary devices. The auxiliary devices include a buffer tank and multiple branch manifolds. The buffer tank has an inlet and an outlet, with the inlet connected to a water pump and the outlet connected to the shell-side inlet of the shell-and-tube heat exchanger body. The shell-and-tube heat exchanger body has multiple branch inlets, with one end of each branch manifold connected to the buffer tank and the other end connected to one of the branch inlets. This blind-zone-free shell-and-tube heat exchanger has the advantages of a small blind zone, uniform heat exchange, and high heat exchange efficiency.

[0004] The disadvantages of the above patent are: the water inlet assembly does not have an adjustable fixed buffer chamber, and different specifications cannot be configured according to the heat exchanger model. The multi-pipe buffer chamber has low versatility. Utility Model Content

[0005] The purpose of this invention is to provide a water inlet assembly for a shell-and-tube heat exchanger to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A water inlet assembly for a shell-and-tube heat exchanger includes a fixing module, an adjustment module for supporting buffer chambers of different sizes, and a connection module for connecting the shell-and-tube heat exchanger. The buffer chambers are located between the connection modules. Each connection module includes a positioning block with two symmetrical through holes on its top. A connecting frame is fixedly mounted on the positioning block, and two second-order grooves are symmetrically formed between the connecting frame and the positioning block. A flow guide pipe is mounted on the connecting frame, and a flange is provided at one end of the flow guide pipe.

[0008] Preferably, the fixing module includes a base, with a plurality of mounting holes symmetrically provided on both sides of the base, a fitting groove provided on the base, two locking blocks symmetrically provided at the top of the fitting groove, and a cavity provided at the bottom of the fitting groove.

[0009] Preferably, the adjustment module includes a sliding seat, two No. 1 grooves are symmetrically arranged on both sides of the sliding seat, four limiting blocks are symmetrically arranged on the sliding seat, and several connecting holes are opened in the middle of the sliding seat.

[0010] Preferably, the buffer chamber includes a compartment and several diversion pipes. The specifications of the compartment and the number of diversion pipes are adjusted according to the tube side of the heat exchanger. The diversion pipes are connected to the diversion inlets opened on the shell-and-tube heat exchanger.

[0011] Preferably, the positioning block is slidably connected to the sliding seat, and the sliding seat is plugged into the fitting groove.

[0012] Preferably, the two guide pipes are connected to the water pump and the shell-side inlet of the shell-and-tube heat exchanger, respectively.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this utility model, the buffer chamber is fixed by an adjustable flange, which can freely fix buffer chambers of different specifications, expand the scope of application, and make it more versatile.

[0015] 2. In this utility model, multi-level plug-in disassembly facilitates the disassembly and replacement of parts during maintenance and repair, and also facilitates the installation of bolts;

[0016] 3. In this utility model, the weight of the buffer chamber is fully borne by the connecting frame, which reduces the weight load on the two side guide pipes and improves the service life of the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the water inlet assembly of a shell-and-tube heat exchanger according to the present invention;

[0018] Figure 2 This is a structural schematic diagram of the fixing module of the water inlet assembly of a shell-and-tube heat exchanger according to the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the adjustment module of the water inlet assembly of a shell-and-tube heat exchanger according to the present invention;

[0020] Figure 4 This is a structural schematic diagram of the connection module of the water inlet assembly of a shell-and-tube heat exchanger according to the present invention.

[0021] In the attached diagram, the following are the reference numerals: 1. Fixing module; 101. Base; 102. Mounting hole; 103. Fitting groove; 104. Locking block; 105. Cavity; 2. Adjustment module; 201. Sliding seat; 202. No. 1 groove; 203. Limiting block; 204. Connecting hole; 3. Connecting module; 301. Positioning block; 302. Through hole; 303. Connecting frame; 304. No. 2 groove; 305. Guide pipe; 306. Flange; 4. Buffer chamber; 401. Chamber; 402. Diverter pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 A water inlet assembly for a shell-and-tube heat exchanger includes a fixed module 1, an adjustment module 2 for supporting buffer chambers 4 of different specifications on the fixed module 1, a connection module 3 for connecting the shell-and-tube heat exchanger on the adjustment module 2, and a buffer chamber 4 between the connection modules 3.

[0024] In this embodiment: the fixing module 1 includes a base 101, a plurality of mounting holes 102 are symmetrically opened on both sides of the base 101, a fitting groove 103 is opened on the base 101, two locking blocks 104 are symmetrically arranged on the top of the fitting groove 103, and a cavity 105 is provided at the bottom of the fitting groove 103. The base 101 is installed on the fixing surface by bolts through the mounting holes 102, and the sliding seat 201 is inserted into the fitting groove 103. The final fixing of the buffer chamber 4 is completed by the locking blocks 104 and the first groove 202. The cavity 105 provides movement space for the bolts installed in the connecting hole 204.

[0025] In this embodiment: the adjustment module 2 includes a sliding seat 201. Two first grooves 202 are symmetrically arranged on both sides of the sliding seat 201. Four limiting blocks 203 are symmetrically arranged on the sliding seat 201. Several connecting holes 204 are opened in the middle of the sliding seat 201. The connecting module 3 slides in the adjustment module 2 through the second groove 304 and the limiting blocks 203. The through hole 302 and the connecting hole 204 are fixed together by bolts. The buffer chamber 4 is positioned under the support of the connecting frame 303.

[0026] In this embodiment: the connecting module 3 includes a positioning block 301. Two through holes 302 are symmetrically arranged on the top of the positioning block 301. A connecting frame 303 is fixedly mounted on the positioning block 301. Two recesses 304 are symmetrically formed between the connecting frame 303 and the positioning block 301. A guide pipe 305 is mounted on the connecting frame 303. A flange 306 is provided at one end of the guide pipe 305. The two guide pipes 305 are respectively connected to a water pump and the shell-side inlet of a shell-and-tube heat exchanger. The positioning block 301 is slidably connected to a sliding seat 201. The fitting groove 103 is plugged in and connected. The two guide pipes 305 are aligned with the shell-side inlet of the shell-and-tube heat exchanger and the water pump, respectively. The other end is inserted into the inlet and outlet of the buffer chamber 4. The guide pipes 305 and the buffer chamber 4 are connected by bolts through the flange 306. The positioning block 301 is inserted into the sliding seat 201. The connecting module 3 slides in the adjusting module 2 through the second groove 304 and the limiting block 203. The through hole 302 and the connecting hole 204 are fixed together by bolts. The buffer chamber 4 is positioned under the support of the connecting frame 303.

[0027] In this embodiment: the buffer chamber 4 includes a chamber 401 and several diversion pipes 402. The specifications of the chamber 401 and the number of diversion pipes 402 are adjusted according to the tube side of the heat exchanger. The diversion pipes 402 are connected to the diversion inlet opened on the shell and tube heat exchanger.

[0028] Working principle: Align the two guide pipes 305 with the shell-side inlet of the shell-and-tube heat exchanger and the water pump respectively, and insert the other end into the inlet and outlet of the buffer chamber 4. Connect the guide pipes 305 and the buffer chamber 4 with bolts through the flange 306. Insert the positioning block 301 into the sliding seat 201. Slide the connecting module 3 in the adjusting module 2 through the second groove 304 and the limiting block 203. Fix the through hole 302 and the connecting hole 204 together with bolts. Position the buffer chamber 4 with the support of the connecting frame 303. Install the base 101 onto the fixed surface through the mounting hole 102 with bolts. Insert the sliding seat 201 into the fitting groove 103. Finally fix the buffer chamber 4 with the locking block 104 and the first groove 202. The cavity 105 leaves room for the bolts installed in the connecting hole 204 to move.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A water inlet assembly for a shell-and-tube heat exchanger, comprising a fixing module (1), characterized in that: The fixed module (1) is provided with an adjustment module (2) for supporting buffer chambers (4) of different specifications. The adjustment module (2) is provided with a connection module (3) for connecting the shell-and-tube heat exchanger. The buffer chambers are provided between the connection modules. The connecting module (3) includes a positioning block (301), two through holes (302) are symmetrically arranged on the top of the positioning block (301), a connecting frame (303) is fixedly arranged on the positioning block (301), two second grooves (304) are symmetrically opened between the connecting frame (303) and the positioning block (301), a guide pipe (305) is arranged on the connecting frame (303), and a flange (306) is arranged at one end of the guide pipe (305).

2. The water inlet assembly of a shell-and-tube heat exchanger according to claim 1, characterized in that: The fixing module (1) includes a base (101), and a plurality of mounting holes (102) are symmetrically provided on both sides of the base (101). A fitting groove (103) is provided on the base (101), and two locking blocks (104) are symmetrically provided on the top of the fitting groove (103). A cavity (105) is provided at the bottom of the fitting groove (103).

3. The water inlet assembly of a shell-and-tube heat exchanger according to claim 2, characterized in that: The adjustment module (2) includes a sliding seat (201), two grooves (202) are symmetrically arranged on both sides of the sliding seat (201), four limiting blocks (203) are symmetrically arranged on the sliding seat (201), and several connecting holes (204) are opened in the middle of the sliding seat (201).

4. The water inlet assembly of a shell-and-tube heat exchanger according to claim 1, characterized in that: The buffer chamber (4) includes a compartment (401) and several diversion pipes (402). The specifications of the compartment (401) and the number of diversion pipes (402) are adjusted according to the tube side of the heat exchanger. The diversion pipes (402) are connected to the diversion inlet opened on the shell and tube heat exchanger.

5. The water inlet assembly of a shell-and-tube heat exchanger according to claim 3, characterized in that: The positioning block (301) is slidably connected to the sliding seat (201), and the sliding seat (201) is plugged into the fitting groove (103).

6. The water inlet assembly of a shell-and-tube heat exchanger according to claim 1, characterized in that: The two guide pipes (305) are respectively connected to the water pump and the shell-side inlet of the shell-and-tube heat exchanger.

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