CN215373623U

CN215373623U - Shell and tube heat exchanger for central air conditioning unit

Info

Publication number: CN215373623U
Application number: CN202120932262.7U
Authority: CN
Inventors: 汪海波; 张风流
Original assignee: Nantong Bainian Energy Saving Technology Co ltd
Current assignee: Nantong Bainian Energy Saving Technology Co ltd
Priority date: 2021-05-01
Filing date: 2021-05-01
Publication date: 2021-12-31
Anticipated expiration: 2031-05-01

Abstract

The utility model relates to the technical field of shell-and-tube heat exchangers, in particular to a shell-and-tube heat exchanger for a central air conditioning unit, which comprises an apparatus main body, wherein the apparatus main body comprises a shell, a cold liquid inlet is formed in the left inner wall of the top end of the shell, a hot liquid inlet is formed in the right inner wall of the top end of the shell, a cold liquid outlet is formed in the left inner wall of the bottom end of the shell, filtering mechanisms are arranged in the hot liquid inlet and the cold liquid outlet, a cold liquid outlet and a hot liquid outlet are sequentially formed in the bottom end of the shell from left to right, a pipeline is arranged in the shell, and an anti-corrosion mechanism is arranged on the outer surface of the pipeline. According to the utility model, liquid is filtered through the filter plate, so that when the liquid enters the pipeline, the pipeline cannot be blocked due to large impurities carried, the filter plate can be rapidly disassembled and cleaned, the practicability is high, and the working efficiency is improved.

Description

Shell and tube heat exchanger for central air conditioning unit

Technical Field

The utility model relates to the technical field of shell-and-tube heat exchangers, in particular to a shell-and-tube heat exchanger for a central air-conditioning unit.

Background

The shell-and-tube heat exchanger is a traditional heat exchanger which is most widely applied and generally comprises a shell, a pipeline and an inlet and an outlet, and the shell-and-tube heat exchanger is a vital part of a central air-conditioning system, and directly influences the high efficiency of the central air-conditioning system in operation by adopting the types, the operation modes, the structural forms and the like.

The existing shell-and-tube heat exchanger for the central air-conditioning unit has the defects that liquid enters the inside of a pipeline through a cold liquid inlet and a hot liquid inlet during the use period, impurities exist in the liquid, and if the impurities are not filtered, the pipeline inside a shell is easily blocked, so that the use of the shell-and-tube heat exchanger is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problems, the present invention provides a shell and tube heat exchanger for a central air conditioning unit, which solves the problem of the prior shell and tube heat exchanger proposed in the background art that liquid enters the interior of the pipe through the cold liquid inlet and the hot liquid inlet during use, but impurities in the liquid are not filtered.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shell and tube heat exchanger for central air conditioning unit, includes the device main part, the device main part includes the casing, casing top left side inner wall is provided with cold liquid import, and casing top right side inner wall is provided with hot liquid import, casing bottom left side inner wall is provided with cold liquid export, and hot liquid import and cold liquid export inside all are provided with filtering mechanism, the casing bottom has set gradually cold liquid export and hot liquid export respectively from a left side to the right side, and the inside pipeline that is provided with of casing, the pipeline surface is provided with anticorrosive mechanism, the both ends of pipeline are fixed with the tube sheet respectively, and the tube sheet is fixed respectively at shells inner wall, filtering mechanism includes the filter, and cold liquid import and hot liquid import inner wall all are connected with the filter through fixture.

Preferably, fixture is including moving about the chamber, and cold liquid import and hot liquid import front and back both sides inner wall have all seted up moving about the chamber, moving about intracavity wall both sides all run through the inserted bar, and the inserted bar is close to the all fixedly connected with fixed plate in one side of filter, two sets of the fixed plate is all inserted and is established in the hole that the both sides inner wall was seted up around the filter, and the inserted bar keeps away from the all fixedly connected with connecting rod of one end of fixed plate, two sets of the all fixedly connected with handle in the connecting rod outside, and moving about intracavity wall both sides all have first hinge bar, four sets of the first hinge bar other end all has the second hinge bar, four sets of the second hinge bar all keeps away from one side both sides of filter through pivot swing joint at the fixed plate, and all fixedly connected with springs between first hinge bar and the second hinge bar.

Preferably, the anticorrosion mechanism comprises a protective sleeve, the outer surface of the pipeline is sleeved with the protective sleeve, the upper side and the lower side of the inner wall of the protective sleeve are both provided with grooves, the inner walls of the grooves are both adhered with anticorrosion layers at equal intervals, and the anticorrosion layers are all made of rubber.

Preferably, the outer walls of the two sides of the two groups of filter plates are glued with sealing gaskets, and the outer walls of the sealing gaskets are attached to the inner walls of the two sides of the cold liquid inlet and the hot liquid inlet.

Preferably, the inner walls of the two groups of the grooves are glued with buffering cushions at equal intervals, and the buffering cushions are designed into a spherical shape.

Preferably, the inner wall of the protecting sleeve is glued with a non-slip mat, and the inner wall of the non-slip mat is attached to the outer wall of the tube plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the shell-and-tube heat exchanger for the central air conditioning unit is provided with the filtering mechanism, when liquid passes through the cold liquid inlet and the hot liquid inlet, the liquid is filtered through the filtering plate, so that when the liquid enters the pipeline, the pipeline cannot be blocked due to large impurities carried, and after the filtering plate is used for a period of time, the connecting rod drives the inserted rod and the fixing plate to move by pulling the handle, so that the fixing of the filtering plate is removed, the filtering plate can be quickly disassembled and cleaned, the practicability is high, and the working efficiency is improved;

2. this shell and tube heat exchanger for central air conditioning unit is provided with anticorrosive mechanism, because the pipeline uses down to lead to the fact the corruption by liquid for a long time, consequently through being equipped with the lag at the outer surface cover of pipeline to seted up the fluting at the lag inner wall, be provided with the anticorrosive coating in fluting inside, reduced the corrosivity of liquid to the pipeline, thereby improved the corrosion resistance of pipeline greatly, prolonged the life of pipeline.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is a schematic sectional top view of the cold liquid inlet of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic left side cross-sectional view of the piping structure of FIG. 1 in accordance with the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 2 according to the present invention.

In the figure: 110. a housing; 120. a cold liquid inlet; 130. a hot liquid inlet; 140. a cold liquid outlet; 150. a hot liquid outlet; 160. a pipeline; 170. a tube sheet; 210. a filter plate; 211. a gasket; 220. a movable cavity; 230. inserting a rod; 240. a fixing plate; 250. a connecting rod; 260. a handle; 270. a first hinge lever; 280. a second hinge lever; 290. a spring; 310. a protective sleeve; 320. grooving; 330. an anticorrosive layer; 340. a cushion pad; 350. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a shell and tube heat exchanger for a central air conditioning unit comprises a device body, the device body comprises a shell 110, a cold liquid inlet 120 is arranged on the left inner wall of the top end of the shell 110, a hot liquid inlet 130 is arranged on the right inner wall of the top end of the shell 110, a cold liquid outlet 140 is arranged on the left inner wall of the bottom end of the shell 110, filtering mechanisms are arranged inside the hot liquid inlet 130 and the cold liquid outlet 140, a cold liquid outlet 140 and a hot liquid outlet 150 are sequentially arranged at the bottom end of the shell 110 from left to right, a pipeline 160 is arranged inside the shell 110, an anti-corrosion mechanism is arranged on the outer surface of the pipeline 160, tube plates 170 are respectively fixed at two ends of the pipeline 160, the tube plates 170 are respectively fixed on the inner wall of the shell 110, each filtering mechanism comprises a filtering plate 210, a filtering plate 210 is connected with the inner walls of the cold liquid inlet 120 and the hot liquid inlet 130 through a clamping mechanism, and liquid is filtered through the filtering plate 210, therefore, when liquid enters the pipeline 160, the pipeline 160 is not blocked by large impurities, the clamping mechanism comprises a movable cavity 220, the inner walls of the front and the back sides of the cold liquid inlet 120 and the hot liquid inlet 130 are provided with the movable cavities 220, both sides of the inner wall of the movable cavity 220 penetrate through the inserted rod 230, one side of the inserted rod 230 close to the filter plate 210 is fixedly connected with a fixed plate 240, two groups of fixed plates 240 are inserted in holes formed in the inner walls of the front and the back sides of the filter plate 210, one end of the inserted rod 230 far away from the fixed plate 240 is fixedly connected with a connecting rod 250, the outer sides of the two groups of connecting rods 250 are fixedly connected with a handle 260, both sides of the inner wall of the movable cavity 220 are movably connected with a first hinge rod 270 through a rotating shaft, the other ends of the four groups of first hinge rods 270 are movably connected with second hinge rods 280 through rotating shafts, the four groups of second hinge rods 280 are movably connected at both sides of one side of the fixed plate 240 far away from the filter plate 210 through rotating shafts, and a spring 290 is fixedly connected between the first hinge rod 270 and the second hinge rod 280, the fixing of the filter plate 210 can be quickly released by pulling the handle 260, so that the filter plate 210 can be quickly disassembled for cleaning.

The anti-corrosion mechanism comprises a protective sleeve 310, the outer surface of the pipeline 160 is sleeved with the protective sleeve 310, the upper side and the lower side of the inner wall of the protective sleeve 310 are provided with the notches 320, the inner walls of the two groups of notches 320 are adhered with the anti-corrosion layers 330 at equal intervals, the anti-corrosion layers 330 are all made of rubber, and the protective sleeve 310, the notches 320 and the anti-corrosion layers 330 are arranged, so that the corrosion of liquid to the pipeline 160 is reduced, and the service life of the pipeline 160 is prolonged.

The outer walls of the two sides of the two sets of filter plates 210 are glued with gaskets 211, and the outer walls of the gaskets 211 are attached to the inner walls of the two sides of the cold liquid inlet 120 and the hot liquid inlet 130, when the filter plates 210 are installed on the inner walls of the cold liquid inlet 120 and the hot liquid inlet 130, the sealing performance of the two sides of the filter plates 210 is improved through the gaskets 211.

The buffer pads 340 are glued on the inner walls of the two groups of slots 320 at equal intervals, the buffer pads 340 are in a spherical design, and the buffer pads 340 are arranged, so that when the pipeline 160 is impacted, the pipeline 160 can be slowed down by the buffer pads 340, and the stability of the pipeline 160 in the use period is ensured

The antiskid pad 350 is adhered to the inner wall of the protecting sleeve 310, the inner wall of the antiskid pad 350 is attached to the outer wall of the tube plate 170, and the antiskid pad 350 is adhered to the inner wall of the protecting sleeve 310, so that when the protecting sleeve 310 is sleeved on the outer wall of the tube plate 170, friction can be increased, and the protecting sleeve 310 cannot easily move.

When the filter plate 210 needs to be installed, the handle 260 is pulled outwards, the inserting rod 230 and the fixing plate 240 are driven to move through the connecting rod 250 at the moment, the filter plate 210 is clamped in the inner walls of the cold liquid inlet 120 and the hot liquid inlet 130 at the moment, then the handle 260 is released, under the elastic action of the spring 290, the first hinge rod 270 and the second hinge rod 280 rotate to abut against the fixing plate 240, the fixing plate 240 moves inwards, the filter plate 210 is fixed, the corrosion resistance of the pipeline 160 is improved under the action of the corrosion-resistant layer 330 inside the groove 320 by sleeving the protective sleeve 310 on the outer surface of the pipeline 160, then under the action of the buffer cushion 340, the pipeline 160 is more stable during use, and the operation is finished.

Claims

1. A shell and tube heat exchanger for a central air conditioning unit, comprising a device body including a shell (110), characterized in that: a cold liquid inlet (120) is arranged on the inner wall of the left side of the top end of the shell (110), a hot liquid inlet (130) is arranged on the inner wall of the right side of the top end of the shell (110), a cold liquid outlet (140) is arranged on the inner wall of the left side of the bottom end of the shell (110), and the hot liquid inlet (130) and the cold liquid outlet (140) are both internally provided with a filtering mechanism, the bottom end of the shell (110) is respectively provided with a cold liquid outlet (140) and a hot liquid outlet (150) from left to right, a pipeline (160) is arranged in the shell (110), an anti-corrosion mechanism is arranged on the outer surface of the pipeline (160), tube plates (170) are respectively fixed at two ends of the pipeline (160), and the tube plates (170) are respectively fixed on the inner wall of the shell (110), the filtering mechanism comprises a filtering plate (210), and the inner walls of the cold liquid inlet (120) and the hot liquid inlet (130) are connected with a filter plate (210) through a clamping mechanism.

2. The shell and tube heat exchanger for the central air conditioning unit according to claim 1, characterized in that: fixture is including activity chamber (220), and both sides inner wall has all seted up activity chamber (220) around cold liquid import (120) and hot liquid import (130), activity chamber (220) inner wall both sides all run through inserted bar (230), and inserted bar (230) are close to all fixedly connected with fixed plate (240) in one side of filter (210), and are two sets of fixed plate (240) all insert and establish in the hole that the both sides inner wall was seted up around filter (210), and inserted bar (230) keep away from the one end of fixed plate (240) all fixedly connected with connecting rod (250), two sets of all fixedly connected with handle (260) in connecting rod (250) outside, and activity chamber (220) inner wall both sides all have first articulated rod (270), four sets of first articulated rod (270) other end all has second articulated rod (280) through pivot swing joint, four sets of second articulated rod (280) all keep away from the filter (210) through pivot swing joint at fixed plate (240) through pivot swing joint And springs (290) are fixedly connected between the first hinge rod (270) and the second hinge rod (280).

3. The shell and tube heat exchanger for the central air conditioning unit according to claim 1, characterized in that: the anti-corrosion mechanism comprises a protective sleeve (310), the outer surface of the pipeline (160) is sleeved with the protective sleeve (310), the upper side and the lower side of the inner wall of the protective sleeve (310) are both provided with grooves (320), anti-corrosion layers (330) are adhered to the inner walls of the grooves (320) at equal intervals, and the main materials of the anti-corrosion layers (330) are all rubber.

4. The shell and tube heat exchanger for the central air conditioning unit according to claim 1, characterized in that: and sealing gaskets (211) are glued on the outer walls of the two sides of the two groups of filter plates (210), and the outer walls of the sealing gaskets (211) are attached to the inner walls of the two sides of the cold liquid inlet (120) and the hot liquid inlet (130).

5. The shell and tube heat exchanger for the central air conditioning unit according to claim 3, characterized in that: cushions (340) are glued on the inner walls of the two groups of slots (320) at equal intervals, and the shape of the cushions (340) is designed to be spherical.

6. The shell and tube heat exchanger for the central air conditioning unit according to claim 3, characterized in that: and the inner wall of the protective sleeve (310) is glued with a non-slip mat (350), and the inner wall of the non-slip mat (350) is attached to the outer wall of the tube plate (170).