CN211695994U

CN211695994U - Plate-shell heat exchanger capable of preventing corrosion and scaling of heat exchange core

Info

Publication number: CN211695994U
Application number: CN202020004433.5U
Authority: CN
Inventors: 俞伟明
Original assignee: Dongguan Hengda Thermal Energy Technology Co ltd
Current assignee: Dongguan Hengda Thermal Energy Technology Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-10-16
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a prevent plate and shell heat exchanger of heat transfer core corruption and scale deposit, including casing, heat transfer core body and supersonic generator, the internally mounted of casing has the heat transfer core body, the drum has been placed to the inside of board side fluid entry, the lateral wall block of drum is connected with the filter screen, the connection hoop has been placed to the rear end of board side fluid entry, the left end fixedly connected with shell side fluid entry of casing, and the right-hand member of casing installs shell side fluid outlet, the rear end bolted connection of casing has the collar, and the inner block of collar is connected with supersonic generator, the spacing groove has been seted up to the inside of drum, and rotates through the connecting axle between the drum monomer and connect. This prevent lamella heat exchanger of heat transfer core corruption and scale deposit is convenient for prevent that the heat transfer core corrodes, and is convenient for prevent the scale deposit of heat transfer core to be convenient for dismantle the change to filter equipment.

Description

Plate-shell heat exchanger capable of preventing corrosion and scaling of heat exchange core

Technical Field

The utility model relates to a lamella heat exchanger correlation technique field specifically is a lamella heat exchanger that prevents corrosion of heat transfer core and scale deposit.

Background

In the industrial fields of oil gas, chemical industry, food and the like, heat exchange can be involved, heat exchangers can be used during heat exchange, the types of the heat exchangers are more, and the plate-shell type heat exchanger is a heat exchanger with a structural form between a shell-and-tube type heat exchanger and a plate type heat exchanger.

However, general lamella heat exchanger is not convenient for prevent heat transfer core corrosion, and is not convenient for prevent the scale deposit of heat transfer core to be not convenient for dismantle the change to filter equipment, the utility model aims to provide a lamella heat exchanger that prevents heat transfer core corrosion and scale deposit, in order to solve the problem that above-mentioned background art provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent plate and shell heat exchanger of heat transfer core corruption and scale deposit to solve most of plate and shell heat exchangers that propose in the above-mentioned background art, be not convenient for prevent heat transfer core corruption, and be not convenient for prevent the scale deposit of heat transfer core, and be not convenient for dismantle the problem of changing to filter equipment.

In order to achieve the above object, the utility model provides a following technical scheme: a plate-shell heat exchanger for preventing corrosion and scaling of a heat exchange core comprises a shell, a heat exchange core body and an ultrasonic generator, wherein the heat exchange core body is arranged in the shell, a plate-side fluid inlet is fixedly connected to the left upper end of the heat exchange core body, a plate-side fluid outlet is fixedly connected to the right upper end of the heat exchange core body, a cylinder is placed in the plate-side fluid inlet, an active carbon filter bag is placed at the bottom end of the cylinder, a filter screen is clamped and connected to the side wall of the cylinder, a connecting rod is fixedly connected to the outer end of the filter screen, a connecting hoop is placed at the rear end of the plate-side fluid inlet, a mounting block is fixedly connected to the outer end of the connecting hoop, a shell-side fluid inlet is fixedly connected to the left end of the shell, a shell-side fluid outlet is installed at the right end of the shell, limiting grooves are formed in the cylinders, and the cylinder monomers are rotatably connected through connecting shafts.

Preferably, the cylinder is connected with the plate-side fluid outlet in a nesting manner, the bottom end of the cylinder is of a porous structure, and the longitudinal section of the cylinder is in a shape like a Chinese character 'ji'.

Preferably, the connecting rods are arranged in bilateral symmetry about a longitudinal central axis of the filter screen, the longitudinal section of each connecting rod is L-shaped, and the mesh diameter of the filter screen is smaller than the hole diameter of the bottom end of the cylinder.

Preferably, an overturning structure is formed between the single connecting hoop bodies, and the cross sections of the single connecting hoop bodies form a circular ring shape.

Preferably, the ultrasonic generators are symmetrically arranged in front and back of a transverse central axis of the shell, and the longitudinal section of the mounting ring connected to the outer end of the ultrasonic generator is in a shape of a Chinese character 'zhong'.

Preferably, the width of the inner wall of the limiting groove is equal to the sum of the thickness of the upper end of the plate-side fluid inlet, the thickness of the upper end of the cylinder and the thickness of the upper end of the connecting rod, and the mounting block connected with the outer end of the limiting groove is of a hollow structure.

Compared with the prior art, the beneficial effects of the utility model are that: the plate-shell type heat exchanger capable of preventing the corrosion and scaling of the heat exchange core is convenient to prevent the corrosion of the heat exchange core, prevent the scaling of the heat exchange core and disassemble and replace the filtering device;

1. the heat exchange core body is provided with a cylinder, a filter screen and an active carbon filter bag, wherein the diameter of a mesh hole of the filter screen is smaller than that of a hole at the bottom end of the cylinder, so that water entering the fluid inlet at the side of the plate is filtered by the filter screen, and then the water is filtered by the active carbon filter bag, so that substances contained in the water are prevented from entering the fluid inlet at the side of the plate to corrode the heat exchange core body;

2. the heat exchange core body is provided with a cylinder, a filter screen and an ultrasonic generator, wherein the filter screen filters water to prevent impurities from entering the shell and the heat exchange core body to cause scaling, and the ultrasonic generator is symmetrically arranged in front and back of a transverse central axis of the shell to enable signals generated by the ultrasonic generator to be transmitted to the inside of the shell, so that scales cannot be adsorbed on the inner walls of the shell and the heat exchange core body;

3. be equipped with connection hoop and connecting rod, the free structural design of connection hoop for separation between the connection hoop monomer, the connected mode of drum and board side fluid outlet is nested connection, makes the drum take out in can follow board side fluid entrance, and the connecting rod sets up about the vertical axis bilateral symmetry of filter screen, takes out the filter screen from the drum through the connecting rod, thereby dismantles the change to filter equipment.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the left side view section of the ultrasonic generator of the present invention connected to the housing;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the connection structure of the limiting groove and the cylinder;

fig. 5 is the left side view structure schematic diagram of the utility model discloses the collar is connected with supersonic generator.

In the figure: 1. a housing; 2. a heat exchange core body; 3. a plate-side fluid inlet; 4. a plate-side fluid outlet; 5. a cylinder; 6. an active carbon filter bag; 7. a filter screen; 8. a connecting rod; 9. a connecting hoop; 10. mounting blocks; 11. a shell-side fluid inlet; 12. a shell-side fluid outlet; 13. an ultrasonic generator; 14. a mounting ring; 15. a limiting groove; 16. and (7) connecting the shafts.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a plate-shell type heat exchanger for preventing corrosion and scaling of a heat exchange core comprises a shell 1, a heat exchange core body 2, a plate-side fluid inlet 3, a plate-side fluid outlet 4, a cylinder 5, an activated carbon filter bag 6, a filter screen 7, a connecting rod 8, a connecting hoop 9, a mounting block 10, a shell-side fluid inlet 11, a shell-side fluid outlet 12, an ultrasonic generator 13, a mounting ring 14, a limiting groove 15 and a connecting shaft 16, wherein the heat exchange core body 2 is mounted inside the shell 1, the plate-side fluid inlet 3 is fixedly connected with the left upper end of the heat exchange core body 2, the plate-side fluid outlet 4 is fixedly connected with the right upper end of the heat exchange core body 2, the cylinder 5 is placed inside the plate-side fluid inlet 3, the activated carbon filter bag 6 is placed at the bottom end of the cylinder 5, the filter screen 7 is connected with the side, the connecting hoop 9 has been placed to the rear end of board side fluid entry 3, and the outer end fixedly connected with installation piece 10 of connecting hoop 9, the left end fixedly connected with shell side fluid entry 11 of casing 1, and the right-hand member of casing 1 installs shell side fluid export 12, the rear end bolted connection of casing 1 has mounting ring 14, and the inner block of mounting ring 14 is connected with supersonic generator 13, spacing groove 15 has been seted up to the inside of drum 5, and rotate through connecting axle 16 between the drum 5 monomer and connect.

As shown in fig. 1 and 3, the cylinder 5 is connected with the plate-side fluid outlet 4 in a nested manner, the bottom end of the cylinder 5 is of a porous structure, and the longitudinal cross section of the cylinder 5 is shaped like a Chinese character ji, so that the cylinder 5 can be separated from the plate-side fluid inlet 3, the lower end of the cylinder 5 can allow water to flow into the heat exchange core body 2 and simultaneously can prevent the active carbon filter bag 6 from falling off, the upper end of the cylinder 5 is placed at the upper end of the plate-side fluid inlet 3, the connecting rods 8 are arranged in a left-right symmetrical manner about the longitudinal central axis of the filter screen 7, the longitudinal cross section of the connecting rods 8 is shaped like a Chinese character 'L', the mesh diameter of the filter screen 7 is smaller than the hole diameter of the bottom end of the cylinder 5, and the filter screen 7 is clamped on the inner wall of;

as shown in fig. 4, an overturning structure is formed between the single connecting hoops 9, the cross section of the single connecting hoops 9 forms a circular ring shape, when the connecting hoops 9 are overturned, the circular ring formed by the single connecting hoops 9 surrounds the outer ends of the plate-side fluid inlet 3 and the cylinder 5, the width of the inner wall of the limiting groove 15 is equal to the sum of the thickness of the upper end of the plate-side fluid inlet 3, the thickness of the upper end of the cylinder 5 and the thickness of the upper end of the connecting rod 8, the mounting block 10 connected with the outer end of the limiting groove 15 is a hollow structure, the limiting groove 15 can limit the upper end of the plate-side fluid inlet 3, the upper end of the cylinder 5 and the upper end of the connecting rod 8 in the limiting groove 15, and the;

as shown in fig. 2 and 5, the ultrasonic generators 13 are symmetrically arranged in front and back with respect to the horizontal central axis of the housing 1, and the longitudinal cross-sectional shape of the mounting ring 14 connected to the outer end of the ultrasonic generator 13 is a "middle" shape, so that the ultrasonic generator 13 generates a signal to the inside of the housing 1, and the inner end of the ultrasonic generator 13 is attached to the outer wall of the housing 1 through the mounting ring 14.

The working principle is as follows: when the plate-shell heat exchanger for preventing corrosion and scaling of the heat exchange core is used, referring to fig. 1 and fig. 3, when water enters the inside of the heat exchange core body 2 from the plate side fluid inlet 3, the water is filtered for the first time through the filter screen 7 and then enters the activated carbon filter bag 6 for secondary filtration, so that substances in the water are filtered, the substances are prevented from entering the inside of the heat exchange core body 2 to cause corrosion, and after the water enters from the shell side fluid inlet 11, the water is filtered through the activated carbon filter bag 6, the substances are prevented from entering the inside of the shell 1 to cause corrosion of the outer wall of the heat exchange core body 2;

with reference to fig. 2 and 3, the diameter of the mesh of the filter screen 7 is smaller than the diameter of the hole at the bottom end of the cylinder 5, so that the filter screen 7 and the activated carbon filter bag 6 filter impurities in water, and the water enters the shell 1 and the heat exchange core body 2 to reduce scaling, and the ultrasonic generator 13 transmits a generated signal to the interiors of the shell 1 and the heat exchange core body 2 when working, so that scale adhered to the inner walls of the shell 1 and the heat exchange core body 2 falls off, and scaling is prevented;

referring to fig. 3 and 4, when the filter screen 7 needs to be disassembled and cleaned after being used for a period of time, the bolts penetrating through the installation blocks 10 are unscrewed, the connection hoop 9 is turned over to remove the connection hoop 9 from the plate-side fluid inlet 3 and the shell-side fluid inlet 11, the cylinder 5 is taken out from the plate-side fluid inlet 3 and the shell-side fluid inlet 11, the connection rod 8 is pulled to separate the filter screen 7 from the side wall of the cylinder 5, the filter screen 7 is cleaned, the activated carbon filter bag 6 at the bottom end of the cylinder 5 is taken out and replaced with a new one, after cleaning, the cylinder 5, the filter screen 7 and the activated carbon filter bag 6 are respectively installed, the connection hoop 9 is placed at the outer ends of the plate-side fluid inlet 3 and the shell-side fluid inlet 11, so that the upper end of the plate-side fluid inlet 3, the upper end of the cylinder 5 and the upper end of the connection rod 8 are clamped in the limit groove 15, the connection hoop 9 is turned over to enable the 2 groups, the working principle of the plate-shell type heat exchanger for preventing the corrosion and the scaling of the heat exchange core is the same.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prevent plate and shell heat exchanger of heat transfer core corruption and scale deposit, includes casing (1), heat transfer core body (2) and supersonic generator (13), its characterized in that: the heat exchange core body (2) is arranged inside the shell (1), the upper left end of the heat exchange core body (2) is fixedly connected with a plate-side fluid inlet (3), the upper right end of the heat exchange core body (2) is fixedly connected with a plate-side fluid outlet (4), a cylinder (5) is placed inside the plate-side fluid inlet (3), an active carbon filter bag (6) is placed at the bottom end of the cylinder (5), a filter screen (7) is clamped and connected to the side wall of the cylinder (5), a connecting rod (8) is fixedly connected to the outer end of the filter screen (7), a connecting hoop (9) is placed at the rear end of the plate-side fluid inlet (3), a mounting block (10) is fixedly connected to the outer end of the connecting hoop (9), a shell-side fluid inlet (11) is fixedly connected to the left end of the shell (1), and a shell-side fluid outlet (12), the rear end of the shell (1) is connected with a mounting ring (14) through a bolt, the inner end of the mounting ring (14) is connected with an ultrasonic generator (13) in a clamping mode, a limiting groove (15) is formed in the cylinder (5), and the single cylinder (5) is rotatably connected through a connecting shaft (16).

2. The plate-shell heat exchanger for preventing the corrosion and the scaling of the heat exchange core body as claimed in claim 1, is characterized in that: the connection mode of the cylinder (5) and the plate-side fluid outlet (4) is nested connection, the bottom end of the cylinder (5) is of a porous structure, and the longitudinal section of the cylinder (5) is in a shape of a Chinese character ji.

3. The plate-shell heat exchanger for preventing the corrosion and the scaling of the heat exchange core body as claimed in claim 1, is characterized in that: connecting rod (8) set up about the longitudinal axis bilateral symmetry of filter screen (7), and the longitudinal section shape of connecting rod (8) is "L" style of calligraphy to the mesh diameter of filter screen (7) is less than the poroid diameter of drum (5) bottom.

4. The plate-shell heat exchanger for preventing the corrosion and the scaling of the heat exchange core body as claimed in claim 1, is characterized in that: the connection hoop (9) single bodies form a turnover structure, and the cross sections of the connection hoop (9) single bodies form a circular ring shape.

5. The plate-shell heat exchanger for preventing the corrosion and the scaling of the heat exchange core body as claimed in claim 1, is characterized in that: the ultrasonic generator (13) is symmetrically arranged in front and back of the transverse central axis of the shell (1), and the longitudinal section of the mounting ring (14) connected with the outer end of the ultrasonic generator (13) is shaped like a Chinese character 'zhong'.

6. The plate-shell heat exchanger for preventing the corrosion and the scaling of the heat exchange core body as claimed in claim 1, is characterized in that: the width of the inner wall of the limiting groove (15) is equal to the sum of the thickness of the upper end of the plate-side fluid inlet (3), the thickness of the upper end of the cylinder (5) and the thickness of the upper end of the connecting rod (8), and the mounting block (10) connected with the outer end of the limiting groove (15) is of a hollow structure.