CN219222829U - Shell-and-tube heat exchange type electric heater - Google Patents

Abstract

The utility model discloses a shell-and-tube heat exchange type electric heater, which comprises a heat exchange cabin, a medium cavity and a junction box, wherein one side of the medium cavity is fixedly connected with one side of the heat exchange cabin, and the junction box is arranged on one side of the heat exchange cabin; the filter tank is fixedly connected to the feed inlet of the heat exchange cabin, a filter screen is arranged between the inner walls of the filter tank, and a sealing door is arranged on the filter tank. The utility model discloses a shell-and-tube heat exchange type electric heater, which is characterized in that a filter box, a filter screen, a sealing door and a sealing ring are added on the basis of the original shell-and-tube heat exchange type electric heater, the filter box is added at a feed inlet of a heat exchange cabin, a clamping block is arranged on the inner wall of the filter box, the filter screen is arranged on the clamping block, the filter screen is arranged to realize that media entering the heat exchange cabin are filtered, the deposition in the heat exchange cabin is reduced, the electric heating element can always operate safely, and the sealing door is arranged at one side of the filter box, so that the filter box is opened to replace and clean the filter screen.

Description

Shell-and-tube heat exchange type electric heater

Technical Field

The utility model relates to the technical field of electric heating, in particular to a shell-and-tube heat exchange type electric heater.

Background

The heater is used for heating various mediums, compared with a mode that the mediums are directly heated by the electric heater in the container, the safety is higher, compared with the mode that the mediums are firstly heated by the electric heater, and then the driving pump is used for connecting the heat carrier to the heat exchange equipment body through the pipeline, the volume is smaller, the cost is lower, and the heat carrier can still keep a higher heat transfer effect in a static state.

For example, the patent number CN205066159U is a shell-and-tube heat exchange type electric heater, for example, the safety is higher than that of a mode of heating a medium directly through an electric heater in a container, the heat carrier is heated by the electric heater before being connected to a heat exchange device body through a pipeline by using a driving pump, the volume is smaller, the cost is lower, and the heat carrier can still maintain higher heat transfer effect under a static state.

The defects exist in the prior art:

because the medium contains a small amount of impurities, the impurities can be deposited on two sides of the baffle plate below the pressure vessel, the longer the time is, the more the deposition is, finally, the electric heating element is buried in the impurities, the heat cannot be emitted, the phenomenon of tube explosion of the electric heating element can be caused, and serious economic loss is brought to the whole system, so that the practicability is poor.

Aiming at the defects of the prior art, the utility model discloses a shell-and-tube heat exchange type electric heater to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model discloses a shell-and-tube heat exchange type electric heater, which is characterized in that a filter box, a filter screen, a sealing door and a sealing ring are additionally arranged on the original basis of the shell-and-tube heat exchange type electric heater, the filter box is additionally arranged at a feed inlet of a heat exchange cabin, the filter screen is arranged in the filter box, and media entering the heat exchange cabin are filtered, so that the deposition in the heat exchange cabin is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the shell-and-tube heat exchange type electric heater comprises a heat exchange cabin, a medium cavity and a junction box, wherein one side of the medium cavity is fixedly connected with one side of the heat exchange cabin, and the junction box is arranged on one side of the heat exchange cabin;

the filter screen is arranged between the inner walls of the filter tanks, the filter tanks are provided with sealing doors, and one sides of the sealing doors are fixedly connected with sealing rings;

the middle part fixedly connected with baffle in medium chamber, one side in medium chamber is connected with U type heat pipe in a penetration way, one side electric connection of terminal box has the electric heating element.

Preferably, the bottom of the heat exchange cabin is fixedly connected with a heat carrier exit tube, the inner walls of the top and the bottom of the heat exchange cabin are fixedly connected with a plurality of baffle plates, one end of the U-shaped heat pipe is arranged in the heat exchange cabin, and one end of the electric heating element is arranged in the heat exchange cabin.

Preferably, the top of the medium cavity is fixedly connected with a medium inlet pipe, and the bottom of the medium cavity is fixedly connected with a medium outlet pipe.

Preferably, the inner walls of both sides of the filter box are fixedly connected with clamping blocks, the clamping blocks are arranged at the bottom of the filter screen, and the top of the filter box is fixedly connected with a heat carrier inlet pipe.

Preferably, the sealing door is connected with a fixing nut in a threaded penetrating manner at one side close to the top and the bottom, and one end of the fixing nut is sleeved on one side of the filter box in a threaded manner.

Preferably, the middle part of the U-shaped heat pipe is connected with one side of the baffle plate in a penetrating way, and the middle part of the electric heating element is connected with one side of the baffle plate in a penetrating way.

The utility model has the technical effects and advantages that:

this shell-and-tube heat exchange type electric heater increases rose box, filter screen, sealing door and sealing washer on original basis, increases the rose box in the pan feeding mouth department of heat transfer cabin, and the rose box inner wall sets up the fixture block, sets up the filter screen on the fixture block, sets up the filter screen and has realized filtering the medium that gets into the heat transfer cabin, reduces the siltation in the heat transfer cabin, guarantees the operation that electric heating element can always be safe, sets up the sealing door in one side of rose box, and this setting has realized opening the rose box and has changed the filter screen and wash, increases the sealing washer realization and seals the rose box better, prevents that the medium from flowing out.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present utility model.

In the figure:

1. a heat exchange cabin; 101. a heat carrier inlet tube; 102. a heat carrier outlet pipe; 103. a baffle plate;

2. a medium chamber; 201. a medium inlet pipe; 202. a medium outlet pipe; 203. a baffle;

3. a junction box;

4. a filter box; 401. a clamping block;

5. a filter screen;

6. sealing the door; 601. a fixing nut;

7. a seal ring;

8. u-shaped heat pipes;

9. an electric heating element.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a shell-and-tube heat exchange type electric heater as shown in fig. 1-2, which comprises a heat exchange cabin 1, a medium cavity 2 and a junction box 3, wherein one side of the medium cavity 2 is fixedly connected with one side of the heat exchange cabin 1, and the junction box 3 is arranged on one side of the heat exchange cabin 1;

the filter box 4 is fixedly connected to the feed inlet of the heat exchange cabin 1, the filter screen 5 is arranged between the inner walls of the filter box 4, the filter box 4 is provided with the sealing door 6, one side of the sealing door 6 is fixedly connected with the sealing ring 7, the sealing door 6 is arranged to realize that the filter box 4 is opened to replace and clean the filter screen 5, and the sealing ring 7 is added to realize better sealing of the filter box 4 and prevent media from flowing out;

the middle part fixedly connected with baffle 203 of medium chamber 2, one side in medium chamber 2 alternates and is connected with U type heat pipe 8, and one side electric connection of terminal box 3 has electrothermal element 9, and electrothermal element 9 mainly comprises conductive material and film forming material, and heat distribution is even, and when the circular telegram was heated, heat can be rapidly transmitted to the quilt heating member, and the setting up U type heat pipe 8 and electrothermal element 9 has all been realized carrying out the heating with the medium in the heat transfer cabin 1.

The bottom fixedly connected with heat carrier exit tube 102 of heat exchange chamber 1, the equal fixedly connected with of inner wall of heat exchange chamber 1 top and bottom baffle 103, the one end setting of U type heat pipe 8 is in the inside of heat exchange chamber 1, and the one end setting of electric heating element 9 is in the inside of heat exchange chamber 1, and the top and the bottom of heat exchange chamber 1 cavity are crisscross to be provided with multiunit baffle 103, have realized that the medium that will get into carries out the sparse stream in heat exchange chamber 1 inside.

The top of the medium cavity 2 is fixedly connected with a medium inlet pipe 201, and the bottom of the medium cavity 2 is fixedly connected with a medium outlet pipe 202, so that the heat medium enters the medium cavity 2 from the medium inlet pipe 201 and flows out of the medium cavity 2 from the medium outlet pipe 202.

The equal fixedly connected with fixture block 401 of inner wall on rose box 4 both sides, and fixture block 401 sets up in the bottom of filter screen 5, and the top fixedly connected with heat carrier of rose box 4 goes into pipe 101, and the rose box 4 inner wall sets up fixture block 401, sets up filter screen 5 on the fixture block 401, sets up filter screen 5 and has realized filtering the medium that will get into heat exchange cabin 1, reduces the siltation in the heat exchange cabin 1.

The sealing door 6 is connected with a fixing nut 601 in a threaded penetrating way on one side close to the top and the bottom, and one end of the fixing nut 601 is sleeved on one side of the filter box 4 in a threaded way.

The middle part of the U-shaped heat pipe 8 is connected with one side of the baffle plate 103 in a penetrating way, and the middle part of the electric heating element 9 is connected with one side of the baffle plate 103 in a penetrating way.

The working principle of the utility model is as follows:

firstly, the power supply of the junction box 3 is turned on to heat the electric heating element 9, the heat medium flows into the upper cavity of the medium cavity 2 through the medium inlet pipe 201, then flows into the U-shaped heat pipe 8, finally flows into the lower cavity of the medium cavity 2, and finally flows out through the medium outlet pipe 202;

secondly, the medium to be heated flows into the filter box 4 through the hot carrier inlet pipe 101, is filtered through the filter screen 5, flows into the heat exchange cabin 1, flows in the heat exchange cabin 1 through the baffle plate 103, is heated for multiple times, and finally flows out through the hot carrier outlet pipe 102;

finally, after the shell-and-tube heat exchange type electric heater is used for a long time, the sealing door 6 at one side of the filter box 4 is opened, the filter screen 5 is taken out from the filter box 4, the deposited on the filter screen 5 is cleaned, the cleaned filter screen 5 is put back into the filter box 4, the filter screen 5 is clamped on the clamping block 401, the sealing door 6 is closed, and the filter screen is fixed through the fixing nut 601.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The shell-and-tube heat exchange type electric heater comprises a heat exchange cabin (1), a medium cavity (2) and a junction box (3), and is characterized in that one side of the medium cavity (2) is fixedly connected with one side of the heat exchange cabin (1), and the junction box (3) is arranged on one side of the heat exchange cabin (1);

the filter tank is characterized in that a filter tank (4) is fixedly connected to a feed inlet of the heat exchange cabin (1), a filter screen (5) is arranged between the inner walls of the filter tank (4), a sealing door (6) is arranged on the filter tank (4), and a sealing ring (7) is fixedly connected to one side of the sealing door (6);

the middle part fixedly connected with baffle (203) of medium chamber (2), one side in medium chamber (2) is connected with U type heat pipe (8) in the interlude, one side electric connection of terminal box (3) has electric heating element (9).

2. The shell-and-tube heat exchange type electric heater according to claim 1, wherein the bottom of the heat exchange cabin (1) is fixedly connected with a heat carrier outlet pipe (102), the inner walls of the top and the bottom of the heat exchange cabin (1) are fixedly connected with a plurality of baffle plates (103), one end of the U-shaped heat pipe (8) is arranged in the heat exchange cabin (1), and one end of the electric heating element (9) is arranged in the heat exchange cabin (1).

3. The shell-and-tube heat exchange type electric heater according to claim 1, wherein the top of the medium cavity (2) is fixedly connected with a medium inlet pipe (201), and the bottom of the medium cavity (2) is fixedly connected with a medium outlet pipe (202).

4. The shell-and-tube heat exchange type electric heater according to claim 1, wherein the inner walls of the two sides of the filter box (4) are fixedly connected with clamping blocks (401), the clamping blocks (401) are arranged at the bottom of the filter screen (5), and the top of the filter box (4) is fixedly connected with a heat carrier inlet pipe (101).

5. The shell-and-tube heat exchange type electric heater according to claim 1, wherein a fixing nut (601) is threaded and connected to one side of the sealing door (6) close to the top and the bottom, and one end of the fixing nut (601) is threaded and sleeved on one side of the filter box (4).

6. The shell-and-tube heat exchange type electric heater according to claim 2, wherein the middle part of the U-shaped heat pipe (8) is connected with one side of the baffle plate (103) in a penetrating way, and the middle part of the electric heating element (9) is connected with one side of the baffle plate (103) in a penetrating way.

Images