CN216013086U

CN216013086U - Corrosion protection coating test equipment for heat exchanger

Info

Publication number: CN216013086U
Application number: CN202121435073.5U
Authority: CN
Inventors: 刘兴洪; 刘浏; 何涛; 刘兴灿; 孟晓媛; 马红玉; 张州玮
Original assignee: Shanghai Wanxiang Cooling Equipment Co ltd
Current assignee: Shanghai Wanxiang Cooling Equipment Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-11
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the technical field of heat exchanger testing, and particularly discloses corrosion protection coating testing equipment for a heat exchanger, which comprises a testing box, a box cover and a screen plate, wherein the testing box is integrally of a square structure, is hollow and is provided with a testing cavity; the upper part of the test cavity is provided with an opening, and the box cover is arranged at the upper part of the test box in a matching way to seal the open test cavity; the screen plate is arranged in the testing cavity and is mutually attached to the wall of the testing cavity; the mesh plate is uniformly provided with meshes, support belts are arranged on the upper side of the mesh plate side by side, and the mesh plate is provided with a lifting assembly; a water outlet is formed in the side face of the test box, and the water outlet is communicated with the test cavity and is positioned at the bottom of the test cavity; the test equipment provided by the utility model can be used for placing and soaking the heat exchanger to test the anticorrosive coating, the heat exchanger is convenient to take and place, and the heat exchanger is fully contacted with test liquid, so that the test effect is ensured; the device has simple integral structure, convenient use and easy large-scale popularization and application.

Description

Corrosion protection coating test equipment for heat exchanger

Technical Field

The utility model relates to the technical field of heat exchanger testing, in particular to corrosion protection coating testing equipment for a heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger needs to be coated with an anti-corrosion coating to increase the anti-corrosion capability of the structure. Corrosion resistant coatings often consist of three parts: the first layer is a primer coated on the surface of the metal to enhance the adhesion of the metal and the main coating; the second layer is a main coating, commonly used materials comprise coal tar enamel, petroleum pitch, polyethylene adhesive tape, epoxy resin, polyolefin coating and the like, and the latter two are more used abroad in recent years; the third layer is a wrap tie to maintain mechanical strength to avoid damage during shipping and construction.

After the anti-corrosion coating is coated, an anti-corrosion test is required, and a part coated with the coating is required to be placed in a solution for testing; when the existing testing equipment is used, the situations that components are inconvenient to take and place and difficult to observe exist, and inconvenience is brought to testing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide corrosion protection coating testing equipment for a heat exchanger, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a corrosion protection coating test device for a heat exchanger comprises a test box, a box cover and a screen plate, wherein the test box is integrally of a square structure, is hollow inside and is provided with a test cavity; the upper part of the test cavity is provided with an opening, and the box cover is arranged at the upper part of the test box in a matching way to seal the open test cavity; the screen plate is arranged in the testing cavity and is mutually attached to the wall of the testing cavity; the mesh plate is uniformly provided with meshes, the upper side of the mesh plate is provided with a supporting belt, and the lower side of the mesh plate is provided with a lifting assembly; the side surface of the test box is provided with a water outlet, and the water outlet is communicated with the test cavity and is positioned at the bottom of the test cavity.

Preferably, an observation window is arranged in the center of the upper surface of the box cover, and the observation window is made of transparent toughened glass material; handles are arranged on two sides of the observation window, and the handles are fixedly arranged with the box cover.

Preferably, a sealing gasket is arranged at the opening of the test box, and the sealing gasket is of an annular structure and is made of a rubber material.

Preferably, clamping plates are arranged at four corner positions of the cavity opening of the test cavity, clamping grooves are correspondingly arranged on the lower side of the box cover, and the clamping plates and the clamping grooves are mutually clamped; the clamping plate is provided with a slot, the box cover is correspondingly provided with a plug pin, and the plug pin is correspondingly inserted into the slot.

Preferably, the supporting belt is integrally of a trapezoidal structure, and the supporting belts are arranged on the upper side of the screen plate side by side and are perpendicular to the length direction of the test cavity.

Preferably, the lifting assembly comprises a connecting rod and a sleeve, the connecting rod is fixedly connected with the lower side of the screen plate, and the sleeve is fixed in the test cavity; the connecting rod is in butt joint with the sleeve and is connected with an electric push rod inside the sleeve, and the electric push rod is electrically connected with the controller.

Preferably, the lifting components are symmetrically arranged, and a plurality of stirring shafts are arranged between the lifting components side by side; the end part of the stirring shaft is connected with the wall of the testing cavity through a turntable, and stirring blades are arranged on the stirring shaft; the turntable is driven by a motor, and the motor is electrically connected with the controller.

Preferably, the inner wall of the test cavity is pasted with an electric heating sheet, and the electric heating sheet is electrically connected with the controller.

Compared with the prior art, the utility model has the beneficial effects that: the test equipment provided by the utility model can be used for placing and soaking the heat exchanger to test the anticorrosive coating, the heat exchanger is convenient to take and place, and the heat exchanger is fully contacted with test liquid, so that the test effect is ensured; the device has simple integral structure, convenient use and easy large-scale popularization and application.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the test box of the present invention;

reference numbers in the figures: 1. a test box; 11. a test chamber; 12. clamping a plate; 13. a slot; 14. a gasket; 15. an electrical heating sheet; 16. a water outlet; 2. a box cover; 21. an observation window; 22. a handle; 3. a screen plate; 31. support band 32, connecting rod 33, sleeve 4, (mixing) shaft 41, stirring vane 42, carousel.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a corrosion protection coating test device for a heat exchanger comprises a test box 1, a box cover 2 and a screen plate 3, wherein the test box 1 is integrally of a square structure, is hollow and is provided with a test cavity 11; the upper part of the test cavity 11 is opened, and the box cover 2 is arranged at the upper part of the test box 1 in a matching way to seal the opened test cavity 11; the screen plate 3 is arranged in the test cavity 11 and is mutually attached to the cavity wall of the test cavity 11; the mesh is uniformly arranged on the screen plate 3, the supporting belt 31 is arranged on the upper side of the screen plate 3, and the lifting assembly is arranged on the lower side of the screen plate 3; the side surface of the test box 1 is provided with a water outlet 16, and the water outlet 16 is communicated with the test cavity 11 and is positioned at the bottom of the test cavity 11.

Further, an observation window 21 is arranged in the center of the upper surface of the box cover 2, and the observation window 21 is made of transparent toughened glass material; handles 22 are arranged on two sides of the observation window 21, and the handles 22 are fixedly arranged with the box cover 2.

Further, a sealing gasket 14 is arranged at the opening of the test box 1, and the sealing gasket 14 is of an annular structure and is made of rubber materials.

Furthermore, four corner positions of the opening of the test cavity 11 are provided with clamping plates 12, the lower side of the box cover 2 is correspondingly provided with clamping grooves, and the clamping plates 12 are mutually clamped with the clamping grooves; the clamping plate 12 is provided with a slot 13, the box cover 2 is correspondingly provided with a plug pin, and the plug pin is correspondingly inserted into the slot 13.

Further, the supporting belt 31 is in a trapezoid structure as a whole, and the supporting belt 31 is arranged on the upper side of the screen plate 3 side by side and is perpendicular to the length direction of the test chamber 11.

Further, the lifting assembly comprises a connecting rod 32 and a sleeve 33, the connecting rod 32 is fixedly connected with the lower side of the screen plate 3, and the sleeve 33 is fixed in the test chamber 11; the connecting rod 32 is in butt joint with the sleeve 33 and is connected with an electric push rod inside the sleeve 33, and the electric push rod is electrically connected with the controller.

Furthermore, the lifting components are symmetrically arranged, and a plurality of stirring shafts 4 are arranged between the lifting components side by side; the end part of the stirring shaft 4 is connected with the wall of the testing cavity 11 through a turntable 42, and stirring blades 41 are arranged on the stirring shaft 4; the turntable 42 is driven by a motor, and the motor is electrically connected with the controller.

Further, an electric heating piece 15 is attached to the inner wall of the test cavity 11, and the electric heating piece 15 is electrically connected with the controller.

The working principle is as follows: in the actual use process, the test cavity 11 is filled with test saline, and a workpiece is directly placed on the screen plate 3; the controller controls the electric push rod in the sleeve 33 to contract to drive the connecting rod 32 to retract, so that the screen plate 3 moves downwards, water leaks out of meshes of the screen plate 3, and the workpiece is submerged; the box cover 2 is clamped with the clamping plate 12 through a clamping groove of the box cover 2, a bolt is inserted into the slot 13, the box cover 2 is connected with the sealing gasket 14, and the testing cavity 11 is sealed; the motor connected with the turntable 42 is controlled by the controller to work, the stirring shaft 4 is driven to rotate, the stirring blades 41 stir the salt water, and the mobility of the water is increased, so that the corrosion efficiency is improved; the controller controls the electric heating sheet 15 to work, and the salt water is heated to simulate different use environments.

The inside corrosion condition can be observed through the observation window 21 by an inspector, and the box cover 2 is removed through the lifting handle 22 so as to take and place the workpiece. The lower side of the workpiece is arranged on the trapezoidal support belt 31, so that the lower part of the workpiece can be in good contact with the salt water, and the workpiece is soaked to ensure the corrosion effect. And finally, detecting whether the coating is qualified or not by judging the corrosion condition of the workpiece.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

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

Claims

1. The utility model provides a corrosion protection coating test equipment for heat exchanger which characterized in that: the test box comprises a test box (1), a box cover (2) and a screen plate (3), wherein the test box (1) is integrally of a square structure, is hollow inside and is provided with a test cavity (11); the upper part of the test cavity (11) is opened, and the box cover (2) is arranged on the upper part of the test box (1) in a matching way to seal the opened test cavity (11); the screen plate (3) is arranged in the test cavity (11) and is mutually attached to the cavity wall of the test cavity (11); meshes are uniformly arranged on the screen plate (3), a support belt (31) is arranged on the upper side of the screen plate (3), and a lifting assembly is arranged on the lower side of the screen plate (3); the side surface of the test box (1) is provided with a water outlet (16), and the water outlet (16) is communicated with the test cavity (11) and is positioned at the bottom of the test cavity (11).

2. The corrosion protective coating test equipment for the heat exchanger according to claim 1, wherein: an observation window (21) is arranged in the center of the upper surface of the box cover (2), and the observation window (21) is made of transparent toughened glass material; handles (22) are arranged on two sides of the observation window (21), and the handles (22) are fixedly arranged with the box cover (2).

3. The corrosion protective coating test equipment for the heat exchanger according to claim 1, wherein: a sealing gasket (14) is arranged at the opening of the testing box (1), and the sealing gasket (14) is of an annular structure and is made of rubber materials.

4. The corrosion protective coating test equipment for the heat exchanger according to claim 1, wherein: clamping plates (12) are arranged at four corner positions of the cavity opening of the test cavity (11), clamping grooves are correspondingly arranged on the lower side of the box cover (2), and the clamping plates (12) are mutually clamped with the clamping grooves; the clamping plate (12) is provided with a slot (13), the box cover (2) is correspondingly provided with a plug pin, and the plug pin is correspondingly inserted into the slot (13).

5. The corrosion protective coating test equipment for the heat exchanger according to claim 1, wherein: the whole support belt (31) is of a trapezoidal structure, and the support belts (31) are arranged on the upper side of the screen plate (3) side by side and are perpendicular to the length direction of the test cavity (11).

6. The corrosion protective coating test equipment for the heat exchanger according to claim 1, wherein: the lifting assembly comprises a connecting rod (32) and a sleeve (33), the connecting rod (32) is fixedly connected with the lower side of the screen plate (3), and the sleeve (33) is fixed in the test cavity (11); the connecting rod (32) is in butt joint with the sleeve (33) and is connected with an electric push rod inside the sleeve (33), and the electric push rod is electrically connected with the controller.

7. The corrosion protective coating test equipment for the heat exchanger according to claim 1, wherein: the lifting components are symmetrically arranged, and a plurality of stirring shafts (4) are arranged between the lifting components in parallel; the end part of the stirring shaft (4) is connected with the wall of the testing cavity (11) through a rotary table (42), and stirring blades (41) are arranged on the stirring shaft (4); the rotary table (42) is driven by a motor, and the motor is electrically connected with the controller.

8. The corrosion protective coating test equipment for the heat exchanger according to claim 1, wherein: an electric heating piece (15) is attached to the inner wall of the test cavity (11), and the electric heating piece (15) is electrically connected with the controller.