Energy-saving device for plate heat exchanger

By installing an insulation blanket on the outside of the plate heat exchanger, the problems of heat loss and dust ingress are solved, resulting in more efficient heat exchange and a longer service life, while reducing production costs.

CN224398442UActive Publication Date: 2026-06-23中国市政工程西北设计研究院有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
中国市政工程西北设计研究院有限公司
Filing Date
2025-06-23
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing plate heat exchangers suffer from heat loss and dust ingress, which affect heat exchange efficiency, leading to reduced efficiency and shortened service life.

Method used

An insulation blanket is installed on the outside of the heat exchanger assembly. It is made of ceramic fiber and has aluminum foil pasted on the inside. It is movable by sliding rods and sleeves to prevent heat loss and block dust from entering.

Benefits of technology

It effectively prevents heat loss, improves heat exchange efficiency, reduces production costs, extends service life, and ensures normal production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224398442U_ABST
    Figure CN224398442U_ABST
Patent Text Reader

Abstract

The utility model discloses a plate heat exchanger energy -conserving device belongs to plate heat exchanger field, solved the heat loss problem of plate heat exchanger, and the problem of dust entering the sheet between influence heat exchange efficiency. The utility model discloses a heat exchange fin group, and the front end board and rear end board are equipped with respectively in heat exchange fin group front and back two ends, and the front end board front is equipped with fixed column, and the fixed column top and the rear end board top are equipped with slide rod between, and the slide rod both sides are slidably connected with the thermal blanket, and the thermal blanket is shielded in heat exchange fin group outside. The utility model discloses the thermal blanket of heat exchange fin group both sides activity setting, and the thermal blanket is shielded in heat exchange fin group outside, can keep warm to heat exchange fin group to the heat exchange fin group effectively prevent heat loss when the heat exchange inside, improve the heat exchange efficiency of heat exchange fin group, make heat exchange fin group more energy -conserving. Meanwhile, the thermal blanket can also effectively dustproof to heat exchange fin group, prevent dust from the obstruction and erosion of heat exchange fin group, avoid heat exchange efficiency to drop, improve the life.
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Description

Technical Field

[0001] This utility model belongs to the field of plate heat exchangers, and specifically relates to an energy-saving device for plate heat exchangers. Background Technology

[0002] Plate heat exchangers are high-efficiency heat exchangers composed of a series of metal plates with a specific corrugated shape stacked together. However, existing plate heat exchangers lack dedicated energy-saving devices. Since multiple plates are stacked together for heat exchange, significant heat loss occurs during the process, reducing heat exchange efficiency and increasing production costs. Furthermore, the numerous gaps between the stacked plates allow dust to easily enter, creating obstructions that impair heat exchange efficiency, corrode the plates, shorten their lifespan, and ultimately compromise normal production. Utility Model Content

[0003] The purpose of this invention is to provide an energy-saving device for plate heat exchangers to solve the problem of heat loss in plate heat exchangers and the problem of dust entering between the plates affecting heat exchange efficiency.

[0004] The technical solution of this utility model is: an energy-saving device for a plate heat exchanger, including a heat exchange plate group, with a front end plate and a rear end plate respectively provided at the front and rear ends of the heat exchange plate group, and a fixed column provided in front of the front end plate; a sliding rod is provided between the top of the fixed column and the top of the rear end plate, and heat insulation blankets are slidably connected to both sides of the sliding rod, with the heat insulation blankets covering the outside of the heat exchange plate group.

[0005] As a further improvement of this utility model, the slide rod is provided with multiple sliding sleeves, and horizontal support rods are provided on both sides of the sliding sleeves. The heat insulation blanket is hung on the multiple horizontal support rods on the corresponding sides.

[0006] As a further improvement of this utility model, the upper surface of the horizontal support rod is provided with anti-slip protrusions.

[0007] As a further improvement of this utility model, the fitting surfaces of the sliding rod and the sliding sleeve are rectangular.

[0008] As a further improvement of this utility model, the heat insulation blanket is made of ceramic fiber.

[0009] As a further improvement of this utility model, aluminum foil is provided on the inner side of the heat insulation blanket.

[0010] As a further improvement of this utility model, one end of the slide rod is connected to the fixed column through a connecting block, and the bottom of the slide sleeve is provided with an opening groove through which the connecting block can pass.

[0011] As a further improvement of this utility model, the other end of the slide rod is connected to the rear end plate by a stop block, and the opening slot cannot pass through the stop block.

[0012] The beneficial effects of this invention are as follows: This invention features movable heat insulation blankets on both sides of the heat exchanger assembly. These blankets cover the outside of the heat exchanger assembly, effectively insulating it and preventing heat loss during internal heat exchange. This improves the heat exchange efficiency of the heat exchanger assembly, making it more energy-efficient and reducing production costs. Simultaneously, the heat insulation blankets effectively prevent dust from obstructing and corroding the heat exchanger assembly, avoiding a decrease in heat exchange efficiency, extending its service life, and ensuring normal production. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a diagram showing the usage state of this utility model;

[0015] Figure 3 for Figure 1 Enlarged view of part A in the image;

[0016] Figure 4 for Figure 1 Enlarged view of part B in the image;

[0017] Figure 5 This is a schematic diagram of the sliding sleeve in this utility model.

[0018] In the diagram: 1. Rear end plate; 2. Front end plate; 3. Heat exchanger assembly; 4. Clamping bolt; 6. Fixing column; 7. Sliding sleeve; 8. Insulation blanket; 9. Connecting block; 10. Horizontal support rod; 11. Sliding rod; 12. Stop block; 13. Anti-slip protrusion; 14. Opening groove. Detailed Implementation

[0019] The present invention will now be described in detail with reference to the accompanying drawings.

[0020] like Figure 1-5 As shown, an energy-saving device for a plate heat exchanger includes a heat exchange plate assembly 3. The front end of the heat exchange plate assembly 3 is provided with a front end plate 2 and a rear end plate 1 at its front and rear ends, respectively. The front end plate 2 and the rear end plate 1 are clamped and fixed on both sides by clamping bolts 4. A fixing column 6 is provided in front of the front end plate 2. A sliding rod 11 is provided between the top of the fixing column 6 and the top of the rear end plate 1. Flexible heat insulation blankets 8 are slidably connected to both sides of the sliding rod 11. The heat insulation blankets 8 cover the outside of the heat exchange plate assembly 3.

[0021] Multiple sliding sleeves 7 are provided on the sliding rod 11, and horizontal support rods 10 are provided on both sides of the sliding sleeves 7. The heat insulation blanket 8 is hung on the multiple horizontal support rods 10 on the corresponding side.

[0022] The upper surface of the horizontal strut 10 is provided with anti-slip protrusions 13.

[0023] The sliding rod 11 and the sliding sleeve 7 have rectangular mating surfaces, which keeps the heat insulation blankets 8 on both sides balanced and prevents them from deflecting.

[0024] The thermal insulation blanket 8 is made of ceramic fiber and has a good thermal insulation effect.

[0025] The inner side of the heat insulation blanket 8 is lined with aluminum foil, which can effectively reflect heat radiation.

[0026] One end of the slide rod 11 is connected to the fixed post 6 via the connecting block 9. The bottom of the slide sleeve 7 is provided with an opening groove 14, through which the connecting block 9 can pass, making it easy to install and remove the slide sleeve 7.

[0027] The other end of the slide rod 11 is connected to the rear end plate 1 via the stop block 12. The opening slot 14 cannot pass through the stop block 12, and the stop block 12 plays a limiting role on the slide sleeve 7.

[0028] Fix the rear end plate 1 and the fixing column 6 to the ground. Install an appropriate number of plates to form the heat exchange plate group 3 according to production needs. Then, limit the position with the front end plate 2. Clamp the rear end plate 1 and the front end plate 2 with the clamping bolts 4 to make the plates in the heat exchange plate group 3 fit tightly together. Finally, connect the pipes.

[0029] The thermal insulation blanket 8 adopts a curtain-style design, hanging it on a horizontal support rod 10. The upper part of the thermal insulation blanket 8 remains horizontal under the support of the horizontal support rod 10, while the lower part hangs naturally in an inverted L shape. Anti-slip protrusions 13 on the horizontal support rod 10 prevent the thermal insulation blanket 8 from slipping. A sliding sleeve 7 is installed from one side of the fixing post 6. An opening slot 14 on the sliding sleeve 7 passes through the connecting block 9 to mount the sliding sleeve 7 onto the sliding rod 11. The thermal insulation blanket 8 is folded or unfolded by moving the sliding sleeve 7 on the sliding rod 11. After the heat insulation blanket 8 is unfolded, it covers both sides of the heat exchanger assembly 3. The heat insulation blanket 8 provides insulation, and aluminum foil is adhered to its inner side, effectively preventing heat loss during operation and increasing heat exchange efficiency. This results in greater energy savings and reduced production costs. Simultaneously, the heat insulation blanket effectively reduces dust ingress, preventing dust from obstructing and corroding the heat exchanger assembly 3, ensuring its heat exchange efficiency, thus guaranteeing production and extending its service life.

[0030] When adjustments to the heat exchanger assembly 3 are needed, the sliding sleeve 7 can be brought together to fold the insulation blanket 8, which does not hinder the operation of the heat exchanger assembly 3 and is flexible in use.

Claims

1. An energy-saving device for a plate heat exchanger, comprising a heat exchange plate assembly, wherein a front end plate and a rear end plate are respectively provided at the front and rear ends of the heat exchange plate assembly, and a fixing column is provided in front of the front end plate; characterized in that: A sliding rod (11) is provided between the top of the fixed column (6) and the top of the rear end plate (1). A heat insulation blanket (8) is slidably connected to both sides of the sliding rod (11). The heat insulation blanket (8) covers the outside of the heat exchange plate group (3).

2. The energy-saving device for a plate heat exchanger according to claim 1, characterized in that: The slide bar (11) is provided with multiple sliding sleeves (7), and horizontal support rods (10) are provided on both sides of the sliding sleeves (7). The heat insulation blanket (8) is hung on the multiple horizontal support rods (10) on the corresponding side.

3. The energy-saving device for a plate heat exchanger according to claim 2, characterized in that: The upper surface of the horizontal strut (10) is provided with anti-slip protrusions (13).

4. An energy-saving device for a plate heat exchanger according to any one of claims 1-3, characterized in that: The contact surfaces of the slide rod (11) and the slide sleeve (7) are rectangular.

5. The energy-saving device for a plate heat exchanger according to claim 4, characterized in that: The heat insulation blanket (8) is made of ceramic fiber.

6. The energy-saving device for a plate heat exchanger according to claim 5, characterized in that: The inner side of the insulation blanket (8) is provided with aluminum foil.

7. The energy-saving device for a plate heat exchanger according to claim 6, characterized in that: One end of the slide rod (11) is connected to the fixed column (6) through the connecting block (9), and the bottom of the slide sleeve (7) is provided with an opening groove (14), through which the connecting block (9) can pass.

8. The energy-saving device for a plate heat exchanger according to claim 7, characterized in that: The other end of the slide bar (11) is connected to the rear end plate (1) via a stop (12), and the opening slot (14) cannot pass through the stop (12).