High-tightness heat transfer plate for preheater

Abstract

The utility model discloses a heat transfer plate with high sealing performance for a preheater. The heat transfer plate comprises a heat transfer plate body used for installation, a cold air inlet and outlet corner hole fixedly formed in the left side of the heat transfer plate body and a hot air inlet and outlet corner hole formed in the right side of the heat transfer plate body. The heat exchanger further comprises a flow guide area, the flow guide area is arranged on the front side of the cold air inlet and outlet corner hole, the outer side of the flow guide area is connected with a flow dividing area, a drainage area is arranged on the lower side of the flow dividing area, a heat exchange area is arranged on the lower side of the drainage area, a groove is formed in the outer side of the heat exchange area, and a sealing strip is installed in the groove. The mounting grooves are formed in the upper end and the lower end of the heat transfer plate body, clamping blocks and springs are mounted on the inner walls of the mounting grooves, and the springs are located on the outer sides of the clamping blocks. According to the heat transfer plate with the high sealing performance for the preheater, the duration of heat flow between the heat transfer plates can be conveniently guaranteed, the sealing performance between the heat transfer plates can be conveniently improved, and the spliced heat transfer plates can be conveniently and stably connected.

Description

Technical Field

[0001] The utility model relates to the technical field of heat transfer plates for preheaters, in particular to a heat transfer plate for preheaters with high sealing performance. Background Art

[0002] At present, the heat transfer plates of the existing plate heat exchangers are mainly suspended and fixed on the fixed steel, but this suspension fixation is a point contact suspension fixation, which is not firm, causing the heat transfer plate to move, thereby causing sealing problems and making the heat transfer plate dissipate heat faster. Therefore, a heat transfer plate is designed that can be quickly spliced ​​and can stabilize the position to ensure the sealing effect after splicing.

[0003] A heat transfer plate for a gas phase plate preheater provided by announcement number CN 215893380 U comprises a plate body, a cold air inlet and outlet angular holes are symmetrically opened on the left part of the front end face of the plate body, a hot air inlet and outlet angular holes are symmetrically opened on the right part of the front end face of the plate body, a guide area is symmetrically arranged on the upper and lower parts of the front end face and the rear end face of the plate body, a diversion area is arranged on the upper and lower parts of the front end face and the rear end face of the plate body, a drainage area is arranged on the upper and lower parts of the front end face and the rear end face of the plate body, and a heat exchange area is arranged on the middle part of the front end face and the rear end face of the plate body; an arc groove is opened on the upper and lower parts of the front end face of the plate body, and a clamping ring mechanism is installed inside the arc groove. The utility model can firmly fix the plate body on the steel rod through the cooperation of the arc tube and the arc groove, thereby improving stability, and the two plate bodies can be tightly fitted together through the cooperation of the clamping tongue and the clamping groove, thereby improving sealing.

[0004] The above-mentioned prior art solutions have the following defects: it is not convenient to ensure the duration of heat flow between the heat transfer plates, it is not convenient to improve the sealing between the heat transfer plates, and it is not convenient to stably connect the spliced ​​heat transfer plates. Therefore, the utility model provides a heat transfer plate for a preheater with high sealing performance to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a heat transfer plate for a preheater with high sealing performance, so as to solve the problems in the above-mentioned background technology that it is not convenient to ensure the duration of heat flow between the heat transfer plates, it is not convenient to improve the sealing performance between the heat transfer plates, and it is not convenient to stably connect the spliced ​​heat transfer plates.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A heat transfer plate for a preheater with high sealing performance, comprising: a heat transfer plate body for installation, a cold air inlet and outlet corner hole fixedly arranged on the left side of the heat transfer plate body and a hot air inlet and outlet corner hole arranged on the right side of the heat transfer plate body;

[0007] It also includes: a guide area, the guide area is arranged at the front side of the cold air inlet and outlet corner holes, and the outer side of the guide area is connected to the diversion area, the lower side of the diversion area is provided with a guide area, and the lower side of the guide area is provided with a heat exchange area, the outer side of the heat exchange area is provided with a groove, and the inner side of the groove is installed with a sealing strip;

[0008] The mounting groove is arranged inside the upper and lower ends of the heat transfer plate body, and a clamping block and a spring are installed on the inner wall of the mounting groove, and the spring is located on the outside of the clamping block. Fixed blocks are fixed at the upper and lower ends of the rear side of the heat transfer plate body, and a clamping groove is arranged in the middle of the fixed block. T-shaped grooves are arranged in the middle of the upper and lower ends of the heat transfer plate body, and the first mounting plate is connected to the inside of the upper end T-shaped groove.

[0009] Preferably, the cold air inlet and outlet corner holes and the hot air inlet and outlet corner holes are symmetrically arranged about the center line of the heat transfer plate body, and the hot air inlet and outlet corner holes are both provided with guide areas on the front sides.

[0010] Preferably, the cross section of the drainage zone is an isosceles triangle structure, and the lower end of the drainage zone is fixedly connected to the heat exchange zone, and the heat exchange zone is arranged in an inclined state in the middle of the heat transfer plate body.

[0011] Preferably, the interior of the groove is connected to the sealing strip in a snap-fit ​​manner, and the rear end of the heat transfer plate body is connected to the groove in a snap-fit ​​manner.

[0012] Preferably, the card block forms a sliding structure inside the installation slot, and the lower end of the card block is connected to the card slot in a snap-fit ​​manner.

[0013] Preferably, the interior of the upper end of the T-slot is connected to the first mounting plate in a snap-fit ​​manner, and the lower end of the T-slot is mounted with a second mounting plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the heat transfer plate for the preheater with high sealing performance is convenient for ensuring the duration of heat flow between the heat transfer plates, is convenient for improving the sealing performance between the heat transfer plates, and is convenient for stably connecting the spliced ​​heat transfer plates;

[0015] 1. There are cold air inlet and outlet corner holes, a guide area and a heat exchange area. When the airflow enters the connection between the heat transfer plate body and the heat transfer plate body through the cold air inlet and outlet corner holes, the airflow is dispersed and transported through the guide area, and then transported to the inside of the guide area through the diversion area. The guide area transports the airflow to the inside of the heat exchange area in sections, thereby ensuring the time of the airflow in the heat transfer plate body and facilitating the time of the heat flow between the heat transfer plates.

[0016] 2. A groove and a sealing strip are provided. After the heat transfer plate body is stabilized by the first mounting plate and the second mounting plate, the upper and lower T-slots of the heat transfer plate body are directly inserted into the lower end of the first mounting plate and the upper end of the second mounting plate. In order to ensure a firm seal between the heat transfer plate body and the heat transfer plate body, a sealing strip can be installed inside the groove on the front side of the heat transfer plate body, and the rear end of the heat transfer plate body is inserted into the groove of the rear heat transfer plate body, and the rear end of the heat transfer plate body is in a state of contact with the sealing strip, thereby preventing heat from dissipating too quickly and improving the sealing between the heat transfer plates;

[0017] 3. Installing grooves, clamping blocks and fixing blocks are provided. When the heat transfer plate bodies are spliced ​​together, in order to ensure a stable connection between them, the heat transfer plate bodies will drive the rear fixing blocks to be inserted into the front side of the other heat transfer plate bodies. When the fixing blocks are inserted into the inside of the installing grooves, the clamping blocks will be squeezed to slide upward at both ends. When the fixing blocks move to a certain position, the clamping blocks are clamped into the inside of the clamping grooves by the rebound of the springs, thereby stabilizing the position of the heat transfer plate bodies and facilitating the stable connection of the spliced ​​heat transfer plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of the connection structure between the heat transfer plate body and the groove of the utility model.

[0022] In the figure: 1. heat transfer plate body; 2. cold air inlet and outlet corner holes; 3. hot air inlet and outlet corner holes; 4. guide area; 5. diversion area; 6. drainage area; 7. heat exchange area; 8. groove; 9. sealing strip; 10. mounting groove; 11. clamping block; 12. spring; 13. fixing block; 14. clamping groove; 15. T-slot; 16. first mounting plate; 17. second mounting plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a heat transfer plate for a preheater with high sealing performance, comprising a heat transfer plate body 1, cold air inlet and outlet corner holes 2, hot air inlet and outlet corner holes 3, a guide area 4, a diversion area 5, a drainage area 6, a heat exchange area 7, a groove 8, a sealing strip 9, a mounting groove 10, a clamping block 11, a spring 12, a fixing block 13, a clamping groove 14, a T-slot 15, a first mounting plate 16 and a second mounting plate 17.

[0025] The guide area 4 is arranged at the front side of the cold air inlet and outlet corner holes 2, and the outer side of the guide area 4 is connected to the diversion area 5, the lower side of the diversion area 5 is provided with a guide area 6, and the lower side of the guide area 6 is provided with a heat exchange area 7, the outer side of the heat exchange area 7 is provided with a groove 8, and the inner side of the groove 8 is installed with a sealing strip 9;

[0026] The mounting groove 10 is arranged inside the upper and lower ends of the heat transfer plate body 1. A clamping block 11 and a spring 12 are installed on the inner wall of the mounting groove 10, and the spring 12 is located on the outside of the clamping block 11. Fixed blocks 13 are fixed to the upper and lower ends of the rear side of the heat transfer plate body 1, and a clamping groove 14 is arranged in the middle of the fixed block 13. T-shaped grooves 15 are arranged in the middle of the upper and lower ends of the heat transfer plate body 1, and the first mounting plate 16 is connected to the inside of the upper end T-shaped groove 15.

[0027] like Figure 1 As shown, the cold air inlet and outlet corner holes 2 and the hot air inlet and outlet corner holes 3 are symmetrically arranged about the center line of the heat transfer plate body 1, and the front sides of the hot air inlet and outlet corner holes 3 are all provided with guide areas 4.

[0028] like Figure 1 As shown, the cross section of the drainage area 6 is an isosceles triangle structure, and the lower end of the drainage area 6 is fixedly connected to the heat exchange area 7, and the heat exchange area 7 is arranged in an inclined state in the middle of the heat transfer plate body 1.

[0029] like Figure 2 and Figure 4 As shown, the interior of the groove 8 is connected to the sealing strip 9 in a snap-fit ​​manner, and the rear end of the heat transfer plate body 1 is connected to the groove 8 in a snap-fit ​​manner.

[0030] like Figure 3 As shown, the block 11 forms a sliding structure inside the mounting groove 10, and the lower end of the block 11 is connected to the groove 14 in a snap-fit ​​manner, so as to ensure a stable connection between the heat transfer plates.

[0031] like Figure 1 As shown, the upper end of the T-slot 15 is connected to the first mounting plate 16 by snapping, and the lower end of the T-slot 15 is installed with a second mounting plate 17 to facilitate the fixed installation of the sealing plate.

[0032] Working principle: When using this highly sealed preheater heat transfer plate, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, first, the first mounting plate 16 and the second mounting plate 17 are respectively inserted into the T-shaped grooves 15 at the upper and lower ends of the heat transfer plate body 1, and then the sealing strip 9 is installed in the groove 8, and then another heat transfer plate body 1 is installed on the front side of the heat transfer plate body 1, so that the rear end of the heat transfer plate body 1 is engaged with the groove 8, and the rear end of the heat transfer plate body 1 is in a state of being in contact with the sealing strip 9, thereby ensuring the sealing between the heat transfer plate bodies 1 and the heat transfer plate bodies 1. In order to ensure the stability of the plate, when the rear end fixing block 13 of the heat transfer plate body 1 is inserted into the upper end mounting groove 10 of the rear end heat transfer plate body 1, and the fixing block 13 squeezes the upper and lower ends of the clamping block 11 during the movement, the fixing block 1 When the block 11 moves to a certain position, the spring 12 rebounds and snaps into the slot 14, so that the position of the plate can be stabilized. After stabilization, when the airflow is input into the heat transfer plate body 1 from the cold air inlet and outlet corner holes 2 or the hot air inlet and outlet corner holes 3, it will be transported to the diversion area 5 through the guide area 4, and the diversion area 5 will be guided by the guide area 6 during the transportation process, so that the guide area 6 transports the heat to the heat exchange area 7 for exchange output, and finally outputs the exchanged airflow through the cold air inlet and outlet corner holes 2 or the hot air inlet and outlet corner holes 3, thereby avoiding the rapid dissipation of heat and increasing the sealing between the heat transfer plate body 1. This is the use method of the heat transfer plate for a preheater with high sealing performance.

[0033] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat transfer plate for a preheater with high sealing performance, comprising: A heat transfer plate body (1) for installation, a cold air inlet and outlet corner hole (2) fixedly arranged inside the left side of the heat transfer plate body (1) and a hot air inlet and outlet corner hole (3) arranged inside the right side of the heat transfer plate body (1); It is characterized by further comprising: A flow guide area (4), the flow guide area (4) being arranged at the front side of the cold air inlet and outlet corner holes (2), and the outer side of the flow guide area (4) being connected to a flow diversion area (5), the lower side of the flow diversion area (5) being arranged with a flow guide area (6), and the lower side of the flow guide area (6) being arranged with a heat exchange area (7), the outer side of the heat exchange area (7) being arranged with a groove (8), and the interior of the groove (8) being provided with a sealing strip (9); The mounting groove (10) is arranged inside the upper and lower ends of the heat transfer plate body (1); a clamping block (11) and a spring (12) are installed on the inner wall of the mounting groove (10), and the spring (12) is located outside the clamping block (11); fixed blocks (13) are fixed at the upper and lower ends of the rear side of the heat transfer plate body (1), and a clamping groove (14) is arranged in the middle of the fixed block (13); T-shaped grooves (15) are arranged in the middle of the upper and lower ends of the heat transfer plate body (1), and the interior of the upper end T-shaped groove (15) is connected to a first mounting plate (16).

2. A heat transfer plate for a preheater with high sealing performance according to claim 1, characterized in that: The cold air inlet and outlet angular holes (2) and the hot air inlet and outlet angular holes (3) are symmetrically arranged about the center line of the heat transfer plate body (1), and the front sides of the hot air inlet and outlet angular holes (3) are each provided with a guide area (4).

3. The heat transfer plate for a preheater with high sealing performance according to claim 1, characterized in that: The cross section of the drainage area (6) is an isosceles triangle structure, the lower end of the drainage area (6) is fixedly connected to the heat exchange area (7), and the heat exchange area (7) is arranged in an inclined state in the middle of the heat transfer plate body (1).

4. The heat transfer plate for a preheater with high sealing performance according to claim 1, characterized in that: The interior of the groove (8) is connected to the sealing strip (9) in a snap-fit ​​manner, and the rear end of the heat transfer plate body (1) is connected to the groove (8) in a snap-fit ​​manner.

5. The heat transfer plate for a preheater with high sealing performance according to claim 1, characterized in that: The clamping block (11) forms a sliding structure inside the installation groove (10), and the lower end of the clamping block (11) is connected to the clamping groove (14) in a clamping manner.

6. The heat transfer plate for a preheater with high sealing performance according to claim 1, characterized in that: The interior of the upper end of the T-shaped slot (15) is connected to the first mounting plate (16) in a snap-fit ​​manner, and the lower end of the T-shaped slot (15) is mounted with a second mounting plate (17).

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