An installation structure of heat exchange elements of an air preheater

Abstract

The application discloses a kind of air preheater heat exchange element mounting structure, including outer frame mechanism, including frame body, the slot in the top of the frame body, the heat exchange plate element in the inside of the slot, the adjusting groove in the outside of the frame body and the guide groove in the bottom of the adjusting groove;And, mounting mechanism, including the clamping plate in the inside of the adjusting groove, the inside of the clamping plate is provided with locking piece;The locking piece includes the telescopic cavity reserved in the inside of clamping plate.The linkage cooperation between the clamping plate, locking piece and traction piece can automatically complete the connection locking between heat exchange plate element and frame body during hoisting process, with high installation efficiency, guarantee the stability of heat exchange plate element placement, and through the setting of control member and cross plate, single heat exchange element or multiple heat exchange elements can be simultaneously disassembled, improve the disassembly efficiency of heat exchange element, shorten the maintenance time of heat exchange element, meet the use requirement of user.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of air preheater, in particular to an air preheater heat exchange element mounting structure. BACKGROUND

[0002] The air preheater is a device for improving the heat exchange performance of the boiler and reducing energy consumption, and heat exchange is carried out through the heat exchange elements installed inside. The heat exchange elements are prone to damage and looseness during long-term use, and therefore need to be regularly maintained by the user to ensure normal use of the air preheater. However, the existing mounting structure between the heat exchange elements and the air preheater is relatively complex, which brings many inconveniences to the user for disassembly and maintenance of the heat exchange elements. Therefore, a quick dismountable air preheater heat exchange element mounting structure is proposed. SUMMARY

[0003] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title. Such simplifications or omissions cannot be used to limit the scope of the present application.

[0004] In view of the above and / or existing problems in the prior art, the present application is proposed.

[0005] Therefore, the present application solves the technical problem of inconvenient installation and disassembly of heat exchange elements in the prior art.

[0006] To solve the above technical problems, the present application provides the following technical scheme: an air preheater heat exchange element mounting structure, comprising an outer frame mechanism, including a frame body, a slot located at the top of the frame body, a heat exchange plate element located inside the slot, an adjusting slot located outside the frame body, and a guide slot located at the bottom of the adjusting slot; and,

[0007] The mounting mechanism comprises a clamping plate located inside the adjusting slot, and the clamping plate is provided with a locking element inside.

[0008] The locking element comprises an expansion cavity provided in the clamping plate, and a first spring is provided inside the expansion cavity, and a clamping column is fixed at the top end of the first spring.

[0009] As a preferred scheme of the air preheater heat exchange element mounting structure, the top outside of the heat exchange plate element is further provided with a control element, the control element comprises a handle, and the bottom of the handle is fixed with a rotating disc.

[0010] As a preferred scheme of the air preheater heat exchange element mounting structure, the bottom of the clamping plate is provided with a traction element, the traction element comprises a lifting rod, the top of the lifting rod is provided with a movable sleeve, the inside of the movable sleeve is provided with a second spring, the outside of the lifting rod is provided with a support rod, and the lower part of the lifting rod is provided with a supporting spring.

[0011] As a preferred scheme of the air preheater heat exchange element mounting structure, the bottom of the traction element is provided with a cross plate, the cross plate comprises a lifting plate, the inside of the lifting plate is penetrated by a guide rod, and the inside of the lifting plate away from the guide rod is penetrated by a limiting rod.

[0012] As a preferred scheme of the air preheater heat exchange element mounting structure, the clamping plate is symmetrically arranged in an L shape on both sides of the heat exchange plate element, and the bottom of the clamping plate is provided with a guide rail.

[0013] The inside of the clamping plate is provided with a locking element.

[0014] As a preferred scheme of the air preheater heat exchange element mounting structure, the top of the clamping column is provided with a round corner, and the clamping column and the telescopic cavity form an elastic telescopic structure through the first spring.

[0015] As a preferred scheme of the air preheater heat exchange element mounting structure, the handle and the rotating disc are integrally arranged, and the rotating disc is disc-shaped and protrudes on both sides.

[0016] As a preferred scheme of the air preheater heat exchange element mounting structure, the inside of the bottom of the clamping plate is provided with an opening matched with the movable sleeve.

[0017] As a preferred scheme of the air preheater heat exchange element mounting structure, the two ends of the support rod are respectively hinged with the lifting rod and the clamping plate, and the lifting rod and the clamping plate form a linkage structure through the support rod.

[0018] As a preferred scheme of the air preheater heat exchange element mounting structure, the outside of the limiting rod is threaded, and the limiting rod and the lifting plate are screw-connected.

[0019] The air preheater heat exchange element mounting structure has the advantages that the clamping plate, the locking element and the traction element are linked and matched, the connection and locking between the heat exchange plate element and the rack body can be automatically completed during hoisting of the heat exchange plate element, the installation efficiency is high, the stability of the heat exchange plate element is ensured, the single heat exchange element or multiple heat exchange elements can be simultaneously disassembled through the control element and the cross plate, the disassembly efficiency of the heat exchange element is improved, the maintenance time of the heat exchange element is shortened, and the use requirements of users are met. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort, and the present application is not limited to the specific embodiments disclosed below.

[0021] Figure 1 The overall structure schematic diagram of the air preheater heat exchange element mounting structure according to an embodiment of the present application;

[0022] Figure 2 The side view sectional structure schematic diagram of the air preheater heat exchange element mounting structure according to an embodiment of the present application;

[0023] Figure 3 The connection structure schematic diagram of the clamping plate and the frame body in the air preheater heat exchange element mounting structure according to an embodiment of the present application;

[0024] Figure 4 The connection structure schematic diagram of the clamping plate and the supporting rod in the air preheater heat exchange element mounting structure according to an embodiment of the present application;

[0025] Figure 5 The structure schematic diagram of the locking element in the air preheater heat exchange element mounting structure according to an embodiment of the present application;

[0026] Figure 6 The connection structure schematic diagram of the clamping plate and the heat exchange plate element in the air preheater heat exchange element mounting structure according to an embodiment of the present application;

[0027] Figure 7 The connection structure schematic diagram of the rotating disc and the clamping column in the air preheater heat exchange element mounting structure according to an embodiment of the present application. DETAILED DESCRIPTION

[0028] In order to make the above objectives, features and advantages of the present application more apparent and comprehensible, the specific embodiments of the present application will be described in detail in conjunction with the drawings in the specification.

[0029] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0030] Secondly, the present invention will be described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure will be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0031] Furthermore, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places throughout this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that mutually excludes other embodiments.

[0032] Example 1

[0033] Reference Figures 1-6 This embodiment provides an air preheater heat exchange element installation structure.

[0034] It includes the outer frame mechanism 100 and the mounting mechanism 200.

[0035] The outer frame mechanism 100 includes a frame 101. The top of the frame 101 has several slots 102. Each slot 102 is fitted with a heat exchange plate element 103. Adjustment slots 105 are symmetrically arranged on both sides of the frame 101. The bottom surface of the adjustment slots 105 has a guide groove 105a.

[0036] The mounting mechanism 200 includes clamping plates 201 symmetrically installed inside the adjustment groove 105. Each clamping plate 201 is provided with a locking element 202. The locking element 202 includes a telescopic cavity 202a left inside the clamping plate 201. A first spring 202b is embedded inside the telescopic cavity 202a. A locking post 202c is fixed to the top of the first spring 202b. A traction element 203 is provided at the bottom of the clamping plate 201. The traction element 203 includes a lifting rod 203a. A movable sleeve 203b is provided at the top of the lifting rod 203a. A second spring 203c is provided inside the movable sleeve 203b. A support rod 203d is provided on the outside of the lifting rod 203a. A support spring 203e is provided at the bottom of the lifting rod 203a.

[0037] Preferably, the elastic coefficient of the second spring 203c is greater than that of the supporting spring 203e, which can support the traction member 203 as a whole, avoiding the traction member 203 from falling under its own gravity when not subjected to the pressure from the heat exchange plate element 103, thereby causing the two clamping plates 201 to move inward and affecting the subsequent installation of the heat exchange plate element 103. Meanwhile, the selection of the supporting spring 203e with a smaller elastic coefficient than the second spring 203c can enable the second spring 203c to offset the supporting elastic force of the supporting spring 203e when the heat exchange plate element 103 is in the installed state, so that the traction member 203 can stably descend while avoiding the traction member 203 from rising again under the support of the supporting spring 203e, which can cause the clamping plates 201 to move outward and loosen the clamping of the heat exchange plate element 103 by the clamping plates 201, thereby ensuring the stable clamping use of the clamping plates.

[0038] Further, the clamping plates 201 are symmetrically arranged in an L shape on both sides of the heat exchange plate element 103, and the bottom of the clamping plate 201 is provided with a guide rail 201a which cooperates with the guide groove 105a at the bottom of the adjusting groove 105 to limit and guide the movement track of the clamping plate 201, thereby ensuring the stable movement of the clamping plate 201.

[0039] The inside of the bottom of the clamping plate 201 is provided with an opening which cooperates with the movable sleeve 203b, and the movable sleeve 203b is movably arranged on the top periphery of the lifting rod 203a. When the heat exchange plate element 103 is not installed, the movable sleeve 203b is located above the clamping plate 201 under the support of the second spring 203c. When the heat exchange plate element 103 is installed, the movable sleeve 203b moves downward to be parallel to the two clamping plates 201 under the pressure of the heat exchange plate element 103, and pushes the lifting rod 203a downward through the second spring 203c, thereby moving the two clamping plates 201 inward through the supporting rod 203d, so that the clamping plates 201 contact the movable sleeve 203b to form a complete plane and complete the clamping of the heat exchange plate element 103.

[0040] The top outer edge of the clamping column 202c is provided with a rounded corner, and the clamping column 202c and the telescopic cavity 202a constitute an elastic telescopic structure through the first spring 202b. When clamping the heat exchange plate element 103, the front end of the clamping column 202c gradually contacts the connecting end of the heat exchange plate element 103 as the two clamping plates 201 continuously move inward. At this time, the clamping column 202c can extrude the first spring 202b and move inward to the telescopic cavity 202a under the pressure. When the heat exchange plate element 103 is completely inserted, the surface of the connecting end of the heat exchange plate element 103 is in the corresponding position of the clamping column 202c. Finally, the clamping column 202c can extend into the heat exchange plate element 103 under the elastic support of the first spring 202b, thereby completing the assembly and fixation of the heat exchange plate element 103.

[0041] The support rod 203d is hingedly connected to the lifting rod 203a and the clamping plate 201 at both ends, and the lifting rod 203a and the clamping plate 201 form a linkage structure through the support rod 203d. When the movable sleeve 203b is moved downward under the action of gravity from the heat exchange plate element 103, the lifting rod 203a can be moved downward through the elastic transmission of the second spring 203c. At this time, the support rod 203d can rotate inward around the hinge point of the lifting rod 203a, and pull the two clamping plates 201 inward to clamp the heat exchange plate element 103.

[0042] In specific use, the frame body 101 is arranged inside the air preheater, the heat exchange plate element 103 is inserted into the frame body 101 from the slot 102, and with the insertion of the heat exchange plate element 103, the movable sleeve 203b is forced to move downward, and the second spring 203c drives the lifting rod 203a to move downward, and the second spring 203c offsets the supporting elastic force of the supporting spring 203e, so as to ensure the smooth downward movement of the lifting rod 203a. When the lifting rod 203a moves downward, the support rod 203d rotates inward around the hinge point between the lifting rod 203a and the support rod 203d, and pulls the two clamping plates 201 inward. With the continuous inward movement of the two clamping plates 201, the front end of the clamping column 202c gradually contacts the connecting end of the heat exchange plate element 103. At this time, the clamping column 202c can be pressed to extrude the first spring 202b and move inward to the telescopic cavity 202a under the action of pressure. When the heat exchange plate element 103 is completely inserted, the two clamping plates 201 contact the movable sleeve 203b to form a complete plane, and the surface of the connecting end of the heat exchange plate element 103 is in correspondence with the clamping column 202c. Finally, the clamping column 202c can be extended into the heat exchange plate element 103 under the elastic support of the first spring 202b, and the assembly and fixation of the heat exchange plate element 103 are completed. Through the linkage cooperation among the clamping plate 201, the locking piece 202 and the traction piece 203, the connection and locking between the heat exchange plate element 103 and the frame body during the hoisting process of the heat exchange plate element 103 can be automatically completed, the installation efficiency is high, and the stability of the heat exchange plate element 103 is ensured.

[0043] Embodiment 2

[0044] Reference Figures 1-7 For the second embodiment of the application, the embodiment is based on the previous embodiment, and is different from the previous embodiment in that:

[0045] The heat exchange plate element 103 further comprises a control piece 104 arranged outside the top of the heat exchange plate element 103. The control piece 104 comprises a T-shaped handle 104a penetrating into the heat exchange plate element 103, and a rotating disc 104b fixed to the bottom of the handle 104a.

[0046] Preferably, the knob 104a and the rotating disc 104b are integrally arranged, and the rotating disc 104b is a double-head cam structure, the cam structure rotating disc 104b is matched with the locking members 202 on both sides of the heat exchange plate element 103, that is, the clamping column 202c is in the rotating path of the rotating disc 104b, when the rotating disc 104b rotates, the clamping column 202c can be in contact with the clamping column 202c, so that the clamping column 202c is retracted to the inside of the telescopic cavity 202a under the pressure from the rotating disc 104b.

[0047] In specific use, the user can control the rotating disc 104b to rotate by 90° through the knob 104a, at this time, the clamping column 202c is retracted inwardly under the extrusion force from the outer edge of the rotating disc 104b, so that the clamping between the clamping column 202c and the heat exchange plate element 103 is released, at this time, the user can disassemble a single heat exchange plate element 103, through the linkage between the double-head rotating disc 104b and the clamping column 202c, the user can easily complete the unlocking of the single heat exchange plate element 103, which is convenient for the user to replace and maintain the heat exchange plate element 103 at any position.

[0048] Embodiment 3

[0049] Reference Figures 1-7 For the third embodiment of the present application, the embodiment is based on the previous embodiment, and the difference between the embodiment and the previous embodiment is:

[0050] The bottom of the traction member 203 is provided with a horizontal plate 204, the horizontal plate 204 includes a lifting plate 204a in contact with the bottom end of the supporting spring 203e, the inside of the lifting plate 204a penetrates a guide rod 204b, and the guide rod 204b is fixed between the lifting plate 204a and the frame body 101, the inside of the lifting plate 204a away from the guide rod 204b penetrates a limiting rod 204c.

[0051] Further, the outside of the limiting rod 204c is threaded, the limiting rod 204c and the lifting plate 204a are screw-connected, when the heat exchange plate element 103 is assembled, the bottom end of the lifting rod 203a is in contact with the lifting plate 204a, and the lifting plate 204a can move up and down along the guide rod 204b through the screw cooperation between the lifting plate 204a and the limiting rod 204c.

[0052] In use, the user can rotate the limiting rod 204c, so that the lifting plate 204a rises with the rotation of the limiting rod 204c, and each lifting rod 203a is lifted, at this time, the lifting rod 203a moves to the inside of the movable sleeve 203b, and the supporting rod 203d rotates outward, so that the two side clamping plates 201 move outward to release the clamping limit of the heat exchange plate element 103. Through the lifting setting of the lifting plate 204a, each position lifting rod 203a can be lifted synchronously, and then the two side clamping plates 201 at the corresponding position can move outward, the synchronous unlocking of multiple heat exchange plate elements 103 is realized, the convenience of heat exchange plate maintenance is further optimized, and the use requirement of the user is met.

[0053] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are by way of illustration only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of this application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the application. Accordingly, the present application is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0054] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of practicing the application currently being considered, or those unrelated to enabling the claimed application).

[0055] It is to be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes, and omissions of features or steps illustrated in the preceding description, without departing from the spirit and scope of the application as defined in the following claims. Furthermore, connection rods, plates, and other elements can be made of any suitable material, including metal, plastic, or other materials, and can be made by any suitable process, including casting, molding, machining, or other processes.

[0056] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. An air preheater heat exchange element mounting structure, characterized in that: include, The outer frame mechanism (100) includes a frame (101), a slot (102) located at the top of the frame (101), a heat exchange plate element (103) located inside the slot (102), an adjustment groove (105) located outside the frame (101), and a guide groove (105a) located at the bottom of the adjustment groove (105); and, The mounting mechanism (200) includes a clamping plate (201) located inside the adjustment groove (105), and a locking element (202) is provided inside the clamping plate (201). The locking element (202) includes a telescopic cavity (202a) provided inside the clamping plate (201), and a first spring (202b) is provided inside the telescopic cavity (202a). A locking pin (202c) is fixed to the top of the first spring (202b). A control component (104) is also provided on the outer side of the top of the heat exchange plate element (103). The control component (104) includes a handle (104a), and a turntable (104b) is fixed to the bottom of the handle (104a). The bottom of the clamp (201) is provided with a traction member (203), the traction member (203) includes a lifting rod (203a), the top of the lifting rod (203a) is provided with a movable sleeve (203b), the inside of the movable sleeve (203b) is provided with a second spring (203c), the outside of the lifting rod (203a) is provided with a support rod (203d), and the lower part of the lifting rod (203a) is provided with a support spring (203e); The bottom of the traction component (203) is provided with a horizontal plate (204), the horizontal plate (204) includes a lifting plate (204a), a guide rod (204b) passes through the interior of the lifting plate (204a), and a limit rod (204c) passes through the interior of the lifting plate (204a) away from the guide rod (204b); The clamping plates (201) are arranged symmetrically in an L-shape on both sides of the heat exchange plate element (103), and the bottom of the clamping plates (201) is provided with guide rails (201a). Each of the clamps (201) is equipped with a locking element (202).

2. The air preheater heat exchange element mounting structure according to claim 1, characterized in that: The top outer edge of the locking post (202c) is rounded, and the locking post (202c) and the telescopic cavity (202a) form an elastic telescopic structure through the first spring (202b).

3. The air preheater heat exchange element installation structure according to claim 1, characterized in that: The throttle (104a) and the turntable (104b) are integrated into one unit, and the turntable (104b) is a disc-shaped structure with protrusions on both sides.

4. The air preheater heat exchange element mounting structure according to claim 1, characterized in that: The bottom inner side of the clamp (201) is provided with an opening that cooperates with the movable sleeve (203b).

5. The air preheater heat exchange element mounting structure according to claim 1, characterized in that: The two ends of the support rod (203d) are hinged to the lifting rod (203a) and the clamping plate (201) respectively, and the lifting rod (203a) and the clamping plate (201) form a linkage structure through the support rod (203d).

6. The air preheater heat exchange element mounting structure according to claim 1, characterized in that: The limiting rod (204c) is threaded on the outside, and the limiting rod (204c) and the lifting plate (204a) are connected by threads.

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