CN218119877U - Drawer type air heater capable of being maintained on line - Google Patents

Abstract

The utility model discloses a fan heater can be maintained on line to drawer type, including fan heater frame device, including first horizontal rail, the horizontal rail of second, anticreep rail, preceding perpendicular frame, back perpendicular frame, left side perpendicular frame, right side perpendicular frame, drawer type bearing structure inlays the entry, the export of heat exchanger drain pipe, fastening bolt, through setting up first horizontal rail, the horizontal rail of second, the pulley, all around perpendicular frame, sliding bracket, heat exchanger etc, a whole fan heater device has been constituted, the slide rail that horizontal rail and pulley are constituteed, be convenient for make drawer type bearing structure advance and retreat slip, played and to throw the fan heater effect of moving back according to actual conditions, when drawer type bearing structure withdraws from completely, pin lock, prevent to slide and drop, thereby can dismantle the heat exchanger and maintain, will not take the drawer type bearing structure who does not take the heat exchanger again and push fan heater frame device, it is sealed with the siphunculus mouth through the closure that prepares in advance, do not influence the normal operating of fan system, realize online maintenance.

Description

Drawer type on-line maintenance air heater

Technical Field

The utility model belongs to the technical field of boiler fan heater technique and specifically relates to a drawer type can maintain fan heater on line.

Background

The air heater is a heat exchanger that heats the air at the inlet of the air preheater using steam. The air heater is installed between the outlet of the blower and the inlet of the air preheater, so the air heater is also called a front-mounted air preheater. The air heater raises the temperature of the air entering the air preheater and raises the wall temperature of the air preheater, thereby preventing low-temperature corrosion.

The existing boiler air heater usually has the internal leakage condition, cannot be maintained on line, can only be isolated, needs to be integrally disassembled for maintenance, is difficult to maintain and high in cost, has high danger because part of power plants enter an air channel for maintenance, and has extremely poor maintenance effect, so that the production cost is greatly increased, and the use efficiency of the air heater is reduced.

In view of the above-mentioned drawbacks, a drawer-type on-line maintenance air heater has been studied.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract of the specification and the title of the application may be somewhat simplified or omitted to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplification or omission may not be used to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the prior art.

Therefore, the utility model aims to solve the technical problem that there is the inside condition of revealing in the boiler fan heater, unable online maintenance can only keep apart, and the maintenance must wholly dismantle, and it is difficult, the expense is big to maintain.

In order to solve the technical problem, the utility model provides a following technical scheme: a drawer type on-line maintenance air heater comprises,

the frame device of the air heater comprises a first transverse rail, a second transverse rail, an anti-derailment rail, a front vertical frame, a rear vertical frame, a left vertical frame, a right vertical frame, a drawer type supporting structure embedded inlet, a heat exchanger drainage pipeline outlet and a fastening bolt, wherein the left vertical frame is fixedly installed with the first transverse rail, the right vertical frame is fixedly installed with the second transverse rail, the rear vertical frame is fixedly connected with one ends of the first transverse rail and the second transverse rail, and the front vertical frame is fixedly connected with the other ends of the first transverse rail and the second transverse rail; and the number of the first and second groups,

the drawer type supporting structure comprises a first sliding bracket, a second sliding bracket, a pulley, a rear sliding bracket and a front sliding bracket, wherein the bottom of the first sliding bracket and the bottom of the second sliding bracket are provided with the pulley, the pulley is correspondingly connected with a first transverse rail and a second transverse rail through embedding openings, the rear sliding bracket, the first sliding bracket, the second sliding bracket and the front sliding bracket are integrally processed, and a drawer type supporting structure embedding opening is formed in a body of the front vertical frame; and (c) a second step of,

the heat exchanger body comprises a steam supply inlet and a water delivery pipe, wherein the steam supply inlet is connected with a steam supply pipeline through a hose, the water delivery pipe is connected with a water delivery outlet, a fixing bolt is arranged on the heat exchanger body, a heat exchanger drainage pipeline outlet and a bolt connecting port are formed in the body of the rear vertical frame, and a heat exchanger steam supply pipeline access hole is formed in the body of the front sliding bracket.

As a preferred scheme of the drawer-type online maintainable air heater: the first transverse rail, the second transverse rail and the pulley are movably installed through embedded grooves, and the pulley is welded with the bottoms of the first sliding bracket and the second sliding bracket.

As a preferred scheme of the drawer-type online maintainable air heater: the pulley is connected with the first transverse rail and the second transverse rail in an embedded sliding mode to form a sliding rail, and dustproof holes are formed in the bottom ends of the first transverse rail and the second transverse rail.

As a preferred scheme of the drawer-type online maintainable air heater: the slide rail and the derailing prevention horizontal fixed installation are arranged at the bottom position in the frame device of the air heater, and the slide rail is higher than the derailing prevention.

As a preferred scheme of the drawer-type online maintainable air heater: and the front vertical frame, the rear vertical frame, the left vertical frame and the right vertical frame are vertically provided with orifices connected with the air duct, the orifices are connected by bolts, and sealing gaskets are arranged.

As a preferred scheme of the drawer-type online maintainable air heater: the front sliding bracket is higher than the first sliding bracket, the second sliding bracket and the rear sliding bracket.

As the utility model discloses a drawer type can maintain a preferred scheme of fan heater on line: the heat exchanger comprises a heat exchange tube, and the air inlet end of the heat exchange tube penetrates through a steam supply pipeline access hole of the heat exchanger.

As the utility model discloses a drawer type can maintain a preferred scheme of fan heater on line: first sliding bracket, second sliding bracket, back sliding bracket and preceding sliding bracket all pass through bolted connection with the heat exchanger body, the heat exchanger body erects to put up with the back and passes through bolted connection, preceding sliding bracket passes through bolted connection with fan heater frame device, and sets up sealed the pad between preceding sliding bracket and the fan heater frame device.

As a preferred scheme of the drawer-type online maintainable air heater: the heat exchanger steam supply pipeline access hole and the heat exchanger drain pipeline outlet are both provided with port blocking plates.

As a preferred scheme of the drawer-type online maintainable air heater: the tip of first horizontal rail and second horizontal rail all sets up the pin.

The utility model has the advantages that: the drawer type air heater comprises a first transverse rail, a second transverse rail, pulleys, front, rear, left and right vertical frames, a sliding bracket, a heat exchanger and the like, wherein the first transverse rail, the second transverse rail, the pulleys, the front, rear, left and right vertical frames, the sliding bracket, the heat exchanger and the like are arranged to form a whole air heater device, the sliding rail formed by the transverse rails and the pulleys is convenient for the drawer type supporting structure to advance and retreat and slide, so that the effect of putting and withdrawing the air heater according to actual conditions is achieved, when the drawer type supporting structure is completely withdrawn, the sliding is prevented from sliding and falling off, the heat exchanger can be disassembled and maintained, then the drawer type supporting structure without the heat exchanger is pushed into the air heater frame device, a through pipe opening is sealed through a prepared blocking plate, the normal operation of a fan system is not affected, online maintenance is achieved, when the maintenance of the heat exchanger is finished, the drawer type supporting structure is completely withdrawn through the sliding rail, the blocking plate is disassembled and put into the air heater frame device, the drawer type supporting structure with the heat exchanger is pushed into the air heater frame device with the heat exchanger, and is connected with external steam and water pipes to exchange, so that the whole process forms a drawer type air heater, and the effect of convenient maintenance is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic top view of the frame assembly of the utility model of the air heater;

FIG. 3 is a cross-sectional view of the utility model frame assembly;

FIG. 4 is a schematic structural view of the cross rail frame of the present invention;

fig. 5 is a top view of the cross rail frame of the present invention;

fig. 6 is a front view of the drawer-type support structure of the present invention;

fig. 7 is a left side view of the drawer-type support structure of the present invention;

fig. 8 is a top view of the drawer-type support structure of the present invention;

fig. 9 is a schematic structural diagram of the heat exchanger body of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

As shown in fig. 1-5, the utility model provides a technical solution: a drawer type air heater comprises an air heater frame device 100, a drawer type supporting structure 200 and a heat exchanger body 300, wherein the air heater frame device 100 comprises a first transverse rail 101, a second transverse rail 102, an anti-derailment 103, a front vertical frame 104, a rear vertical frame 105, a left vertical frame 106, a right vertical frame 107, a drawer type supporting structure embedding opening 108, a heat exchanger drain pipeline outlet 109 and a fastening bolt 110. The left vertical frame 106 of the air heater frame device 100 is fixedly installed with the first transverse rail 101, the right vertical frame 107 of the air heater frame device 100 is fixedly installed with the second transverse rail 102, the rear vertical frame 105 is fixedly connected with one end of the first transverse rail 101 and one end of the second transverse rail 102, a heat exchanger drain pipeline outlet 109 and a bolt connecting port are reserved on the body of the rear vertical frame 105, the front vertical frame 104 is fixedly connected with the other end of the first transverse rail 101 and the other end of the second transverse rail 102, a drawer type supporting structure embedding port 108 is reserved on the body of the front vertical frame 104, the rear vertical frame 105, the left vertical frame 106 and the right vertical frame 107 jointly form a closed space of the air heater frame device 100, the drawer type supporting structure 200 is formed by a first sliding bracket 201, a second sliding bracket 202, a pulley 203, a rear sliding bracket 204 and a front sliding bracket 205, the first sliding bracket 201 and the second sliding bracket 202 are provided with a pulley 203, the pulley 203 and the first transverse rail 101 and the second transverse rail 102 are connected through a groove 1011, the pulley 203 is connected with the sliding bracket 203, the sliding bracket 206, the heat exchanger drain pipeline is connected with the heat exchanger via a sliding ring, the heat exchanger drain pipeline 205, and the heat exchanger drain pipeline 205 can be welded with the sliding bracket 205 according to the sliding bracket 205. Pulley 203 and horizontal rail embedding sliding connection, make up into slide rail 400, slide rail 400 and the horizontal fixed mounting of anticreep rail 103 bottom position in fan heater frame device 100, slide rail 400 is higher than anticreep rail 103, make things convenient for drawer type bearing structure 200 to pass in and out to slide, heat exchanger body 300 is used for the heat exchange tube 304 of the part for having the perk form of the cold wind that the heating blower sent into, steam supply entry 301 runs through heat exchanger steam supply pipeline and leads to hole 206 and outside steam supply pipeline and pass through the hose connection, convenient maintenance, raceway 302 runs through heat exchanger hydrophobic pipeline export 109 and outside water piping connection, set up fixing bolt 303 that prevents its vibrations on heat exchanger body 300, the effect of dismantling has been played.

Example 2

As shown in fig. 1-5, the utility model provides a technical solution: when the heat exchanger 300 is completely maintained, the drawer type supporting structure 200 is completely withdrawn through the slide rail 400, the port blocking plate is removed, the heat exchanger body 300 is installed in the heat exchanger body 300, the drawer type supporting structure 200 with the heat exchanger body 300 is pushed into the air heater frame device 100, the through pipe opening is sealed through the prepared port blocking plate, normal operation of a fan system is not affected, after the heat exchanger body 300 is completely maintained, the drawer type supporting structure 200 is completely withdrawn through the slide rail 400, the port blocking plate is removed, the drawer type supporting structure 200 is installed in the heat exchanger body 300, the air heater frame device 100 is pushed into the air heater frame device 200 with the heat exchanger body 300, the drawer type supporting structure 200 is connected with an external steam supply pipe and a water conveying pipe 302 after being fixed through the fixing bolt 303, heat exchange is carried out, and the whole process forms the drawer type air heater.

Example 3

As shown in fig. 1-5, the utility model provides a technical solution: to sum up, the utility model discloses a set up first horizontal rail 101, second horizontal rail 102, pulley 203, preceding vertical frame 104, back vertical frame 105, left vertical frame 106, right vertical frame 107, first sliding bracket 201, second sliding bracket 202, heat exchanger body 300 etc. has constituted a whole fan heater device, slide rail 400 that first horizontal rail 101, second horizontal rail 102 and pulley 203 constitute, be convenient for make drawer type supporting structure 200 advance and retreat slip, played and to throw and retreat the fan heater effect according to actual conditions, when drawer type supporting structure 200 withdraws from completely, lock through pin 1013, prevent to slide and drop, thereby can dismantle the maintenance with heat exchanger body 300, again will not take out the drawer type supporting structure 200 of heat exchanger body 300 and push into fan heater frame device 100, the port closure that will prepare in advance seals up the siphunculus mouth, do not influence the normal operating of fan system, realize online maintenance, after heat exchanger body 300 maintains, withdraw from drawer type supporting structure 200 through slide rail 400 completely, demolish the port closure plate, pack into the closure plate 300 into, push the fixed pipe closure of heat exchanger body 300 into the fixed support structure of fan system, the heat exchanger body has reached the fixed fan heat exchanger 200 and has carried out the air supply device through bolt 304, the whole heat exchanger device, the convenient air supply device forms a kind of a heat exchanger, the process through bolt, the heat exchanger device.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative 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 (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. 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 may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a drawer type can maintain warm braw ware on line which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the air heater frame device (100) comprises a first transverse rail (101), a second transverse rail (102), an anti-derailment rail (103), a front vertical frame (104), a rear vertical frame (105), a left vertical frame (106), a right vertical frame (107), a drawer type supporting structure embedding opening (108), a heat exchanger drainage pipeline outlet (109) and a fastening bolt (110), wherein the left vertical frame (106) is fixedly installed with the first transverse rail (101), the right vertical frame (107) is fixedly installed with the second transverse rail (102), the rear vertical frame (105) is fixedly connected with one ends of the first transverse rail (101) and the second transverse rail (102), and the front vertical frame (104) is fixedly connected with the other ends of the first transverse rail (101) and the second transverse rail (102); and (c) a second step of,

the drawer type supporting structure (200) comprises a first sliding bracket (201), a second sliding bracket (202), a pulley (203), a rear sliding bracket (204) and a front sliding bracket (205), wherein the pulleys (203) are arranged at the bottoms of the first sliding bracket (201) and the second sliding bracket (202), the pulleys (203) are correspondingly connected with a first transverse rail (101) and a second transverse rail (102) through embedding openings, the rear sliding bracket (204) is integrally processed with the first sliding bracket (201), the second sliding bracket (202) and the front sliding bracket (205), and a drawer type supporting structure embedding opening (108) is formed in the body of the front vertical frame (104); and (c) a second step of,

heat exchanger body (300), including supplying vapour entry (301) and raceway (302), supply vapour entry (301) and supply vapour pipeline to pass through the hose connection, raceway (302) and water delivery exit linkage, be provided with fixing bolt (303) on heat exchanger body (300), heat exchanger hydrophobic pipeline export (109) and bolt connection mouth have been seted up on the body of back vertical frame (105), heat exchanger has been seted up on the body of preceding sliding bracket (205) and has been supplied vapour pipeline to lead to hole (206).

2. The drawer-type online serviceable heater as recited in claim 1, wherein: the first transverse rail (101), the second transverse rail (102) and the pulley (203) are movably mounted through embedded grooves (1011), and the pulley (203) is welded with the bottoms of the first sliding bracket (201) and the second sliding bracket (202).

3. The drawer-type online serviceable heater as recited in claim 2, wherein: the pulley (203) is connected with the first transverse rail (101) and the second transverse rail (102) in an embedded sliding mode to form a sliding rail (400), and dustproof holes (1012) are formed in the bottom ends of the first transverse rail (101) and the second transverse rail (102).

4. The drawer-type online serviceable heater as recited in claim 3, wherein: slide rail (400) and anticreep rail (103) horizontal fixed mounting are in the bottom position in fan heater frame device (100), slide rail (400) are higher than anticreep rail (103).

5. The drawer-type online serviceable heater as recited in claim 1, wherein: and orifices connected with the air duct are vertically arranged on the front vertical frame (104), the rear vertical frame (105), the left vertical frame (106) and the right vertical frame (107), are connected by bolts and are provided with sealing gaskets.

6. The drawer-type online serviceable heater as recited in any one of claims 1 to 5, wherein: the front sliding bracket (205) is higher than the first sliding bracket (201), the second sliding bracket (202) and the rear sliding bracket (204).

7. The drawer-type online serviceable heater as recited in claim 1, wherein: the heat exchanger comprises a heat exchange pipe (304), and an air inlet end of the heat exchange pipe (304) penetrates through a steam supply pipeline access hole (206) of the heat exchanger.

8. The drawer-type online serviceable heater as recited in claim 1, wherein: first sliding bracket (201), second sliding bracket (202), back sliding bracket (204) and preceding sliding bracket (205) all pass through bolted connection with heat exchanger body (300), heat exchanger body (300) and back erect frame (105) pass through bolted connection, preceding sliding bracket (205) pass through bolted connection with fan heater frame device (100), and set up sealed the pad between preceding sliding bracket (205) and fan heater frame device (100).

9. The drawer-type online serviceable heater as claimed in any one of claims 1 to 5, 7 and 8, wherein: and the heat exchanger steam supply pipeline access hole (206) and the heat exchanger drain pipeline outlet (109) are both provided with port blocking plates.

10. The drawer-type online serviceable heater as recited in claim 1, wherein: the ends of the first transverse rail (101) and the second transverse rail (102) are provided with pins (1013).

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