Anti-freezing device of heat supply pipe network for thermal power plant

Abstract

The utility model discloses an anti-freezing device of a heat supply pipe network for a thermal power plant, which comprises a heat preservation shell, the anti-freezing device is arranged in the heat preservation shell, the anti-freezing device comprises an inner heat preservation layer and an outer heat preservation layer, the inner heat preservation layer is arranged on the inner side of the outer heat preservation layer, and a quick clamping device is arranged on the outer side of the heat preservation shell. The quick clamping device comprises a quick clamping sleeve, a quick clamping rod, fixing plates, mounting grooves, push springs, clamping blocks and clamping tables, the fixing plates are connected to the two sides of the heat preservation shell, the mounting grooves are formed in the inner sides of the quick clamping rod, the clamping blocks are connected with the inner walls of the mounting grooves through the push springs, the clamping tables are arranged on the inner side of the quick clamping sleeve, and quick changing mechanisms are arranged on the outer side of the quick clamping rod. The quick change mechanism comprises an adaptive sleeve, an adaptive groove, a matching sleeve, a matching plate, a plurality of matching blocks and a pressing sleeve, the adaptive groove is formed in the outer side of the adaptive sleeve, the matching plate is connected to one side of the matching sleeve, the plurality of matching blocks are connected to one side of the matching plate, and the pressing sleeve is arranged on the inner side of the quick clamping sleeve. And the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti -freezing device of heat supply pipe network for heat plant more specifically, it relates to an anti -freezing device of heat supply pipe network for heat plant. BACKGROUND

[0002] In modern heat supply pipe network of heat plant, the effectiveness of anti -freezing technology is directly related to the stability and operating efficiency of heat supply system, however, the prior art has many serious engineering defects in the design and use process of pipe network anti -freezing device, these defects not only limit the safety of heat supply system, also bring significant negative influence to the production and operation of heat plant.

[0003] The primary technical problem is the risk of pipe icing, in cold weather conditions, the traditional heat supply pipe network is extremely prone to internal freezing, this freezing not only causes serious blockage in the pipe, but also causes the overall performance of the heat supply system to decline, in low temperature environment, the icing of the medium in the pipe not only blocks heat transfer, but also generates a huge physical stress on the pipe structure, which in turn causes pipe deformation, cracking and even complete destruction, this technical defect directly threatens the heat supply safety and production continuity of heat plant, and brings huge economic loss and operation risk to the enterprise.

[0004] Secondly, the prior art exposes extremely serious engineering defects in the external installation process of anti -freezing device, the traditional installation method usually needs a large amount of manpower, professional tools and complicated operation process, this inefficient installation mode not only greatly increases the labor cost, but also significantly prolongs the overall installation time of the device, in severe cold environment, such complex installation process not only increases the physical burden of the workers, but also may cause the installation quality to decline due to improper operation, thereby affecting the overall performance and reliability of the anti -freezing device.

[0005] In addition, although some modern equipment has been improved in the installation link, there are still serious technical limitations in the disassembly and maintenance of the anti -freezing device and the replacement of the internal insulation material, when the anti -freezing device needs to be maintained or the insulation material needs to be replaced, the operator often needs to spend a lot of time and effort, and still needs to rely on professional tools for complicated disassembly operation, this design seriously restricts the maintenance efficiency of heat supply pipe network of heat plant, not only increases the maintenance cost, but also may delay the maintenance time of key equipment due to the complexity of maintenance operation, which brings potential safety hazards and economic losses to the production and operation of the enterprise. UTILITY MODEL CONTENTS

[0006] In view of the problems in the prior art, the utility model provides an anti -freezing device of heat supply pipe network for heat plant to solve the technical problems mentioned in the background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A freeze -proof device for heat supply pipe network of thermal power plant, including the heat preservation shell, its characterized by: The freeze -proof device is provided with in the heat preservation shell, the freeze -proof device includes internal heat preservation layer and outer heat preservation layer, the outer heat preservation layer is detachably arranged in the heat preservation shell inside, the internal heat preservation layer is detachably arranged in the outer heat preservation layer inside, the heat preservation shell outside is provided with quick -release device, the quick -release device includes quick -release sleeve, quick -release rod, fixed plate, installation slot, push spring, block and card station, the quick -release sleeve is detachably covered in the quick -release rod outside, the fixed plate is fixedly connected on both sides of the heat preservation shell, the installation slot is opened in the quick -release rod inside, the block is connected with the installation slot inner wall through the push spring, the card station is fixedly arranged in the quick -release sleeve inside, the quick -release rod outside is provided with quick -change mechanism, the quick -change mechanism includes adaptation sleeve, adaptation slot, cooperation sleeve, cooperation plate, cooperation block and pressure sleeve, the adaptation sleeve is covered in the quick -release sleeve outside, the adaptation slot is opened in the adaptation sleeve outside, the cooperation sleeve is rotatably covered in the quick -release sleeve outside, the cooperation plate is fixedly connected on one side of the cooperation sleeve, a plurality of cooperation blocks are fixedly connected on one side of the cooperation plate, the pressure sleeve is movably arranged in the quick -release sleeve inside.

[0008] The utility model further sets up, quick -release board is fixedly connected with quick -release rod one end.

[0009] The utility model further sets up, the quick -release sleeve inside is fixedly provided with inclined platform, and the inclined platform is fixedly connected on one side of card station.

[0010] The utility model further sets up, the adaptation slot is spirally opened in the adaptation sleeve outside, a plurality of cooperation blocks are spirally arranged on one side of cooperation plate, and the cooperation block is slidably arranged in the adaptation slot.

[0011] The utility model further sets up, the quick -release sleeve lateral wall is opened with movable slot, the movable slot is slidably provided with movable block, and the adaptation sleeve inner wall is fixedly connected with the pressure sleeve outer wall through movable block.

[0012] The utility model further sets up, a plurality of rubber strips are connected to the adaptation sleeve outside, and the setting of rubber strip improves the antiskid ability and operating feeling of adaptation sleeve outside.

[0013] The utility model further sets up, the heat preservation shell inside is detachably provided with resistance wire, and the resistance wire is installed between internal heat preservation layer and outer heat preservation layer, so that active heating and freeze -proof can be realized by the setting of resistance wire.

[0014] The utility model further sets up, the heat preservation shell inside is detachably provided with heat insulating layer, and the heat insulating layer is covered in the outer heat preservation layer outside, so that the temperature isolation ability is enhanced by the setting of heat insulating layer.

[0015] Compared with the prior art, the anti-freezing device for the heat supply pipe network of the thermal power plant has the following beneficial effects:

[0016] 1. The anti-freezing device solves the key technical problem of the icing risk of the heat supply pipe network of the thermal power plant by the arrangement of the inner heat preservation layer and the outer heat preservation layer, and the device ingeniously takes the heat preservation shell as a whole protection barrier, further enhances the temperature insulation capacity through the heat insulation layer, and arranges the resistance wire between the inner heat preservation layer and the outer heat preservation layer to realize the active heating function, and the multiple protection design not only significantly reduces the temperature loss, but also actively prevents the freezing of the pipeline, effectively guarantees the normal use of the pipeline, and compared with the traditional passive anti-freezing scheme, the device shows more efficient and flexible temperature regulation capacity, and provides an all-round and three-dimensional anti-freezing solution for the heat supply system in a cold environment.

[0017] 2. The quick clamping device solves the engineering problem of the installation and fixation of the anti-freezing device for the heat supply pipe network by the precise cooperation of the quick clamping sleeve, the quick clamping rod, the fixing plate, the mounting groove, the push spring, the clamping block and the clamping table, the device adopts the modular design, the installation process becomes extremely simple and fast, when the anti-freezing device needs to be installed, the operator only needs to pass the quick clamping rod through the mounting hole on the fixing plate, and the quick clamping sleeve can be precisely positioned and form a reliable clamping relationship through the clamping block and the clamping table, and the design not only greatly reduces the installation complexity, but also significantly reduces the dependence on professional tools, greatly improves the installation efficiency, and provides a more convenient technical solution for the maintenance and update of the heat supply pipe network of the thermal power plant.

[0018] 3. The quick replacement mechanism ingeniously cooperates the adaptive sleeve, the adaptive groove, the cooperation sleeve, the cooperation plate, the cooperation block and the pressing sleeve, and solves the key technical problem of the maintenance and replacement of the anti-freezing device for the heat supply pipe network, when the heat preservation material needs to be replaced, the operator only needs to rotate the cooperation sleeve, precisely slides the adaptive groove and the cooperation block in a spiral shape, drives the pressing sleeve to accurately extrude the clamping block, and makes the clamping block separate from the clamping table, the design realizes the quick disassembly of the quick clamping sleeve and the quick clamping rod, and then the key components such as the inner heat preservation layer and the outer heat preservation layer can be easily replaced, compared with the traditional replacement mode which needs a large number of professional tools and complex operations, the mechanism significantly reduces the maintenance difficulty, shortens the maintenance time, improves the maintainability of the equipment, and provides a technical solution for the daily maintenance of the heat supply pipe network of the thermal power plant. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the anti-freezing device for the heat supply pipe network of the thermal power plant in the utility model.

[0020] Figure 2 It is a dispersed structure schematic view of the heat preservation shell part in the utility model.

[0021] Figure 3It is the structure schematic view of fast card device and quick change mechanism part in the utility model.

[0022] Figure 4 It is the structure schematic view of fast card device and quick change mechanism part in the utility model.

[0023] Figure 5 It is the structure schematic view of fast card device and quick change mechanism part in the utility model.

[0024] In the drawing: 1, heat preservation shell;2, inner heat preservation layer;3, outer heat preservation layer;4, fast card sleeve;5, fast card rod;6, fixed plate;7, installation groove;8, push spring;9, card block;10, card station;11, adaptation sleeve;12, adaptation groove;13, cooperation sleeve;14, cooperation plate;15, cooperation block;16, press sleeve;17, fast card plate;18, inclined platform;19, movable groove;20, movable block;21, rubber strip;22, resistance wire;23, heat insulation layer. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0027] In the present application, unless otherwise stated, the orientation such as "up, down" is generally with respect to the direction shown in the drawings, or with respect to the vertical, perpendicular or gravity direction;Similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings;"Inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the present application.

[0028] Please refer to Figures 1-5The utility model provides a kind of freeze-proof device of heat supply pipe network for thermal power plant, including heat preservation shell 1, heat preservation shell 1 is provided with freeze-proof device inside, freeze-proof device includes inner insulation layer 2 and outer insulation layer 3, outer insulation layer 3 is detachably arranged in the inside of heat preservation shell 1, inner insulation layer 2 is detachably arranged in the inside of outer insulation layer 3, heat preservation shell 1 outside is provided with quick card device, quick card device includes quick card sleeve 4, quick card bar 5, fixed plate 6, installation slot 7, push spring 8, block 9 and card table 10, quick card sleeve 4 is detachably set in the outside of quick card bar 5, fixed plate 6 is fixedly connected on both sides of heat preservation shell 1, installation slot 7 is opened in the inside of quick card bar 5, and the inner wall of installation slot 7 is connected with block 9 by push spring 8, card table 10 is fixedly arranged in the inside of quick card sleeve 4, quick card bar 5 outside is provided with quick change mechanism, and quick change mechanism includes adaptation sleeve 11, adaptation slot 12, cooperation sleeve 13, cooperation plate 14, cooperation block 15 and press sleeve 16, adaptation sleeve 11 is set in the outside of quick card sleeve 4, adaptation slot 12 is opened in the outside of adaptation sleeve 11, cooperation sleeve 13 is rotatably set in the outside of quick card sleeve 4, cooperation plate 14 is fixedly connected on one side of cooperation sleeve 13, and multiple cooperation blocks 15 are fixedly connected on one side of cooperation plate 14, and press sleeve 16 is movably arranged in the inside of quick card sleeve 4.

[0029] Quick card bar 5 one end fixedly connected with quick card plate 17.

[0030] Quick card sleeve 4 inside is fixedly provided with inclined table 18, and inclined table 18 is fixedly connected on one side of card table 10.

[0031] Adaptation slot 12 is spirally arranged on the outside of adaptation sleeve 11, and multiple cooperation blocks (15) are spirally arranged on one side of cooperation plate 14, and cooperation block 15 is slidably arranged in adaptation slot 12.

[0032] Quick card sleeve 4 side wall is provided with movable slot 19, movable block 20 is slidably arranged in movable slot 19, and the inner wall of adaptation sleeve 11 is fixedly connected with the outer wall of press sleeve 16 by movable block 20.

[0033] Adaptation sleeve 11 outside is connected with multiple rubber strips 21.

[0034] In the embodiment, when the heat preservation material needs to be replaced, first rotate the fitting sleeve 13, the fitting sleeve 13 will drive the fitting block 15 to rotate through the fitting plate 14, then the fitting block 15 will slide along the adaptive groove 12, due to the spiral structure of the adaptive groove 12 and the spiral arrangement of the fitting block 15, and the limit of the adaptive sleeve 11 formed by the cooperation of the movable block 20 and the movable groove 19, so that the adaptive sleeve 11 will not rotate, then the adaptive sleeve 11 will drive the adaptive groove 12 and the movable block 20 to slide along the movable groove 19, and the adaptive sleeve 11 will drive the pressing sleeve 16 to slide through the movable block 20, then the chamfer structure on the inner wall of the pressing sleeve 16 extrudes the chamfer structure on the outer side of the clamping block 9, so that the clamping block 9 gradually enters the installation groove 7 and extrudes the connecting push spring 8 on one side, so that the clamping block 9 is no longer clamped with the clamping table 10, then pull the quick clamping sleeve 4 and the quick clamping rod 5 to both sides respectively, that is, the quick clamping sleeve 4 and the quick clamping rod 5 can be disassembled, then disassemble the other quick clamping sleeves 4 and quick clamping rods 5 in turn, then disassemble the heat preservation shell 1, then disassemble the heat insulation layer 23, the outer thermal insulation layer 3, the resistance wire 22 and the inner thermal insulation layer 2 in turn, then replace the corresponding parts, after replacement, reinstall them in place one by one, then make the two heat preservation shells 1 press the heat preservation material to the outside of the pipeline, then pass the quick clamping rod 5 through the installation hole reserved on the fixed plate 6, then rotate the fitting sleeve 13 in the opposite direction, so that the fitting sleeve 13 drives the fitting plate 14 and the fitting block 15 to rotate in the opposite direction, then slide the adaptive sleeve 11 through the cooperation of the fitting block 15 and the adaptive groove 12 and the limit of the movable block 20 and the movable groove 19, then the adaptive sleeve 11 drives the pressing sleeve 16 to slide back to the original position, then the quick clamping sleeve 4 is sleeved on the outside of the quick clamping rod 5 from the other side, during the sleeving process, the chamfered portion on the outer side of the clamping block 9 is extruded by the inner wall of the inclined table 18, so that the clamping block 9 is re-entered into the installation groove 7 and extruded by the push spring 8, when the quick clamping sleeve 4 is completely sleeved on the outside of the quick clamping rod 5, the push spring 8 pushes the clamping block 9 to reset, so that the clamping block 9 is re-clamped on one side of the clamping table 10, so that the quick clamping sleeve 4 and the quick clamping rod 5 form a clamping relationship again, and the quick clamping sleeve 4 and the quick clamping plate 17 fix the two fixed plates 6 together.

[0035] Please refer to Figures 1-3 , as a further embodiment of the whole device: the heat preservation shell 1 is detachably provided with a resistance wire 22, and the resistance wire 22 is installed between the inner thermal insulation layer 2 and the outer thermal insulation layer 3.

[0036] The inner side of the heat preservation shell 1 is detachably provided with a heat insulation layer 23, and the heat insulation layer 23 is sleeved on the outside of the outer thermal insulation layer 3.

[0037] More specifically, the setting of the heat preservation shell 1 can isolate the outside temperature from the inside to a certain extent, the setting of the heat insulation layer 23 further enhances the isolation ability, the setting of the resistance wire 22 can realize active heating and avoid freezing of the pipeline inside, and the setting of the inner heat preservation layer 2 and the outer heat preservation layer 3 realizes the heat preservation function and reduces the temperature loss, thereby effectively avoiding the freezing of the pipeline and ensuring the normal use of the pipeline.

[0038] In summary, when the heat preservation material needs to be replaced, the cooperation sleeve 13 is first rotated, the cooperation sleeve 13 drives the cooperation block 15 to rotate through the cooperation plate 14, then the cooperation block 15 slides along the adaptation groove 12, due to the spiral structure of the adaptation groove 12 and the spiral arrangement of the cooperation block 15, and the cooperation of the movable block 20 and the movable groove 19 limits the adaptation sleeve 11, so that the adaptation sleeve 11 does not rotate, then the adaptation sleeve 11 drives the adaptation groove 12 and the movable block 20 to slide along the movable groove 19, and the adaptation sleeve 11 drives the pressing sleeve 16 to slide through the movable block 20, then the chamfer structure on the inner wall of the pressing sleeve 16 extrudes the chamfer structure on the outer side of the clamping block 9, so that the clamping block 9 gradually enters the installation groove 7 and extrudes the push spring 8 connected on one side, so that the clamping block 9 is no longer clamped with the clamping table 10, then the quick clamping sleeve 4 and the quick clamping rod 5 are pulled to both sides respectively, that is, the quick clamping sleeve 4 and the quick clamping rod 5 are disassembled, then the other quick clamping sleeves 4 and quick clamping rods 5 are disassembled in turn, then the heat preservation shell 1 is disassembled, and then the heat insulation layer 23, the outer heat preservation layer 3, the resistance wire 22 and the inner heat preservation layer 2 are disassembled in turn, then the corresponding parts are replaced, after replacement, they are reinstalled to the original position in turn, then the two heat preservation shells 1 press the heat preservation material to the outside of the pipeline, then the quick clamping rod 5 is inserted through the installation hole reserved on the fixed plate 6, then the cooperation sleeve 13 is reversely rotated, so that the cooperation sleeve 13 drives the cooperation plate 14 and the cooperation block 15 to reversely rotate, then the cooperation of the cooperation block 15 and the adaptation groove 12 and the limiting of the movable block 20 and the movable groove 19 makes the adaptation sleeve 11 slide to reset, then the adaptation sleeve 11 drives the pressing sleeve 16 to slide to reset, then the quick clamping sleeve 4 is sleeved to the outside of the quick clamping rod 5 from the other side, and in the sleeving process, the chamfered portion on the outer side of the clamping block 9 is extruded by the inner wall of the inclined table 18, so that the clamping block 9 is re-entered into the installation groove 7 and extruded by the push spring 8, when the quick clamping sleeve 4 is completely sleeved to the outside of the quick clamping rod 5, the push spring 8 pushes the clamping block 9 to reset, so that the clamping block 9 is re-clamped to one side of the clamping table 10, so that the quick clamping sleeve 4 and the quick clamping rod 5 re-form the clamping relationship, and the quick clamping sleeve 4 and the quick clamping plate 17 fix the two fixed plates 6 together.

[0039] The setting of the heat preservation shell 1 can isolate the outside temperature from affecting the inside to a certain extent, the setting of the heat insulation layer 23 further strengthens the isolation capacity, the setting of the resistance wire 22 can realize active heating, avoids freezing of the pipeline inside, the setting of the inner heat preservation layer 2 and the outer heat preservation layer 3 realizes the heat preservation function, reduces temperature loss, thereby effectively avoiding freezing of the pipeline, and ensuring normal use of the pipeline.

[0040] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one here. In the above, whenever it involves fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A freeze protection device for a heat supply network of a thermal power plant, comprising an insulating casing (1), characterised in that: The anti-freezing device is arranged in the heat preservation shell (1), and the anti-freezing device comprises an inner heat preservation layer (2) and an outer heat preservation layer (3), the outer heat preservation layer (3) is arranged on the inner side of the heat preservation shell (1), the inner heat preservation layer (2) is arranged on the inner side of the outer heat preservation layer (3), the heat preservation shell (1) is provided with a quick clamping device on the outer side, the quick clamping device comprises a quick clamping sleeve (4), a quick clamping rod (5), a fixed plate (6), a mounting groove (7), a push spring (8), a clamping block (9) and a clamping table (10), the quick clamping sleeve (4) is arranged on the outer side of the quick clamping rod (5), the fixed plate (6) is connected to the two sides of the heat preservation shell (1), the mounting groove (7) is arranged on the inner side of the quick clamping rod (5), the clamping block (9) is connected to the inner wall of the mounting groove (7) through the push spring (8), the clamping table (10) is arranged on the inner side of the quick clamping sleeve (4), the quick clamping rod (5) is provided with a quick change mechanism on the outer side, the quick change mechanism comprises an adaptive sleeve (11), an adaptive groove (12), a matching sleeve (13), a matching plate (14), a matching block (15) and a pressing sleeve (16), the adaptive sleeve (11) is arranged on the outer side of the quick clamping sleeve (4), the adaptive groove (12) is arranged on the outer side of the adaptive sleeve (11), the matching sleeve (13) is arranged on the outer side of the quick clamping sleeve (4), the matching plate (14) is connected to one side of the matching sleeve (13), a plurality of matching blocks (15) are connected to one side of the matching plate (14), and the pressing sleeve (16) is arranged on the inner side of the quick clamping sleeve (4).

2. The anti-freezing device for a heating pipe network of a thermal power plant according to claim 1, characterized in that: One end of the quick clamping rod (5) is fixedly connected with a quick clamping plate (17).

3. A freeze protection device for a heating network of a thermal power plant according to claim 2, characterized in that: The inner side of the quick clamping sleeve (4) is fixedly provided with an inclined table (18), and the inclined table (18) is fixedly connected to one side of the clamping table (10).

4. The anti-freezing device for heating pipe network of a thermal power plant according to claim 1, characterized in that: The adaptive groove (12) is spirally arranged on the outer side of the adaptive sleeve (11), a plurality of the matching blocks (15) are spirally arranged on one side of the matching plate (14), and the matching blocks (15) are slidably arranged in the adaptive groove (12).

5. A freeze protection device for a heating network of a thermal power plant according to claim 4, characterized in that: An activity groove (19) is arranged on the side wall of the quick clamping sleeve (4), an activity block (20) is slidably arranged in the activity groove (19), and the inner wall of the adaptive sleeve (11) is fixedly connected with the outer wall of the pressing sleeve (16) through the activity block (20).

6. A freeze protection device for a heating network of a thermal power plant according to claim 5, characterized in that: A plurality of rubber strips (21) are connected to the outer side of the adaptive sleeve (11).

7. A freeze protection device for a heating pipe network of a thermal power plant according to any of claims 1-6, characterized in that: A detachable electric resistance wire (22) is arranged in the heat preservation shell (1), and the electric resistance wire (22) is arranged between the inner heat preservation layer (2) and the outer heat preservation layer (3).

8. A freeze protection device for a heating network of a thermal power plant according to claim 7, characterized in that: A detachable heat insulation layer (23) is arranged on the inner side of the heat preservation shell (1), and the heat insulation layer (23) is arranged on the outer side of the outer heat preservation layer (3).

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