Deep peak regulation device for thermal power generating unit

Abstract

The utility model belongs to the technical field of deep peak regulation of thermal power generating units, and particularly relates to a deep peak regulation device of a thermal power generating unit, which comprises a reheater, a high-medium pressure cylinder mounted on the reheater, an end plate mounted on the high-medium pressure cylinder, a peak regulation component mounted on the end plate, two first long plates fixedly mounted on one side of the end plate, and two second long plates fixedly mounted on the other side of the end plate. First limiting plates are fixedly installed on the opposite sides of the two first long plates, limiting blocks are installed at one ends of the first long plates in an inserted mode, second long plates are fixedly installed on one sides of the limiting blocks, fixing blocks are installed at one ends of the second long plates in an inserted mode, and the same squeezing plate is fixedly installed on one sides of the two fixing blocks. According to the heat exchanger, the number of the heat exchange plates can be reduced or increased, so that different heat exchange requirements can be met, bolts and wrenches are not needed when the heat exchange plates are disassembled and assembled, and the assembling and disassembling mode is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the depth peak regulation technology field of thermal power generating unit especially relates to a depth peak regulation device of thermal power generating unit. BACKGROUND

[0002] In order to guarantee stable power supply, through the peak regulation operation of thermal power generating unit, the power supply quality and stability of system can be guaranteed during the peak period of power demand, thereby guaranteeing the power demand of user.

[0003] For example, the patent with the announcement number CN221322493U discloses a depth peak regulation device of thermal power generating unit, comprising: a reheater, a high-pressure cylinder is installed on the reheater, an end plate and a plurality of heat exchange plates are respectively installed on the high-pressure cylinder, and the end plate and the plurality of heat exchange plates are combined to form a feedwater heat exchanger, and a peak regulation assembly is installed on the end plate; a dismounting assembly, the dismounting assembly comprises an upper guide plate and a lower guide plate installed on one side of the end plate adjacent to the heat exchange plates and a stand column fixed at one end of the upper guide plate and the lower guide plate, and an extrusion plate matched with the heat exchange plates is fixed on one side of the stand column; the utility model discloses a dismounting assembly, which can take out the heat exchange plates one by one, so that the heat exchange plates can be deeply cleaned, thereby facilitating the cleaning of the heat exchange plates, solving the problem that the existing feedwater heat exchanger is prone to dirt with the increase of use time, and improving the working efficiency of the heat exchanger.

[0004] The above-mentioned patent has the following problems:

[0005] The patent has some shortcomings when in use, such as: some fluids with high viscosity have relatively low heat transfer coefficients, which requires more heat exchange plates to achieve the same heat exchange effect, and the number of heat exchange plates in the device is fixed, which is inconvenient to increase the heat exchange plates, and the device uses bolts when disassembling, which requires workers to use wrenches, and the dismounting and mounting mode is relatively inconvenient. In view of this, a depth peak regulation device of thermal power generating unit is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a depth peak regulation device of thermal power generating unit to solve the problems in the above background technology.

[0007] Therefore, the utility model provides a depth peak regulation device of thermal power generating unit, comprising a reheater, a high-pressure cylinder is installed on the reheater, an end plate is installed on the high-pressure cylinder, a peak regulation assembly is installed on the end plate, and further comprising:

[0008] Two long plates one, two long plates one are fixedly installed on one side of the end plate, the opposite side of two long plates one is fixedly installed with limit plate one, one end of long plate one is insertedly installed with limit block, one side of limit block is fixedly installed with long plate two, one end of long plate two is insertedly installed with fixed block, one side of two fixed blocks is fixedly installed with the same extrusion plate, a plurality of heat exchange plates are insertedly installed between two limit plate one and two limit plate two;

[0009] Two plugs two, two plugs two are respectively insertedly installed in two long plates one, one end of plug two penetrates limit block and extends to the outside;

[0010] Two groups of fixed components, two groups of fixed components are respectively located in two plugs two;

[0011] Two plugs one, two plugs one are respectively insertedly installed in two long plates two, one end of plug one penetrates fixed block and extends to the outside;

[0012] Two groups of fastening components, two groups of fastening components are respectively located in two inner plugs one.

[0013] In the technical solution, when disassembling, the fastening component is arranged to release the fixing of the plug one, then the staff can pull the plug one, so that the plug one is completely pulled out from the long plate two and the fixed block, through the above operation, the other plug one can be disassembled, so that the extrusion plate is released, then the two fixed blocks on the extrusion plate can be pulled out from the corresponding long plate two, then the staff can pull out the heat exchange plate from between the two limit plate two, and the staff can also pull out the heat exchange plate between the two limit plate one, the disassembly is more convenient, without using bolts and wrenches;

[0014] When a large number of heat exchange plates are not needed, the fixed component is arranged to release the fixing of the plug two, then the plug two can be directly pulled out from the long plate one and the limit block, at this time, the limit block will be released from the fixing of the long plate one, through the above operation, the two limit blocks can be respectively released from the two long plates one, then the long plate two can be disassembled, then the cleaned heat exchange plates can be inserted between the two limit plate one, then the staff can insert the two fixed blocks on the extrusion plate into the two long plates one, then the end of the plug two is inserted into the long plate one and the fixed block, until the end of the plug two is displaced to the outside, at this time, the fixed component is arranged to fix the plug two in the long plate one and the fixed block, at this time, the fixed block will be fixed in the long plate one, the staff can add or reduce the number of heat exchange plates according to the need, which is more convenient to use.

[0015] Further in the technical scheme, the fixing assembly comprises:

[0016] The second sliding groove is arranged in the second bolt, the second sliding block is slidably arranged in the second sliding groove, one end of the second sliding block penetrates through one side of the second sliding groove and extends to the outside, and the other end of the second sliding block is fixedly arranged with the second spring which is tightly welded with the inner wall of the second sliding groove.

[0017] In the technical scheme, the staff can press the second sliding block by hand, so that the second sliding block is retracted into the second sliding groove, at this time, the second spring is extruded and will shrink until the second sliding block is completely retracted into the second sliding groove, at this time, the second bolt is released from the fixing, then the second bolt can be directly pulled out of the long plate one and the limiting block, at this time, the limiting block is released from the fixing of the long plate one.

[0018] Further in the technical scheme, one side of the second sliding block is tightly contacted with the side of the long plate one away from the reheater.

[0019] In the technical scheme, the second sliding block is fixed when one side of the second sliding block is tightly contacted with the side of the long plate one away from the reheater.

[0020] Further in the technical scheme, the fastening assembly comprises:

[0021] The first sliding groove is arranged in the first bolt, the first sliding block is slidably arranged in the first sliding groove, one end of the first sliding block penetrates through one side of the first sliding groove and extends to the outside, and the other end of the first sliding block is fixedly arranged with the first spring which is tightly welded with the inner wall of the first sliding groove.

[0022] In the technical scheme, the staff first presses the first sliding block by hand, so that the first sliding block is retracted into the first sliding groove, at this time, the first spring is extruded and will shrink until the first sliding block is completely retracted into the first sliding groove, at this time, the first bolt is released from the fixing, then the staff can pull the first bolt, so that the first bolt is completely pulled out of the long plate two and the fixing block.

[0023] Further in the technical scheme, one side of the first sliding block is tightly welded with the side of the long plate two away from the reheater.

[0024] In the technical scheme, the first sliding block is fixed after one side of the first sliding block is contacted with the long plate two.

[0025] Further in the technical scheme, the size of the fixing block is equal to the size of the limiting block.

[0026] In the technical scheme, the fixing block can be inserted into the long plate one.

[0027] The beneficial effects of the utility model are:

[0028] The thermal power unit deep peak regulation device can reduce or increase the number of heat exchange plates, so that different heat exchange requirements can be met, and when the heat exchange plates are disassembled and installed, bolts and wrenches are not needed, and the installation and disassembly mode is relatively convenient. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a whole structure schematic view of the utility model;

[0030] Figure 2 It is an explosion structure schematic view of long plate one and long plate two in the utility model;

[0031] Figure 3 It is a structure schematic view of long plate one and long plate two in the utility model;

[0032] Figure 4 It is a structure schematic view of long plate one and long plate two in the utility model;

[0033] Figure 5 It is an explosion structure schematic view of long plate two and fixed block in the utility model;

[0034] Figure 6 It is a structure schematic view of long plate two and long plate one in the utility model.

[0035] The marks in the figure are:

[0036] 1, reheater; 2, high and medium pressure cylinder; 3, peak regulation assembly; 4, end plate; 5, extrusion plate; 6, long plate one; 7, heat exchange plate; 8, pin one; 9, long plate two; 10, pin two; 11, limiting block; 12, limiting plate one; 13, sliding groove one; 14, sliding block two; 15, sliding groove two; 16, spring two; 17, sliding block one; 18, spring one; 19, fixed block; 20, limiting plate two. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the application will be clearly described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the application.

[0038] In the description of the present application, it should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For the purpose of description, the sizes of the respective portions shown in the drawings are not drawn in accordance with the actual proportional relationship. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0039] It should be noted that the terms "first", "second", and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a particular order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, not limited to the number of objects, for example, the first object can be one or more. In addition, the specification and claims "and / or" indicate at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are an "or" relationship.

[0040] It should be noted that in the description of the present application, the orientation or position relationship indicated by the orientation terms such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" is generally based on the orientation or position relationship shown in the drawings, only for the purpose of describing the present application and simplifying the description, without the opposite indication, these orientation terms do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer relative to the contour of each component.

[0041] It should be noted that in this application, the terms "comprising", "containing" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be pointed out that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0042] Embodiment 1:

[0043] Please refer to Figure 1 - Figure 6 As shown in the figure, the embodiment provides a thermal power unit deep peak shaving device, which comprises a reheater 1, a high and medium pressure cylinder 2 installed on the reheater 1, an end plate 4 installed on the high and medium pressure cylinder 2, a peak shaving assembly 3 installed on the end plate 4, and further comprises:

[0044] Two long plates one 6 are fixedly installed on one side of the end plate 4, and the opposite side of each long plate one 6 is fixedly installed with a limiting plate one 12. One end of the long plate one 6 is insertedly installed with a limiting block 11, one side of the limiting block 11 is fixedly installed with a long plate two 9, one end of the long plate two 9 is insertedly installed with a fixed block 19, one side of the two fixed blocks 19 is fixedly installed with the same extrusion plate 5, and a plurality of heat exchange plates 7 are insertedly installed between the two limiting plates one 12 and the two limiting plates two 20;

[0045] Two plugs two 10 are respectively insertedly installed in the two long plates one 6, and one end of the plug two 10 penetrates through the limiting block 11 and extends to the outside;

[0046] Two groups of fixing assemblies are respectively located at the two plugs two 10;

[0047] Two plugs one 8 are respectively insertedly installed in the two long plates two 9, and one end of the plug one 8 penetrates through the fixed block 19 and extends to the outside;

[0048] Two groups of fastening assemblies are respectively located at the two plugs one 8.

[0049] When disassembling, the fastening assembly is arranged to release the fixing of the bolt 8, then the staff can pull the bolt 8, so that the bolt 8 is completely pulled out of the long plate 9 and the fixed block 19, and another bolt 8 can be disassembled, so that the pressing plate 5 is released, then the two fixed blocks 19 on the pressing plate 5 can be pulled out of the corresponding long plate 9, and then the staff can pull out the heat exchange plate 7 between the two limiting plates 20, and the staff can also pull out the heat exchange plate 7 between the two limiting plates 12, which is convenient to disassemble without using bolts and wrenches.

[0050] When the heat exchange plate 7 is not needed, the fixing assembly is arranged to release the fixing of the bolt 10, then the bolt 10 can be directly pulled out of the long plate 6 and the limiting block 11, at this time, the limiting block 11 is released from the fixing of the long plate 6, through the above operation, the two limiting blocks 11 are respectively released from the two long plates 6, then the long plate 9 can be disassembled, then the cleaned heat exchange plate 7 is inserted between the two limiting plates 12, then the staff can insert the two fixed blocks 19 on the pressing plate 5 into the two long plates 6, then the end of the bolt 10 is inserted into the long plate 6 and the fixed block 19, until the end of the bolt 10 is displaced to the outside, at this time, the fixing assembly is arranged to fix the bolt 10 in the long plate 6 and the fixed block 19, at this time, the fixed block 19 is also fixed in the long plate 6, the staff can add or reduce the number of heat exchange plates 7 according to needs, which is more convenient to use.

[0051] Embodiment 2

[0052] The embodiment provides a deep peak regulation device for a thermal power generating unit, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features, the fixing assembly comprises:

[0053] The sliding groove 15 is arranged in the bolt 10, the sliding block 14 is slidably installed in the sliding groove 15, one end of the sliding block 14 penetrates through one side of the sliding groove 15 and extends to the outside, and the other end of the sliding block 14 is fixedly installed with the spring 16 which is tightly welded with the inner wall of the sliding groove 15.

[0054] Wherein, the staff can press the slider two 14 with hand, so that the slider two 14 is received into the sliding slot two 15, at this time the spring two 16 is extruded and will shrink, until the slider two 14 is completely received into the sliding slot two 15, at this time the bolt two 10 will be fixed, then the bolt two 10 can be directly pulled out of the long plate one 6 and the limiting block 11, at this time the limiting block 11 will be fixed with the long plate one 6.

[0055] Embodiment 3:

[0056] The embodiment provides a depth peak regulation device for a thermal power generating unit, in addition to the technical scheme of the above embodiment, further has the following technical features, one side of the slider two 14 is in close contact with the side of the long plate one 6 away from the reheater 1.

[0057] Wherein, ensure that the side of the slider two 14 is in close contact with the side of the long plate one 6 away from the reheater 1 can fix the bolt two 10.

[0058] Embodiment 4:

[0059] The embodiment provides a depth peak regulation device for a thermal power generating unit, in addition to the technical scheme of the above embodiment, further has the following technical features, the fastening assembly comprises:

[0060] The sliding slot one 13 is arranged in the bolt one 8, the slider one 17 is slidably arranged in the sliding slot one 13, one end of the slider one 17 extends to outside through one side of the sliding slot one 13, and the other end of the slider one 17 is fixedly arranged with the spring one 18 which is tightly welded with the inner wall of the sliding slot one 13.

[0061] Wherein, the staff first presses the slider one 17 with hand, so that the slider one 17 is received into the sliding slot one 13, at this time, the spring one 18 is extruded and will shrink, until the slider one 17 is completely received into the sliding slot one 13, at this time, the bolt one 8 will be fixed, then the staff can pull out the bolt one 8 from the long plate two 9 and the fixed block 19.

[0062] Embodiment 5:

[0063] The embodiment provides a depth peak regulation device for a thermal power generating unit, in addition to the technical scheme of the above embodiment, further has the following technical features, one side of the slider one 17 is tightly welded with the side of the long plate two 9 away from the reheater 1.

[0064] Wherein, ensure that the side of the slider one 17 is in contact with the long plate two 9 after being fixed.

[0065] Embodiment 6:

[0066] The embodiment provides a deep peak regulation device for a thermal power generating unit.

[0067] Wherein, the size of the fixing block 19 is equal to the size of the limiting block 11.

[0068] Working principle: when disassembling, the worker first presses the sliding block one 17 by hand, so that the sliding block one 17 is retracted into the sliding groove one 13, at this time, the spring one 18 is extruded and will shrink until the sliding block one 17 is completely retracted into the sliding groove one 13, at this time, the pin one 8 is released, then the worker can pull the pin one 8, so that the pin one 8 is completely pulled out of the long plate two 9 and the fixing block 19, through the above operation, another pin one 8 can be disassembled, so that the pressing plate 5 is released, then the two fixing blocks 19 on the pressing plate 5 can be pulled out of the corresponding long plate two 9, then the worker can pull out the heat exchange plate 7 between the two limiting plates two 20, and the worker can also pull out the heat exchange plate 7 between the two limiting plates one 12, the disassembling mode is relatively convenient, without using bolts and wrenches.

[0069] When a large number of heat exchange plates 7 are not needed, the worker can press the sliding block two 14 by hand, so that the sliding block two 14 is retracted into the sliding groove two 15, at this time, the spring two 16 is extruded and will shrink until the sliding block two 14 is completely retracted into the sliding groove two 15, at this time, the pin two 10 is released, then the pin two 10 can be directly pulled out of the long plate one 6 and the limiting block 11, at this time, the limiting block 11 is released from the long plate one 6, through the above operation, the two limiting blocks 11 can be respectively released from the two long plates one 6, then the long plate two 9 can be disassembled, subsequently, the cleaned heat exchange plates 7 can be inserted between the two limiting plates one 12, then the worker can insert the two fixing blocks 19 on the pressing plate 5 into the two long plates one 6, then press the sliding block two 14 by hand, so that one end of the sliding block two 14 enters the sliding groove two 15, at this time, the spring two 16 is extruded and will shrink, then one end of the pin two 10 is inserted into the long plate one 6 and the fixing block 19, until one end of the pin two 10 is displaced to the outside, at this time, under the action of the rebound force of the spring two 16, the spring two 16 will displace the sliding block two 14 outward, so that one side of the sliding block two 14 contacts one side of the long plate one 6, so that the pin two 10 is fixed in the long plate one 6 and the fixing block 19, at this time, the fixing block 19 is also fixed in the long plate one 6, the worker can add or reduce the number of heat exchange plates 7 according to needs, which is more convenient to use.

[0070] The embodiments of the present application are described above with reference to the drawings, and the embodiments and features in the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection of the present application.

Claims

1. A deep peak shaving device for a thermal power generating unit, comprising a reheater (1), a high and intermediate pressure cylinder (2) is installed on the reheater (1), an end plate (4) is installed on the high and intermediate pressure cylinder (2), and a peak shaving assembly (3) is installed on the end plate (4), characterized in that, Also include: Two long plate one (6), two said long plate one (6) are fixedly installed on one side of the end plate (4), two said long plate one (6) opposite side are fixedly installed in limit plate one (12), one end of the long plate one (6) is inserted into the limit block (11) and installed, one side of the limit block (11) is fixedly installed with long plate two (9), one end of the long plate two (9) is inserted into the fixed block (19) and installed, one side of two said fixed block (19) is fixedly installed with the same extrusion plate (5), two said limit plate one (12) between and two limit plate two (20) between are inserted into a plurality of heat exchange plate (7) and installed; Two plugs (10), two said plugs (10) are respectively inserted into two long plate one (6), one end of the plug (10) is inserted into the limit block (11) and extends to the outside; Two groups of fixed components, two groups of said fixed components are respectively located in two plugs (10); Two plugs (8), two said plugs (8) are respectively inserted into two long plate two (9), one end of the plug (8) is inserted into the fixed block (19) and extends to the outside; Two groups of fastening components, two groups of said fastening components are respectively located in two inner plugs (8).

2. The device for deep load modulation of a thermal power unit according to claim 1, characterized in that, Said fixed component includes: The sliding groove two (15) is set in the plug two (10), the sliding groove two (15) is slidably installed in the sliding block two (14), one end of the sliding block two (14) is inserted into one side of the sliding groove two (15) and extends to the outside, the other end of the sliding block two (14) is fixedly installed with the spring two (16) which is tightly welded with the inner wall of the sliding groove two (15).

3. The device for deep load modulation of a thermal power unit according to claim 2, characterized in that, One side of the sliding block two (14) is in close contact with the side of the long plate one (6) away from the reheater (1).

4. The device for deep load modulation of a thermal power unit according to claim 1, characterized in that, Said fastening component includes: The sliding groove one (13) is set in the plug one (8), the sliding groove one (13) is slidably installed in the sliding block one (17), one end of the sliding block one (17) is inserted into one side of the sliding groove one (13) and extends to the outside, the other end of the sliding block one (17) is fixedly installed with the spring one (18) which is tightly welded with the inner wall of the sliding groove one (13).

5. The device for deep load modulation of a thermal power unit according to claim 4, characterized in that, One side of the sliding block one (17) is tightly welded with the side of the long plate two (9) away from the reheater (1).

6. The device for deep load modulation of a thermal power unit according to claim 1, characterized in that, The size of the fixed block (19) is equal to the size of the limit block (11).

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