Steam extraction heat supply device of combined cycle unit

Through the cooperation of the lifting mechanism and the control mechanism, the cumbersome and unstable problems of box height adjustment in the combined cycle unit steam extraction heating device are solved, and convenient alignment and stable connection are achieved.

CN223434990UActive Publication Date: 2025-10-14GUODIAN ZHAOQING THERMAL POWER CO LTD
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Patent Information

Application Number
CN202422819783.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-10-14
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

The extraction steam heating device of the existing combined cycle unit is cumbersome to operate and difficult to fix when adjusting the box height to align the air hole, resulting in inaccurate socket alignment and easy falling off.

Method used

The lifting mechanism and control mechanism are adopted. The height of the box is adjusted by rotating the control mechanism to drive the lifting mechanism, and the alignment and stable connection are achieved by combining the fixed pipe and fixed flange.

Benefits of technology

The box height adjustment process is simplified, the accuracy of aligning the air holes and the stability of the connection are improved, and the operation is more convenient.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223434990U_ABST
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Abstract

The utility model discloses a steam extraction heat supply device of a combined cycle unit, which belongs to the technical field of steam turbines and comprises a bottom plate, a lifting mechanism is fixedly connected to the center of the top of the bottom plate, a control mechanism is arranged in front of the lifting mechanism, a box body is fixedly connected to the top of the lifting mechanism, and a box door is hinged to the left side of the front of the box body. A handle is fixedly connected to the right side of the front portion of the box door, a fixing pipeline is inserted into the right side of the box body, a fixing flange plate is fixedly connected to the left side of the fixing pipeline, and a connecting pipeline is fixedly connected to the left side of the fixing flange plate. The problems that a worker needs to pull the telescopic rod to adjust the height of the box body while rotating a rotating handle to fix the telescopic rod, operation is tedious, a first inserting opening cannot be well aligned with an air hole, and the telescopic rod is fixed by pressing the telescopic rod and is prone to falling off are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of steam turbines, in particular to a steam extraction heating device of a combined cycle unit. Background Art

[0002] The existing heat users were printing and dyeing companies, who used steam solely for heat exchange and had low requirements for steam quality. Therefore, the original system effectively used highly productive steam directly for applications requiring less-demanding energy quality, resulting in significant energy waste and not complying with the "energy cascade" policy.

[0003] For example, the publication number CN214035811U discloses a combined cycle unit steam turbine extraction heating device, comprising a cylinder, a telescopic column, a valve, and a casing. A steam extraction hole is provided on one side of the cylinder, a first steam pipe is inserted into the steam extraction hole, one end of the first steam pipe is inserted into the first socket, and the first socket is provided on one side of the casing. A shunt pipe is provided in the middle of the casing, one end of the shunt pipe is connected to one end of the first steam pipe via a first flange, the other end of the shunt pipe is connected to one side of the valve via a second flange, the other side of the valve is connected to one end of the second steam pipe via a third flange, the second steam pipe is inserted and installed in the second socket, and the second socket is provided on the other side of the casing. The utility model provides a steam extraction hole for conducting steam on one side of the cylinder, and uses a pipe to be inserted and then shunted and transmitted through the shunt pipe, so that the machine can be used without stopping when replacing or repairing the steam pipe.

[0004] However, when adjusting the height of the box so that the first socket is aligned with the air hole, the staff needs to pull the telescopic rod to adjust the height of the box while turning the handle to fix the telescopic rod. The operation is cumbersome and the first socket cannot be well aligned with the air hole, and it is easy to fall off by pressing the telescopic rod to fix it. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the present invention to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] Therefore, the purpose of the present invention is to provide a steam extraction heating device for a combined cycle unit, which can solve the problem that when adjusting the height of the box body so that the first socket is aligned with the air hole, the staff needs to pull the telescopic rod to adjust the height of the box body while turning the handle to fix the telescopic rod. The operation is cumbersome and the first socket cannot be well aligned with the air hole. The problem that fixing it by pressing the telescopic rod is easy to fall off.

[0007] In order to solve the above technical problems, the utility model provides an extraction steam heating device for a combined cycle unit, which adopts the following technical solution: it includes a base plate, a lifting mechanism is fixedly connected to the top center of the base plate, a control mechanism is provided in front of the lifting mechanism, the top of the lifting mechanism is fixedly connected to a box body, a box door is hinged on the left front side of the box body, a handle is fixedly connected to the right front side of the box door, a fixed pipe is inserted into the right side of the box body, a fixed flange is fixedly connected to the left side of the fixed pipe, a connecting pipe is fixedly connected to the left side of the fixed flange, a diversion pipe is fixedly connected to the upper and lower sides of the connecting pipe, two groups of diversion pipes are connected to the connecting pipe, the two groups of diversion pipes and the connecting pipe are fixedly connected to the left side of the connecting flange, the left sides of the three groups of connecting flanges are fixedly connected to the installation pipe, the front sides of the three groups of installation pipes are provided with valves, the left sides of the three groups of installation pipes are fixedly connected to the installation flange, the left sides of the three groups of installation flanges are fixedly connected to the inlet pipe, and the left sides of the three groups of inlet pipes all pass through the box body.

[0008] Optionally, mounting holes are provided at the four corners of the base plate.

[0009] By adopting the above technical solution, the bottom plate is fixed.

[0010] Optionally, a fixing opening adapted for the fixed pipe is opened on the right side of the box body, a fixing block is provided on the right side of the fixing opening, and the fixing block is sleeved on the outside of the fixed pipe.

[0011] By adopting the above technical solution, the fixed pipeline is limited.

[0012] Optionally, inlets compatible with three groups of inlet pipes are respectively opened on the left side of the box body, and the three groups of inlet pipes are respectively inserted into the three groups of inlets.

[0013] By adopting the above technical solution, an inlet pipe is set.

[0014] Optionally, the lifting mechanism includes a lifting plate, the top of the lifting plate is provided with a lifting slot, the inner cavity of the lifting slot is slidably connected to a lifting slide, the bottom of the lifting slide is provided with a slide slot, the bottom of the inner cavity of the slide slot is provided with a fixing plate, a fixing rod is provided on the right side of the bottom of the inner cavity of the lifting slot, the top of the fixing rod extends into the slide slot, the top of the fixing rod passes through the fixing plate, the fixing plate is slidably connected to the outside of the fixing rod, the left side of the bottom of the inner cavity of the lifting slot is rotatably connected to a fixing screw rod, the top of the fixing screw rod extends into the slide slot, the top of the fixing screw rod passes through the fixing plate, the fixing screw rod is screwed on the fixing plate, the bottom of the fixed screw rod is sleeved with a lifting gear, and the control mechanism is arranged on the left bottom of the lifting plate.

[0015] By adopting the above technical solution, the height of the fixed pipeline can be controlled.

[0016] Optionally, the control mechanism includes a control plate, the right side of the control plate is fixedly connected to a control shaft, the control shaft is rotatably connected to the left side of the lifting plate, the right side of the control shaft extends into the lifting slot, the right side of the control shaft is fixedly connected to a control gear, the control gear and the lifting gear are both bevel gears, and the control gear is meshed with the lifting gear.

[0017] By adopting the above technical solution, the box is driven to move.

[0018] In summary, the present invention has at least one of the following beneficial effects: the height of the box can be adjusted by rotating the control mechanism to align the fixed pipe with the air hole on the cylinder, which makes the operation more convenient and not easy to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the box body of the present utility model;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the lifting mechanism of the present utility model.

[0023] Explanation of the accompanying symbols: 1. Base plate; 101. Mounting hole; 2. Lifting mechanism; 201. Lifting plate; 202. Lifting slot; 203. Lifting slide; 204. Slide slot; 205. Fixed plate; 206. Fixed rod; 207. Fixed screw; 208. Lifting gear; 3. Control mechanism; 301. Control plate; 302. Control shaft; 303. Control gear; 4. Box body; 401. Fixed port; 402. Fixed block; 403. Inlet; 5. Box door; 6. Handle; 7. Fixed pipe; 8. Fixed flange; 9. Connecting pipe; 10. Diverter pipe; 11. Connecting flange; 12. Installation pipe; 13. Valve; 14. Installation flange; 15. Inlet pipe. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-3 The utility model is described in further detail.

[0025] Example 1, refer to Figure 1 In order to solve the problem that when adjusting the height of the box body so that the first socket is aligned with the air hole, the staff needs to pull the telescopic rod to adjust the height of the box body while turning the handle to fix the telescopic rod in this embodiment. The operation is cumbersome and the first socket cannot be well aligned with the air hole. It is easy to fall off when pressing the telescopic rod to fix it. The utility model discloses a steam extraction heating device for a combined cycle unit, including a bottom plate 1, a lifting mechanism 2 is fixedly connected to the top center of the bottom plate 1, a control mechanism 3 is provided in front of the lifting mechanism 2, a box body 4 is fixedly connected to the top of the lifting mechanism 2, a box door 5 is hinged on the left front side of the box body 4, a handle 6 is fixedly connected to the right front side of the box door 5, and a fixed Pipeline 7, the left side of the fixed pipe 7 is fixedly connected with a fixed flange 8, the left side of the fixed flange 8 is fixedly connected with a connecting pipe 9, the upper and lower sides of the connecting pipe 9 are fixedly connected with a diversion pipe 10, the two groups of diversion pipes 10 are connected to the connecting pipe 9, the two groups of diversion pipes 10 and the left sides of the connecting pipe 9 are fixedly connected with a connecting flange 11, the left sides of the three groups of connecting flanges 11 are fixedly connected with the installation pipe 12, the front of the three groups of installation pipes 12 are provided with a valve 13, the left sides of the three groups of installation pipes 12 are fixedly connected with the installation flange 14, the left sides of the three groups of installation flanges 14 are fixedly connected with the inlet pipe 15, and the left sides of the three groups of inlet pipes 15 all pass through the box 4.

[0026] Based on the above features, the working principle of this embodiment is: move the base plate 1 to place the box body 4 next to the cylinder, rotate the control mechanism 3, the control mechanism 3 drives the lifting mechanism 2 to extend, the extension of the lifting mechanism 2 drives the box body 4 to move upward, the box body 4 drives the fixed pipe 7 to move, adjust the height of the fixed pipe 7 to align with the air hole on the cylinder, insert the fixed pipe 7 into the air hole, and then weld the connection to make it fixed.

[0027] Example 2, refer to Figure 2-3In order to solve the problem that when adjusting the height of the box body so that the first socket is aligned with the air hole, the staff needs to pull the telescopic rod to adjust the height of the box body while turning the handle to fix the telescopic rod, which is cumbersome and the first socket cannot be well aligned with the air hole, and it is easy to fall off by pressing the telescopic rod to fix it, based on the same concept as the above-mentioned embodiment 1, the steam extraction heating device of the combined cycle unit also includes four corners of the bottom plate 1 with mounting holes 101, and the right side of the box body 4 is provided with a fixing adapted to the fixed pipe 7. The opening 401 is provided with a fixed block 402 on the right side of the fixed opening 401, and the fixed block 402 is sleeved on the outside of the fixed pipe 7. The left side of the box body 4 is respectively provided with an inlet 403 adapted to the three groups of inlet pipes 15. The three groups of inlet pipes 15 are respectively inserted into the three groups of inlets 403. The lifting mechanism 2 includes a lifting plate 201, a lifting groove 202 is provided on the top of the lifting plate 201, and a lifting slide 203 is slidably connected to the inner cavity of the lifting groove 202. The bottom of the lifting slide 203 is provided with a slide groove 204, and the inner bottom of the slide groove 204 is provided with a slide groove 204. A fixing plate 205 is provided at the bottom right side of the inner cavity of the lifting groove 202, and a fixing rod 206 is provided. The top of the fixing rod 206 extends into the slide groove 204, and the top of the fixing rod 206 passes through the fixing plate 205. The fixing plate 205 is slidably connected to the outside of the fixing rod 206. The left side of the bottom of the inner cavity of the lifting groove 202 is rotated to connect the fixing screw 207. The top of the fixing screw 207 extends into the slide groove 204, and the top of the fixing screw 207 passes through the fixing plate 205. The fixing screw 207 is screwed on the fixing plate 205. The bottom of 207 is provided with a lifting gear 208, and the control mechanism 3 is arranged at the bottom left of the lifting plate 201. The control mechanism 3 includes a control plate 301. The right side of the control plate 301 is fixedly connected to a control shaft 302. The control shaft 302 is rotatably connected to the left side of the lifting plate 201. The right side of the control shaft 302 extends into the lifting slot 202. The right side of the control shaft 302 is fixedly connected to a control gear 303. The control gear 303 and the lifting gear 208 are both bevel gears, and the control gear 303 is meshed with the lifting gear 208.

[0028] Based on the above features, the working principle of this embodiment is: rotating the control plate 301 drives the control shaft 302 to rotate, the control shaft 302 drives the control gear 303 to rotate, the control gear 303 drives the lifting gear 208 to rotate, the lifting gear 208 drives the fixed screw 207 to rotate, the fixed screw 207 drives the fixed plate 205 to rotate, under the limit of the fixed rod 206, the fixed plate 205 moves upward, the fixed plate 205 drives the lifting slide 203 to move upward, the lifting slide 203 moves upward in the inner cavity of the lifting groove 202, the lifting slide 203 drives the box 4 to move upward, and the height of the fixed pipe 7 of the street makes the fixed pipe 7 aligned with the air hole, which is more convenient to operate.

[0029] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steam extraction heating device for a combined cycle unit, comprising a bottom plate (1), characterized in that: A lifting mechanism (2) is fixedly connected to the center of the top of the bottom plate (1), a control mechanism (3) is provided in front of the lifting mechanism (2), a box body (4) is fixedly connected to the top of the lifting mechanism (2), a box door (5) is hinged on the left side of the front of the box body (4), a handle (6) is fixedly connected to the right side of the front of the box door (5), a fixed pipe (7) is inserted on the right side of the box body (4), a fixed flange (8) is fixedly connected to the left side of the fixed pipe (7), a connecting pipe (9) is fixedly connected to the left side of the fixed flange (8), and a diversion pipe is fixedly connected to the upper and lower sides of the connecting pipe (9). The two groups of diversion pipes (10) are connected to the connecting pipe (9), the left sides of the two groups of diversion pipes (10) and the connecting pipe (9) are fixedly connected with a connecting flange (11), the left sides of the three groups of connecting flanges (11) are fixedly connected with a mounting pipe (12), the front of the three groups of mounting pipes (12) are provided with a valve (13), the left sides of the three groups of mounting pipes (12) are fixedly connected with a mounting flange (14), the left sides of the three groups of mounting flanges (14) are fixedly connected with an inlet pipe (15), and the left sides of the three groups of inlet pipes (15) all pass through the box body (4).

2. The steam extraction heating device for a combined cycle unit according to claim 1, characterized in that: The four corners of the base plate (1) are each provided with mounting holes (101).

3. The steam extraction heating device of a combined cycle unit according to claim 1, characterized in that: A fixing opening (401) adapted to the fixing pipe (7) is provided on the right side of the box body (4).

4. The steam extraction heating device for a combined cycle unit according to claim 3, characterized in that: A fixing block (402) is provided on the right side of the fixing opening (401), and the fixing block (402) is sleeved on the outside of the fixing pipe (7).

5. The steam extraction heating device for a combined cycle unit according to claim 1, characterized in that: The left side of the box body (4) is provided with inlets (403) respectively adapted to the three groups of inlet pipes (15).

6. The steam extraction heating device for a combined cycle unit according to claim 5, characterized in that: The three groups of inlet pipes (15) are respectively inserted into the three groups of inlets (403).

7. The steam extraction heating device for a combined cycle unit according to claim 1, characterized in that: The lifting mechanism (2) comprises a lifting plate (201), a lifting groove (202) is provided on the top of the lifting plate (201), a lifting slide plate (203) is slidably connected to the inner cavity of the lifting groove (202), a slide plate groove (204) is provided at the bottom of the lifting slide plate (203), a fixing plate (205) is provided at the bottom of the inner cavity of the slide plate groove (204), a fixing rod (206) is provided on the right side of the bottom of the inner cavity of the lifting groove (202), and the top of the fixing rod (206) extends into the slide plate groove (204), and the control mechanism (3) is arranged at the bottom left of the lifting plate (201).

8. The steam extraction heating device for a combined cycle unit according to claim 7, characterized in that: The top of the fixed rod (206) passes through the fixed plate (205), and the fixed plate (205) is slidably connected to the outside of the fixed rod (206). The left side of the bottom of the inner cavity of the lifting groove (202) is rotatably connected to the fixed screw rod (207), and the top of the fixed screw rod (207) extends into the slide groove (204). The top of the fixed screw rod (207) passes through the fixed plate (205), and the fixed screw rod (207) is screwed to the fixed plate (205). The bottom of the fixed screw rod (207) is provided with a lifting gear (208). The control mechanism (3) includes a control plate (301).

9. The steam extraction heating device for a combined cycle unit according to claim 8, characterized in that: The right side of the control plate (301) is fixedly connected to a control shaft (302), the control shaft (302) is rotatably connected to the left side of the lifting plate (201), the right side of the control shaft (302) extends into the lifting slot (202), and the right side of the control shaft (302) is fixedly connected to a control gear (303), and the control gear (303) and the lifting gear (208) are both bevel gears.

10. The steam extraction heating device for a combined cycle unit according to claim 9, characterized in that: The control gear (303) is meshed with the lifting gear (208).

Citation Information

Patent Citations

  • Steam extraction and heat supply device for steam turbine of combined cycle unit

    CN214035811U