Residual steam recovery device for deaerator of waste heat turboset

Abstract

The utility model relates to the technical field of waste steam recovery, in particular to a waste steam recovery device for a deaerator of a waste heat turboset, which comprises a recovery device body, a connecting end is mounted on the surface of the recovery device body, an access hole is mounted on the surface of the recovery device body, and a protective cover is mounted on one side of the access hole. A maintenance device is arranged on the surface of the recovery device body and comprises a stabilizing rod, the stabilizing rod is fixedly connected with the surface of the recovery device body, a sliding rod is slidably connected to the stabilizing rod, and a protruding block is fixedly connected to the side, away from the recovery device body, of a protective cover; the end, away from the stabilizing rod, of the sliding rod is fixedly connected with the protruding block, and an auxiliary device is arranged on the surface of the recycling device body. According to the scheme, maintenance operation on equipment is facilitated, the protective cover can be stored, maintenance personnel are prevented from frequently taking the protective cover, the working efficiency of the maintenance personnel is improved, and normal use of the equipment is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of surplus steam recovery, in particular to a surplus steam recovery device for a deaerator of a waste heat steam turbine unit. Background Art

[0002] When the deaerator on the waste heat steam turbine unit is operating normally, in order to ensure that the dissolved oxygen in the deaerator reaches the qualified standard, the exhaust oxygen valve will be opened and discharged into the atmosphere. During this process, heat loss is caused, economic benefits are affected, environmental pollution exists, and there are potential safety hazards. Therefore, a steam exhaust recovery and utilization device for the deaerator is added. The surplus steam recovery device for the deaerator of the waste heat steam turbine unit is a device used to recover the surplus steam discharged from the deaerator. It can effectively collect the surplus steam that would otherwise be wasted, process and utilize it. Through this device, the reuse of energy can be realized, the overall energy efficiency of the system can be improved, energy loss can be reduced. It helps to reduce the impact of steam emissions on the environment and achieve the goal of energy conservation and emission reduction. At the same time, it can improve the resource utilization rate and bring economic benefits to the enterprise. It is an important device with both environmental protection and economic value and plays an important role in the field of waste heat utilization.

[0003] At present, most surplus steam recovery devices for deaerators are often provided with maintenance openings. Since they are often connected by bolts, when performing maintenance, the end cover needs to be removed, and then put back on after the maintenance is completed. The operation is cumbersome and affects the work efficiency of maintenance personnel. Therefore, improvement operations are required. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defect that most existing surplus steam recovery devices for deaerators are often provided with maintenance openings. Since they are often connected by bolts, when performing maintenance, the end cover needs to be removed, and then put back on after the maintenance is completed. The operation is cumbersome and affects the work efficiency of maintenance personnel, and a surplus steam recovery device for a deaerator of a waste heat steam turbine unit is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: A surplus steam recovery device for a deaerator of a waste heat steam turbine unit, including a recovery device body. A connection end is installed on the surface of the recovery device body. A maintenance opening is installed on the surface of the recovery device body. A protective cover is installed on one side of the maintenance opening. A maintenance device is arranged on the surface of the recovery device body. The maintenance device includes a stabilizing rod, the stabilizing rod is fixedly connected to the surface of the recovery device body, a sliding rod is slidably connected to the stabilizing rod, a convex block is fixedly connected to the side of the protective cover away from the recovery device body, and the end of the sliding rod away from the stabilizing rod is fixedly connected to the convex block. An auxiliary device is arranged on the surface of the recovery device body. This scheme facilitates the maintenance operation of the equipment and can store the protective cover, avoiding the need for maintenance personnel to frequently pick up and place the protective cover, improving the work efficiency of maintenance personnel and facilitating the normal use of the equipment.

[0006] Preferably, two symmetrically arranged handles are fixedly connected to one side of the protective cover close to the bump, and the handles can be pulled to operate and pull the protective cover.

[0007] Preferably, a support rod is fixedly connected to the side of the stabilizing rod away from the recycling device body, and the support rod is bent.

[0008] Preferably, a limiting stop rod is fixedly connected to the side of the support rod close to the recycling device body, which is convenient for restricting the displacement of the sliding rod and the protective cover.

[0009] Preferably, the number of the limiting stop rods is two, and the two limiting stop rods are arranged in a mirror image. During maintenance, loosen the bolts on the protective cover, and then pull the handle away from the recycling device body. The handle drives the protective cover to disengage from the maintenance opening. According to the position where the user places the tools, the protective cover can be placed on the opposite side. Only by rotating the support rod can the protective cover be driven to rotate. When the support rod abuts against the limiting stop rod, the removal of the protective cover is completed.

[0010] Preferably, the auxiliary device includes a positioning hoop, the positioning hoop is sleeved on the recycling device body, four circumferentially arranged support feet are fixedly connected to the surface of the positioning hoop, a connecting frame is fixedly connected to the lower surface of the positioning hoop, and a support plate is fixedly connected to one end of the connecting frame. This solution simplifies the maintenance difficulty of the equipment, improves the stability of the equipment, and is convenient for the popular use of the equipment.

[0011] Preferably, a bolt is threadedly connected to the inner wall of the positioning hoop. After the support feet are damaged, only need to rotate the bolt to remove it, then take down the recycling device body, place the recycling device body on the new positioning hoop and support feet, and then tighten the bolt to complete the replacement operation.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0013] In the present utility model, during maintenance, loosen the bolts on the protective cover, and then pull the handle away from the recycling device body. The handle drives the protective cover to disengage from the maintenance opening. According to the position where the user places the tools, the protective cover can be placed on the opposite side. Only by rotating the support rod can the protective cover be driven to rotate. When the support rod abuts against the limiting stop rod, the removal of the protective cover is completed. This solution is convenient for carrying out the maintenance operation of the equipment and can perform the storage operation of the protective cover, avoiding the need for maintenance personnel to frequently pick up the protective cover, improving the work efficiency of the maintenance personnel, and facilitating the normal use of the equipment.

[0014] In the present utility model, after the supporting feet are damaged, only need to rotate the bolts to remove them, then take down the main body of the recovery device, place the main body of the recovery device on the new positioning hoop and supporting feet, and then tighten the bolts to complete the replacement operation. This solution simplifies the maintenance difficulty of the equipment, improves the stability of the equipment, and facilitates the popularization and use of the equipment. Brief Description of the Drawings

[0015] Figure 1 is a schematic three-dimensional structure diagram of the residual steam recovery device for the deaerator of the waste heat steam turbine unit proposed by the present utility model;

[0016] Figure 2 is a schematic side view structure diagram of the residual steam recovery device for the deaerator of the waste heat steam turbine unit proposed by the present utility model;

[0017] Figure 3 is for the residual steam recovery device for the deaerator of the waste heat steam turbine unit proposed by the present utility model Figure 2 schematic diagram of the structure at A;

[0018] Figure 4 is a schematic bottom view structure diagram of the residual steam recovery device for the deaerator of the waste heat steam turbine unit proposed by the present utility model;

[0019] Figure 5 is a schematic structure diagram of the auxiliary device in the residual steam recovery device for the deaerator of the waste heat steam turbine unit proposed by the present utility model.

[0020] Legend Explanation:

[0021] 1. Main body of the recovery device; 2. Maintenance opening; 3. Connection end; 4. Protective cover; 5. Maintenance device; 51. Stabilizing rod; 52. Support rod; 53. Limit stop rod; 54. Sliding rod; 55. Convex block; 6. Auxiliary device; 61. Positioning hoop; 62. Supporting foot; 63. Connecting frame; 64. Bolt; 65. Support plate; 7. Handle. Detailed Embodiment

[0022] Please refer to Figures 1 - 5, the utility model provides a technical solution: a residual steam recovery device for the deaerator of a waste heat steam turbine unit, including a recovery device body 1. A connection end 3 is installed on the surface of the recovery device body 1, and a maintenance port 2 is installed on the surface of the recovery device body 1. A protective cover 4 is installed on one side of the maintenance port 2. A maintenance device 5 is arranged on the surface of the recovery device body 1. The maintenance device 5 includes a stabilizing rod 51, and the stabilizing rod 51 is fixedly connected to the surface of the recovery device body 1. A sliding rod 54 is slidably connected to the stabilizing rod 51. A convex block 55 is fixedly connected to the side of the protective cover 4 away from the recovery device body 1. One end of the sliding rod 54 away from the stabilizing rod 51 is fixedly connected to the convex block 55. An auxiliary device 6 is arranged on the surface of the recovery device body 1. This solution facilitates the maintenance operation of the equipment and can store the protective cover 4, avoiding the need for maintenance personnel to frequently pick up the protective cover 4, improving the work efficiency of maintenance personnel and facilitating the normal use of the equipment.

[0023] Specifically, two symmetrically arranged handles 7 are fixedly connected to the side of the protective cover 4 close to the convex block 55, and the handle 7 can be pulled to operate and pull the protective cover 4.

[0024] Specifically, a support rod 52 is fixedly connected to the side of the stabilizing rod 51 away from the recovery device body 1, and the support rod 52 is bent.

[0025] In this embodiment: a limiting stop rod 53 is fixedly connected to the side of the support rod 52 close to the recovery device body 1, which is convenient for restricting the displacement of the sliding rod 54 and the protective cover 4.

[0026] Specifically, the number of the limiting stop rods 53 is two, and the two limiting stop rods 53 are arranged in a mirror image. During maintenance, loosen the bolt 64 on the protective cover 4, and then pull the handle 7 in the direction away from the recovery device body 1. The handle 7 drives the protective cover 4 to disengage from the maintenance port 2. The protective cover 4 can be placed on the opposite side according to the position where the user places the tool. Only by rotating the support rod 52 can the protective cover 4 be driven to rotate. When the support rod 52 abuts against the limiting stop rod 53, the removal of the protective cover 4 is completed.

[0027] In this embodiment: the auxiliary device 6 includes a positioning hoop 61, the positioning hoop 61 is sleeved on the recovery device body 1, four circumferentially arranged support feet 62 are fixedly connected to the surface of the positioning hoop 61, a connecting frame 63 is fixedly connected to the lower surface of the positioning hoop 61, and a support plate 65 is fixedly connected to one end of the connecting frame 63. This solution simplifies the maintenance difficulty of the equipment, improves the stability of the equipment, and facilitates the popularization and use of the equipment.

[0028] Specifically, a bolt 64 is threadedly connected to the inner wall of the positioning hoop 61. After the support feet 62 are damaged, only need to rotate the bolt 64 to remove it, then take down the recovery device body 1, place the recovery device body 1 on the new positioning hoop 61 and support feet 62, and then tighten the bolt 64 to complete the replacement operation.

[0029] Working principle: During maintenance, loosen the bolt 64 on the protective cover 4, and then pull the handle 7 away from the main body 1 of the recycling device. The handle 7 drives the protective cover 4 to disengage from the maintenance opening 2. The protective cover 4 can be placed on the opposite side according to the position where the user places the tool. Only by rotating the support rod 52 can the protective cover 4 be rotated. When the support rod 52 abuts against the limit stop rod 53, the removal of the protective cover 4 is completed. This solution facilitates the maintenance operation of the equipment and can perform the storage operation of the protective cover 4, avoiding the need for maintenance personnel to frequently pick up the protective cover 4, improving the work efficiency of maintenance personnel, and facilitating the normal use of the equipment. After the support foot 62 is damaged, only rotate the bolt 64 to remove it, then remove the main body 1 of the recycling device and place the main body 1 of the recycling device on the new positioning hoop 61 and support foot 62, and then tighten the bolt 64 to complete the replacement operation. This solution simplifies the maintenance difficulty of the equipment, improves the stability of the equipment, and facilitates the popularization and use of the equipment.

Claims

1. A residual steam recovery device for a deaerator of a waste heat steam turbine unit, comprising a recovery device body (1), a connection end (3) is installed on the surface of the recovery device body (1), a maintenance port (2) is installed on the surface of the recovery device body (1), and a protective cover (4) is installed on one side of the maintenance port (2), characterized in that: The surface of the recycling device body (1) is provided with a maintenance device (5). The maintenance device (5) includes a stabilizing rod (51). The stabilizing rod (51) is fixedly connected to the surface of the recycling device body (1). A sliding rod (54) is slidably connected to the stabilizing rod (51). A convex block (55) is fixedly connected to the side of the protective cover (4) away from the recycling device body (1). The end of the sliding rod (54) away from the stabilizing rod (51) is fixedly connected to the convex block (55). The surface of the recycling device body (1) is provided with an auxiliary device (6).

2. The deaerator surplus steam recovery device for the waste heat steam turbine unit according to claim 1, characterized in that: Two symmetrically arranged handles (7) are fixedly connected to the side of the protective cover (4) close to the convex block (55).

3. The deaerator surplus steam recovery device for the waste heat steam turbine unit according to claim 1, characterized in that: A support rod (52) is fixedly connected to the side of the stabilizing rod (51) away from the recycling device body (1). The support rod (52) is bent.

4. The deaerator surplus steam recovery device for the waste heat steam turbine unit according to claim 3, characterized in that: A limit stop rod (53) is fixedly connected to the side of the support rod (52) close to the recycling device body (1).

5. The deaerator surplus steam recovery device for the waste heat steam turbine unit according to claim 4, characterized in that: The number of the limit stop rods (53) is two, and the two limit stop rods (53) are arranged in a mirror image.

6. The deaerator surplus steam recovery device for the waste heat steam turbine unit according to claim 1, characterized in that: The auxiliary device (6) includes a positioning hoop (61). The positioning hoop (61) is sleeved on the recycling device body (1). Four circumferentially arrayed support feet (62) are fixedly connected to the surface of the positioning hoop (61). A connecting frame (63) is fixedly connected to the lower surface of the positioning hoop (61). One end of the connecting frame (63) is fixedly connected to a support plate (65).

7. The deaerator surplus steam recovery device for the waste heat steam turbine unit according to claim 6, characterized in that: A bolt (64) is threadedly connected to the inner wall of the positioning hoop (61).

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