Novel water-cooled wall manhole door sealing box structure for thermal power plant

Abstract

The utility model relates to the technical field of manhole doors, and discloses a novel water-cooled wall manhole door sealing box structure for a thermal power plant, which comprises a manhole door body, a first handle arranged at the top end of the manhole door body, a connecting ring arranged at the bottom end of the manhole door body, a first notch arranged at the top end of the manhole door body, and a second notch arranged at the bottom end of the manhole door body. A connecting plate is arranged at the front end of the connecting ring, fixing blocks are arranged at the right end of the connecting ring, and a cold water tank is arranged at the ends, close to each other, of the fixing blocks. According to the manhole door, a worker rotates the clamping block to the position of the first notch by rotating the clamping block, so that the manhole door body is fixed to prevent gas, liquid or solid matter from leaking, meanwhile, certain heat insulation and corrosion prevention effects are achieved, the worker drains water into the cold water tank for cooling, and the working efficiency is improved. And the cooled water is discharged into the connecting ring from the water outlet pipe so as to cool the manhole door body, and the cooled water flows into the cold water tank from the water outlet pipe so as to circulate, so that the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of manholes, in particular to a sealing box structure for a water-cooled wall manhole in a new type of thermal power plant. Background Art

[0002] In a new type of thermal power plant, the sealing box of the water-cooled wall manhole is a key component. It is responsible for sealing the manhole on the water-cooled wall to prevent flue gas leakage and maintain the pressure stability inside the boiler. The main function of the sealing box of the water-cooled wall manhole in a thermal power plant is to ensure the sealing and safety of the water-cooled wall. The water-cooled wall is an important part of the boiler in a thermal power plant. It is responsible for absorbing the radiant heat of the furnace flame, converting water into steam, and also plays multiple roles such as reducing the flue gas temperature, preventing furnace slagging, and protecting the furnace wall.

[0003] In the existing sealing box structure of the water-cooled wall manhole, when using water, it cannot circulate, resulting in waste of water resources. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a sealing box structure for a water-cooled wall manhole in a new type of thermal power plant.

[0005] The utility model is realized by the following technical solutions: A sealing box structure for a water-cooled wall manhole in a new type of thermal power plant includes a manhole door body. A handle one is arranged at the top of the manhole door body. A connecting ring is arranged at the bottom of the manhole door body. A notch one is arranged at the top of the manhole door body. A connecting plate is arranged at the front end of the connecting ring. A fixing block is arranged at the right end of the connecting ring. A cold water tank is arranged at the end of the fixing block close to each other.

[0006] Through the above technical solutions, by setting the manhole door body, it can prevent the leakage of gas, liquid or solid substances, and also play a certain role in heat insulation and anti-corrosion.

[0007] As a further improvement of the above solution, there are two handle ones. The bottoms of the two handle ones are fixedly connected to the top of the manhole door body. The top of the connecting ring is clamped with the bottom of the manhole door body. There are several notch ones, and several notch ones are opened at the top of the manhole door body.

[0008] Through the above technical solutions, by setting two handle ones, the manhole door body can be pulled open.

[0009] As a further improvement of the above solution, the connecting plate includes bolts and nuts. There are several connecting plates. The ends of the several connecting plates close to each other are fixedly connected to the ends of the connecting ring away from each other. There are several bolts. There are several nuts. The several bolts are threadedly connected to the several nuts through the several connecting plates.

[0010] Through the above technical solution, by setting a plurality of bolts and nuts, and through the connection between the bolts and the nuts, it is convenient to quickly clamp the manhole door body.

[0011] As a further improvement of the above solution, the connecting plate includes movable columns, connecting blocks and threaded rods. A plurality of the movable columns are provided, and the inner parts of the plurality of movable columns are sleeved on the surfaces of the plurality of bolts. A plurality of the connecting blocks are provided, and the bottoms of the plurality of connecting blocks are fixedly connected to the tops of the plurality of movable columns. A plurality of the threaded rods are provided, and the bottoms of the plurality of threaded rods are fixedly connected to the tops of the plurality of connecting blocks.

[0012] Through the above technical solution, by sleeving the movable columns on the surfaces of the bolts, the rotation speed of the connecting blocks can be increased.

[0013] As a further improvement of the above solution, the connecting plate includes clamping blocks and handles II. A plurality of the clamping blocks are provided, and the inner parts of the plurality of clamping blocks are threadedly connected to the surfaces of the plurality of threaded rods. A plurality of the handles II are provided, and the bottoms of the plurality of handles II are fixedly connected to the tops of the plurality of clamping blocks.

[0014] Through the above technical solution, the staff rotates the clamping blocks through the handles II and rotates the clamping blocks to a position at notch I, thereby fixing the manhole door body.

[0015] As a further improvement of the above solution, the fixing blocks include notch II, rotating blocks and rotating shafts. Two of the fixing blocks are provided, and the left ends of the two fixing blocks are fixedly connected to the right end of the connecting ring. Two of the notch II are provided, and the two notch II are opened on the surfaces of the two fixing blocks. Two of the rotating blocks are provided, and the bottoms of the two rotating blocks are fixedly connected to the top of the manhole door body. Two of the rotating shafts are provided, and one ends of the two rotating blocks close to each other are rotatably connected to the notch opened on the surfaces of the two fixing blocks through the two rotating shafts.

[0016] Through the above technical solution, when the staff pulls the handle I, the rotating block can rotate through the rotating shaft. Since the bottom of the rotating block is fixedly connected to the top of the manhole door body, when the staff pulls the handle I, the manhole door body can be opened.

[0017] As a further improvement of the above solution, the cold water tank includes a water inlet pipe and a water outlet pipe. The mutually remote ends of the cold water tank are fixedly connected to the mutually close ends of the two fixing blocks. The left end of the water inlet pipe is fixedly connected to the right end of the cold water tank. The bottom end of the water inlet pipe is fixedly connected to the surface of the connecting ring. The left end of the water outlet pipe is fixedly connected to the right end of the cold water tank. The bottom end of the water outlet pipe is fixedly connected to the surface of the connecting ring.

[0018] Through the above technical solution, the staff drains water into the cold water tank for cooling. The cooled water drains from the outlet pipe into the connecting ring to cool the manhole door body. The cooled water flows from the outlet pipe into the cold water tank for circulation, thereby improving the cooling efficiency.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] By setting the manhole door body, the present utility model can prevent the leakage of gas, liquid or solid substances, and at the same time play a certain role in heat insulation and anti-corrosion. By setting a plurality of bolts and nuts, through the connection of the bolts and nuts, the manhole door body can be quickly clamped. By sleeving the movable column on the surface of the bolt, the rotation speed of the connecting block can be increased. The staff rotates the chuck through the handle two and rotates the chuck to the notch one to fix the manhole door body.

[0021] With the setting of the present utility model, when the staff pulls the handle one, the rotating block can rotate through the rotating shaft. Since the bottom end of the rotating block is fixedly connected to the top end of the manhole door body, when the staff pulls the handle one, the manhole door body can be opened.

[0022] The staff drains water into the cold water tank for cooling. The cooled water drains from the outlet pipe into the connecting ring to cool the manhole door body. The cooled water flows from the outlet pipe into the cold water tank for circulation, thereby improving the cooling efficiency. Description of the Drawings

[0023] Figure 1 is the overall structural schematic diagram of the present utility model;

[0024] Figure 2 is the enlarged structural schematic diagram at A of the present utility model;

[0025] Figure 3 is the bottom structural schematic diagram of the present utility model;

[0026] Figure 4 is the right-end structural schematic diagram of the present utility model;

[0027] Figure 5 is the enlarged structural schematic diagram at B of the present utility model.

[0028] Main Symbol Description:

[0029] 1. Manhole door body; 2. Handle one; 3. Connecting ring; 4. Notch one; 5. Connecting plate; 51. Bolt; 52. Nut; 53. Movable column; 54. Connecting block; 55. Chuck; 56. Threaded rod; 57. Handle two; 6. Fixed block; 61. Notch two; 62. Rotating block; 63. Rotating shaft; 7. Water-cooled tank; 71. Inlet pipe; 72. Outlet pipe. Detailed implementation mode

[0030] Next, in combination with the accompanying drawings and specific implementation modes, the present utility model will be further described. It should be noted that, on the premise of no conflict, any combination can be formed among the following-described embodiments or technical features to form a new embodiment.

[0031] Embodiment:

[0032] Please refer to Figures 1-5 , a sealing box structure of a water-cooled wall manhole door for a new type of thermal power plant in this embodiment, includes a manhole door body 1. A handle one 2 is arranged at the top end of the manhole door body 1, a connecting ring 3 is arranged at the bottom end of the manhole door body 1, a notch one 4 is arranged at the top end of the manhole door body 1, a connecting plate 5 is arranged at the front end of the connecting ring 3, a fixing block 6 is arranged at the right end of the connecting ring 3, and a cold water tank is arranged at the ends of the fixing blocks 6 close to each other.

[0033] There are two handle ones 2, and the bottom ends of the two handle ones 2 are fixedly connected to the top end of the manhole door body 1. The top end of the connecting ring 3 is clamped with the bottom end of the manhole door body 1. There are several notch ones 4, and several notch ones 4 are opened at the top end of the manhole door body 1.

[0034] The connecting plate 5 includes bolts 51 and nuts 52. There are several connecting plates 5, and the ends of several connecting plates 5 close to each other are fixedly connected to the ends of the connecting ring 3 away from each other. There are several bolts 51 and several nuts 52, and several bolts 51 are threadedly connected to several nuts 52 through several connecting plates 5.

[0035] The connecting plate 5 includes movable columns 53, connecting blocks 54 and threaded rods 56. There are several movable columns 53, and the interiors of several movable columns 53 are sleeved on the surfaces of several bolts 51. There are several connecting blocks 54, and the bottom ends of several connecting blocks 54 are fixedly connected to the top ends of several movable columns 53. There are several threaded rods 56, and the bottom ends of several threaded rods 56 are fixedly connected to the top ends of several connecting blocks 54.

[0036] The connecting plate 5 includes clamping blocks 55 and handle twos 57. There are several clamping blocks 55, and the interiors of several clamping blocks 55 are threadedly connected to the surfaces of several threaded rods 56. There are several handle twos 57, and the bottom ends of several handle twos 57 are fixedly connected to the top ends of several clamping blocks 55.

[0037] The fixed block 6 includes a second notch 61, a rotating block 62 and a rotating shaft 63. There are two fixed blocks 6. The left ends of the two fixed blocks 6 are fixedly connected to the right end of the connecting ring 3. There are two second notches 61, and the two second notches 61 are opened on the surfaces of the two fixed blocks 6. There are two rotating blocks 62, and the bottom ends of the two rotating blocks 62 are fixedly connected to the top end of the manhole door body 1. There are two rotating shafts 63, and the mutually approaching ends of the two rotating blocks 62 are rotationally connected to the notches opened on the surfaces of the two fixed blocks 6 through the two rotating shafts 63.

[0038] The cold water tank includes a water inlet pipe 71 and a water outlet pipe 72. The mutually remote ends of the cold water tank are fixedly connected to the mutually approaching ends of the two fixed blocks 6. The left end of the water inlet pipe 71 is fixedly connected to the right end of the cold water tank, and the bottom end of the water inlet pipe 71 is fixedly connected to the surface of the connecting ring 3. The left end of the water outlet pipe 72 is fixedly connected to the right end of the cold water tank, and the bottom end of the water outlet pipe 72 is fixedly connected to the surface of the connecting ring 3.

[0039] In the embodiment of the present application, the implementation principle of a novel water-cooled wall manhole door sealing box structure of a thermal power plant is as follows: The staff fixes the bottom end of the connecting ring 3 on the surface of the equipment. After the bottom end of the manhole door body 1 contacts the top end of the connecting ring 3, the staff connects the bolt 51 and the nut 52. After the connection, the staff rotates the clamping block 55 and rotates the clamping block 55 to the notch 4 to fix the manhole door body 1, so as to prevent the leakage of gas, liquid or solid substances, and also play a certain role in heat insulation and anti-corrosion. The staff pulls the handle 1, and the rotating block 62 can rotate through the rotating shaft 63. Since the bottom end of the rotating block 62 is fixedly connected to the top end of the manhole door body 1, when the staff pulls the handle 1, the manhole door body 1 can be opened. The staff drains water into the cold water tank for cooling, and the cooled water drains into the connecting ring 3 from the water outlet pipe 72 to cool the manhole door body 1. The cooled water flows into the cold water tank from the water outlet pipe 72 for circulation to improve the cooling efficiency.

[0040] The above implementation manners are only the preferred implementation manners of the present utility model, and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present utility model all belong to the protection scope required by the present utility model.

Claims

1. A sealing box structure for a water-cooled wall manhole door in a new type of thermal power plant, characterized in that, It includes a manhole door body (1). At the top of the manhole door body (1), there is a first handle (2). At the bottom of the manhole door body (1), there is a connecting ring (3). At the top of the manhole door body (1), there is a first notch (4). At the front end of the connecting ring (3), there is a connecting plate (5). At the right end of the connecting ring (3), there is a fixing block (6). At the mutually approaching ends of the fixing blocks (6), there is a cold water tank.

2. The sealing box structure of the water-cooled wall manhole door of a new type of thermal power plant as described in claim 1, wherein: There are two first handles (2). The bottoms of the two first handles (2) are fixedly connected to the top of the manhole door body (1). The top of the connecting ring (3) is snap-connected to the bottom of the manhole door body (1). There are several first notches (4), and several of the first notches (4) are opened at the top of the manhole door body (1).

3. A sealing box structure for a water-cooled wall manhole door in a new type of thermal power plant as described in claim 1, characterized in that: The connecting plate (5) includes bolts (51) and nuts (52). There are several connecting plates (5). The mutually approaching ends of the several connecting plates (5) are fixedly connected to the mutually remote ends of the connecting ring (3). There are several bolts (51) and several nuts (52). The several bolts (51) are threadedly connected to the several nuts (52) through the several connecting plates (5).

4. A novel water-cooled wall manhole door sealing box structure for a thermal power plant according to claim 1, characterized in that: The connecting plate (5) includes movable columns (53), connecting blocks (54), and threaded rods (56). There are several movable columns (53). The interiors of the several movable columns (53) are sleeved on the surfaces of the several bolts (51). There are several connecting blocks (54). The bottoms of the several connecting blocks (54) are fixedly connected to the tops of the several movable columns (53). There are several threaded rods (56). The bottoms of the several threaded rods (56) are fixedly connected to the tops of the several connecting blocks (54).

5. The sealing box structure of the water-cooled wall manhole door of a new type of thermal power plant according to claim 1, characterized in that: The connecting plate (5) includes clamping blocks (55) and second handles (57). There are several clamping blocks (55). The interiors of the several clamping blocks (55) are threadedly connected to the surfaces of the several threaded rods (56). There are several second handles (57). The bottoms of the several second handles (57) are fixedly connected to the tops of the several clamping blocks (55).

6. A sealing box structure for a water-cooled wall manhole door in a new type of thermal power plant according to claim 1, characterized in that: The fixing block (6) includes a second notch (61), a rotating block (62), and a rotating shaft (63). There are two fixing blocks (6). The left ends of the two fixing blocks (6) are fixedly connected to the right end of the connecting ring (3). There are two second notches (61), and the two second notches (61) are opened on the surfaces of the two fixing blocks (6). There are two rotating blocks (62). The bottoms of the two rotating blocks (62) are fixedly connected to the top of the manhole door body (1). There are two rotating shafts (63). The mutually approaching ends of the two rotating blocks (62) are rotationally connected to the notches opened on the surfaces of the two fixing blocks (6) through the two rotating shafts (63).

7. A sealing box structure for a water-cooled wall manhole door of a new type of thermal power plant according to claim 1, characterized in that: The cold water tank includes a water inlet pipe (71) and a water outlet pipe (72). One end of the cold water tank that is far away from each other is fixedly connected to one end of two fixing blocks (6) that are close to each other. The left end of the water inlet pipe (71) is fixedly connected to the right end of the cold water tank. The bottom end of the water inlet pipe (71) is fixedly connected to the surface of the connecting ring (3). The left end of the water outlet pipe (72) is fixedly connected to the right end of the cold water tank. The bottom end of the water outlet pipe (72) is fixedly connected to the surface of the connecting ring (3).

Images