Coke oven door hoist and method of use

Abstract

The present application belongs to the technical field of equipment hoisting, and particularly relates to a coke oven door hoisting device, which comprises a top hoist, a bottom hoist, a top clasp ring, a bottom clasp ring and a first rotating shaft, the coke oven door is connected with the top clasp ring through the top hoist and connected with the bottom clasp ring through the bottom hoist, the top clasp ring is connected with the top hoist through the first rotating shaft, and the coke oven door can rotate around the first rotating shaft. The present application has the advantages of saving materials and the transportation cost of components, not needing to rent large hoists and board cars on site, being able to complete the transportation of components by using a 5-ton forklift, saving labor, successfully hoisting, transporting and installing the coke oven door at one time, saving construction period, not occupying the coke side site for the installation of the coke side coke oven door, and being able to construct the coke drying platform and the coke blocking car track in advance.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of equipment hoisting, in particular to a coke oven door hoisting device and a use method thereof. BACKGROUND

[0002] In the installation process of large coke oven carbonization chamber with a height of 6.25m, 6.78m, 7.3m and above, in order to meet the environmental protection requirements, the internal structure of the oven door is changed from the original site ash mixing and silica brick masonry to the construction of pouring material blocks in the oven door. The surface of the installed pouring material blocks is coated with a smooth "glaze". In order to avoid damage to the "glaze" layer and reduce the service life of the oven door, the number of oven door movements should be minimized during construction. There are generally two kinds of traditional installation methods. The first kind is to delay the construction time of the coke side workpieces such as coke drying platform, coke blocking car track and dust dry pipe support, and then to construct the coke side after the installation of the machine side oven door is completed, which seriously affects the project progress. The second kind is to install the coke side oven door first, and then to construct the machine side oven door. Due to the limited construction site, a large crane must be used to hoist the coke side oven door, which requires a large mechanical cost. Therefore, a new coke oven door hoisting device is needed to solve the above technical problems. SUMMARY

[0003] To solve the above-mentioned technical problems, the present application provides a coke oven door hoisting device and a use method thereof, which reduces the number of oven door movements, speeds up the installation, shortens the construction period and saves a lot of cost.

[0004] The technical solution adopted by the embodiment of the present application is: a coke oven door hoisting device, which can be connected with the oven door, characterized in that: it comprises a top hoist, a bottom hoist, a top clasp ring, a bottom clasp ring and a first rotating shaft, the oven door is connected with the top clasp ring through the top hoist and connected with the bottom clasp ring through the bottom hoist, the top clasp ring is connected with the top hoist through the first rotating shaft, and the oven door can rotate around the first rotating shaft.

[0005] Further, the top hoist comprises a first connecting plate and a first fastener, the first connecting plate is connected with the top of the oven door through the first fastener and rotationally connected with the top clasp ring through the first rotating shaft.

[0006] Further, the end of the first connecting plate away from the oven door is provided with a first baffle, and the first rotating shaft is arranged on the first baffle.

[0007] Further, the number of the first baffle and the first rotating shaft is the same and at least two.

[0008] Further, the top clamping ring is a U-shaped clamping ring, two ends of the open end of the top clamping ring are provided with first through holes, the first baffle is arranged between the two first through holes, and the first rotating shaft penetrates the first through holes and the first baffle.

[0009] Further, the bottom lifting device comprises a second connecting plate and a second fastener, the second connecting plate is connected with the bottom of the furnace door through the second fastener and connected with the bottom clamping ring through a second rotating shaft.

[0010] Further, the end of the second connecting plate away from the furnace door is provided with a second baffle, and the second rotating shaft is arranged on the second baffle.

[0011] Further, the number of the second baffle and the second rotating shaft is the same and at least two.

[0012] Further, the bottom clamping ring is a U-shaped clamping ring, two ends of the open end of the bottom clamping ring are provided with second through holes, the second baffle is arranged between the two second through holes, and the second rotating shaft penetrates the second through holes and the second baffle.

[0013] Further, the top clamping ring is connected with a first hoisting rope, and the bottom clamping ring is connected with a second hoisting rope.

[0014] The method for using the coke oven furnace door hoisting device as described above, characterized in that:

[0015] The top of the furnace door is connected with the top clamping ring through the top lifting device.

[0016] The bottom of the furnace door is connected with the bottom clamping ring through the bottom lifting device.

[0017] The furnace door is hoisted in parallel and then rotated around the first rotating shaft.

[0018] The present application has the advantages and positive effects that: the furnace door on the machine side and the coke side can be simultaneously constructed, the transportation cost of materials and components is saved, a large-scale crane and a board car are not needed to be rented on site, and the transportation work of components can be completed by using a 5-ton forklift; the furnace door is hoisted in parallel and then rotated, so that the furnace door is hoisted, transported and installed in place once, the damage of the inner castable surface of the furnace door caused by multiple movements is avoided, the mechanical cost of installing the furnace door by using a large-scale crane during the installation of the coke side furnace door is saved, the construction period is saved, the coke side furnace door installation no longer occupies the coke side site, and the coke airing platform and the coke blocking rail track can be constructed in advance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of an embodiment provided by the present application in use;

[0020] Figure 2is a structural schematic diagram of an embodiment provided by the present application;

[0021] Figure 3 is Figure 2 is a structural schematic diagram in the B-B direction;

[0022] Figure 4 is Figure 2 is a structural schematic diagram in the A-A direction.

[0023] in the figure:

[0024] 1, top hanger; 11, first connecting plate; 12, first fastener; 13, first rotating shaft; 14, first baffle; 2, top clasp; 3, bottom hanger; 31, second connecting plate; 32, second fastener; 33, second rotating shaft; 34, second baffle; 4, bottom clasp; 5, first hoisting rope; 6, second hoisting rope; 8, furnace door. DETAILED DESCRIPTION

[0025] The embodiment of the present application provides a coke oven door hoisting device and a use method, which will be described below with reference to the accompanying drawings. In the prior art, the components required for the machine side furnace door are placed in the empty land in front of the machine side, and the components required for the coke side furnace door are placed in the coke side, which occupies a larger area of the site. When constructing, either the coke side is constructed first and then the machine side, or the machine side is constructed first and then the coke side. The two sides cannot be constructed at the same time. Because the construction site is limited, a large crane is also required to hoist the coke side furnace door, cross the roof of the furnace and then install it, which is time-consuming and laborious, seriously slows down the construction progress, and the mechanical cost is large.

[0026] Referring to Figure 1 The coke oven door hoisting device can be connected with the furnace door 8, and has the characteristics that it comprises a top hanger 1, a bottom hanger 3, a top clasp 2, a bottom clasp 4 and a first rotating shaft 13. The furnace door 8 is connected with the top clasp 2 through the top hanger 1 and connected with the bottom clasp 4 through the bottom hanger 3. The top clasp 2 is connected with the top hanger 3 through the first rotating shaft 13. The furnace door 8 can rotate around the first rotating shaft 13. After the furnace door 8 and the castable block are assembled on the machine side operation platform, the furnace door 8 is hoisted to the furnace door roller height in parallel through the top clasp 2 and the bottom clasp 4. The bottom hanger 4 is loosened. The furnace door 8 and the top hanger 1 rotate together around the first rotating shaft 13 until the furnace door 8 approaches a vertical angle. Then the furnace door frame is installed. Whether it is a coke side furnace door or a machine side furnace door, it can be hoisted, transported and installed in place at one time, which reduces the number of furnace door movements, ensures the quality of the lining surface, speeds up the overall speed of furnace door installation, improves work efficiency and saves the investment cost of large machinery. In addition, only two single-beam cranes are required. The installation of the coke side furnace door no longer needs to occupy the coke side site. The coke drying platform and the coke blocking track can be constructed in advance, which saves the construction period.

[0027] Preferably, as shown in Figure 2 The top hoist 1 comprises a first connecting plate 11 and a first fastener 12, the first connecting plate is connected with the top of the furnace door 8 through the first fastener 12 and is rotationally connected with the top clasp 2 through a first rotating shaft 13. In the embodiment, the first fastener 12 and the second fastener 32 are four high-strength bolts, which are not limited here as long as the same function can be achieved.

[0028] Preferably, as shown in Figure 3 The end of the first connecting plate 11 away from the furnace door 8 is provided with a first baffle 14, and the first rotating shaft 13 is arranged on the first baffle 14.

[0029] Preferably, the number of the first baffle 14 and the first rotating shaft 13 is the same and at least two. In the embodiment, the top of the first connecting plate 11 is provided with two first baffles 14, and the top of each first baffle 14 is provided with a top clasp 2, and the top clasp 2 can rotate around the first rotating shaft 13, and the furnace door 8 can be lifted by the top clasp 2.

[0030] Preferably, the top clasp 2 is a U-shaped clasp, the two ends of the open end of the top clasp 2 are provided with first through holes, the first baffle 14 is arranged between the two first through holes, and the first rotating shaft 13 penetrates the first through holes and the first baffle 14.

[0031] Preferably, the end of the first rotating shaft 13 is provided with a pin hole. In the embodiment, the two ends of the first rotating shaft 13 are provided with pin holes, and a pin is inserted into the pin hole to clasp the first rotating shaft 13 and the top clasp 2, so that the top clasp 2 can only rotate around the first rotating shaft 13, thereby ensuring the safety during construction.

[0032] Preferably, the bottom hoist 3 comprises a second connecting plate 31 and a second fastener 32, the second connecting plate 31 is connected with the bottom of the furnace door 8 through the second fastener 32 and is connected with the bottom clasp 4 through a second rotating shaft 33.

[0033] Preferably, as shown in Figure 4 The end of the second connecting plate 31 away from the furnace door 8 is provided with a second baffle 34, and the second rotating shaft 33 is arranged on the second baffle 34.

[0034] Preferably, the number of the second baffle 34 and the second rotating shaft 33 is the same and at least two. In the embodiment, the top of the second connecting plate 31 is provided with two second baffles 34, and the top of each second baffle 34 is provided with a bottom clasp 4, and the bottom clasp 4 can rotate around the second rotating shaft 33, and the furnace door 8 can be lifted by the bottom clasp 4.

[0035] Preferably, the bottom clasp 4 is a U-shaped clasp, the two ends of the open end are provided with second through holes, the second baffle 34 is arranged between the two second through holes, and the second rotating shaft 33 penetrates the second through holes and the second baffle 34.

[0036] Preferably, the top clasp 2 is connected with the first hoisting rope 5, and the bottom clasp 4 is connected with the second hoisting rope 6.

[0037] In use, the top hoist 1 and the bottom hoist 3 are fixed to the top and the bottom of the furnace door 8 respectively, the first hoisting rope 5 is connected with the top clasp 2, the second hoisting rope 6 is connected with the bottom clasp 4, the two single-beam cranes are controlled to synchronously lift the furnace door 8 to the furnace door roller height, as shown in the figure, then the single-beam crane at the bottom of the furnace door 8 slowly releases the hook, the top hoist 1 of the furnace door 8 keeps the installation height of the furnace door 8 unchanged, and starts to rotate around the first rotating shaft 13 at the connection position of the top hoist 1 and the top clasp 2, when the furnace door 8 approaches a vertical angle, the bottom hoist 3 is removed, and then the bottom hoist slowly approaches the furnace door frame, the furnace door is adjusted up and down to the furnace door roller height, and after the upper and lower furnace door bolts are accurately positioned by using a crowbar, the hoist is removed. Figure 1

[0038] The method for using the coke oven furnace door hoisting device as described above has the characteristics that:

[0039] The top hoist 1 is connected with the top of the furnace door 8 and the top clasp 2.

[0040] The bottom hoist 3 is connected with the bottom of the furnace door 8 and the bottom clasp 4.

[0041] The furnace door 8 is hoisted in parallel and then rotated around the first rotating shaft 13.

[0042] The method has the advantages and positive effects that the furnace doors on the machine side and the coke side can be simultaneously constructed, the transportation cost of materials and components is saved, a large-scale crane and a plate car are not needed to be rented on site, and the transportation work of the components can be completed by using a 5-ton forklift; the furnace door is hoisted in parallel and then rotated, so that the furnace door is hoisted, transported and installed in place once, the damage of the inner castable surface of the furnace door caused by multiple movements is avoided, the mechanical cost of installing the furnace door by using a large-scale crane during installation of the furnace door on the coke side is saved, the construction period is saved, the installation of the furnace door on the coke side no longer occupies the coke side site, and the coke drying platform and the coke blocking rail track can be constructed in advance.

[0043] The embodiments of the present application are described in detail above, but the content described is only the preferred embodiments of the present application and cannot be considered as being used to limit the implementation scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the patent coverage scope of the present application.​

Claims

1. A coke oven door hoist device connectable to a door, characterized by: The furnace door is connected with the top clasp ring through the top hanger and connected with the bottom clasp ring through the bottom hanger, the top clasp ring is connected with the top hanger through the first rotating shaft, and the furnace door can rotate around the first rotating shaft; The first connecting plate is connected with the top of the furnace door through the first fastener and rotationally connected with the top clasp ring through the first rotating shaft; The end of the first connecting plate away from the furnace door is provided with a first baffle, and the first rotating shaft is arranged on the first baffle; The top clasp ring is a U-shaped clasp ring, two end heads of an open end of the top clasp ring are provided with first through holes, the first baffle is arranged between the two first through holes, and the first rotating shaft penetrates the first through holes and the first baffle; The second connecting plate is connected with the bottom of the furnace door through the second fastener and connected with the bottom clasp ring through the second rotating shaft; The end of the second connecting plate away from the furnace door is provided with a second baffle, and the second rotating shaft is arranged on the second baffle; The number of the second baffle and the second rotating shaft is the same, and the number is at least two. The bottom clasp ring is a U-shaped clasp ring, two end heads of an open end of the bottom clasp ring are provided with second through holes, the second baffle is arranged between the two second through holes, and the second rotating shaft penetrates the second through holes and the second baffle.

2. A coke oven door hoist as claimed in claim 1, characterized in that: The number of the first baffle and the first rotating shaft is the same, and the number is at least two.

3. A method for using the furnace door hoisting device according to claim 1, characterized in that: The top of the furnace door is connected with the top clasp ring through the top hanger; The bottom of the furnace door is connected with the bottom clasp ring through the bottom hanger; The furnace door is hoisted in parallel and then rotated around the first rotating shaft.

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