A coke oven flue elbow pipe overall suspension fixing frame

Abstract

The present application belongs to the technical field of hanging device, and provides a coke oven flue elbow pipe overall suspension fixing frame, which comprises: a fixing frame, which is used for being fixed on the top of a coke oven and is distributed above the design position of the whole row of flue elbow pipes; a circular hoop, which is fixedly sleeved on the outer periphery of the top of the flue elbow pipe; the circular hoop is multiple, and is uniformly distributed along the length direction of the coke oven; a suspension assembly, which corresponds to the circular hoop one by one, and each circular hoop is hoisted on the fixing frame through the corresponding suspension assembly; an adjusting device is arranged on the suspension assembly, which is used for adjusting the elevation of the flue elbow pipe. The present application can improve the installation efficiency and installation precision of the flue elbow pipe. The present application has the advantages of simple structure, convenient installation, simple operation, time and labor saving, etc.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of hanging device, and particularly relates to a coke oven flue elbow pipe overall suspension fixing frame. BACKGROUND

[0002] At present, a row of flue elbow pipes needs to be installed on the machine side and the coke side of the coke oven during the flue construction. Each row of flue elbow pipes includes multiple flue elbow pipes and is uniformly distributed along the length direction of the coke oven.

[0003] The flue elbow pipe construction process is as follows: (1) measurement and line laying; (2) hoisting and positioning the flue elbow pipe and pre-burying it in the flue; (3) pouring the flue concrete to complete the fixation of the flue elbow pipe.

[0004] However, the flue elbow pipe is made of cast iron and is heavy in weight; the flue elbow pipe is large in quantity and is installed in a relatively concentrated manner; and the existing hoisting device is inconvenient to operate. Therefore, the installation of the flue elbow pipe has the following problems: low installation precision and slow installation speed during the installation process.

[0005] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. SUMMARY

[0006] The purpose of the present application is to provide a coke oven flue elbow pipe overall suspension fixing frame which can solve the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the present application provides the following technical solution:

[0008] A coke oven flue elbow pipe overall suspension fixing frame comprises:

[0009] A fixing frame is used for being fixed to the top of the coke oven and being distributed above the design position of the entire row of flue elbow pipes;

[0010] A circular hoop is fixedly sleeved on the outer periphery of the top of the flue elbow pipe; the circular hoop is multiple and is uniformly distributed along the length direction of the coke oven;

[0011] A suspension assembly corresponds to the circular hoop one by one, each circular hoop is hoisted on the fixing frame through the corresponding suspension assembly; an adjusting device is arranged on the suspension assembly and is used for adjusting the elevation of the flue elbow pipe.

[0012] In the coke oven flue elbow pipe overall suspension fixing frame, preferably, the outer periphery of the circular hoop is provided with two or more lifting lugs;

[0013] Correspondingly, the suspension assembly includes two or more lifting ropes, the lifting ropes correspond to the lifting lugs one by one, and the adjusting device is arranged on each lifting rope.

[0014] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, the adjusting device is a basket bolt; one end of the basket bolt is connected with the lifting lug, and the other end is connected with the lifting rope.

[0015] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, both ends of the lifting rope are provided with hook portions, one of which is hung on the fixing frame, and the other of which is connected with the basket bolt.

[0016] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, the fixing frame comprises:

[0017] Supporting rods, a plurality of which are uniformly distributed along the length direction of the coke oven; the supporting rods extend along the width direction of the coke oven, and are used for being fixedly inserted into the coke oven column bracket foundation and extending into the coke oven interior;

[0018] A lifting rod which extends along the length direction of the coke oven and is fixedly arranged above the supporting rods, and the suspension assembly is hung on the lifting rod.

[0019] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, the coke oven flue elbow overall suspension fixing frame further comprises a reinforcing device which is fixedly arranged on the coke oven body and used for lifting or supporting the fixing frame.

[0020] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, the reinforcing device is arranged above the fixing frame, and the connecting position of the reinforcing device and the fixing frame is located on the side of the fixing frame which is far away from the coke oven body.

[0021] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, the reinforcing device comprises a plurality of first reinforcing rods which are arranged one by one corresponding to the supporting rods.

[0022] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, the reinforcing device comprises:

[0023] A first increasing rod which is used for being fixedly arranged on the top of the coke oven column bracket foundation;

[0024] A second increasing rod, one end of which is fixedly connected with the top of the first increasing rod, and the other end of which is fixedly connected with the end of the supporting rod which is close to the coke oven interior.

[0025] In the coke oven flue elbow overall suspension fixing frame as described above, preferably, the reinforcing device further comprises a third increasing rod, one end of which is fixedly connected with the coke oven body, and the other end of which is fixedly connected with the first increasing rod.

[0026] The third increasing rod and the second increasing rod are respectively distributed on two sides of the first increasing rod.

[0027] Beneficial effects: In use, multiple circular hoops can be respectively sleeved on the whole row of flue bends, and multiple circular hoops can be simultaneously hoisted on the same fixing frame through multiple suspension assemblies, so that the overall suspension and fixation of the whole row of flue bends can be simultaneously completed. In addition, through the adjusting device, the accurate positioning of the elevation of the flue bend can be realized. Therefore, the installation efficiency and installation precision of the flue bend can be improved. The present application has the advantages of simple structure, easy installation, simple operation, time and labor saving, etc. BRIEF DESCRIPTION OF DRAWINGS

[0028] The drawings accompanying the specification of this application form a part of the specification and serve to further illustrate the application, to explain the embodiments of the application and to provide a better understanding of the application. In the drawings:

[0029] Fig. 1 It is a plan view of the whole flue bend suspension and fixation frame of the coke oven in the present application.

[0030] Fig. 2 It is a sectional view of the whole flue bend suspension and fixation frame of the coke oven in the present application.

[0031] Fig. 3 It is a structural schematic view of the circular hoop in the present application.

[0032] The names corresponding to each of the reference numerals in the drawings are as follows: 1-second increasing rod; 2-first increasing rod; 3-third increasing rod; 4-supporting rod; 5-hoisting rod; 6-hoisting rope; 7-flower basket bolt; 8-circular hoop; 9-lifting lug; 10-connecting rod. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0034] In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and are not required to be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "connected", "connected" used in the present application should be understood broadly, for example, it can be fixed connection, or detachable connection; it can be directly connected, or indirectly connected through intermediate components, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.

[0035] The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0036] As shown in Figs. 1-3 A coke oven flue elbow overall suspension fixing frame, comprising:

[0037] The fixing frame is used for being fixed to the top of the coke oven; the fixing frame is located above the design elevation of the flue elbow, and there is a certain distance between the fixing frame and the flue elbow, and the fixing frame can cover the whole row of flue elbows;

[0038] The circular hoop 8 is fixedly sleeved on the outer periphery of the top of the flue elbow; there are multiple circular hoops 8, which are uniformly distributed along the length direction of the coke oven; the specific number of the circular hoops 8 is determined according to the number of the flue elbows;

[0039] The suspension assembly corresponds to the circular hoop 8 one by one, each circular hoop 8 is hoisted on the fixing frame through the corresponding suspension assembly; the suspension assembly is provided with an adjusting device for adjusting the elevation of the flue elbow, so as to realize the accurate positioning of the flue elbow, thereby improving the installation quality.

[0040] In use, the coke oven flue elbow overall suspension fixing frame of the present application can be installed on the machine side and the coke side of the coke oven respectively. Through the coke oven flue elbow overall suspension fixing frame arranged on the machine side and the coke side, the overall suspension fixing of the corresponding whole row of flue elbows on the machine side and the coke side can be realized, thereby greatly improving the construction efficiency of the flue elbow.

[0041] In an optional embodiment of the present application, the outer periphery of the circular hoop 8 is provided with two or more lifting lugs (for example: 2, 3, 4, 5, 6, 7 or 8); the multiple lifting lugs are uniformly distributed along the outer periphery of the circular hoop 8.

[0042] Correspondingly, the suspension assembly comprises two or more lifting ropes 6, the lifting rope 6 corresponds to the lifting lug one by one, and the adjusting device is arranged on each lifting rope 6.

[0043] Specifically, the circular hoop 8 is made of a round steel with a specification of Φ10 (unit: mm). The diameter of the circular hoop 8 is the same as the diameter of the corresponding position of the flue elbow. The lifting lug can be made of a reinforcing bar, and preferably, the lifting lug can be made of a waste reinforcing bar.

[0044] In an optional embodiment of the present application, the adjusting device is a basket bolt 7, one end of the basket bolt 7 is connected with the lifting lug 9, and the other end is connected with the lifting rope 6. The basket bolt 7 is telescopic by means of a screw rod, can adjust the tightness of the lifting rope 6, and further can realize the elevation adjustment of the flue elbow to reach the design elevation.

[0045] In other optional embodiments of the present application, the suspension assembly includes two or more lifting rods, and each lifting rod is provided with an adjusting device. The lifting rod is a telescopic rod, and the adjusting device is a driving mechanism for driving the telescopic rod, such as a hydraulic driving mechanism or a motor driving mechanism.

[0046] In an optional embodiment of the present application, the lifting rope 6 is provided with a hook portion at each end, one of the hook portions is hung on the fixed frame, and the other hook portion is connected with the basket bolt 7. The lifting rope 6 is made of a reinforcing bar, and preferably, the lifting rope 6 can be made of a waste reinforcing bar with a specification of Φ12 (unit: mm).

[0047] In an optional embodiment of the present application, the fixed frame includes:

[0048] The support rods 4 are multiple and are uniformly distributed along the length direction of the coke oven. The support rods 4 extend along the width direction of the coke oven, one end of the support rod 4 is fixedly inserted into the reserved hole of the coke oven column bracket foundation, and the other end of the support rod 4 extends into the coke oven.

[0049] The lifting rod 5 extends along the length direction of the coke oven and is fixedly arranged above the support rod 4, and the suspension assembly is hung on the lifting rod 5.

[0050] Preferably, the support rod 4 is a steel pipe with a length of 1.5 m, and the overhanging size (the size of the support rod 4 located inside the coke oven) can be determined according to the diameter of the flue elbow. The lifting rod 5 is an angle steel with a model of 50*50*3 angle steel (two sides with a length of 50 mm and a height of 3 mm).

[0051] In other embodiments, the fixed frame can also be a horizontally arranged net structure.

[0052] In an optional embodiment of the present application, the coke oven flue elbow overall suspension fixed frame further includes a reinforcing device, the reinforcing device is fixedly installed on the coke oven body, and the reinforcing device is used for hoisting or supporting the fixed frame. The reinforcing device is used for preventing the fixed frame from being bent and deformed, so as to increase the strength of the fixed frame.

[0053] In an alternative embodiment of the present application, the reinforcing device is hung above the fixing frame, and the connecting position of the reinforcing device and the fixing frame is located on the side of the fixing frame away from the coke oven body.

[0054] In an alternative embodiment of the present application, there are multiple reinforcing devices, and each of the multiple reinforcing devices corresponds to one support rod 4.

[0055] Each of the reinforcing devices comprises a first increasing rod 2 for fixing the top of the coke oven column bracket foundation, a second increasing rod 1, one end of the second increasing rod 1 is fixedly connected with the top of the first increasing rod 2, and the other end of the second increasing rod 1 is fixedly connected with the end of the support rod 4 close to the inside of the coke oven. Preferably, the first increasing rod 2 is arranged obliquely, and the first increasing rod 2 is inclined from top to bottom towards the inside of the coke oven.

[0056] Under the joint action of the first increasing rod 2 and the second increasing rod 1, the bending of the support rod 4 can be prevented, and thus the bending of the fixing frame as a whole can be prevented.

[0057] Preferably, the reinforcing device further comprises a third increasing rod 3, one end of the third increasing rod 3 is fixedly connected with the coke oven body, and the other end of the third increasing rod 3 is fixedly connected with the first increasing rod 2; the third increasing rod 3 and the second increasing rod 1 are respectively distributed on the two sides of the first increasing rod 2. By arranging the third increasing rod 3, the bending resistance of the fixing frame can be further improved.

[0058] Further preferably, the multiple third increasing rods 3 are fixedly connected together through a connecting rod 10, which can further improve the bending resistance of the fixing frame, and increase the safety and stability of the equipment. The connecting rod 10 is fixedly arranged above the third increasing rods 3; the connecting rod 10 extends along the length direction of the coke oven.

[0059] In other embodiments, the reinforcing device can also support the fixing frame from below, and the reinforcing device comprises multiple inclined rods, which are spaced apart along the length direction of the coke oven. The upper end of the inclined rod is fixedly connected with the fixing frame, and the lower end of the inclined rod is fixedly connected with the inner wall of the coke oven body.

[0060] In other embodiments, the reinforcing device can also be a reinforcing rib fixedly arranged on the fixing frame.

[0061] In use, first, the fixing frame is installed, then the center lines in the longitudinal and transverse directions are drawn on the upper opening (the upper skin) of the flue elbow using a hacksaw, the automobile crane is used to hoist the flue elbow to the initial position, then the circular hoop 8 is fixedly arranged on the flue elbow, the flue elbow is adjusted and fixed through the suspension assembly and the adjusting device, thereby forming a coke oven flue elbow overall suspension fixing frame, and the purpose of balancing and positioning the flue elbow is achieved.

[0062] The specific construction method comprises the following steps:

[0063] 1. Measurement of the line

[0064] According to the design drawings, the line of the flue bend position is well laid out. Before the measurement of the line, the instruments and steel tape used in the construction are calibrated. The entire coke oven construction line can only use one calibrated 50m steel tape. The measuring instruments use total station and level, which can meet the needs of construction.

[0065] After the flue bend fixing frame is set, the longitudinal and transverse center lines and elevation reference points of the flue bend on both sides of the coke oven are laid out based on the coke oven control network and carefully compounded and adjusted. After confirmation, the center lines of the flue bend are respectively led to the buried pile points outside the flue two end foundations for ready inspection at any time.

[0066] 2. Installation of the fixing frame

[0067] In the reserved hole of the coke oven column bracket foundation completed by civil construction, a support rod 4 is inserted and fixed with a wooden wedge. The support rod 4 is a 1.5m long steel pipe, and the outer overhang of the support rod 4 is about 70-100cm (depending on the diameter of the flue bend).

[0068] The end of the support rod 4 close to the inside of the coke oven is the overhanging end, and the overhanging end of the support rod 4 is connected and tensioned with the oven body by a reinforcing device above to prevent bending. The reinforcing device includes a first increasing rod 2, a second increasing rod 1 and a third increasing rod 3, and the three reinforcing rods are Φ12mm steel ropes.

[0069] 3. Installation of the lifting rod 5

[0070] A 50*50*3 angle steel is selected as the lifting rod 5. A lifting rod 5 is fixed on the outer overhanging support rod 4 along the length direction (longitudinal direction) of the coke oven, and the intersection of the lifting rod 5 and the support rod 4 is fixed by spot welding on both sides by electric welding to prevent slipping.

[0071] 4. Installation of the circular hoop 8

[0072] A Φ10 round steel is made into a circular hoop 8 with the same diameter as the flue bend, and then three lifting lugs 9 made of Φ12mm scrap steel are welded firmly with the circular hoop 8.

[0073] 5. Installation of the basket bolt 7

[0074] One end of the basket bolt 7 is connected with the lifting lug 9 on the circular hoop 8, and the other end is connected with the basket bolt 7 by a lifting rope 6 (Φ12mm scrap steel), and then hung on the angle steel according to the actual situation on site.

[0075] 6. Lifting and fixing in place

[0076] According to the transverse installation marks made on the flue bends, the flue bends are hoisted one by one to the positions, after the flue bends on both sides of the coke oven are positioned, the flue bends are fixed on the circular collar 8, the longitudinal center reference steel wires of the flue bends on both sides of the coke oven are pulled respectively, the positions of the flue bends are adjusted one by one and the pipe opening heights of the flue bends are checked.

[0077] 7. Adjusting the height

[0078] By manually adjusting the tightening or loosening of the flower basket bolt 7, the balance of the flue bend and the positioning of the height can be achieved, thereby completing the installation of the coke oven flue bend.

[0079] It can be understood that the above description is only exemplary, and the embodiments of the present application do not limit this.

[0080] The above only describes the preferred embodiments of the present application and does not limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application is within the protection scope of the claims of the present application.

Claims

1. A coke oven flue bend integral suspension fixing frame, characterized in that, The utility model relates to a kind of coke oven flue elbow overall suspension fixed frame, including: Fixed frame, for fixed in the top of coke oven, and distribute in the position of the whole row flue elbow design above; Circular sleeve, the circular sleeve is fixedly sleeved on the outer periphery of the top of flue elbow;The circular sleeve is uniformly distributed along the length direction of coke oven; Suspension assembly, the suspension assembly is one-to-one corresponding with the circular sleeve, each circular sleeve is hoisted on the fixed frame by corresponding suspension assembly;Height of flue elbow is adjusted by adjusting device arranged on the suspension assembly; The outer periphery of the circular sleeve is equipped with more than two lugs; Correspondingly, the suspension assembly includes more than two lifting ropes, the lifting rope is one-to-one corresponding with the lug, and the adjusting device is arranged on each lifting rope; The fixed frame includes: Supporting rod, the supporting rod is uniformly distributed along the length direction of coke oven;The supporting rod extends along the width direction of coke oven, and the supporting rod is used to be fixedly inserted in the bracket foundation of coke oven column, and stretch to the inside of coke oven; Hoisting rod, extend along the length direction of the coke oven, and fixedly arranged above the supporting rod, the suspension assembly is hung on the hoisting rod.

2. The integrated suspension fixture for the flue bend of a coke oven according to claim 1, characterized in that, The adjusting device is flower basket bolt;One end of the flower basket bolt is connected with the lug, and the other end is connected with the lifting rope.

3. The integrated suspension fixture for the flue bend of a coke oven according to claim 2, characterized in that, Two ends of the lifting rope are equipped with hook portion, one of the hook portion is hung on the fixed frame, and the other hook portion is connected with the flower basket bolt.

4. The integrated suspension fixture for the flue bend of a coke oven according to any one of claims 1 to 3, characterized in that, The coke oven flue elbow overall suspension fixed frame further includes reinforcing device, the reinforcing device is fixedly installed on the furnace body of coke oven, and the reinforcing device is used to hoist or support the fixed frame.

5. The integrated suspension fixture for the flue bend of a coke oven according to claim 4, characterized in that, The reinforcing device is hoisted above the fixed frame, and the connecting position of the reinforcing device and the fixed frame is located on the side of the fixed frame away from the furnace body of coke oven.

6. The integrated suspension fixture for the flue bend of a coke oven according to claim 5, characterized in that, The reinforcing device has multiple, and multiple reinforcing devices are one-to-one corresponding with the supporting rod.

7. The integrated suspension fixture for the flue bend of a coke oven according to claim 6, characterized in that, The reinforcing device includes: First increase rod, for fixing vertical to the top of coke oven column bracket foundation; Second increase rod, one end of the second increase rod is fixedly connected with the top of the first increase rod, and the other end of the second increase rod is fixedly connected with the end of the supporting rod close to the inside of coke oven.

8. The integrated suspension fixture for the flue bend of a coke oven according to claim 7, characterized in that, The reinforcing device further includes third increase rod, one end of the third increase rod is fixedly connected with the furnace body of coke oven, and the other end of the third increase rod is fixedly connected with the first increase rod; The third increase rod and the second increase rod are respectively distributed on the two sides of the first increase rod.

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