CN111824931A - Mounting tool for gas return pipeline of reheating coke oven and construction method thereof - Google Patents

Mounting tool for gas return pipeline of reheating coke oven and construction method thereof Download PDF

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Publication number
CN111824931A
CN111824931A CN202010613752.0A CN202010613752A CN111824931A CN 111824931 A CN111824931 A CN 111824931A CN 202010613752 A CN202010613752 A CN 202010613752A CN 111824931 A CN111824931 A CN 111824931A
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China
Prior art keywords
pipe
coke oven
lower spray
pulley
joint
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Application number
CN202010613752.0A
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Chinese (zh)
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CN111824931B (en
Inventor
隋新
杨俊刚
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MCC Tiangong Group Corp Ltd
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MCC Tiangong Group Corp Ltd
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Priority to CN202010613752.0A priority Critical patent/CN111824931B/en
Publication of CN111824931A publication Critical patent/CN111824931A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B21/00—Heating of coke ovens with combustible gases
    • C10B21/06—Heating of coke ovens with combustible gases in coke ovens suitable for the use of lean gas or rich gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B29/00—Other details of coke ovens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The invention discloses a mounting tool for a gas return pipeline of a reheating coke oven and a construction method thereof. The gas horizontal pipe lifting device is simple in structure, the existing equipment structure is fully utilized through the simple pulley assemblies and the joint welding pipes, the current situation of equipment is not changed, the whole tool is installed by screwing the joint welding pipes on the lower spray pipe base, the adjustment is convenient through the pulley assemblies, the gas horizontal pipe with larger weight is convenient to lift, the labor is saved, the manual lifting of an installation pipeline is avoided, and the working efficiency is improved.

Description

Mounting tool for gas return pipeline of reheating coke oven and construction method thereof
Technical Field
The invention relates to the field of coke oven construction and installation and coking enterprise production, in particular to an installation tool for a gas return pipeline of a reheating coke oven and a construction method thereof.
Background
With the continuous upgrading and optimization structure of modern large-volume coke ovens, the large-volume coke ovens are more and more complex in design, heating gas pipelines and related equipment are larger and larger, the space of basement of the coke oven is limited, and preheaters and mixers of the coke ovens with the height of 7m in a coking chamber and the coke ovens with the height of more than 7m are arranged in an outside line area in a unit station mode. So the big volume coke oven basement of present stage is mostly double-deck structure, and coke oven basement's headroom height is than higher, and the horizontal pipe of coke oven gas links to each other through adjusting device (interior aperture plate or nozzle), lower spray tube and the brick gas way of coke oven basic roof pipe laying with the coke oven, for the producer quick replacement horizontal pipe of coke oven gas adjusting device in production from now on, so the horizontal highly setting of pipe of coke oven gas is under the coke oven roof, and the pre-buried seat of spray tube is very close down to. During construction, operators need to install the pipeline through an operation platform due to limited height, and the operators need to lift the pipeline, so that the operation efficiency is very low.
Therefore, when the large-volume coke oven is constructed, in order to ensure that the installation of the coke oven transverse tube is more convenient and the installation precision is higher, a fixing device is formed by using the coke oven foundation top plate buried tube base and the developed installation adjusting joint, and a lifting member is manufactured on the device, so that the construction of operators is more convenient and quicker when the installation is ensured.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the installation tool solves the problems that during construction, due to the fact that the height of an operator is limited, the operator needs to install the installation tool, and needs to lift the installation pipeline, operation efficiency is low, quick installation of the lower spray pipe base is achieved through the joint welding pipe, meanwhile, the pulley block is utilized, the installation of the operator is guaranteed to be more convenient, quicker and more labor-saving during installation, installation accuracy is improved during construction, manpower is saved, and the device is high in recycling rate.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides an installation tool that compound heat type coke oven time recovery gas pipeline used, including connecting the welded tube, the top that connects the welded tube is installed in the lower spray tube base of compound heat type coke oven time recovery, connect the welded tube bottom and be fixed with the lifting hook, install the slip subassembly on the lifting hook, the loose pulley subassembly is including fixing fixed pulley, movable pulley and the round rope on the lifting hook, the one end of round rope is fixed on the fixed pulley, the other end of round rope is walked around behind the movable pulley and is drawn forth from the fixed pulley, change the vertical position of movable pulley through pulling the round rope, be fixed with on the movable pulley with the horizontal wheel hook of being connected of coal gas.
The diameter of the lifting hook is equal to the outer diameter of the joint welded pipe, and the circle center of the lifting hook is located on the central line of the joint welded pipe.
The center of the fixed pulley is positioned on the central line of the joint welded pipe.
The joint welding pipe is fixed in the spray pipe base in a threaded fit mode.
The length of the joint welding pipe is less than that of a lower spray pipe of the reheating coke oven.
The installation method of the installation tool for the return gas pipeline of the reheating coke oven comprises the following steps:
firstly, taking a joint welded pipe with the outer diameter equal to that of a lower spray pipe base, cutting at least two sections of joint welded pipes with the length smaller than that of a lower spray pipe of a reheating coke oven, processing external threads matched with the lower spray pipe base on one end of each joint welded pipe, wherein the length of the external threads is the same as that of internal threads on the lower spray pipe base, taking round steel to manufacture lifting hooks with the same number as that of the joint welded pipes, and taking one fixed pulley, one movable pulley and one wheel rope with the same number as that of the joint welded pipes;
step two, a fixed pulley, a movable pulley and a wheel rope form a pulley assembly, then a lifting hook is fixed on the outer wall of the joint welding pipe, the center of the lifting hook is controlled to be located on the central line of the joint welding pipe, and the fixed pulley of the pulley assembly is fixed on the lifting hook;
step three, fixing the joint welded pipe assembled in the step two in a lower spray pipe base at an appointed position, hanging the gas transverse pipe on a movable pulley of a pulley assembly, firstly installing the lower spray pipe in the lower spray pipe base, and then pulling a wheel rope to hoist the gas transverse pipe to an installation position, so that butt joint installation of the lower spray pipe and the gas transverse pipe is realized;
and step four, dismantling the installation tool, then installing the rest lower spray pipes at the dismantling positions, and finishing the construction after the installation is finished.
The invention has the beneficial effects that: the gas horizontal pipe lifting device is simple in structure, the existing equipment structure is fully utilized through the simple pulley assemblies and the joint welding pipes, the current situation of equipment is not changed, the whole tool is installed by screwing the joint welding pipes on the lower spray pipe base, the adjustment is convenient through the pulley assemblies, the gas horizontal pipe with larger weight is convenient to lift, the labor is saved, the manual lifting of an installation pipeline is avoided, and the working efficiency is improved.
Drawings
Figure 1 is a partial schematic view of the present invention in the installed state,
fig. 2 is a side view of the present invention in an installed state.
Graphic notation: 1. the device comprises a joint welded pipe, 2, a lower spray pipe base, 3, a lifting hook, 4, a lower spray pipe, 5, a gas transverse pipe, 6, a movable pulley, 7, a wheel rope, 8 and a fixed pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A kind of installation tool used for the gas return pipeline of the reheating type coke oven, including connecting the welded pipe 1, take a welded steel tube to cut and make the welded pipe of joint, the diameter of the welded steel tube is the same as the internal diameter of the base 2 of lower spray pipe, then carry on the mantle fiber on its outer wall and process the external screw thread matching with internal screw thread of the base 2 of lower spray pipe each other, the length of the steel tube is smaller than the length of the lower spray pipe 4 installed in coke oven, the top of the welded pipe of joint is installed in the base 2 of lower spray pipe of the reheating type coke oven, connect the bottom of the welded pipe 1 and is fixed with the lifting hook 3, the lifting hook 3 adopts the round steel of diameter 6.5mm and then welds to the sidewall of the welded pipe 1 of joint, the diameter of the said lifting hook equals to connect the external diameter of the welded pipe and the centre line of the lifting hook locates at the centre line of the welded pipe of joint, guarantee the, More install the slip subassembly on accurate lifting hook, pulley block is including fixing fixed pulley 8, movable pulley 6 and the round rope 7 on the lifting hook, and the one end of round rope 7 is fixed on fixed pulley 8, draws forth from fixed pulley 8 after the other end of round rope 7 walks around movable pulley 6, changes the vertical position of movable pulley 6 through pulling round rope 7, is fixed with the wheel hook of being connected with horizontal pipe 5 of coal gas on the driving rope 6.
The center of the fixed pulley 8 is positioned on the central line of the joint welded pipe 1.
The installation method of the installation tool for the return gas pipeline of the reheating coke oven comprises the following steps:
firstly, taking a joint welded pipe 1 with the outer diameter equal to that of a lower spray pipe base, cutting four sections of joint welded pipes with the length smaller than that of a lower spray pipe of a reheating coke oven, processing external threads matched with the lower spray pipe base on one end of each joint welded pipe, wherein the length of the external threads is the same as that of internal threads on the lower spray pipe base, taking round steel to manufacture lifting hooks 3 with the same number as that of the joint welded pipes, and taking one fixed pulley 8, one movable pulley 6 and one wheel rope 7 with the same number as that of the joint welded pipes;
step two, forming a pulley assembly by the fixed pulley 8, the movable pulley 6 and the pulley rope group 7, fixing a lifting hook on the outer wall of the joint welding pipe, controlling the center of the lifting hook to be positioned on the central line of the joint welding pipe, and fixing the fixed pulley of the pulley assembly on the lifting hook;
step three, fixing the joint welded pipes in the four mounting tools assembled in the step two in a lower spray pipe base at an appointed position, hanging a gas transverse pipe on a movable pulley of a pulley assembly, mounting the lower spray pipe in the lower spray pipe base, then pulling a wheel rope to hoist the gas transverse pipe to a mounting position, and then fixing the wheel rope on the ground to realize butt joint mounting of the remaining 30 lower spray pipes in one row and the gas transverse pipe;
and step four, dismantling the four mounting tools, then mounting the remaining 4 lower spray pipes at the dismantling positions, finishing the construction after the mounting is finished, and mounting the next row of transverse gas pipes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A mounting tool for a gas return pipeline of a reheat type coke oven is characterized in that: the device comprises a joint welding pipe, wherein the top of the joint welding pipe is arranged in a lower spray pipe base of a reheating coke oven, a lifting hook is fixed at the bottom of the joint welding pipe, a sliding assembly is arranged on the lifting hook, a pulley assembly comprises a fixed pulley, a movable pulley and a wheel rope, the fixed pulley, the movable pulley and the wheel rope are fixed on the lifting hook, one end of the wheel rope is fixed on the fixed pulley, the other end of the wheel rope is led out from the fixed pulley after bypassing the movable pulley, the vertical position of the movable pulley is changed by pulling the wheel rope, and a wheel hook connected with a gas transverse pipe is fixed on.
2. The installation tool for the return gas pipeline of the recuperative coke oven of claim 1, wherein: the diameter of the lifting hook is equal to the outer diameter of the joint welded pipe, and the circle center of the lifting hook is located on the central line of the joint welded pipe.
3. The installation tool for the return gas pipeline of the recuperative coke oven of claim 1, wherein: the center of the fixed pulley is positioned on the central line of the joint welded pipe.
4. The installation tool for the return gas pipeline of the recuperative coke oven of claim 1, wherein: the joint welding pipe is fixed in the spray pipe base in a threaded fit mode.
5. The installation tool for the return gas pipeline of the recuperative coke oven of claim 1, wherein: the length of the joint welding pipe is less than that of a lower spray pipe of the reheating coke oven.
6. The installation method of the installation tool for the return gas pipeline of the recuperative coke oven according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
firstly, taking a joint welded pipe with the outer diameter equal to that of a lower spray pipe base, cutting at least two sections of joint welded pipes with the length smaller than that of a lower spray pipe of a reheating coke oven, processing external threads matched with the lower spray pipe base on one end of each joint welded pipe, wherein the length of the external threads is the same as that of internal threads on the lower spray pipe base, taking round steel to manufacture lifting hooks with the same number as that of the joint welded pipes, and taking one fixed pulley, one movable pulley and one wheel rope with the same number as that of the joint welded pipes;
step two, a fixed pulley, a movable pulley and a wheel rope form a pulley assembly, then a lifting hook is fixed on the outer wall of the joint welding pipe, the center of the lifting hook is controlled to be located on the central line of the joint welding pipe, and the fixed pulley of the pulley assembly is fixed on the lifting hook;
step three, fixing the joint welded pipe assembled in the step two in a lower spray pipe base at an appointed position, hanging the gas transverse pipe on a movable pulley of a pulley assembly, firstly installing the lower spray pipe in the lower spray pipe base, and then pulling a wheel rope to hoist the gas transverse pipe to an installation position, so that butt joint installation of the lower spray pipe and the gas transverse pipe is realized;
and step four, dismantling the installation tool, then installing the rest lower spray pipes at the dismantling positions, and finishing the construction after the installation is finished.
CN202010613752.0A 2020-06-30 2020-06-30 Mounting tool for gas return pipeline of reheating coke oven and construction method thereof Active CN111824931B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114165641A (en) * 2021-12-06 2022-03-11 中国一冶集团有限公司 Coke oven basement heating gas pipeline intersecting and centering device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191230094A (en) * 1912-12-31 1914-03-31 Louis Tabulo Improvements in Pulley-blocks and Hoisting and Lowering Gear.
CN206735691U (en) * 2017-05-08 2017-12-12 中铁十六局集团第一工程有限公司 A kind of handling apparatus for deep basal pit installation reinforcing bar
CN209702791U (en) * 2019-04-03 2019-11-29 安徽马钢设备检修有限公司 Suspender is used in a kind of dismounting of blast furnace bustle pipe
CN209797332U (en) * 2019-04-19 2019-12-17 国电龙源电力技术工程有限责任公司 Hoisting system for complex space heavy pipeline equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191230094A (en) * 1912-12-31 1914-03-31 Louis Tabulo Improvements in Pulley-blocks and Hoisting and Lowering Gear.
CN206735691U (en) * 2017-05-08 2017-12-12 中铁十六局集团第一工程有限公司 A kind of handling apparatus for deep basal pit installation reinforcing bar
CN209702791U (en) * 2019-04-03 2019-11-29 安徽马钢设备检修有限公司 Suspender is used in a kind of dismounting of blast furnace bustle pipe
CN209797332U (en) * 2019-04-19 2019-12-17 国电龙源电力技术工程有限责任公司 Hoisting system for complex space heavy pipeline equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114165641A (en) * 2021-12-06 2022-03-11 中国一冶集团有限公司 Coke oven basement heating gas pipeline intersecting and centering device
CN114165641B (en) * 2021-12-06 2023-10-27 中国一冶集团有限公司 Centering device for coke oven basement heating gas pipeline

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