8results about "Oven foundations" patented technology

The invention relates to the field of coke dry quenching furnace refractory material repair construction, and discloses a top-pulling bottom-bracing system for maintaining corbel pillar bricks of a coke dry quenching furnace. The system comprises a suspension top pulling device and a bottom supporting device. The suspension jacking and pulling device comprises a furnace mouth bearing beam and a plurality of suspension jacking and pulling units annularly distributed on the periphery of the furnace mouth bearing beam, and each suspension jacking and pulling unit comprises an in-furnace bearing beam, a middle bolt hole bearing support and a suspension connecting assembly. The bottom supporting device comprises bottom supporting units with the number corresponding to that of the suspension top pulling units, each bottom supporting unit comprises a stand column, a protection plate fixed to the stand column and a lifting device, and the lifting devices are placed at the top ends of the stand columns to support the bearing beam in the furnace from the lower portion when used. According to the system, top pulling and bottom supporting are combined, upward pulling is achieved through the furnace mouth bearing beam and the middle bolt hole bearing support, bottom supporting is achieved through the stand columns and the lifting device, stable supporting is formed, and masonry sinking or cracking or collapse in the maintenance process is prevented.

To provide a monitoring device for a coke oven that can measure the length of a furnace tightening spring without performing construction on the coke oven, and moreover, has good maintainability as a whole device.SOLUTION: A monitoring device 3 for a coke oven 1 comprises: a furnace wall 11; backstays 12 disposed on both sides of the furnace wall 11; an upper cross tie rod 13 installed on the upper part of the furnace wall 11; an upper cross tie rod spring 14 attached to an end part of the upper cross tie rod 13 on an extruder 4 side; upper spring receiver parts 15, 16 provided on both sides of the upper cross tie rod spring 14, respectively; an imaging apparatus 26 that simultaneously captures images of one upper spring receiver part 15 and the other spring receiver part 16; and an analyzer 27 that measures a distance between one upper spring receiver part 15 and the other spring receiver part 16 based on image data captured by the imaging apparatus 26.SELECTED DRAWING: Figure 6

A coke oven supporting plate mounting method is characterized by comprising the following steps: a, erecting a supporting bracket of a coke oven supporting plate, b, placing a wood springboard, c, placing the supporting plate according to a line, d, building an upper refractory masonry, and e, dismantling the bracket body and the supporting bracket after building of an oven top is completed. The coke oven supporting plate mounting method has the advantages that the scaffold is convenient to erect, the wood springboard supporting structure is simple, and the construction cost is low.

The utility model relates to a novel coke oven column which comprises an oven column body, and the bottom of the oven column body is fixedly connected with a coke oven bracket; the furnace column body comprises two wing plates and two webs, and the two webs are fixed between the two wing plates; the section of the furnace column body is a box-shaped section, and a box-shaped cavity is formed in the box-shaped section; a plurality of spring pressurizing devices are mounted on the furnace column body; the spring pressurizing device comprises a spring body and a jackscrew, and the spring body is horizontally arranged in the box-shaped cavity; the jackscrew is arranged at one end of the spring body; and one end, far away from the spring body, of the jackscrew penetrates through the wing plate and extends to the outer side. The furnace column body is provided with the box-shaped section, the overall section of the furnace column body has higher bending resistance under the same overall dimension, and the lasting stability of the furnace column body is guaranteed.

The utility model relates to a coke oven hearth plate sleeve control tool, which comprises a vertical rod (2), and is characterized in that the vertical rod (2) is round steel, the bottom end and the middle part of the vertical rod are respectively sleeved and fixed with an annular template (1, 3), so that the vertical rod is vertical to the plane of the annular template; a round steel plate (4) is horizontally and fixedly welded to the top end of the vertical rod, a cross-shaped round steel support is fixedly welded to the center of the upper surface of the round steel plate, and line pendants (6) are arranged at the top ends of two adjacent supporting rods (5) of the cross-shaped round steel support respectively. And when the vertical rod is inserted into the coke oven hearth plate sleeve, the circular steel plate (4) and the coke oven hearth plate sleeve are concentric. The coke oven hearth plate sleeve control tool has the advantages that the control tool is simple in structure and convenient to manufacture, the control over the perpendicularity of the sleeve is enhanced, the first-pass yield of the perpendicularity after installation is completed is improved, and the installation and inspection efficiency is improved.

The present invention relates to a buried and fixed structure and a burying method of a gas down-spray pipe in a coke oven foundation roof slab. The embedded casing is buried in the foundation roof slab, and the top of the expansion bolt extends out of the foundation roof slab and is connected to the fixed cross beam; the fixed cross beam is fixedly connected to the upper fixed frame, and a plurality of control round holes are formed in the upper fixed frame, and grouting holes are arranged outside the control round holes; after the upper fixed frame is fixed, the axis of the control round hole is coaxial with the axis of the embedded casing; a bottom formwork is arranged at the bottom of the foundation roof slab, and the lower fixing frame is fixedly connected to the bottom formwork; when burying the gas down-spray pipe, the lower end of the gas down-spray pipe sequentially passes through the control round holes on the upper fixed frame, the embedded casing, and the through holes on the bottom formwork and then extends to the set position, and the lower fixing frame is detachably fixedly connected to the lower part of the gas down-spray pipe. The present invention can realize the precise positioning and fixation during the post-burial of the gas down-spray pipe, and ensure that the installation position of the gas down-spray pipe meets the design requirements.

A kind of quick release tool of coke oven pre-buried sleeve fixing device, it includes support rod, it is characterized in that: the support rod is reinforcing bar, reinforcing bar is straight rod;One end of support rod is radially fixed welding a rectangular rib plate as breaking tool, and the middle of rectangular rib plate is provided with a 12mm wide gap;The other end of support rod is provided with operating handle;Wherein: quick release tool uses, only needs to shake handle by aligning gap to angle steel side plate and can quick release fixed wire rack.The quick release tool of coke oven pre-buried sleeve fixing device of the utility model has the advantages of simple tool structure, easy to make, save material, remove coke oven hearth sleeve fixing frame conveniently and quickly, improve work efficiency, save time and effort and shorten work time.

The utility model discloses a kind of dry quenching coke oven bracket reinforcement mechanism, it is related to dry quenching coke oven technical field.The utility model includes bracket body, bracket body is installed on external support frame, two arc-shaped support plates are installed in the bracket body circumferential surface, two arc-shaped support plates are combined to form support ring and are arranged in the bracket body circumferential surface, bracket body circumferential surface detachably installs steel frame support group, steel frame support group includes two arc-shaped limit plates, two arc-shaped limit plates are combined to form limit ring and are installed in the bracket body circumferential surface, the bottom of arc-shaped limit plate is installed with several oblique reinforcing rods, and oblique reinforcing rod and arc-shaped limit plate are connected by bolt.The utility model is through the assembly type design of arc-shaped support plate, arc-shaped limit plate and arc-shaped positioning plate three-layer ring structure, can be adapted to larger bracket body, and simultaneously through the dynamic adjustment of arc-shaped positioning plate by positioning screw rod, the applicability of support structure is improved.