CN113465386A - Furnace body steel structure stable in installation - Google Patents
Furnace body steel structure stable in installation Download PDFInfo
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- CN113465386A CN113465386A CN202110755824.XA CN202110755824A CN113465386A CN 113465386 A CN113465386 A CN 113465386A CN 202110755824 A CN202110755824 A CN 202110755824A CN 113465386 A CN113465386 A CN 113465386A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000009434 installation Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000005253 cladding Methods 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 22
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000000498 cooling water Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/14—Supports for linings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to the technical field of furnace body structures. The furnace body steel structure comprises a square cylindrical furnace body formed by combining four L-shaped furnace wall plates, four adjusting bases arranged at the corner parts of the lower end of the furnace body and a water cooling mechanism arranged on the outer side wall of the furnace body; the adjusting base comprises a bottom plate, and a U-shaped channel steel matched with the bottom supporting plate is arranged on the upper surface of the bottom plate in a reverse buckling mode; the U-shaped channel steel is welded with the bottom plate, connecting bolts are arranged at the positions, opposite to the first connecting holes, of the two ends of the U-shaped channel steel, two groups of positioning nuts are matched with the connecting bolts, the connecting bolts penetrate through the first connecting holes in the bottom supporting plate, and the bottom supporting plate is located between the two groups of positioning nuts; and strip-shaped second connecting holes are formed in the bottom plates on the two sides of the U-shaped channel steel and matched with the embedded screws. The invention can conveniently and rapidly adjust the levelness of the furnace body and has stable installation.
Description
Technical Field
The invention relates to the technical field of furnace body structures, in particular to a furnace body steel structure with stable installation.
Background
The heating furnace is different in heating mode, can be roughly divided into electric heating, combustion heating and the like, has wide application range, and is one of necessary heating devices for carrying out various high-temperature reactions. The traditional heating furnace generally comprises a furnace body and an inner lining arranged in the furnace body, wherein the furnace body is formed by forging and welding steel materials, and is generally assembled in a production workshop and then transported to a field for direct installation. The existing heating furnace mainly has the following problems in the practical application process:
firstly, in part of large-scale industrial application occasions, because the size of the heating furnace is larger, if the heating furnace is assembled in a production workshop and then transported to the site, because the total mass is large and the volume is large, a large amount of manpower and material resources are consumed in the mode; if the assembly type structure is adopted, the furnace body of the heating furnace bears high temperature for a long time, so that the high-temperature deformation risk is high, and the assembly reliability needs to be considered seriously;
secondly, in the installation process of the large-scale heating furnace, due to the fact that the weight is large, in order to guarantee the stability of the large-scale heating furnace, the base of the large-scale heating furnace is usually required to be fixed through the pre-buried bolts, the anchor rods and the like, however, the complete horizontality of the base cannot be guaranteed due to the influences of factors such as construction errors and basic levelness when the pre-buried bolts and the anchor rods are installed, the furnace body is inclined due to the deviation of the base, the center of gravity is deviated, and the like, so that the safety risk of the heating furnace is increased in the normal use process;
thirdly, the inside temperature of furnace of large-scale heating furnace is high, though can be through the certain heat conduction of the resistant firebrick separation of inside lining, the furnace body is in the higher state of a temperature generally, and it produces deformation easily, influences the stress performance of department such as welding seam, connecting piece, also can cause the increase of safety risk, production risk, how to cool down the furnace body through an effectual mode for this reason, also is a big problem that awaits the solution urgently.
Disclosure of Invention
The invention aims to provide a furnace body steel structure which is convenient to horizontally adjust and is stably installed.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a furnace body steel structure with stable installation comprises a square cylindrical furnace body formed by combining four L-shaped furnace wall plates, four adjusting bases arranged at the corner parts of the lower end of the furnace body and a water cooling mechanism arranged on the outer side wall of the furnace body;
an L-shaped bottom supporting plate extending along the inner side wall of the furnace wall plate is arranged on the inner side wall of the corner part at the lower end of the furnace wall plate, and two strip-shaped first connecting holes are respectively formed in two ends of the bottom supporting plate;
the adjusting base comprises a bottom plate, and a U-shaped channel steel matched with the bottom supporting plate is arranged on the upper surface of the bottom plate in a reverse buckling mode; the U-shaped channel steel is welded with the bottom plate, connecting bolts are arranged at the positions, opposite to the first connecting holes, of the two ends of the U-shaped channel steel, two groups of positioning nuts are matched with the connecting bolts, the connecting bolts penetrate through the first connecting holes in the bottom supporting plate, and the bottom supporting plate is located between the two groups of positioning nuts; and strip-shaped second connecting holes are formed in the bottom plates on two sides of the U-shaped channel steel, the second connecting holes are matched with the embedded screws, and the embedded screws penetrate through the second connecting holes and are locked with the bottom plates through fixing nuts.
Preferably, two and three second connecting holes are respectively formed in the bottom plates on the inner side and the outer side of the two ends of the U-shaped channel steel.
Preferably, the top surface of the U-shaped channel steel is provided with a through hole matched with the rod part of the connecting bolt, the rod part of the connecting bolt penetrates through the through hole from bottom to top, and the head part and the rod part of the connecting bolt are respectively welded with the U-shaped channel steel; and a pillow block is also arranged between the head of the connecting bolt and the bottom plate.
Preferably, a plurality of first reinforcing rib plates are arranged between the lower surface of the bottom supporting plate and the inner surface of the furnace wall plate.
Preferably, the lower end of the embedded screw is fixedly provided with a resisting disc.
Preferably, the blocking disc is provided with a plurality of communicating holes.
Preferably, each set of positioning nuts comprises two.
Preferably, the edges of two sides of the furnace wall plate are provided with folded edges, and the opposite folded edges of two adjacent furnace wall plates are overlapped inside and outside to form a V-shaped locking part; locking mechanisms are arranged at the locking parts of two adjacent furnace wall plates, and each locking mechanism comprises a cladding plate which is positioned at the outer side of the locking part and matched with the locking part, and a fillet which is arranged at the inner side of the locking part and has a trapezoidal section; a plurality of central fastening screws are uniformly arranged on the outer side surface of the insertion strip along the length direction of the insertion strip, central screw holes matched with the central fastening screws are correspondingly arranged on the folded edge of the adjacent furnace wall plate and the cladding plate, the central fastening screws penetrate through the central screw holes, and the outer ends of the central fastening screws are matched with central fastening nuts; the cladding plate, the folded edge and the embedded strip are locked through a central fastening screw rod and a central fastening nut.
Preferably, side fastening screws are arranged on the furnace wall plate opposite to the two side edges of the cladding plate, and side screw holes are arranged on the two side edges of the cladding plate; the side fastening screw rod penetrates through the side screw rod hole, and the outer end of the side fastening screw rod is provided with a side fastening nut; and the two sides of the cladding plate are locked with the furnace wall plate through side fastening screws and side fastening nuts.
Preferably, the central fastening screw and the side fastening screws are flexible screws, each flexible screw comprises an inner frame and a rod body sleeved outside the inner frame, and the inner frame comprises a top disc, a bottom disc and a plurality of connecting strips; the connecting strips are positioned between the top disc and the bottom disc and are uniformly distributed in an annular shape around the axes of the top disc and the bottom disc, and two ends of the connecting strips are respectively welded with the top disc and the bottom disc; a rod hole is formed in the center of the rod body and is sleeved outside the connecting strip through the rod hole; the upper end of the rod body is welded with the top disc and the upper end of the connecting strip, and the lower end of the rod body is welded with the lower end of the connecting strip; the central fastening nut and the side fastening nut are both T-shaped nuts, and a triangular rib plate is arranged between the upper surface of the lower section of each T-shaped nut and the outer side surface of the upper end of each T-shaped nut.
The beneficial effects of the invention are concentrated and expressed as follows: can conveniently and quickly adjust the levelness of the furnace body, and is stable to install. Specifically, a foundation pit is excavated on an installation foundation, and concrete pre-embedding treatment of pre-embedded screws is performed; and after the foundation concrete is completely and firmly dried, installing the bottom plate, and fixing the embedded screw rod penetrating through the second connecting hole on the bottom plate and the bottom plate by using the fixing nut. And then, after a group of positioning nuts on the lower layer on the connecting bolt is installed, the assembled furnace body is hoisted and moved to the adjusting base, so that the bottom support plate on the furnace wall plate is aligned with the U-shaped channel steel, the connecting bolt penetrates through the first connecting hole on the bottom support plate, and then the upper group of positioning nuts are installed on the connecting bolt. After the furnace body is installed in place, the positioning nuts on the connecting bolts are adjusted according to the horizontal requirement, and the positioning nuts are used for correcting and adjusting the overall levelness of the furnace body. By adopting the mode, the invention can realize the fine adjustment of the levelness of the furnace body, overcome the influence caused by insufficient basic levelness, correct the gravity center of the furnace body and improve the safety in the subsequent use process.
Drawings
FIG. 1 is a schematic structural view of a furnace body according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of a cross section of a water cooling tank;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is a schematic view of the structure of the flexible screw;
FIG. 6 is a schematic structural view of a T-nut;
FIG. 7 is a partial schematic structural view of the structure shown in FIG. 1, viewed from below;
FIG. 8 is a schematic top view of the adjustment base;
FIG. 9 is a schematic view of the adjusting base;
fig. 10 is a schematic structural view of a baffle plate.
Detailed Description
Referring to fig. 1-10, the heating furnace and its specific structure mainly includes a furnace body 0, the furnace body 1 is composed of four L-shaped furnace wall plates 1, and the whole body is in a square cylinder shape. The mode of its combination mainly can adopt the welding or utilize assembly locking mechanism to splice the locking, to small-size furnace body 1, because total volume and weight are limited, can select directly to transport furnace body 0 to the workshop to install after the factory building assembly. However, for the medium-and-large-sized furnace body 0, the furnace wall plate 1 and other accessories can be transported to the field for assembly in consideration of convenience of transportation, and in order to save labor hour consumed by welding and reduce welding processing errors, a locking mechanism is preferably selected for assembly, so that the field assembly efficiency is improved, and labor hour is saved.
The furnace body 1 is arranged on the adjusting base, the adjusting base is used for conveniently and quickly adjusting the levelness of the furnace body 0, the adjusting is certainly horizontal micro-adjusting of the furnace body 0, the adjusting is mainly used for correcting the integral gravity center of the furnace end 0 due to resonance pre-embedding errors and micro-level flatness errors caused by horizon errors, and therefore the safety of the furnace body 0 in the whole production process is improved. In addition, the invention also comprises a water cooling mechanism arranged on the outer side wall of the furnace body 0, wherein the water cooling mechanism is mainly used for controlling the temperature of the furnace body 0 and preventing the over-high temperature of the furnace body 0 so as to inhibit the high-temperature working condition of the peripheral side of the furnace body 0 to a certain extent, thereby not only improving the production environment, but also avoiding the high-temperature impact caused by various electronic accessories, valve accessories and the like which are arranged in a matching way on the furnace body 0 and improving the overall working condition.
From the concrete structure of the adjusting base, in order to cooperate with the use of the adjusting base, as shown in fig. 7, it can be seen from a bottom view that an L-shaped bottom support plate 2 extending along the inner side wall of the furnace wall plate 1 is arranged on the inner side wall of the corner portion of the lower end of the furnace wall plate 1, that is, the bottom support plate 2 extends along the transverse direction, the bending angle of the bottom support plate 2 along with the furnace wall plate 1, the bottom support plate 2 is directly welded on the furnace wall plate 1, a plurality of first rib plates 12 are arranged between the lower surface of the bottom support plate 2 and the inner surface of the furnace wall plate 1 to improve the structural stability of the bottom support plate 2 on the furnace wall plate 1, it is conceivable that a second rib plate can also be welded between the inner surface of the furnace wall plate 1 and the upper surface of the bottom support plate 2, and only one installation position of the first rib plates 12 is simply shown in the figure; in practical application, because bottom plate 2 needs to combine together with adjusting the base, so first deep floor board and second deep floor board can design according to actual demand, and it is suitable in order not to influence the combination of adjusting base and bottom plate 2, for example design the breach of stepping down with first deep floor board and the cooperation of second deep floor board on adjusting the base. The both ends of bottom plate 2 respectively are provided with the first connecting hole 3 of two bars, adjust the base and realize with bottom plate 2's locking in first connecting hole 3 department.
As shown in fig. 8, the adjusting base comprises a bottom plate 4, the bottom plate 4 can be L-shaped, triangle-like, etc., and the overall shape of the bottom plate 4 is triangle-like as shown in fig. 8. The upper surface of the bottom plate 4 is provided with a U-shaped channel steel 5 matched with the bottom support plate 2 in a reverse buckling manner, the U-shaped channel steel 5 is directly welded and fixed on the bottom plate 4, namely the U-shaped channel steel 5 is welded with the bottom plate 4, the positions of two ends of the U-shaped channel steel 5 opposite to the first connecting holes 3 are respectively provided with a connecting bolt 6, the connecting bolt 6 corresponds to the first connecting holes 3, in order to further ensure the stability of the fixing of the connecting bolt 6 on the U-shaped channel steel 5, as shown in figure 9, the top surface of the U-shaped channel steel 5 is provided with a through hole matched with the rod part of the connecting bolt 6, the rod part of the connecting bolt 6 passes through the through hole from bottom to top, the head part and the rod part of the connecting bolt 6 are respectively welded with the U-shaped channel steel 5, so that the welding combination area of the connecting bolt 6 and the U-shaped channel steel 5 can be improved, the fixing strength of the connecting bolt is improved, and a pillow block 11 is also arranged between the head part of the connecting bolt 6 and the bottom plate 4, the lower ends of the connecting bolts 6 are supported by the pillow blocks 11, so that the connecting bolts can be conveniently and dispersedly and stably transmitted to the bottom plate 4.
As shown in fig. 9, two sets of positioning nuts 7 are adapted to the connecting bolt 6, the positioning nuts 7 are used for locking the bottom plate 2, each set of positioning nuts 7 generally includes two, only one is shown in fig. 9 for simplifying the illustration, and the supporting and locking degree of the bottom plate 2 can be effectively ensured by the two positioning nuts 7. The connecting bolt 6 passes through the first connecting hole 3 on the bottom support plate 2, and the bottom support plate 2 is positioned between the two sets of positioning nuts 7. In addition, because the heating furnace is heavy equipment, the heating furnace does not need to move in a workshop generally, and in order to further improve the installation stability of the heating furnace, the heating furnace can be directly fixed with a ground installation foundation by adopting embedded bolts 9, anchor rods and the like, namely, the bottom plate 4 is directly fixed on the installation foundation. In order to realize fixation, as shown in fig. 8, strip-shaped second connection holes 8 are formed in the bottom plate 4 on two sides of the U-shaped channel steel 5, the second connection holes 8 are matched with embedded screws 9, and the embedded screws 9 penetrate through the second connection holes 8 and are locked with the bottom plate 4 through fixing nuts 10. The specific number of the second connecting holes 8 and the embedded screws 9 can be flexibly adjusted according to the volume and weight of the burner 0, and as shown in fig. 8, two and three second connecting holes 8 are respectively arranged on the bottom plates 4 at the inner side and the outer side of the two ends of the U-shaped channel steel 5.
Firstly, excavating a foundation pit on an installation foundation, and performing concrete pre-embedding treatment on a pre-embedded screw 9, namely, after the pre-embedded screw 9 is positioned and stabilized in the foundation pit, pouring concrete; in order to guarantee the bonding strength of embedded screw 9 and concrete, the fixed fender dish 13 that is provided with of lower extreme of embedded screw 9, form through fender dish 13 and concrete piece and pull, realize stable fixed, in order to avoid the fender dish 13 below concrete hollowing to appear, be provided with a plurality of intercommunicating pores 14 on the fender dish 13, intercommunicating pore 14 can be convenient for the concrete thick liquid and flow to fender dish 13 below.
After the foundation concrete is completely and firmly dried, the bottom plate 4 is installed, and the embedded screw 9 penetrating through the second connecting hole in the bottom plate and the bottom plate 4 are fixed well by the fixing nut 10. Next, after a set of positioning nuts 7 on the lower layer on the connecting bolt 6 is installed, the assembled furnace body is hoisted and moved to the adjusting base, so that the bottom support plate 2 on the furnace wall plate 1 is aligned with the U-shaped channel steel 5, the connecting bolt 6 penetrates through the first connecting hole 3 on the bottom support plate 2, and then the set of positioning nuts 7 on the upper layer are installed on the connecting bolt 6. After the furnace body is installed in place, the positioning nuts 7 on the connecting bolts 6 are adjusted according to the horizontal requirement, and the positioning nuts 7 are used for correcting and adjusting the overall levelness of the furnace body 0. By adopting the mode, the invention can realize the fine adjustment of the levelness of the furnace body 0, overcome the influence caused by insufficient basic levelness, correct the gravity center of the furnace body 0 and improve the safety in the subsequent use process.
With reference to figures 1, 2 and 4, which show a schematic view of the assembly of furnace walls 1 in a concentrated view, in the particular form of the assembly of the invention using a locking mechanism. As shown in fig. 4, the furnace wall panels 1 are provided with flanges 15 at both sides, and as a whole, the flanges 15 include an inclined section and a straight section, and the opposite flanges 15 of two adjacent furnace wall panels 1 are overlapped inside and outside to form a V-shaped locking part. That is, the flange 15 of one furnace wall panel 1 is positioned on the outside and the other is positioned on the inside, and when the two are spliced, a locking part with a cross section similar to a V shape is formed. And locking mechanisms are arranged at the locking parts of two adjacent furnace wall plates 1, and the locking parts are locked by the locking mechanisms.
As shown in fig. 4, the locking mechanism comprises a cladding plate 16 which is located on the outer side of the locking portion and matched with the locking portion, and is in a pi shape in cross section, and a fillet 17 which is arranged on the inner side of the locking portion and is in a trapezoid shape in cross section, the cladding plate 16 and the fillet 17 are used for clamping and locking the folded edge 15, and due to the fact that the cladding plate 16 is in the pi-shaped structure, after the cladding plate 16 is installed and fixed, transverse limiting of the two folded edges 15 can be effectively formed, the two folded edges 15 are prevented from moving transversely, and assembling stability is guaranteed. In the case of the furnace body 0 having a large weight, since each furnace wall plate 1 has a large weight, in order to achieve a higher strength of the longitudinal restriction, the surfaces of the folded edge 15 facing the folded edge 15 and the surfaces of the folded edge 15 facing the cladding plate 16 may be provided with the spline teeth extending in the transverse direction, which are engaged with each other. Through the meshing stress of the key teeth, the two connected furnace wall plates 1 are interacted, and the gliding deformation is avoided.
Regarding the specific connection mode between the insertion strip 17 and the cladding plate 16, a plurality of central fastening screws 18 are uniformly arranged on the outer side surface of the insertion strip 17 along the length direction of the insertion strip 17, central screw holes matched with the central fastening screws 18 are correspondingly arranged on the folded edge 15 of the adjacent furnace wall plate 1 and the cladding plate 16, the central fastening screws 18 are arranged in the central screw holes in a penetrating mode, and the outer ends of the central fastening screws are matched with central fastening nuts 19. The cladding plate 16, the folded edge 15 and the fillet 17 are locked through a central fastening screw 18 and a central fastening nut 19. As shown in fig. 1, the central tightening screw 18 and the central tightening nut 19 are provided in three groups, the specific number of which can be increased or decreased in case of satisfying the tightening demand. In order to further improve the connection strength, side fastening screws 21 are provided on the furnace wall plate 1 opposite to both sides of the cladding plate 16, and side screw holes are provided on both sides of the cladding plate 16. The side fastening screw 21 is inserted into the side screw hole, and the outer end is fitted with a side fastening nut 20. The two sides of the cladding plate 16 are locked with the furnace wall plate 1 through side fastening screws 21 and side fastening nuts 20.
The invention abandons the traditional workshop assembly and transportation mode and field welding assembly mode, adopts the locking mechanism to carry out combined assembly on the furnace wall plate 1, the furnace wall plate 1 and the furnace wall plate 1 are overlapped through the folded edge 15 to form a locking part, and then utilizes the cladding plate 16 and the insertion strip 17 to carry out internal and external clamping locking on the locking part, so that the overall stability after locking is improved, simultaneously, the condition of weak stress near a combined seam under the traditional combination mode is improved, and the assembly stability and the assembly efficiency of the furnace body are greatly improved. On this basis, the inner surfaces of the two side edges of the cladding plate 16 are provided with U-shaped clamping grooves extending along the length direction of the cladding plate 16, clamping strips 22 are welded on the furnace wall plate 1 opposite to the U-shaped clamping grooves in advance, the clamping strips 22 are matched with the U-shaped clamping grooves, and under the condition, the side fastening screws 21 can be arranged on the clamping strips 22.
Of course, the heating furnace of the present invention should include an inner lining layer in order to satisfy the requirements of temperature locking, heat insulation and fire resistance, except for the furnace body 0 whose outer layer is composed of the furnace wall plate 1, and the inner lining layer is usually a brick layer which can be built inside the furnace body 0 after the furnace body itself is assembled. For the purpose of masonry, as shown in a bottom view in fig. 7, the inner side wall of the furnace wall panel 1 near the lower end is provided with a lining retainer plate 28 extending in the lateral direction along the inner side wall of the furnace wall panel 1. The heat radiation reflecting layer 29 and the refractory brick building layer 30 are sequentially arranged on the inner side wall of the furnace body 0 above the lining supporting plate 28 from outside to inside, namely the lining layer comprises the heat radiation reflecting layer 29 and the refractory brick building layer 30 which are combined with each other to achieve better temperature locking and heat insulation effects. The center of the furnace body 0 is provided with a matched grate 31, the edge of the grate 31 is placed on the edge of the lining supporting plate 28, and the grate 31 is used as a main place for fuel combustion when in use.
Of course, although the inner lining layer is provided, it is impossible to completely isolate the heat from the outside, in other words, the furnace body 0 has a certain high temperature substantially, when the combustion temperature is high, because it has a certain thermal deformation, when the traditional fastening screw is used, because the flexibility of the fastening screw is not good, the bonding position of the furnace wall plate 1 of the furnace body 0 may be deformed, and the use is affected. In order to improve the situation, the fastening screw of the invention can adopt a flexible screw, and the fastening screw has certain flexibility on the basis of having enough strength and is used for buffering the high-temperature thermal deformation of the furnace body 0.
As shown in fig. 5, the central fastening screw 18 and the side fastening screws 21 are flexible screws, each of the flexible screws includes an inner frame and a rod body 23 sleeved outside the inner frame, and the inner frame includes a top plate 24, a bottom plate 25 and a plurality of connecting bars 26. The connecting strips 26 are located between the top disc 24 and the bottom disc 25 and are uniformly distributed in an annular shape around the axes of the top disc 24 and the bottom disc 25, two ends of the connecting strips 26 are respectively welded with the top disc 24 and the bottom disc 25, the number of the connecting strips 26 is only four, actually, the number of the connecting strips can be more, so that the connecting strips can have enough strength, and high-temperature-resistant elastic filler can be filled between the connecting strips 26 to further improve the strength of the connecting strips. The center of the rod body 23 is provided with a rod hole, the rod hole is sleeved outside the connecting strip 26, and the outer surface of the rod body is provided with threads. The upper end of the rod body 23 is welded with the upper ends of the top disc 24 and the connecting strip 26, and the lower end of the rod body 23 is welded with the lower end of the connecting strip 26. In a matched manner, as shown in fig. 6, the central fastening nut 19 and the side fastening nut 20 are both T-shaped nuts, and a triangular rib plate 27 is arranged between the upper surface of the lower section and the outer side surface of the upper end of the T-shaped nut. After adopting the form, when the thermal deformation occurs, although the shearing force applied to the rod body 23 of the flexible bolt is larger, the flexible bolt can release the deformation stress received by the flexible bolt through the deformation of the connecting strip 26 to a certain degree, thereby preventing the flexible bolt from being broken and ensuring the effectiveness and the stability of the connection.
Compared with the traditional heating furnace, the water cooling mechanism has the advantages that the effect of cooling the furnace body 0 is realized through a very simple water cooling form, the thermal deformation of the furnace body 0 is ensured to be in a controllable range, and the peripheral high-temperature working condition is improved. Specifically, as shown in fig. 1, the water cooling mechanism includes a plurality of water cooling grooves 32 extending in the transverse direction and disposed on the outer side wall of the furnace wall plate 1, and the water cooling grooves 32 may be formed by welding L-shaped steel directly to the furnace wall plate 1, and not only serve as water cooling channels, but also function as reinforcing ribs, thereby improving the structural strength and stability of the furnace wall plate 1 and reducing the deformation risk thereof. In order to improve the connection strength between the water cooling tank 32 and the furnace wall plate 1, a triangular tank reinforcing rib plate 37 is arranged between the lower surface of the water cooling tank 32 and the outer side wall of the furnace wall plate 1.
Two ends in the water cooling tank 32 are provided with overflow short pipes 33, and the upper ends of the overflow short pipes 33 are lower than the tank wall of the water cooling tank 32. Through the design of the overflow short pipe 33, after the upper-layer water cooling tank 32 reaches the rated water level, redundant cooling water can flow to the lower-layer water cooling tank 32 through the overflow short pipe 33, and the operability of water replenishing is improved. Of course, a water injection assembly for adding cooling water into the water cooling tank 32 and a detection assembly for detecting the water level in the water cooling tank 32 are also included.
As mentioned above, due to the existence of the remaining short pipe 33, the cooling water in the upper water-cooling tank 32 can be sequentially supplied to the lower water-cooling tank 32, so the water injection assembly of the present invention generally includes only a water injection pipe for injecting cooling water into the uppermost water-cooling tank 32 and a water injection pump for pumping cooling water into the water injection pipe, the water injection pump is electrically connected to the water supply controller, and the present invention realizes automatic control of the water injection pump through the water supply controller in combination with the detection of the detection assembly. As shown in fig. 3, the detection assembly includes a pair of sensing electrodes 36 symmetrically disposed on the two side walls of the water cooling tank 32, the sensing electrodes 36 are electrically connected to the detector, and the detector is electrically connected to the water replenishing controller. When the water level in the water cooling tanks 32 reaches, the two induction electrodes 36 are conducted, the detector detects water level signals in all the water cooling tanks 32, when the water level in all the water cooling tanks 32 reaches the standard, the water injection pump stops running, otherwise, the water supplement controller controls the water injection pump to continuously pump water.
According to the invention, the water injection assembly injects cooling water into the water cooling tank 32, and the cooling water is heated and evaporated in the working process of the heating furnace, so that the high temperature on the furnace body 0 can be absorbed, the temperature of the furnace body 0 is kept in a certain range, and the over-high temperature of the furnace body is prevented. The water cooling tank 32 also plays the effect of horizontal strengthening rib simultaneously, improves the structural strength of furnace body self to a certain extent, and along with the reduction of furnace body temperature, the overall high temperature operating mode in the peripheral workshop of furnace body is alleviated, is convenient for arrange and install other intelligent circuit equipment.
Of course, the water cooling grooves 32 on the furnace wall plate 1 of the invention are used as transverse reinforcing ribs, so that no reinforcing transverse rib is needed to be arranged independently, but a plurality of vertical reinforcing longitudinal ribs 34 can be arranged on the outer side wall of the furnace wall plate 1 according to requirements, and the reinforcing longitudinal ribs 34 are staggered with the water cooling grooves 32. In order to avoid the influence of the reinforcing longitudinal ribs 34 on the cooling water flowing of the water cooling grooves 32, water through holes 35 penetrating through the water cooling grooves 32 on two sides of the reinforcing longitudinal ribs 34 are further formed in the reinforcing longitudinal ribs 34.
Claims (10)
1. The utility model provides a furnace body steel construction that installation is stable which characterized in that: the furnace comprises a square-tube-shaped furnace body (0) formed by combining four L-shaped furnace wall plates (1), four adjusting bases arranged at the corner parts of the lower end of the furnace body (0) and a water cooling mechanism arranged on the outer side wall of the furnace body (0);
an L-shaped bottom supporting plate (2) extending along the inner side wall of the furnace wall plate (1) is arranged on the inner side wall of the corner part at the lower end of the furnace wall plate (1), and two strip-shaped first connecting holes (3) are respectively arranged at two ends of the bottom supporting plate (2);
the adjusting base comprises a bottom plate (4), and a U-shaped channel steel (5) matched with the bottom supporting plate (2) is arranged on the upper surface of the bottom plate (4) in a reverse buckling mode; the U-shaped channel steel (5) is welded with the bottom plate (4), connecting bolts (6) are arranged at positions, opposite to the first connecting holes (3), of two ends of the U-shaped channel steel (5), two groups of positioning nuts (7) are matched with the connecting bolts (6), the connecting bolts (6) penetrate through the first connecting holes (3) in the bottom supporting plate (2), and the bottom supporting plate (2) is located between the two groups of positioning nuts (7); the U-shaped channel steel is characterized in that strip-shaped second connecting holes (8) are formed in the bottom plates (4) on two sides of the U-shaped channel steel (5), the second connecting holes (8) are matched with the embedded screws (9), and the embedded screws (9) penetrate through the second connecting holes (8) and are locked with the bottom plates (4) through fixing nuts (10).
2. The furnace steel structure with stable installation according to claim 1, wherein: two and three second connecting holes (8) are respectively arranged on the inner sides of the two ends of the U-shaped channel steel (5) and the bottom plate (4) on the outer side of the U-shaped channel steel.
3. The furnace steel structure with stable installation according to claim 2, wherein: the top surface of the U-shaped channel steel (5) is provided with a through hole matched with the rod part of the connecting bolt (6), the rod part of the connecting bolt (6) penetrates through the through hole from bottom to top, and the head part and the rod part of the connecting bolt (6) are respectively welded with the U-shaped channel steel (5); a pillow block (11) is also arranged between the head of the connecting bolt (6) and the bottom plate (4).
4. The furnace steel structure with stable installation according to claim 3, wherein: a plurality of first reinforcing rib plates (12) are arranged between the lower surface of the bottom supporting plate (2) and the inner surface of the furnace wall plate (1).
5. The furnace steel structure with stable installation according to claim 4, wherein: and a resisting disc (13) is fixedly arranged at the lower end of the embedded screw (9).
6. The furnace steel structure with stable installation according to claim 5, wherein: the blocking disc (13) is provided with a plurality of communicating holes (14).
7. The furnace steel structure with stable installation according to claim 6, wherein: each set of positioning nuts (7) comprises two.
8. The furnace steel structure with stable installation according to claim 7, wherein: the edge of each of two sides of each furnace wall plate (1) is provided with a folded edge (15), and the folded edges (15) opposite to each other of the two adjacent furnace wall plates (1) are overlapped inside and outside to form a V-shaped locking part; locking mechanisms are arranged at the locking parts of two adjacent furnace wall plates (1), and each locking mechanism comprises a cladding plate (16) which is positioned at the outer side of each locking part and matched with the locking part and has a pi-shaped cross section and a fillet (17) which is arranged at the inner side of each locking part and has a trapezoidal cross section; a plurality of central fastening screws (18) are uniformly arranged on the outer side surface of the insertion strip (17) along the length direction of the insertion strip (17), central screw holes matched with the central fastening screws (18) are correspondingly arranged on the folded edge (15) of the adjacent furnace wall plate (1) and the cladding plate (16), the central fastening screws (18) penetrate through the central screw holes, and the outer ends of the central fastening screws are matched with central fastening nuts (19); the cladding plate (16), the folded edge (15) and the fillet (17) are locked through a central fastening screw rod (18) and a central fastening nut (19).
9. The furnace steel structure with stable installation according to claim 8, wherein: side fastening screws (21) are arranged on the furnace wall plate (1) opposite to the two side edges of the cladding plate (16), and side screw holes are arranged on the two side edges of the cladding plate (16); the side fastening screw rod (21) is arranged in the side screw rod hole in a penetrating way, and the outer end of the side fastening screw rod is provided with a side fastening nut (20) in a matching way; the two sides of the cladding plate (16) are locked with the furnace wall plate (1) through side fastening screws (21) and side fastening nuts (20).
10. The furnace steel structure with stable installation according to claim 9, wherein: the central fastening screw (18) and the side fastening screws (21) are flexible screws, each flexible screw comprises an inner frame and a rod body (23) sleeved outside the inner frame, and the inner frame comprises a top disc (24), a bottom disc (25) and a plurality of connecting strips (26); the connecting strips (26) are positioned between the top disc (24) and the bottom disc (25) and are uniformly distributed around the axes of the top disc (24) and the bottom disc (25) in an annular shape, and two ends of the connecting strips (26) are respectively welded with the top disc (24) and the bottom disc (25); a rod hole is formed in the center of the rod body (23), and the rod hole is sleeved outside the connecting strip (26); the upper end of the rod body (23) is welded with the top disc (24) and the upper end of the connecting strip (26), and the lower end of the rod body (23) is welded with the lower end of the connecting strip (26); the central fastening nut (19) and the side fastening nut (20) are both T-shaped nuts, and a triangular rib plate (27) is arranged between the upper surface of the lower section of each T-shaped nut and the outer side surface of the upper end of each T-shaped nut.
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| CN202110755824.XA CN113465386B (en) | 2021-07-05 | 2021-07-05 | Furnace body steel structure with stable installation |
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| CN213124753U (en) * | 2020-09-02 | 2021-05-04 | 浙江电力建设工程咨询有限公司 | Adjustment mechanism for installation of grounding module |
| CN213297008U (en) * | 2020-04-16 | 2021-05-28 | 沈阳港华建设集团股份有限公司 | Wood balk system capable of being supported by flat ground feet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210216479U (en) * | 2019-05-15 | 2020-03-31 | 广西建工集团第二建筑工程有限责任公司 | Positioning device for pre-embedding large foundation bolt group |
| CN210153473U (en) * | 2019-06-20 | 2020-03-17 | 天长市远安机械有限公司 | Mounting structure of negative pressure pump |
| CN211369383U (en) * | 2019-11-08 | 2020-08-28 | 江苏长虹智能装备股份有限公司 | A swift formula ground structure of making level for paint spray booth |
| CN213297008U (en) * | 2020-04-16 | 2021-05-28 | 沈阳港华建设集团股份有限公司 | Wood balk system capable of being supported by flat ground feet |
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| CN213124753U (en) * | 2020-09-02 | 2021-05-04 | 浙江电力建设工程咨询有限公司 | Adjustment mechanism for installation of grounding module |
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| CN113465386B (en) | 2023-05-16 |
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Effective date of registration: 20230424 Address after: 233000 Huaiyuan Economic Development Zone, Bengbu City, Anhui Province Applicant after: ANHUI XINGYONG ELECTROMECHANICAL EQUIPMENT CO.,LTD. Address before: 312000 Industrial Agglomeration Area of Sanjie Town, Shengzhou City, Shaoxing City, Zhejiang Province Applicant before: Shengzhou Yinkang Machinery Co.,Ltd. |
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Denomination of invention: A stable installation of furnace body steel structure Granted publication date: 20230516 Pledgee: Agricultural Bank of China Huaiyuan County Branch Pledgor: ANHUI XINGYONG ELECTROMECHANICAL EQUIPMENT CO.,LTD. Registration number: Y2024980008198 |
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