阅读说明：本技术 一种圆筒储罐用蜂窝浮盘系统 (Honeycomb floating disc system for cylindrical storage tank ) 是由 吴协飞 于 2019-11-18 设计创作，主要内容包括：本发明涉及一种圆筒储罐用蜂窝浮盘系统,包括浮盘本体及边缘板密封机构,所述浮盘本体的外围边缘设有所述边缘板密封机构,目前使用不锈钢304-不锈钢301,可防腐,增加弹性磨料,可达维氏硬度350-500,可针对不同管体、不同强度的使用。(The invention relates to a honeycomb floating disc system for a cylindrical storage tank, which comprises a floating disc body and an edge plate sealing mechanism, wherein the edge plate sealing mechanism is arranged on the peripheral edge of the floating disc body, and the stainless steel 304-stainless steel 301 is used at present, so that the honeycomb floating disc system can prevent corrosion, increase elastic abrasive materials, and can reach the Vickers hardness of 350-500, and can be used for different pipe bodies and different strengths.)

1. A honeycomb floating disc system for a cylindrical storage tank is characterized by comprising a floating disc body and an edge plate sealing mechanism, wherein the edge plate sealing mechanism is arranged on the peripheral edge of the floating disc body;

edge board sealing mechanism includes edge board connecting plate, stainless steel elasticity closing plate, stainless steel high elasticity backup pad, first polytetrafluoroethylene fiber lamina membranacea and second polytetrafluoroethylene fiber lamina membranacea, the edge board connecting plate is fixed the outside of edge board, the outside of edge board connecting plate is equipped with first polytetrafluoroethylene fiber lamina membranacea, the edge board reaches the upper end from the bottom up of edge board connecting plate is fixed with in proper order second polytetrafluoroethylene fiber lamina membranacea stainless steel high elasticity backup pad stainless steel elasticity closing plate all is the arc structure of downwarping, drum storage tank inner wall is hugged closely in the lower extreme outside of stainless steel elasticity closing plate.

2. The cellular floating floor system for a cylindrical storage tank of claim 1, wherein the floating floor body comprises a frame consisting of a plurality of main beams, a plurality of auxiliary beams vertically connected with the main beams, an edge plate surrounding the outer edge of the frame and an arc-shaped angle steel trim strip, and the main beams, the auxiliary beams and the edge plate form a plurality of installation spaces; a honeycomb box mechanism is arranged in the installation space and comprises a hollow box-shaped shell, a honeycomb core arranged in the shell and a cover plate covering the honeycomb core, the shell comprises two short side plates, two long side plates and a bottom plate, the two short side plates are provided with joint plates extending outwards, the joint plates are fixedly connected with the main beam, and the height of the long side plates is higher than that of the short side plates; the horizontal edge of the arc-shaped angle steel pressing strip is fixed to the upper portion of the peripheral edge of the honeycomb box mechanism, the vertical edge of the arc-shaped angle steel pressing strip is fixed to the edge plate, and the lower end of the edge plate is fixed to the outer side of the peripheral edge of the honeycomb box mechanism.

3. The cellular floating plate system for the cylindrical storage tank, as claimed in claim 1, wherein a wing sheath is provided between two said cellular box mechanisms, said wing sheath has a cross section of "n" shape, and said wing sheath is fitted over two closely attached upper ends of said long side plates.

4. The cellular floating plate system for the cylindrical storage tank, according to claim 1, wherein the main beam comprises a T-shaped supporting portion, a square supporting portion arranged at the lower portion of the T-shaped supporting portion, and first bolt mounting portions arranged at two sides of the square supporting portion, wherein a horizontal reinforcing plate is arranged in the T-shaped supporting portion, and the first bolt mounting portions are provided with T-shaped grooves for placing T-shaped bolts.

5. The cellular floating floor system for a cylindrical storage tank, according to claim 1, wherein the secondary beam comprises a vertical support plate and a second bolt mounting part located at the lower part of the support plate, and a T-shaped groove for placing a T-shaped bolt is formed at the lower part of the second bolt mounting part.

6. The cellular floating floor system for a cylindrical tank of claim 1, wherein said edge plate sealing mechanism further comprises a stainless steel membrane supporting spring inside said second ptfe sheet, the upper end of said stainless steel membrane supporting spring being fixed to said edge plate.

7. The cellular floating disc system for a cylindrical storage tank of claim 6, wherein the lower end of the stainless steel elastic sealing plate is provided with an upward bent folded edge, and the lower ends of the stainless steel high-elasticity supporting plate, the second polytetrafluoroethylene fiber membrane plate and the stainless steel membrane supporting elastic sheet are all positioned in the folded edge.

8. The cellular floating disc system for the cylindrical storage tank, according to claim 1, wherein a manhole is further arranged on the floating disc body, a manhole door with a cover capable of being lifted is arranged on the manhole, a cellular box plugging device matched with the manhole in size can be placed in the manhole, and the bottom of the cellular box plugging device is immersed in the liquid level in the storage tank.

9. The cellular floating disc system for the cylindrical storage tank of claim 1, wherein the floating disc body is further provided with a roller guide device and a vertical pipe through hole, the roller guide device comprises a roller fixing plate provided with a round hole in the middle and a plurality of roller mechanisms uniformly distributed around the round hole, and the round hole is matched with the vertical pipe through hole in position.

10. The cellular floating floor system for a cylindrical storage tank of claim 1, wherein the floating floor body comprises a frame consisting of a plurality of main beams, a plurality of auxiliary beams vertically connected with the main beams, an edge plate surrounding the outer edge of the frame and an arc-shaped angle steel trim strip, and the main beams, the auxiliary beams and the edge plate form a plurality of installation spaces; a honeycomb box mechanism is arranged in the installation space and comprises a hollow box-shaped shell, a honeycomb core arranged in the shell and a cover plate covering the honeycomb core, the shell comprises two short side plates, two long side plates and a bottom plate, the two short side plates are provided with joint plates extending outwards, the joint plates are fixedly connected with the main beam, and the height of the long side plates is higher than that of the short side plates; the horizontal edge of the arc-shaped angle steel pressing strip is fixed to the upper portion of the peripheral edge of the honeycomb box mechanism, the vertical edge of the arc-shaped angle steel pressing strip is fixed to the edge plate, and the lower end of the edge plate is fixed to the outer side of the peripheral edge of the honeycomb box mechanism.

Technical Field

The invention relates to the field of sealing of cylindrical storage tanks, in particular to a honeycomb floating disc system for a cylindrical storage tank.

Background

In the field of petroleum, petrochemical and chemical storage technical equipment, in order to reduce volatilization of a liquid storage in a storage tank, a floating disc is arranged on the surface of the liquid storage in the storage tank, so that the floating disc can lift along with the change of the liquid level in the storage tank, the contact between the liquid storage in the storage tank and the atmosphere is limited, and the purposes of energy conservation and emission reduction are achieved.

At present, most of vertical cylindrical storage tanks adopt a floating cylinder type inner floating roof and are matched with a peripheral bag type seal, and because the skin at the top of the floating cylinder type floating plate has a space more than 100mm from the liquid level, the oil gas volatilization cannot be avoided, the sealing effect is not ideal, and potential safety hazards exist.

A steel floating disc is further used on a domestic vertical cylindrical storage tank, the steel floating disc is commonly called as an iron floating cabin, and the completely-connected liquid of the floating cabin is not volatilized in the cabin surface, so that the steel floating disc is firm and safe, but the steel floating disc has the defects of large weight, corrosion resistance, difficulty in maintenance, high maintenance cost, easiness in causing environmental pollution in maintenance and the like, and the hidden danger of leakage also exists in edge sealing.

Disclosure of Invention

In view of the current situation of the prior art, the present invention provides a honeycomb floating plate system for a cylindrical tank, which has a good sealing effect, a long service life, and a low maintenance cost.

The technical scheme adopted by the invention for solving the technical problems is as follows: a honeycomb floating disc system for a cylindrical storage tank comprises a floating disc body and an edge plate sealing mechanism, wherein the edge plate sealing mechanism is arranged on the peripheral edge of the floating disc body;

the floating disc body comprises a frame consisting of a plurality of main beams, a plurality of auxiliary beams vertically connected with the main beams, edge plates surrounding the edge of the outer ring of the frame and arc-shaped angle steel pressing strips, and the main beams, the auxiliary beams and the edge plates form a plurality of installation spaces; a honeycomb box mechanism is arranged in the installation space and comprises a hollow box-shaped shell, a honeycomb core arranged in the shell and a cover plate covering the honeycomb core, the shell comprises two short side plates, two long side plates and a bottom plate, the two short side plates are provided with joint plates extending outwards, the joint plates are fixedly connected with the main beam, and the height of the long side plates is higher than that of the short side plates; the horizontal edge of the arc-shaped angle steel pressing strip is fixed on the upper part of the peripheral edge of the honeycomb box mechanism, the vertical edge of the arc-shaped angle steel pressing strip is fixed on the edge plate, and the lower end of the edge plate is fixed on the outer side of the peripheral edge of the honeycomb box mechanism;

edge board sealing mechanism includes edge board connecting plate, stainless steel elasticity closing plate, stainless steel high elasticity backup pad, first polytetrafluoroethylene fiber lamina membranacea and second polytetrafluoroethylene fiber lamina membranacea, the edge board connecting plate is fixed the outside of edge board, the outside of edge board connecting plate is equipped with first polytetrafluoroethylene fiber lamina membranacea, the edge board reaches the upper end from the bottom up of edge board connecting plate is fixed with in proper order second polytetrafluoroethylene fiber lamina membranacea stainless steel high elasticity backup pad stainless steel elasticity closing plate all is the arc structure of downwarping, drum storage tank inner wall is hugged closely in the lower extreme outside of stainless steel elasticity closing plate.

In one embodiment, a side wing sheath is arranged between the two honeycomb box mechanisms, the section of the side wing sheath is n-shaped, and the side wing sheath is sleeved at the upper ends of the two close-fitting long side plates.

In one embodiment, the main beam comprises a T-shaped supporting portion, a square supporting portion arranged on the lower portion of the T-shaped supporting portion, and first bolt installation portions arranged on two sides of the square supporting portion, wherein a horizontal reinforcing plate is arranged in the T-shaped supporting portion, and T-shaped grooves for placing T-shaped bolts are formed in the first bolt installation portions.

In one embodiment, the secondary beam comprises a vertical supporting plate and a second bolt mounting portion located on the lower portion of the supporting plate, and a T-shaped groove for placing a T-shaped bolt is formed in the lower portion of the second bolt mounting portion.

In one embodiment, the edge plate sealing mechanism further comprises a stainless steel membrane supporting elastic sheet located inside the second ptfe fiber membrane plate, and the upper end of the stainless steel membrane supporting elastic sheet is also fixed on the edge plate.

In one embodiment, the lower end of the stainless steel elastic sealing plate is provided with a folded edge which is bent upwards, and the lower ends of the stainless steel high-elasticity supporting plate, the second polytetrafluoroethylene fiber membrane plate and the stainless steel membrane supporting elastic sheet are all positioned in the folded edge.

In one embodiment, a manhole is further arranged on the floating disc body, a manhole door capable of being opened is arranged on the manhole, a honeycomb box plugging device matched with the manhole in size can be placed in the manhole, and the bottom of the honeycomb box plugging device is immersed in the liquid level in the storage tank.

In one embodiment, the floating disc body is further provided with a roller guide device and a vertical pipe through hole, the roller guide device comprises a roller fixing plate with a round hole in the middle and a plurality of roller mechanisms uniformly distributed around the round hole, and the round hole is matched with the vertical pipe through hole in position.

According to the honeycomb floating disc system for the cylindrical storage tank, the honeycomb box mechanism is arranged on the floating disc body and is fixedly connected through the main beam and the auxiliary beam, so that the whole floating disc body is lighter in weight, can float on the upper part of liquid in the storage tank, is not easy to sink, and is longer in service life; in addition, because the edge is provided with the edge plate sealing mechanism and the stainless steel high-elasticity supporting plate, the stainless steel high-elasticity supporting plate can further provide supplementary elasticity for the stainless steel elastic sealing plate, the stainless steel elastic sealing plate can be tightly attached to the inner wall of the storage tank, the edge of the inner wall of the storage tank can be completely sealed, no gas phase space exists, oil gas volatilization can be greatly reduced, the sealing compensation amount is large, and the corrosion resistance of the edge plate sealing mechanism can be improved due to the arrangement of the second polytetrafluoroethylene fiber membrane.

Drawings

FIG. 1 is a schematic view of a cylindrical tank with a honeycomb floating floor system of the present invention installed in the tank;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a front view of the honeycomb case mechanism of the present invention;

FIG. 4 is a side cross-sectional view of the honeycomb case mechanism of the present invention;

FIG. 5 is a schematic view of the junction of two honeycomb box mechanisms of the present invention;

FIG. 6 is a sectional view showing a connecting structure of a honeycomb case mechanism and a main beam in the present invention;

FIG. 7 is a sectional view showing a connection structure of a honeycomb case mechanism and a sub-beam in the present invention;

FIG. 8 is a front view of the float body;

figure 9 is a schematic view of the manhole structure of the present invention;

fig. 10 is a schematic structural view of the roller guide device of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.

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 the described embodiments are only a part of the embodiments of the present invention, but 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.

Referring to fig. 1 to 4, a honeycomb floating plate system for a cylindrical tank includes a floating plate body 1 and an edge plate sealing mechanism 2, wherein the edge plate sealing mechanism 2 is disposed at the peripheral edge of the floating plate body 1;

the floating disc body 1 comprises a frame consisting of a plurality of main beams 11, a plurality of auxiliary beams 12 vertically connected with the main beams 11, edge plates 13 surrounding the edges of the outer rings of the frame and arc-shaped angle steel battens 14, wherein the main beams 11, the auxiliary beams 12 and the edge plates 13 form a plurality of installation spaces; a honeycomb box mechanism 15 is arranged in the installation space, the honeycomb box mechanism 15 comprises a hollow box-shaped shell 151, a honeycomb core 152 arranged in the shell 151 and a cover plate 153 covering the honeycomb core 152, the shell 151 comprises two short side plates 151a, two long side plates 151b and a bottom plate 151c, the two short side plates 151a are respectively provided with a joint plate 151d extending outwards, the joint plates 151d are fixedly connected with the main beam 11, the height of the long side plates 151b is higher than that of the short side plates 151a, and the upper surface of the cover plate 153 is flush with the upper parts of the short side plates 151 a; the horizontal edge of the arc-shaped angle steel pressing strip 14 is fixed on the upper part of the peripheral edge of the honeycomb box mechanism 15, the vertical edge of the arc-shaped angle steel pressing strip 14 is fixed on the edge plate 13, and the lower end of the edge plate 13 is fixed on the outer side of the peripheral edge of the honeycomb box mechanism 15. The contact position of the cover plate 153 and the long side plate 151b is provided with a side cover plate 153a which is vertically upward so as to ensure that the cover plate 153 is in full sealing contact with the short side plate 151a and the long side plate 151b, so that the whole honeycomb box mechanism 15 is in a bent sealing arrangement. In the installation process, the adhesive in the yellow book is coated on the inner wall of the shell 151, the upper part and the lower part of the honeycomb core 152 and the inner wall of the cover plate 153, and after the shell 151, the honeycomb core 152 and the cover plate 153 are bonded and installed, the shell 151, the honeycomb core 152 and the cover plate 153 are pressed and bonded into a closed whole through hot pressing, cold pressing or vacuum forming, so that the standard honeycomb box mechanism 15 is formed.

Referring to fig. 5, a wing sheath 3 is disposed between the two honeycomb box mechanisms 15, the wing sheath 3 has an "n" shape in cross section, and the wing sheath 3 is sleeved on the upper ends of the two closely attached long side plates 151 b. When the two honeycomb box mechanisms 15 are installed and connected, the two adjacent long side plates 151b are tightly attached, the sealing strips 4 are arranged at the tightly attached parts of the two long side plates 151b, the wing sheaths 3 are sleeved on the upper parts of the two long side plates 151b, and the wing sheaths 3 and the upper parts of the two long side plates 151b are fixedly connected through bolts, so that the connection of the two honeycomb box mechanisms 15 is realized. Since the long side plates 151b of the two honeycomb case mechanisms 15 are deformed during bolt fastening and leak points are also formed, in the present invention, the wing sheaths 3 are provided, so that leakage during connection of the two honeycomb case mechanisms 15 can be prevented, and the sealing performance of the floating plate body 1 can be improved.

Referring to fig. 6 to 7, the main beam 11 includes a T-shaped supporting portion 111, a square supporting portion 112 disposed at a lower portion of the T-shaped supporting portion 111, and first bolt mounting portions 113 disposed at two sides of the square supporting portion 112, wherein a horizontal reinforcing plate 114 is disposed in the T-shaped supporting portion 111, and the first bolt mounting portions 113 are disposed with T-shaped grooves 115 for placing T-shaped bolts. The girder connecting plates can be inserted into the groove positions on the two sides of the T-shaped supporting part 111 of the girder 11, and the two girders 11 are connected through the girder connecting plates, so that the girder 11 is effectively prolonged, and meanwhile, the connection and fixation with the honeycomb box mechanism 15 are not influenced. The upper portion of the first bolt mounting portion 113 is fixed in contact with the bottom of the honeycomb case mechanism 15.

The secondary beam 12 comprises a vertical support plate 121 and a second bolt mounting portion 122 located at the lower portion of the support plate 121, and a T-shaped groove 115 for placing a T-shaped bolt is formed in the lower portion of the second bolt mounting portion 122. Because the lower parts of the main beam 11 and the auxiliary beam 12 are both provided with the T-shaped grooves 115, the connection and the fixation can be carried out through T-shaped bolts, the bottom of the honeycomb box mechanism 15 does not need to be drilled and fixed through bolts, and only the T-shaped grooves 115 are connected with other components through T-shaped bolts. The main beam 11 is fixed with a support leg base 116 through a T-shaped bolt, so that more reliable support is provided for the floating disc body 1 in an installation state and when liquid is not placed.

Referring to fig. 8 to 9, a manhole 16 is further disposed on the floating plate body 1, a manhole door 161 capable of being opened is disposed on the manhole 16, a honeycomb box plugging device 162 having a size matched with that of the manhole 16 can be placed in the manhole door 161, and the bottom of the honeycomb box plugging device 162 is immersed in the liquid level in the storage tank. Because the honeycomb box plugging device 162 is arranged and the sealing strips are arranged on the peripheral sides of the plugging device 162 under wind, the honeycomb box plugging device 162 can be tightly matched with the inner periphery of the manhole 16, the gas phase space in the manhole 16 is eliminated, and the sealing effect of the whole honeycomb floating disc system is improved.

Referring to fig. 10, the floating plate body 1 is further provided with a roller guide device 17 and a vertical pipe through hole (not shown), the roller guide device 17 includes a roller fixing plate 172 provided with a circular hole 171 in the middle and a plurality of roller mechanisms 173 uniformly distributed around the circular hole, and the circular hole 171 matches with the vertical pipe through hole. The roller mechanism 173 includes two roller holders 173a and a roller 173b between the two roller holders 173 a. Because the roller guide device 17 is arranged on the floating disc body 1, when in use, the vertical pipe passes through the floating disc body 1 through the vertical pipe through hole, the vertical pipe 18 can be prevented from scratching the floating disc body 1 in the lifting process, the vertical pipe 18 can also be prevented from inclining when passing through the floating disc body 1, the positioning effect is achieved, and a group of anti-rotation stainless steel wire ropes can be replaced.

Referring to fig. 1-2, the edge plate sealing mechanism 2 includes an edge plate connecting plate 21, a stainless elastic sealing plate 22, a stainless elastic supporting plate 23, a first teflon fiber membrane plate 24 and a second teflon fiber membrane plate 25, the edge plate connecting plate 21 is fixed on the outer side of the edge plate 13, the first teflon fiber membrane plate 24 is disposed on the outer side of the edge plate connecting plate 21, the second teflon fiber membrane plate 25, the stainless elastic supporting plate 23 and the stainless elastic sealing plate 22 are sequentially fixed on the upper ends of the edge plate 13 and the edge plate connecting plate 21 from bottom to top, the second teflon fiber membrane plate 25, the stainless elastic supporting plate 23 and the stainless elastic sealing plate 22 are all arc structures bent downward, and the outer side of the lower end of the stainless elastic sealing plate 22 is tightly attached to the inner wall of the cylindrical tank. The edge plate sealing mechanism 2 further comprises a stainless steel film supporting elastic sheet 26 positioned on the inner side of the second teflon fiber membrane plate 25, and the upper end of the stainless steel film supporting elastic sheet 26 is also fixed on the edge plate 13.

Preferably, the lower end of the stainless steel elastic sealing plate 22 is provided with a folded edge 221 which is bent upwards, and the lower ends of the stainless steel high-elasticity supporting plate 23, the second teflon fiber membrane plate 24 and the stainless steel membrane supporting elastic sheet 26 are all positioned in the folded edge 221.

According to the honeycomb floating disc system for the cylindrical storage tank, the honeycomb box mechanism is arranged on the floating disc body and is fixedly connected through the main beam and the auxiliary beam, so that the whole floating disc body is lighter in weight, can float on the upper part of liquid in the storage tank, is not easy to sink, and is longer in service life; in addition, because the edge is provided with the edge plate sealing mechanism and the stainless steel high-elasticity supporting plate, the stainless steel high-elasticity supporting plate can further provide supplementary elasticity for the stainless steel elastic sealing plate, the stainless steel elastic sealing plate can be tightly attached to the inner wall of the storage tank, the edge of the inner wall of the storage tank can be completely sealed, no gas phase space exists, oil gas volatilization can be greatly reduced, the sealing compensation amount is large, and the corrosion resistance of the edge plate sealing mechanism can be improved due to the arrangement of the second polytetrafluoroethylene fiber membrane.

At present, 304-301 is used for corrosion prevention, and the elastic abrasive is added, so that the Vickers hardness can reach 350-500, and the composite material can be used for different tubes and different strengths.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.