Dirt protection curtain

Abstract

A mud curtain comprising a mud curtain, a float, and a prefabricated drop body, characterized in that the upper edge of the mud curtain is attached in a curved manner to form a cylindrical cavity, the float being inserted into a cylindrical cavity, a plurality of metallic locking eyes arranged at intervals along the side of the mud curtain at the front and rear of the mud curtain, the metallic locking eyes on the upper side of the mud curtain each being connected to the prefabricated drop body via a cable body, the metallic locking eyes on the underside of the mud curtain each being connected to a counterweight iron chain, the float floating above the horizontal plane and the prefabricated drop body sinking to the bottom of the water, so that the vertical deployment of the mud curtain is pulled by the counterweight iron chain,wherein at least one stiffening band is arranged on the mud curtain in the horizontal and vertical direction, wherein the stiffening bands are arranged at equal intervals in the horizontal and / or vertical direction of the mud curtain, wherein along the side of the mud curtain the mud curtain is also provided with a plurality of metal eyelets.

Description

TECHNICAL FIELDThe present invention relates to the technical field of weather technology, in particular to a dirt protection curtain.PRIOR ARTDue to the current severe environmental and water pollution and the putative flooding of garbage in rivers and lakes, it is necessary to place pollution blocking devices on the water surface.In the prior art, a waste dirt button, a waste dirt grid, and a combination of a waste dirt button and a waste dirt grid are generally used on the water surface to intercept floating objects on the water surface. This type of pollution control device can be used to effectively trap house garbage, branches, bamboo and other water surface floating wastes. By this device, the waste floating on the water surface can be confined in a designated area, facilitating the subsequent recovery operations. Due to the advantages of simple installation and high trapping efficiency, this type of pollution blocking device is widely used at present and has considerable development advantages. However, this type of pollution control device is only suitable for small streams, lakes and other areas of relatively flat water flow. For areas at sea that are strongly affected by waves and tidal levels, the device cannot be effectively mounted in a particular area. By means of this device only floating objects on the water surface and larger refuse can be intercepted. The spread of mud water from marine dredgings and shippings into other bodies of water cannot be effectively prevented.CONTENT OF THE PRESENT INVENTIONIn view of this, the present invention provides a dirt curtain so that floating objects are intercepted on the water surface. The spread of mud water from sea dredgings and shippings into other bodies of water can simultaneously be effectively prevented.The present invention provides a dirt guard curtain comprising a sludge curtain, a float and a prefabricated fall body, the upper edge of the sludge curtain being curvedly fixed to a cylindrical cavity, the float being inserted into a cylindrical cavity, along the side of the sludge curtain a plurality of metal locking eyes being spaced at front and rear sides of the sludge curtain, the metal locking eyes at the upper side of the sludge curtain being connected to the prefabricated fall body via a cable body, respectively, the metal locking eyes at the lower side of the sludge curtain being connected to a counterweight iron chain, respectively, the float floating above the horizontal plane and the prefabricated fall body falling to the bottom of the water, such that the vertical deployment of the sludge curtain is pulled through the counterweight iron chain, wherein at least one stiffening strip is arranged on the sludge curtain in the horizontal and vertical direction, wherein the stiffening strips are arranged at regular intervals in the horizontal and / or vertical direction of the sludge curtain, wherein along the side of the sludge curtain the sludge curtain is also provided with a plurality of metal eyes.In an alternative embodiment, it is provided that the material of the float is polystyrene.In an alternative embodiment, it is provided that the curtain of sludge is produced by weaving high-strength polyester fibers, wherein the length of the curtain of sludge is 20 m, wherein the depth of the curtain of sludge is adapted to the depth of the water body applied.In an alternative embodiment, it is provided that the prefabricated drop body comprises a concrete block and a reinforcing bar bent in a U-shape and fastened at both ends in the prefabricated concrete block, wherein the reinforcing bar is connected to one end of the rope body by a U-shaped buckle, wherein the other end of the rope body is connected to the metallic locking eye by a U-shaped buckle.In an alternative embodiment, it is provided that the included angle formed between the prefabricated drop body and the sludge curtain is 45° to 70°.In an alternative embodiment, it is provided that the length of the cable body for connecting the sludge curtain to the prefabricated fall body is 1 to 2 m greater than the minimum distance between the prefabricated fall body and the metallic locking eye at the top side of the sludge curtain.In an alternative embodiment, it is provided that any adjacent sludge curtains are fastened together by rope bodies which pass successively through the metal loops at the sides of adjacent sludge curtains in a zigzag form.In an alternative embodiment, it is provided that the counterweight iron chain is adapted to the lower edge of the mud curtain, wherein the end of the counterweight iron chain is connected to the metallic locking eye at the bottom of the mud curtain by a U-shaped buckle.In comparison with the prior art, the dirt protection curtain according to the invention has at least the following advantageous effects:In the embodiment according to the present invention, the curtain of sludge in the water is straightened by means of a float arranged at the top side of the curtain of sludge and a counterweight iron chain arranged at the bottom side of the curtain of sludge. By connecting to the prefabricated drop body, the curtain of sludge is fastened in a specific area.Floating objects on the water surface may be intercepted by the float on the water surface, and the spread of mud water may be blocked by the mud curtain under water, thereby effectively improving the interception efficiency of the mud curtain.Of course, it is not necessary that any of the products used for the practice of the present invention achieve all the above-described technical effects simultaneously.Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the drawings.BRIEF DESCRIPTION OF THE DRAWINGSThe drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and together with their description serve to explain the principles of the present invention. FIG. 1 is a schematic illustration of the three-dimensional structure of a dirt curtain according to the present invention; FIG. 2 is a schematic illustration of the side view structure of a dirt curtain according to the present invention; FIG. 3 is a schematic illustration of the structure of a prefabricated drop body according to the present invention; FIG. 4 is a schematic illustration of the structure of a metallic locking eyelet according to the present invention; FIG. 5 is a schematic illustration of the connection structure of a curtain of sludge according to the present invention; Fig. 6 is a schematic illustration of the structure of a counterweight iron chain according to the present invention.DETAILED DESCRIPTIONVarious exemplary embodiments of the present invention will now be described in more detail with reference to the drawings. It should be noted that the relative arrangement of the components and steps illustrated in these embodiments, the numerical terms and numerical values, are not intended to limit the scope of the present invention unless expressly stated otherwise.The following description of at least one exemplary embodiment is intended to be substantially illustrative only and is in no way intended to limit the present invention and its application or use.Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but should be considered part of the specification where appropriate.In all examples illustrated and discussed herein, all specific values are to be understood as exemplary only and not limiting. Other example embodiments may therefore have different values.Note that in the following drawings, similar terms are denoted by similar reference numerals and letters. Thus, once a particular term is defined in a drawing, it need not be discussed further in the following drawings.Dirt shielding curtain according to an embodiment of the present invention is taken with reference to FIGS. 1 and 2. A dirt guard curtain according to an embodiment of the present invention, comprising a sludge curtain 10, a float 20 and a prefabricated fall body 30, wherein the upper edge of the sludge curtain 10 is curvedly fixed to a cylindrical cavity, the float 20 being inserted into a cylindrical cavity, along the side of the sludge curtain 10, a plurality of metal locking eyes 11 are spacedly arranged at the front and rear sides of the sludge curtain 10, the metal locking eyes 11 at the upper side of the sludge curtain 10 are connected to the prefabricated fall body 30 via a rope body 40, respectively, the metal locking eyes 11 at the lower side of the sludge curtain 10 are connected to a counterweight iron chain 50, respectively, the float 20 floats above the horizontal plane and the prefabricated fall body 30 sinks to the bottom of the water, such that the vertical deployment of the sludge curtain 10 is pulled by the counterweight iron chain 50, wherein at least one stiffening strip 12 is arranged on the sludge curtain 10 in the horizontal and vertical direction, wherein the stiffening strips 12 are arranged at regular intervals in the horizontal and / or vertical direction of the sludge curtain 10, wherein along the side of the sludge curtain 10 the sludge curtain 10 is also provided with a plurality of metal eyes 13.It is understood that the dirt guard curtain of the present invention includes a sludge curtain 10, the sludge curtain 10 being perpendicular to the body of water so that the spread of sludge water from sea dredging and shipping to other bodies of water can be effectively prevented at the same time. In order to allow the curtain of sludge 10 to remain vertical in the water, the top of the curtain of sludge 10 is curvedly fixed. In particular, it is possible to bend and fix the top of the curtain of sludge 10 by sewing. A cylindrical cavity is formed by the bending portion, so that the float 20 is inserted into the cavity. Furthermore, the float 20 is formed cylindrically. The dimensions of the bending portion at the top of the sludge curtain 10 can be adjusted depending on the cross-sectional dimensions of the float 20 so that the float 20 can be inserted. The top of the curtain of sludge 10 is made to float on the water surface by the float 20.Further, in order to prevent the mud curtain 10 from being blown away for displacement by factors such as wind and waves, the mud curtain 10 may be fixed by a prefabricated drop body 30. In particular, metal locking eyes 11 are arranged on the sides of the sludge curtain 10, one end of the rope body 40 being connected to the metal locking eye 11 and the other end to the prefabricated fall body 30. The prefabricated drop body 30 sinks to the bottom of the water in order to fasten the sludge curtain 10. The front and rear sides of the sludge curtain 10 can each be connected to a prefabricated drop body 30. By way of example, the front and rear sides of both sides of a sludge curtain 10 are each connected to a prefabricated fall body 30. The curtain of sludge 10 is fastened by the four prefabricated drop bodies 30 in order to be able to float easily within a certain range.Further, in order to ensure the unfolding of the sludge curtain 10, a counterweight iron chain 50 is attached to the bottom of the sludge curtain 10. The counterweight iron chain 50 is also connected to the mud curtain 10 by a metallic locking eyelet 11. The mud curtain 10 can be pulled through the counterweight iron chain 50 to remain vertical in the water, so that the mud water is intercepted and prevented from spreading.Furthermore, stiffening straps 12 are also provided on the curtain 10. Since the curtain of sludge 10 is vertically placed in the water and is continuously struck by waves or the like, a plurality of reinforcing straps 12 are disposed vertically and horizontally on the curtain of sludge 10. The object is to increase the strength of the curtain of sludge 10 and to prevent it from being able to lead to a break due to impacts.Furthermore, the dirt protection curtain can be used for a plurality of bodies of water. Depending on the area of the body of water and the dirt protection requirements, the length of the dirt protection curtain can be changed in a removable manner. In particular, at the sides of the mud curtain 10, a plurality of metal loops 13 are spaced apart, wherein the adjacent mud curtains 10 may be tied together by metal loops 13 to extend the length of the mud curtain, which is suitable for different application scenarios.In use, the float 20, the mud curtain 10 and the counterweight iron chain 50 are first assembled in the land area. After being transported into the construction area, one end of the cable body 40 is bound to the prefabricated drop body 30. The prefabricated drop body 30 is raised to the intended position, and then the float 20 and the sludge curtain 10 are lowered. The other end of the rope body 40 is connected to a metallic locking eyelet 11 reserved on the sludge curtain 10.In the embodiment according to the present invention, the curtain of sludge in the water is straightened by means of a float arranged at the top side of the curtain of sludge and a counterweight iron chain arranged at the bottom side of the curtain of sludge. By connecting to the prefabricated drop body, the curtain of sludge is fastened in a specific area. Floating objects on the water surface may be intercepted by the float on the water surface, and the spread of mud water may be blocked by the mud curtain under water, thereby effectively improving the interception efficiency of the mud curtain.In a further alternative embodiment according to the present invention, it is provided that the material of the float 20 is polystyrene.It is understood that polystyrene is frequently used for foamed plastic articles. Its main effect is to resist the horizontal forces acting on the float 20 due to wind and waves by the upward lifting force it generates, so that the prefabricated drop body 30 exerts a downward pulling force on the float 20 and the dead weight of the sludge curtain 10, whereby the upper tip of the sludge curtain 10 is always kept above the water surface.For example, in the water depth range of 0 to 12 m under the influence of wind and waves, the maximum downward pulling force on the float 20 by the dead weight of the prefabricated drop body 30 and the sludge curtain 10 is 393 N / m. At this time, a float 20 having a cylinder with a cross-sectional diameter of 300 mm capable of generating up to 546 N / m in buoyancy, which meets the requirements. Moreover, each portion of the float 20 is 2.4 m long, facilitating transportation and installation.In a further alternative embodiment according to the present invention, it is provided that the sludge curtain 10 is produced by weaving high-strength polyester fibers, wherein the length of the sludge curtain 10 is 20 m, wherein the depth of the sludge curtain 10 is adapted to the depth of the water body applied.It is understood that polyester fibers can be divided into a high strength and low elongation type, a medium strength and medium elongation type, a low strength and medium elongation type, a high modulus type, a high strength and high modulus type, etc., according to their drawable strength. In the embodiment of the invention, the curtain of sludge 10 is made by weaving high strength polyester fibers whose tensile strength can reach 150 kN / m.In addition, the tensile force on the dirt protection curtain produced by wind and waves is at most 54.5 kN / m. The sludge curtain 10 has a single length of 20 m, the depth of which is determined according to the water depth of the white water. The depth of the curtain of sludge 10 after straightening is 1 to 2 m from the bottom of the water.In another alternative embodiment according to the present invention, it is provided that the prefabricated drop body 30 comprises a concrete block 31 and a reinforcing bar 32 bent in a U-shape and fixed at both ends in the prefabricated concrete block 31, with reference to Figs. 3 and 4, wherein the reinforcing bar 32 is connected to one end of the rope body 40 by a U-shaped buckle 60, the other end of the rope body 40 being connected to the metallic locking eye 11 by a U-shaped buckle 60.It will be appreciated that the prefabricated trap body 30 serves to secure the curtain of mud 10 so that it is not flushed away by wind and waves. Specifically, the prefabricated drop body 30 includes a concrete block 31. When casting the concrete block 31, the reinforcing bar 32 is bent in a U-shape so that both ends are inserted into the concrete block 31. After the concrete block 31 has cured, an anchored interface is formed by the reinforcing bar 32, which is connected to one end of the rope body 40 by a U-shaped buckle 60. Also, the other end of the rope body 40 is connected to the metallic locking eyelet 11 of the mud curtain 10 through a U-shaped buckle 60.Further, the weight of the prefabricated drop body 30 can be adjusted depending on the depth of the water body applied. For example, the maximum upward tensile force on the prefabricated drop body 30 due to factors such as wind and waves in the water depth range of 0 to 8 m is 22.89 kN, so that a 1 m*1 m*1 m concrete block 31 having an own weight of 24 kN can be used. For example, the maximum upward tensile force on the prefabricated drop body 30 due to factors such as wind and waves in the water depth range of 8 to 12 m is 31.8 kN, so that a 1.2m*1,2m*1m concrete block 31 having an own weight of 34.6 kN can be used.Moreover, a nylon rope may be used for the rope body 40 to connect the prefabricated drop body 30 to the mud curtain 10.The nylon rope has a diameter of 24 mm and a maximum tensile strength of 50 kN. Due to the influence of wind and shafts, the maximum tensile force of the nylon rope is 44 kN, which can meet the tensile force requirement.In a further alternative embodiment according to the present invention, it is provided that the included angle formed between the prefabricated drop body 30 and the sludge curtain 10 is 45° to 70°.It will be appreciated that the prefabricated drop body 30 is connected to the front and rear sides of the mud curtain 10 to resist the horizontal and vertical pulling forces of wind, waves and floods on the mud curtain. For the same sludge curtain 10, it is possible to connect to a prefabricated drop body 30a on opposite sides of the sludge curtain 10, respectively. A plurality of connected mud curtains 10 can be installed every 20 m uniformly at both ends of the mud curtain. The installation position of the prefabricated drop body 30 may be controlled after connecting the prefabricated drop body 30 to the mud curtain 10. The included angle between the rope body 40 and the plane in which the curtain of sludge 10 is located is 45° to 70°.In a further alternative embodiment according to the present invention, it is provided that the length of the rope body 40 for connecting the sludge curtain 10 to the prefabricated fall body 30 is 1 to 2 m greater than the minimum distance between the prefabricated fall body 30 and the metallic locking eye 11 at the top of the sludge curtain 10.It will be appreciated that by controlling the length of the rope body 40 to connect the prefabricated drop body 30 to the mud curtain 10 and the distance between the mud curtain 10 and the water floor, the influence of the tidal level and sea waves on the mud guard curtain can be effectively avoided.In particular, the length of the crossing direct connection of the rope body 40 for connecting the prefabricated drop body 30 to the sludge curtain 10 is 1 to 2 m. In flooding, the float 20 and the sludge curtain 10 simultaneously float with the tidal level upward, so that the float 20 always remains on the water surface. At low floods, the curtain of mud 10 is always in a free sagging state, since the curtain of mud 10 is at a distance of 1 to 2 m from the sea floor.In a further alternative embodiment according to the present invention, it is provided that any adjacent slurry curtains 10 are fastened together by rope bodies 40 passing successively through the metal loops 13 at the sides of adjacent slurry curtains 10 in a zigzag shape, with reference to Fig. 5.It is understood that on both sides of the curtain of sludge 10, a plurality of metal eyes 13 are arranged at equal intervals in the depth direction. By way of example, a respective metal eyelet 13 can be arranged at a distance of 0.5 m. The metallic eyelet 13 is a bore with a metallic ring jacket. When a plurality of slurry curtains 10 are used by splicing, the rope body 40 may be passed through the metal loops 13 of adjacent slurry curtains 10 one after another in a zigzag shape. A plurality of mud curtains 10 are tied together to extend the length of the mud curtain, which is suitable for different mud protection scenarios.In a further alternative embodiment according to the present invention, it is provided that the counterweight iron chain 50 is fitted to the lower edge of the mud curtain 10, the end of the counterweight iron chain 50 being connected to the metal locking eye 11 at the bottom of the mud curtain 10 by a U-shaped buckle 60, with reference to Figure 6.It will be appreciated that the length of the counterweight iron chain 50 is equal to the length of the mud curtain 10 and is disposed along the underside of the mud curtain 10. In particular, the connection to a metallic locking eye 11 at the bottom of the mud curtain 10 is made by means of a U-shaped buckle 60. Its primary function is to add a downward pulling force at the lower end of the sludge curtain 10 so that the sludge curtain 10 always remains upright under the influence of environmental factors such as waves to achieve a dirt protection effect.In summary, the dirt protection curtain according to the invention has at least the following advantageous effects:In the embodiment according to the present invention, the curtain of sludge in the water is straightened by means of a float arranged at the top side of the curtain of sludge and a counterweight iron chain arranged at the bottom side of the curtain of sludge. By connecting to the prefabricated drop body, the curtain of sludge is fastened in a specific area. Floating objects on the water surface may be intercepted by the float on the water surface, and the spread of mud water may be blocked by the mud curtain under water, thereby effectively improving the interception efficiency of the mud curtain.Although some specific embodiments of the present invention have been explained in detail by way of examples, it should be understood by those skilled in the art that the above examples are merely for the purpose of illustration and are not intended to limit the scope of the present invention. Those skilled in the art will understand that modifications can be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is limited by the appended claims.

Claims

A dirt protection curtain comprising a sludge curtain, a float and a prefabricated fall body, characterized in that the upper edge of the sludge curtain is curvedly attached to a cylindrical cavity, the float being inserted into a cylindrical cavity, along the side of the sludge curtain a plurality of metal locking eyes are spaced at the front and rear sides of the sludge curtain, the metal locking eyes at the top side of the sludge curtain being connected to the prefabricated fall body via a cable body, respectively, the metal locking eyes at the bottom side of the sludge curtain being connected to a counterweight iron chain, respectively, the float floating above the horizontal plane and the prefabricated fall body falling down to the bottom of the water, so that the vertical deployment of the sludge curtain is pulled by the counterweight iron chain, wherein at least one stiffening strip is arranged on the sludge curtain in horizontal and vertical direction, wherein the stiffening strips are arranged at regular intervals in horizontal and / or vertical direction of the sludge curtain, wherein along the side of the sludge curtain the sludge curtain is also provided with a plurality of metal eyes.A dirt curtain according to claim 1, characterised in that the material of the float is polystyrene.The dirt curtain according to claim 1, characterized in that the sludge curtain is made by weaving high strength polyester fibers, wherein the length of the sludge curtain is 20 m, wherein the depth of the sludge curtain is adapted to the depth of the water body applied.The dirt protection curtain according to claim 1, characterized in that the prefabricated drop body comprises a concrete block and a reinforcement bar bent in a U-shape and fixed at both ends in the prefabricated concrete block, the reinforcement bar being connected to one end of the rope body by a U-shaped buckle, the other end of the rope body being connected to the metallic locking eye by a U-shaped buckle.The dirt protection curtain according to claim 4, characterized in that the included angle formed between the prefabricated fall body and the sludge curtain is 45° to 70°.The dirt protection curtain according to claim 4, characterized in that the length of the rope body for connecting the sludge curtain to the prefabricated drop body is 1 to 2 m greater than the minimum distance between the prefabricated drop body and the metallic locking eye at the top side of the sludge curtain.The dirt screen according to claim 1, characterized in that any adjacent ones of the mud curtains are fastened together by rope bodies passing successively through the metal loops at the sides of adjacent ones of the mud curtains in a zigzag shape.The dirt protection curtain according to claim 1, characterized in that the counterweight iron chain is adapted at the lower edge of the sludge curtain, the end of the counterweight iron chain being connected to the metal locking eye at the bottom of the sludge curtain by a U-shaped buckle.

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