Marine work concrete curing device and curing method thereof

Abstract

The invention relates to the technical field of concrete curing devices, in particular to a maritime work concrete curing device and a curing method thereof.The maritime work concrete curing device is characterized in that the maritime work concrete curing device comprises a light steel framework, a sunscreen heat insulation plate, an inner formwork, a water absorption slow release part and a swing spraying assembly, the inner formwork is arranged on the inner side of the light steel framework, and a concrete pouring cavity is defined in the inner formwork; a sunscreen heat insulation plate is installed on the outer side of the light steel framework, a heat insulation cavity is defined between the inner formwork and the sunscreen heat insulation plate, a plurality of water permeable holes are evenly distributed in the inner formwork, the inner surface of the inner formwork is covered with water permeable formwork cloth in a bonded mode, and the outer surface of the inner formwork is connected with a water absorption slow release piece. The swing spraying assembly is installed on the light steel framework, located in the heat insulation cavity and used for spraying water to the water absorption slow release part. According to the method, overlarge temperature rise caused by perpendicular incidence of sunlight on the sea is effectively avoided, the day and night temperature difference can be reduced, a good overall wetting maintenance effect can be achieved, water evaporation is greatly reduced, water resource waste is reduced, and maintenance can be directly carried out without formwork removal.

Description

Technical Field

[0001] The present invention relates to the technical field of concrete curing devices, and particularly to a marine concrete curing device and a curing method thereof. Background Art

[0002] In recent years, the civil engineering construction industry in China has developed vigorously, and concrete is widely used in various engineering structures. For large-volume marine concrete, steel formwork is usually adopted. In the case of unshielded sunlight, the temperature rises extremely fast. If the concrete is cured after form removal, the temperature of the concrete is relatively high at this time, and the best curing time will be missed. At the same time, the existing curing process consumes and wastes a large amount of water resources. Moreover, for on-site concrete curing under marine conditions, there are adverse factors such as large day-night temperature differences, strong sunlight, and large evaporation rates, and it is impossible to carry out good wet curing for the whole, which will affect the overall curing effect. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a marine concrete curing device and a curing method thereof that can effectively avoid direct sunlight and excessive temperature rise on the sea, is beneficial to reducing the day-night temperature difference, can achieve a good overall wet curing effect, greatly reduce water evaporation, reduce water resource waste, and can directly carry out curing without form removal.

[0004] To solve the above technical problems, the technical solution adopted by the present invention is as follows: A marine concrete curing device includes a light steel skeleton, a sunshade and heat insulation board, an inner formwork, a water absorption and slow release member, and a swing spraying component. The light steel skeleton is in the shape of a cylindrical frame. An inner formwork is fixedly arranged inside the light steel skeleton, and a concrete pouring cavity is formed by surrounding inside the inner formwork. A sunshade and heat insulation board is detachably installed outside the light steel skeleton, and a heat insulation cavity is formed by surrounding between the inner formwork and the sunshade and heat insulation board. A number of water permeable holes are evenly distributed on the inner formwork, and a water permeable formwork cloth is bonded and covered on the inner surface of the inner formwork. A water absorption and slow release member is connected to the outer surface of the inner formwork. The swing spraying component is installed on the light steel skeleton and is located in the heat insulation cavity and is used for spraying water on the water absorption and slow release member.

[0005] Furthermore, the light steel frame includes a bottom frame, at least one middle frame and a top frame which are fixedly assembled from bottom to top in sequence, the bottom frame is assembled from two symmetrically arranged and semicircular bottom frame bodies, the middle frame is assembled from two symmetrically arranged and semicircular middle frame bodies, the top frame is circular, the inner template includes a top template, an middle template and a bottom template, the lower end surface of the top frame is fixedly provided with a top template, the inner circumference surface of the middle frame body is fixedly provided with an middle template, the inner circumference surface of the bottom frame body is fixedly provided with a bottom template, and the sunscreen is fixedly provided with a sunscreen. The heat plate comprises a top heat insulation plate, a middle heat insulation plate and a bottom heat insulation plate; the top heat insulation plate is detachably mounted on the upper end surface and the outer peripheral surface of the top frame, the middle heat insulation plate is detachably mounted on the outer peripheral surface of the middle frame, the bottom heat insulation plate is detachably mounted on the outer peripheral surface of the bottom frame, the water-absorbing slow-release component comprises a top slow-release component, a middle slow-release component and a bottom slow-release component; the top end surface of the top template is detachably mounted on the top slow-release component, the outer peripheral surface of the middle template is detachably mounted on the middle slow-release component, and the outer peripheral surface of the bottom template is detachably mounted on the bottom slow-release component.

[0006] Furthermore, a plurality of intermediate longitudinal ribs and a plurality of intermediate transverse ribs are fixedly provided on the outer peripheral surface of the middle template in a criss-cross pattern, a plurality of intermediate longitudinal ribs and a plurality of intermediate transverse ribs are formed between the plurality of intermediate longitudinal ribs and the plurality of intermediate transverse ribs, and the middle slow-release member covers the intermediate separation cavity; a plurality of bottom longitudinal ribs and a plurality of bottom transverse ribs are fixedly provided on the outer peripheral surface of the bottom template in a criss-cross pattern, a plurality of bottom separation cavities are formed between the plurality of bottom longitudinal ribs and the plurality of bottom transverse ribs, and the bottom slow-release member is provided in the bottom separation cavity.

[0007] Furthermore, the swinging spray assembly includes a swinging drive mechanism, a water inlet pipe, a water spray pipe and a nozzle. The water inlet pipe is in an inverted T shape. The vertical pipe body of the water inlet pipe passes upward through the rotating shaft and is fixedly connected to the rotating shaft. The rotating shaft is rotatably installed in the bearing seat through a first bearing. The bearing seat is fixedly installed on the upper end of the top frame. The swinging drive mechanism is used to drive the rotating shaft to rotate reciprocatingly to drive the water spray pipe to swing reciprocatingly. Water spray pipes are respectively installed at both ends of the transverse pipe body of the water inlet pipe. The water spray pipe is in an inverted L shape, and multiple nozzles are installed on the water spray pipe at intervals along its extension direction.

[0008] Further, the swing drive mechanism includes a drive motor, a rotating disc, a connecting rod, a rack, a gear, and a sliding device. The drive motor is fixedly installed at the upper end of the top skeleton, and its motor shaft extends downward into the top skeleton and is fixedly installed with a rotating disc. An eccentric shaft is fixedly provided at an eccentric position on the lower end surface of the rotating disc. One end of the connecting rod is rotatably connected to the eccentric shaft, and the other end is rotatably connected to a fixed shaft on one end of the rack. The rack is slidably connected to the top skeleton through the sliding device. The sliding device includes a slidably matched slider and a slide rail. The slider is fixedly installed on the upper end surface of the rack, and the slide rail is fixedly installed on the top skeleton. The rack is meshed and driven with the gear. The lower end of the rotating shaft extends downward into the top skeleton and is fixedly installed with a gear. A protective cover for covering the drive motor and the bearing seat is fixedly installed at the upper end of the top skeleton. The upper end of the vertical pipe body extends upward and passes through the protective cover. The top heat insulation plate is provided with an insertion hole adapted to the protective cover.

[0009] Further, the water spray pipe includes a top pipe body, at least one intermediate pipe body, and a bottom pipe body that are detachably connected in sequence. The number of intermediate pipe bodies is the same as and corresponds one by one to the number of intermediate skeletons. A rolling guiding device is provided between the bottom end of the bottom pipe body and the bottom skeleton. The rolling guiding device includes a rolling seat, a rolling ball, an annular limiting cover, and an arc-shaped guiding plate. The upper end of the rolling seat is detachably connected to the bottom end of the bottom pipe body. The bottom end of the rolling seat is provided with a rolling groove adapted to the rolling ball. The annular limiting cover is detachably installed at the bottom end of the rolling seat. The rolling ball is arranged in the rolling groove and one side surface thereof penetrates through the annular limiting cover. The arc-shaped guiding plate is fixedly installed in the bottom frame body. The upper end surface of the arc-shaped guiding plate is provided with an arc-shaped guiding groove adapted to the rolling ball. The rolling ball is rollingly supported in the arc-shaped guiding groove.

[0010] Further, the water absorption and slow release member includes a fast water absorption layer and a water storage and slow release layer arranged in layers. The fast water absorption layer is arranged on the side close to the heat insulation cavity. The fast water absorption layer is provided with a large and sparse large pore absorption microporous structure. The water storage and slow release layer is provided with a small and dense small pore absorption microporous structure. The fast water absorption layer is used to quickly absorb water ice and quickly penetrate the water into the water storage and slow release layer. The water storage and slow release layer is used to quickly and evenly disperse and store the water permeated from the fast water absorption layer and slowly release it to the inner template side.

[0011] Further, at least one exhaust fan is installed on the outer peripheral surface of the top skeleton. At least one notch corresponding to the exhaust fan is provided on the outer peripheral surface of the top heat insulation plate. A plurality of air inlets are provided on the bottom heat insulation plate. An air inlet pipe adapted thereto is installed in the air inlet. The air inlet pipe is in the shape of a trumpet with a wide outer part and a narrow inner part.

[0012] Further, the outer peripheral surface of the sun protection and heat insulation plate is coated with a sun protection coating layer. A heat preservation cavity is provided in the sun protection and heat insulation plate. The heat preservation cavity is filled with a phase change material.

[0013] The method for curing marine concrete uses the marine concrete curing device according to any one of the above to cure, and includes the following steps:

[0014] Step 1: Uniformly spray water on the water absorption and slow release component through the swinging spray component;

[0015] Step 2: The water absorption and slow release component absorbs and stores the sprayed water, slowly releases the water towards the inner formwork side, then penetrates through the water permeable holes on the inner formwork, and moistens the water permeable formwork cloth to continuously keep the outer surface of the marine concrete in a moist state.

[0016] As can be seen from the above description, the marine concrete curing device and its curing method provided by the present invention have the following beneficial effects: Through the setting of the sunshade and heat insulation board, the inner formwork and the concrete pouring cavity can be correspondingly shielded, and a heat insulation cavity can be formed, effectively avoiding direct sunlight at sea and causing excessive temperature rise, which is beneficial to reducing the day-night temperature difference; Through the setting of the swinging spray component, it is convenient to spray water on the water absorption and slow release component. The water absorption and slow release component can absorb and store water, slowly release the water towards the inner formwork side, then penetrate through the water permeable holes on the inner formwork, and moistens the water permeable formwork cloth to continuously keep the outer surface of the marine concrete in a moist state, and has a good overall wet curing effect, which can greatly reduce water evaporation, reduce water resource waste, and can directly carry out curing without removing the formwork, without missing the best curing time. Description of the Drawings

[0017] Figure 1 It is a schematic internal structure diagram of the marine concrete curing device of the present invention.

[0018] Figure 2 It is Figure 1 A partial enlarged schematic diagram at position A in

[0019] Figure 3 It is Figure 1 A partial enlarged schematic diagram at position B in

[0020] Figure 4 It is a three-dimensional structure schematic diagram when the light steel framework is connected to the inner formwork.

[0021] Figure 5 It is Figure 4 A partial enlarged schematic diagram at position C in

[0022] Figure 6 It is a three-dimensional structure schematic diagram of the swing driving mechanism.

[0023] In the figure: 1 - light steel framework; 11 - bottom framework; 111 - bottom frame body; 12 - intermediate framework; 121 - intermediate frame body; 13 - top framework; 2 - sunshade and heat insulation board; 21 - top heat insulation board; 211 - notch; 22 - intermediate heat insulation board; 23 - bottom heat insulation board; 3 - inner formwork; 31 - top formwork; 32 - intermediate formwork; 321 - intermediate longitudinal rib plate; 322 - intermediate transverse rib plate; 323 - intermediate separation cavity; 33 - bottom formwork; 331 - bottom longitudinal rib plate; 332 - bottom transverse rib plate; 333 - bottom separation cavity; 4 - water absorption and slow release member; 41 - top slow release member; 42 - intermediate slow release member; 43 - bottom slow release member; 5 - swing spraying assembly; 51 - swing driving mechanism; 511 - driving motor; 512 - rotating disk; 513 - connecting rod; 514 - rack; 515 - gear; 516 - sliding device; 5161 - slider; 5162 - slide rail; 517 - protective cover; 52 - water inlet pipe; 521 - vertical pipe body; 522 - horizontal pipe body; 53 - water spraying pipe; 531 - top pipe body; 532 - intermediate pipe body; 533 - bottom pipe body; 54 - nozzle; 55 - rotating shaft; 56 - bearing seat; 61 - concrete pouring cavity; 62 - heat insulation cavity; 7 - rolling guiding device; 71 - rolling seat; 72 - ball; 73 - annular limiting cover; 74 - arc guide plate; 81 - exhaust fan; 82 - air inlet pipe; 9 - permeable formwork cloth. Specific embodiments

[0024] The present invention will be further described below through specific embodiments.

[0025] As Figures 1 to 6 shown, the marine concrete curing device of the present invention includes a light steel framework 1, a sunshade and heat insulation board 2, an inner formwork 3, a water absorption and slow release member 4, and a swing spraying assembly 5. The light steel framework 1 is in the shape of a cylindrical framework. The inner formwork 3 is fixedly arranged inside the light steel framework 1. Preferably, the inner formwork 3 is made of steel plate. A concrete pouring cavity 61 is formed by enclosing inside the inner formwork 3. The sunshade and heat insulation board 2 is detachably installed outside the light steel framework 1. A heat insulation cavity 62 is formed by enclosing between the inner formwork 3 and the sunshade and heat insulation board 2. A plurality of permeable holes are evenly distributed on the inner formwork 3. A permeable formwork cloth 9 is adhesively covered on the inner surface of the inner formwork 3. The water absorption and slow release member 4 is connected to the outer surface of the inner formwork 3. The swing spraying assembly 5 is installed on the light steel framework 1 and is located inside the heat insulation cavity 62 and is used for spraying water on the water absorption and slow release member 4.

[0026] Through the arrangement of the sunshade and heat insulation board 2, the inner formwork 3 and the concrete pouring cavity 61 can be correspondingly shielded, and the heat insulation cavity 62 can be formed, effectively avoiding direct sunlight at sea and causing excessive temperature rise, which is beneficial to reducing the temperature difference between day and night; through the arrangement of the swing spraying assembly 5, it is convenient to spray water on the water absorption and slow release member 4. The water absorption and slow release member 4 can absorb and store water, and slowly release the water to the side of the inner formwork 3, and then penetrate into the inner formwork 3 through the water permeable holes, and moisten the water permeable formwork cloth 9 to continuously keep the outer surface of the marine concrete in a wet state, and achieve a good overall wet curing effect, which can greatly reduce water evaporation, reduce water resource waste, and can be directly cured without removing the formwork, without missing the best curing time.

[0027] The light steel framework 1 includes a bottom framework 11, at least one intermediate framework 12, and a top framework 13 that are fixedly assembled in sequence from bottom to top. The bottom framework 11 is assembled by two symmetrically arranged semi-circular bottom frame bodies 111. The intermediate framework 12 is assembled by two symmetrically arranged semi-circular intermediate frame bodies 121. The top framework 13 is circular. Correspondingly, the bottom framework 11, the intermediate framework 12, and the top framework 13 are fixedly connected by bolts. The two bottom frame bodies 111 and the two intermediate frame bodies 121 are also fixedly connected by bolts. The inner formwork 3 includes a top formwork 31, an intermediate formwork 32, and a bottom formwork 33. The top formwork 31 is fixedly provided on the lower end surface of the top framework 13. Correspondingly, the two are fixedly connected by welding. The intermediate formwork 32 is fixedly provided on the inner circumferential surface of the intermediate frame body 121. Correspondingly, the two are fixedly connected by welding. The bottom formwork 33 is fixedly provided on the inner circumferential surface of the bottom frame body 111. Correspondingly, the two are fixedly connected by welding. The sunshade and heat insulation board 2 includes a top heat insulation board 21, an intermediate heat insulation board 22, and a bottom heat insulation board 23. The top heat insulation board 21 is detachably installed on the upper end surface and the outer peripheral surface of the top framework 13. The intermediate heat insulation board 22 is detachably installed on the outer peripheral surface of the intermediate framework 12. The bottom heat insulation board 23 is detachably installed on the outer peripheral surface of the bottom framework 11. The top heat insulation board 21 and the top framework 13, the intermediate heat insulation board 22 and the intermediate framework 12, and the bottom heat insulation board 23 and the bottom framework 11 are all connected by bolts. The water absorption and slow release member 4 includes a top slow release member 41, an intermediate slow release member 42, and a bottom slow release member 43. The top slow release member 41 is detachably installed on the upper end surface of the top formwork 31. The intermediate slow release member 42 is detachably installed on the outer peripheral surface of the intermediate formwork 32. The bottom slow release member 43 is detachably installed on the outer peripheral surface of the bottom formwork 33. The top slow release member 41 and the top formwork 31, the intermediate slow release member 42 and the intermediate formwork 32, and the bottom slow release member 43 and the bottom formwork 33 are all connected by bolts. This facilitates the overall assembly and also facilitates subsequent disassembly.

[0028] A plurality of intermediate longitudinal rib plates 321 and a plurality of intermediate transverse rib plates 322 which are crisscrossed are fixedly arranged on the outer peripheral surface of the intermediate template 32, whereby the overall structural strength of the intermediate template 32 can be further enhanced. A plurality of intermediate separation cavities 323 are formed by surrounding between the plurality of intermediate longitudinal rib plates 321 and the plurality of intermediate transverse rib plates 322. The intermediate slow-release member 42 covers the inside of the intermediate separation cavities 323. A plurality of bottom longitudinal rib plates 331 and a plurality of bottom transverse rib plates 332 which are crisscrossed are fixedly arranged on the outer peripheral surface of the bottom template 33, whereby the overall structural strength of the bottom template 33 can be further enhanced. A plurality of bottom separation cavities 333 are formed by surrounding between the plurality of bottom longitudinal rib plates 331 and the plurality of bottom transverse rib plates 332. The bottom slow-release member 43 is arranged in the bottom separation cavities 333.

[0029] The swing spraying assembly 5 includes a swing driving mechanism 51, a water inlet pipe 52, a water spraying pipe 53 and a spray head 54. The water inlet pipe 52 is in an inverted T shape. The vertical pipe body 521 of the water inlet pipe 52 passes upward through the rotating shaft 55 and is fixedly connected with the rotating shaft 55. The rotating shaft 55 is rotatably installed in the bearing seat 56 through a first bearing. The bearing seat 56 is fixedly installed at the upper end of the top skeleton 13. The swing driving mechanism 51 is used to drive the rotating shaft 55 to rotate reciprocally to drive the water spraying pipe 53 to swing reciprocally. The water spraying pipes 53 are respectively installed at both ends of the transverse pipe body 522 of the water inlet pipe 52. The water spraying pipe 53 is in an inverted L shape. A plurality of the spray heads 54 are installed at intervals along the extending direction of the water spraying pipe 53. Preferably, the spray head 54 is in a fan shape, which is beneficial to ensuring the water spraying diffusion area of a single spray head 54. In this way, by driving the water inlet pipe 52 to rotate reciprocally through the swing driving mechanism 51, the two water spraying pipes 53 can be driven to swing reciprocally, so that the plurality of spray heads 54 can better spray and cover the water absorption slow-release member 4.

[0030] The swing drive mechanism 51 includes a drive motor 511, a rotating disk 512, a connecting rod 513, a rack 514, a gear 515 and a sliding device 516. The drive motor 511 is fixedly installed at the upper end of the top skeleton 13, and its motor shaft extends downward into the top skeleton 13 and fixedly installs the rotating disk 512. An eccentric shaft is fixedly provided at an eccentric position on the lower end surface of the rotating disk 512. One end of the connecting rod 513 is rotatably connected to the eccentric shaft through a second bearing, and the other end is rotatably connected to a fixed shaft on one end of the rack 514 through a third bearing. The rack 514 is slidably connected to the top skeleton 13 through the sliding device 516. The sliding device 516 includes a slidably matched slider 5161 and a slide rail 5162. The slider 5161 is fixedly installed on the upper end surface of the rack 514, and the slide rail 5162 is fixedly installed on the top skeleton 13. The rack 514 meshes and drives with the gear 515. The lower end of the rotating shaft 55 extends downward into the top skeleton 13 and fixedly installs the gear 515. Thus, by driving the rotating disk 512 to rotate through the drive motor 511, through the linkage of the connecting rod 513, and under the guiding action of the sliding device 516, the rack 514 can be reciprocally moved. At the same time, in cooperation with the meshing drive between the rack 514 and the gear 515, the gear 515 can be driven to reciprocally rotate, and the rotating shaft 55 and the water inlet pipe 52 can be driven to reciprocally rotate together, thereby driving the water spray pipe 53 to synchronously reciprocally rotate, and the reciprocating swing angle of the water spray pipe 53 can be maximized. The reciprocating swing angle is 170 - 175 degrees, so that only two water spray pipes 53 can be used to maximize the uniform water spraying coverage of the two sides of the water absorption and slow release member 4.

[0031] In addition, a protective cover 517 for covering the drive motor 511 and the bearing seat 56 is fixedly installed at the upper end of the top skeleton 13. The upper end of the vertical pipe body 521 extends upward and passes through the protective cover 517. The top heat insulation plate 21 is provided with an insertion hole adapted to the protective cover 517. Correspondingly, the upper end surface of the protective cover 517 is higher than the upper end surface of the top heat insulation plate 21. A plurality of strip-shaped notches are provided on the outer peripheral surface of the protective cover 517 above the top heat insulation plate 21.

[0032] The water spray pipe 53 includes a top pipe body 531, at least one intermediate pipe body 532, and a bottom pipe body 533 that are detachably connected in sequence. Correspondingly, the connection between the top pipe body 531 and the intermediate pipe body 532 is a threaded connection, and the connection between the intermediate pipe body 532 and the bottom pipe body 533 is a threaded connection. If there are multiple intermediate pipe bodies 532, the connection between two adjacent intermediate pipe bodies 532 is a threaded connection. The number of intermediate pipe bodies 532 is the same as and corresponds one by one to the number of intermediate skeletons 12. In this way, it is convenient to adjust the number of uses of the intermediate skeleton 12 and the intermediate pipe body 532 according to the height of the marine concrete to be poured.

[0033] In addition, a rolling guide device 7 is provided between the bottom end of the bottom pipe body 533 and the bottom skeleton 11. The rolling guide device 7 includes a rolling seat 71, a ball 72, an annular limit cover 73, and an arc guide plate 74. The upper end of the rolling seat 71 is detachably connected to the bottom end of the bottom pipe body 533. Correspondingly, the connection between the rolling seat 71 and the bottom pipe body 533 is a threaded connection. The bottom end of the rolling seat 71 is provided with a rolling groove adapted to the ball 72. The annular limit cover 73 is detachably installed at the bottom end of the rolling seat 71. Correspondingly, the connection between the annular limit cover 73 and the rolling seat 71 is a threaded connection. The ball 72 is arranged in the rolling groove and one side surface thereof penetrates through the annular limit cover 73. Correspondingly, the annular limit cover 73 is provided with a round hole through which one side surface of the ball 72 can penetrate. The arc guide plate 74 is fixedly installed in the bottom frame body 111. The upper end surface of the arc guide plate 74 is provided with an arc guide groove adapted to the ball 72. The ball 72 is rollingly supported in the arc guide groove. In this way, through the rolling guide device 7, a corresponding rolling support effect can be exerted on the bottom end of the water spray pipe 53, and at the same time, the arc guide groove can play a corresponding guiding role in the rolling of the ball 72, so as to play a corresponding guiding role in the swinging movement of the bottom end of the water spray pipe 53, which is beneficial to further ensuring the stability and smoothness of the water spray pipe 53 during swinging.

[0034] The water absorption and slow release member 4 includes a fast water absorption layer and a water storage and slow release layer arranged in layers. The fast water absorption layer is arranged on the side close to the heat insulation cavity 62. The fast water absorption layer is provided with a large and sparse large pore absorption microporous structure. The water storage and slow release layer is provided with a small and dense small pore absorption microporous structure. The fast water absorption layer is used to quickly absorb water ice and quickly penetrate the water into the water storage and slow release layer. The water storage and slow release layer is used to quickly and evenly disperse and store the water permeated from the fast water absorption layer and slowly release it to the inner formwork 3 side.

[0035] By adopting the water-absorbing and slow-release member 4 with an absorbent microporous structure, the fast water-absorbing layer with a large and sparse macroporous absorbent microporous structure can quickly absorb water and rapidly penetrate the water into the water storage and slow-release layer. The water storage and slow-release layer with a small and dense microporous absorbent microporous structure can quickly and evenly disperse and store the water and slowly release it. At the same time, according to the principle of capillary action, the size of the small holes in the water storage and slow-release layer is significantly smaller than the size of the large holes in the fast water-absorbing layer. Therefore, the small holes in the water storage and slow-release layer can more efficiently transfer and absorb the water in the fast water-absorbing layer, thereby keeping the fast water-absorbing layer dry and having a good air permeability effect. As a result, the water is not easily volatilized from the outer surface of the fast water-absorbing layer of the water-absorbing and slow-release member 4, and can maintain the continuous wet state of the water storage and slow-release layer in the water-absorbing and slow-release member 4 for a long time, and slowly release the water, and then penetrate into the sea engineering concrete outer surface through the water permeable holes on the inner template 3 to continuously maintain the wet state of the sea engineering concrete outer surface and achieve a good overall wet curing effect.

[0036] Preferably, the aperture of the macroporous absorbent microporous structure is 30-60 μm, the aperture of the microporous absorbent microporous structure is 1-15 μm, the thickness of the fast water-absorbing layer is 5-8 mm, and the thickness of the water storage and slow-release layer is 12-20 mm.

[0037] In addition, preferably, the water-absorbing and slow-release member 4 can adopt the structure of the absorbent core in a liquid sanitary napkin, and its manufacturing method is as described in the preparation method of a liquid sanitary napkin absorbent core with the authorization announcement number CN116421766B.

[0038] In addition, at least one exhaust fan 81 is installed on the outer peripheral surface of the top skeleton 13. The exhaust fan 81 communicates with the heat insulation cavity 62. At least one notch 211 corresponding to the exhaust fan 81 is provided on the outer peripheral surface of the top heat insulation plate 21. Preferably, the number of the exhaust fan 81 and the notch 211 is 2-4. A plurality of air inlets are provided on the bottom heat insulation plate 23, and air inlet pipes 82 adapted thereto are installed in the air inlets. The air inlet pipes 82 are in a trumpet shape with a wide outer part and a narrow inner part. The air inlet pipes 82 communicate with the heat insulation cavity 62. When the sun shines strongly during the day, by turning on the exhaust fan 81, the stuffy air in the heat insulation cavity 62 can flow upward and be discharged through the exhaust fan 81, and the outside air can enter through the air inlet pipes 82. By setting the air inlet pipes 82 in a trumpet shape with a wide outer part and a narrow inner part, it is beneficial to cool the entering air. By making the air in the heat insulation cavity 62 flow inside and outside, it is beneficial to further reduce the temperature in the heat insulation cavity 62.

[0039] In addition, a sunscreen coating layer is applied to the outer peripheral surface of the sunscreen and heat insulation board 2, so as to further achieve the effects of sunscreen and heat insulation. Correspondingly, the sunscreen coating layer can be formed by coating with a reflective heat insulation coating in the prior art. The sunscreen and heat insulation board 2 can be made of a light thermal insulation board. A heat insulation cavity is provided in the sunscreen and heat insulation board 2. Correspondingly, a filling port communicating with the heat insulation cavity is provided on the sunscreen and heat insulation board 2. A sealing plug is installed in the filling port. A phase change material is filled in the heat insulation cavity. The box change material is in a solid powder state at normal temperature, turns into a liquid after absorbing heat, and solidifies again after cooling. When the sunlight is strong during the day, the phase change material can quickly absorb heat and melt, so as to realize liquefied energy storage. When the ambient temperature drops at night, during the process of cooling and solidifying of the phase change material, energy will be released, so as to play a certain heat preservation effect on the periphery of the cast marine concrete, which is beneficial to reducing the temperature difference between day and night.

[0040] Preferably, the phase change material can be selected from the materials in the prior art, such as inorganic crystalline hydrate salt phase change materials, microencapsulated paraffin or graphene composite phase change materials.

[0041] The formwork erection of the marine concrete curing device is carried out according to the following steps: First, weld and fix the top formwork 31 to the lower end surface of the top framework 13, weld and fix the middle formwork 32 to the inner peripheral surface of the middle framework 121, and weld and fix the bottom formwork 33 to the inner peripheral surface of the bottom framework 111; Second, bond and cover the permeable formwork cloth 9 on the inner surfaces of the top formwork 31, the middle formwork and the bottom formwork 33; Third, connect the arc-shaped guide plate 74 to the inside of the bottom pipe body 533 by bolts, connect and assemble the two bottom frameworks 111 by bolts to form the bottom framework 11, connect and assemble the two middle frameworks 121 by bolts to form the middle framework 12, and then connect and assemble the bottom framework 11 and at least one middle framework 12 from bottom to top by bolts in sequence; Fourth, install the bottom slow-release member 43 in the bottom separation cavity 333 of the bottom formwork 33, install the middle slow-release member 42 in the middle separation cavity 323 of the middle formwork 32, and install the top slow-release member 41 on the upper end surface of the top formwork 31; Fifth, install the bottom heat insulation plate 23 on the outer peripheral surface of the bottom framework 11 by bolts, bond and fix the air inlet pipe 82 in the air inlet of the bottom heat insulation plate 23, and install the middle heat insulation plate 22 on the outer peripheral surface of the middle framework 12 by bolts; Sixth, thus, a preliminary overall framework is formed; Seventh, bind steel bars in the concrete pouring cavity 61 and pour concrete; Eighth, after the concrete pouring is completed, assemble the swing spraying assembly 5 and the rolling guiding device 7, install the swing spraying assembly 5 and the exhaust fan 81 on the top framework 13, and then connect and assemble the top framework 13 to the upper end of the uppermost middle framework 12 by bolts; Ninth, install the top heat insulation plate 21 on the upper end surface and the outer peripheral surface of the top framework 13 by bolts, and make the heat insulation cavity 62 form a relatively airtight space except at the positions of the exhaust fan 81 and the air inlet pipe 82; Tenth, thus, a complete marine concrete curing device is formed.

[0042] The marine concrete curing method uses the marine concrete curing device described in any one of the above to carry out curing, including the following steps:

[0043] Step 1: Uniformly spray water on the water absorption and slow-release member 4 through the swing spraying assembly 5;

[0044] Step 2: The water absorption and slow-release member 4 absorbs and stores the sprayed water, slowly releases the water to the inner formwork 3 side, then penetrates through the water permeable holes on the inner formwork 3, and moistens the permeable formwork cloth 9 to continuously keep the outer surface of the marine concrete in a moist state.

[0045] The above are only several specific embodiments of the present invention, but the design concept of the present invention is not limited thereto. Any non-substantive modification made to the present invention using this concept shall fall within the scope of infringement of the protection scope of the present invention.

Claims

1. Offshore concrete curing device, characterized in that: It includes a light steel frame, a sun-proof and heat-insulating board, an inner formwork, a water-absorbing slow-release component and a swinging spray assembly. The light steel frame is in the shape of a cylindrical frame. The inner formwork is fixedly provided on the inner side of the light steel frame. A concrete pouring cavity is formed in the inner formwork. The sun-proof and heat-insulating board is detachably installed on the outer side of the light steel frame. An insulating cavity is formed between the inner formwork and the sun-proof and heat-insulating board. A plurality of water-permeable holes are evenly distributed on the inner formwork. The inner surface of the inner formwork is bonded and covered with a permeable formwork cloth. The outer surface of the inner formwork is connected to the water-absorbing slow-release component. The swinging spray assembly is installed on the light steel frame and is located in the insulating cavity and is used for spraying water on the water-absorbing slow-release component.

2. The marine concrete curing device according to claim 1, characterized in that: The light steel frame includes a bottom frame, at least one middle frame and a top frame which are fixedly assembled from bottom to top in sequence. The bottom frame is assembled from two symmetrically arranged and semicircular bottom frame bodies, the middle frame is assembled from two symmetrically arranged and semicircular middle frame bodies, the top frame is circular, the inner template includes a top template, an middle template and a bottom template, the top template is fixedly arranged on the lower end surface of the top frame, the middle template is fixedly arranged on the inner circumference surface of the middle frame body, the bottom template is fixedly arranged on the inner circumference surface of the bottom frame body, and the sunscreen and heat insulation board includes a top template, an middle template and a bottom template. It comprises a top insulation board, a middle insulation board and a bottom insulation board, the top insulation board is detachably mounted on the upper end surface and the outer peripheral surface of the top frame, the middle insulation board is detachably mounted on the outer peripheral surface of the middle frame, the bottom insulation board is detachably mounted on the outer peripheral surface of the bottom frame, the water absorbing slow-release component comprises a top slow-release component, a middle slow-release component and a bottom slow-release component, the top slow-release component is detachably mounted on the upper end surface of the top template, the middle slow-release component is detachably mounted on the outer peripheral surface of the middle template, and the bottom slow-release component is detachably mounted on the outer peripheral surface of the bottom template.

3. The marine concrete curing device according to claim 2, characterized in that: A plurality of intermediate longitudinal ribs and a plurality of intermediate transverse ribs are fixedly provided on the outer circumference of the intermediate template, and a plurality of intermediate longitudinal ribs and a plurality of intermediate transverse ribs are formed between the plurality of intermediate longitudinal ribs and the plurality of intermediate transverse ribs, and the intermediate slow-release member covers the intermediate partition cavities; a plurality of bottom longitudinal ribs and a plurality of bottom transverse ribs are fixedly provided on the outer circumference of the bottom template, and a plurality of bottom longitudinal ribs and a plurality of bottom transverse ribs are formed between the plurality of bottom longitudinal ribs and the plurality of bottom transverse ribs, and the bottom slow-release member is arranged in the bottom partition cavities.

4. The marine concrete curing device according to claim 2, characterized in that: The swinging spray assembly includes a swinging drive mechanism, a water inlet pipe, a water spray pipe and a nozzle. The water inlet pipe is in an inverted T shape. The vertical pipe body of the water inlet pipe passes through the rotating shaft upward and is fixedly connected to the rotating shaft. The rotating shaft is rotatably installed in the bearing seat through a first bearing. The bearing seat is fixedly installed on the upper end of the top frame. The swinging drive mechanism is used to drive the rotating shaft to rotate reciprocatingly to drive the water spray pipe to swing reciprocatingly. The water spray pipes are respectively installed at both ends of the transverse pipe body of the water inlet pipe. The water spray pipe is in an inverted L shape. A plurality of the nozzles are installed on the water spray pipe at intervals along its extension direction.

5. The marine concrete curing device according to claim 4, characterized in that: The swing drive mechanism includes a drive motor, a rotating disk, a connecting rod, a rack, a gear, and a sliding device. The drive motor is fixedly installed at the upper end of the top skeleton, and its motor shaft extends downward into the top skeleton and is fixedly installed with the rotating disk. An eccentric shaft is fixedly provided at an eccentric position on the lower end surface of the rotating disk. One end of the connecting rod is rotatably connected to the eccentric shaft, and the other end is rotatably connected to a fixed shaft on one end of the rack. The rack is slidably connected to the top skeleton through the sliding device. The sliding device includes a slidably matched slider and a slide rail. The slider is fixedly installed on the upper end surface of the rack, and the slide rail is fixedly installed on the top skeleton. The rack is in meshing transmission with the gear. The lower end of the rotating shaft extends downward into the top skeleton and is fixedly installed with the gear. A protective cover for covering the drive motor and the bearing seat is fixedly installed at the upper end of the top skeleton. The upper end of the vertical pipe body extends upward and passes through the protective cover. An insertion hole adapted to the protective cover is provided on the top heat insulation plate.

6. The marine concrete curing device according to claim 4, characterized in that: The water spraying pipe includes a top pipe body, at least one intermediate pipe body, and a bottom pipe body that are detachably connected in sequence. The number of the intermediate pipe bodies is the same as and corresponds one by one to the number of the intermediate skeletons. A rolling guiding device is provided between the bottom end of the bottom pipe body and the bottom skeleton. The rolling guiding device includes a rolling seat, a ball, an annular limiting cover, and an arc-shaped guiding plate. The upper end of the rolling seat is detachably connected to the bottom end of the bottom pipe body. A rolling groove adapted to the ball is provided at the bottom end of the rolling seat. The annular limiting cover is detachably installed at the bottom end of the rolling seat. The ball is arranged in the rolling groove and one side surface of the ball penetrates through the annular limiting cover. The arc-shaped guiding plate is fixedly installed in the bottom frame body. An arc-shaped guiding groove adapted to the ball is provided on the upper end surface of the arc-shaped guiding plate. The ball is rollingly supported in the arc-shaped guiding groove.

7. The marine concrete curing device according to claim 1, characterized in that: The water absorption and slow release member includes a fast water absorption layer and a water storage and slow release layer arranged in layers. The fast water absorption layer is arranged on the side close to the heat insulation cavity. A large-pore absorption microporous structure that is large and sparse is provided in the fast water absorption layer. A small-pore absorption microporous structure that is small and dense is provided in the water storage and slow release layer. The fast water absorption layer is used to quickly absorb water ice and quickly penetrate the water into the water storage and slow release layer. The water storage and slow release layer is used to quickly and evenly disperse and store the water permeated from the fast water absorption layer and slowly release it to the inner template side.

8. The marine concrete curing device according to claim 1, characterized in that: At least one exhaust fan is installed on the outer peripheral surface of the top skeleton. At least one notch corresponding to the exhaust fan is provided on the outer peripheral surface of the top heat insulation plate. A plurality of air inlets are provided on the bottom heat insulation plate, and air inlet pipes adapted thereto are installed in the air inlets. The air inlet pipes are in the shape of a horn with a wide outer part and a narrow inner part.

9. The marine concrete curing device according to claim 1, wherein: The outer peripheral surface of the sun protection and heat insulation plate is coated with a sun protection coating layer. A heat preservation cavity is provided in the sun protection and heat insulation plate, and a phase change material is filled in the heat preservation cavity.

10. Method for curing marine concrete, characterized in that: Using the offshore concrete curing device according to any one of claims 1-9 for curing, includes the following steps: Step 1: Uniformly cover and spray water on the water absorption and slow release member through the swing spraying assembly; Step 2: The water absorption and slow-release component absorbs and stores the sprayed water, slowly releases the water towards the inner formwork side, then penetrates through the water-permeable holes on the inner formwork, and wets the water-permeable formwork cloth to continuously keep the outer surface of the marine concrete in a wet state.

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