Flow-guide-type composite wall board comprising foamed structure and prefabricated parts, and manufacture method thereof Technical Field The present invention relates to the technical field of building wall board structure design and its application, particularly provides a flow-guide-type composite wall board comprising foamed structure and prefabricated parts, and manufacture method thereof. Background art With the rapid development of construction industry, it is an important development direction of green building boards to achieve fast assembling, highly efficient heat insulation, sound insulation and fire protection. However, most of conventional building composite wall boards adopt single core materials. At present, with one single core material, the comprehensive performance of heat insulation, sound insulation, light weight and high strength etc. cannot be well achieved. In addition, the manufacture processes of conventional composite wall boards are generally complex, heavy in labor-intensity, demanding on environmental and climatic conditions when constructing and installing, prone to form dust resulting in environmental pollutions. In order to overcome the above-mentioned deficiencies in the prior art, it is eager to obtain flow-guide-type composite wall board comprising foamed structure and prefabricated parts, which has advantageous technical effect, and manufacture method thereof. Summary of the invention An object of the present invention is to solve the problem of building wall boards in the prior art which cannot simultaneously satisfy the good properties of heat insulation, sound insulation, light weight, high strength etc.. Specifically, the present invention provides a flow-guide-type composite wall board comprising foamed structure and prefabricated parts, and manufacture method thereof. Said wall boards are simple in structure and manufacture process. The present invention relates to a flow-guide-type composite wall board comprising foamed structure and prefabricated pars, consisting of a foamed structure 2, prefabricated parts 3, a flow-guide frame 4 and face panels 1, characterized in that the flow-guide frame 4 is a plate-like structure, the plate face of which is arranged perpendicularly to the face panel 1; the flow-guide-type composite wall board comprising foamed structures and prefabricated parts, as a whole, is divided into multiple cell blocks by the flow-guide frame 4; every cell block is 1 specifically a foamed structure 2 or a prefabricated part 3; the flow-guide-frame 4 is located between the foamed structure 2 and the prefabricated parts 3 and/or along the circumference of the whole flow-guide-type composite wall board comprising foamed structure and prefabricated parts; the number of the face panels 1 is two. On the cross-section of the plate face at which the whole flow-guide-type composite wall board comprising foamed structure and prefabricated parts is located, the maximum cross sectional area of prefabricated parts 3 is 75% of the total cross sectional area to ensure that the comprehensive performance indexes of heat insulation and sound insulation of the composite wall board satisfy the relevant construction standards for building. Additionally, it should be emphasized that, when the cross sectional area of the prefabricated parts is greater than 75%, the adhesion area by foaming is lower than 25% of the total cross sectional area of the face panel, so that the adhesion by foaming will not be firm. Specifically, the prefabricated parts 3 can be sound-insulating and heat-insulating plate-like components which contain air, the thickness thereof is 50 mm-100 mm, the unit weight thereof is 30 kg/m 3 -150 kg/M 3 . According to the present invention, said flow-guide-type composite wall board comprising foamed structure and prefabricated parts further meets the following requirements: the material of prefabricated parts 3 is one of the following materials: rock wool board, centrifugal glass wool board, perlite board, aluminum silicate wool board, and foamed cement board; when the material of prefabricated parts 3 is rock wool board, the thickness thereof is 50mm-1 00mm, and the unit weight thereof is 40 kg/m 3 -80 kg/M 3 . The structural shape of the foamed structure 2 satisfies one of the following requirements or a shape formed by some combination thereof in the longitudinal or transverse directions: E -shaped structure, F' -shaped structure, 9 -shaped structure, L -shaped structure, and triangular structure, that is, said composite wall board comprising foamed structure and prefabricated parts can be a combination of any structure units, and the size of structure unit can be set arbitrarily based on practical requirements. At the same time, the specific structural shape of each structural unit can be: H-shaped structure, P -shaped structure, 9-shaped structure, T -shaped structure, and triangular structure. The material of said foamed structure 2 is polyurethane foam. The material of said flow-guide frame 4 is specifically light steel sheet, PVC or other materials that can achieve the purpose of flow guiding. 2 The present invention further relates to a method for manufacturing flow-guide-type composite wall board comprising foamed structure and prefabricated parts, characterized in that the requirements of said manufacturing method are as follows in sequence: first, laying a piece of face panel 1, arranging the flow-guide frame 4 at the circumference of and in the interior of the face panel 1 in accordance with design requirements, wherein the flow-guide frame 4 is a plate-like structure, the plate face of which is arranged perpendicularly to the face panel 1; the flow-guide frame 4 arranged at the circumference of the face panel 1 is a continuously annular structure; then, filling the prefabricated parts 3 in the space of the assembled cell blocks divided and reserved by the flow-guide frame 4 arranged in the interior of the face panel 1; on the cross-section of the plate face at which the whole flow-guide-type composite wall board comprising foamed structure and prefabricated parts is located, the maximum cross sectional area of prefabricated parts 3 is 75% of the total cross sectional area; when the cross sectional area of the prefabricated parts is greater than 75%, the adhesion area by foaming is lower than 25% of the total cross sectional area of the face panel, which makes that the adhesion by foaming is not firm; the height of the filled prefabricated parts 3 is not higher than the height of the flow-guide frame 4 to ensure that the inner face panel and the outer face panel can be bonded tightly with the flow-guide frame 4 when they are combined; then, laying another piece of the face panel 1; so far, the entire internal space enclosed together by the flow-guide frame 4 and two pieces of face panels 1 is divided into multiple cell blocks, i.e. multiple closed chambers, by the flow-guide frame 4 arranged in the interior of the face panel 1; and on the connected chamber close to the flow-guide frame 4 arranged at the circumference of the face panel 1, i.e. the outermost cell block, setting a opening 804 for introducing the foaming material; then, fixing, with clamping fixtures, the whole set which has been installed with the flow-guide frame 4 and pre-filled with the prefabricated parts 3 between two pieces of face panels 1; then, introducing the foaming material through opening 804 for introducing the foaming material, wherein the requirements of the introducing are: the reaction temperature being 40-50'C, the foam density being 37-44 kg/M 3 (when the foam density is lower than 37 kg/M 3 , the heat insulation effect of the composite board as a whole cannot satisfy the requirements; when foam density is higher than 44 kg/m 3 , the sound insulation performance of the composite board is unsatisfactory and uneconomical), and calculating the injection time under the injection speed of 1.5-2 L/second a according to the volume of the foamed polyurethane inside the board (when the injection speed is lower than 1.5 L/second, it is not easy for the polyurethane foam being injected into the inside of the board to fill into the interior of the board; when the injection speed is higher than 2 L/second, the injection time is difficult to be controlled); performing the introducing operation by injecting foaming material into the board; after the injection is finished, the foaming material expanding gradually along the flow-guide frame 4 and filling the internal space of the flow-guide frame 4; when there is a small amount of polyurethane foam overflowing from all the vent holes around the board, it is proved that 3 polyurethane foam has filled the internal chambers of the composite board. After aging the polyurethane foaming material for 20-30 minutes, the foamed structure 2 bonds the face panels 1 and the flow-guide frame 4 together; then, cleaning the polyurethane foaming material overflew from the vent holes and the opening for introducing the foaming material; then, removing the clamping fixtures to obtain the flow-guide-type composite wall board comprising foamed structure and prefabricated parts. Said method for manufacturing a flow-guide-type composite wall board comprising foamed structure and prefabricated parts, characterized in that: the material of flow-guide frame 4 is specifically light steel sheet, PVC or other materials that can achieve the purpose of flow guiding; examples of said other materials is the following: metallic and non-metallic materials such as [-shaped steel, wood frame, bamboo frame, wood plastic composite frame, aluminum alloy profile; the material of the foamed structure 2 is specifically polyurethane foam, the finished product thereof having a density of 37-44 kg/M 3 ; the structure shape of the finished product of the foamed structure 2 satisfies one of the following requirements or a shape formed by a combination thereof in the longitudinal or transverse directions: E -shaped structure, P -shaped structure, 9 -shaped structure, EE -shaped structure, and triangular structure, that is, said composite wall board comprising foamed structure and prefabricated parts can be a combination of any structure units, the size of structure unit can be set arbitrarily based on practical requirements. At the same time, the specific structural shape of each structural unit can be H -shaped structure, N -shaped structure, M -shaped structure, 2 -shaped structure, and triangular structure; the material of said foamed structure 2 is polyurethane foam; said prefabricated parts 3 is specifically rock wool board, the thickness thereof is 50mm-1 00mm, and the unit weight thereof is 40 kg/m 3 -80 kg/m 3 . Said prefabricated parts 3 are specifically sound-insulating and heat-insulating plate-like components which contain air, such as rock wool board, centrifugal glass wool board, perlite board, aluminum silicate wool board, and foamed cement board. The preferred combination in said flow-guide-type composite wall board comprising foamed structure and prefabricated parts according to the present invention is: outer face panel + polyurethane foam + rock wool + flow-guide frame + inner face panel; one of the following light boards is adopted as each of the face panel 1: cement fiber board and/or magnesium oxide board, clay board, fiber cement board, calcium silicate board, 4 gypsum board, ETERPAN board, glass, fiber glass reinforced plastics board, thin ceramic tiles, acrylic sheet, sunlight panel, polycarbonate endurance panel, honeycomb panel, wood panel, thin stone panel, stainless steel sheet, aluminum single panel, aluminum composite panel, copper composite panel, steel sheet, copper sheet, titanium alloy panel, color steel panel, aluminum zinc alloy panel. More preferably, cement fiberboard or magnesium oxide board is adopted as the face panel 1. According to architectural requirements, the inner face panel is located inside the building wall, the outer face panel is located outside the building wall. The material and thickness of the inner face panel and the outer face panel can be selected respectively according to practical requirements to achieve optimal comprehensive performance requirements. Said prefabricated parts 3 are specifically sound-insulating and heat-insulating plate-like components which contain air, specifically, the materials of which are any one of the following materials or any combination thereof: rock wool board, centrifugal glass wool board, perlite board, aluminum silicate wool board, foamed cement board, etc., preferably, cement fiberboard + polyurethane foam + rock wool + flow-guide frame + magnesium oxide panel. In the present invention, the term "plate face" refers to the two largest surfaces of a plate-like structural member, and the rest surfaces except the two largest surfaces are side surfaces of plate-like structural member in thickness direction. The manufacture method of the flow-guide-type composite wall board comprising foamed structure and prefabricated parts comprises: as shown in Fig. 3, for example, C-shaped light steel keel 401 used as a flow-guide frame 4 is processed into four pieces of frame borders each with 450 angle at both ends. The frame borders are divided into upper horizontal frame border, lower horizontal frame border, left vertical frame border, and right vertical frame border, the four frame borders are connected from head to tail in order, and the junction of the four frame borders is mechanically connected using L-shaped bracket joint of galvanized steel and fastener 403; four prefabricated rectangular light steel sheets 402 with connection flange are attached by fasteners 403 to the frame borders of light steel keel to compose light steel keel flow-guide frame. The shape of the flow-guide frame 4 of the light steel keel is not limited to the rectangle in Fig.3, it can be manufactured into various shapes according to practical requirements of building, such as diamond, triangle. The advantages and positive effects of the present invention are: as compared with the prior art, the core material filled in the wall board of the present invention can consist of polyurethane foaming layer and prefabricated parts embedded with rock wool boards, which combines the advantages of both, not only significantly improving heat insulation and sound insulation properties of the board, but also taking into account the light weight and high structural strength of the board per se. The wall board of the present invention can better meet the relevant standards and requirements of building construction and achieve good performance indexes and has high performance-price ratio, which is simple in structure and relatively easy to manufacture, and has predictable great economic and social value. 5 Brief description of the drawings Figure 1: one of structural schematic diagram of the composite wall board comprising foamed and prefabricated parts (a sectional view of the cross section of the plate face) Figure 2: A-A sectional view of Figure 1; Figure 3: a structural diagram of light steel keel flow-guide frame; Figure 4: the second structural schematic diagram of the composite wall board comprising foamed and prefabricated parts; Figure 5: B-B sectional view of Figure 4; Figure 6: the third structural schematic diagram of the composite wall board comprising foamed and prefabricated parts; Figure 7: C-C sectional view of Figure 6; Figure 8: a schematic diagram of the manufacture process of the composite wall board. Embodiments In Figure 3, the numbers have following meanings: 401 denotes light steel keel frame border, 402 denotes light steel sheet, 403 denotes fasteners. In Figure 8, the numbers have following meanings: 801 denotes clamping fixture, 802 denotes the whole set of composite wall board after assembly and before injection of foaming material, 803 denotes vent hole for foaming, 804 denotes the opening for introducing the forming material, 805 denotes injection gun of foam. Example 1 A flow-guide-type composite wall board comprising foamed structure and prefabricated parts consisting of a foamed structures 2, prefabricated parts 3, a flow-guide frame 4 and face panels 1, wherein: the flow-guide frame 4 was a plate-like structure, the plate face of which was arranged perpendicularly to the face panel 1; the flow-guide-type composite wall board comprising foamed structures and prefabricated parts, as a whole, was divided into multiple cell blocks by the flow-guide frame 4; every cell block was specifically a foamed structure 2 or a prefabricated part 3; the flow-guide-frame 4 was located between the foamed structure 2 and the prefabricated parts 3 and/or along the circumference of the whole flow-guide-type composite wall board comprising foamed structure and prefabricated parts; the number of the face panels 1 is two. 6 On the cross-section of the plate face at which the entire flow-guide-type composite wall board comprising foamed structure and prefabricated parts was located, the cross sectional area of prefabricated parts 3 occupied 65% of the total cross sectional area to ensure that the comprehensive performance indexes of heat insulation and sound insulation of the composite wall board satisfied the relevant construction standards for building, and simultaneously ensure enough adhesive area by foaming to ensure firmness of adhesion by foaming. The prefabricated parts 3 were specifically sound-insulating and heat-insulating plate-like components which contain air. The material of prefabricated parts 3 was rock wool board, the thickness thereof was 50 mm-100 mm, the unit weight thereof was 40 kg/m 3 -80 kg/M 3 . The structure shape of foamed structure 2 was a shape formed by combining two s -shaped structure in the transverse direction, the material of said foamed structure 2 was polyurethane foam. The material of said flow-guide frame 4 was specifically light steel sheet or PVC. The example also related to the method for manufacturing the flow-guide-type composite wall board comprising foamed structure and prefabricated parts, the requirements of said manufacturing method were as follows in sequence: first, a piece of face panel 1 was laid, and a flow-guide frame 4 was arranged at the circumference of and in the interior of the face panel 1 in accordance with design requirements, the flow-guide frame 4 was a plate-like structure, the plate face of which was arranged perpendicularly to the face panel 1; the flow-guide frame 4 arranged at the circumference of the face panel 1 was a continuously annular structure; then, the prefabricated parts 3 was filled in the space of the assembled cell blocks divided and reserved by the flow-guide frame 4 arranged in the interior of the face panel 1; on the cross-section of the plate face at which the whole flow-guide-type composite wall board comprising foamed structure and prefabricated parts was located, the maximum cross sectional area of prefabricated parts 3 is 75% of the total cross sectional area; when the cross sectional area of the prefabricated parts was higher than 75%, the adhesion area by foaming was lower than 25% of the total cross sectional area of the face panel, which makes that the adhesion by foaming was not firm; the height of filled prefabricated parts 3 was not higher than the height of the flow-guide frame 4 to ensure that the inner face panel and the outer face panel were bonded tightly with the flow-guide frame 4 when they were combined; then, another piece of the panel 1 was laid; so far, the entire internal space enclosed together by the flow-guide frame 4 and two pieces of face panels 1 was divided into multiple cell blocks, i.e. multiple closed chambers, by the flow-guide frame 4 arranged in the interior of the face panel 1; and on the connected chamber close to the flow-guide frame 4 arranged at the 7 circumference of the face panel 1, i.e. the outermost cell block, a common opening 804 for introducing the foaming material was set ; then, the whole set was fixed with clamping fixtures, which was installed with the flow-guide frame 4 and pre-filled with the prefabricated part 3 between two pieces of face panels 1; then, the introducing operation of the foaming material was carried out through the opening 804 for introducing the foaming material, wherein the requirements of the introducing were: the reaction temperature was 40-50'C, the foam density was 37-44 kg/M 3 (when the foam density was lower than 37 kg/M 3 , the heat insulation effect of the composite board whole could not satisfy the requirements; when foam density was higher than 44 kg/M 3 , the sound insulation performance of the composite board was not unsatisfactory and uneconomical), and according to the volume of the foamed polyurethane inside the board, the injection time was calculated under the injection speed of 1.75 L/second (when the injection speed was lower than 1.5 L/second, it is not easy for the polyurethane foam being injected into the inside of the board to fill into the interior of the board; when the injection speed was higher than 2 L/second, the injection time was difficult to control, the optimal effect was achieved at an injection speed of 1.75 L/second), the introducing operation was performed by injecting foaming material into the board; after the injection was finished, the foaming material expanded gradually along the flow-guide frame 4 and filled the internal space of the flow-guide frame 4; when there was a small amount of polyurethane foam overflowing from all the vent holes around the board, it was proved that polyurethane foam had filled the internal chambers of the composite board; after the polyurethane foaming material was aged for 20-30 minutes, the foamed structure 2 bonded the face panels 1 and the flow-guide frame 4 together; then, the polyurethane foaming material overflew from the vent holes and the opening for introducing the foam material were cleaned; and the clamping fixtures were removed to obtain the flow-guide-type composite wall board comprising foamed structure and prefabricated parts. The material of the flow-guide frame 4 was specifically light steel sheet, PVC. The foamed structure 2 adopted specifically polyurethane foam; the finished product thereof had a density of 37-44 kg/M 3 . The material of said foamed structure 2 was polyurethane foam. The prefabricated part 3 was rock wool board, the thickness thereof is 50mm-1 00mm, and the unit density thereof is 40 kg/m 3 -80 kg/M 3 . One of the following light boards was adopted as the face panel 1: cement fiberboard, magnesium oxide board. According to architectural requirements, the inner face panel was located inside building wall, the outer face panel was located outside the building wall; the material and thickness of the inner face panel and the outer face panel was selected 8 respectively according to practical requirements to achieve optimal comprehensive performance requirements. The combined form of the flow-guide-type composite wall board comprising foamed structure and prefabricated parts described in the example was: outer face panel (cement fiberboard) + polyurethane foam + rock wool + flow-guide frame + inner face panel (magnesium oxide panel). In the example, the term "plate face" referred to the two largest surfaces of a plate-like structural member, and the rest surfaces except the two largest surfaces were side surfaces of plate-like structural member in thickness direction. The manufacture method of the flow-guide-type composite wall board comprising foamed structure and prefabricated parts comprised: as shown in Fig. 3, for example, C-shaped light steel keel 401 used as a flow-guide frame 4 was processed into four pieces of frame borders each with 450 angle at both ends. The frame borders were divided into upper horizontal frame border, lower horizontal frame border, left vertical frame border, and right vertical frame border. The four frame borders were connected from head to tail in order, and the junction of the four frame borders was mechanically connected using L-shaped bracket joint of galvanized steel and fastener 403; four prefabricated rectangular light steel sheets 402 with connection flange were attached by fasteners 403 to the frame border of light steel keel to compose light steel keel flow-guide frame. The shape of the flow-guide frame 4 of the light steel keel was not limited to the rectangle in Fig.3, it was manufactured into various shapes according to practical requirements of building, such as diamond, triangle. The advantages and positive effects of the example were: as compared with the prior art, the core material filled in the wall board of the example consisted of polyurethane foaming layer and prefabricated parts embedded with rock wool boards, which combined the advantages of both, not only significantly improving heat insulation and sound insulation properties of the board, but also taking into account the light weight and high structural strength of the board per se. The wall board met better the relevant standards and requirements of building construction, and achieved good performance indexes and had high performance-price ratio, which was simple in structure and relatively easy to manufacture, and had predictable great economic and social value. Example 2 The example was substantially identical to example 1 except, as shown in Figs.4 and 5, the structure shape of foamed structure 2 was E -shaped structure unit or a combination of more M-shaped structure units. Example 3 9 The example was substantially identical to example 1 except, as shown in Figs. 6 and.7, the structure shape of foamed structure 2 was 9 -shaped structure unit or a combination of more P-shaped structure units. Example 4 The example was substantially identical to example 1 except: on the cross-section of the plate face at which the whole flow-guide-type composite wall board comprising foamed structure and prefabricated parts was located, the maximum cross sectional area of prefabricated parts 3 was 75% of the total cross sectional area to ensure that the comprehensive performance indexes of heat insulation and sound insulation of the composite wall board satisfied relevant construction standards for building; the prefabricated parts 3 were specifically sound-insulating and heat-insulating plate-like components which contain air, the material thereof was one of the following materials: centrifugal glass wool board, perlite board, aluminum silicate wool board, and foamed cement board; the structural shape of the foamed structure 2 satisfied one of the following requirements or a shape formed by some combination thereof in the longitudinal or transverse directions: E -shaped structure, '-shaped structure, E -shaped structure, I -shaped structure, and triangular structure, that was, said composite wall board comprising foamed structure and prefabricated parts could be a combination of any structure units, the size of structure unit could be set arbitrarily based on practical requirements. At the same time, the specific structural shape of each structural unit could be F-shaped structure, s-shaped structure, -shaped structure, 2 -shaped structure, and triangular structure; The material of said foamed structure 2 was other available materials which were different from polyurethane foam; the material of the flow-guide frame 4 was specifically metallic and non-metallic materials, such as [-shaped steel, wood frame, bamboo frame, wood- plastic composite frame, aluminum alloy profile; the material of said foamed structure 2 was specifically polyurethane foam, the finished product thereof had a density of 37-44 kg/M 3 ; the structure shape of the finished product of the foamed structure 2 satisfied one of the following requirements or a shape formed by a 10 combination thereof in the longitudinal or transverse directions: E -shaped structure, 9 -shaped structure, ' -shaped structure, N -shaped structure, and triangular structure, that was, said composite wall board comprising foamed structure and prefabricated parts could be a combination of any structure units, the size of structure unit could be set arbitrarily based on practical requirements. At the same time, the specific structural shape of each structural unit could be E -shaped structure, E -shaped structure, E -shaped structure, T -shaped structure, and triangular structure; one of the following light boards was adopted as the face panel 1: cement fiberboard and/or magnesium oxide board, clay board, fiber cement board, calcium silicate board, gypsum board, ETERPAN board, glass, fiber glass reinforced plastics board, thin ceramic tiles, acrylic sheet, sunlight panel, polycarbonate endurance panel, honeycomb panel, wood panel, thin stone panel, stainless steel sheet, aluminum single panel, aluminum composite panel, copper composite panel, steel sheet, copper sheet, titanium alloy panel, color steel panel, aluminum zinc alloy panel. The shape of the flow-guide frame 4 was not limited to the rectangle in Fig.3, it was manufactured into various shapes according to practical requirements of building, such as, diamond, triangle. Example 5 The example was substantially identical to example 1 except: on the cross-section of the plate face at which the whole flow-guide-type composite wall board comprising foamed structure and prefabricated parts was located, the cross sectional area of prefabricated parts 3 occupied 45% of the total cross sectional area to ensure that the comprehensive performance indexes of heat insulation and sound insulation of the composite wall board satisfied relevant construction standards for building; the material of prefabricated parts 3 was one of the following materials: rock wool board, centrifugal glass wool board, perlite board, aluminum silicate wool board, and foamed cement board; the structure shape of the foamed structure 2 satisfied one of the following requirements or a shape formed by a combination thereof in the longitudinal or transverse directions: E -shaped structure, E -shaped structure, E -shaped structure, E -shaped structure, and triangular structure, that was, said composite wall board comprising foamed structure and prefabricated parts could be a combination of any structure units, the size of structure unit could be set arbitrarily based on practical requirements. At the same time, the specific structural shape of 11 each structural unit could be E -shaped structure, I -shaped structure, E -shaped structure, i -shaped structure, and triangular structure; The material of said foamed structure 2 was other available materials which were different from polyurethane foam; the material of flow-guide frame 4 was specifically light steel sheet, PVC or other materials that could achieve the purpose of flow guiding; In the method of manufacturing the flow-guide-type composite wall board comprising foamed structure and prefabricated parts, the introducing operation of the foaming material was carried out through the opening 804 for introducing the foaming material, the requirements of the introducing were: the reaction temperature was 40-50'C, the foam density was about 40 kg/M 3 , and according to the volume of the foamed polyurethane inside the board, the injection time was calculated under the injection speed of 1.5-2 L/second, the introducing operation was performed by injecting foaming material into the board. 12