52results about "Cooling plants" patented technology

A green energy-saving cold store is provided, including a cold room, a platform, a machine room, and a refrigerating system. A drying layer (1) is arranged below the first floor of the cold room; a ground heat insulation layer (2) is moved downwards into the drying layer (1) and is separated from a first floor slab (3); an inner wall (4), an internal partition wall, and the wear-resistant waterproof floor (33) are directly located on the first floor slab (3) and integrated with a frame structure; a peripheral protective wall adopts a light steel structure wall surface (14), and is connected to the frame structure by means of ball joint tie beams (15) at the intersection points between frame beams and columns. The cold store is energy-saving and environment-friendly, and has good anti-seismic and fireproof performance.

This utility model discloses a suspended reinforced concrete cooling tower, including a supporting outer shell frame. A suspension rod is fixedly connected to the lower end of the suspension rod, and a packing substrate is fitted onto the outer wall of the suspension rod. Suspension holes are formed on the inner wall of the packing substrate. The suspension rod is inserted into the suspension holes, and locking blocks are installed at both ends of the suspension rod. This suspended reinforced concrete cooling tower suspends the water distribution main pipe and the packing substrate using a suspension structure. It utilizes a three-layer cooling system with a water collector plate assembly, supported by the water collector at the top and reinforced concrete support inside the tower. This increases the surface area for water-air exchange on the packing surface, reduces airflow resistance, increases packing utilization, and simultaneously reduces the height of the cooling tower, decreasing pump energy consumption and improving performance. Furthermore, the water collector plate is positioned and installed using positioning slots and positioning blocks, and the water distribution main pipe is fastened using main pipe fasteners, resulting in more stable installation.

The invention relates to a sealing device for sealing a rear-opening truck box body against a facade portal during loading and unloading with refrigerated goods. According to the invention, rope pulley guides are arranged at the deflection points of the elastic cords or bands instead of ring guides or pipe bends, wherein the rope pulleys can be located in a sleeve to ensure tracking accuracy. According to the invention, it is advantageous that the roller guidance of the elastic cords minimizes their friction losses, which also significantly accelerates the venting process and minimizes the wear of the elastic cords or tapes, thus improving the overall functionality of the sealing device.

The embodiment of the invention provides a cooling tower and a construction method. Relates to the technical field of fabricated buildings. The cooling tower comprises a ring foundation, a cylinder wall and a plurality of supporting assemblies, each supporting assembly comprises a prefabricated supporting column, a supporting piece and an embedded part, the supporting piece is arranged at one end of the prefabricated supporting column, the embedded part is arranged on the ring foundation in advance, the supporting piece is connected with the embedded part, and the supporting piece and the embedded part are poured to form a buttress; the cylinder wall is arranged on the top of the prefabricated supporting column. The cooling tower achieves the effect of improving the construction efficiency.

The invention relates to the technical field of steel structure buildings, and discloses a steel structure cooling tower installation method and a jig frame structure.The steel structure cooling tower installation method comprises the steps that an overall coordinate system is established based on a target layer annular structure, and angular point coordinates of a target triangular unit in the overall coordinate system are calculated based on the outer chord diameter and the inner chord diameter of the annular structure; calculating the coordinate value of each angular point of the target triangular unit in the local coordinate system; calculating the coordinate value of each angular point of the target triangular unit in the target coordinate system; the chord member and the node ball are placed on the jig frame structure, and the jig frame structure is adjusted and positioned based on the angular point coordinates under the target coordinate system; all the n triangular units are installed in sequence, and the annular structure of the target layer is formed. According to the installation method of the steel structure cooling tower, by establishing the multi-stage coordinate system conversion model, space positioning calculation in the construction process is simplified, and the installation precision and efficiency are improved.

A modular heat exchange system is provided. The modular heat exchange system includes an air inlet assembly, a plenum assembly, and a heat exchange assembly including at least one heat exchange module. The at least one heat exchange module includes at least one fill module. The at least one fill module includes a plurality of fill sheets arranged on at least one support member. The at least one support member includes a first end and a second end. A plurality of fill packs is also provided on the at least one support member. Each fill pack includes a plurality of bonded fill sheets. A first fill pack is coupled to the first end of the at least one support member and a second fill pack is coupled to the second end of the at least one support member.

The utility model discloses a cold storage insulation board which comprises a square board body and a long-strip-shaped installation board, a first protruding strip and a second protruding strip are arranged on one set of two adjacent side edges of the board body respectively, one end of the first protruding strip is connected to one end of the second protruding strip, and an L-shaped structure is formed. A first gap is formed between the other end of the first raised line and the end part of the corresponding side edge, and a second gap is formed between the other end of the second raised line and the end part of the corresponding side edge; a first slot corresponding to the first raised line and a second slot corresponding to the second raised line are respectively formed in the other group of two adjacent side edges of the plate body; and the mounting plates are mounted at the joints of the two adjacent groups of plate bodies. The mounting plates are mounted at the joints between the adjacent plate bodies, so that the plate bodies have high connecting strength after being laid, the connecting stability and compactness of the adjacent plate bodies are improved, and meanwhile, the joints of the plate bodies are protected and prevented from being deformed and damaged.

The invention discloses a natural ventilation cooling tower inner wall corrosion prevention method adaptive to an extreme temperature difference environment, and belongs to the technical field of cooling tower corrosion prevention. Comprising the steps that leakage treatment is conducted, specifically, according to cracks, honeycomb-shaped defects and holes in the inner wall of the cooling tower, drilling is conducted by adopting drilling parameters matched with the extreme temperature difference, after a grouting water stop needle is embedded, a corresponding grouting material is injected according to the dry and wet state of a leakage part, after grouting is completed, preset time is observed, and after it is confirmed that no leakage exists, the grouting needle is cut off, and a needle hole is plugged; the exposed ribs on the inner wall of the cooling tower are subjected to rust removal, a cracked and warped concrete protection layer and loose concrete are chiseled away, the concrete missing position is repaired with anti-crack mortar, and the water content of the inner wall is controlled to be smaller than or equal to 8% by flushing a cylinder body for standby application; and anti-corrosion coating is conducted, specifically, the surface of the treated base layer is sequentially coated with cyanogen setting permeable seal primer, cyanogen setting intermediate paint and cyanogen setting waterproof and anti-corrosion finish paint.

The utility model provides a heat insulation sandwich panel for a combined refrigeration house, which comprises an outer layer panel, an inner layer panel and an outer layer panel, the inner-layer substrate is used for providing internal support; the heat insulation filling material is filled between the outer-layer panel and the inner-layer substrate and is used for reducing heat conduction; the splicing frames are arranged on the edges of the two sides of the sandwich board and used for being connected with other sandwich boards; the lock catch groove is formed in the outer side of the splicing frame on one side; the splicing frame on the other side is provided with a lock catch groove, the splicing flange is arranged on the outer side of the splicing frame on the other side, the splicing flange comprises a gradually-changed section to enhance the attaching performance, the lock catch groove is matched with the splicing flange in an embedded mode to achieve fastening between the adjacent sandwich boards, and the inner wall of the splicing frame is provided with a groove; the grooves are filled with sealing gaskets so as to improve the sealing performance when the adjacent sandwich boards are spliced. Through the scheme of the embodiment of the invention, the cold bridge effect can be reduced.

The utility model relates to a bubble filling type cold storage splice plate which comprises a first inserting plate and a second inserting plate. The second inserting plate is inserted into one side of the first inserting plate, and a bubble filling groove is formed in the inserting position of the first inserting plate and the second inserting plate; and the bubble filling hole penetrates through the first insertion plate and is communicated with the bubble filling groove. According to the foam filling type cold storage splice plate, the foam filling groove is reserved in the inserting position of the first inserting plate and the second inserting plate which are connected in an inserted mode, polyurethane materials are injected into the foam filling groove after splicing is completed, filling is more compact, the heat preservation performance of a wall is improved, the phenomenon of cold leakage is avoided, construction is easy and convenient, the heat preservation effect is good, and cost is low.

The invention relates to the technical field of heat preservation storage equipment, in particular to a sectional material combined frame, stand columns, heat preservation plates and a modularized heat preservation storeroom, the sectional material combined frame, the stand columns, the heat preservation plates and the modularized heat preservation storeroom are formed by splicing a plurality of wall storeroom plate frames, floor frames and ceiling frames, and each of the wall storeroom plate frames, the floor frames and the ceiling frames comprises a mother extrusion molding part and a son extrusion molding part; the primary extrusion molding part and the secondary extrusion molding part are spliced through connecting pieces to form a wall body warehouse plate frame, a floor frame and a ceiling frame; the main extrusion molding part is provided with a first groove matched with the auxiliary extrusion molding part, the auxiliary extrusion molding part is provided with a first protrusion matched with the first groove, and a first sealing sponge strip installation position is arranged on the contact face of the main extrusion molding part and the auxiliary extrusion molding part. The goals of independent and rapid assembly, efficient heat preservation, stability, durability and multi-scene flexible adaptation of the garage body are achieved.

The invention relates to a sealing device for sealing a rear-opening truck box body against a facade portal during loading and unloading with refrigerated goods. According to the invention, rope pulley guides are arranged at the deflection points of the elastic cords or bands instead of ring guides or pipe bends, wherein the rope pulleys can be located in a sleeve to ensure tracking accuracy. According to the invention, it is advantageous that the roller guidance of the elastic cords minimizes their friction losses, which also significantly accelerates the venting process and minimizes the wear of the elastic cords or tapes, thus improving the overall functionality of the sealing device.

This utility model discloses a modular cold storage unit with good insulation performance, relating to the field of cold storage technology. It includes a movable base with multiple insulation panels on its top, arranged in a ring structure. A common top plate is provided on the top of each insulation panel. An embedding groove is formed on one side of each insulation panel, and an embedding block is formed on the other side, the embedding block fitting into the embedding groove. Cavities are formed inside both sides of each insulation panel, connected by a through-hole. A hook post is installed inside one cavity, and a rotating column is rotatably connected to the inner wall of the other cavity. A locking hook is fixedly connected to the outer wall of the rotating column, fitting into the hook post. A rotating hole is formed on the surface of the insulation panel, communicating with the rotating column. This utility model prevents the insulation panels from loosening, thus improving the insulation quality of the cold storage unit.

This utility model relates to a cooling tower top railing structure and a cooling tower, including a tower body with an outer railing and an inner railing. The top of the tower body has a protrusion with a first fixing groove. The inner railing includes a first annular handrail tube and a first fixing tube extending downwards from the first handrail tube. The bottom of the first fixing tube is located within the first fixing groove. The bottom of the first handrail tube has a first notch, and the top of the first fixing tube mates with the first notch, and the top of the first fixing tube is welded to the first notch. The cooling tower top railing structure and cooling tower obtained by this utility model have the following advantages: the first fixing groove is used for the insertion and secondary pouring of the first fixing tube, allowing the first fixing tube to be firmly fixed within the first fixing groove, reducing the risk of breakage between the first fixing tube and the tower body; the first notch and the top of the first fixing tube mate, making the weld between the top of the first fixing tube and the first handrail tube more secure.

The utility model discloses a cold storage plate connecting structure which comprises a cold storage plate body, the outer wall of the cold storage plate body is fixedly connected with a fixed supporting shaft and a fixed protruding block respectively, the outer wall of the fixed supporting shaft is fixedly connected with a flat spiral spring, and the outer wall of the flat spiral spring is fixedly connected with a movable block. Positioning clamps are fixedly connected to the outer walls of the movable blocks, the fixed supporting shaft is of a T-shaped structure, the fixed supporting shaft is connected with the movable blocks in a penetrating mode, the movable blocks and the fixed supporting shaft form a rotating structure through flat spiral springs, and the two movable blocks are arranged on the outer wall of the fixed supporting shaft; according to the device, the cold storage plate body, the fixed supporting shaft, the flat spiral spring, the movable block, the positioning clamp and the fixed convex block are arranged, so that the function of facilitating preliminary positioning is achieved, the problem that shaking is prone to occurring during splicing due to the fact that positioning is not achieved is solved, and the operation convenience is effectively improved.

The invention discloses a cooling tower cylinder wall construction system, and relates to the technical field of industrial constructions.The cooling tower cylinder wall construction system comprises a tower crane arranged in a to-be-constructed cooling tower, a construction elevator and a small construction suspension bridge, the construction elevator is arranged between the tower crane and the cooling tower cylinder wall, and the small construction suspension bridge is arranged between the tower crane and the cooling tower cylinder wall; the small construction suspension bridge is arranged between the construction hoist and the cylinder wall of the cooling tower, the construction hoist is arranged on a standard knot of the tower crane in an attached mode, the small construction suspension bridge is arranged on the standard knot of the construction hoist, and the position of the small construction suspension bridge can be raised along with the continuous height increase of the cylinder wall of the cooling tower; the cooling tower cylinder wall construction system has the advantages of being capable of improving construction efficiency and construction safety and saving water resources.

This invention discloses a temporary support for a double-crossing steel-concrete composite X-column in an indirect cooling tower, belonging to the field of construction technology for thermal power plants. The temporary support includes a support base, a support frame detachably connected to the top of the support base, an adjusting frame detachably connected to the top of the support frame, a support column movably connected to the top of the adjusting frame, and a fine-tuning component for adjusting the height of the support column installed within the adjusting frame. A snap-fit ​​connector is rotatably connected to the top of the support column, and the snap-fit ​​connector is detachably connected to the steel-concrete composite X-column. The support base and the ring beam seat of the steel-concrete composite X-column are also detachably connected by bolts and nuts. The temporary support of this invention has good stability and can be automatically clamped and disassembled with the X-shaped inclined support through the snap-fit ​​connector, making installation and disassembly convenient. Furthermore, its multi-segment detachable structure facilitates disassembly and relocation.

The utility model relates to the field of refrigeration houses, in particular to a refrigeration house in modular design, a refrigeration house body is formed by splicing a plurality of heat preservation plates, and the joints of the heat preservation plates are all provided with child splicing pieces and mother splicing pieces in a matched mode; fixed plates are fixedly arranged on the sub splicing pieces, mounting cavities are formed in the fixed plates, movable plates corresponding to the mounting cavities are adaptively and movably arranged on the mother splicing pieces, and push plates are movably arranged in the sub splicing pieces and the mother splicing pieces. According to the utility model, the movable plate is pressed by the push plate and is matched with the mutual clamping between the clamping piece and the clamping cavity, so that the fixed connection between the movable plate and the fixed plate can be realized, the son splicing piece and the mother splicing piece can be fixedly assembled and connected together, and the splicing mode is convenient for a user to carry out modular splicing construction on the refrigeration house body; and the construction time of the refrigeration house body is shortened.

The utility model relates to the technical field of cold storage thermal insulation walls, and discloses a cold storage thermal insulation wall which comprises a wall body, an outer protection layer is arranged on the front face of the wall body, the outer protection layer comprises a plurality of galvanized plates arranged at equal intervals, a closed cavity is formed between the wall body and the outer protection layer, and the closed cavity is filled with a thermal insulation core material. According to the heat preservation wall body for the refrigeration house, the outer protection layer composed of galvanized sheets is arranged, and the heat preservation core material made of modified polyisocyanurate rigid foam materials is filled between the wall body and the protection layer, so that the heat preservation efficiency and stability of the heat preservation wall body can be remarkably improved, the moisture-proof and mildew-proof performance of the heat preservation wall body is enhanced, the service life of the heat preservation wall body is prolonged, and the energy efficiency performance of the heat preservation wall body is optimized; according to the thermal insulation wall, the thermal insulation requirement of the wall body in an extremely severe environment is met, the surrounding plates and the butt joint grooves are arranged, the adjacent surrounding plates are connected and reinforced through the studs and the first nuts, the overall stability of the outer protection layer can be improved, and then the overall stability of the thermal insulation wall is improved.

The embodiment of the utility model provides a sandwich panel for a refrigeration house, which comprises an upper-layer panel, a lower-layer panel, an upper-layer panel and a lower-layer panel, wherein the upper-layer panel is used for providing an upper closed structure and bearing a cold air environment; the lower-layer panel is parallel to the upper-layer panel and is used for providing a lower sealing structure and a supporting effect; the skeleton frame is connected between the upper-layer panel and the lower-layer panel, and the skeleton frame is of a crossed truss structure and is provided with diagonal bracings; the heat insulation core layer is filled between the upper-layer panel and the lower-layer panel and is used for preventing heat transfer; the edge sealing piece is fixedly connected to the outer side edge of the sandwich panel; beam strips of the skeleton frame are of a multi-cavity structure, a plurality of sets of independent cavities are formed in the beam strips, reinforcing ribs are embedded between the beam strips of the skeleton frame to enhance the bearing capacity, and the outer portion of the skeleton frame is covered with an anti-corrosion coating. Through the scheme of the embodiment of the invention, the bearing capacity and the anti-seismic property can be improved.

The invention provides a cooling tower supporting column construction system and method.The cooling tower supporting column construction system comprises a pier body, a prefabricated supporting column, an overturning support and a jacking device, the pier body is provided with a first connecting structure, the prefabricated supporting column is provided with a second connecting structure, and the overturning support is arranged on one side of the pier body; the overturning support clamps the prefabricated supporting column so that the prefabricated supporting column can be overturned, and the prefabricated supporting column can form the installation state that the second connecting structure can be in butt joint with the first connecting structure. When the prefabricated supporting column is in the installation state, the jacking device drives the prefabricated supporting column to be separated from the overturning support, and after the prefabricated supporting column is separated from the overturning support, the prefabricated supporting column is overturned. The second connecting structure and the first connecting structure of the pier body can be assembled, after assembling is completed, only the prefabricated supporting column and the pier body need to be locked, the construction difficulty of the supporting column can be obviously lowered, the construction period of the supporting column is shortened, and the problem that the construction period of the cooling tower supporting column is long is effectively solved.

The application provides an assemblable cold storage and an assemblage construction method thereof. The cold storage is provided with a cold storage bottom plate, long side plates and short side plates of the cold storage are installed on the cold storage bottom plate, a cold storage door is installed on one of the short side plates of the cold storage, and a cover plate of the cold storage is installed on the upper part of the long side plates and the short side plates of the cold storage. The cold storage bottom plate, the long side plates and the short side plates of the cold storage are fixed by a fixing mechanism, the long side plates and the short side plates of the cold storage and the cover plate of the cold storage are fixed by inserting pins and a fixing base cylinder, and the cold storage door is fixed by a door shaft fixing mechanism. The assemblage construction method of the assemblable cold storage comprises the following steps: installing the cold storage bottom plate on a treated foundation, then installing the short side plates of the cold storage, then installing the long side plates of the cold storage after the installation of the short side plates of the cold storage is completed, then fastening the fixing structure after the long side plates and the short side plates of the cold storage are calibrated, and then installing the cover plate of the cold storage. The assemblable cold storage is designed and installed by modularization, which is convenient and fast, and can effectively save the installation time and cost of the cold storage.

The invention relates to the technical field of cooling tower construction, in particular to a sliding film device for cooling tower construction, a construction system and a using method. The invention discloses a slip form device for cooling tower construction. The at least three sliding mode units are suitable for being arranged in the circumferential direction of the cooling tower, and a spherical hinge connecting piece is connected between every two adjacent sliding mode units. The invention provides a slip form device for construction of a cooling tower, a construction system and a using method, and aims to solve the problems that a traditional slip form system is prone to perpendicularity deviation and position drifting in a high-altitude operation environment, and due to the fact that the shape of the cooling tower is complex, when the cooling tower faces complex structure parts such as a water collecting system in construction, the construction cost is low. And the problem that adjustment cannot be carried out due to position deviation is solved.

The utility model discloses a polyurethane cold storage plate which comprises polyurethane plate bodies, a first clamping assembly is arranged at one end of each polyurethane plate body, a second clamping assembly is arranged at the other end of each polyurethane plate body, and the two adjacent polyurethane plate bodies are horizontally spliced or vertically spliced through clamping matching of the first clamping assemblies and the second clamping assemblies. According to the polyurethane plate disclosed by the utility model, the first clamping assembly and the second clamping assembly are arranged, and the third lug is clamped in the first groove formed by combining the first lug and the second lug, so that two adjacent polyurethane plate bodies can be horizontally spliced; the third convex block and the fourth convex block are jointly clamped in a first groove formed by combining the first convex block and the second convex block, so that two adjacent polyurethane plate bodies can be vertically spliced; and in the splicing process, clamping pieces do not need to be added, the installation steps are reduced, the splicing efficiency during installation is improved, and operation is convenient and fast.

The invention discloses a combined wind power cooling tower, and relates to the technical field of wind power, the combined wind power cooling tower comprises a double-layer steel structure cooling tower, the top of the double-layer steel structure cooling tower is connected with a plurality of support trusses, and the top ends of the plurality of support trusses converge towards one place; the steel tower is vertically arranged at the convergence position of the top ends of the multiple supporting trusses and fixedly connected with the multiple supporting trusses; according to the technical scheme, the double-layer steel structure cooling tower and the wind turbine generator are combined, rich wind resources on the tower top are fully utilized, the overall rigidity is optimized, and the generating capacity of the wind turbine generator is greatly improved; and by combining the two structural systems, the construction efficiency is improved, the construction period is shortened by about 20%, a large tower on the lower portion of a wind turbine generator is saved, and the project cost is reduced by about 10%.

The invention relates to the technical field of steel structure inter-cooling towers, in particular to a double-layer steel structure inter-cooling tower and a construction method thereof.The construction method of the double-layer steel structure inter-cooling tower comprises the following steps that computer three-dimensional modeling software is used for dividing the inter-cooling tower into a plurality of layer sections, and structure models of unit bodies needing to be assembled of the inter-cooling tower are established according to the different layer sections; structural rod pieces corresponding to the unit bodies are produced in a factory, and after production is completed, the structural rod pieces are packaged according to layer sections of the indirect cooling tower and transported to an installation site; the structural rod pieces are assembled to form unit bodies on the installation site; and the assembled unit bodies are hoisted to the corresponding design positions on the indirect cooling tower to be installed. According to the modular construction method, error accumulation is avoided, the core process of assembling the unit bodies is transferred to the ground, the workload of aloft work is reduced, the risk of aloft work is reduced, the links of factory overall welding and long-distance transportation of the unit bodies are reduced by transporting the structural rod pieces to the site for assembling, and the transportation and construction efficiency is improved.

This invention relates to the field of cooling equipment technology and includes a prefabricated cooling tower and its construction process. The tower comprises multiple vertical columns and multiple horizontal beams. The columns are vertically arranged and spaced apart from each other. Each end of a horizontal beam is connected to a different column. The horizontal beam and columns are connected by a mortise and tenon joint. The mortise and tenon joint includes a mortise-shaped structure and a tenon-shaped structure. At the mortise and tenon joint, the outer contour of the tenon-shaped structure is smaller than the inner contour of the mortise-shaped structure, forming a first grouting space between the tenon-shaped structure and the mortise-shaped structure. A filling material is filled and cured within the first grouting space. This invention significantly improves the construction speed of prefabricated cooling towers and shortens the construction period.

A storage system (100) is provided that includes a primary container (102), a first insulation layer (104), a secondary container (106), a secondary bottom (108), and a second insulation layer (110). The primary container (102) has a primary bottom (112). The first insulation layer (104) is disposed below the primary bottom (112). The secondary bottom (108) is disposed below the first insulation layer (104) and the secondary container (106). The secondary bottom (108) has an expansion joint (114) configured to permit the secondary bottom (108) to expand and / or contract independently from the secondary container (106). The second insulation layer (110) is disposed below the secondary bottom (108). In the event of LNG leaking from the primary container (102), the second insulation layer (110) is protected from LNG contact by the secondary bottom (108). The carbon steel liner (116) located on the outside face (117) of the concrete wall (118) remains vapor tight and liquid tight in the event of any amount of LNG leaking from the primary container (102).

The present application relates to large cooling tower structure design technical field, especially in a kind of self-balancing cable net cooling tower structure and its construction method, comprising: central tower column, sling, upper compression ring, cable net, lower compression ring, lower cable and lower steel structure, the bottom of central tower column is supported on tower column foundation;Upper compression ring is suspended on central tower column by sling;Lower cable is the cable system arranged in spoke form, and the lower end of each lower cable is anchored to the bottom of central tower column, and the upper end is connected with lower compression ring;Cable net is arranged between upper compression ring and lower compression ring;The upper end of lower steel structure is connected with lower compression ring, and the lower end is supported on ring plate foundation.Compared with existing cable net cooling tower structure, by introducing lower compression ring, lower cable and lower steel structure, and using specified structure construction method, the force transmission mode of cooling tower structure can be optimized without changing the stress performance of cable net and central tower column, the stress of cooling tower foundation is significantly reduced, and it is also convenient to connect with the widened platform structure.

The invention relates to a refrigeration house integral structure with an internal thermal insulation system and a construction method of the refrigeration house integral structure. The refrigeration house integral structure comprises a refrigeration house body, and the refrigeration house body is defined by wall faces, the ground and a ceiling; the wall surface comprises a wall surface nano aerogel composite heat insulation plate and a brick wall, and the wall surface nano aerogel composite heat insulation plate is vertically and fixedly mounted on the inner side of the brick wall; the ceiling comprises a ceiling nano aerogel composite heat insulation plate and a ceiling concrete floor slab, and the ceiling nano aerogel composite heat insulation plate is fixedly mounted on the inner side of the ceiling concrete floor slab; and a ground nano aerogel insulation felt is mounted in the ground. The refrigeration house overall structure with the internal heat preservation system and the construction method thereof have the beneficial effects that the refrigeration house is simple in structure and reasonable in design, has the functions of heat preservation, heat insulation, moisture prevention, fire prevention and the like, is safe and reliable, can meet the requirements of users, and is convenient to construct and high in efficiency.