CN108781900B - Sunlight greenhouse with soil binder rammed earth wall and construction method thereof - Google Patents
Sunlight greenhouse with soil binder rammed earth wall and construction method thereof Download PDFInfo
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- CN108781900B CN108781900B CN201810609582.1A CN201810609582A CN108781900B CN 108781900 B CN108781900 B CN 108781900B CN 201810609582 A CN201810609582 A CN 201810609582A CN 108781900 B CN108781900 B CN 108781900B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses a sunlight greenhouse with a soil binder rammed earth wall and a construction method thereof, wherein the method comprises the following steps: a rammed earth wall surrounding a main body frame constituting a solar greenhouse; the foamed cement layer is arranged on the outer side of the rammed earth wall; the heat insulation layer is arranged on the inner side of the rammed earth wall opposite to the foamed cement layer; the roof comprises a keel and an insulating layer, the keel frame is arranged at the upper part of a main body frame formed by the rammed earth wall, the keel supports the insulating layer, and the main body frame is capped to form the sunlight greenhouse; the keel comprises a square frame, a rear support rod and a top plate, the top plate is erected at the top end of a main body frame formed by a rammed earth wall, and an unpowered wind ball is arranged above the top plate; the square frame comprises a first frame fixed between the end face of the front end wall and the top plate and a second frame connected between the end face of the front end wall and the top plate in a sliding mode. The construction method has the advantages of simple and efficient construction process, energy conservation and low price, and the constructed greenhouse has good heat preservation and heat storage functions, high compressive strength of the wall body and strong capability of resisting rainwater soaking.
Description
Technical Field
The invention relates to a construction method of a sunlight greenhouse, in particular to a sunlight greenhouse with a soil binder rammed earth wall and a construction method thereof.
Background
The solar greenhouse is a unique greenhouse type in northern areas of China, is a greenhouse which is not heated indoors, absorbs solar energy through the rear wall body, realizes heat storage and release, maintains a certain indoor temperature level and meets the growth requirement of vegetable crops. The greenhouse rear wall body in a general mode is a soil wall pressed by a track vehicle, the base of the rear wall is 7 meters wide, the heat storage and heat preservation performance is good, but the rear wall occupies a large area, the land utilization rate is low, and the waste of land resources can be caused; in the greenhouse adopting the brick rear wall, the thickness of the bricks below the ground surface is larger than the thickness of the local frozen soil layer to meet the heat preservation requirement, the manufacturing cost is high, the heat preservation effect is poor, the ventilation effect of the sunlight greenhouse is not ideal, and the good environment for plant growth is not favorable to be established.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the sunlight greenhouse with the soil-binding agent rammed earth wall, which has the advantages of high compressive strength of the wall body, strong capability of resisting rain soaking, long service life and good ventilation effect.
The invention also aims to provide a method for building the solar greenhouse with the soil-binding agent rammed earth wall, which has the advantages of simple and efficient construction process, local material utilization, energy conservation and low price.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a soil binder rammed earth wall solar greenhouse comprising:
the rammed earth wall surrounds a main body frame forming the sunlight greenhouse, and the rammed earth wall extends into the ground by 20-40 cm; the thickness of the rammed earth wall is 20-80 cm.
And the foamed cement layer is arranged on the outer side of the rammed earth wall, and the thickness of the foamed cement layer is 20-35 cm.
And the heat insulation layer is arranged on the inner side of the rammed earth wall opposite to the foamed cement layer, extends into the ground surface by more than 15 cm and reaches a frozen soil layer.
The keel frame is arranged on the upper part of a main body frame formed by the rammed earth wall, the keel supports the heat-insulating layer, and the main body frame is capped to form the sunlight greenhouse; the keel comprises a square frame, a rear support rod and a top plate, the top plate is erected at the top end of a main body frame formed by the rammed earth wall, a plurality of openings are longitudinally formed along the top plate, baffle plates are arranged on the inner sides of the openings, and the baffle plates are connected with a push-pull mechanism so as to enable the baffle plates to move left and right; an unpowered wind ball is arranged above the opening; a first sliding groove is formed in one side of the top plate, and a second sliding groove corresponding to the first sliding groove is formed in the end face of the front-end wall body of the main body frame formed by the rammed earth wall; the square frame consists of an I-shaped framework with clamping grooves arranged on the top end face and the bottom end face, the square frame comprises a first frame and a second frame, the first end of the first frame is connected to one side of the top plate and placed above the first sliding groove, and the second end of the first frame is connected to the end face of the front end wall body of the main body frame formed by the rammed earth wall and placed outside the second sliding groove; the top end and the bottom end of the second frame are respectively provided with a roller matched with the first sliding groove and the second sliding groove so that the second frame can slide in the first sliding groove and the second sliding groove; the rear support rod is longitudinally arranged between the top plate and the rear end wall body of the main body frame formed by the rammed earth wall.
Preferably, the upper end of the heat insulation layer is flush with the ground surface, and the lower end of the heat insulation layer extends 20-40cm below the ground surface; the thermal-insulated layer is formed by the concatenation of polylith thermal-insulated unit, thermal-insulated unit is the extruded sheet, seam crossing between the thermal-insulated unit is provided with the sealing strip.
Preferably, the heat-insulating layer comprises an upper heat-insulating film and a lower heat-insulating film, and the upper heat-insulating film and the lower heat-insulating film are respectively fixed on the square frame through a fixing piece matched with the clamping groove to form a double-layer heat-insulating layer; and a heat preservation quilt is laid outside the double-layer heat preservation layer.
Preferably, the solar greenhouse further comprises a control device, an alarm device and a temperature sensor arranged in the solar greenhouse; the control device is connected with the push-pull mechanism to control the baffle to move left and right; the control device is respectively connected with the alarm device and the temperature sensor, and when the temperature in the sunlight greenhouse detected by the temperature sensor is lower than 0 ℃, the controller receives signals transmitted by the temperature sensor to enable the alarm device to give an alarm.
A method for building a sunlight greenhouse with a soil binder rammed soil wall mainly comprises the following steps:
step 1, digging a rectangular foundation pit with the depth of 20-80cm, preparing a soil binder diluent, adding the diluent into soil, and stirring to obtain mixed soil; wherein, the soil adhesive mainly comprises a plurality of the following components in parts by weight: 15-45 parts of cement, 5-25 parts of peat, 5-10 parts of water glass, 4-10 parts of calcium lignosulfonate, 20-30 parts of polycationic cellulose, 4-10 parts of zeolite, 10-20 parts of polyacrylamide, 10-15 parts of soda ash and 15-25 parts of water.
And 2, adding the mixed soil into the foundation pit, and tamping the mixture layer by layer until the mixture reaches the ground surface.
And 3, supporting the templates on the main body part above the ground surface, adding the mixed soil materials between the templates, and ramming the mixed soil materials layer by layer to the designed height to form the rammed earth wall.
And 4, arranging the 15-35cm foamed cement layer on the outer side of the rammed earth wall.
And 5, arranging the heat insulation layer on the inner side of the rammed earth wall, wherein the heat insulation layer extends into the ground surface by more than 15 cm and reaches a frozen earth layer.
And 6, erecting the keel and a heat-insulating layer for capping above the rammed earth wall.
Preferably, the foamed cement layer mainly comprises the following components in parts by weight: 300-600 parts of Portland cement, 300 parts of water, 250-35 parts of hydrogen peroxide, 30-50 parts of fly ash, 1-10 parts of calcium stearate, 1-3 parts of polypropylene-based fiber, 10-15 parts of metakaolin, 4-8 parts of talcum powder, 5-10 parts of ceramic tile polishing powder, 1-2 parts of silicon dioxide, 1-2 parts of calcium oxide and 0.01-0.05 part of nitrite.
Preferably, step 4 further includes disposing a black heat absorbing layer outside the foamed cement layer.
Preferably, the mixed soil material in the step 1 further comprises fly ash, wherein the particle size range of fly ash particles is 0.5-100 μm, the porosity is 50% -80%, and the density is 1.9-2.9g/cm3。
The invention at least comprises the following beneficial effects:
by taking the rammed earth wall as the greenhouse main body frame, the water stability of the wall body of the greenhouse is good, and the wall body can be soaked by external rainwater and internal water vapor; the wall body is hardened and solidified effectively, the compressive strength is high, the wall body is durable, the shed frame can be supported, the snow and the wind can be resisted, and the service life is more than 30 years; the heat storage and insulation effect is good, a large amount of heat can be stored in the thick wall body, the heat insulation effect is much better than that of the traditional masonry vegetable greenhouse, and the temperature difference between the inside and the outside of the greenhouse can reach 38 ℃ in extremely cold areas. The lowest temperature in the greenhouse is above 8 ℃; compared with the red brick masonry wall, the red brick masonry wall can save the engineering cost by about 25 to 40 percent; the rammed earth wall is mainly made of earth, the energy saving rate reaches 80%, the rammed earth wall is a nontoxic pollution-free green wall body, can be obtained from local materials, is simple in construction process, wide in application, high-efficiency, energy-saving and low in price, is an ideal sunlight greenhouse heat-insulation wall body with the integral uniform and attractive appearance, is additionally provided with a foamed cement layer, so that the heat-insulation effect is better, the heat-insulation layer is arranged on the inner side of the rammed earth wall and plays a role in water insulation and heat preservation, and the wall body of the greenhouse consisting of the heat-insulation layer, the rammed earth wall and the foamed cement layer also has excellent heat storage capacity, and the temperature of the greenhouse is increased by radiation at night; the heat-absorbing material can absorb redundant heat in summer, help to reduce the room temperature, and automatically balance and adjust the indoor temperature and humidity.
Through the top end face and the bottom end face of the I-shaped framework are provided with the clamping grooves, so that the heat preservation layer is fixed. The unpowered wind ball is arranged on the top plate, so that the air in the sunlight greenhouse is exchanged with the outdoor air by utilizing the unpowered wind ball, and the aim of improving the air quality in the sunlight greenhouse is fulfilled; when the exchange of indoor and outdoor air is not needed, the push-pull mechanism is controlled by the control device, so that the baffle plate moves to seal the opening serving as the air circulation port; through inciting somebody to action the second frame sets up to the movable frame that can slide from side to side, will the second frame to first frame direction removes, makes one side of sunlight greenhouse's ceiling is in the state of opening, so that the quick circulation of sunlight greenhouse indoor air has improved the efficiency of management sunlight greenhouse, more does benefit to and improves fast the environment in the sunlight greenhouse.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a solar greenhouse with soil-binding agent rammed earth walls according to the present invention;
FIG. 2 is a sectional view of one side wall of the sunlight greenhouse with soil cement rammed earth wall according to the present invention;
fig. 3 is a partially enlarged view of the first frame body and the second frame body according to the present invention;
fig. 4 is a cross-sectional view of an i-shaped framework according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, 2, 3 and 4, the present invention provides a soil binder rammed earth wall solar greenhouse comprising:
a rammed earth wall 100 surrounding a main body frame constituting the solar greenhouse, the rammed earth wall 100 extending into the ground 20-40c m; the thickness of the rammed earth wall 100 is 20-80 cm.
And the foamed cement layer 101 is arranged on the outer side of the rammed earth wall 100, and the thickness of the foamed cement layer 101 is 20-35 cm.
And a heat insulating layer 102 provided on the inner side of the rammed earth wall 100 opposite to the foamed cement layer 101, wherein the heat insulating layer 102 extends to a position 15 cm or more below the ground surface and reaches a frozen earth layer.
A ceiling 200, which comprises a keel 201 and an insulating layer 202, wherein the keel 201 is erected on the upper part of a main body frame formed by the rammed earth wall 100, the keel 201 supports the insulating layer 202, and the main body frame is capped to form the sunlight greenhouse; the keel 201 comprises a square frame 203, a rear support rod 204 and a top plate 205, the top plate 205 is erected at the top end of a main body frame formed by the rammed earth wall 100, a plurality of openings are longitudinally arranged along the top plate 205, and baffle plates are arranged on the inner sides of the openings and connected with a push-pull mechanism so as to enable the baffle plates to move left and right; an unpowered wind ball 206 is arranged above the opening; a first sliding groove 207 is formed on one side of the top plate 205, and a second sliding groove 209 corresponding to the first sliding groove 207 is formed on an end surface 208 of a front end wall body of the main body frame formed by the rammed earth wall 100; the square frame 203 is composed of an i-shaped framework 210 with a clamping groove 300 arranged on the top end face and the bottom end face, the square frame 203 comprises a first frame 211 and a second frame 212, the first end of the first frame 211 is connected to one side of the top plate 205 and is arranged above the first sliding groove 207, and the second end of the first frame 211 is connected to the end face 208 of the front end wall body of the main body frame formed by the rammed earth wall and is arranged outside the second sliding groove 209; the top end and the bottom end of the second frame 212 are respectively provided with a roller adapted to the first sliding chute 207 and the second sliding chute 209, so that the second frame 212 slides in the first sliding chute 207 and the second sliding chute 209; the rear stay 204 is longitudinally disposed between the top plate 205 and a rear end wall 213 of the main body frame formed of the rammed earth wall.
In the scheme, the heat insulation layer 102 is arranged on the inner side of the rammed earth wall 100, so that the foundation part is prevented from being soaked by water, and the heat insulation layer 102 also has a heat insulation effect. The rammed earth wall 100 can withstand the immersion of external rain water and internal water vapor; the wall body is good in hardening and curing effect, high in compressive strength, good in water stability, durable in use, capable of supporting a shed frame and resisting snow and strong wind, and the service life of the wall body is more than 30 years; the rammed earth wall 100 is an ideal sunlight greenhouse heat-insulation wall body, the whole rammed earth wall 100 is uniform and attractive, and the foamed cement layer 101 is additionally arranged on the rammed earth wall 100, so that the heat-insulation effect is better, the wind resistance and cold resistance of the sunlight greenhouse outer wall are further improved, the rammed earth wall also has excellent heat storage capacity, and the temperature of the greenhouse is increased by radiation at night; the heat-absorbing material can absorb redundant heat in summer, help to reduce the room temperature, and automatically balance and adjust the indoor temperature and humidity.
I-shaped skeleton 210 intensity is high, and long service life through the top end face and the bottom end face setting of I-shaped skeleton 210 draw-in groove 300, so that it is fixed heat preservation 202. The unpowered wind ball 206 is arranged on the top plate 205, and the air in the sunlight greenhouse is exchanged with the air outside by the unpowered wind ball 206, so that the aim of improving the air quality in the sunlight greenhouse is fulfilled; when the exchange of indoor and outdoor air is not needed, the push-pull mechanism is controlled by the control device, so that the baffle plate moves to seal the opening serving as the air circulation port; through setting up second frame 212 as the movable frame that can slide from side to side, will second frame 212 to first frame 211 direction removes, makes one side of sunlight greenhouse's ceiling is in the state of opening, so that the quick circulation of sunlight greenhouse indoor air has improved the efficiency of sunlight greenhouse management, more does benefit to and improves fast the environment in the sunlight greenhouse.
In a preferable scheme, the upper end of the heat insulation layer 102 is flush with the ground surface, and the lower end of the heat insulation layer 102 extends 20-40cm deep below the ground surface; the heat insulation layer 102 is formed by splicing a plurality of heat insulation units 103, the heat insulation units 103 are extruded plates, and sealing strips are arranged at seams among the heat insulation units 103.
In the above scheme, the heat insulation unit 103 is arranged below the ground surface inside the rammed earth wall 100, so that irrigation water intruding below the ground surface is prevented from soaking the part below the ground surface of the rammed earth wall 100, and the service life of the rammed earth wall 100 is further ensured. Because a plurality of heat insulation units 103 are arranged, seams exist among the heat insulation units 103, and in order to prevent water in soil from entering and soaking the rammed earth wall 100 from the seams during irrigation, sealing strips are arranged in the seams, so that the water in the soil is completely isolated outside the rammed earth wall 100, and a foundation part of the rammed earth wall 100 is well protected; the sealing strip can be made of materials with good waterproof performance, such as plastic cloth and the like; the heat insulation unit 103 is made of an extruded sheet which has excellent heat insulation, excellent high-strength compression resistance, excellent hydrophobicity, moisture resistance and corrosion resistance and environmental protection performance; the heat insulation unit 103 can also be made of other materials, such as polystyrene foam heat insulation boards.
In a preferred scheme, the heat-insulating layer 202 comprises an upper heat-insulating film and a lower heat-insulating film, and the upper heat-insulating film and the lower heat-insulating film are respectively fixed on the square frame 203 through a fixing piece matched with the clamping groove 300 to form a double-layer heat-insulating layer; and a heat preservation quilt is laid outside the double-layer heat preservation layer.
In the scheme, the heat-insulating layer 202 adopts an upper heat-insulating film and a lower heat-insulating film, and an air layer is formed between the two heat-insulating films, so that the heat-insulating effect is improved, and a large amount of water vapor can be prevented from being generated in the greenhouse; for reducing the external low temperature in the cold area in north right the influence of sunlight greenhouse internal temperature lay the heat preservation quilt outside the double-deck heat preservation layer to guarantee the relative stability of sunlight greenhouse internal temperature.
In a preferable scheme, the solar greenhouse further comprises a control device, an alarm device and a temperature sensor arranged in the solar greenhouse; the control device is connected with the push-pull mechanism to control the baffle to move left and right; the control device is respectively connected with the alarm device and the temperature sensor, and when the temperature in the sunlight greenhouse detected by the temperature sensor is lower than 0 ℃, the controller receives signals transmitted by the temperature sensor to enable the alarm device to give an alarm.
In the above scheme, the control device controls the push-pull mechanism to push the baffle to move so as to seal or open the opening, thereby controlling the air exchange between the air in the sunlight greenhouse and the outside; through be in set up temperature sensor in the sunlight greenhouse, temperature sensor gives the temperature signal transmission who detects the controller, the controller is receiving when the temperature that temperature sensor detected is less than 0 ℃, makes alarm device sends the chimes of doom to warning managers, and make managers inspect and maintain the damaged part of greenhouse, with the influence that the plant in the reduction temperature caused in to the greenhouse, avoid frostbite the greenhouse plant.
A method for building a sunlight greenhouse with a soil binder rammed soil wall mainly comprises the following steps:
step 1, digging a rectangular foundation pit with the depth of 20-80cm, preparing a soil binder diluent, adding the diluent into soil, and stirring to obtain mixed soil; wherein, the soil adhesive mainly comprises a plurality of the following components in parts by weight: 15-45 parts of cement, 5-25 parts of peat, 5-10 parts of water glass, 4-10 parts of calcium lignosulfonate, 20-30 parts of polycationic cellulose, 4-10 parts of zeolite, 10-20 parts of polyacrylamide, 10-15 parts of soda ash and 15-25 parts of water.
And 2, adding the mixed soil into the foundation pit, and tamping the mixture layer by layer until the mixture reaches the ground surface.
And 3, supporting the templates on the main body part above the ground surface, adding the mixed soil materials between the templates, and ramming the mixed soil materials layer by layer to the designed height to form the rammed earth wall 100.
And 4, arranging the 15-35cm foamed cement layer on the outer side of the rammed earth wall 100.
And 5, arranging the heat insulation layer 102 on the inner side of the rammed earth wall 100, wherein the heat insulation layer 102 extends into the ground surface by more than 15 cm and reaches the frozen earth layer.
Step 6, erecting the keel 200 and the heat-insulating layer 202 above the rammed earth wall 100 for capping
In the scheme, the rammed earth wall 100 is obtained by adding the soil binder into the soil and then tamping the soil, the wall body base is stable until reaching a frozen soil layer, water permeates into the ground surface when irrigation is carried out, the heat insulation layer is arranged on the inner side of the wall body to prevent the base part from being soaked by the water, and the heat insulation layer also has the heat insulation effect. The rammed earth wall 100 can withstand the immersion of external rain water and internal water vapor; the wall body is good in hardening and curing effect, high in compressive strength, good in water stability, durable in use, capable of supporting a shed frame and resisting snow and strong wind, and the service life of the wall body is more than 30 years; the heat storage and insulation effect is good, a large amount of heat can be stored in the thick wall body, the heat insulation effect is much better than that of the traditional masonry vegetable greenhouse, and the temperature difference between the inside and the outside of the greenhouse can reach 38 ℃ in extremely cold areas. The lowest temperature in the greenhouse is above 8 ℃; compared with the red brick masonry wall, the red brick masonry wall can save the engineering cost by about 25 to 40 percent; the rammed earth wall 100 is mainly made of earth, the energy saving rate reaches 80%, the rammed earth wall is a non-toxic pollution-free green wall body, local materials can be used, the manufacturing cost is low, the construction process is simple, the application is wide and efficient, the greenhouse is updated in the future, the rammed earth wall 100 added with the soil adhesive can be decomposed and returned to the soil, and the energy conservation and the environmental protection are realized;
in a preferred embodiment, the foamed cement layer 101 mainly comprises the following components in parts by weight: 300-600 parts of Portland cement, 300 parts of water, 250-35 parts of hydrogen peroxide, 30-50 parts of fly ash, 1-10 parts of calcium stearate, 1-3 parts of polypropylene-based fiber, 10-15 parts of metakaolin, 4-8 parts of talcum powder, 5-10 parts of ceramic tile polishing powder, 1-2 parts of silicon dioxide, 1-2 parts of calcium oxide and 0.01-0.05 part of nitrite.
In the scheme, the porous property of the foamed cement enables the foamed cement to have low elastic modulus, so that the foamed cement has good absorption and dispersion effects on impact load, and the rammed soil layer is protected; the foamed cement also has certain waterproof performance; the raw materials required by the foaming cement do not contain harmful substances such as benzene, formaldehyde and the like, thereby avoiding environmental pollution and fire-fighting hidden danger.
In a preferable scheme, the step 4 further includes that a black heat absorption layer is arranged outside the foamed cement layer 101.
In the above scheme, because the black substance has strong absorption capacity for heat radiation, the temperature rises quickly, the molecules expand after the black substance is heated, the gaps between the molecules are pulled open, the distance between the molecules is gradually recovered after the heating is stopped, the heat is released, the heat-insulating layer and the outer side of the wall body are brushed into black, the purpose is to increase the heat absorption capacity and the heat release capacity, a black film can be hung on the rear wall of the ceiling 200, and the effects of more heat absorption and more heat release can be achieved.
In a preferable scheme, the mixed soil material in the step 1 further comprises fly ash, wherein the particle size range of fly ash particles is 0.5-100 μm, the porosity is 50% -80%, and the density is 1.9-2.9g/cm3。
In the scheme, the fly ash can react to generate a compound with hydraulic gelation performance, becomes a material for increasing the strength and durability, is favorable for enhancing the strength of the rammed earth wall, has rich fly ash resources and low price, is a novel building material raw material and a raw material of a chemical product which are beneficial to harm removal, and is favorable for environmental protection.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A soil binder rammed earth wall solar greenhouse, comprising:
the rammed earth wall surrounds a main body frame forming the sunlight greenhouse, and the rammed earth wall extends into the ground by 20-40 cm; the thickness of the rammed earth wall is 20-80 cm;
the foamed cement layer is arranged on the outer side of the rammed earth wall, and the thickness of the foamed cement layer is 20-35 cm;
the heat insulation layer is arranged on the inner side of the rammed earth wall opposite to the foamed cement layer, extends into the ground surface by more than 15 cm and is based on reaching a frozen soil layer;
the keel frame is arranged on the upper part of a main body frame formed by the rammed earth wall, the keel supports the heat-insulating layer, and the main body frame is capped to form the sunlight greenhouse; the keel comprises a square frame, a rear support rod and a top plate, the top plate is erected at the top end of a main body frame formed by the rammed earth wall, a plurality of openings are longitudinally formed along the top plate, baffle plates are arranged on the inner sides of the openings, and the baffle plates are connected with a push-pull mechanism so as to enable the baffle plates to move left and right; an unpowered wind ball is arranged above the opening; when the indoor air and the outdoor air do not need to be exchanged, the push-pull mechanism is controlled by a control device, so that the baffle plate moves to seal the opening serving as the air circulation port; a first sliding groove is formed in one side of the top plate, and a second sliding groove corresponding to the first sliding groove is formed in the end face of the front-end wall body of the main body frame formed by the rammed earth wall; the square frame consists of an I-shaped framework with clamping grooves arranged on the top end face and the bottom end face, the square frame comprises a first frame and a second frame, the first end of the first frame is connected to one side of the top plate and placed above the first sliding groove, and the second end of the first frame is connected to the end face of the front end wall body of the main body frame formed by the rammed earth wall and placed outside the second sliding groove; the top end and the bottom end of the second frame are respectively provided with a roller matched with the first sliding groove and the second sliding groove so that the second frame can slide in the first sliding groove and the second sliding groove; the rear support rod is longitudinally arranged between the top plate and a rear end wall body of the main body frame formed by the rammed earth wall; the heat preservation includes upper heat preservation membrane and lower floor's heat preservation membrane, will through with the mounting of draw-in groove adaptation upper heat preservation membrane and lower floor's heat preservation membrane are fixed respectively on the square frame to constitute double-deck heat preservation.
2. The soil binder rammed earth wall solar greenhouse of claim 1, wherein the upper end of the thermal insulation layer is flush with the earth surface, and the lower end of the thermal insulation layer extends 20-40cm below the earth surface; the thermal-insulated layer is formed by the concatenation of polylith thermal-insulated unit, thermal-insulated unit is the extruded sheet, seam crossing between the thermal-insulated unit is provided with the sealing strip.
3. The soil binder rammed earth wall solar greenhouse of claim 1, wherein the double layer insulation layer is externally laid with an insulation quilt.
4. The soil binder rammed earth wall solar greenhouse of claim 1, further comprising a control device, an alarm device, and a temperature sensor disposed within the solar greenhouse; the control device is connected with the push-pull mechanism to control the baffle to move left and right; the control device is respectively connected with the alarm device and the temperature sensor, and when the temperature in the sunlight greenhouse detected by the temperature sensor is lower than 0 ℃, the control device receives signals transmitted by the temperature sensor to enable the alarm device to give an alarm.
5. A method for constructing a solar greenhouse with soil-binding agent rammed earth walls as claimed in claim 1, which mainly comprises the following steps:
step 1, digging a rectangular foundation pit with the depth of 20-80cm, preparing a soil binder diluent, adding the diluent into soil, and stirring to obtain mixed soil; wherein, the soil adhesive mainly comprises a plurality of the following components in parts by weight: 15-45 parts of cement, 5-25 parts of peat, 5-10 parts of water glass, 4-10 parts of calcium lignosulfonate, 20-30 parts of polycationic cellulose, 4-10 parts of zeolite, 10-20 parts of polyacrylamide, 10-15 parts of soda ash and 15-25 parts of water;
step 2, adding the mixed soil into the foundation pit, and tamping the mixture layer by layer until the mixture reaches the ground surface;
step 3, supporting templates on the main body part above the ground surface, adding the mixed soil materials between the templates, and ramming layer by layer to the designed height to form the rammed earth wall;
step 4, arranging the 15-35cm foamed cement layer on the outer side of the rammed earth wall;
step 5, arranging the heat insulation layer on the inner side of the rammed earth wall, wherein the heat insulation layer extends into the ground surface by more than 15 cm and reaches a frozen earth layer;
and 6, erecting the keel and a heat-insulating layer for capping above the rammed earth wall.
6. The soil binder rammed earth wall solar greenhouse construction method of claim 5, wherein the foamed cement layer consists essentially of the following components in parts by weight: 300-600 parts of Portland cement, 300 parts of water, 250-35 parts of hydrogen peroxide, 30-50 parts of fly ash, 1-10 parts of calcium stearate, 1-3 parts of polypropylene-based fiber, 10-15 parts of metakaolin, 4-8 parts of talcum powder, 5-10 parts of ceramic tile polishing powder, 1-2 parts of silicon dioxide, 1-2 parts of calcium oxide and 0.01-0.05 part of nitrite.
7. The soil binder rammed earth wall solar greenhouse construction method according to claim 5, wherein step 4 further comprises providing a black heat absorbing layer outside the foamed cement layer.
8. The method for constructing a sunlight greenhouse by using soil-binding agent rammed earth wall as claimed in claim 5, wherein said mixed soil material in step 1 further comprises fly ash, said fly ash has a particle size of 0.5-100 μm, a porosity of 50% -80%, and a density of 1.9-2.9g/cm3。
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