CN115075517A - Heavy-duty anticorrosion waterproof construction method for manure pit for building pig breeding - Google Patents
Heavy-duty anticorrosion waterproof construction method for manure pit for building pig breeding Download PDFInfo
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- CN115075517A CN115075517A CN202210783609.5A CN202210783609A CN115075517A CN 115075517 A CN115075517 A CN 115075517A CN 202210783609 A CN202210783609 A CN 202210783609A CN 115075517 A CN115075517 A CN 115075517A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000009395 breeding Methods 0.000 title claims abstract description 26
- 230000001488 breeding effect Effects 0.000 title claims abstract description 26
- 210000003608 fece Anatomy 0.000 title claims abstract description 25
- 239000010871 livestock manure Substances 0.000 title claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 111
- 229920002396 Polyurea Polymers 0.000 claims abstract description 52
- 238000000576 coating method Methods 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- 235000005340 Asparagus officinalis Nutrition 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000013461 design Methods 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 20
- 241000234427 Asparagus Species 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 11
- 230000007547 defect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- 229940036811 bone meal Drugs 0.000 claims description 2
- 239000002374 bone meal Substances 0.000 claims description 2
- 230000000704 physical effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 6
- 230000037452 priming Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 241001465754 Metazoa Species 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 244000003416 Asparagus officinalis Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000002585 base Substances 0.000 description 63
- 244000144972 livestock Species 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000007726 management method Methods 0.000 description 4
- 230000036314 physical performance Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
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- 208000032912 Local swelling Diseases 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
- E04F21/12—Mechanical implements acting by gas pressure, e.g. steam pressure
-
- 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
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a heavy-duty anticorrosion waterproof construction method of a manure pit for pig breeding in a building, which comprises the following steps of S1: the concrete base surface of a newly-built pig house is maintained for a certain time, the surface strength of the concrete base surface can meet the design requirement, after the strength of the concrete base surface reaches, the base layer is polished, cement ash laitance, particles and loose objects on the surface are thoroughly removed, the main body of the coating disclosed by the invention adopts polyurea coating, and the priming paint and the finish paint adopt asparagus series polyurea coating, the coating has no solvent and hundred percent solid content, has no toxic or side effect on people and animals, has no peculiar smell, is safe and environment-friendly, can be quickly cured, can be sprayed and formed on any curved surface, inclined surface and vertical surface, and can be used for spraying construction of the excrement ditch by adopting the construction mode, so that the concrete base material can be completely isolated from external moisture and oxygen, and the coating has extremely high protection capability, adhesive force and impact strength, and can effectively protect the base surface from water and water for a long time.
Description
Technical Field
The invention relates to the technical field of breeding waterproofing, in particular to a heavy-duty anticorrosion waterproof construction method for a dung ditch for breeding pigs in a building.
Background
With the continuous improvement of social productivity level and consumption level, the demand of people for livestock is continuously increased, and in order to meet the high standard of mass consumption, related livestock raising enterprises need to continuously perfect the management mode and management method of the livestock raising enterprises, so that all the livestock raising work and the management work can reach scientification, standardization and standardization, and thus, the occurrence of various livestock diseases can be reduced, and the management level and the economic income of the livestock raising enterprises can be improved.
In order to reduce the breeding cost, most of farms adopt a multi-floor breeding design, in the live pig breeding process, liquid dung of each pig house is intensively discharged into a liquid dung ditch, and because the liquid dung has high corrosivity to floors, the liquid dung ditch is easy to leak water during long-time use, great inconvenience is brought to the breeding of the lower floor, and the problem that farmers cannot thoroughly solve the problem all the time is solved, so that the invention provides the heavy-anticorrosion waterproof construction method for the liquid dung ditch for live pig breeding.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide a heavy-duty anticorrosion waterproof construction method for a dung ditch for building pig breeding, and in order to achieve the aim, the invention provides the following technical scheme: a construction method of a heavy-duty anticorrosion waterproof manure pit for building pig breeding comprises the following steps:
s1 base layer processing: curing the concrete base surface of the newly-built piggery for a certain time, and when the surface strength of the concrete base surface reaches the design requirement, polishing the base layer to thoroughly remove cement ash laitance, particles and loose objects on the surface;
s2 spray coating of base coat: checking that the former procedure is qualified, preparing a base coat, and starting spraying after the preparation of the base coat is finished, wherein the spraying is performed in a cross way when the base coat is sprayed;
and S3 debugging equipment: spraying field device, raw materials are put in good order, and equipment includes: the coating is coated by a TGA900 asparagus polyurea surface, and the pneumatic stirrer needs to be inserted into a three-opening B charging basket (200L barrel) for construction and stirring during spraying;
s4 spraying fabric: adopting a professional spray gun to carry out spraying operation, firstly carrying out trial spraying on a prepared wood board or plastic film, testing the curing time of the material, if the curing time is normal, then carrying out spraying on the base layer, uniformly and thinly spraying once (commonly called priming) in a spraying range, covering 50% of the curing time when the polyurea material is gelled, if the quality defects such as local bulge and the like occur, timely repairing, carrying out re-spraying repairing within 4 hours, not needing surface treatment, being capable of directly spraying, and having good combination of new and old coatings;
and S5 protection of finished products: the TGA asparagus polyurea after spraying needs to be cured for a certain time, and the final physical performance of the TGA asparagus polyurea is not achieved, so that collision and heavy object rolling are strictly prohibited during the period, and the sprayed polyurea coating needs to be subjected to fire prevention measures in the using process, the sprayed polyurea coating avoids opening holes on the surface, cutting or welding, particularly fire operation such as cutting, welding and the like, and the field fire prevention measures are required to be performed.
Preferably, in S1, the cleaned base surface is kept firm, flat and clean without significant unevenness, holes and cracks.
Preferably, in the step S1, if a large area of honeycomb pitted surface exists locally, the repairing can be performed by applying polymer mortar and polyurea base coat and adding aggregate.
Preferably, in S2, the base coat is a TGA8009 concrete special base coat, and the preparation process of the base coat is as follows: firstly, the TGA8009 is uniformly coated on the component B, then the TGA8009A is uniformly shaken and poured into the component B, an electric stirrer is used for stirring for 2-3 minutes, and then the special wear-resistant bone meal is added according to the proportion of 25-30 percent and is uniformly stirred.
Preferably, in S2, the prepared primer can be operated within 2 hours, the next procedure should be performed within 6-72 hours after the primer is completed, and if the time exceeds 72 hours, it is recommended to perform the subsequent spraying after the sand with 60-80 meshes is used to form a cross-hair surface.
Preferably, in S3, the parameters of the field spraying power supply are three-phase four-wire (380 v), 27KW and 60A current.
Preferably, in S3, the air compressor pressure and air-inflating volume: 7-9kg/cm2 pressure, and air-inflating quantity of above 0.7m 3/min.
Preferably, in S3, the polyurea elastomer sprayer: the static pressure is adjusted to about 2200-.
Preferably, in S4, the spraying sequence adopts a scheme of firstly locally spraying and then integrally spraying, if the defect is repaired for more than 4 hours, the surface to be repaired should be polished, the polished edge is extended by 150mm outwards compared with the surface to be repaired, then the polyurea interface agent is coated, and the surface coating is sprayed after the interface agent is dried.
Preferably, in S5, the paint surface after spraying has a 5-day curing period.
Compared with the prior art, the invention has the following beneficial effects:
the main body of the coating in the invention adopts polyurea coating, and the priming paint and the finish paint both adopt asparagus series polyurea coating, the coating has no solvent and hundred percent solid content, has no toxic and side effect on human and animals, has no peculiar smell, is safe, environment-friendly and fast curing, can be sprayed and formed on any curved surface, inclined surface and vertical surface, has compact and seamless coating without sagging phenomenon, good flexibility, excellent water resistance, antibiosis, good corrosion resistance and chemical medium resistance for inhibiting the growth of microorganisms, excellent water soaking resistance such as acid, alkali, salt and the like, good wear resistance, impact resistance and shock absorption performance for resisting cathodic disbanding, excellent temperature change resistance and fast curing, enables a construction area to be fast recovered for use, and simultaneously adopts the construction mode to carry out spraying construction on the excrement ditch, can completely isolate the contact of the concrete substrate with external moisture and oxygen, has extremely high protection capability, adhesive force and impact strength, and can effectively protect the water resistance of the base surface for a long time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments in the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
A heavy-duty anticorrosion waterproof construction method of a manure pit for building pig breeding comprises the following steps:
s1 base layer processing: curing the concrete base surface of the newly-built pigsty for a certain time, and polishing the base layer when the surface strength of the concrete base surface reaches the design requirement, so as to thoroughly clean cement ash laitance, particles and loose objects on the surface;
s2 spray coating of base coat: after the procedure of the previous process is checked to be qualified, preparing a base coat, starting spraying after the preparation of the base coat is finished, and performing cross spraying when the base coat is sprayed;
and S3 debugging equipment: spraying field device, raw materials are put in good order, and equipment includes: the coating is coated by a TGA900 asparagus polyurea surface, and the pneumatic stirrer needs to be inserted into a three-opening B charging basket (200L barrel) for construction and stirring during spraying;
s4 spraying fabric: adopting a professional spray gun to carry out spraying operation, firstly carrying out trial spraying on a prepared wood board or plastic film, testing the curing time of the material, if the curing time is normal, then carrying out spraying on the base layer, uniformly and thinly spraying once (commonly called priming) in a spraying range, covering 50% of the curing time when the polyurea material is gelled, if the quality defects such as local bulge and the like occur, timely repairing, carrying out re-spraying repairing within 4 hours, not needing surface treatment, being capable of directly spraying, and having good combination of new and old coatings;
and S5 protection of finished products: the TGA asparagus polyurea after spraying needs to be cured for a certain time, and the final physical performance of the TGA asparagus polyurea is not achieved, so that collision and heavy object rolling are strictly prohibited during the period, and the sprayed polyurea coating needs to be subjected to fire prevention measures in the using process, the sprayed polyurea coating avoids opening holes on the surface, cutting or welding, particularly fire operation such as cutting, welding and the like, and the field fire prevention measures are required to be performed.
The first embodiment is as follows:
a construction method of a heavy-duty anticorrosion waterproof manure pit for building pig breeding comprises the following steps:
s1 base layer processing: curing the concrete base surface of the newly-built piggery for a certain time, and when the surface strength of the concrete base surface reaches the design requirement, polishing the base surface, completely removing cement ash laitance, particles and loose objects on the surface, keeping the cleaned base surface firm, flat and clean, and having no obvious unevenness, holes and cracks, if a large-area honeycomb rough surface exists locally, applying polymer mortar, polyurea base coat and aggregate for repairing, and constructing in a wet state;
s2 spray coating of base coat: and (3) preparing a base coat after the former procedure is qualified, starting spraying after the preparation of the base coat is finished, and performing cross spraying when the base coat is sprayed, wherein the base coat adopts the base coat special for TGA8009 concrete, and the preparation flow of the base coat is as follows: firstly, uniformly coating a TGA8009 bottom coat component B, uniformly shaking the TGA8009A component, pouring the TGA8009 into the component B, stirring for 2-3 minutes by using an electric stirrer, adding special wear-resistant aggregate powder according to the proportion of 25-30%, and uniformly stirring, wherein the prepared primer can be operated within 2 hours, the next procedure is constructed within 6-72 hours after the primer is finished, if the time exceeds 72 hours, 60-80 meshes of sand are recommended to be used for cross-shaped galling surface and then subsequent spraying is carried out, and when the primer is sprayed, cross-shaped spraying is adopted, so that the pores on the surface of concrete are completely blocked, the optimal construction temperature is 0-45 ℃, and the air humidity is preferably below 85%;
and S3 debugging equipment: spraying field device, raw materials are put in good order, and equipment includes: the coating is coated by a TGA900 asparagus polyurea surface, and the pneumatic stirrer needs to be inserted into a three-opening B charging basket (200L barrel) for construction and stirring during spraying;
s4, fabric spraying: adopting a professional spray gun to carry out spraying operation, firstly carrying out trial spraying on a prepared wood board or plastic film, testing the curing time of the material, if the curing time is normal, then carrying out spraying on the base layer, uniformly and thinly spraying once (commonly called priming) in a spraying range, covering 50% of the curing time when the polyurea material is gelled, if the quality defects such as local bulge and the like occur, timely repairing, carrying out re-spraying repairing within 4 hours, not needing surface treatment, being capable of directly spraying, and having good combination of new and old coatings;
and S5 protection of finished products: the TGA asparagus polyurea after spraying needs to be cured for a certain time, and the final physical properties of the TGA asparagus polyurea are not achieved, so that collision and heavy object rolling are strictly prohibited in the period, and fire prevention measures need to be made in the use process of the sprayed polyurea coating, the sprayed polyurea coating avoids surface hole forming, cutting or welding as much as possible, particularly fire operation such as cutting, welding and the like, and site fire prevention measures need to be made certainly.
Example two:
a construction method of a heavy-duty anticorrosion waterproof manure pit for building pig breeding comprises the following steps:
s1 base layer processing: curing the concrete base surface of the newly-built piggery for a certain time, and when the surface strength of the concrete base surface reaches the design requirement, polishing the base surface, completely removing cement ash laitance, particles and loose objects on the surface, keeping the cleaned base surface firm, flat and clean, and having no obvious unevenness, holes and cracks, if a large-area honeycomb rough surface exists locally, applying polymer mortar, polyurea base coat and aggregate for repairing, and constructing in a wet state;
s2 spray coating of base coat: and (3) preparing a base coat after the former procedure is qualified, starting spraying after the preparation of the base coat is finished, and performing cross spraying when the base coat is sprayed, wherein the base coat adopts the base coat special for TGA8009 concrete, and the preparation flow of the base coat is as follows: firstly, uniformly coating a TGA8009 bottom coat component B, uniformly shaking the TGA8009A component, pouring the TGA8009 into the component B, stirring for 2-3 minutes by using an electric stirrer, adding special wear-resistant aggregate powder according to the proportion of 25-30%, and uniformly stirring, wherein the prepared primer can be operated within 2 hours, the next procedure is constructed within 6-72 hours after the primer is finished, if the time exceeds 72 hours, 60-80 meshes of sand are recommended to be used for cross-shaped galling surface and then subsequent spraying is carried out, and when the primer is sprayed, cross-shaped spraying is adopted, so that the pores on the surface of concrete are completely blocked, the optimal construction temperature is 0-45 ℃, and the air humidity is preferably below 85%;
and S3 debugging equipment: spraying field device, raw materials are put in good order, and equipment includes: on-the-spot spraying power, air compressor, polyurea elastomer flush coater, pneumatic agitator and storage bucket, coating adopt TGA900 asparagus polyurea face-coat, need insert the interior limit construction of three mouthful of B storage buckets (200L vat) with pneumatic agitator during the spraying, the limit stirring, the parameter of on-the-spot spraying power is three-phase four-wire (380 volts), 27KW, electric current 60A, air compressor pressure and air-inflating volume: 7-9kg/cm2 pressure, air-inflating quantity of more than 0.7m3/min, polyurea elastomer spraying machine: the static pressure is adjusted to 2200-;
s4 spraying fabric: adopting a professional spray gun to carry out spraying operation, firstly carrying out trial spraying on a prepared wood board or plastic film, testing the curing time of the material, if the curing time is normal, then carrying out spraying on a base layer, uniformly and thinly spraying once (commonly called as bottoming) in a spraying range, covering 50% of the gel of the polyurea material, if the quality defects such as local bulge and the like occur, timely repairing, carrying out re-spraying repairing within 4 hours, not needing surface treatment, directly spraying, and well combining new and old coatings;
and S5 protection of finished products: the TGA asparagus polyurea after spraying needs to be cured for a certain time, and the final physical performance of the TGA asparagus polyurea is not achieved, so that collision and heavy object rolling are strictly prohibited during the period, and the sprayed polyurea coating needs to be subjected to fire prevention measures in the using process, the sprayed polyurea coating avoids opening holes on the surface, cutting or welding, particularly fire operation such as cutting, welding and the like, and the field fire prevention measures are required to be performed.
Example three:
a construction method of a heavy-duty anticorrosion waterproof manure pit for building pig breeding comprises the following steps:
s1 base layer processing: curing the concrete base surface of the newly-built piggery for a certain time, and when the surface strength of the concrete base surface reaches the design requirement, polishing the base surface, completely removing cement ash laitance, particles and loose objects on the surface, keeping the cleaned base surface firm, flat and clean, and having no obvious unevenness, holes and cracks, if a large-area honeycomb rough surface exists locally, applying polymer mortar, polyurea base coat and aggregate for repairing, and constructing in a wet state;
s2 spray coating of base coat: and (3) preparing a base coat after the former procedure is qualified, starting spraying after the preparation of the base coat is finished, and performing cross spraying when the base coat is sprayed, wherein the base coat adopts the base coat special for TGA8009 concrete, and the preparation flow of the base coat is as follows: firstly, uniformly coating a TGA8009 bottom coat component B, uniformly shaking the TGA8009A component, pouring the TGA8009 into the component B, stirring for 2-3 minutes by using an electric stirrer, adding special wear-resistant aggregate powder according to the proportion of 25-30%, and uniformly stirring, wherein the prepared primer can be operated within 2 hours, the next procedure is constructed within 6-72 hours after the primer is finished, if the time exceeds 72 hours, 60-80 meshes of sand are recommended to be used for cross-shaped galling surface and then subsequent spraying is carried out, and when the primer is sprayed, cross-shaped spraying is adopted, so that the pores on the surface of concrete are completely blocked, the optimal construction temperature is 0-45 ℃, and the air humidity is preferably below 85%;
s3 debugging equipment: spraying field device, raw materials are put in good order, and equipment includes: on-the-spot spraying power, air compressor, polyurea elastomer flush coater, pneumatic agitator and storage bucket, coating adopt TGA900 asparagus polyurea face-coat, need insert the interior limit construction of three mouthful of B storage buckets (200L vat) with pneumatic agitator during the spraying, the limit stirring, the parameter of on-the-spot spraying power is three-phase four-wire (380 volts), 27KW, electric current 60A, air compressor pressure and air-inflating volume: 7-9kg/cm2 pressure, air-inflating quantity of more than 0.7m3/min, polyurea elastomer spraying machine: the static pressure is adjusted to 2200-;
s4 spraying fabric: adopting a professional spray gun to carry out spraying operation, firstly carrying out trial spraying on a prepared wood board or plastic film, testing the curing time of the material, if the curing time is normal, then carrying out spraying on a base layer, uniformly and thinly spraying once (commonly called as priming) in a spraying range, covering 50% of the gel of the polyurea material, only ensuring that the coating is uniform, if the quality defects such as local swelling and the like occur, timely repairing, carrying out re-spraying repairing within 4 hours, not needing surface treatment, directly spraying, having good combination of new and old coatings, adopting a scheme of firstly locally spraying and then integrally spraying, if the repairing defects exceed 4 hours, polishing the surface to be repaired, wherein the polished edge is expanded by 150mm outwards compared with the surface to be repaired, then coating an interfacial agent, and then spraying the surface coating after the interfacial agent is dried;
and S5 protection of finished products: the TGA aspartic polyurea after being sprayed needs to be cured for a certain time, and the final physical performance is not achieved, so that the collision and heavy object rolling are strictly prohibited during the period, and the sprayed polyurea coating needs to be subjected to fire prevention measures in the using process, the sprayed polyurea coating avoids the operations of opening holes on the surface, cutting or welding, particularly the fire operation such as cutting, welding and the like as much as possible, the fire prevention measures on the spot need to be performed, and the sprayed paint surface needs to be ensured for a curing period of 5 days.
Although embodiments of the present patent have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present patent, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A heavy-duty anticorrosion waterproof construction method of a dung ditch for building pig breeding is characterized in that: the construction method comprises the following steps:
s1 base layer processing: curing the concrete base surface of the newly-built piggery for a certain time, and when the surface strength of the concrete base surface reaches the design requirement, polishing the base layer to thoroughly remove cement ash laitance, particles and loose objects on the surface;
s2 spray coating of base coat: checking that the former procedure is qualified, preparing a base coat, and starting spraying after the preparation of the base coat is finished, wherein the spraying is performed in a cross way when the base coat is sprayed;
and S3 debugging equipment: spraying field device, raw materials are put in good order, and equipment includes: the coating is coated by a TGA900 asparagus polyurea surface, and the pneumatic stirrer needs to be inserted into a three-opening B charging basket (200L barrel) for construction and stirring during spraying;
s4 spraying fabric: adopting a professional spray gun to carry out spraying operation, firstly carrying out trial spraying on a prepared wood board or plastic film, testing the curing time of the material, if the curing time is normal, then carrying out spraying on a base layer, uniformly and thinly spraying once (commonly called as bottoming) in a spraying range, covering 50% of the gel of the polyurea material, if the quality defects such as local bulge and the like occur, timely repairing, carrying out re-spraying repairing within 4 hours, not needing surface treatment, directly spraying, and well combining new and old coatings;
and S5 protection of finished products: the TGA asparagus polyurea after spraying needs to be cured for a certain time, and the final physical properties of the TGA asparagus polyurea are not achieved, so that collision and heavy object rolling are strictly prohibited in the period, and fire prevention measures need to be made in the use process of the sprayed polyurea coating, the sprayed polyurea coating avoids surface hole forming, cutting or welding as much as possible, particularly fire operation such as cutting, welding and the like, and site fire prevention measures need to be made certainly.
2. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in S1, the cleaned base surface is required to be firm, flat and clean without significant unevenness, holes and cracks.
3. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in the S1, if a large-area honeycomb pitted surface exists locally, polymer mortar and polyurea base coats can be applied and the aggregate can be added for repairing.
4. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in the S2, the special TGA8009 concrete base coat is adopted for the base coat, and the preparation process of the base coat is as follows: firstly, the TGA8009 is uniformly coated on the component B, then the TGA8009A is uniformly shaken and poured into the component B, an electric stirrer is used for stirring for 2-3 minutes, and then the special wear-resistant bone meal is added according to the proportion of 25-30 percent and is uniformly stirred.
5. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in the S2, the prepared primer can be operated within 2 hours, the next working procedure is constructed within 6 to 72 hours after the primer is finished, and if the working procedure exceeds 72 hours, sand of 60 to 80 meshes is recommended to be used for forming a crossed napped surface and then subsequent spraying is carried out.
6. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in S3, the parameters of the field spraying power supply are three-phase four-wire (380V), 27KW and 60A current.
7. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in S3, the air compressor pressure and air-inflating volume: 7-9kg/cm2 pressure, and air-inflating quantity of above 0.7m 3/min.
8. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in S3, the polyurea elastomer coating machine: the static pressure is adjusted to about 2200-.
9. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in the S4, the spraying sequence adopts a scheme of firstly locally spraying and then integrally spraying, if the defect is repaired for more than 4 hours, the surface to be repaired is ground, the ground edge is extended outwards by 150mm compared with the surface to be repaired, then the polyurea interface agent is coated, and the surface coating is sprayed after the surface of the interface agent is dried.
10. The heavy-duty anticorrosion waterproof construction method for the manure pit for building pig breeding according to claim 1, characterized in that: in S5, the painted finish has a 5-day curing period.
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