CN113878720A - Brick making process and equipment by utilizing solid construction waste - Google Patents
Brick making process and equipment by utilizing solid construction waste Download PDFInfo
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- CN113878720A CN113878720A CN202111307205.0A CN202111307205A CN113878720A CN 113878720 A CN113878720 A CN 113878720A CN 202111307205 A CN202111307205 A CN 202111307205A CN 113878720 A CN113878720 A CN 113878720A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
- B28C7/0023—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust by heating or cooling
- B28C7/003—Heating, e.g. using steam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Abstract
The application relates to the technical field of building materials, in particular to a brick making process and equipment by utilizing solid building wastes, wherein the brick making process comprises two steps of making sand and making bricks, and the sand making comprises the following steps: manual sorting, magnetic separation, water washing and crushing; the brick making comprises the steps of mixing and stirring materials and making blanks; the equipment for the brick making process by utilizing the solid construction waste is characterized in that: including the building waste brickmaking machine, the building waste brickmaking machine includes the crushing gear at top and the brickmaking mould of bottom, is provided with washing mechanism between crushing gear and the feed inlet, and crushing gear bottom is provided with filter screen, and the bottom of screen cloth is passed through the pipeline and is connected with the stirring storehouse, and the top in stirring storehouse installs a plurality of feed inlets, and the bottom in stirring storehouse is connected and has been seted up the thick liquids funnel. The utilization rate of the construction waste is effectively improved, and the efficiency and the quality of brick making are improved.
Description
Technical Field
The application relates to the technical field of building materials, in particular to a brick making process and equipment by utilizing solid building wastes.
Background
At present, in the process of reforming and planning a city, a large amount of construction waste is generated and is dispersedly accumulated in corners of the city, and if a centralized treatment mode is adopted, the cost is not low and the cost is very high. However, the construction waste brick making equipment is large-scale equipment, so that the driving on urban roads is inconvenient, and waste flying dust generated in the brick making process can cause pollution to the urban environment.
Chinese patent CN108793962A is a method for making bricks by using construction wastes, which mainly comprises sand making and brick making, wherein the sand making comprises the following steps: (a) manual sorting; (b) crushing and magnetic separation; (c) sieving and grinding: sieving the construction waste by using a vibrating screen, then sending the construction waste into a millstone for further grinding the construction waste, and then further sieving the construction waste by using the vibrating screen; (d) sand making: conveying the construction waste sieved twice into a sand making machine, and after the manufactured sand grains pass through a vibrating screen, leaving powdery construction waste sand grains with the diameter smaller than 1mm for making sand; the brick making comprises the following steps: (e) mixing materials: mixing powdery construction waste sand particles and clay powder which is crushed into particles with the diameter of less than 0.5mm according to the weight ratio, adding water and stirring to prepare a uniform mixture; (f) aging: stacking and aging the mixture for more than 72 hours; (g) blank preparation: preparing the mixture into green bricks by adopting a vacuum brick extruding machine or a green brick making machine; (h) and (3) firing to obtain a finished product: putting the green bricks into a tunnel kiln, and drying by using the residual heat of the tunnel kiln; and firing in a tunnel kiln to obtain a finished product.
In view of the above-mentioned related technologies, the inventor considers that the prior art needs links such as crushing, screening, grinding, sand making and the like on construction waste, and considers how to reduce the cost and improve the brick making quality and efficiency.
Disclosure of Invention
In order to overcome the problems in the prior art, the application provides a brick making process and equipment thereof by utilizing solid construction waste.
The application provides a brick making process and equipment utilizing solid construction waste, which adopts the following technical scheme:
a brick making process utilizing solid building wastes comprises two steps of making sand and making bricks, wherein the sand making comprises the following steps: (a) manual sorting: collecting and manually sorting the construction waste, and picking out the household waste and the industrial waste to leave the construction waste; (b) magnetic separation: crushing the sorted construction waste by using a stone crusher, manually picking out large metals such as reinforcing steel bars and the like, and then sorting other metal materials from the crushed construction waste by using a magnetic separator; (c) washing with water: washing the sorted construction waste with water, leaving gravel concrete, and removing soil; (d) crushing; conveying the construction waste cleaned and removed of mud to a grinding gear, and screening through a filter screen after grinding is completed; (e) sieving: the large sand grains screened out are conveyed to a grinding gear again through a material returning mechanism, and the screened powdery construction waste sand grains smaller than 1mm are used for making bricks; (f) and (3) drying: drying the screened powdery building waste to remove the residual moisture on the surface; the brick making comprises the following steps: (g) material mixing: adding fly ash, cement and water into the silt, uniformly mixing according to a proportion, and stirring; (h) blank preparation: and (4) preparing the mixture after the secondary stirring into a green brick by a vacuum extrusion brick or a green brick making machine.
Through adopting above-mentioned technical scheme, carry out manual separation with solid construction waste earlier, collect the construction waste that wherein can utilize, choose domestic waste and industrial waste therein, avoid influencing the quality of follow-up brickmaking. And then carrying out magnetic separation, crushing the sorted construction waste by using a stone crusher, manually taking out massive metals such as reinforcing steel bars and the like, conveying the crushed construction waste into a belt device through a conveying belt, carrying out magnetic separation in the conveying process, and removing fine metal impurities in the construction waste. Entering into the equipment, at first remember nature washing, the effectual earth of getting rid of the construction waste surface enters into and crushes on the grinding gear after accomplishing the washing to the construction waste who just accomplished washing gathers at the process of atress fragmentation, can reduce the heat that the atress extruded produced, and through grinding the particle screening of gear fragmentation, can get back to grinding gear again and carry out work when not reaching the screening standard, make the powdered construction waste sand grain that reaches less than 1mm particle size be used for the brickmaking. And drying the construction waste after the screening is finished, and removing residual moisture on the surface. And (3) making bricks after sand making is finished, mixing the processed construction waste with the fly ash, the cement and the water according to a ratio, and discharging the mixture into equipment for blank making after mixing and stirring.
Preferably, 70-90 parts of silt, 15-20 parts of fly ash, 5-20 parts of cement and 3-13 parts of water are mixed according to the weight proportion.
By adopting the technical scheme, the silt, the fly ash, the cement and the water are mixed according to a certain proportion, most of the silt is mixed with a certain amount of the fly ash and the cement, the effective mixing is carried out, the main body is the silt and the fly ash, the cement is mixed, and the water is added for stirring to form the mortar.
Preferably, the construction waste comprises the following raw materials in parts by weight: comprises 50-70 parts of waste bricks and tiles, 10-20 parts of waste concrete, 10-20 parts of waste mortar sand and 5-10 parts of residue soil.
Through adopting above-mentioned technical scheme, the abandonment brick and tile, concrete, mortar and the dregs that contain in the construction waste, the dregs is clear basically in the cleaning process, and other parts carry out effectual mixture through cement, have realized, can closely combine the material in the construction waste, realize better mixing quality.
Preferably, the screened sand grains of the powdery construction waste with the size less than 1mm are heated and evaporated after being screened out, and the water on the surface of the construction waste which is washed by water is removed.
By adopting the technical scheme, the sieved sand grains are heated and evaporated to remove the water on the surface of the sand grains, so that the problem that the quality of green bricks is poor due to excessive water after mixing is avoided.
Preferably, the equipment for the brick making process by utilizing the solid building wastes comprises a building waste brick making machine, wherein the building waste brick making machine comprises a grinding gear at the top and a brick making die at the bottom, a water washing mechanism is arranged between the grinding gear and the feeding holes, a filtering screen is arranged at the bottom of the grinding gear, the bottom of the filtering screen is connected with a stirring bin through a pipeline, a plurality of feeding holes are formed in the top of the stirring bin, and a slurry hopper is connected and formed in the bottom of the stirring bin.
Through adopting above-mentioned technical scheme, construction waste brickmaking machine, broken process can be implemented to the grinding gear at top, set up washing mechanism between it and feed inlet, the construction waste who gets into can receive the line after the feeding and wash, get rid of the dregs on surface, reentrant grinding gear after accomplishing the washing is broken, it mixes in entering into the stirring storehouse of bottom to accomplish the screening after broken, a plurality of feed inlets that the top in stirring storehouse was equipped with, can realize reinforced of multiple material, can adjust the proportion of mixing, thereby make things convenient for the construction waste of multiple structure to carry out the brickmaking. The slurry hopper at the bottom of the stirring bin can discharge the stirred slurry into green brick making equipment.
Preferably, the washing mechanism is an inclined tubular washing channel, wherein the lower point of the pipeline is positioned at the bottom of the feeding hole, the bottom of the feeding hole is also provided with a wave wheel, and the high point of the pipeline is arranged at one side of the grinding gear.
Through adopting above-mentioned technical scheme, washing mechanism adopts the tubulose washing channel structure of slope, and the construction waste who gets into the feed inlet can carry out the washing in washing mechanism's bottom to the impeller of bottom installation can rotate and can effectively get rid of surperficial dregs, and the high point of pipeline is in one side of grinding the gear, accomplishes abluent construction waste and can enter into grinding the gear through the transmission band and grind on, realizes the continuous operation that will grind from wasing. The soil component in the construction waste is cleaned by water washing, so that the soil component in the whole is not more than 3%, the fine particles are not more than 30%, and the powder is not more than 30%. If the powder is too much, the strength is affected, the forming is not easy under the condition of large drying shrinkage, and the moisture in the green body is not easy to discharge due to too much fine particles, so that the brick making quality is affected.
Preferably, the filtering screen is installed obliquely, and the grinding gear and the side surface of the filtering screen are provided with a material returning mechanism, wherein the inlet end of the material returning mechanism is positioned at the low point of the filtering screen, and the outlet end of the material returning mechanism is arranged above the grinding gear.
Through adopting above-mentioned technical scheme, install the filter screen slope installation in grinding down the gear bottom, can filter through broken construction waste, and the feed back mechanism entry end of large granule then through filter screen low point transmits its exit end, carries out the operation through grinding down the gear once more, finally realizes the standard miniaturation to construction waste, reaches the standard that can carry out the brickmaking.
Preferably, the bottom of the filter screen is provided with a guide funnel, a heating resistance wire is installed on the inner wall of a heating cavity at the bottom of the guide funnel, a through hole is formed in the side wall of the heating cavity and connected with a longitudinal steam discharge pipe, and a condensed water collecting barrel is arranged at the bottom of the steam discharge pipe.
Through adopting above-mentioned technical scheme, filter screen's bottom carries out the leading-in heating cavity of granule that will filter out through the guide funnel, the granule that passes through is heated to interior wall mounting's heating resistor silk, the moisture on granule surface evaporates, and heat the fore-and-aft steam discharge pipe of being connected on the cavity lateral wall, can discharge vapor, thereby realized the drying to the granule, and in order to avoid the vapor condensation backward flow, at the bottom installation comdenstion water collecting vessel of steam discharge pipe, can collect the drop of water of condensation.
Preferably, the rear exhaust fan is arranged at the joint of the heating cavity and the steam discharge pipe, and the condensed water collecting barrel is detachably connected with the bottom of the steam discharge pipe.
Through adopting above-mentioned technical scheme, the exhaust fan is installed to the junction of heating cavity and vapour discharge pipe, can extract the vapor in the heating cavity for its evaporation exhaust speed, and the comdenstion water collecting vessel can be dismantled with the bottom of vapour discharge pipe and be connected, can conveniently empty the comdenstion water.
Preferably, the connecting part of the bottom of the heating cavity and the stirring bin and a plurality of openings at the top of the stirring bin adopt spiral feeding holes.
Through adopting above-mentioned technical scheme, the spiral feed inlet that heating cavity bottom and stirring storehouse junction were equipped with can the controller feed speed to stirring storehouse top adopts spiral feed inlet equally, can be adding the in-process of other mixtures, can control its feeding volume, realizes better ratio.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the construction waste is subjected to manual and magnetic separation and cleaning to remove impurities in the construction waste, the residual materials can meet the standards of brickmaking raw materials, the construction waste is effectively utilized, and the brickmaking quality of the waste is greatly improved;
2. the water on the surface of the construction waste is removed by adopting a resistance wire heating mode, and the condensed water collecting barrel arranged at the steam outlet effectively avoids the backflow of the condensed water and ensures the drying effect;
3. the construction waste after manual screening and magnetic separation enters integrated equipment, and the operations of cleaning, screening, drying and brick making are carried out in the equipment, so that the efficient and stable brick making of the construction waste is realized.
Drawings
FIG. 1 is a flow chart of a brick-making process using solid construction waste and an apparatus therefor;
FIG. 2 is a schematic diagram of the construction of the brick-making process using solid construction waste and the equipment in the apparatus.
Description of reference numerals: 1. grinding the gear; 2. making a brick mould; 3. a feed inlet; 4. a water washing mechanism; 41. a tubular cleaning channel; 42. an impeller; 5. filtering the screen; 51. a material returning mechanism; 52. a material guide hopper; 53. heating the cavity; 531. heating resistance wires; 532. a vapor discharge pipe; 533. a condensed water collecting bucket; 534. an exhaust fan; 6. a pipeline; 7. a stirring bin; 71. a screw feed port; 72. a slurry hopper.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
Example 1
The embodiment of the application discloses a brick making process by utilizing solid construction waste and equipment thereof.
Referring to fig. 1, a brick making process using solid construction waste comprises two steps of making sand and making bricks, wherein the sand making comprises the following steps: (a) manual sorting: collecting and manually sorting the construction waste, and picking out the household waste and the industrial waste to leave the construction waste; (b) magnetic separation: crushing the sorted construction waste by using a stone crusher, manually picking out large metals such as reinforcing steel bars and the like, and then sorting other metal materials from the crushed construction waste by using a magnetic separator; (c) washing with water: washing the sorted construction waste with water, leaving gravel concrete, and removing soil; (d) crushing; conveying the construction waste cleaned and removed of mud to a grinding gear, and screening through a filter screen after grinding is completed; (e) sieving: the large sand grains screened out are conveyed to a grinding gear again through a material returning mechanism, and the screened powdery construction waste sand grains smaller than 1mm are used for making bricks; (f) and (3) drying: drying the screened powdery building waste to remove the residual moisture on the surface; the brick making comprises the following steps: (g) material mixing: adding fly ash, cement and water into the silt, uniformly mixing according to a proportion, and stirring; (h) blank preparation: and (4) preparing the mixture after the secondary stirring into a green brick by a vacuum extrusion brick or a green brick making machine. The solid construction waste is firstly manually sorted, the construction waste which can be utilized is collected, and the domestic garbage and the industrial garbage are sorted out, so that the influence on the quality of subsequent brickmaking is avoided. And then carrying out magnetic separation, crushing the sorted construction waste by using a stone crusher, manually taking out massive metals such as reinforcing steel bars and the like, conveying the crushed construction waste into a belt device through a conveying belt, carrying out magnetic separation in the conveying process, and removing fine metal impurities in the construction waste. Entering into the equipment, at first remember nature washing, the effectual earth of getting rid of the construction waste surface enters into and crushes on the grinding gear after accomplishing the washing to the construction waste who just accomplished washing gathers at the process of atress fragmentation, can reduce the heat that the atress extruded produced, and through grinding the particle screening of gear fragmentation, can get back to grinding gear again and carry out work when not reaching the screening standard, make the powdered construction waste sand grain that reaches less than 1mm particle size be used for the brickmaking. And drying the construction waste after the screening is finished, and removing residual moisture on the surface. And (3) making bricks after sand making is finished, mixing the processed construction waste with the fly ash, the cement and the water according to a ratio, and discharging the mixture into equipment for blank making after mixing and stirring.
Referring to fig. 2, the apparatus for making bricks by using solid construction wastes comprises a construction waste brick making machine, wherein the construction waste brick making machine comprises a grinding gear at the top and a brick making die at the bottom, a water washing mechanism is arranged between the grinding gear and a feeding hole, a filtering screen is arranged at the bottom of the grinding gear, the bottom of the filtering screen is connected with a stirring bin through a pipeline, a plurality of feeding holes are arranged at the top of the stirring bin, and a slurry hopper is connected and arranged at the bottom of the stirring bin. Building waste brickmaking machine, broken process can be implemented to the grinding gear at top, set up washing mechanism between it and feed inlet, the building waste of entering can receive the line after the feeding and wash, get rid of surperficial dregs, it is broken to enter into again on grinding the gear after accomplishing the washing, it mixes in the stirring storehouse that enters into the bottom through the screening after accomplishing the breakage, a plurality of feed inlets that the top in stirring storehouse was equipped with, can realize the reinforced of multiple material, can adjust the proportion of mixing, thereby make things convenient for the building waste of multiple structure to carry out the brickmaking. The slurry hopper at the bottom of the stirring bin can discharge the stirred slurry into green brick making equipment.
Referring to fig. 1, silt, fly ash, cement and water are mixed according to a weight ratio, wherein the silt is 90 parts, the fly ash is 20 parts, the cement is 20 parts, and the water is 13 parts. The fly ash-cement mortar is prepared by mixing the silt, the fly ash, the cement and water according to a certain proportion, mixing most of the silt with a certain amount of the fly ash and the cement, effectively mixing, taking the main body of the silt and the fly ash as the main body, mixing the cement, adding water and stirring.
Referring to fig. 1, the construction waste comprises the following raw materials in parts by weight: comprises 70 parts of waste bricks and tiles, 20 parts of waste concrete, 20 parts of waste mortar and sand and 10 parts of residue soil. Waste bricks and tiles, concrete, mortar and muck contained in the construction waste are basically clear in the cleaning process, and other parts are effectively mixed by cement, so that the materials in the construction waste can be tightly combined, and the better mixing quality is realized.
Referring to fig. 1, after the screened powdery construction waste sand grains with the size less than 1mm are screened out, heating evaporation is carried out to remove water on the surface of the construction waste which is washed by water. The sieved sand grains are heated and evaporated to remove the water on the surface of the sand grains, so that the problem that the quality of green bricks is poor due to excessive water after mixing is avoided.
Example 2
Referring to fig. 1, a brick making process using solid construction waste comprises two steps of making sand and making bricks, wherein the sand making comprises the following steps: (a) manual sorting: collecting and manually sorting the construction waste, and picking out the household waste and the industrial waste to leave the construction waste; (b) magnetic separation: crushing the sorted construction waste by using a stone crusher, manually picking out large metals such as reinforcing steel bars and the like, and then sorting other metal materials from the crushed construction waste by using a magnetic separator; (c) washing with water: washing the sorted construction waste with water, leaving gravel concrete, and removing soil; (d) crushing; conveying the construction waste cleaned and removed of mud to a grinding gear, and screening through a filter screen after grinding is completed; (e) sieving: the large sand grains screened out are conveyed to a grinding gear again through a material returning mechanism, and the screened powdery construction waste sand grains smaller than 1mm are used for making bricks; (f) and (3) drying: drying the screened powdery building waste to remove the residual moisture on the surface; the brick making comprises the following steps: (g) material mixing: adding fly ash, cement and water into the silt, uniformly mixing according to a proportion, and stirring; (h) blank preparation: and (4) preparing the mixture after the secondary stirring into a green brick by a vacuum extrusion brick or a green brick making machine. The solid construction waste is firstly manually sorted, the construction waste which can be utilized is collected, and the domestic garbage and the industrial garbage are sorted out, so that the influence on the quality of subsequent brickmaking is avoided. And then carrying out magnetic separation, crushing the sorted construction waste by using a stone crusher, manually taking out massive metals such as reinforcing steel bars and the like, conveying the crushed construction waste into a belt device through a conveying belt, carrying out magnetic separation in the conveying process, and removing fine metal impurities in the construction waste. Entering into the equipment, at first remember nature washing, the effectual earth of getting rid of the construction waste surface enters into and crushes on the grinding gear after accomplishing the washing to the construction waste who just accomplished washing gathers at the process of atress fragmentation, can reduce the heat that the atress extruded produced, and through grinding the particle screening of gear fragmentation, can get back to grinding gear again and carry out work when not reaching the screening standard, make the powdered construction waste sand grain that reaches less than 1mm particle size be used for the brickmaking. And drying the construction waste after the screening is finished, and removing residual moisture on the surface. And (3) making bricks after sand making is finished, mixing the processed construction waste with the fly ash, the cement and the water according to a ratio, and discharging the mixture into equipment for blank making after mixing and stirring.
Referring to fig. 2, the apparatus for making bricks by using solid construction wastes comprises a construction waste brick making machine, wherein the construction waste brick making machine comprises a grinding gear at the top and a brick making die at the bottom, a water washing mechanism is arranged between the grinding gear and a feeding hole, a filtering screen is arranged at the bottom of the grinding gear, the bottom of the filtering screen is connected with a stirring bin through a pipeline, a plurality of feeding holes are arranged at the top of the stirring bin, and a slurry hopper is connected and arranged at the bottom of the stirring bin. Building waste brickmaking machine, broken process can be implemented to the grinding gear at top, set up washing mechanism between it and feed inlet, the building waste of entering can receive the line after the feeding and wash, get rid of surperficial dregs, it is broken to enter into again on grinding the gear after accomplishing the washing, it mixes in the stirring storehouse that enters into the bottom through the screening after accomplishing the breakage, a plurality of feed inlets that the top in stirring storehouse was equipped with, can realize the reinforced of multiple material, can adjust the proportion of mixing, thereby make things convenient for the building waste of multiple structure to carry out the brickmaking. The slurry hopper at the bottom of the stirring bin can discharge the stirred slurry into green brick making equipment.
Referring to fig. 2, the washing mechanism is an inclined tubular washing channel, wherein the lower point of the pipeline is located at the bottom of the feed inlet, the bottom of the feed inlet is also provided with a wave wheel, and the high point of the pipeline is arranged at one side of the crushing gear. The washing mechanism adopts the tubulose washing channel structure of slope, and the construction waste who gets into the feed inlet can carry out the washing in washing mechanism's bottom to the impeller of bottom installation can rotate and can effectively get rid of surperficial dregs, and the high point of pipeline is in one side of grinding gear, accomplishes abluent construction waste and can enter into grinding gear through the transmission band and pulverize on, realizes from the continuous operation that the washing will pulverize. The soil component in the construction waste is cleaned by water washing, so that the soil component in the whole is not more than 3%, the fine particles are not more than 30%, and the powder is not more than 30%. If the powder is too much, the strength is affected, the forming is not easy under the condition of large drying shrinkage, and the moisture in the green body is not easy to discharge due to too much fine particles, so that the brick making quality is affected.
Referring to fig. 2, the filtering screen is installed to be inclined, and the grinding gear and the side of the filtering screen are installed with a material returning mechanism, wherein an inlet end of the material returning mechanism is located at a low point of the filtering screen, and an outlet end of the material returning mechanism is disposed above the grinding gear. Install the filter screen slope installation in grinding down the gear bottom, can filter through broken construction waste, and the feed back mechanism entry end of large granule then through filter screen low point transmits its exit end, carries out the operation through grinding down the gear once more, finally realizes the standard miniaturation to construction waste, reaches the standard that can carry out the brickmaking.
Referring to fig. 2, a material guide funnel is arranged at the bottom of the filter screen, a heating resistance wire is installed on the inner wall of a heating cavity at the bottom of the material guide funnel, a longitudinal steam discharge pipe is connected with a through hole on the side wall of the heating cavity, and a condensed water collection barrel is arranged at the bottom of the steam discharge pipe. The bottom of filter screen carries out the leading-in heating cavity of granule that will filter out through the guide funnel, and interior wall mounting's heating resistor silk heats the granule of process, and the moisture on granule surface evaporates, and heat the fore-and-aft vapour discharge pipe of being connected on the cavity lateral wall, can discharge vapour, thereby realized the drying to the granule, and in order to avoid vapour condensation backward flow, at the bottom installation comdenstion water collecting vessel of vapour discharge pipe, can collect the drop of water of condensation.
Referring to fig. 2, a rear exhaust fan is installed at the junction of the heating cavity and the steam discharge pipe, and the condensed water collection bucket is detachably connected with the bottom of the steam discharge pipe. The exhaust fan is installed to the junction of heating cavity and vapour discharge pipe, can extract the vapor in the heating cavity for its evaporation exhaust speed, and the comdenstion water collecting vessel can be dismantled with the bottom of vapour discharge pipe and be connected, can conveniently empty the comdenstion water.
Referring to fig. 2, the connection part of the bottom of the heating cavity and the stirring bin and a plurality of openings at the top of the stirring bin are all provided with spiral feed inlets. The spiral feed inlet that the junction in heating cavity bottom and stirring storehouse was equipped with can the controller input speed to stirring storehouse top adopts spiral feed inlet equally, can be adding the in-process of other mixtures, can control its feeding volume, realizes better ratio.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A brick making process utilizing solid building wastes comprises two steps of making sand and making bricks, and is characterized in that: the sand making comprises: (a) manual sorting: collecting and manually sorting the construction waste, and picking out the household waste and the industrial waste to leave the construction waste; (b) magnetic separation: crushing the sorted construction waste by using a stone crusher, manually picking out large metals such as reinforcing steel bars and the like, and then sorting other metal materials from the crushed construction waste by using a magnetic separator; (c) washing with water: washing the sorted construction waste with water, leaving gravel concrete, and removing soil; (d) crushing; conveying the construction waste cleaned and removed with mud to a grinding gear (1), and screening through a filter screen (5) after grinding is finished; (e) sieving: the large sand grains screened out are conveyed to the grinding gear (1) again through a material returning mechanism (51), and the screened powdery construction waste sand grains smaller than 1mm are used for making bricks; (f) and (3) drying: drying the screened powdery building waste to remove the residual moisture on the surface; the brick making comprises the following steps: (g) material mixing: adding fly ash, cement and water into the silt, uniformly mixing according to a proportion, and stirring; (h) blank preparation: and (4) preparing the mixture after the secondary stirring into a green brick by a vacuum extrusion brick or a green brick making machine.
2. The brick making process and the equipment thereof by utilizing the solid construction waste as claimed in claim 1, wherein the brick making process comprises the following steps: the silt, the fly ash, the cement and the water are mixed according to a weight ratio, wherein 70-90 parts of the silt, 15-20 parts of the fly ash, 5-20 parts of the cement and 3-13 parts of the water are mixed.
3. The brick making process and the equipment thereof by utilizing the solid construction waste as claimed in claim 1, wherein the brick making process comprises the following steps: the construction waste comprises the following raw materials in parts by weight: comprises 50-70 parts of waste bricks and tiles, 10-20 parts of waste concrete, 10-20 parts of waste mortar sand and 5-10 parts of residue soil.
4. The brick making process and the equipment thereof by utilizing the solid construction waste as claimed in claim 1, wherein the brick making process comprises the following steps: and after the sieved powdery construction waste sand grains with the size less than 1mm are sieved out, heating and evaporating to remove the water on the surface of the washed construction waste.
5. An apparatus for performing the brick-making process using solid construction waste as claimed in claim 1, wherein: including building waste brickmaking machine, building waste brickmaking machine includes grinding gear (1) at top and brickmaking mould (2) of bottom, be provided with washing mechanism (4) between grinding gear (1) and feed inlet (3), grinding gear (1) bottom is provided with filter screen cloth (5), the bottom of filter screen cloth (5) is passed through connecting tube (6) and is connected with stirring storehouse (7), and stirs the top in storehouse (7) and install a plurality of feed inlets (3), slurry funnel (72) have been seted up in the bottom connection in stirring storehouse (7).
6. The apparatus for manufacturing brick using solid construction waste as claimed in claim 5, wherein: the cleaning mechanism is an inclined tubular cleaning channel (41), wherein the lower point of the pipeline (6) is positioned at the bottom of the feed port (3), the bottom of the feed port (3) is also provided with a wave wheel (42), and the high point of the pipeline (6) is arranged at one side of the grinding gear (1).
7. The apparatus for manufacturing brick using solid construction waste as claimed in claim 5, wherein: the filtering screen (5) is obliquely arranged, and the side surfaces of the grinding gear (1) and the filtering screen (5) are provided with a material returning mechanism (51), wherein the inlet end of the material returning mechanism (51) is positioned at the low point of the filtering screen (5), and the outlet end of the material returning mechanism (51) is arranged above the grinding gear (1).
8. The apparatus for manufacturing brick using solid construction waste as claimed in claim 5, wherein: the bottom of the filtering screen (5) is provided with a guide funnel (52), the inner wall of a heating cavity (53) at the bottom of the guide funnel (52) is provided with a heating resistance wire (531), the side wall of the heating cavity (53) is provided with a through hole connected with a longitudinal steam discharge pipe (532), and the bottom of the steam discharge pipe (532) is provided with a condensed water collecting barrel (533).
9. The apparatus for manufacturing brick using solid construction waste as claimed in claim 8, wherein: a rear exhaust fan (534) is arranged at the joint of the heating cavity (53) and the steam discharge pipe (532), and the condensed water collecting barrel (533) is detachably connected with the bottom of the steam discharge pipe (532).
10. The apparatus for manufacturing brick using solid construction waste as claimed in claim 8, wherein: the bottom of the heating cavity (53) and the connecting pipeline (6) of the stirring bin (7) and a plurality of openings at the top of the stirring bin (7) are all provided with spiral feed inlets (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307205.0A CN113878720A (en) | 2021-11-05 | 2021-11-05 | Brick making process and equipment by utilizing solid construction waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307205.0A CN113878720A (en) | 2021-11-05 | 2021-11-05 | Brick making process and equipment by utilizing solid construction waste |
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| Publication Number | Publication Date |
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| CN113878720A true CN113878720A (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111307205.0A Withdrawn CN113878720A (en) | 2021-11-05 | 2021-11-05 | Brick making process and equipment by utilizing solid construction waste |
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| Country | Link |
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| CN (1) | CN113878720A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455933A (en) * | 2022-02-28 | 2022-05-10 | 台州市南洋建材有限公司 | Aerated concrete block, preparation method and equipment thereof |
| CN115780010A (en) * | 2022-10-21 | 2023-03-14 | 烟台鑫龙建筑工程有限公司 | Novel high-efficiency energy-saving building cutting block and processing equipment |
-
2021
- 2021-11-05 CN CN202111307205.0A patent/CN113878720A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455933A (en) * | 2022-02-28 | 2022-05-10 | 台州市南洋建材有限公司 | Aerated concrete block, preparation method and equipment thereof |
| CN114455933B (en) * | 2022-02-28 | 2022-10-18 | 台州市南洋建材有限公司 | Aerated concrete block, preparation method and equipment thereof |
| CN115780010A (en) * | 2022-10-21 | 2023-03-14 | 烟台鑫龙建筑工程有限公司 | Novel high-efficiency energy-saving building cutting block and processing equipment |
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