CN211362853U - Compounding device is used in dry powder mortar production and processing - Google Patents
Compounding device is used in dry powder mortar production and processing Download PDFInfo
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- CN211362853U CN211362853U CN201922107391.8U CN201922107391U CN211362853U CN 211362853 U CN211362853 U CN 211362853U CN 201922107391 U CN201922107391 U CN 201922107391U CN 211362853 U CN211362853 U CN 211362853U
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Abstract
The utility model discloses a compounding device is used in dry powder mortar production and processing, including first compounding section of thick bamboo and second compounding section of thick bamboo, first compounding section of thick bamboo upside is close to the left end position and is provided with the hopper, and the right side of first compounding section of thick bamboo is provided with second compounding section of thick bamboo. Realize the coarse mixing compounding of dry powder mortar and in the second compounding section of thick bamboo through the conveying pipe under the drive of first spiral area through first puddler and the first spiral area in the first compounding mechanism that sets up in the first compounding section of thick bamboo, first gear on the first drive rod drives the second gear fast turn and drives the second transfer line fast turn and realize that second puddler and second spiral area carry out quick stirring compounding to carry out dry powder mortar right under the drive of second spiral area and realize automatic row material, realize that the efficiency of the compounding processing of carrying out compounding and the automatic great improvement dry powder mortar of row material to dry powder mortar of continuity.
Description
Technical Field
The utility model relates to a dry powder mortar production and processing technology field specifically is a compounding device is used in dry powder mortar production and processing.
Background
The dry powder mortar is a granular or powdery material which is formed by physically mixing dry and screened fine aggregate, inorganic cementing material, water-retaining thickening material, mineral admixture and additive according to a certain proportion, and is transported to a construction site in a bag or bulk form, and the material can be directly used after being mixed with water. Compared with the traditional on-site stirring mortar, the dry powder mortar has the following advantages: (1) the quality is excellent; (2) the variety is rich; (3) the construction performance is good; (4) the use is convenient; (5) the environment is protected; (6) and (4) economy.
Common building heat-insulating materials are mainly divided into organic materials, such as polystyrene boards, polyurethane, rubber powder particles and the like; and inorganic materials such as aerated concrete, rock wool and vitrified micro bubbles. Because the organic material products have the advantages of light weight, low heat conductivity coefficient and good heat preservation effect, the current building heat preservation products in China are mainly organic materials and are widely applied to northern cold areas. However, the organic material heat insulating material has poor high temperature resistance and fire prevention effect, and once caused fire disasters in the Shanghai, Shenyang and other places, the application of the organic material in high-rise buildings is forcibly prohibited by the nation.
The inorganic thermal insulation mortar is composed of non-combustible inorganic materials, has higher safety than organic materials, and is mainly divided into expanded perlite thermal insulation mortar and vitrified micro-bead thermal insulation mortar. The expanded perlite thermal insulation mortar has the advantages of high water absorption, easy pulverization, high volume loss rate in slurry construction, low later strength of products, hollowing and cracking, reduction of thermal insulation performance and the like. The vitrified microsphere thermal insulation mortar is a novel inorganic thermal insulation mortar material which is formed by mixing vitrified microsphere serving as a light aggregate and an additive according to a certain proportion, and has the advantages of stable thermal insulation performance, good construction performance, small shrinkage, good freezing resistance and the like. However, the vitrified micro bubble thermal mortar has the defects of low strength, long solidification time and the like, and the solidification time generally exceeds 12 hours, so that the construction period is relatively prolonged.
In the high-strength vitrified micro-bead heat-insulation fireproof mortar with the patent application number of 201410233074.X, the strength of the high-strength vitrified micro-bead heat-insulation fireproof mortar is increased by adding polypropylene fibers and the like to prepare the high-strength heat-insulation fireproof mortar, but the polypropylene fibers are organic materials and belong to combustible materials, so that the fireproof temperature of the fireproof mortar is relatively low.
Disclosure of Invention
An object of the utility model is to provide a dry powder mortar and preparation method thereof has better mechanical properties, and the setting time is short, and the cohesiveness is good, and intensity is high, and waterproof ability is strong, and it is effectual to keep warm the fire prevention.
The technical scheme of the utility model is realized like this:
the utility model provides a dry-mixed mortar, which is prepared from the following raw materials in parts by weight: 100-150 parts of modified polyurethane/diatomite composite material, 20-30 parts of expanded vermiculite, 25-35 parts of hollow glass beads, 5-12 parts of medium sand, 7-18 parts of sodium carboxymethylcellulose, 15-30 parts of gypsum, 5-10 parts of EVA (ethylene vinyl acetate) rubber powder, 3-7 parts of styrene, 3-7 parts of chloride antifreezing agent, 1-5 parts of aliphatic series water reducing agent, 10-20 parts of fly ash and 10-15 parts of mineral admixture; the mineral admixture comprises 15-30 parts of ground blast furnace slag, 5-10 parts of bentonite, 7-12 parts of ground calcium carbonate, 3-10 parts of talcum powder, 10-15 parts of basalt, 3-7 parts of washed sand, 20-30 parts of polyethylene glycol 40020 and 120 parts of water 100-; the mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone and sieving the ground blast furnace slag, the bentonite, the basalt, the washed sand and the ground limestone with a 500-mesh sieve to obtain powder, mixing and stirring the powder with talcum powder, polyethylene glycol 400 and water for 30-50min, performing swing granulation, sintering solid particles at the temperature of 1200-1500 ℃ for 2-3h, cooling, crushing and sieving the particles with a 500-mesh sieve to obtain a mineral admixture; the medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.2-2.5; the particle size of the hollow glass bead is 100-200 mu m, and the wall thickness is 1-2 mu m.
As a further improvement of the utility model, the modified polyurethane/diatomite composite material is prepared by the following method:
s1, modification of diatomite: pouring diatomite into an ethanol water solution, adding a silane coupling agent, uniformly stirring, pretreating for 30-60min, putting the modified diatomite into a drying oven, and drying in vacuum for 1-2h at the temperature of 60 ℃;
s2. preparation of the component A: taking out the modified diatomite, adding the modified diatomite into polyether polyol, adding a catalyst, and fully stirring for later use;
s3, preparing a component B: weighing polyphenyl polymethylene polyisocyanate for later use;
s4, preparing the modified polyurethane/diatomite composite material: and rapidly stirring and mixing the prepared component A and the component B, pouring the mixture into a cylindrical steel mould, demoulding after the mixture is solidified and formed, putting the demoulded mixture into water, and solidifying the demoulded mixture for 1 to 3 hours under the drying condition of different temperatures of 30 ℃.
As a further improvement of the present invention, the mass fraction of ethanol in the ethanol solution in step S1 is 75-80%.
As a further improvement of the present invention, in step S2, the polyether polyol is polyether polyol GR4110B and/or polyether polyol TMN450, the hydroxyl value of polyether polyol GR4110B is 550mgKOH/g, and the hydroxyl value of polyether polyol TMN450 is 220 mgKOH/g.
As a further improvement of the present invention, in step S2, the catalyst is selected from one or more of dibutyltin dilaurate, stannous isooctanoate, triethylenediamine, dimethylethanolamine, bis (dimethylaminoethyl) ether, N-ethyl morpholine, N' -dimethylpiperazine, and N-methyloxymorpholine.
As a further improvement of the present invention, the stirring rotation speed in steps S1 and S2 is 700 + min, and the rapid stirring rotation speed in step S4 is 1200 r/min.
As a further improvement of the utility model, the silane coupling agent is selected from one or a mixture of several of KH550, KH560, A-1110, A-1120, A-2120, A-1170 and A-187.
As a further improvement of the utility model, the mass ratio of the diatomite to the silane coupling agent is 1: (0.2-0.5), wherein the mass ratio of the modified diatomite, the polyether polyol, the polyphenyl polymethylene polyisocyanate and the catalyst is 100: (22-30): (20-25): (0.5-1).
The utility model discloses further protect a preparation method of above-mentioned dry powder mortar, including following step:
s1, uniformly mixing medium sand, a mineral admixture, expanded vermiculite and fly ash in a mixing device, wherein the stirring temperature is 50 ℃;
s2, adding EVA rubber powder, styrene, a chloride antifreezing agent, an aliphatic water reducing agent and sodium carboxymethyl cellulose into the mixing device, continuously stirring, and stirring for 4 minutes at the same temperature;
and S3, adding the modified polyurethane/diatomite composite material, the gypsum and the hollow glass beads into the mixing device, continuously stirring, and continuously stirring for 3 minutes to fully and uniformly mix to obtain the dry-mixed mortar.
As a further improvement of the utility model, the mixing device is a mixing device for producing and processing dry powder mortar, the stirring speed is 1000-, second stirring rods which are uniformly arranged are arranged on a second transmission rod, the position, close to the left end, of the second transmission rod is fixedly connected with the left end of a second spiral belt, the right end of the first transmission rod penetrates through the right side wall of a first mixing barrel and is fixedly sleeved with a first gear, the left end of the second transmission rod penetrates through the left side wall of the second mixing barrel and is fixedly sleeved with a second gear, the first gear is meshed with the second gear, the transmission ratio of the first gear to the second gear is 1:2, coarse stirring and mixing of dry powder mortar are realized through the first stirring rod and the first spiral belt in a first mixing mechanism arranged in the first mixing barrel, the dry powder mortar is conveyed into the second mixing barrel through a conveying pipe under the driving of the first spiral belt, the first gear on the first transmission rod drives the second gear to rotate quickly to drive the second transmission rod to rotate quickly so as to stir and mix the second stirring rod and the second spiral belt, and dry powder mortar is conveyed to the right under the driving of the second spiral belt to realize automatic discharging, the efficiency of mixing processing of dry powder mortar is greatly improved by continuously mixing and automatically discharging the dry powder mortar.
As the utility model discloses a further improvement, the one end cover of arranging the material cover is established at the right-hand member of second compounding section of thick bamboo, and arranges the downside of material cover and be provided with row material side's pipe, covers the row material side's pipe that sets up through arranging the material and realizes arranging the material to dry powder mortar.
As a further improvement, the front and back sides of the first mixing cylinder are provided with first fixing plates, the lower end surface of the first fixing plate is provided with first rollers, and the first fixing plate and the first rollers are arranged to support the first mixing cylinder in a movable manner.
As a further improvement, the front and back sides of the second mixing cylinder are provided with second fixing plates, the lower end face of each second fixing plate is provided with a second roller, and the second fixing plates and the second rollers are arranged to realize the movable support of the second mixing cylinder.
As a further improvement of the utility model, one side of first compounding section of thick bamboo is provided with dust absorption mechanism, dust absorption mechanism includes the suction hood, the suction hood sets up the one side at the last port of hopper, and the inboard of suction hood is provided with the fan, the one end of suction hood is connected with the rose box through vertical blast pipe, the one end of rose box is close to the upper end position and is provided with the gas vent, and be located gas vent department and be provided with the filter, the other end of rose box is close to the lower extreme position and is provided with the door plant of opening, fan drive suction hood through setting sucks away the levitate dust of hopper upper end port and carries out filtration purification in the blast pipe conveyer belt rose box.
The utility model discloses following beneficial effect has:
1. the utility model greatly improves the fireproof temperature of the mortar by using the expanded vermiculite as the raw material, so that the fireproof temperature can reach 1200 ℃, and the fireproof performance can reach A1 level; meanwhile, the solidification time of the mortar is reduced, and the construction period is effectively shortened;
2. the utility model greatly improves the compressive strength of the mortar by utilizing the gypsum, the coal ash, the medium sand and the blast furnace slag, not only can save energy consumption, but also can reduce production cost, and realizes cyclic utilization of ash slag, energy conservation and environmental protection;
3. the polyurethane/diatomite composite material prepared in the utility model has the advantages that the polyurethane/diatomite composite material not only has excellent heat preservation characteristic of polyurethane, but also can be fully connected with the polyurethane by surface modification of the diatomite through the silane coupling agent, the prepared material has excellent mechanical property and cohesiveness, and the contained diatomite does not contain toxic and harmful substances, is wear-resistant and not easy to pulverize, can purify air, and is green and environment-friendly;
4. the mineral admixture, the EVA rubber powder and the carboxymethyl cellulose of the utility model can form a layer of compact net structure with other materials of the utility model through the interaction of the solvent, the strength is high, the cohesiveness is durable, and the wall surface is not easy to be descaled;
5. the utility model discloses in realize through first puddler and the first spiral area in the first compounding mechanism that sets up in the first compounding section of thick bamboo that coarse mixing compounding to the dry powder mortar is and in the second compounding section of thick bamboo is sent into through the conveying pipe under the drive of first spiral area, first gear on the first drive pole drives the second gear and rotates fast and drive the second transfer line and rotate fast and realize that second puddler and second spiral area carry out quick stirring compounding to carry out the automatic row material with the dry powder mortar right under the drive of second spiral area and realize that the automation is arranged, realize the continuity carry out the compounding and the efficiency of the compounding processing of the great improvement dry powder mortar of automatic row material to the dry powder mortar.
To sum up the utility model discloses the cohesiveness is good, and intensity is high, and waterproof capability is strong, and the heat preservation fire prevention is effectual, has wide application prospect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a perspective view of a mixing device for producing and processing dry mortar, which is shown in the utility model;
FIG. 2 is a schematic cross-sectional view of a mixing device for producing and processing dry-mixed mortar, which is shown in the utility model;
FIG. 3 is a schematic view of a discharge cover of the mixing device for producing and processing dry-mixed mortar of the present invention;
fig. 4 is a schematic view of a first material mixing mechanism of the material mixing device for producing and processing dry-mixed mortar of the utility model;
fig. 5 is a schematic view of a second material mixing mechanism of the material mixing device for producing and processing dry-mixed mortar of the utility model;
fig. 6 is a schematic view of a dust suction mechanism of the mixing device for producing and processing dry powder mortar of the utility model.
Table 1 is the utility model discloses an illustrated capability test table.
In the figure: 1. a dust suction mechanism; 110. a dust hood; 120. a fan; 130. an exhaust pipe; 140. a filter box; 150. a filter plate; 2.a hopper; 3. a second mixing barrel; 4. a first roller; 5. a first mixing barrel; 6. a first fixing plate; 7. a second fixing plate; 8. a second roller; 9. a discharge hood; 91. discharging square tubes; 10. a first mixing mechanism; 101. a first drive lever; 102. a first stirring rod; 103. a first helical band; 11. a feed pipe; 12. a second mixing mechanism; 121. a second transmission rod; 122. a second stirring rod; 123. a second helical band.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The raw materials comprise the following components in parts by weight: 100 parts of modified polyurethane/diatomite composite material, 20 parts of expanded vermiculite, 25 parts of hollow glass beads, 5 parts of medium sand, 7 parts of sodium carboxymethylcellulose, 15 parts of gypsum, 5 parts of EVA rubber powder, 3 parts of styrene, 3 parts of chloride antifreezing agent, 1 part of aliphatic water reducing agent, 10 parts of fly ash and 10 parts of mineral admixture.
The mineral admixture comprises the following components in parts by weight: 15 parts of ground blast furnace slag, 5 parts of bentonite, 7 parts of ground calcium carbonate, 3 parts of talcum powder, 10 parts of basalt, 3 parts of washed sand, 20 parts of polyethylene glycol 40020 parts and 100 parts of water.
The mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone, sieving with a 500-mesh sieve, mixing the obtained powder with talcum powder, polyethylene glycol 400 and water, stirring for 30min, performing swing granulation, sintering the solid particles at 1200 ℃ for 2h, cooling, crushing, and sieving with a 500-mesh sieve to obtain the mineral admixture.
The medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.2.
The particle size of the hollow glass beads is 100-200 μm, and the wall thickness is 1-2 μm.
The modified polyurethane/diatomite composite material is prepared by the following method:
s1, modification of diatomite: pouring 100g of diatomite into 200mL of 75% ethanol aqueous solution with mass fraction, adding 20g of silane coupling agent KH550, uniformly stirring at 5000r/min, pretreating for 30min, putting the modified diatomite into a drying oven, and drying for 1h under vacuum at 60 ℃;
s2. preparation of the component A: taking out 100g of modified diatomite, adding the diatomite into 22g of polyether polyol TMN450 (hydroxyl value is 220mgKOH/g), adding 0.5g of stannous isooctanoate, and fully stirring at 500r/min for later use;
s3, preparing a component B: weighing 20g of polyphenyl polymethylene polyisocyanate for later use;
s4, preparing the modified polyurethane/diatomite composite material: the prepared component A and the component B are quickly stirred and mixed (the rotating speed is 1000r/min), poured into a cylindrical steel mould, demoulded after being solidified and formed, put into water and solidified for 1h under the drying condition of different temperatures of 30 ℃.
The preparation method of the dry powder mortar comprises the following steps:
s1, uniformly mixing medium sand, a mineral admixture, expanded vermiculite and fly ash in a mixing device (the rotating speed is 1000r/min), wherein the stirring temperature is 50 ℃;
s2, adding EVA rubber powder, styrene, a chloride antifreezing agent, an aliphatic water reducing agent and sodium carboxymethyl cellulose into the mixing device, continuously stirring, and stirring for 4 minutes at the same temperature;
and S3, adding the modified polyurethane/diatomite composite material, the gypsum and the hollow glass beads into the mixing device, continuously stirring, and continuously stirring for 3 minutes to fully and uniformly mix to obtain the dry-mixed mortar.
Example 2
The raw materials comprise the following components in parts by weight: 150 parts of modified polyurethane/diatomite composite material, 30 parts of expanded vermiculite, 35 parts of hollow glass beads, 12 parts of medium sand, 18 parts of sodium carboxymethylcellulose, 30 parts of gypsum, 10 parts of EVA rubber powder, 7 parts of styrene, 7 parts of chloride antifreezing agent, 5 parts of aliphatic water reducing agent, 20 parts of fly ash and 15 parts of mineral admixture.
The mineral admixture comprises the following components in parts by weight: 30 parts of ground blast furnace slag, 10 parts of bentonite, 12 parts of ground calcium carbonate, 10 parts of talcum powder, 15 parts of basalt, 7 parts of washed sand, 30 parts of polyethylene glycol 400and 120 parts of water.
The mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone, sieving with a 500-mesh sieve, mixing the obtained powder with talcum powder, polyethylene glycol 400 and water, stirring for 50min, performing swing granulation, sintering the solid particles at the temperature of 1200-1500 ℃ for 3h, cooling, crushing, and sieving with a 500-mesh sieve to obtain the mineral admixture.
The medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.5.
The particle size of the hollow glass beads is 100-200 μm, and the wall thickness is 1-2 μm.
The modified polyurethane/diatomite composite material is prepared by the following method:
s1, modification of diatomite: pouring 100g of diatomite into 200mL of 80% ethanol aqueous solution with mass fraction, adding 50g of silane coupling agent KH560, uniformly stirring at 700r/min, pretreating for 60min, putting the modified diatomite into a drying oven, and drying for 2h under vacuum at 60 ℃;
s2. preparation of the component A: taking out 100g of modified diatomite, adding 30g of polyether polyol GR4110B (the hydroxyl value is 550mgKOH/g), adding 1g of triethylene diamine, and fully stirring at 700r/min for later use;
s3, preparing a component B: weighing 25g of polyphenyl polymethylene polyisocyanate for later use;
s4, preparing the modified polyurethane/diatomite composite material: and rapidly stirring and mixing the prepared component A and the component B (the rotating speed is 1200r/min), pouring the mixture into a cylindrical steel mould, demoulding after the mixture is solidified and formed, putting the demoulded mixture into water, and solidifying the mixture for 3 hours under the drying condition of different temperatures and 30 ℃.
The preparation method of the dry powder mortar comprises the following steps:
s1, uniformly mixing medium sand, a mineral admixture, expanded vermiculite and fly ash in a mixing device (the rotating speed is 1200r/min), wherein the stirring temperature is 50 ℃;
s2, adding EVA rubber powder, styrene, a chloride antifreezing agent, an aliphatic water reducing agent and sodium carboxymethyl cellulose into the mixing device, continuously stirring, and stirring for 4 minutes at the same temperature;
and S3, adding the modified polyurethane/diatomite composite material, the gypsum and the hollow glass beads into the mixing device, continuously stirring, and continuously stirring for 3 minutes to fully and uniformly mix to obtain the dry-mixed mortar.
Example 3
The raw materials comprise the following components in parts by weight: 125 parts of modified polyurethane/diatomite composite material, 25 parts of expanded vermiculite, 30 parts of hollow glass beads, 10 parts of medium sand, 12 parts of sodium carboxymethylcellulose, 22 parts of gypsum, 7 parts of EVA rubber powder, 5 parts of styrene, 5 parts of chloride antifreezing agent, 3 parts of aliphatic water reducing agent, 15 parts of fly ash and 12 parts of mineral admixture.
The mineral admixture comprises the following components in parts by weight: 22 parts of ground blast furnace slag, 7 parts of bentonite, 10 parts of ground calcium carbonate, 6 parts of talcum powder, 12 parts of basalt, 5 parts of washed sand, 25 parts of polyethylene glycol 40025 parts and 110 parts of water.
The mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone, sieving with a 500-mesh sieve, mixing the obtained powder with talcum powder, polyethylene glycol 400 and water, stirring for 40min, performing swing granulation, sintering the solid particles at 1350 ℃ for 2.5h, cooling, crushing, and sieving with a 500-mesh sieve to obtain the mineral admixture.
The medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.35.
The particle size of the hollow glass beads is 100-200 μm, and the wall thickness is 1-2 μm.
The modified polyurethane/diatomite composite material is prepared by the following method:
s1, modification of diatomite: pouring 100g of diatomite into 200mL of 77% ethanol aqueous solution with mass fraction, adding 35g of silane coupling agent A-1120, uniformly stirring at 600r/min, pretreating for 45min, putting the modified diatomite into a drying oven, and drying in vacuum for 1.5h at 60 ℃;
s2. preparation of the component A: taking out 100g of modified diatomite, adding 26g of polyether polyol GR4110B (the hydroxyl value is 550mgKOH/g), adding 0.7g of dibutyltin dilaurate, and fully stirring at 600r/min for later use;
s3, preparing a component B: weighing 22g of polyphenyl polymethylene polyisocyanate for later use;
s4, preparing the modified polyurethane/diatomite composite material: and rapidly stirring and mixing the prepared component A and the component B (the rotating speed is 1100r/min), pouring the mixture into a cylindrical steel mould, demoulding after the mixture is solidified and formed, putting the demoulded mixture into water, and solidifying the mixture for 2 hours under the drying condition of different temperatures of 30 ℃.
The preparation method of the dry powder mortar comprises the following steps:
s1, uniformly mixing medium sand, a mineral admixture, expanded vermiculite and fly ash in a mixing device (the rotating speed is 1100r/min), wherein the stirring temperature is 50 ℃;
s2, adding EVA rubber powder, styrene, a chloride antifreezing agent, an aliphatic water reducing agent and sodium carboxymethyl cellulose into the mixing device, continuously stirring, and stirring for 4 minutes at the same temperature;
and S3, adding the modified polyurethane/diatomite composite material, the gypsum and the hollow glass beads into the mixing device, continuously stirring, and continuously stirring for 3 minutes to fully and uniformly mix to obtain the dry-mixed mortar.
Example 4
Referring to fig. 1, fig. 2, fig. 4 and fig. 5 in detail, a mixing device for producing and processing dry powder mortar comprises a first mixing cylinder 5 and a second mixing cylinder 3, a hopper 2 is arranged at the upper side of the first mixing cylinder 5 near the left end, a second mixing cylinder 3 is arranged at the right side of the first mixing cylinder 5, the right end of the first mixing cylinder 5 is connected with the second mixing cylinder 3 through a feeding pipe 11, a discharging cover 9 is arranged at the right end of the second mixing cylinder 3, a first mixing mechanism 10 is arranged at the center of the inner side of the first mixing cylinder 5, the first mixing mechanism 10 comprises a first transmission rod 101, first stirring rods 102 which are uniformly arranged are arranged on the first transmission rod 101, the first transmission rod 101 is fixedly connected with the left end of a first spiral belt 103 near the left end, a second mixing mechanism 12 is arranged at the center of the inner side of the second mixing cylinder 3, the second mixing mechanism 12 comprises a second transmission rod 121, the second transmission rod 121 is provided with second stirring rods 122 which are uniformly arranged, the position of the second transmission rod 121 close to the left end is fixedly connected with the left end of a second spiral belt 123, the right end of the first transmission rod 101 penetrates through the right side wall of the first mixing barrel 5 and is fixedly sleeved with a first gear, the left end of the second transmission rod 121 penetrates through the left side wall of the second mixing barrel 3 and is fixedly sleeved with a second gear, the first gear is meshed with the second gear, the transmission ratio of the first gear to the second gear is 1:2, the coarse stirring and mixing of dry powder mortar are realized through a first stirring rod 102 and a first spiral belt 103 in a first mixing mechanism 10 arranged in the first mixing barrel 5, the dry powder mortar is fed into a second mixing barrel 12 through a feeding pipe 11 under the driving of the first spiral belt 103, the first gear on the first transmission rod 101 drives the second gear 121 to rotate rapidly to drive the second transmission rod 121 to rotate rapidly to realize the rapid stirring and mixing of the second stirring rods 122 and the second spiral belt 123, and the dry powder mortar is conveyed rightwards under the driving of the second spiral belt 123 to realize automatic discharge, so that the continuous mixing of the dry powder mortar and the automatic discharge are realized, and the mixing processing efficiency of the dry powder mortar is greatly improved.
Referring to fig. 3, in the mixing device for producing and processing dry-mixed mortar, a sleeve of the discharging cover 9 is arranged at the right end of the second mixing cylinder 3, a discharging square pipe 91 is arranged on the lower side surface of the discharging cover 9, and discharging of the dry-mixed mortar is realized through the discharging square pipe 91 arranged on the discharging cover 9.
Referring to fig. 1 specifically, a mixing device for dry-mixed mortar production and processing is provided, wherein first fixing plates 6 are arranged on the front side and the rear side of a first mixing cylinder 5, a first roller 4 is arranged on the lower end surface of the first fixing plate 6, the first mixing cylinder 5 is movably supported by the first fixing plate 6 and the first roller 4, second fixing plates 7 are arranged on the front side and the rear side of a second mixing cylinder 3, a second roller 8 is arranged on the lower end surface of the second fixing plate 7, and the second mixing cylinder 3 is movably supported by the second fixing plate 7 and the second roller 8.
Specifically, referring to fig. 6, a dust suction mechanism 1 is disposed on one side of the first mixing cylinder 5, the dust suction mechanism 1 includes a dust suction hood 110, the dust suction hood 110 is disposed on one side of an upper port of the hopper 2, a fan 120 is disposed on an inner side of the dust suction hood 110, one end of the dust suction hood 110 is connected to a filter box 140 through a vertical exhaust pipe 130, an exhaust port is disposed at a position close to an upper end of the filter box 140, a filter plate 150 is disposed at the exhaust port, an open door plate is disposed at a position close to a lower end of the filter box 140, and the fan 120 is disposed to drive the dust suction hood 110 to suck away dust floating at the upper port of the hopper 2 and convey the dust into the filter box 140 through the exhaust pipe 130 for.
Working principle when using the utility model discloses in the time put dry powder mortar raw materials into hopper 2 and entered first compounding section of thick bamboo 5 through the material loading machine, rotate through the first transfer line 101 of motor drive and drive first puddler 102 and first spiral area 103 and rotate and carry out coarse mixing compounding and send into second compounding section of thick bamboo 12 through conveying pipe 11 to dry powder mortar and rotate and carry out quick stirring compounding through conveying pipe 11 under the drive of first spiral area 103, the first gear on the first transfer line 101 drives the second gear fast turn and drives second transfer line 121 fast turn and realize that second puddler 122 and second spiral area 123 carry out quick stirring compounding to carry dry powder mortar to the right under the drive of second spiral area 123 and realize automatic row material.
Example 5
After mixing the dry powder mortar prepared by the embodiment 1-3 of the utility model with water, the performance test is carried out, and the results are shown in the table 1:
compared with the prior art, the utility model greatly improves the fireproof temperature of the mortar by using the expanded vermiculite as the raw material, so that the fireproof temperature can reach 1200 ℃, and the fireproof performance can reach A1 level; meanwhile, the solidification time of the mortar is reduced, and the construction period is effectively shortened; the utility model greatly improves the compressive strength of the mortar by utilizing the gypsum, the coal ash, the medium sand and the blast furnace slag, not only can save energy consumption, but also can reduce production cost, and realizes cyclic utilization of ash slag, energy conservation and environmental protection; the polyurethane/diatomite composite material prepared in the utility model has the advantages that the polyurethane/diatomite composite material not only has excellent heat preservation characteristic of polyurethane, but also can be fully connected with the polyurethane by surface modification of the diatomite through the silane coupling agent, the prepared material has excellent mechanical property and cohesiveness, and the contained diatomite does not contain toxic and harmful substances, is wear-resistant and not easy to pulverize, can purify air, and is green and environment-friendly; the mineral admixture, the EVA rubber powder and the carboxymethyl cellulose of the utility model can form a layer of compact net structure with other materials of the utility model through the interaction of the solvent, the strength is high, the cohesiveness is durable, and the wall surface is not easy to be descaled; to sum up the utility model discloses the cohesiveness is good, and intensity is high, and waterproof capability is strong, and the heat preservation fire prevention is effectual, has wide application prospect.
The device obtained by the design can basically meet the requirement of high material mixing processing efficiency of the existing material mixing device for producing and processing the dry powder mortar, but the designer further improves the device according to the aim of further improving the functions of the device.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a compounding device is used in dry powder mortar production and processing, includes first mixing barrel (5) and second mixing barrel (3), its characterized in that: the mixing device is characterized in that a hopper (2) is arranged at the position, close to the left end, of the upper side of a first mixing cylinder (5), a second mixing cylinder (3) is arranged on the right side of the first mixing cylinder (5), the right end of the first mixing cylinder (5) is connected with the second mixing cylinder (3) through a feeding pipe (11), a discharging cover (9) is arranged at the right end of the second mixing cylinder (3), a first mixing mechanism (10) is arranged at the center of the inner side of the first mixing cylinder (5), the first mixing mechanism (10) comprises a first transmission rod (101), first stirring rods (102) which are uniformly arranged are arranged on the first transmission rod (101), the position, close to the left end, of the first transmission rod (101) is fixedly connected with the left end of a first spiral belt (103), a second mixing mechanism (12) is arranged at the center of the inner side of the second mixing cylinder (3), and the second mixing mechanism (12) comprises a second transmission rod (121), the device is characterized in that second stirring rods (122) which are uniformly arranged are arranged on the second transmission rod (121), the position, close to the left end, of the second transmission rod (121) is fixedly connected with the left end of a second spiral belt (123), the right end of the first transmission rod (101) penetrates through the right side wall of the first mixing barrel (5) and is fixedly sleeved with a first gear, the left end of the second transmission rod (121) penetrates through the left side wall of the second mixing barrel (3) and is fixedly sleeved with a second gear, the first gear is meshed with the second gear, and the transmission ratio of the first gear to the second gear is 1: 2.
2. The mixing device for producing and processing dry-mixed mortar of claim 1, wherein a sleeve of the discharging cover (9) is arranged at the right end of the second mixing cylinder (3), and a discharging square pipe (91) is arranged on the lower side surface of the discharging cover (9).
3. The mixing device for producing and processing dry powder mortar according to claim 2, wherein the first fixing plate (6) is arranged on each of the front side and the rear side of the first mixing cylinder (5), and the first roller (4) is arranged on the lower end surface of the first fixing plate (6).
4. The mixing device for producing and processing dry powder mortar according to claim 3, wherein the second mixing cylinder (3) is provided with second fixing plates (7) at the front and back sides, and the lower end surface of the second fixing plate (7) is provided with second rollers (8).
5. The mixing device for producing and processing dry mortar according to claim 4, wherein a dust suction mechanism (1) is arranged on one side of the first mixing barrel (5), the dust suction mechanism (1) comprises a dust suction cover (110), the dust suction cover (110) is arranged on one side of the upper port of the hopper (2), a fan (120) is arranged on the inner side of the dust suction cover (110), one end of the dust suction cover (110) is connected with a filter box (140) through a vertical exhaust pipe (130), one end of the filter box (140) is provided with an exhaust port near the upper end position, a filter plate (150) is arranged at the exhaust port, and the other end of the filter box (140) is provided with an open door plate near the lower end position.
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| CN201922107391.8U CN211362853U (en) | 2019-11-29 | 2019-11-29 | Compounding device is used in dry powder mortar production and processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413866A (en) * | 2021-05-21 | 2021-09-21 | 黄永德 | Pretreatment device based on bentonite drying agent |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413866A (en) * | 2021-05-21 | 2021-09-21 | 黄永德 | Pretreatment device based on bentonite drying agent |
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