CN111438796A - Production process for preparing Holland brick based on stone leftover materials - Google Patents
Production process for preparing Holland brick based on stone leftover materials Download PDFInfo
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- CN111438796A CN111438796A CN202010262033.9A CN202010262033A CN111438796A CN 111438796 A CN111438796 A CN 111438796A CN 202010262033 A CN202010262033 A CN 202010262033A CN 111438796 A CN111438796 A CN 111438796A
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- Prior art keywords
- pressing
- fabric
- vacuum
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- bottom material
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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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
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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
- 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
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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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
- B28B3/06—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould with two or more ram and mould sets
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention relates to a production process for preparing a Holland brick based on stone leftover materials, which comprises the following steps: s1, screening slag, grinding the ore, and taking slag powder with the particle size of 3-10 mm; s2, preparing raw materials, wherein the raw materials comprise a bottom material and a fabric, and the bottom material comprises the following substances in parts by weight: 11-14 parts of cement, 70-80 parts of slag and 5-10 parts of yellow sand; the fabric comprises the following substances in parts by weight: 70-80 parts of cement and 25-30 parts of yellow sand; s3, stirring, namely, separating the bottom material and the fabric for dry stirring; s4, press forming: conveying the stirred bed charge in a charging tray of special pressing equipment, vibrating the bed charge in the charging tray by the pressing equipment to uniformly disperse the bed charge, and pressing the bed charge; and then the stirred fabric is conveyed in the material tray, the fabric is laid above the backing material, the pressing equipment vibrates the fabric in the material tray to uniformly disperse the fabric, and then the fabric is pressed, so that the dutch brick is prepared. The invention has the following advantages: the high water absorption and the high strength of the Holland brick are realized.
Description
The technical field is as follows:
the invention relates to the field of preparation of Holland bricks, and particularly relates to a production process for preparing a Holland brick based on stone leftover materials.
Background art:
the dutch brick has the advantages of good water permeability, air permeability, water retention, cooling, noise reduction, air quality adjustment and the like, is widely applied to the reconstruction of projects such as stations, airports, urban roads and the like, and becomes a paving stone which is generally concerned and popular by people.
However, in the production process of the existing dutch brick, a large amount of cement, stones and yellow sand are needed, and the cost is high, so that a production process for preparing the dutch brick by using stone leftover materials is needed, and the production process is in need.
Secondly, due to the structural particularity of the dutch bricks, high porosity which ensures uniformity in the interior of the brick body is required, good water absorption property of the dutch bricks is ensured due to the high porosity of the dutch bricks, and compactness and high strength of the dutch bricks are ensured due to small-aperture pores which are uniformly distributed, so that the high porosity cannot be ensured by a traditional wet brick making method, the dry brick making method is used for performing compression molding on dry powder, the uniformity of pore dispersion among the powder cannot be ensured in the compression process, the uniformity of the water absorption of the dutch bricks prepared in the same batch cannot be ensured, and the quality of the dutch bricks cannot be effectively controlled. Therefore, how to realize the high water absorption and the high strength of the dutch brick is a technical problem to be solved by the invention.
The invention content is as follows:
the invention aims to overcome the defects and provide a production process for preparing a Holland brick based on stone leftover materials, so that the high water absorption and high strength of the Holland brick are realized.
The purpose of the invention is realized by the following technical scheme: a production process for preparing a Holland brick based on stone leftover materials comprises the following steps:
s1, screening slag, grinding the ore, sieving with a 200-mesh sieve, and taking slag powder with the particle size of 3-10 mm;
s2, preparing raw materials, wherein the raw materials comprise a bottom material and a fabric, and the bottom material comprises the following substances in parts by weight: 11-14 parts of cement, 70-80 parts of slag and 5-10 parts of yellow sand; the fabric comprises the following substances in parts by weight: 70-80 parts of cement and 25-30 parts of yellow sand;
s3, stirring, namely, separating the bottom material and the fabric for dry stirring at the stirring speed of 500r/min-600 r/min;
s4, press forming: conveying the stirred bed charge in a charging tray of special pressing equipment, vibrating the bed charge in the charging tray by the pressing equipment to uniformly disperse the bed charge, wherein the vibration frequency is 2000-2400Hz, and then pressing the bed charge at the pressing pressure of 3-5 MPa; and then conveying the stirred fabric in the charging tray to lay the fabric above the backing material, vibrating the fabric in the charging tray by a pressing device to uniformly disperse the fabric, wherein the vibration frequency is 3200-3500Hz, and then pressing the fabric, wherein the pressing pressure is 3-5 MPa, thereby preparing the Holland brick.
The invention is further improved in that: the pressing in step S4 is vacuum pressing.
The invention is further improved in that: the Dutch brick prepared in the step S4 has the water absorption of 3% -3.4%, the porosity of 90% -95%, and the strength of 580-650 MPa.
The invention is further improved in that: the special pressing device in the step S4 includes a bed charge feeding mechanism, a bed charge vacuum pressing mechanism, a fabric feeding mechanism and a fabric vacuum pressing mechanism, and runs through the bed charge feeding mechanism, the bed charge vacuum pressing mechanism, the fabric feeding mechanism and the fabric vacuum pressing mechanism, wherein conveying components are respectively arranged in the bed charge feeding mechanism, the bed charge vacuum pressing mechanism, the fabric feeding mechanism and the fabric vacuum pressing mechanism, and a material tray on the conveying components sequentially carries out bed charge feeding in the bed charge feeding mechanism, bed charge vacuum pressing in the bed charge vacuum pressing mechanism, fabric feeding in the fabric feeding mechanism and fabric vacuum pressing in the fabric vacuum pressing mechanism.
The invention is further improved in that: the conveying assembly comprises two conveying belts which are correspondingly arranged, two ends of each conveying belt are respectively provided with a driving wheel and a driven wheel, the driving wheels of the conveying belts are connected with a motor, and the driving wheels of the two conveying belts are connected through a connecting shaft;
the conveying assemblies in the bed charge feeding mechanism, the bed charge vacuum pressing mechanism, the fabric feeding mechanism and the fabric vacuum pressing mechanism are sequentially and correspondingly arranged.
The conveyer belt is by a plurality of conveying chain links, swing joint between two adjacent conveying chain links, and the up end of conveying chain link has "worker" style of calligraphy connecting piece, and the lower extreme of charging tray has the clamping piece of "C" type form with the connecting piece gomphosis on two conveyer belts.
The invention is further improved in that: the bottom material feeding mechanism and the surface material feeding mechanism both comprise a feeding box and a feeding groove arranged above the feeding box, the bottom of the feeding box is provided with a vibration motor, and a material pouring screen assembly is arranged in the feeding box;
the below in pan feeding groove is arranged in to the screen subassembly of falling material, and the screen subassembly of falling material is including arranging the guide arm that two correspondences of pan feeding incasement set up and setting up the screen of falling material on two guide arms in, and the both ends and the guide arm movable of the screen of falling material are connected, still include with the connecting rod of one side fixed connection of the screen of falling material, and the connecting rod transversely runs through the pan feeding case setting, the outside one end of pan feeding case is arranged in to the connecting rod is connected with the dwang of "Z" type form, the one end and the connecting rod swing joint of dwang, the other end of dwang are connected with the rotation motor, rotate the motor and drive the dwang and rotate to the pulling is linear.
The invention is further improved in that: the backing material vacuum pressing mechanism and the surface material vacuum pressing mechanism comprise pressing boxes and vacuum chambers arranged in the pressing boxes, channels for accommodating charging trays to enter and exit are arranged on two sides of each pressing box, a first hydraulic cylinder is arranged at the upper end of each pressing box, a pressing block is connected to the lower end of each hydraulic cylinder, the lower end of each pressing block extends into each vacuum chamber and is connected with a pressing die, and each pressing die is of a grid-shaped structure formed by connecting a plurality of cross rods and a plurality of vertical rods;
the both sides of real empty room have the roll-up door board that can move about from top to bottom, the outside of suppression case is equipped with the vacuum pump, the vacuum pump passes through the pipe and is connected with real empty room, the one end of pipe runs through roll-up door board downside and arranges real empty room inside in, the second hydraulic cylinder that the drive roll-up door board reciprocated has on the lateral wall of suppression case, the one end of second hydraulic cylinder is connected with the sucking disc of being connected with the roll-up door board, the last lower extreme of roll-up door board all has the sand grip to real empty room direction extension, real empty room is equipped with rubber strip an with sand grip complex position, both ends have the circular arc sand grip around the roll-up door board, real empty room side has inside.
The invention is further improved in that: the connection part of the side end face of the pressing block and the vacuum chamber is sealed by rubber, and the connection part of the guide pipe and the vacuum chamber is sealed by rubber.
Compared with the prior art, the invention has the following advantages:
1. the raw material of the dutch brick is formed by layering and pressing the bottom material and the surface material, wherein the bottom material adopts slag of stone leftover materials as the raw material, and waste resources are utilized to prepare the dutch brick, so that the waste utilization is realized, the resources are saved, the environmental protection performance is improved, and the production cost is greatly reduced.
2. The dry materials are uniformly mixed by stirring, the vibration has the function of evacuating air among the materials, so that the material molecules are more compact, and then the materials are subjected to vacuum pressing, so that the high porosity and uniformly dispersed small-aperture pores inside the Holland brick are realized, and the bubbles are more uniformly distributed inside the Holland brick by the vacuum pressing, so that the high water absorption and high strength of the Holland brick are ensured.
3. By adopting special pressing equipment, the backing material and the fabric are uniformly dropped through the horizontal movement of the material pouring assembly during feeding, and the uniformity of the material is further realized through vibration, so that the guarantee is provided for realizing high porosity and uniformly dispersed small-aperture pores in the Holland brick through subsequent vacuum pressing; the design of the rolling door plate of the vacuum box facilitates the transmission of the material tray, ensures the sealing property inside the vacuum box and provides a foundation for the subsequent vacuum pressing.
Description of the drawings:
fig. 1 is a schematic structural view of a pressing apparatus used in a manufacturing process for manufacturing dutch bricks based on stone scraps of the present invention.
FIG. 2 is a sectional view of the connection of a conveying assembly and a tray for a manufacturing process for preparing a Holland brick based on stone scraps according to the present invention;
fig. 3 is a schematic structural view of a conveying assembly used in a manufacturing process for manufacturing dutch bricks based on stone scraps.
Fig. 4 is a schematic structural diagram of a material pouring assembly used in the production process for preparing dutch bricks based on stone scraps.
Fig. 5 is a schematic position diagram of a shutter plate for a manufacturing process for manufacturing dutch bricks based on stone scraps according to the present invention.
Fig. 6 is a sectional exploded view taken along line a-a of fig. 5.
Fig. 7 is a sectional view taken along line B-B of fig. 5.
Fig. 8 is a schematic structural view of a press mold used in a production process for manufacturing dutch bricks based on stone scraps according to the present invention.
Reference numbers in the figures:
1-a bed charge feeding mechanism, 2-a bed charge vacuum pressing mechanism, 3-a fabric feeding mechanism, 4-a fabric vacuum pressing mechanism, 5-a conveying assembly and 6-a material tray;
11-a feeding box, 12-a feeding groove, 13-a material pouring component, 131-a guide rod, 132-a material pouring net, 133-a connecting rod and 134-a rotating rod;
21-pressing box, 22-vacuum pump, 23-first hydraulic cylinder, 24-hydraulic control, 25-pressing die, 251-cross bar, 252-vertical bar, 26-rolling door plate, 27-vacuum pump, 28-guide pipe, 29-second hydraulic cylinder, 210-suction cup, 211-convex bar, 212-rubber strip a, 213-arc convex bar, 214-arc groove and 215-rubber strip b;
51-conveying belt, 52-driving wheel, 53-driven wheel, 54-motor, 55-connecting shaft, 511-conveying chain link and 512-connecting piece;
61-clamping piece, 62-vibration motor;
the specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
The embodiment provides a production technology based on stone leftover material preparation dutch brick, includes:
s1, screening slag, grinding the ore, sieving with a 200-mesh sieve, and taking slag powder with the particle size of 3-10 mm;
s2, preparing raw materials, wherein the raw materials comprise a bottom material and a fabric, and the bottom material comprises the following substances in parts by weight: 11-14 parts of cement, 70-80 parts of slag and 5-10 parts of yellow sand; the fabric comprises the following substances in parts by weight: 70-80 parts of cement and 25-30 parts of yellow sand;
s3, stirring, namely, separating the bottom material and the fabric for dry stirring at the stirring speed of 500r/min-600 r/min;
s4, press forming: conveying the stirred bed charge in a charging tray of special pressing equipment, vibrating the bed charge in the charging tray by the pressing equipment to uniformly disperse the bed charge, wherein the vibration frequency is 2000-2400Hz, and then pressing the bed charge at the pressing pressure of 3-5 MPa; and then conveying the stirred fabric in the charging tray to lay the fabric above the backing material, vibrating the fabric in the charging tray by a pressing device to uniformly disperse the fabric, wherein the vibration frequency is 3200-3500Hz, and then pressing the fabric, wherein the pressing pressure is 3-5 MPa, thereby preparing the Holland brick.
Further, the pressing in step S4 is vacuum pressing.
Further, the Dutch brick prepared in the step S4 has the water absorption of 3% -3.4%, the porosity of 90% -95%, and the strength of 580-650 MPa.
The raw material of the dutch brick is formed by layering and pressing the bottom material and the surface material, wherein the bottom material adopts slag of stone leftover materials as the raw material, and waste resources are utilized to prepare the dutch brick, so that the waste utilization is realized, the resources are saved, the environmental protection performance is improved, and the production cost is greatly reduced. The dry materials are uniformly mixed by stirring, the vibration has the function of evacuating air among the materials, so that the material molecules are more compact, and then the materials are subjected to vacuum pressing, so that the high porosity and uniformly dispersed small-aperture pores inside the Holland brick are realized, and the bubbles are more uniformly distributed inside the Holland brick by the vacuum pressing, so that the high water absorption and high strength of the Holland brick are ensured.
Further, as shown in fig. 1, the pressing apparatus dedicated in step S4 includes a bed charge feeding mechanism 1, a bed charge vacuum pressing mechanism 2, a fabric feeding mechanism 3, and a fabric vacuum pressing mechanism 4, and penetrates through the bed charge feeding mechanism 1, the bed charge vacuum pressing mechanism 2, the fabric feeding mechanism 3, and the fabric vacuum pressing mechanism 4, wherein conveying assemblies 5 are respectively disposed in the bed charge feeding mechanism 1, the bed charge vacuum pressing mechanism 2, the fabric feeding mechanism 3, and the fabric vacuum pressing mechanism 4, and a tray 6 on the conveying assembly 5 sequentially carries out bed charge feeding in the bed charge feeding mechanism 1, bed charge vacuum pressing in the bed charge vacuum pressing mechanism 2, fabric feeding in the fabric feeding mechanism 3, and fabric vacuum pressing in the fabric vacuum pressing mechanism 4.
Further, as shown in fig. 2 and fig. 3, the conveying assembly 5 includes two conveying belts 51 correspondingly disposed, two ends of the conveying belt 51 are respectively provided with a driving wheel 52 and a driven wheel 53, the driving wheel 52 of the conveying belt 51 is connected with a motor 54, and the driving wheels 52 of the two conveying belts 51 are connected through a connecting shaft 55;
the bed charge feeding mechanism 1, the bed charge vacuum pressing mechanism 2, the fabric feeding mechanism 3 and the conveying assembly 5 in the fabric vacuum pressing mechanism 4 are sequentially and correspondingly arranged.
Further, the conveyor belt 51 is formed by a plurality of conveyor links 511, and two adjacent conveyor links 511 are movably connected to each other, and the upper end surfaces of the conveyor links 511 are provided with "i" shaped connecting pieces 512, and the lower end of the tray 6 is provided with "C" shaped engaging pieces 61 which are engaged with the connecting pieces 512 on the two conveyor belts 51.
Further, the bottom material feeding mechanism 1 and the surface material feeding mechanism 3 both comprise a feeding box 11 and a feeding groove 12 arranged above the feeding box 11, the bottom of the feeding plate 6 is provided with a vibration motor 62, and a material pouring screen assembly 13 is arranged in the feeding box 12;
the material pouring screen assembly 13 is arranged below the material feeding groove 12, as shown in fig. 4, the material pouring screen assembly 13 comprises two guide rods 131 arranged in the material feeding box 12 in a corresponding manner and a material pouring screen 132 arranged on the two guide rods 131, two ends of the material pouring screen 132 are movably connected with the guide rods 131, the material pouring screen assembly further comprises a connecting rod 133 fixedly connected with one side of the material pouring screen 132, the connecting rod 133 transversely penetrates through the material feeding box 11, one end of the connecting rod 133, which is arranged outside the material feeding box 11, is connected with a rotating rod 134 in a Z shape, one end of the rotating rod 134 is movably connected with the connecting rod 133, the other end of the rotating rod 134 is connected with a rotating motor 135, the rotating motor 135 drives the rotating rod 134 to rotate, and the material pouring screen 132 fixed with the connecting rod 133 is pulled to perform linear reciprocating.
In this application, charging tray 6 is connected with conveyer belt 51 block, charging tray 6 makes inside material carry out intensive mixing under vibrating motor 62's vibration, certain clearance has between connecting piece 512 and the fastener 61, carry out the vibration in-process at vibrating motor 62, both guarantee to produce certain vibration sense to charging tray 6, can avoid charging tray 6 to break away from conveyer belt 51 again, charging tray 6 can realize the removal vibration of left and right directions on the conveyer belt certainly, how to realize vibration and concrete connection relation to charging tray 6 about vibrating motor 62, for the well-known prior knowledge of technical staff in the field, the event is not repeated and description drawing.
In this application, bed charge and surface fabric realize even whereabouts through the removal of the 13 horizontal directions of subassembly of falling when the pan feeding, again through the vibration, further realize the homogeneity of material to the inside high porosity and the evenly distributed aperture gas pocket of dutch brick provides the guarantee for follow-up vacuum pressing realization.
The working principle of the material pouring assembly 13 is as follows: the rotating motor 135 drives the rotating rod 134 with the Z-shaped structure to rotate in the circumferential direction, the rotating rod 134 rotates, and the connecting rod 133 is driven to pull the material pouring net 132, so that the material pouring net 132 can move left and right in a reciprocating manner along the guide rod 131, and materials on the material pouring net 132 can uniformly fall into the material tray 6 in the reciprocating movement process.
In this application, the one end of connecting rod 133 and the one end swing joint of dwang 134, the one end of connecting rod 133 rotates along with dwang 134, but the both ends of falling material net 12 and two guide arms 131 snap-on swing joint, fall material net 132 and remove about on guide arm 131 along with the rotation of dwang 134, because the one end that connecting rod 133 is connected with dwang 134 takes place to rotate along with the rotation of dwang 134, consequently need set up the one end pivoted trompil of holding connecting rod 133 on the lateral wall of pan feeding case 11.
Further, the backing material vacuum pressing mechanism 2 and the facing material vacuum pressing mechanism 4 comprise a pressing box 21 and a vacuum chamber 22 arranged in the pressing box 21, channels for the material containing discs 6 to enter and exit are arranged on two sides of the pressing box 21, the upper end of the pressing box 21 is provided with a first hydraulic cylinder 23, the lower end of the first hydraulic cylinder 23 is connected with a pressing block 24, the lower end of the pressing block 24 extends into the vacuum chamber 22 and is connected with a pressing die 25, and as shown in fig. 8, the pressing die 25 is of a grid-shaped structure formed by connecting a plurality of cross rods 251 and a plurality of vertical rods 252;
as shown in fig. 5, the two sides of the vacuum chamber 22 are provided with rolling door panels 26 capable of moving up and down, the exterior of the pressing box 21 is provided with a vacuum pump 27, the vacuum pump 27 is connected with the vacuum chamber 22 through a conduit 28, one end of the conduit 28 penetrates through the lower side of the rolling door panel 26 and is arranged in the vacuum chamber 22, the side wall of the pressing box 21 is provided with a second hydraulic cylinder 29 for driving the rolling door panel 26 to move up and down, one end of the second hydraulic cylinder 29 is connected with a suction cup 210 connected with the rolling door panel 26, as shown in fig. 7, the upper and lower ends of the rolling door panel 26 are respectively extended towards the vacuum chamber 22, a convex strip 211 is arranged at the position where the vacuum chamber 22 is matched with the convex strip 211, as shown in fig. 6, the front and rear ends of the rolling door panel 26 are provided with arc convex strips 213, the position where the side surface of.
Further, the connection between the side end surface of the pressing block 24 and the vacuum chamber 22 is sealed by rubber, and the connection between the guide pipe 28 and the vacuum chamber 22 is sealed by rubber.
Example 1
A production process for preparing a Holland brick based on stone leftover materials comprises the following steps:
s1, screening slag, grinding the ore, sieving with a 200-mesh sieve, and taking slag powder with the particle size of 3 mm;
s2, preparing raw materials, wherein the raw materials comprise a bottom material and a fabric, and the bottom material comprises the following substances in parts by weight: 11 parts of cement, 70 parts of slag and 5 parts of yellow sand; the fabric comprises the following substances in parts by weight: 70 parts of cement and 25 parts of yellow sand;
s3, stirring, namely, separating the bottom material and the surface material to carry out dry stirring at the stirring speed of 500r/min
S4, press forming: conveying the stirred bed charge in a charging tray of special pressing equipment, vibrating the bed charge in the charging tray by the pressing equipment to uniformly disperse the bed charge, wherein the vibration frequency is 2000Hz, and then performing vacuum pressing on the bed charge, wherein the pressing pressure is 3 MPa; and then conveying the stirred fabric in the material tray, laying the fabric above the backing material, vibrating the fabric in the material tray by a pressing device to uniformly disperse the fabric, wherein the vibration frequency is 3200Hz, and then performing vacuum pressing on the fabric, and the pressing pressure is 3MPa, thereby preparing the dutch brick.
The dutch brick prepared in the embodiment has the water absorption rate of 3%, the porosity of 90% and the strength of 580 MPa.
Example 2
A production process for preparing a Holland brick based on stone leftover materials comprises the following steps:
s1, screening slag, grinding the ore, sieving with a 200-mesh sieve, and taking slag powder with the particle size of 6 mm;
s2, preparing raw materials, wherein the raw materials comprise a bottom material and a fabric, and the bottom material comprises the following substances in parts by weight: 12 parts of cement, 75 parts of slag and 8 parts of yellow sand; the fabric comprises the following substances in parts by weight: 75 parts of cement and 28 parts of yellow sand;
s3, stirring, namely, separating the bottom material and the fabric for dry stirring at the stirring speed of 550 r/min;
s4, press forming: conveying the stirred bed charge in a material tray of special pressing equipment, vibrating the bed charge in the material tray by the pressing equipment to uniformly disperse the bed charge, wherein the vibration frequency is 2200Hz, and then performing vacuum pressing on the bed charge, wherein the pressing pressure is 4 MPa; and then conveying the stirred fabric in the material tray, laying the fabric above the bottom material, vibrating the fabric in the material tray by using a pressing device to uniformly disperse the fabric, wherein the vibration frequency is 3200 and 3500Hz, and then pressing the fabric in vacuum at the pressing pressure of 4MPa, thereby preparing the Holland brick.
The dutch brick prepared in the embodiment has the water absorption rate of 3.2%, the porosity of 92% and the strength of 600 MPa.
Example 3
A production process for preparing a Holland brick based on stone leftover materials comprises the following steps:
s1, screening slag, grinding the ore, sieving with a 200-mesh sieve, and taking slag powder with the particle size of 10 mm;
s2, preparing raw materials, wherein the raw materials comprise a bottom material and a fabric, and the bottom material comprises the following substances in parts by weight: 14 parts of cement, 80 parts of slag and 10 parts of yellow sand; the fabric comprises the following substances in parts by weight: 80 parts of cement and 30 parts of yellow sand;
s3, stirring, namely, separating the bottom material and the fabric for dry stirring at the stirring speed of 600 r/min;
s4, press forming: conveying the stirred bed charge in a charging tray of special pressing equipment, vibrating the bed charge in the charging tray by the pressing equipment to uniformly disperse the bed charge, wherein the vibration frequency is 2400Hz, and then pressing the bed charge at the pressing pressure of 5 MPa; and then conveying the stirred fabric in the material tray, laying the fabric above the bottom material, vibrating the fabric in the material tray by a pressing device to uniformly disperse the fabric, wherein the vibration frequency is 3500Hz, and then pressing the fabric, and the pressing pressure is 5MPa, thereby preparing the dutch brick.
The dutch brick prepared in the embodiment has the water absorption rate of 3.4%, the porosity of 95% and the strength of 650 MPa.
Therefore, example 3 is the best example of the present invention, and the dutch brick with high water absorption and high strength can be prepared.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A production process for preparing a Holland brick based on stone leftover materials is characterized by comprising the following steps:
s1, screening slag, grinding the ore, sieving with a 200-mesh sieve, and taking slag powder with the particle size of 3-10 mm;
s2, preparing raw materials, wherein the raw materials comprise a bottom material and a fabric, and the bottom material comprises the following substances in parts by weight: 11-14 parts of cement, 70-80 parts of slag and 5-10 parts of yellow sand; the fabric comprises the following substances in parts by weight: 70-80 parts of cement and 25-30 parts of yellow sand;
s3, stirring, namely, separating the bottom material and the fabric for dry stirring at the stirring speed of 500r/min-600 r/min;
s4, press forming: conveying the stirred bed charge in a charging tray of special pressing equipment, vibrating the bed charge in the charging tray by the pressing equipment to uniformly disperse the bed charge, wherein the vibration frequency is 2000-2400Hz, and then pressing the bed charge at the pressing pressure of 3-5 MPa; and then conveying the stirred fabric in the charging tray to lay the fabric above the backing material, vibrating the fabric in the charging tray by a pressing device to uniformly disperse the fabric, wherein the vibration frequency is 3200-3500Hz, and then pressing the fabric, wherein the pressing pressure is 3-5 MPa, thereby preparing the Holland brick.
2. The process for manufacturing dutch bricks based on stone scraps as claimed in claim 1, wherein the pressing in the step S4 is vacuum pressing.
3. The process for producing Dutch bricks based on stone scraps as claimed in claim 2, wherein the Dutch bricks produced in step S4 have water absorption of 3% -3.4%, porosity of 90% -95%, and strength of 580-650 MPa.
4. The production process for preparing the Holland brick based on the stone leftover materials according to claim 1, wherein the special pressing device in the step S4 comprises a bottom material feeding mechanism (1), a bottom material vacuum pressing mechanism (2), a surface material feeding mechanism (3) and a surface material vacuum pressing mechanism (4), a conveying assembly (5) is respectively arranged in the bottom material feeding mechanism (1), the bottom material vacuum pressing mechanism (2), the surface material feeding mechanism (3) and the surface material vacuum pressing mechanism (4) in a penetrating manner, a material tray (6) on the conveying assembly (5) sequentially carries out bottom material feeding in the bottom material feeding mechanism (1) and bottom material vacuum pressing in the bottom material vacuum pressing mechanism (2), and the bottom material vacuum pressing mechanism (2) carries out vacuum bottom material pressing in the bottom material feeding mechanism (1), The fabric is fed into the fabric feeding mechanism (3) and the fabric is vacuum-pressed in the fabric vacuum pressing mechanism (4).
5. The production process for preparing the Holland bricks based on the stone leftover materials according to claim 4, wherein the conveying assembly (5) comprises two correspondingly arranged conveying belts (51), two ends of each conveying belt (51) are respectively provided with a driving wheel (52) and a driven wheel (53), the driving wheels (52) of the conveying belts (51) are connected with a motor (54), and the driving wheels (52) of the two conveying belts (51) are connected through a connecting shaft (55);
the bottom material feeding mechanism (1), the bottom material vacuum pressing mechanism (2), the surface material feeding mechanism (3) and the conveying assembly (5) in the surface material vacuum pressing mechanism (4) are sequentially and correspondingly arranged.
The conveyer belt (51) is by a plurality of conveying chain links (511), swing joint between two adjacent conveying chain links (511), the up end of conveying chain link (511) has "worker" style of calligraphy connecting piece (512), the lower extreme of charging tray (6) has "C" shape clamping piece (61) with connecting piece (512) gomphosis on two conveyer belts (51).
6. The production process for preparing the Holland brick based on the stone leftover material is characterized in that the bottom material feeding mechanism (1) and the surface material feeding mechanism (3) respectively comprise a feeding box (11) and a feeding groove (12) arranged above the feeding box (11), the bottom of the feeding plate (6) is provided with a vibrating motor (62), and the feeding box (12) is internally provided with a material pouring screen assembly (13);
the material pouring screen assembly (13) is arranged below the feeding groove (12), the material pouring screen assembly (13) comprises two guide rods (131) which are arranged in the feeding box (12) and are correspondingly arranged and a material pouring screen (132) which is arranged on the two guide rods (131), two ends of the material pouring net (132) are movably connected with the guide rod (131), and the material pouring net also comprises a connecting rod (133) fixedly connected with one side of the material pouring net (132), the connecting rod (133) transversely penetrates through the feeding box (11), one end of the connecting rod (133) arranged outside the feeding box (11) is connected with a Z-shaped rotating rod (134), one end of the rotating rod (134) is movably connected with the connecting rod (133), the other end of the rotating rod (134) is connected with a rotating motor (135), the rotating motor (135) drives the rotating rod (134) to rotate, thereby pulling the discharging net (132) fixed with the connecting rod (133) to do linear reciprocating movement on the guide rod (131).
7. The production process for preparing the dutch brick based on the stone leftover material as claimed in claim 6, which is characterized in that: the backing material vacuum pressing mechanism (2) and the fabric vacuum pressing mechanism (4) comprise pressing boxes (21) and vacuum chambers (22) arranged in the pressing boxes (21), channels for the charging trays (6) to enter and exit are formed in two sides of each pressing box (21), first hydraulic cylinders (23) are arranged at the upper ends of the pressing boxes (21), pressing blocks (24) are connected to the lower ends of the first hydraulic cylinders (23), the lower ends of the pressing blocks (24) extend into the vacuum chambers (22) and are connected with pressing dies (25), and the pressing dies (25) are of grid-shaped structures formed by connecting a plurality of cross rods (251) and a plurality of vertical rods (252);
the vacuum chamber is characterized in that two sides of the vacuum chamber (22) are provided with door rolling plates (26) capable of moving up and down, a vacuum pump (27) is arranged outside the pressing box (21), the vacuum pump (27) is connected with the vacuum chamber (22) through a guide pipe (28), one end of the guide pipe (28) penetrates through the lower side of the door rolling plates (26) and is arranged inside the vacuum chamber (22), a second hydraulic cylinder (29) driving the door rolling plates (26) to move up and down is arranged on the side wall of the pressing box (21), one end of the second hydraulic cylinder (29) is connected with a suction cup (210) connected with the door rolling plates (26), the upper end and the lower end of the door rolling plates (26) extend to the direction of the vacuum chamber (22) to form convex strips (211), the positions of the vacuum chamber (22) and the convex strips (211) are provided with rubber strips a (212), the front end and the rear end of the door rolling plates (26) are provided with arc convex strips (213), and the positions of the And a rubber strip b (215) is embedded in the arc groove (214).
8. The production process for preparing the Dutch brick based on the stone leftover material as claimed in claim 7, wherein the joint of the side end face of the pressing block (24) and the vacuum chamber (22) is sealed by rubber, and the joint of the guide pipe (28) and the vacuum chamber (22) is sealed by rubber.
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| CN202010262033.9A CN111438796B (en) | 2020-04-06 | 2020-04-06 | Production process for preparing Holland brick based on stone leftover materials |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541289A (en) * | 2013-11-06 | 2014-01-29 | 攀枝花环业冶金渣开发有限责任公司 | Colored high-titanium heavy slag permeable pavement brick and production method thereof |
| CN105924057A (en) * | 2016-04-22 | 2016-09-07 | 海锦城市环保（国际）有限公司 | Water-retention and water-permeable brick and preparation method thereof |
| CN107673675A (en) * | 2017-10-30 | 2018-02-09 | 重庆亲禾建科建材有限公司 | A kind of permeable high imitative Stone brick |
| CN108083767A (en) * | 2017-12-22 | 2018-05-29 | 广东科达洁能股份有限公司 | A kind of preparation method of water-permeable brick |
| CN109435041A (en) * | 2018-11-23 | 2019-03-08 | 淄博金坤诺新材料科技有限公司 | A kind of regenerative pervious brick manufacturing device of granite waste material |
| CN109500990A (en) * | 2019-01-14 | 2019-03-22 | 平潭智汇畅城科技有限公司 | A kind of water-permeable brick production equipment |
| US10519612B1 (en) * | 2019-04-02 | 2019-12-31 | Alaa Toma | Paving block with improved illumination |
-
2020
- 2020-04-06 CN CN202010262033.9A patent/CN111438796B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541289A (en) * | 2013-11-06 | 2014-01-29 | 攀枝花环业冶金渣开发有限责任公司 | Colored high-titanium heavy slag permeable pavement brick and production method thereof |
| CN105924057A (en) * | 2016-04-22 | 2016-09-07 | 海锦城市环保（国际）有限公司 | Water-retention and water-permeable brick and preparation method thereof |
| CN107673675A (en) * | 2017-10-30 | 2018-02-09 | 重庆亲禾建科建材有限公司 | A kind of permeable high imitative Stone brick |
| CN108083767A (en) * | 2017-12-22 | 2018-05-29 | 广东科达洁能股份有限公司 | A kind of preparation method of water-permeable brick |
| CN109435041A (en) * | 2018-11-23 | 2019-03-08 | 淄博金坤诺新材料科技有限公司 | A kind of regenerative pervious brick manufacturing device of granite waste material |
| CN109500990A (en) * | 2019-01-14 | 2019-03-22 | 平潭智汇畅城科技有限公司 | A kind of water-permeable brick production equipment |
| US10519612B1 (en) * | 2019-04-02 | 2019-12-31 | Alaa Toma | Paving block with improved illumination |
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