CN112643865A - Steam curing equipment for concrete prefabricated part and using method - Google Patents
Steam curing equipment for concrete prefabricated part and using method Download PDFInfo
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- CN112643865A CN112643865A CN202011541783.6A CN202011541783A CN112643865A CN 112643865 A CN112643865 A CN 112643865A CN 202011541783 A CN202011541783 A CN 202011541783A CN 112643865 A CN112643865 A CN 112643865A
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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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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Abstract
The application discloses steam curing equipment for a concrete prefabricated part, which relates to the field of curing of prefabricated concrete parts and comprises a curing chamber, wherein the curing chamber is provided with a curing cavity, the inner wall of the curing cavity is provided with a plurality of steam inlets, and the steam inlets are used for being communicated to a steam generating device; the curing room is also provided with a closed door for covering the curing cavity; a supporting component is arranged in the curing cavity and comprises a plurality of supporting rollers for supporting the workpiece. Through setting up bearing roller, reduced the contact surface for the maintenance of work piece is more comprehensive, makes holistic maintenance effect better more even.
Description
Technical Field
The application relates to the field of maintenance of prefabricated concrete components, in particular to steam maintenance equipment for a concrete prefabricated component.
Background
Concrete prefabricated parts, also called concrete prefabricated parts, are building parts which are manufactured in advance in factories by using concrete as a basic material. Steam curing is the process of subjecting the concrete preform to a high temperature and humidity environment to accelerate the hardening of the concrete to achieve a specified strength in a short time.
Steam curing realizes through the curing kiln, during steam curing, places the work piece in the curing chamber earlier, carries out the bearing through the bearing board, then seals the curing chamber, lets in the curing kiln with steam in, waits for the maintenance to accomplish, but in this process, the work piece forms the contact of great face with the bearing board, and its conflict department can be owing to not good with steam contact, leads to the work piece not good with the maintenance effect of bearing board contact department for whole maintenance effect is not good, remains to improve.
Disclosure of Invention
In order to improve the not good problem of whole maintenance effect, this application provides a steam curing equipment of muddy earth prefabricated component.
The application provides a concrete prefabricated component's steam curing equipment and application method adopts following technical scheme:
the steam curing equipment for the concrete prefabricated part comprises a curing chamber, wherein the curing chamber is provided with a curing cavity, the inner wall of the curing cavity is provided with a plurality of steam inlets, and the steam inlets are communicated with a steam generating device; the curing room is also provided with a closed door for covering the curing cavity; the maintenance intracavity is equipped with the bearing subassembly, the bearing subassembly includes a plurality of bearing rollers that are used for bearing the work piece.
Through above-mentioned technical scheme, form line contact to the work piece through bearing roller, reduced the face that overlaps of work piece and bearing subassembly through line contact to reduce the contact surface, make the maintenance of work piece more comprehensive, make holistic maintenance effect better more even.
Optionally, the bearing subassembly has a plurality of along vertical direction interval distribution, and the bearing roller of every bearing subassembly is located the relative inner wall of maintenance chamber along the horizontal direction respectively, and the up end of each bearing roller in every bearing subassembly is located same level.
Through above-mentioned technical scheme, a plurality of bearing subassemblies, when the maintenance at every turn, can be to the maintenance of a plurality of work pieces simultaneously for the maintenance effect is better, separates the bearing roller at the relative lateral wall, can reduce the contact length of bearing roller, makes the maintenance more comprehensive.
Optionally, the bearing roller is rotatably connected to the curing chamber, and the curing chamber is further provided with a driving piece for driving the bearing roller to rotate.
Through above-mentioned technical scheme, the driving piece can drive the bearing roller and rotate and make the work piece can follow the bearing roller and rotate the removal to make the contact department of work piece and bearing roller can change at the maintenance in-process, make the maintenance of work piece more comprehensive, make holistic maintenance effect better more even.
Optionally, the driving piece is located the curing chamber, the driving piece includes the cylinder body, the portion of sliding, piston rod and driving medium, the cylinder body articulates in the curing chamber inner wall, the groove of sliding has been seted up to the cylinder body, the portion of sliding slides and connects in the groove of sliding and separate into first cavity and second cavity with the groove of sliding, first cavity is airtight state, second cavity and external intercommunication, first cavity intussuseption is filled with sodium bicarbonate, the piston rod is fixed in the portion of sliding, the driving medium is connected with the piston rod, is heated when the cylinder body and makes sodium bicarbonate decompose the back, the portion of sliding moves towards keeping away from groove tank bottom direction and drives the piston rod ejecting, the driving medium follows the piston rod operation and makes the bearing roller rotate.
Through the technical scheme, the sodium bicarbonate has stable property at normal temperature, is easy to decompose when heated and can be quickly decomposed at the temperature of more than 50 ℃. The steam curing of the concrete can be divided into four stages of standing still, temperature rising, constant temperature and temperature lowering. When the temperature rises and is in a constant temperature stage, steam needs to be introduced into the curing chamber, at the moment, the steam heats the cylinder body, after the cylinder body is heated to a temperature higher than 50 ℃, sodium bicarbonate is decomposed to produce carbon dioxide, at the moment, because the first cavity is closed, the air pressure in the first cavity rises to enable the sliding part to move away from the bottom of the sliding groove, the sliding part drives the piston rod to move towards the direction away from the bottom of the sliding groove so as to eject, and the piston rod ejects to enable the transmission piece to drive the bearing roller to rotate so as to drive the workpiece. During the cooling stage, after the cylinder body temperature is less than 50 ℃, sodium carbonate, water and carbon dioxide in the first cavity react and generate sodium bicarbonate, and the air pressure in the first cavity reduces this moment, and the portion of sliding drives the piston rod and moves towards the tank bottom of groove that slides this moment, and the driving medium drives bearing roller antiport this moment for the work piece moves back initial position. Set up cylinder body, the portion of sliding, piston rod and driving medium, through the temperature of steam control cylinder body to the reversible reaction of control sodium bicarbonate drives the bearing roller and rotates, has avoided plus driving source, makes holistic use energy-concerving and environment-protective more.
Optionally, the cylinder body is made of a heat conducting material, and the position of the cylinder body is close to the steam inlet.
Through above-mentioned technical scheme, the cylinder body is close to steam inlet for steam heats the cylinder body earlier when getting into, makes the effect of being heated of cylinder body better, makes holistic use more stable.
Optionally, the transmission member is a transmission rod, one end of the transmission rod is hinged to the piston rod, and the other end of the transmission rod is fixed to the supporting roller.
Through the technical scheme, the transmission rod is overturned to drive the bearing roller to be fixed and drive the bearing roller to be fixed, so that the transmission structure is simpler.
Optionally, the transmission part includes a driven gear fixed on the carrier roller, a driving gear rotatably connected to the curing chamber and engaged with the driven gear, and a transmission rod with one end hinged to the piston rod and the other end fixed to the driving gear, wherein the number of teeth of the driving gear is greater than that of the driven gear.
Through above-mentioned technical scheme, through driving gear and driven gear's driven, because the piston rod drives transfer line upset angle and generally can not be greater than 90 degrees, the number of teeth through the driving gear is greater than the number of teeth of driven gear for the turned angle of bearing roller is bigger, thereby makes the home range of work piece bigger, makes holistic maintenance more comprehensive.
Optionally, every among the bearing subassembly, the driving piece correspondence is equipped with two, and two driving pieces are located the relative inside wall of curing chamber respectively, and two driving piece symmetries set up, with two the coaxial setting of bearing roller that the driving piece corresponds, and with two through connecting roller fixed connection between the bearing roller that the driving piece corresponds.
Through the technical scheme, the bearing rollers connected with the driving piece are connected through the connecting rollers, so that the rotation of the two bearing rollers is more synchronous, and the movement of the workpiece on the bearing rollers is more stable.
The application also provides a using method of the steam curing equipment for the concrete prefabricated part, which comprises the following steps:
s1, placing the workpiece on the upper end face of the bearing component, and isolating the maintenance cavity through a closed door;
s2, discharging steam into the curing cavity through the steam inlet by the steam generating device;
s3, in the maintenance process, the cylinder body is heated to decompose the sodium bicarbonate, so that the piston rod extends out and the bearing roller rotates, the workpiece moves along the bearing roller in the horizontal direction, and the contact position of the workpiece and the bearing roller is changed;
and S4, opening the closing door after the maintenance is finished, and taking the workpiece out of the maintenance cavity.
Through the technical scheme, the piston rod can be controlled to stretch out and draw back through steam in the maintenance process to enable the bearing roller to rotate, the collision position of the workpiece and the bearing roller can be changed in the maintenance process, the maintenance of the workpiece is more comprehensive, and the overall maintenance effect is better.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) by arranging the bearing rollers, the contact surface is reduced, so that the maintenance of the workpiece is more comprehensive, and the overall maintenance effect is better and more uniform;
(2) by arranging the driving piece, the contact position of the workpiece and the bearing roller can be changed in the maintenance process, so that the workpiece is maintained more comprehensively, and the overall maintenance effect is better and more uniform;
(3) through setting up cylinder body, the portion of sliding, piston rod and driving medium, through the temperature of steam control cylinder body to the reversible reaction of control sodium bicarbonate drives the bearing roller and rotates, has avoided plus driving source, makes holistic use energy-concerving and environment-protective more.
Drawings
FIG. 1 is a general schematic view of a first embodiment;
FIG. 2 is a schematic partial cross-sectional view of the first embodiment;
FIG. 3 is a schematic cross-sectional view of a driving member according to the first embodiment;
FIG. 4 is a schematic structural diagram of a transmission member according to the second embodiment.
Reference numerals: 1. a curing room; 2. a maintenance cavity; 3. a closing door; 4. a holding assembly; 41. a carrying roller; 5. a steam inlet; 6. a rotating shaft; 7. a connecting roller; 8. a drive member; 81. a cylinder body; 82. a sliding part; 83. a piston rod; 84. a transmission member; 841. a transmission rod; 842. a driven gear; 843. a driving gear; 9. a sliding groove; 91. a first chamber; 92. a second chamber.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses concrete prefabricated component's steam curing equipment.
The first embodiment is as follows:
as shown in figure 1, the curing chamber comprises a curing chamber 1, and a curing cavity 2 is arranged on the front end surface of the curing chamber 1. The curing room 1 is also provided with a closed door 3 for covering the curing cavity 2, and during actual use, the closed door 3 is mostly a rolling door.
A plurality of bearing components 4 are also arranged in the curing cavity 2, the bearing components are distributed at intervals along the vertical direction, and the distance of 30-50cm is reserved between every two adjacent bearing components 4. The inner wall of the maintenance cavity 2 is also provided with a plurality of steam inlets 5, the steam inlets 5 are positioned between the adjacent bearing components 4, the steam inlets 5 are communicated to a steam generating device, the steam generating device is a steam generator, also called a boiler, and is mechanical equipment for heating water into hot water or steam by utilizing the heat energy of fuel or other energy sources.
Each bearing assembly 4 comprises a plurality of bearing rollers 41, and the bearing rollers 41 are respectively positioned on the inner side walls, opposite to each other, of the maintenance cavity 2 along the horizontal direction. The support rollers 41 of each support unit 4 are identical and are located at the same level so that the upper end faces of the support rollers 41 in the same support unit 4 are flush.
Be fixed with pivot 6 at the inner wall of maintenance chamber 2, the inner wall that the axis perpendicular to of pivot 6 corresponds, the quantity and the position of pivot 6 all correspond bearing roller 41 setting, and pivot 6 is all located to each bearing roller 41 corresponding cover, and bearing roller 41 rotates through the pivot 6 that corresponds and connects in maintenance room 1. In order to make the rotation of the backup roller 41 smoother, the rotation shaft 6 and the backup roller 41 are rotated by a bearing.
Referring to fig. 1, in each of the bearer members 4, among the respective bearer rollers 41 located at one of the side walls, the bearer roller 41 located at the horizontally intermediate position is the first roller, and the bearer roller 41 located at the horizontally intermediate position is the second roller. The axes of the first roller and the second roller are overlapped, the first roller is coaxially fixed with a connecting roller 7, the diameter of the connecting roller 7 is smaller than or equal to that of the bearing roller 41, and one end, far away from the first roller, of the connecting roller 7 is coaxially fixed with the second roller.
As shown in fig. 1 and 2, two driving members 8 are further disposed in the curing chamber 1, and the two driving members 8 are respectively disposed on opposite inner sidewalls of the curing chamber 1 and are symmetrically disposed. In two driving parts 8, one of them driving part 8 corresponds and is connected with the first roller in bearing roller 41, and another one driving part 8 corresponds and is connected with the second roller in bearing roller 41, drives corresponding bearing roller 41 through driving part 8 and rotates to make the work piece on the bearing subassembly 4 can move along each bearing roller 41 distribution direction.
As shown in fig. 2 and 3, each driving member 8 includes a cylinder 81, a sliding portion 82, a piston rod 83, and a transmission member 84. The cylinder 81 is made of a heat conductive material, and is usually made of an aluminum alloy. The cylinder body 81 is close to the steam inlet 5 corresponding to the lower part of the driving component, the cylinder body 81 is hinged on the inner wall of the curing chamber 1, and the hinge axis of the cylinder body 81 is parallel to the rotation axis of the bearing roller 41. The cylinder body 81 is kept away from its articulated axis's one end and has been seted up groove 9 that slides, and portion 82 that slides connects in groove 9 that slides, and portion 82 that slides separates groove 9 into first cavity 91 and second cavity 92, and first cavity 91 is airtight state, and second cavity 92 communicates with the external world, and first cavity 91 intussuseption is filled with the sodium bicarbonate powder. The piston rod 83 is fixed at one end of the sliding part 82 departing from the bottom of the sliding groove 9. The transmission member 84 is a transmission rod 841, one end of the transmission rod 841 is hinged with the piston rod 83 and the other end is fixed with the supporting roller 41.
The working principle of the embodiment is as follows:
the steam curing of the concrete can be divided into four stages of standing still, temperature rising, constant temperature and temperature lowering. When the temperature rises and is in a constant temperature stage, steam needs to be introduced into the curing chamber 1 through the steam inlet 5, at the moment, the cylinder body 81 is heated by the steam, after the cylinder body 81 is heated to be higher than 50 ℃, sodium bicarbonate starts to decompose to produce carbon dioxide, at the moment, the first cavity 91 is sealed, the air pressure in the first cavity 91 rises to enable the sliding part 82 to move away from the bottom of the sliding groove 9, the sliding part 82 drives the piston rod 83 to move away from the bottom of the sliding groove 9 in the direction so as to eject, and the piston rod 83 ejects to enable the transmission piece 84 to drive the bearing roller 41 to rotate so as to drive the workpiece to move.
In the stage of temperature reduction, after the temperature of the cylinder 81 is lower than 50 ℃, sodium carbonate, water and carbon dioxide in the first chamber 91 react to generate sodium bicarbonate, the air pressure in the first chamber 91 is reduced, the sliding part 82 drives the piston rod 83 to move towards the bottom of the sliding groove 9, and the transmission part 84 drives the carrier roller 41 to rotate reversely, so that the workpiece moves back to the initial position.
Example two:
referring to fig. 4, the difference from the first embodiment is that the transmission member 84 includes a driven gear 842, a driving gear 843, and a transmission rod 841, which is different from the transmission member 84 in structure. Wherein driven gear 842 is coaxial fixed with bearing roller 41, and the number of teeth of driving gear 843 is greater than the number of teeth of driven gear 842, and driving gear 843 rotates and connects in the inner wall of curing chamber 1, and the axis of rotation of driving gear 843 is parallel with driven gear 842 and meshes with driven gear 842, and the one end of transfer line 841 is articulated and the other end is fixed with driving gear 843 with the piston rod 83 one end of keeping away from the bottom of sliding groove 9.
When the piston rod 83 moves towards the groove bottom far away from the sliding groove 9, the number of teeth of the driving gear 843 is larger than that of the driven gear 842, so that the overturning angle of the driven gear 842 is larger, the rotating angle of the carrier roller 41 is larger, and the moving range of the workpiece is larger.
The embodiment of the application also discloses a using method of the steam curing equipment for the concrete prefabricated part, which comprises the following steps:
and S1, placing the workpiece on the upper end surface of the bearing component 4 through a forklift or other tools, keeping a gap of 10-15cm between the workpiece and the inner wall of the accommodating cavity, and closing the closed door 3 to isolate the maintenance cavity 2.
And S2, communicating the steam inlet 5 to the steam generating device through a conduit, and discharging the steam into the curing cavity 2 through the steam inlet 5 by the steam generating device.
S3, the steam curing of the concrete can be divided into four stages of standing still, temperature rising, constant temperature and temperature lowering. In the maintenance process, when rising temperature and when the constant temperature stage, cylinder body 81 is heated and makes sodium bicarbonate decompose for piston rod 83 stretches out and makes bearing roller 41 rotate, makes the work piece remove along bearing roller 41 in the horizontal direction, makes work piece and bearing roller 41 conflict department change. In the cooling stage, after the temperature of the cylinder 81 is lower than 50 ℃, sodium carbonate, water and carbon dioxide in the first chamber 91 react to generate sodium bicarbonate, the air pressure in the first chamber 91 is reduced, the sliding part 82 drives the piston rod 83 to move towards the bottom of the sliding groove 9, and the transmission rod 841 drives the carrier roller 41 to rotate in the opposite direction, so that the workpiece moves back to the initial position.
And S4, when the maintenance is finished, opening the closing door 3 and taking the workpiece out of the maintenance cavity 2.
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 (9)
1. The utility model provides a concrete prefabricated component's steam curing equipment which characterized in that: the steam curing chamber comprises a curing chamber (1), wherein the curing chamber (1) is provided with a curing cavity (2), the inner wall of the curing cavity (2) is provided with a plurality of steam inlets (5), and the steam inlets (5) are communicated to a steam generating device; the curing room (1) is also provided with a closed door (3) for covering the curing cavity (2); the supporting device is characterized in that a supporting component (4) is arranged in the maintenance cavity (2), and the supporting component (4) comprises a plurality of supporting rollers (41) used for supporting a workpiece.
2. Steam curing equipment for concrete prefabricated parts according to claim 1, characterized in that: the supporting components (4) are distributed at intervals in the vertical direction, the supporting rollers (41) of each supporting component (4) are respectively located on the inner walls, opposite to each other, of the maintenance cavity (2) in the horizontal direction, and the upper end faces of the supporting rollers (41) in each supporting component (4) are located at the same horizontal height.
3. Steam curing equipment for concrete prefabricated parts according to claim 2, characterized in that: the bearing roller (41) is rotatably connected to the curing chamber (1), and the curing chamber (1) is further provided with a driving piece (8) for driving the bearing roller (41) to rotate.
4. Steam curing equipment for concrete prefabricated parts according to claim 3, characterized in that: the utility model discloses a curing room, including driving piece (8), driving piece (8) and driving piece (84), cylinder body (81), the portion of sliding (82), piston rod (83) and driving medium (84), cylinder body (81) articulate in curing room (1) inner wall, slip groove (9) have been seted up in cylinder body (81), slip portion (82) slide connect in slip groove (9) and separate into first cavity (91) and second cavity (92) with slip groove (9), first cavity (91) are airtight state, second cavity (92) and external intercommunication, first cavity (91) intussuseption is filled with sodium bicarbonate, piston rod (83) are fixed in the portion of sliding (82), driving piece (84) are connected with piston rod (83), are heated when cylinder body (81) and make sodium bicarbonate decompose the back, slip portion (82) move towards keeping away from slip groove (9) tank bottom direction and drive piston rod (83) ejecting, the transmission piece (84) runs along the piston rod (83) to enable the bearing roller (41) to rotate.
5. Steam curing equipment for concrete prefabricated parts according to claim 4, characterized in that: the cylinder body (81) is of a heat conducting material, and the position of the cylinder body (81) is close to the steam inlet (5).
6. Steam curing equipment for concrete prefabricated parts according to claim 4, characterized in that: the transmission piece (84) is a transmission rod (841), one end of the transmission rod (841) is hinged with the piston rod (83), and the other end of the transmission rod (841) is fixed with the bearing roller (41).
7. Steam curing equipment for concrete prefabricated parts according to claim 4, characterized in that: the driving medium (84) including be fixed in driven gear (842) of bearing roller (41), rotate connect in maintenance room (1) and with driven gear (842) engaged with driving gear (843) and one end and piston rod (83) articulated and other end and driving gear (843) fixed transfer line (841), the number of teeth of driving gear (843) is greater than the number of teeth of driven gear (842).
8. Steam curing equipment for concrete prefabricated parts according to claim 4, characterized in that: every in bearing subassembly (4), driving piece (8) correspond and are equipped with two, and two driving pieces (8) are located the relative inside wall of curing chamber (1) respectively, and two driving pieces (8) symmetry set up, with two bearing roller (41) coaxial settings that driving piece (8) correspond, and with two through connecting roller (7) fixed connection between bearing roller (41) that driving piece (8) correspond.
9. Use method of steam curing equipment for concrete prefabricated parts according to claim 4, characterized in that: the method comprises the following steps:
s1, placing the workpiece on the upper end face of the bearing component (4), and isolating the maintenance cavity (2) through a closed door (3);
s2, discharging steam into the curing cavity (2) through the steam inlet (5) by the steam generating device;
s3, in the maintenance process, the cylinder body (81) is heated to decompose sodium bicarbonate, so that the piston rod (83) extends out and the bearing roller (41) rotates, the workpiece moves along the bearing roller (41) in the horizontal direction, and the collision position between the workpiece and the bearing roller (41) is changed;
and S4, opening the closing door (3) after the maintenance is finished, and taking the workpiece out of the maintenance cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011541783.6A CN112643865A (en) | 2020-12-23 | 2020-12-23 | Steam curing equipment for concrete prefabricated part and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011541783.6A CN112643865A (en) | 2020-12-23 | 2020-12-23 | Steam curing equipment for concrete prefabricated part and using method |
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| Publication Number | Publication Date |
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| CN112643865A true CN112643865A (en) | 2021-04-13 |
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| CN202011541783.6A Pending CN112643865A (en) | 2020-12-23 | 2020-12-23 | Steam curing equipment for concrete prefabricated part and using method |
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Application publication date: 20210413 |