CN218025865U - Aging device system for building gypsum powder - Google Patents
Aging device system for building gypsum powder Download PDFInfo
- Publication number
- CN218025865U CN218025865U CN202221932755.1U CN202221932755U CN218025865U CN 218025865 U CN218025865 U CN 218025865U CN 202221932755 U CN202221932755 U CN 202221932755U CN 218025865 U CN218025865 U CN 218025865U
- Authority
- CN
- China
- Prior art keywords
- aging
- gypsum powder
- device system
- air inlet
- aging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The utility model provides an aging device system for building gypsum powder, which comprises a grinding device, a dispersed water vapor cavity sleeve and an aging device which are connected in sequence along the movement direction of gypsum; the dispersed water vapor cavity sleeve comprises a hollow cavity consisting of an inner pipe and an outer pipe; a first air inlet hole is formed in the side wall of the outer pipe; the side wall of the inner pipe is provided with an exhaust hole; the aging device system further comprises a breather device; the ventilating device is connected with an inlet of the grinding device; the air breather is connected with the hollow cavity through the first air inlet hole. The utility model provides an aging device system can promote the gesso ageing, avoids the gesso because the heat is too high turns into anhydrous gypsum, improves ageing efficiency, shortens the ageing time.
Description
Technical Field
The utility model relates to a gypsum material technical field especially relates to an aging device system of building gesso.
Background
The building gypsum powder is generally prepared by calcining, and the newly calcined building gypsum contains a certain amount of anhydrous gypsum and dihydrate gypsum although the main component is hemihydrate gypsum due to poor thermal conductivity and limited calcining time, and has the phenomena of unstable phase composition, higher content energy, large dispersion degree and high adsorption activity, so that the building gypsum has the defects of large water requirement for standard consistency, low strength, short setting time and the like. Therefore, the building gypsum obtained after calcination needs to be subjected to an aging process to improve its properties.
Aging is the storage and moist heat treatment of freshly calcined building gypsum over a period of time to improve its physical properties to varying degrees. Aging is one of the technological measures for improving the quality of building gypsum products. During aging, both the anhydrous gypsum and the residual dihydrate gypsum are converted to hemihydrate.
CN213612491U discloses an environmental protection gypsum powder screening and aging device, which comprises a lifter, wherein the output end of the lifter is provided with a drum screen, the drum screen comprises a screening sleeve, a second screening cylinder, a third screening cylinder and a first screening cylinder are sequentially arranged inside the screening sleeve from inside to outside, and screen holes are gradually reduced; adjacent screening cylinders are fixedly connected through a connecting rod, a connecting column is installed in the second screening cylinder and is connected with a rotating shaft, and the rotating shaft is driven to rotate through a motor; the third screening cylinder is externally connected with a first discharging cylinder, and the second screening cylinder is externally connected with a second discharging cylinder; a feeding zipper machine is arranged below the screening sleeve, one side of the feeding zipper machine is provided with discharge ports which are one-to-one corresponding to the first screening barrel and each discharge barrel, and an aging bin is arranged below the discharge ports. The device can realize the sieving and filtering of the gypsum powder, but is difficult to sufficiently age the gypsum powder to obtain the semi-hydrated gypsum, and the aging time is long.
CN211420005U discloses a gypsum powder aging device, which comprises an aging cylinder, wherein a partition plate is fixed at the top of the aging cylinder, the lower end of the partition plate is suspended, the aging cylinder is divided into a first aging chamber and a second aging chamber by the partition plate, the lower ends of the first aging chamber and the second aging chamber are communicated, a blanking assembly is arranged in the first aging chamber, and a first air inlet assembly is arranged on the side wall of the first aging chamber; a guide pipe is arranged in the second aging chamber in a hanging manner, and a second air inlet assembly is arranged below the guide pipe; the feed inlet is arranged at the top of the first aging chamber, and the discharge outlet is arranged at the upper end of the side wall of the second aging chamber. The device is difficult to fully age the anhydrous gypsum in the gypsum powder, has large equipment investment and long aging time, and is not beneficial to the economical efficiency of production.
Therefore, the aging device system which is simple in structure and high in aging efficiency is of great significance.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an ageing device system of building gesso, ageing device system can let in steam in the grinding stage, and the striking heat between powder, grinding medium and the equipment is eliminated to the part to reuse steam and to building gesso cooling in ejection of compact stage, thereby can improve ageing efficiency, reduce the ageing time.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an aging device system for building gypsum powder, which comprises a grinding device, a dispersed water vapor cavity sleeve and an aging device which are sequentially connected along the movement direction of gypsum; the dispersed water vapor cavity sleeve comprises a hollow cavity consisting of an inner pipe and an outer pipe; a first air inlet hole is formed in the side wall of the outer pipe; the side wall of the inner pipe is provided with an exhaust hole; the aging device system further comprises an aeration device; the air breather is connected with an inlet of the grinding device; the ventilating device is connected with the hollow cavity through the first air inlet hole.
Aiming at the problem that the content of anhydrous phase is increased because the semi-aqueous phase in the powder is converted into the anhydrous phase due to the heat generated by the collision of a grinding device and materials in the grinding process of the existing building gypsum powder; and the higher gypsum powder of temperature is preserved in ageing device, because of the higher problem that takes place to restrain the gypsum powder ageing, ageing time is longer of the higher easy emergence of heat, the utility model provides an ageing device system utilizes breather to lead to into steam in the grinding device at the grinding stage, can improve the humidity in the grinding device to produce a certain amount of water in the grinding device, partly eliminate the heat that material and equipment striking produced in the grinding device, and promote the gypsum powder fully to absorb steam, make it turn into half water gypsum; the utility model provides an aging device system passes through dispersion steam cavity sleeve pipe in ejection of compact stage, and control steam mixes and the dispersion with the gesso, further reduces the temperature of gesso to make steam attach to the gesso surface, further play the effect that promotes ageing.
The utility model has no special limitation on the source of the water vapor in the ventilating device, such as the water vapor recovered in the production process.
Preferably, the number of the first gas inlet openings is ≧ 1, such as 1, 2, 3 or 4, but not limited to the values listed, and other values not listed in the numerical range are equally suitable.
Preferably, one side of the upper part of the grinding device is provided with a second air inlet.
Preferably, the ventilating device is connected with the inlet of the grinding device through a second air inlet hole.
Preferably, the second air inlet hole is provided with a plectrum.
The utility model discloses a set up the plectrum and can block grinding device's second inlet port. In the aeration stage, the plectrum is opened, and water vapor is introduced into the grinding device through the aeration device; after the ventilation is finished, the plectrum is closed, the grinding is carried out, and the gypsum powder leakage or pore channel blockage can be effectively prevented.
Preferably, the number of the second gas inlet openings is greater than or equal to 1, for example 1, 2, 3 or 4, but is not limited to the values listed, and other values not listed in the numerical range are equally suitable.
Preferably, the height of the second air inlet holes is 1/2-2/3 of the height of the grinding device, such as 1/2, 7/12, 5/8 or 2/3, but not limited to the recited values, and other values in the range of the recited values are also applicable.
The utility model discloses the preferred height that sets up the second inlet port is 1/2-2/3 of grinding device height, can promote steam and gesso abundant contact when not disturbing the operation of grinding device.
Preferably, the side wall of the inner tube is provided with a plurality of uniformly distributed exhaust holes.
Preferably, the vent has a diameter of 1 to 2mm, for example 1mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm or 2mm, but not limited to the values recited, and other values not recited within the range of values are equally applicable.
The utility model provides a dispersion steam cavity sleeve pipe includes the cavity of constituteing by inner tube and outer tube. In the discharging stage, the water vapor of the ventilating device is introduced into the hollow cavity through the first air inlet, the water vapor exchanges heat with the ground gypsum powder in the hollow cavity, and the redundant water vapor is discharged from the air outlet of the inner pipe, so that the effect of cooling the gypsum powder in the discharging process is achieved, and the gypsum powder is prevented from being dehydrated again in the aging device due to overhigh temperature. Meanwhile, water vapor can be mixed with the gypsum powder, so that the water vapor is attached to the surface of the gypsum powder, and the gypsum powder is promoted to age in the aging device.
Further, the utility model discloses a pore diameter in control exhaust hole not only can make gesso and steam fully contact at specific range, can also regulate and control steam discharge, avoids the gesso excessive hydration and prevents that the gesso from revealing.
Preferably, the outlet of the aeration device is provided with a flow regulating valve.
The utility model discloses a set up flow control valve, can control the steam volume that breather carried to grinding device and cavity, the delivery capacity of steam is adjusted according to the state of gesso, avoids the gesso hydration not enough or excessive hydration.
The utility model has no special limitation on the aging device, and can be any device which can be used for aging the gypsum powder in the field, such as an aging bin.
The utility model provides an aging device system is used for the ageing operation process of building gesso as follows:
(1)loading calcined gypsum powder into grinding device, opening the ventilation device and the plectrum of the second air inlet, and adjusting the flow regulating valve to flow rate of 2-5m 3 Introducing water vapor into a grinding device for 10-20min, contacting the water vapor with gypsum powder, cooling, closing a flow regulating valve and a stirring sheet, and grinding for 5-15min;
(2) The ground gypsum powder enters the hollow cavity of the dispersed water vapor cavity sleeve at the speed of 3-8m 3 Discharging the gypsum powder to an aging device, adjusting a flow regulating valve of a ventilation device to the flow rate of 2-10L/min, conveying water vapor into the hollow cavity through the first air inlet hole, enabling the water vapor to be fully contacted with the gypsum powder and further reducing the temperature, discharging the excess water vapor from the air outlet hole of the inner pipe, and enabling the cooled gypsum powder to enter the aging device for further aging under the forced ventilation condition.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model provides an aging device system can improve grinding device's humidity through leading to into steam in grinding device, promotes the gesso ageing when reducing the thermal in the grinding device, avoids the gesso because the too high anhydrous gypsum that turns into of heat.
(2) The utility model provides an aging device system further cools down the gesso through setting up dispersion steam cavity sleeve pipe in transportation process, makes steam fully adhere to on the gesso surface, promotes the gesso ageing to semihydrated gypsum, improves ageing efficiency, shortens the ageing time.
Drawings
FIG. 1 is a schematic view of an aging apparatus system according to embodiment 1 of the present invention;
FIG. 2 is a graph showing the content of type III anhydrite in gypsum powder with respect to aging time when the aging apparatus system provided in example 1 and comparative examples 1 to 2 of the present invention is used for aging;
in the figure: 1-a grinding device; 2-an aeration device; 3-dispersing the water vapor cavity sleeve; 4-aging bin.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The present invention will be described in further detail below. However, the following examples are only simple examples of the present invention, and do not represent or limit the scope of the present invention, which is defined by the appended claims.
It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" or "connected" in the description of the present invention are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
It should be understood by those skilled in the art that the present invention inevitably includes necessary pipelines, conventional valves and general pump devices for realizing the complete process, but the above contents do not belong to the main invention point of the present invention, and those skilled in the art can select types based on the process flow and the device structure to add layout by themselves, and the present invention does not make special requirements and specific limitations to this.
Example 1
The embodiment provides an aging device system for building gypsum powder, the structural schematic diagram of which is shown in fig. 1, the aging device system comprises a grinding device, a dispersed water vapor cavity sleeve and an aging bin which are sequentially connected along the movement direction of gypsum, the dispersed water vapor cavity sleeve comprises a hollow cavity consisting of an inner pipe and an outer pipe, the side wall of the outer pipe is provided with 1 first air inlet, the side wall of the inner pipe is provided with a plurality of exhaust holes which are uniformly distributed, the aperture of each exhaust hole is 1.5mm, one side of the upper part of the grinding device is provided with 1 second air inlet, each second air inlet is provided with a stirring sheet, the height of each second air inlet is 2/3 of the height of the grinding device, the aging device system further comprises an air breather, the air breather is connected with the inlet of the grinding device through the second air inlet, the air breather is connected with the hollow cavity through the first air inlet, and the outlet of the air breather is provided with a flow regulating valve.
The operation process of the aging device system provided by the embodiment for aging the building gypsum powder is as follows:
(1) Loading calcined gypsum powder (160 deg.C, 58wt% of type III anhydrous gypsum) into grinding device, opening ventilation device and second air inlet plectrum, and adjusting flow regulating valve to flow rate of 3m 3 Introducing water vapor into a grinding device for 15min, contacting the water vapor with the gypsum powder, cooling, closing a flow regulating valve and a stirring sheet, and grinding for 10min;
(2) The ground gypsum powder enters the hollow cavity of the dispersed water vapor cavity sleeve at the speed of 5m 3 Discharging to an aging bin at min, adjusting a flow adjusting valve of the ventilation device to the flow rate of 7L/min, conveying water vapor into the hollow cavity through the first air inlet hole, enabling the water vapor to be fully contacted with gypsum powder and further cooling, discharging redundant water vapor from the air outlet hole of the inner pipe, and cooling the stoneAnd (5) the paste powder enters an aging bin to be aged under the condition of forced ventilation.
Comparative example 1
This comparative example provides an aging apparatus system for building gypsum powder, which is different from example 1 only in that the apparatus system is not provided with an aeration device, and the dispersion water vapor chamber casing is not provided with a first air inlet hole and an air outlet hole.
The operation process of the aging device system for aging the building gypsum powder provided by the comparative example is as follows:
(1) Loading calcined gypsum powder (same as that in embodiment 1) into a grinding device, closing a shifting sheet, and grinding under the same grinding conditions as in embodiment 1;
(2) The ground gypsum powder passes through a dispersed water vapor cavity sleeve at the speed of 5m 3 Discharging at/min to an aging bin for aging, wherein the aging conditions are the same as those in example 1.
In the operation process, the gypsum powder is in a dry state during grinding and discharging, and is not contacted with water vapor.
Comparative example 2
This comparative example provides an aging apparatus system for building landplaster, which includes only an aging bin, which is the same as in example 1.
The operation process of the aging device system for aging the building gypsum powder provided by the comparative example is as follows:
the calcined gypsum powder (same as example 1) was directly put into an aging chamber for aging under the same aging conditions as example 1.
The aging was performed using the aging apparatus system provided in example 1 and comparative examples 1 to 2, and the content of the type III anhydrite in the landplaster was measured as a graph showing the change with aging time, as shown in FIG. 2. From fig. 2, the following points can be seen:
(1) When the aging time is 0h, the content of the gypsum powder, namely calcined gypsum powder, in the aging device system described in comparative example 2 is 58wt%, and compared with comparative example 2, the content of the gypsum powder can be reduced to about 40wt% by using the aging device system provided in example 1, and the content of the gypsum powder can be increased to about 70wt% by using the aging device system provided in comparative example 1 in example 1 and comparative example 1.
Therefore, by adopting the aging device system provided in embodiment 1, the gypsum powder can be cooled in the grinding stage and the discharging stage, and the water vapor is attached to the surface of the gypsum powder, so that the content of the anhydrous gypsum is reduced, and the aging process is promoted, while the aging device system provided in comparative example 1 cannot cool the gypsum powder, the semi-hydrated gypsum is converted into the three types of anhydrous gypsum, and the aging difficulty is increased. Therefore, the utility model provides an ageing device system can promote the gesso ageing to improve ageing efficiency.
(2) When the content of the type iii anhydrous gypsum is 0%, compared with comparative examples 1-2, example 1 requires 12 hours to complete the aging apparatus system provided in example 1, and 16 hours to complete the aging apparatus system provided in comparative example 1, and the aging apparatus system provided in comparative example 2 still contains 15wt% type iii anhydrous gypsum at 16 hours, so that it can be seen that the aging apparatus system provided in the present invention can significantly shorten the aging time, thereby improving the aging efficiency.
To sum up, the utility model provides an aging device system can reduce the heat at the grinding in-process, prevents that the gypsum dehydration of semiwater from turning into anhydrous gypsum, further continues the cooling and make steam adhere to on the gesso surface at ejection of compact process, further promotes the ageing process, improves ageing efficiency, shortens the ageing time, not only can reduce energy consumption, can also reduction in production cost, improves production efficiency.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. An aging device system for building gypsum powder is characterized by comprising a grinding device, a dispersed water vapor cavity sleeve and an aging device which are sequentially connected along the movement direction of gypsum;
the dispersed water vapor cavity sleeve comprises a hollow cavity consisting of an inner pipe and an outer pipe;
a first air inlet hole is formed in the side wall of the outer pipe;
the side wall of the inner pipe is provided with an exhaust hole;
the aging device system further comprises an aeration device;
the ventilating device is connected with an inlet of the grinding device;
the ventilating device is connected with the hollow cavity through the first air inlet hole.
2. An aging device system for building gypsum powder as claimed in claim 1, wherein the number of the first air inlet holes is more than or equal to 1.
3. The aging device system for building gypsum powder of claim 1, wherein a second air inlet hole is provided at one side of the upper part of the pulverizing device.
4. An aging device system for building gypsum powder as claimed in claim 3, wherein the aeration device is connected with the inlet of the pulverizing device through a second air inlet hole.
5. An aging device system for building gypsum powder as claimed in claim 3, wherein the second air inlet hole is provided with a poking piece.
6. The aging device system for building gypsum powder as claimed in claim 3, wherein the number of the second air inlets is more than or equal to 1.
7. An aging device system for building gypsum powder as claimed in claim 3, wherein the height of the second air inlet hole is 1/2-2/3 of the height of the pulverizing device.
8. An aging device system for building gypsum powder as claimed in claim 1, wherein the side wall of the inner pipe is provided with a plurality of uniformly distributed exhaust holes.
9. An aging device system for building gypsum powder as claimed in claim 8, wherein the aperture of the exhaust hole is 1-2mm.
10. An aging device system for building gypsum powder as claimed in claim 1, wherein the outlet of the aeration device is provided with a flow regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221932755.1U CN218025865U (en) | 2022-07-26 | 2022-07-26 | Aging device system for building gypsum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221932755.1U CN218025865U (en) | 2022-07-26 | 2022-07-26 | Aging device system for building gypsum powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218025865U true CN218025865U (en) | 2022-12-13 |
Family
ID=84385574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221932755.1U Active CN218025865U (en) | 2022-07-26 | 2022-07-26 | Aging device system for building gypsum powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218025865U (en) |
-
2022
- 2022-07-26 CN CN202221932755.1U patent/CN218025865U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206229615U (en) | A kind of feed screens pre-mixing apparatus | |
| CN102527475B (en) | Production process and production line of ceramic slurry | |
| CN208084708U (en) | A kind of special weightless title automatic feeder of Masterbatch production | |
| CN205550143U (en) | A powder agitating mixing apparatus for in medicine production technology | |
| WO2024051093A1 (en) | Circulating kneading type pulping system | |
| CN218025865U (en) | Aging device system for building gypsum powder | |
| CN112497485B (en) | Anti-cracking cement raw material mixing proportion and mixing equipment thereof | |
| CN209534099U (en) | A kind of automatic mixing feeding device of plastic grain screw extruder | |
| CN217943802U (en) | Raw materials proportioning device of cement manufacture | |
| CN205109763U (en) | Energy -conserving ceramic tile production ball -milling slurrying device | |
| CN211056971U (en) | Gypsum powder cooling and ageing equipment | |
| CN216856544U (en) | Synthetic diamond powder mixing arrangement | |
| CN216347796U (en) | Continuous calcining equipment for producing alumina powder | |
| CN217686481U (en) | Drying device is used in yeast powder production | |
| CN204914168U (en) | Concrete test blocks conservation case | |
| CN208100817U (en) | Particle mixing plant | |
| CN210651789U (en) | Front-end feeding device of extruder | |
| CN113996784B (en) | Powder storage device for powder metallurgy | |
| CN208468808U (en) | Master batch drying device | |
| CN208260723U (en) | One kind producing calcium hydroxide device | |
| CN112427115A (en) | Special mortar mixing machine for building concrete wall | |
| CN211365687U (en) | Material storage device for production of concrete water reducing agent | |
| CN114749045A (en) | High-energy-efficiency plate base material stirring device | |
| CN220793812U (en) | Granular calcium aluminate calciner for producing aluminum ash | |
| CN217795968U (en) | Down feather stirring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |