CN214844669U - Cement specific surface area tester - Google Patents
Cement specific surface area tester Download PDFInfo
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- CN214844669U CN214844669U CN202120779059.0U CN202120779059U CN214844669U CN 214844669 U CN214844669 U CN 214844669U CN 202120779059 U CN202120779059 U CN 202120779059U CN 214844669 U CN214844669 U CN 214844669U
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- specific surface
- surface area
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Abstract
The utility model discloses a cement specific surface area tester, which relates to the technical field of measuring instruments and solves the technical problems of U-shaped pipe adjustment inside the cement specific surface area tester and the internal constant temperature and humidity thereof, the utility model comprises a cabinet body, a cabinet door, a U-shaped pipe and a control console, wherein the control console is provided with a frame, the U-shaped pipe is fixedly arranged on the frame, one end of the U-shaped pipe is provided with a funnel, the other end extends to a cavity in the cabinet body, the left side of the cabinet body is provided with a flange plate, the flange plate is connected with a leather glove in a clamping way, and the leather glove extends into the cavity; the upper side of the cabinet body is provided with a moisturizing device, the moisturizing device is communicated with the cavity through an exhaust port and an air return pipe which are arranged on the upper side of the cabinet body, and the upper side of the moisturizing device is provided with a first exhaust hole and a second exhaust hole; the humidity inside the tester is at a constant value, the utility model has the advantages of the inside U-shaped pipe adjustment of cement specific surface area tester and its inside constant temperature, humidity are not more than 50%.
Description
Technical Field
The utility model belongs to the technical field of the measuring apparatu technique and specifically relates to a cement specific surface area apparatus is related to for after cement specific surface area test measurement, keep the inside humidity of apparatus at the constant value.
Background
The cement specific surface area measurer is a measuring device widely applied to specific surface areas of non-porous powdery materials such as cement, ceramics, abrasive, metal, gunpowder and the like, and the main principle is that when a certain amount of air passes through a cement layer with a certain porosity and a fixed thickness, the specific surface area is measured through the change of flow velocity caused by different resistance forces.
Current cement specific surface area automatic measure appearance includes controller, frame and U type pipe, sets up and integrated connection between controller and the frame side by side, and the U type pipe passes through the screw and metal connecting piece is fixed in the frame, and the back that finishes in every experiment all needs to be dismantled the U type pipe and get off to wash and preserve, prevents that it from receiving the damage.
However, in each test experiment, in order to ensure the measurement accuracy, sometimes the U-shaped pipe needs to be adjusted to place the U-shaped pipe in the experiment process, and the cabinet door does not need to be opened in the test process due to the adjustment mode, so that the inside of the tester needs to be kept at a constant temperature, and meanwhile, the tester also needs to be capable of accurately measuring the specific surface area of the cement under the conditions of constant temperature and certain humidity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem of inside U type pipe adjustment of current cement specific surface area apparatus and its inside invariable temperature, humidity, the utility model provides a cement specific surface area apparatus.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the cement specific surface area tester comprises a cabinet body, a cabinet door, a U-shaped pipe and a control console, wherein a rack is arranged on the control console, the U-shaped pipe is fixedly installed on the rack, one end of the U-shaped pipe is provided with a funnel, the other end of the U-shaped pipe extends to a cavity in the cabinet body, a flange plate is arranged on the left side of the cabinet body, a leather glove is clamped on the flange plate, and the leather glove extends into the cavity; the upside of the cabinet body has the moisturizing device, the moisturizing device passes through gas vent and muffler intercommunication cavity that cabinet body upside had, the upside of moisturizing device has first exhaust hole and second exhaust hole.
Wherein, the moisturizing device has the shell, first exhaust hole is located the top left side of shell, the second exhaust hole is located the top right side of shell.
The water tank is characterized in that a partition plate is arranged inside the shell, the inside of the shell is divided into an upper portion and a lower portion, the upper portion inside the shell is provided with a plurality of heating rods, the heating rods above the inside of the shell and the heating rods above the partition plate are arranged in a staggered mode, peak-shaped airflow channels are formed between the heating rods and the partition plate, a water tank containing water is arranged on the lower right side inside the shell, and the air return pipe is located on the right side of the shell and is communicated with the lower portion inside the shell.
The baffle plate is provided with a first toothed block below, the shell is provided with a second toothed block below inside, and the first toothed block and the second toothed block are arranged in a staggered mode to form a corrugated flow channel.
The first toothed block and the second toothed block are provided with a plurality of dehumidifiers, and the dehumidifiers are arranged close to the air outlets.
A first pulling plate is arranged between the first exhaust hole and the second exhaust hole, the lower part of the interior of the shell is communicated with the upper part of the interior of the shell, and a second pulling plate is arranged between the second exhaust hole and the lower part of the interior of the shell; the fan is installed to the inside upper left side of shell.
And heating rods are arranged on the left side of the first pulling plate, the right side of the second pulling plate and between the first pulling plate and the second pulling plate.
The utility model has the advantages as follows:
1. the U-shaped pipe is fixedly arranged on the frame, one end of the U-shaped pipe is provided with a funnel, the other end of the U-shaped pipe extends into a cavity in the cabinet body, the left side of the cabinet body is provided with a flange plate, a leather glove is clamped on the flange plate, and the leather glove extends into the cavity; the upside of the cabinet body has the moisturizing device, the moisturizing device communicates the cavity through gas vent and muffler that cabinet body upside has, the upside of moisturizing device has first exhaust hole and second exhaust hole, has solved the inside U type pipe adjustment of cement specific surface area apparatus and the invariable problem of its inside temperature and humidity.
2. Moisturizing device has the shell, first exhaust hole is located the top left side of shell, the second exhaust hole is located the top right side of shell, the gas that first exhaust hole discharged is less than second exhaust hole combustion gas humidity.
3. The inside baffle that has of shell, with the inside upper portion of divideing into upper and lower two parts of shell, the inside upper portion of shell is equipped with a plurality of heating rods, is located the heating rod of the inside top of shell and the setting of staggering of heating rod above the baffle, forms peak form air current channel between heating rod and the it, and the inside right side downside of shell has the cask of dress water, the muffler is located the shell right side and communicates the inside lower part of shell, makes the inside lower part of shell keep in the indoor 50% humidity of cavity, and the inside upper portion of shell can get rid of not equidimension humidity and temperature gas.
4. Baffle below is equipped with first dentate piece, the inside below of shell is equipped with the second dentate piece, first dentate piece and second dentate piece staggered arrangement set up and form the ripples and roll over type runner, mainly flow for gaseous slow flow, reduce the velocity of flow.
5. Be equipped with a plurality of dehumidifiers on first dentate piece and the second dentate piece, the dehumidifier is close to the direction setting of gas vent reduces humidity gradually at gaseous slow flow in-process.
6. In the utility model, a first pulling plate is arranged between the first exhaust hole and the second exhaust hole, the lower part of the inside of the shell is communicated with the upper part of the inside of the shell, and a second pulling plate is arranged between the second exhaust hole and the lower part of the inside of the shell; the fan is installed to the inside upper left side of shell, and the fan forms the negative pressure and takes out gas, and according to required gas and adjust the arm-tie switching to different exhaust hole exhaust different temperature and humidity gas.
Drawings
Fig. 1 is a schematic view of the left-side perspective structure of the present invention;
FIG. 2 is a schematic view of the right-side perspective structure of the present invention;
fig. 3 is a schematic top sectional view of the present invention.
Reference numerals: 1-cabinet body, 2-cabinet door, 3-flange plate, 4-U-shaped tube, 5-frame, 6-console, 7-funnel, 8-leather glove, 9-moisturizing device, 10-exhaust port, 11-dehumidifier, 12-blower, 13-shell, 14-first exhaust hole, 15-heating rod, 16-first pulling plate, 17-first tooth-shaped block, 18-second exhaust hole, 19-second pulling plate, 20-partition plate, 21-second tooth-shaped block, 22-bucket, 23-air return pipe and 24-chamber.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, combine the embodiment below, it is right the utility model discloses further detailed description proceeds. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be understood that in the description of the present invention, the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention, and does not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a specific surface area measuring instrument for cement, which includes a cabinet 1, a cabinet door 2, a flange 3, a U-shaped tube 4, a frame 5 and a console 6, wherein the console 6 has the frame 5, the U-shaped tube 4 is mounted and fixed on the frame 5, one end of the U-shaped tube 4 has a funnel 7, the funnel 7 can flow in time to ensure cement sand to gradually flow into the U-shaped tube 4, the other end of the U-shaped tube extends into a chamber 24 in the cabinet 1, the left side of the cabinet 1 has the flange 3, the flange 3 is connected with a leather glove 8, the leather glove 8 extends into the chamber 24, a hand of a user is placed into the leather glove 8 to adjust the position of the U-shaped tube 4 in the cabinet 1, the flange 3 is taken down according to different hand extending degrees to be changed into leather gloves 8 with different lengths, the upper side of the cabinet 1 has a moisture preservation device 9, the moisturizing device 9 is communicated with the chamber 24 through the air outlet 10 and the air return pipe 23 which are arranged on the upper side of the cabinet body 1, and the first air outlet 14 and the second air outlet 18 are arranged on the upper side of the moisturizing device 9.
As shown in fig. 3, the moisturizing device 9 has a housing 13, the first exhaust hole 14 is located on the left side of the upper portion of the housing 13, the second exhaust hole 18 is located on the right side of the upper portion of the housing 13, a partition 20 is provided inside the housing 13 to divide the inside of the housing 13 into an upper portion and a lower portion, the upper portion of the inside of the housing 13 is provided with a plurality of heating rods 15, the heating rods 15 located above the inside of the housing 13 are arranged in a staggered manner with respect to the heating rods 15 located above the partition 20, a peak-shaped airflow channel is formed between the heating rods 15 and the partition, a water bucket 22 for containing water is provided on the lower right side of the inside of the housing 13, the air return pipe 23 is located on the right side of the housing 13 and communicates with the lower portion of the inside of the housing 13, and the blower 12 is installed on the upper left side of the inside of the housing 13.
A first toothed block 17 is arranged below the partition plate 20, a second toothed block 21 is arranged below the inner part of the shell 13, and the first toothed block 17 and the second toothed block 21 are arranged in a staggered mode to form a corrugated flow channel.
A plurality of dehumidifiers 11 are arranged on the first toothed block 17 and the second toothed block 21, and the dehumidifiers 11 are arranged in the direction close to the air outlet 10.
Be equipped with first arm-tie 16 between first exhaust hole 14 and the second exhaust hole 18, the inside lower part of shell 13 with the inside upper portion intercommunication of shell 13, be equipped with second arm-tie 19 between the inside lower part of second exhaust hole 18 and shell 13, the left side of first arm-tie 16, the right side of second arm-tie 19 and have heating rod 15 between first arm-tie 16 and the second arm-tie 19. The first pulling plate 16 and the second pulling plate 19 are located at the rear side (not shown in the figure) of the housing 13, which corresponds to the sliding plate moving the first pulling plate 16 and the second pulling plate 19 in the front-rear direction by hand operation.
The dehumidifier 11, the fan 12 and the heating rod 15 described in this embodiment are connected to an external power supply, the dehumidifier 11 may be an uncharged dehumidification material layer (anhydrous calcium chloride) or a small device (model: DOROSIN) which is powered on, the way of connecting the dehumidifier 11, the fan 12 and the heating rod 15 to the power supply is not described in detail herein, but only the mechanical structure is protected, and meanwhile, a temperature sensor and a humidity sensor may be installed on the front and rear sides of the upper and lower parts inside the housing 13 to be connected to the display screen on the console 6 to display temperature and humidity (this principle is the existing control technology, and is not described in detail herein).
Example 2
The working principle is as follows: in one end of the U-shaped pipe 4 with the funnel 7, the port at the upper end of the funnel 7 is sealed by a plug, the other end of the U-shaped pipe 4 is exhausted, the moisture preservation device 9 exhausts the gas in the cavity 24 through the exhaust port 10, and the gas is staggered by the first toothed block 17 and the second toothed block 21 to form a corrugated flow channel. If the second pulling plate 19 is closed, the heating rod 15 keeps the lower part of the inner part of the shell 13 at a certain temperature, the water vapor of the water bucket 22 is evaporated, the air return pipe 23 returns the air flow to the cavity 24, and the humidity of the cavity 24 is kept within 50%; if the second pulling plate 19 is opened, the first pulling plate 16 is closed, the gas is exhausted from the second exhaust hole 18, and the humidity of the gas heated by the temperature of the heating rod 15 is reduced; if the first pulling plate 16 and the second pulling plate 19 are both opened, the gas is discharged from the first discharge hole 14 and the second discharge hole 18, but the humidity of the gas discharged from the first discharge hole 14 is lower than that of the gas discharged from the second discharge hole 18. The opening and closing of the first pulling plate 16 and the second pulling plate 19 are controlled to control different humidity of the gas.
Example 3
Testing and calibrating instruments
Air permeability inspection: the pressure gauge barrel interface is plugged by randomly distributed rubber plugs, necessary parameters are set, then the instrument is started, and after the instrument is automatically stopped, whether the liquid level falls or not is carefully observed, and whether the liquid level does not fall is normal or not is judged.
② measurement of volume of material testing layer (Mercury displacement method)
Please refer to the random attached method for determining specific surface area of cement (Bob's method) GB8074-
Measuring volume of material testing layer
Please refer to randomly attached method for determining specific surface area of cement (Boehringer's method) GB8074-2008
Test procedure
Preparation of a sample
Please refer to the random attached method for determining specific surface area of cement (Bob's method) GB8074-
② determining sample amount
Please refer to the random attached method for determining specific surface area of cement (Bob's method) GB8074-
Preparation of a test Material layer
Please refer to the random attached method for determining specific surface area of cement (Bob's method) GB8074-
Please refer to GB8074-2008 for other unrecited test problems.
T6021-1993 cement specific surface area determination method
JTG3420-2020 cement specific surface area determination method
T0504-2005 cement specific surface area test method
Claims (7)
1. The cement specific surface area tester comprises a cabinet body (1), a cabinet door (2), a U-shaped pipe (4) and a control console (6), wherein the control console (6) is provided with a rack (5), the U-shaped pipe (4) is fixedly installed on the rack (5), one end of the U-shaped pipe (4) is provided with a funnel (7), and the other end of the U-shaped pipe extends into a cavity (24) in the cabinet body (1), and the cement specific surface area tester is characterized in that a flange plate (3) is arranged on the left side of the cabinet body (1), leather gloves (8) are clamped on the flange plate (3), and the leather gloves (8) extend into the cavity (24); the upside of the cabinet body (1) has the moisturizing device (9), the moisturizing device (9) communicates cavity (24) through exhaust port (10) and muffler (23) that the cabinet body (1) upside has, the upside of moisturizing device (9) has first exhaust hole (14) and second exhaust hole (18).
2. The cement specific surface area measuring instrument according to claim 1, characterized in that: the moisturizing device (9) is provided with a shell (13), the first exhaust hole (14) is located on the left side above the shell (13), and the second exhaust hole (18) is located on the right side above the shell (13).
3. The cement specific surface area measuring instrument according to claim 2, characterized in that: the utility model discloses a heating device, including shell (13), shell (13) inside baffle (20) have, divide into two parts about shell (13) is inside, the inside upper portion of shell (13) is equipped with a plurality of heating rods (15), and heating rod (15) that are located the inside top of shell (13) stagger the setting with heating rod (15) of baffle (20) top, and heating rod (15) and its between form peak form air current channel, and the inside right downside of shell (13) has cask (22) of dress water, muffler (23) are located shell (13) right side and communicate the inside lower part of shell (13).
4. The cement specific surface area measuring instrument according to claim 3, characterized in that: a first toothed block (17) is arranged below the partition plate (20), a second toothed block (21) is arranged below the inner part of the shell (13), and the first toothed block (17) and the second toothed block (21) are arranged in a staggered mode to form a corrugated flow channel.
5. The cement specific surface area measuring instrument according to claim 4, wherein: the first toothed block (17) and the second toothed block (21) are provided with a plurality of dehumidifiers (11), and the dehumidifiers (11) are arranged close to the air outlets (10).
6. The cement specific surface area measuring instrument according to claim 3, characterized in that: a first pulling plate (16) is arranged between the first exhaust hole (14) and the second exhaust hole (18), the lower part of the interior of the shell (13) is communicated with the upper part of the interior of the shell (13), and a second pulling plate (19) is arranged between the second exhaust hole (18) and the lower part of the interior of the shell (13); and a fan (12) is arranged at the upper left side in the shell (13).
7. The cement specific surface area measuring instrument according to claim 6, wherein: and heating rods (15) are arranged on the left side of the first pulling plate (16), on the right side of the second pulling plate (19) and between the first pulling plate (16) and the second pulling plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120779059.0U CN214844669U (en) | 2021-04-15 | 2021-04-15 | Cement specific surface area tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120779059.0U CN214844669U (en) | 2021-04-15 | 2021-04-15 | Cement specific surface area tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214844669U true CN214844669U (en) | 2021-11-23 |
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ID=78764461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120779059.0U Active CN214844669U (en) | 2021-04-15 | 2021-04-15 | Cement specific surface area tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214844669U (en) |
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2021
- 2021-04-15 CN CN202120779059.0U patent/CN214844669U/en active Active
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