CN109613217B - Calcium oxide detection device in baked brick - Google Patents
Calcium oxide detection device in baked brick Download PDFInfo
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- CN109613217B CN109613217B CN201811468251.7A CN201811468251A CN109613217B CN 109613217 B CN109613217 B CN 109613217B CN 201811468251 A CN201811468251 A CN 201811468251A CN 109613217 B CN109613217 B CN 109613217B
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- water pipe
- calcium oxide
- box
- box body
- shell
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- 239000011449 brick Substances 0.000 title claims abstract description 78
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000000292 calcium oxide Substances 0.000 title claims abstract description 45
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 210000000056 organ Anatomy 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 239000011476 clinker brick Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 2
- 235000012255 calcium oxide Nutrition 0.000 description 36
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 230000009172 bursting Effects 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to the technical field of building material detection, and discloses a device for detecting calcium oxide in a baked brick, which comprises a box body filled with water, wherein a fixed part and a shell are arranged in the box body; the bottom intercommunication of box has the water pipe of U-shaped, and the free end of water pipe is opened, and one side of water pipe is equipped with the scale section, and the zero point and the surface of water marking of scale section flush mutually, and the top that the water pipe is located the scale section is equipped with pressure sensor, bee calling organ and controller. The invention carries out qualitative and quantitative detection on the content of calcium oxide in the baked brick, and sets corresponding protective measures, thereby improving the safety performance of the whole structure.
Description
Technical Field
The invention relates to the technical field of building material detection, in particular to a device for detecting calcium oxide in a sintered brick.
Background
The 'limestone burst' is a phenomenon that the product is damaged due to volume expansion caused by the fact that quicklime (CaO) in a sintered brick body is moistened and hydrated, and a phenomenon that quality accidents are caused due to the fact that calcium oxide in the sintered brick exceeds the standard sometimes occurs, and at present, no equipment for rapidly detecting whether the calcium oxide in a finished product exceeds the standard exists domestically.
Chinese patent publication No. CN202267679U discloses a calcium oxide detection device in baked brick, including open-top's high pressure resistant container, the inside electric heater that is equipped with in high pressure resistant container bottom surface, high pressure resistant container lateral part is equipped with the plug that passes through the wire with electric heater and be connected, and the airtight lock in high pressure resistant container top has high pressure resistant lid, is equipped with the supporter in the high pressure resistant container, is equipped with the bleeder vent on the supporter. And a safety valve is arranged on the high-pressure-resistant cover body. The utility model relates to a novelty, simple structure, easily operation, whether the calcium oxide through detecting the finished goods of burning exceeds standard has improved the qualification rate of baked brick to avoided the baked brick manufacturing enterprise because of the calcium oxide exceeds standard "lime stone that causes bursts" accident, improved manufacturing enterprise's economic benefits and good social. However, the above-described scheme has the following problems: 1. according to the scheme, moisture is permeated into the sintered brick in a steam mode, and the change condition of the sintered brick is observed, so that whether the content of calcium oxide in the sintered brick exceeds the standard or not is qualitatively detected, but the content of calcium oxide in the sintered brick is not quantitatively detected; 2. according to the scheme, whether the sintered brick cracks, delaminates or falls off is observed, so that whether the content of calcium oxide in the sintered brick exceeds the standard is judged, corresponding protection measures are not set, and the risk coefficient is high.
Disclosure of Invention
The invention aims to provide a device for detecting calcium oxide in a sintered brick, which can be used for qualitatively and quantitatively detecting the content of the calcium oxide in the sintered brick and setting corresponding protective measures to improve the safety performance of the whole structure.
In order to achieve the purpose, the invention adopts the following technical scheme: the device for detecting calcium oxide in the sintered brick comprises a box body filled with water, wherein the top of the box body is provided with an opening, the bottom of the box body is provided with a liquid discharge pipe and a water discharge cover, the top of the box body is detachably connected with a box cover, a fixing part and a shell are arranged in the box body, the shell is connected with the inner wall of the box body through the fixing part, one side of the box body is provided with a water surface mark line, the shell is positioned below the water surface mark line, the upper side of the shell is detachably connected with the cover, the shell and the cover are respectively provided with a plurality of first through holes, the lower end surface of the cover is hinged with a reinforcing plate which is obliquely arranged, the upper end surface of the reinforcing plate is connected with the shell through a first spring, the reinforcing plate is provided with a plurality of second through holes, the first through holes and the second through holes in the cover are arranged in a staggered manner, one side of the bottom of the shell; the bottom intercommunication of box has the water pipe of U-shaped, and one side that the water pipe is close to the bottom half is equipped with the filter core, and the free end of water pipe is opened, and one side of water pipe is equipped with the scale section, and the zero point and the surface of water marking of scale section flush mutually, and the top that the water pipe is located the scale section is equipped with pressure sensor, bee calling organ and controller, and pressure sensor is located the water pipe, and bee calling organ and controller are located the water pipe outside, and pressure sensor, bee calling organ and controller electricity are connected.
Has the advantages that:
1. according to the invention, the shell for placing the baked bricks is arranged below the water surface, the baked bricks are fully contacted with water, the water rapidly permeates into the baked bricks, the water is fully contacted with calcium oxide in the baked bricks and carries out chemical reaction, and the detection result of the components of the calcium oxide in the baked bricks is more accurate.
2. According to the invention, the water pipe is arranged, the initial state is that the liquid level of the water pipe is positioned at the zero point of the scale section, the liquid level of the box body is positioned at the water level marking position, the liquid level position of the water pipe is flush with the liquid level position of the box body, and the water pipe and the box body form a communicating vessel. When the sintered brick is placed in the shell, calcium oxide in the sintered brick reacts with water to release a large amount of heat, the temperature in the box rises, the pressure of air in the box becomes large, the pressure on one side of the box is greater than the pressure in the water pipe, the liquid level in the water pipe rises, people can read the scale value on the scale section, the rise distance difference of the liquid level is quickly read out, the pressure difference is calculated according to the rise distance difference, the temperature difference in the box is deduced according to the pressure difference, the heat released in the reaction process is calculated according to the relation between the temperature difference and the heat, and finally the content of the calcium oxide is deduced. When the moisture is in contact with the pressure sensor, the pressure sensor sends a signal to the controller, the controller sends a command to the buzzer, and the buzzer sends an alarm signal. Through this kind of detection mode, the content of calcium oxide in the detection baked brick that can be quick, accurate to the baked brick that calcium oxide exceeds standard, can report to the police automatically, need not artificial long-time observation, this kind of detection mode, convenient operation, and it is more accurate to detect data, carries out qualitative and quantitative detection to the calcium oxide content in the baked brick.
3. According to the invention, the first magnet and the second magnet are arranged, the magnetism of the first magnet is opposite to that of the second magnet, and the first magnet and the second magnet attract each other, so that when calcium oxide in the baked brick exceeds the standard and bursts, the relative resistance of the cover on the shell is larger, and the cover is of a first-layer protection structure, so that the situation that the baked brick directly bursts and bursts to damage the cover and further splashes to the outside to hurt workers is avoided. Meanwhile, the baked bricks are located below the water surface, the water per se belongs to a second-layer protection structure, the water plays a role in blocking and buffering the burst of the baked bricks, and the destruction degree of the burst of the baked bricks is greatly reduced.
4. According to the invention, the reinforcing plate is arranged, when the content of calcium oxide in the sintered brick exceeds the standard, the bursting condition is likely to occur, the reinforcing plate can be subjected to the upward impact force of brick slag of the sintered brick, the reinforcing plate rotates along a hinged point under the impact force, the first spring is compressed and deformed, the reinforcing plate and the cover are mutually attached, and the first through holes and the second through holes are arranged in a staggered manner, so that the reinforcing plate and the cover form a non-porous structure, most of the brick slag of the sintered brick cannot splash to the outside, and meanwhile, the reinforcing plate and the cover are mutually combined to form a reinforced protection structure, so that the bursting impact force of the sintered brick can be well blocked, and the safety of the device.
Further, the inner wall of box is equipped with the deflector that two slopes set up downwards, and two deflectors set up along the axis symmetry of box, are equipped with first passageway between two deflectors. Through setting up the deflector, can establish protective structure to the box on the basis of the lid of casing, block and cushion the baked brick that bursts, avoid the disintegrating slag of too much baked brick to spatter in disorder, the security performance is better.
Further, the bottom of the shell is provided with a groove, and the groove is circumferentially and fixedly connected with a rubber layer. Place the baked brick in the recess when beginning, the baked brick passes through rubber layer interference fit with the recess, and the baked brick can not remove along with rivers, and the baked brick can not shelter from first magnet like this to the baked brick can not laminate at the lateral wall of casing, moisture can fully react with the baked brick. When calcium oxide in the baked brick reacts with moisture, a large amount of heat is released, the rubber layer in contact with the baked brick is heated and partially melted, and the rubber layer hot-melted part is bonded with the baked brick along with the reduction of the heat, so that the baked brick is fixed, and the destructiveness of the baked brick during bursting is greatly reduced.
Further, the fixed part includes horizon bar and L shape pole, and the casing both sides are passed through the horizon bar and are connected with the inner wall of box, and the lower terminal surface of casing passes through the inner wall connection of L shape pole with the box, through setting up two kinds of structures, and is more firm to the support of casing.
Further, the below of casing is equipped with the filter, and the filter slope sets up downwards, has seted up a plurality of third through-holes on the filter, and the box is located the low side department of filter and has seted up the waste residue mouth, and the box is located the below fixedly connected with waste residue case of waste residue mouth, and waste residue mouth department can dismantle and be connected with the waste residue lid. Calcium hydroxide is formed due to the chemical reaction between calcium oxide and water, and is slightly soluble in water, and most of the calcium hydroxide forms precipitates which are concentrated at the lower end of the filter plate under the guiding action of the filter plate. After the detection process is finished, the waste residue cover is opened, and then the calcium hydroxide can be collected to avoid blocking the water pipe.
Furthermore, the free end of the water pipe is provided with a baffle plate, the baffle plate is inclined upwards, so that external impurities are prevented from falling into the water pipe, and the liquid level in the water pipe is ensured to rise smoothly.
Drawings
FIG. 1 is a front view of an embodiment of a device for detecting calcium oxide in a clinker brick of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a box body 1, a box cover 2, a pressure valve 3, a liquid discharge pipe 4, a water discharge cover 5, a shell 6, a horizontal rod 7, an L-shaped rod 8, a guide plate 9, a water surface mark line 10, a first through hole 11, a cover 12, a reinforcing plate 13, a first spring 14, a groove 15, a rubber layer 16, a first magnet 17, a second magnet 18, a water pipe 19, a filter element 20, a baffle plate 21, a scale section 22, a pressure sensor 23, a buzzer 24, a controller 25, a filter plate 26, a waste residue box 27 and a waste residue cover 28.
Examples are shown in fig. 1 and 2: calcium oxide detection device in baked brick, including the box 1 that is equipped with water, the open-top of box 1, the top threaded connection of box 1 has case lid 2, be provided with pressure valve 3 on the case lid 2, the bottom bolted connection of box 1 has fluid-discharge tube 4, the tip threaded connection of fluid-discharge tube 4 has drainage lid 5, the inside of box 1 is equipped with fixed part and casing 6, the fixed part includes horizon bar 7 and L shape pole 8, the inner wall welding of horizon bar 7 and box 1 is passed through to the both sides of casing 6, the lower terminal surface of casing 6 passes through the inner wall welding of L shape pole 8 and box 1. Two guide plates 9 are welded on the inner wall of the box body 1, the guide plates 9 are obliquely and downwards arranged, the two guide plates 9 are symmetrically arranged along the central axis of the box body 1, a first channel is arranged between the two guide plates 9, and the first channel corresponds to the upper end face of the shell 6.
The right side of box 1 is equipped with surface of water marking 10, and casing 6 is located surface of water marking 10 below, and the upside threaded connection of casing 6 has lid 12, has all seted up a plurality of first through-holes 11 on casing 6 and the lid 12. The lower terminal surface of lid 12 articulates there is gusset plate 13, and gusset plate 13 slope sets up, and the up end of gusset plate 13 is connected with casing 6 through first spring 14, has seted up a plurality of second through-holes on the gusset plate 13, and first through-hole 11 on the lid 12 sets up with the second through-hole is crisscross, and casing 6 bottom is equipped with recess 15, and recess 15 circumference bonds there is rubber layer 16. A first magnet 17 is bonded to the right side of the bottom of the case 6, a second magnet 18 corresponding to the first magnet 17 is bonded to the lower end surface of the lid 12, the first magnet 17 and the second magnet 18 are arranged to face each other, and the magnetic poles of the first magnet 17 and the second magnet 18 are opposite to each other. The bottom intercommunication of box 1 has the water pipe 19 of U-shaped, and filter core 20 is installed to the left end of water pipe 19, and the free end of water pipe 19 opens, and the free end welding of water pipe 19 has shielding plate 21, and shielding plate 21 slope upwards sets up, and the right side of water pipe 19 is equipped with scale section 22, and the zero point of scale section 22 flushes with surface of water mark 10 mutually. A pressure sensor 23, a buzzer 24 and a controller 25 are arranged above the scale section 22 of the water pipe 19, the pressure sensor 23 is positioned in the water pipe 19, the buzzer 24 and the controller 25 are positioned on the outer side of the water pipe 19, and the pressure sensor 23, the buzzer 24 and the controller 25 are electrically connected.
The welding of the below of casing 6 has filter 26, and filter 26 slope sets up downwards, has seted up a plurality of third through holes on the filter 26, and the waste residue mouth has been seted up in the left side of box 1, and the waste residue mouth is located the left end department of filter 26, and the welding of the below that box 1 is located the waste residue mouth has waste residue case 27, and waste residue mouth department threaded connection has waste residue lid 28.
The specific implementation process is as follows: firstly, the box cover 2 and the cover 12 are opened, the sintered brick is manually placed in the shell 6 by adopting a clamp, the sintered brick is placed in the groove 15, and the sintered brick is in interference fit with the groove 15 through the rubber layer 16. Then, the lid 2 and the lid 12 are closed, the second magnet 18 and the first magnet 17 on the lid 12 attract each other, and the lid 12 receives a downward attraction force. With the contact of the baked brick and water, water gradually infiltrates into the baked brick to perform chemical reaction with calcium oxide, according to the chemical formula CaO + H2O- > Ca (OH)2+ heat, a large amount of heat is released in the chemical reaction process, and according to the relation between the heat and the temperature difference: q ═ cm Δ t, c is the specific heat capacity, m is the mass, Δ t is the temperature difference, according to the relationship between the temperature difference and the pressure difference: Δ PV ═ nR Δ T, according to the relationship between liquid pressure and water column height: Δ P is ρ g Δ h. Through the above four relational expressions, the content of calcium oxide in the baked brick can be calculated by observing the height difference of the rise in the water pipe 19, and by this means, the content of calcium oxide in the baked brick can be quantitatively detected.
Meanwhile, along with the continuous rising of the liquid level in the water pipe 19, until the liquid level contacts with the pressure controller 25, the pressure sensor 23 can send a signal to the controller 25, the controller 25 sends a command to the buzzer 24, the buzzer 24 sounds an alarm to remind a worker that the content of calcium oxide in the sintered brick exceeds the standard, the change condition of the sintered brick does not need to be observed beside the device all the time by people, and the operation is convenient.
The content of calcium oxide in part of the baked bricks exceeds the standard, and the baked bricks can crack, delaminate or fall off. Once the brick is cracked, the brick slag of the brick gives the cover 12 and the reinforcing plate 13 an upward impact force, and since the first magnet 17 and the second magnet 18 are attracted to each other, the impact force and the attraction force applied to the cover 12 are balanced with each other, increasing the difficulty of the cover 12 being opened. Simultaneously, gusset plate 13 moves to lid 12 direction along the pin joint under the impact force effect of brick sediment, and first spring 14 compression deformation, the crisscross setting of second through-hole on the gusset plate 13 and the first through-hole 11 on the lid 12, lid 12 and gusset plate 13 form sclausura strenghthened type protective structure, can effectively block the impact force of brick sediment in the baked brick, and avoid a large amount of brick sediment to splash outside casing 6, greatly reduced the destructiveness that the baked brick bursts. Wherein part of the brick slag will be scattered to the outside along with the first through hole 11 and the brick slag will substantially fall back into the water again under the double barrier of the water and the guide plate 9.
After the detection of the content of calcium oxide in the baked brick is finished, the drainage cover 5 is opened, water in the box body 1 is drained along the drain pipe 194, then the waste residue cover 28 is opened, and calcium hydroxide precipitate formed by the reaction of calcium oxide and water enters the waste residue box 27 along the filter plate 26.
Claims (6)
1. The device for detecting calcium oxide in the sintered bricks comprises a box body filled with water, wherein the top of the box body is open, a liquid discharge pipe and a drainage cover are arranged at the bottom of the box body, the top of the box body is detachably connected with a box cover, and the device is characterized in that a fixing part and a shell are arranged in the box body, the shell is connected with the inner wall of the box body through the fixing part, a water surface mark line is arranged on one side of the box body, the shell is positioned below the water surface mark line, the upper side of the shell is detachably connected with the cover, a plurality of first through holes are formed in the shell and the cover, a reinforcing plate is hinged to the lower end face of the cover and obliquely arranged, the upper end face of the reinforcing plate is connected with the cover through a first spring, a plurality of second through holes are formed in the reinforcing plate, the first through holes in the cover and the second through holes in the reinforcing plate are arranged in a staggered, the magnetism of the relative magnetic poles of the first magnet and the second magnet is opposite; the bottom intercommunication of box has the water pipe of U-shaped, and one side that the water pipe is close to the bottom half is equipped with the filter core, and the free end of water pipe is opened, and one side of water pipe is equipped with the scale section, and the zero point and the surface of water marking of scale section flush mutually, and the top that the water pipe is located the scale section is equipped with pressure sensor, bee calling organ and controller, and pressure sensor is located the water pipe, and bee calling organ and controller are located the water pipe outside, and pressure sensor, bee calling organ and controller electricity are connected.
2. The apparatus for detecting calcium oxide in a clinker brick according to claim 1, wherein: the inner wall of box is equipped with the deflector that two slopes set up downwards, and two deflectors set up along the axis symmetry of box, are equipped with first passageway between two deflectors.
3. The apparatus for detecting calcium oxide in a clinker brick of claim 2, wherein: the bottom of the shell is provided with a groove, and the groove is circumferentially and fixedly connected with a rubber layer.
4. The apparatus for detecting calcium oxide in a clinker brick of claim 3, wherein: the fixing part comprises a horizontal rod and an L-shaped rod, the two sides of the shell are connected with the inner wall of the box body through the horizontal rod, and the lower end face of the shell is connected with the inner wall of the box body through the L-shaped rod.
5. The apparatus for detecting calcium oxide in a clinker brick according to claim 4, wherein: the below of casing is equipped with the filter, and the filter slope sets up downwards, has seted up a plurality of third through-holes on the filter, and the box is located the low side department of filter and has seted up the waste residue mouth, and the box is located the below fixedly connected with waste residue case of waste residue mouth, and waste residue mouth department can dismantle and be connected with the waste residue lid.
6. The device for detecting calcium oxide in a baked brick according to any one of claims 1 to 5, wherein: the free end of the water pipe is provided with a baffle plate, and the baffle plate is obliquely and upwards arranged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811468251.7A CN109613217B (en) | 2018-12-03 | 2018-12-03 | Calcium oxide detection device in baked brick |
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| CN201811468251.7A CN109613217B (en) | 2018-12-03 | 2018-12-03 | Calcium oxide detection device in baked brick |
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| CN109613217A CN109613217A (en) | 2019-04-12 |
| CN109613217B true CN109613217B (en) | 2021-05-07 |
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| CN111024450A (en) * | 2019-12-30 | 2020-04-17 | 北方民族大学 | Collection device is used in heavy metal monitoring of mill |
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