CN220507748U - Solid waste melting furnace burden layer thickness measuring device - Google Patents
Solid waste melting furnace burden layer thickness measuring device Download PDFInfo
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- CN220507748U CN220507748U CN202322151237.7U CN202322151237U CN220507748U CN 220507748 U CN220507748 U CN 220507748U CN 202322151237 U CN202322151237 U CN 202322151237U CN 220507748 U CN220507748 U CN 220507748U
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- melting furnace
- probe rod
- conductive probe
- solid waste
- measuring device
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- 238000002844 melting Methods 0.000 title claims abstract description 41
- 230000008018 melting Effects 0.000 title claims abstract description 41
- 239000002910 solid waste Substances 0.000 title claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 37
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 4
- 239000002002 slurry Substances 0.000 abstract description 18
- 239000011343 solid material Substances 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a thickness measuring device for a solid waste melting furnace burden, which relates to the technical field of measuring devices and comprises a conductive probe rod, a lifting mechanism, an air pressure sensor and a voltage detector, wherein the lifting mechanism is connected with a hollow conductive probe rod, the top of the conductive probe rod is provided with the air pressure sensor and is electrically connected with the voltage detector, the conductive probe rod and the lifting mechanism are vertically arranged at the top of the solid waste melting furnace, and the conductive probe rod penetrates through a detection port of the solid waste melting furnace and can vertically move to the bottom of the solid waste melting furnace. According to the utility model, the lifting mechanism is utilized to drive the conductive probe rod to vertically move in the furnace chamber of the solid waste melting furnace, the specific position reached by the probe rod is judged by detecting the air pressure change and the voltage change, and the thickness of the molten slurry and the thickness of the solid material layer in the furnace are obtained by data difference, so that the operation is simple and convenient, and the safety and the efficiency are higher.
Description
Technical Field
The utility model relates to the technical field of measuring devices, in particular to a device for measuring the thickness of a solid waste melting furnace burden.
Background
In normal production, the lower part of the solid waste melting furnace is liquid molten slurry, and the upper part of the solid waste melting furnace is solid material, and the temperature in the furnace is generally thousands of DEG C, so that the height of the molten slurry surface is difficult to judge by conventional means. Because a closed furnace type is generally adopted, the view field for viewing the material layer in the furnace through the observation mirror is limited, and the height of the solid material layer is difficult to accurately judge. In order to obtain the thickness value of the molten slurry layer in the actual operation process, steel bars are usually inserted into the furnace from the furnace top and pulled out, and the thickness of the molten slurry layer is judged through molten slurry marks on the steel bars, so that the mode is low in efficiency and unsafe. Therefore, a device capable of conveniently and accurately measuring the thickness of molten slurry and the thickness of a solid material layer in a furnace is needed to solve the problems in the prior art.
Disclosure of Invention
The utility model aims to provide a solid waste melting furnace material layer thickness measuring device, which solves the problems in the prior art, and enables a probe rod to judge the reached position by detecting air pressure and voltage, so as to obtain the thickness of molten slurry and the thickness of a solid material layer in a furnace, thereby being safer and more efficient.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a solid waste melting furnace material layer thickness measuring device which comprises a conductive probe rod, a lifting mechanism, an air pressure sensor and a voltage detector, wherein the lifting mechanism is connected with the hollow conductive probe rod, the air pressure sensor is arranged at the top of the conductive probe rod and is electrically connected with the voltage detector, the conductive probe rod and the lifting mechanism are vertically arranged at the top of a solid waste melting furnace, and the conductive probe rod penetrates through a detection port of the solid waste melting furnace and can vertically move to the bottom of the solid waste melting furnace.
Preferably, the lifting mechanism is connected with a displacement sensor, and the displacement sensor is used for detecting the displacement of the lifting mechanism.
Preferably, the displacement sensor comprises a pull rope type displacement sensor, the lifting mechanism and the displacement sensor are electrically connected with the control unit, and the displacement of the lifting mechanism is at least 1m.
Preferably, the lifting mechanism comprises a ball screw mechanism, an air cylinder, a hydraulic cylinder, an electric push rod, a gear rack mechanism and a belt transmission mechanism.
Preferably, the upper end of the conductive probe rod is also communicated with a back blowing mechanism, the back blowing mechanism comprises a pulse valve, a pressure regulating valve and a compressed air source, the compressed air source is communicated with the conductive probe rod through a pipeline, and the pulse valve and the pressure regulating valve are arranged on the pipeline.
Preferably, the pulse valve and the pressure regulating valve are both solenoid valves and are electrically connected with the control unit.
Preferably, the upper end of the conductive probe rod is fixedly connected with the connecting plate of the lifting mechanism through an insulating flange, and the detecting port is also provided with an insulating flange.
Preferably, the insulating flange is made of ceramic.
Preferably, the conductive probe rod is made of heat-resistant steel, graphite and silicon carbide.
Preferably, scale marks are arranged on the conductive probe rod, and the length of the conductive probe rod is at least 1m.
Compared with the prior art, the utility model has the following technical effects:
the utility model utilizes the lifting mechanism to drive the conductive probe rod to vertically move in the furnace chamber, judges the specific position reached by the probe rod by detecting the change of air pressure and voltage, and further obtains the thickness of molten slurry and the thickness of solid material layer in the furnace by data difference, thereby having simple and convenient operation, safety and high efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for measuring the thickness of a solid waste melting furnace material layer in an embodiment of the utility model;
FIG. 2 is a schematic diagram of an installation structure of a device for measuring the thickness of a solid waste molten burden layer in an embodiment of the utility model;
wherein: the device comprises a 1-conductive probe rod, a 2-lifting mechanism, a 3-air pressure sensor, a 4-voltage detector, a 5-displacement sensor, a 6-pulse valve, a 7-pressure regulating valve, an 8-insulating flange, a 9-detection port and a 10-solid waste melting furnace material layer thickness measuring device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to fall within the scope of the utility model.
The utility model aims to provide a solid waste melting furnace material layer thickness measuring device, which solves the problems in the prior art, and enables a probe rod to judge the reached position by detecting air pressure and voltage, so as to obtain the thickness of molten slurry and the thickness of a solid material layer in a furnace, thereby being safer and more efficient.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 2: the embodiment provides a solid waste melting furnace burden layer thickness measuring device 10, including conductive probe rod 1, elevating system 2, air pressure sensor 3 and voltage detector 4, be connected with hollow conductive probe rod 1 on the elevating system 2, conductive probe rod 1's top is provided with air pressure sensor 3 and is connected with voltage detector 4 electricity, and conductive probe rod 1 and elevating system 2 are all vertical to be set up in solid waste melting furnace's top, and conductive probe rod 1 runs through solid waste melting furnace's detection mouth 9 and can vertically remove to solid waste melting furnace's stove bottom.
As a preferred solution, in this embodiment, the lifting mechanism 2 is connected with a displacement sensor 5, and the displacement sensor 5 is used for detecting the displacement of the lifting mechanism 2. The displacement sensor 5 comprises a pull rope type displacement sensor, the lifting mechanism 2 and the displacement sensor 5 are electrically connected with the control unit, and data signals are transmitted to the control unit for storage and calculation. The displacement of the lifting mechanism 2 is at least 1m, so that enough length can be ensured to touch the furnace bottom. The lifting mechanism 2 may include a ball screw mechanism, an air cylinder, a hydraulic cylinder, an electric push rod, a gear rack mechanism and a belt transmission mechanism, but is not limited thereto, and the lifting mechanism can drive the conductive probe rod 1 to lift, and the conductive probe rod 1 is connected to a lifting component therein and driven to lift by the lifting component. When the displacement sensor 5 is a pull rope type displacement sensor, the base of the pull rope type displacement sensor is fixed on a fixed part of the lifting mechanism 2, and the pull rope is fixed on the lifting part of the lifting mechanism 2; a laser displacement sensor may be selected as long as displacement measurement of the lifting member is achieved.
As an optimal scheme, the upper end of the conductive probe rod 1 in the embodiment is also communicated with a back blowing mechanism, the back blowing mechanism comprises a pulse valve 6, a pressure regulating valve 7 and a compressed air source, the compressed air source is communicated with the conductive probe rod 1 through a pipeline, and the pulse valve 6 and the pressure regulating valve 7 are arranged on the pipeline. The pulse valve 6 and the pressure regulating valve 7 are preferably solenoid valves and are electrically connected to a control unit. The compressed air source can be a gas tank or an air source communicated with an air pipeline, and is generally regulated to 0.5Mpa-0.7Mpa, and after each measurement is completed, a back blowing mechanism can be used for back blowing compressed air inside the conductive probe rod 1, so that the influence on the subsequent use and measurement accuracy caused by the blocking of the port of the conductive probe rod 1 is avoided.
As a preferred scheme, in this embodiment, the upper end of the conductive probe rod 1 is fixedly connected with the connecting plate of the lifting mechanism 2 through an insulating flange 8, and the detecting port 9 is also provided with an insulating flange 8. Wherein, the material of insulating flange 8 includes pottery, and insulating flange 8 is for keeping apart electrically conductive probe rod 1 and furnace body shell, avoids liquid melt thick liquid and furnace body shell intercommunication to cause electric leakage and detection interference, and another is for keeping apart electrically conductive probe rod 1 and elevating system 2, avoids liquid melt thick liquid and elevating system 2 intercommunication to cause electric leakage and detection interference. The conductive probe rod 1 is made of heat-resistant steel, graphite and silicon carbide, preferably high-temperature-resistant conductive materials, and the hollow structure inside the conductive probe rod is used for communicating the inside of the furnace with the air pressure sensor 3 for air pressure detection.
As a preferred scheme, in the simple structure without using the displacement sensor 5 in this embodiment, scale marks are arranged on the conductive probe rod 1, and the length of the conductive probe rod 1 is at least 1m, in this embodiment, the length is 1.2m-1.5m. The thickness of the molten slurry and the thickness of the solid material layer in the furnace can be calculated by directly reading the scale marks on the conductive probe rod 1 and reading the displacement of the conductive probe rod 1.
The specific working process and measurement principle of the solid waste melting furnace burden layer thickness measuring device 10 in this embodiment are as follows:
when the solid waste melting furnace is in normal production, the lower part in the furnace is liquid melting slurry, the upper part of the furnace is solid material, electrode fluxing heating is adopted for bottom melting slurry, so that the liquid melting slurry has certain voltage, the air pressure sensor 3 is communicated with air pressure in the furnace to sense air pressure change, and the voltage detector 4 is connected with the conductive probe rod 1 through a conductive connecting piece to realize conductivity and sensing voltage change. The pressure in the melting furnace is negative under normal working conditions, and the pressure difference exists between the pressure in the solid material layer and the pressure in the upper layer of the furnace due to certain tightness. The conductive probe rod 1 is inserted from the furnace top detection port 9, and the position reached by the probe rod can be judged to be a solid material layer or a liquid slurry layer by detecting air pressure and voltage, so that the data of the displacement sensor 5 are recorded at corresponding air pressure and voltage change nodes, and the thickness of the slurry in the furnace and the thickness of the solid material layer are obtained through calculation. The specific calculation process is as follows: when the conductive probe rod 1 is at the highest position during primary measurement, the displacement sensor 5 is calibrated to be at the zero position, when the conductive probe rod touches the furnace bottom, the displacement sensor 5 is calibrated to be at the lowest position, and the distance between the zero position and the lowest position is measured by the displacement sensor 5 and recorded as H; the conductive probe rod 1 starts to move downwards from the zero position, when the air pressure sensor 3 detects the air pressure change, the solid material layer is reached, and the displacement sensor 5 detects and records displacement data as d1; the conductive probe rod 1 continues to move downwards, when the voltage detector 4 detects the voltage, the liquid slurry layer is reached, and the displacement sensor 5 detects and records displacement data as d2; the conductive probe rod 1 returns to the original point (zero position), and a back blowing mechanism is started to perform back blowing. The thickness d1=d2-D1 of the solid material layer and the thickness d2=h-D2 of the liquid slurry layer can be obtained by simple calculation of the program of the control unit.
The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. The utility model provides a solid useless melting furnace bed of material thickness measuring device which characterized in that: including electrically conductive probe rod, elevating system, air pressure sensor and voltage detector, be connected with the cavity on the elevating system electrically conductive probe rod, electrically conductive probe rod's top be provided with air pressure sensor and with the voltage detector electricity is connected, electrically conductive probe rod with elevating system all vertically set up in the top of solid useless melting furnace, electrically conductive probe rod runs through the detection mouth of solid useless melting furnace and can vertically remove to the stove bottom of solid useless melting furnace.
2. The solid waste melting furnace bed thickness measuring device according to claim 1, wherein: the lifting mechanism is connected with a displacement sensor, and the displacement sensor is used for detecting the displacement of the lifting mechanism.
3. The solid waste melting furnace bed thickness measuring device according to claim 2, wherein: the displacement sensor comprises a pull rope type displacement sensor, the lifting mechanism and the displacement sensor are electrically connected with the control unit, and the displacement of the lifting mechanism is at least 1m.
4. The solid waste melting furnace bed thickness measuring device according to claim 1, wherein: the lifting mechanism comprises a ball screw mechanism, an air cylinder, a hydraulic cylinder, an electric push rod, a gear rack mechanism and a belt transmission mechanism.
5. The solid waste melting furnace bed thickness measuring device according to claim 1, wherein: the upper end of the conductive probe rod is also communicated with a back blowing mechanism, the back blowing mechanism comprises a pulse valve, a pressure regulating valve and a compressed air source, the compressed air source is communicated with the conductive probe rod through a pipeline, and the pulse valve and the pressure regulating valve are arranged on the pipeline.
6. The solid waste melting furnace bed thickness measuring device according to claim 5, wherein: the pulse valve and the pressure regulating valve are electromagnetic valves and are electrically connected with the control unit.
7. The solid waste melting furnace bed thickness measuring device according to claim 1, wherein: the upper end of the conductive probe rod is fixedly connected with the connecting plate of the lifting mechanism through an insulating flange, and the detecting port is also provided with an insulating flange.
8. The solid waste melting furnace bed thickness measuring device according to claim 7, wherein: the insulating flange is made of ceramics.
9. The solid waste melting furnace bed thickness measuring device according to claim 1, wherein: the conductive probe rod is made of heat-resistant steel, graphite and silicon carbide.
10. The solid waste melting furnace bed thickness measuring device according to claim 1, wherein: the conductive probe rod is provided with scale marks, and the length of the conductive probe rod is at least 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322151237.7U CN220507748U (en) | 2023-08-10 | 2023-08-10 | Solid waste melting furnace burden layer thickness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322151237.7U CN220507748U (en) | 2023-08-10 | 2023-08-10 | Solid waste melting furnace burden layer thickness measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507748U true CN220507748U (en) | 2024-02-20 |
Family
ID=89882808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322151237.7U Active CN220507748U (en) | 2023-08-10 | 2023-08-10 | Solid waste melting furnace burden layer thickness measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220507748U (en) |
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2023
- 2023-08-10 CN CN202322151237.7U patent/CN220507748U/en active Active
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