CN218350381U - Molten slurry resistance measuring device - Google Patents
Molten slurry resistance measuring device Download PDFInfo
- Publication number
- CN218350381U CN218350381U CN202221407032.XU CN202221407032U CN218350381U CN 218350381 U CN218350381 U CN 218350381U CN 202221407032 U CN202221407032 U CN 202221407032U CN 218350381 U CN218350381 U CN 218350381U
- Authority
- CN
- China
- Prior art keywords
- temperature
- resistance measuring
- module
- control module
- temperature control
- 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
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a melt thick liquid resistance measurement device, melt thick liquid resistance measurement device processing unit and storage box. The storage box body is sequentially provided with a material pool and a furnace body from inside to outside, the material pool forms a cavity with the upper end communicated with the material pool, a plurality of electrode plates are inlaid on the inner wall of the furnace body and are attached to the material pool, a heating rod is arranged in the cavity, the processing unit comprises a measuring module and a temperature control module, the measuring module is used for measuring the resistivity value, the heating power of a control circuit of the temperature control module enables the temperature of the storage box body to be kept at a set value, the electrode plates are connected with the measuring module, and the heating rod is connected with the temperature control module. The electrode plate is arranged on the outer wall of the material pool, does not need to contact high-temperature materials, has small loss to the electrode plate, ensures the repeatability of the measuring result and greatly prolongs the service life of the instrument. In addition, the temperature control module and the measurement module are integrally arranged, and electrodes do not need to be plugged in and out in the operation process, so that the measurement error caused by misoperation is avoided.
Description
Technical Field
The utility model relates to a molten slurry resistance measurement field, in particular to molten slurry resistance measurement device.
Background
In the industries of glass manufacturing, solid waste disposal and the like, when a heat source for heating materials in a melting furnace utilizes an electrode to conduct the materials to generate joule heat, the relationship between the resistance value of the materials and the temperature is an important basis for influencing the design of a furnace body structure, the design and the selection of the electrode and the temperature control of the furnace body, and is also one of important parameters for ensuring the stable operation of the melting furnace. In the prior art, the conductivity measurement means generally adopts a resistance measurement method, firstly, a material to be measured is melted, and then an electrode bar or an electrode plate is put into the melted material, so that the electrode bar or the electrode plate is easy to deform when being put into the material, and the electrode bar or the electrode plate is easy to corrode the material.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a molten slurry resistance measuring device.
According to the utility model discloses an embodiment of the first aspect provides a molten slurry resistance measuring device, include: processing unit and storage box. The storage box body has set gradually material pond and furnace body outside to by interior, the material pond forms the cavity that the upper end link up, furnace body inner wall inlays and has a plurality of plate electrodes, the plate electrode laminating the material pond, be provided with the heating rod in the cavity, processing unit includes measuring module and accuse temperature module, measuring module is used for measuring the resistivity value, accuse temperature module control circuit's heating power makes the temperature of storage box body keeps at the setting value, the plate electrode is connecting measuring module, the heating rod is connecting accuse temperature module.
Has the beneficial effects that: this molten slurry resistance measuring device includes: processing unit and storage box. The storage box body is provided with a material pool and a furnace body in sequence from inside to outside, the material pool forms a cavity with a through upper end, a plurality of electrode plates are inlaid on the inner wall of the furnace body, the electrode plates are attached to the material pool, a heating rod is arranged in the cavity, the processing unit comprises a measuring module and a temperature control module, the measuring module is used for measuring the resistivity value, the heating power of a control circuit of the temperature control module enables the temperature of the storage box body to be kept at a set value, the electrode plates are connected with the measuring module, and the heating rod is connected with the temperature control module. The electrode plate is arranged on the outer wall of the material pool, does not need to contact high-temperature materials, has much less loss to the electrode plate, ensures the repeatability of the measuring result and greatly prolongs the service life of the instrument. In addition, the temperature control module and the measurement module are integrally arranged, electrodes do not need to be plugged in and out in the operation process, and measurement errors caused by misoperation are avoided.
According to the utility model discloses a molten bath resistance measurement device of aspect embodiment, measuring module contains excitation power supply, first voltmeter, first ampere meter, first changer, arithmetic unit, excitation power supply produces alternating voltage, first changer converts the analog signal of voltage and electric current into temperature value digital signal, after the arithmetic unit reads excitation frequency, voltage, current value, calculate the conductivity of the material that awaits measuring to the output corresponds the resistivity value under the settlement temperature.
According to the utility model discloses a molten slurry resistance measuring device of an aspect embodiment, excitation mains voltage scope is 0 ~ 20V, the current range of measuring module circuit is 0 ~ 500mA, the frequency range that the excitation power produced the alternating current is 10 ~ 5000MHz.
According to the utility model discloses a molten pulp resistance measurement device of an aspect embodiment, temperature control module contains heating power supply, second voltmeter, second ampere meter, second changer, power controller, the second changer converts the analog signal of voltage and electric current into temperature digital signal, and will temperature digital signal feeds back to power controller, power controller will temperature digital signal contrasts with the temperature value of settlement, adjusts heating power.
According to the utility model discloses a molten slurry resistance measurement device of an aspect embodiment, temperature control module is connected with temperature sensor, the probe contact of temperature sensor one end the outer wall in material pond.
According to the utility model discloses a molten pulp resistance measurement device of aspect embodiment, heating power supply adopts the alternating current, heating power supply's voltage range is 0 ~ 380V, and the electric current scope is 0 ~ 20A.
According to the utility model discloses a molten pulp resistance measurement device of an aspect embodiment, the quantity of plate electrode is two, two distance between the plate electrode is more than or equal to the length and the width of plate electrode.
According to the utility model discloses a molten slurry resistance measurement device of an aspect embodiment, the material pond can be dismantled the setting and be in on the furnace body, the material in material pond adopt chemical porcelain material the material of furnace body adopt high temperature resistant corrosion material the furnace body outside is provided with the heat preservation.
According to the utility model discloses a molten liquid resistance measurement device of aspect embodiment, be provided with the observation hole on the molten liquid resistance measurement device, it is used for observing to observe the melting condition and the liquid level of material in the storage box.
According to the utility model discloses a molten liquid resistance measurement device of aspect embodiment, the material pond is along the perpendicular to the direction of plate electrode can be projected completely on the plate electrode.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a sectional view of the molten slurry resistance measuring device of the present invention;
fig. 2 is the utility model discloses sheath molten bath resistance measurement device plan view.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the directions such as up, down, front, back, left, right, top, bottom, inner, outer, etc. are only the orientation or positional relationship indicated on the drawings for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
For the industries of glass manufacturing, solid waste disposal and the like, when the heat source for heating materials in the melting furnace is joule heat generated by conducting the materials by using electrodes, the relationship between the resistance value of the materials and the temperature is an important basis for influencing the design of the furnace body structure, the design and the selection of the electrodes and the temperature control of the furnace body, and is also one of important process parameters for ensuring the stable operation of the melting furnace. In order to smoothly design and operate the melting furnace, a testing device for the conductivity of the high-temperature molten liquid is developed, and a reliable measuring method is necessary to be established.
The existing high-temperature molten liquid conductivity measurement generally adopts a resistance measurement method, firstly, a material to be measured is melted, then an electrode bar or an electrode plate is placed into the melted liquid, and the voltage and the current at two ends of the electrode are measured, so that the resistance value of a pulp tank is obtained. However, this method is complicated to operate, and the electrode is likely to be deformed when put into the melt and is also likely to be corroded by the liquid to be measured. The utility model provides a following device:
referring to fig. 1 to 2, a molten slurry resistance measuring apparatus includes: a process unit 100 and a magazine 200.
Specifically, the processing unit 100 includes a measurement module and a temperature control module.
It is easy to understand that the measuring module obtains the resistivity value through measurement and operation. The measuring module comprises an excitation power supply, a first voltmeter, a first ammeter, a first transmitter and an arithmetic unit. The excitation power supply generates alternating voltage, the first transmitter converts analog signals of the voltage and the current into temperature value digital signals, and the arithmetic unit calculates the conductivity of the material to be measured after reading measured values of the excitation frequency, the voltage, the current and the like and outputs a resistivity value corresponding to the set temperature.
It is easy to understand that the voltage range of the excitation power supply is 0-20V, the current range of the measuring module circuit is 0-500 mA, and the frequency range of the alternating current generated by the excitation power supply is 10-5000 MHz.
The principle of the transmitter is as follows: the transducer works based on the principle of negative feedback and mainly comprises a measuring part, an amplifier and a feedback part. The measuring part is used for detecting a measured variable x and converting the measured variable x into an input signal Zi which can be received by the amplifier, such as a voltage signal, a current signal, a displacement signal, an acting force signal or a moment signal, and the feedback part is used for converting an output signal y of the transmitter into a feedback signal Zf and returning the feedback signal Zf to the input end.
In a specific embodiment, the material storage tank 200 is sequentially provided with a material pool 210, a furnace body 220 and an insulating layer 250 from inside to outside, the material pool 210, the furnace body 220 and the insulating layer 250 all have a bottom surface, a front side surface, a rear side surface, a left side surface and a right side surface, and the material pool 210 forms a rectangular cavity with a through upper end. Two electrode plates 230 are embedded in the furnace body 220, the electrode plates 230 are attached to the material tank 210, the electrode plates 230 are connected with conducting wires, and the first thermocouple 410 measures the temperature of the electrode plates 230 to prevent the electrode plates 230 from being burnt. The insulation 250 is slotted to allow wires to pass through it, which are routed to the measurement module. Be provided with heating rod 240 in the cavity, material pond 210, furnace body 220 and heat preservation 250 have all been seted up the passageway and have been passed through heating rod 240, and heating rod 240 both ends set up the wiring board, and heating rod 240 end passes through the wiring board and links to each other with the wire, and the wire inserts temperature control module.
Specifically, the material tank 210 is detachably disposed on the furnace body 220, the material of the material tank 210 is high-temperature resistant and corrosion resistant material, such as high-temperature resistant ceramic, and the material tank 210 can be replaced after each use.
In a specific embodiment, the thickness of the material tank 210 is less than or equal to 1mm, the width of the left and right sides of the material tank 210 is less than or equal to the width of the attached electrode plate, and the length of the left and right sides of the material tank 210 is less than or equal to the length of the attached electrode plate, so as to avoid that the resistance value is smaller than the capacitance reactance, the change of the resistance is not easy to detect, and the measurement accuracy is affected.
In one embodiment, the temperature control module is connected to a temperature sensor, and a probe at one end of the temperature sensor contacts the outer wall of the material tank 210. The furnace temperature is measured by a second thermocouple 420.
Further, the temperature control module comprises a heating power supply, a second voltmeter, a second ammeter, a second transmitter and a power controller, wherein the second transmitter converts analog signals of voltage and current into temperature digital signals and feeds the temperature digital signals back to the power controller, and the power controller compares the temperature digital signals with a set temperature value to adjust the heating power so that the temperature of the material storage box body 200 is kept at a set value.
It is easy to understand that the heating power supply adopts alternating current or direct current, the voltage range of the heating power supply is 0-380V, and the current range is 0-20A.
It is easily understood that the apparatus for measuring the resistance of the molten slurry further includes a cooling unit 300, and the wire connected to the electrode plate and the wire connected to the heating rod pass through the cooling unit 300 and enter the processing unit 100.
Specifically, a fan and a temperature controller are provided in the cooling unit 300. The temperature controller adjusts the rotating speed of the fan by detecting the temperature of the wire outlet, so that the temperature of the wire outlet is controlled below 50 ℃. The air cooler can also adopt a well-sealed cooling device of indirect water cooling, oil cooling or other media.
In a specific embodiment, a heat-insulating cover is arranged at one end of the cavity in a penetrating mode, and a layer of lining of the heat-insulating cover is made of high-temperature-resistant and corrosion-resistant materials.
Further, an observation hole 261 is formed in the molten slurry resistance measuring device, the observation hole 261 is used for observing the melting condition and the liquid level height of the materials in the storage box body 200, and a hole cover made of a heat insulation material is arranged on the observation hole.
Specifically, the observation hole 261 is provided with gas purging ports 262, the gas purging ports 262 alternately supply gas and discharge gas, and the gas purging ports 262 can be exchanged for adjusting the furnace atmosphere, such as introducing nitrogen or carbon dioxide, because the melting process is different under the ash oxidation or reduction atmosphere.
In a specific embodiment, the electrode plate 230 is made of platinum, or nitrogen is purged in the wire groove, and when performing the anti-oxidation measure, the electrode plate 230 is made of tungsten, molybdenum, or the like.
Further, the distance between the electrode plates is larger than or equal to the length and the width of the electrode plates, and the larger the distance is, the resistance value is in the order of magnitude of capacitive reactance.
In one embodiment, the furnace body 220 is made of 1700 ℃ refractory and corrosion resistant material, such as refractory ceramic material. The lead wire of the connecting electrode plate 230 can be made of platinum, and when the lead wire groove is purged by filling nitrogen and anti-oxidation measures are taken, the lead wire can be made of tungsten, molybdenum and the like, and the diameter of the lead wire is less than or equal to 10mm.
In a specific embodiment, the heating rod 240 is made of a thermal conductive material resistant to 1700 ℃, and the heating rod 240 is selected from a silicon-carbon rod, a silicon-molybdenum rod, and the like. The heating rods 240 may be laid in a single group, or may be laid in multiple groups in series. The heating rod 240 may be disposed on the bottom corrosion-resistant material layer, or may be disposed on both the bottom and the side corrosion-resistant material layers.
In a specific embodiment, the heat-insulating material is made of high-temperature-resistant, flame-retardant and low-thermal-conductivity materials, so that the heat dissipation capacity is reduced.
In one embodiment, the exterior of the insulation is provided with a shell 270, the junction of which is provided with a seal 280.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A molten slurry resistance measuring apparatus, comprising:
the storage box body is sequentially provided with a material pool and a furnace body from inside to outside, the material pool forms a cavity with a through upper end, a plurality of electrode plates are embedded in the inner wall of the furnace body, the electrode plates are attached to the material pool, and a heating rod is arranged in the cavity;
the processing unit comprises a measuring module and a temperature control module, wherein the measuring module is used for measuring a resistivity value, the heating power of the temperature control module control circuit enables the temperature of the material storage box body to be kept at a set value, the electrode plate is connected with the measuring module, and the heating rod is connected with the temperature control module.
2. The melt slurry resistance measuring apparatus according to claim 1, characterized in that: the measuring module comprises an excitation power supply, a first voltmeter, a first ammeter, a first transmitter and an arithmetic unit, wherein the excitation power supply generates alternating voltage, the first transmitter converts analog signals of voltage and current into temperature value digital signals, and the arithmetic unit calculates the conductivity of the material to be measured after reading excitation frequency, voltage and current values and outputs a resistivity value corresponding to a set temperature.
3. The melt slurry resistance measuring apparatus according to claim 2, characterized in that: the voltage range of the excitation power supply is 0-20V, the current range of the measuring module circuit is 0-500 mA, and the frequency range of alternating current generated by the excitation power supply is 10-5000 MHz.
4. The melt slurry resistance measuring device according to claim 1, characterized in that: the temperature control module contains heating power, second voltmeter, second ampere meter, second changer, power controller, the second changer converts the analog signal of voltage and electric current into temperature digital signal, and will temperature digital signal feeds back to power controller, power controller will temperature digital signal compares with the temperature value of settlement, adjusts heating power.
5. The melt slurry resistance measuring device according to claim 4, characterized in that: the temperature control module is connected with a temperature sensor, and a probe at one end of the temperature sensor is in contact with the outer wall of the material pool.
6. The melt slurry resistance measuring apparatus according to claim 4, wherein: the heating power supply adopts alternating current, the voltage range of the heating power supply is 0-380V, and the current range is 0-20A.
7. The melt slurry resistance measuring device according to claim 1, characterized in that: the number of the electrode plates is two, and the distance between the two electrode plates is larger than or equal to the length and the width of the electrode plates.
8. The melt slurry resistance measuring apparatus according to claim 1, characterized in that: the material pool is detachably arranged on the furnace body, the material pool is made of chemical porcelain materials, the furnace body is made of high-temperature corrosion resistant materials, and a heat insulation layer is arranged on the outer side of the furnace body.
9. The melt slurry resistance measuring apparatus according to claim 1, characterized in that: and an observation hole is formed in the molten slurry resistance measuring device and used for observing the melting condition and the liquid level height of the materials in the storage box body.
10. The melt slurry resistance measuring device according to claim 1, characterized in that: the material tank can be completely projected on the electrode plate along the direction vertical to the electrode plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221407032.XU CN218350381U (en) | 2022-06-07 | 2022-06-07 | Molten slurry resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221407032.XU CN218350381U (en) | 2022-06-07 | 2022-06-07 | Molten slurry resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218350381U true CN218350381U (en) | 2023-01-20 |
Family
ID=84921563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221407032.XU Active CN218350381U (en) | 2022-06-07 | 2022-06-07 | Molten slurry resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218350381U (en) |
-
2022
- 2022-06-07 CN CN202221407032.XU patent/CN218350381U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202512173U (en) | Apparatus for measuring molten salt electrical conductivity by utilizing four-electrode method | |
| GB2084742A (en) | Controlling and monitoring the heat balance in aluminium reduction cells | |
| JP2007187619A5 (en) | ||
| WO2016183672A1 (en) | Method and apparatus for measuring the length of an electrode in an electric arc furnace | |
| CN218350381U (en) | Molten slurry resistance measuring device | |
| CN105258764B (en) | A kind of real-time continuous method for measuring liquid level | |
| CN115128352A (en) | Molten slurry resistance measuring device and using method thereof | |
| TW202411645A (en) | System and method for measuring resistance value of conductor material | |
| US7073404B2 (en) | Method and device for detecting accumulations of solid material | |
| CN203164297U (en) | Apparatus for measuring resistivity of material under erosion state | |
| CN207964945U (en) | A kind of thermal battery electrolyte diaphragm electric conductivity test device | |
| SK7332001A3 (en) | Device for detecting the heat carrier level in reactor (options) | |
| CN204855770U (en) | Concrete resistivity apparatus calibrating device | |
| BR112015000194B1 (en) | inert anode electrolytic cell and method of monitoring an electrolytic cell | |
| CN209979024U (en) | Oil tank liquid level monitoring system | |
| CN114325103A (en) | Carbon material thermal state resistivity nondestructive testing device and method | |
| CN219532998U (en) | Device for measuring conductivity of glass melt at high temperature | |
| CN208254662U (en) | A kind of heating furnace board briquette detection system | |
| CN209707417U (en) | A kind of heating tube electric heating detection device | |
| JP3196688B2 (en) | Corrosion monitoring method and apparatus | |
| CN217484407U (en) | Quick survey device of back petroleum coke physicochemical characteristic of calcining | |
| CN104749445B (en) | Fused salt, slag electrical conductivity detection device and detection method | |
| SU1006987A1 (en) | Cell for measuring melt specific resistance | |
| CN209623879U (en) | A kind of dismountable platinum sensor | |
| US6451186B1 (en) | Immersion sensor for monitoring aluminum electrolytic cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |