CN220206380U - Metallurgical furnace water collecting tank - Google Patents
Metallurgical furnace water collecting tank Download PDFInfo
- Publication number
- CN220206380U CN220206380U CN202320776047.1U CN202320776047U CN220206380U CN 220206380 U CN220206380 U CN 220206380U CN 202320776047 U CN202320776047 U CN 202320776047U CN 220206380 U CN220206380 U CN 220206380U
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- water
- branch pipe
- flowmeter
- control box
- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a metallurgical furnace water collecting tank, which comprises a water collecting device and a control box arranged on the water collecting device, wherein the water collecting device comprises a water supply branch pipe, a water return branch pipe and a water collecting tank connected with the water supply branch pipe and the water return branch pipe, the water supply branch pipe is provided with a first flowmeter and a pneumatic cut-off valve, the pneumatic cut-off valve is used for closing a pipeline of the water supply branch pipe, the water return branch pipe is provided with a second flowmeter and a temperature measurement thermal resistor, the temperature measurement thermal resistor is used for measuring the water temperature of each water return branch pipe, and the control box is connected with control signals of the first flowmeter, the second flowmeter, the temperature measurement thermal resistor and the pneumatic cut-off valve.
Description
Technical Field
The utility model relates to the technical field of metallurgical furnace cooling, in particular to a metallurgical furnace water collecting tank.
Background
In the pyrometallurgy process, the furnace bodies of metallurgical furnace equipment such as flash furnaces, side-blown furnaces, top-blown furnaces, electric furnaces and the like adopt a large number of cooling elements of different types to forcedly cool refractory materials in a three-dimensional way, so that the furnace bodies are protected. The whole cooling system generally comprises a water supply main pipe, a water collecting tank, water supply and return branch pipes, copper water jackets and a water drainage header pipe, and the heat exchange intensity of each copper water jacket can be accurately fed back by on-line monitoring of the temperature and flow of each water return branch pipe on the water collecting tank, so that the working condition of the furnace body refractory materials around the copper water jackets is mastered.
The prior art scheme is that the water collection tank and the detected temperature and flow meters are separately designed and installed, the integration level is low, in engineering design, the water collection tank and the detection meters are respectively designed by different professions, the interfaces are more, the design workload is large, the prior equipment can only detect the temperature and flow signals of cooling water, no safety measures for preventing the cooling water from entering the furnace in a large amount are arranged, and the latest national safety standard requirements are not met.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a metallurgical furnace water collecting tank, which aims to solve the technical problems that in the prior art, the water collecting tank and detected temperature and flow meters are separately designed and installed, the integration level is low, in engineering design, the water collecting tank and the detection meters are respectively designed by different professions, the interfaces are more, the design workload is large, the existing equipment can only detect the temperature and flow signals of cooling water, no safety measures for preventing the cooling water from entering the furnace in a large amount are arranged, and the latest national safety standard requirements are not met.
In order to achieve the above object, the present utility model is achieved by the following technical scheme:
the utility model provides a metallurgical furnace header tank, includes water collecting device and locates control box on the water collecting device, the water collecting device includes water supply branch pipe, return water branch pipe and connects the water supply branch pipe with the header tank of return water branch pipe, be equipped with first flowmeter and pneumatic trip valve on the water supply branch pipe, pneumatic trip valve is used for closing the pipeline of water supply branch pipe, be equipped with second flowmeter and temperature measurement thermal resistor on the return water branch pipe, temperature measurement thermal resistor is used for measuring the temperature of every return water branch pipe, first flowmeter with the second flowmeter is used for measuring the water supply flow and the return water flow of every cooling element respectively, the control box is connected first flowmeter, second flowmeter, temperature measurement thermal resistor and pneumatic trip valve control signal.
Compared with the prior art, the utility model has the beneficial effects that:
through with water collecting device, instrumentation and control box integration integrated design manufacturing, reduced the interface, reduced design work load to increase the emergency cut-off valve that sets up the water supply branch pipe, improved the safety measure, satisfied the national security standard requirement of latest.
Furthermore, the control signals of the first flowmeter and the second flowmeter are connected into the control box through the IO-LINK special communication cable, the control signal of the temperature measurement thermal resistor is connected into the control box through the 3-core shielding control cable, and the control signal of the pneumatic cut-off valve is connected into the control box through the 4-core shielding control cable.
Further, an RTD module connected with the control signal of the temperature measuring thermal resistor, a DI/DO module connected with the control signal of the pneumatic cut-off valve, and an IO-LINK module connected with the control signals of the first flowmeter and the second flowmeter are also arranged in the control box.
Further, a communication gateway is arranged in the control box and is connected with the DCS control system, so that the control signal is sent into the DCS control system in a bus communication mode.
Further, the RTD module, the DI/DO module and the IO-LINK module are all connected with the communication gateway.
Further, an air switch is arranged in the control box, and is connected with an external alternating current power supply and connected to all parts in the control box.
Furthermore, the control box is also internally provided with an electromagnetic valve connected with the pneumatic cut-off valve, and the electromagnetic valve adopts a centralized air supply mode and is connected to an air source inlet of the air cylinder of the pneumatic cut-off valve.
Furthermore, the control box is made of stainless steel, and a plurality of stainless steel gram heads are arranged at the bottom of the control box.
Further, the first flowmeter and the pneumatic cut-off valve are in threaded connection with the water supply branch pipe, and the second flowmeter and the temperature measurement thermal resistor are in threaded connection with the water return branch pipe.
Further, the first flow meter and the second flow meter are compact flow meters.
Drawings
FIG. 1 is a schematic view of a water collecting device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a water collecting device according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of the workflow of a metallurgical furnace header tank in an embodiment of the utility model;
description of main reference numerals:
| water supply branch pipe | 20 | Backwater branch pipe | 30 |
| Water collecting tank | 40 | First flowmeter | 25 |
| Second flowmeter | 35 | Pneumatic cut-off valve | 26 |
| Temperature-measuring thermal resistor | 36 |
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, a metallurgical furnace water collection tank in an embodiment of the present utility model is shown, including a water collection device and a control box disposed on the water collection device, where the water collection device includes a water supply branch pipe 20, a water return branch pipe 30, and a water collection tank 40 connecting the water supply branch pipe 20 and the water return branch pipe 30, in this embodiment, the whole metallurgical furnace water collection tank includes a plurality of water collection devices, the water supply branch pipe 20 on each water collection device is connected to a water supply header pipe, the water return branch pipe 30 on each water collection device is connected to a water return header pipe, and the water supply header pipe, the water collection devices and the water return header pipe together form a cooling system.
The water supply branch pipe 20 is provided with a first flowmeter 25 and a pneumatic cut-off valve 26, the pneumatic cut-off valve 26 is used for closing a pipeline of the water supply branch pipe 20, the water return branch pipe 30 is provided with a second flowmeter 35 and a temperature measurement thermal resistor 36, the temperature measurement thermal resistor 36 is used for measuring the water temperature of each water return branch pipe 30, and the first flowmeter 25 and the second flowmeter 35 are respectively used for measuring the water supply flow and the water return flow of each cooling element.
It will be appreciated that when the difference between the flows of the first flow meter 25 and the second flow meter 35 is higher than a certain value, it can be determined that the cooling element leaks, and the pneumatic shut-off valve 26 on the water supply branch pipe 20 is immediately closed to prevent a large amount of water from entering the melt in the furnace, in combination with the latest national safety standards.
Preferably, the first flowmeter 25 and the second flowmeter 35 are compact flowmeters.
The control box is connected with the control signals of the first flowmeter 25, the second flowmeter 35, the temperature-measuring thermal resistor 36 and the pneumatic cut-off valve 26, the control signals of the first flowmeter 25 and the second flowmeter 35 are connected into the control box through IO-LINK special communication cables, the control signals of the temperature-measuring thermal resistor 36 are connected into the control box through 3-core shielding control cables, the control signals of the pneumatic cut-off valve 26 are connected into the control box through 4-core shielding control cables, and the IO-LINK special communication cables can supply power to the first flowmeter 25 and the second flowmeter 35 and can also transmit various signals.
Further, the control box is also provided with an IO-LINK module connected to the control signals of the first flowmeter 25 and the second flowmeter 35, an RTD module connected to the signal of the temperature measurement thermal resistor 36, and a DI/DO module connected to the control signal of the pneumatic cut-off valve 26, the control box is also provided with a communication gateway, the IO-LINK module, the RTD module and the DI/DO module are connected to the communication gateway, the communication gateway is sent to the DCS control system in a bus communication manner through a communication cable or an optical cable, and is remotely monitored on a man-machine interface of the control room, and the communication gateway can adopt a Profibus-DP, MODBUS, PROFINET and other communication protocols to select a corresponding communication protocol according to the requirements of an end user.
Preferably, the first flowmeter 25 and the pneumatic cut-off valve 26 are in threaded connection with the water supply branch pipe 20, the second flowmeter 35 and the temperature-measuring thermal resistor 36 are in threaded connection with the water return branch pipe 30, the threaded connection is adopted, the assembly and the disassembly are convenient, the modular production can be realized, all the temperature-measuring thermal resistor 36, the first flowmeter 25, the second flowmeter 35 and the pneumatic cut-off valve 26 are installed on a pipeline in advance in a factory, the work such as cable connection and function debugging is completed, and only an external pipeline and a communication cable are required to be connected after the construction site is reached.
Preferably, the control box is made of stainless steel, and a plurality of stainless steel gram heads are arranged at the bottom of the control box and are mainly used for fastening and sealing communication cables.
The control box is internally provided with an electromagnetic valve connected with the pneumatic cut-off valve 26, the electromagnetic valve is arranged in the control box, and the electromagnetic valve adopts a centralized air supply mode and is connected to an air cylinder air source inlet of the pneumatic cut-off valve 26 through a PVC hose.
An air switch is arranged in the control box and connected with an external alternating current power supply, converts 220V alternating current into 24V direct current and is connected to all parts in the control box to charge the parts.
The utility model provides a use principle of a metallurgical furnace water collecting tank, which comprises the following steps:
according to the function requirement of the user, the metallurgical furnace water collecting tank is produced in a modularized mode, all the temperature-measuring thermal resistors 36, the first flowmeter 25, the second flowmeter 35 and the pneumatic cut-off valve 26 are installed on the water supply branch pipe 20 and the water return branch pipe 30 in a factory in advance, control signals are connected into the control tank to complete the work of cable wiring, function debugging and the like, and after the metallurgical furnace water collecting tank reaches a construction site, only an external pipeline and a communication cable are connected.
The water supply main pipe sends water to the water supply branch pipes 20 on each water collecting device, the water in the water supply branch pipes 20 flows into the water collecting tanks 40 to cool the cooling elements, the cooled water flows into the water return branch pipes 30 again, finally flows into the water return main pipe to carry out cooling measures on the metallurgical furnace, the water supply branch pipes 20 and the water return branch pipes 30 are respectively provided with the first flow meters 25 and the second flow meters 35 to measure the flow rate of the water supplied by each cooling element, the water return branch pipes 30 are provided with the temperature measuring thermal resistors 36 to measure the water temperature of the water return branch pipes 30, the control signals of the first flow meters 25, the second flow meters 35 and the temperature measuring thermal resistors 36 are connected into the control box and then converted into corresponding communication signals through corresponding modules in the control box, and finally, the communication gateway is connected to the DCS control system, so that people can carry out remote monitoring on the man-machine section of the control chamber;
the water collecting device can provide complete parameters for the calculation of heat loss of the metallurgical furnace, and the DCS control system can accurately calculate the heat exchange intensity of each cooling element according to the measured temperature and flow value, so that the cooling intensity of the whole furnace body is mastered;
when the difference between the flow rates of the first flow meter 25 and the second flow meter 35 is higher than a certain value, it can be judged that the cooling element leaks water, and the pneumatic shut-off valve 26 on the water supply branch pipe 20 is immediately closed to prevent a large amount of water from entering the melt in the furnace.
In summary, the metallurgical furnace water collecting tank in the embodiment of the utility model has the function of simultaneously monitoring the temperature and the flow of each cooling water branch pipe, can automatically cut off water supply under emergency, prevents water from entering a large amount of melt, accords with the latest safe production standard, and avoids safety accidents as much as possible; meanwhile, according to the requirements of users, the water collecting device, the detection instrument, the control box, the cable and the like can be integrated and assembled in a factory in advance, and compared with the prior art, a great amount of engineering design work can be saved; all signals are sent into a user DCS for monitoring in a communication mode, so that the number of DCS clamping pieces and cabinets can be greatly reduced, the purchase cost of the DCS is saved, and in the construction process, only a communication cable is needed to be connected, and a large amount of cable materials and the engineering quantity for cable laying can be saved.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a metallurgical furnace header tank, its characterized in that includes water collecting device and locates control box on the water collecting device, the water collecting device includes water supply branch pipe, return water branch pipe and connects the water supply branch pipe with the header tank of return water branch pipe, be equipped with first flowmeter and pneumatic trip valve on the water supply branch pipe, pneumatic trip valve is used for closing the pipeline of water supply branch pipe, be equipped with second flowmeter and temperature measurement thermal resistance on the return water branch pipe, the temperature measurement thermal resistance is used for measuring the temperature of every return water branch pipe, first flowmeter with the second flowmeter is used for measuring the water supply flow and the return water flow of every cooling element respectively, the control box is connected first flowmeter, second flowmeter, temperature measurement thermal resistance and pneumatic trip valve control signal.
2. The metallurgical furnace header tank of claim 1, wherein the control signals of the first and second flow meters are connected to the control box via an IO-LINK dedicated communication cable, the control signal of the thermometric thermal resistor is connected to the control box via a 3-core shielded control cable, and the control signal of the pneumatic shut-off valve is connected to the control box via a 4-core shielded control cable.
3. The metallurgical furnace header tank of claim 2, wherein the control box is further provided therein with an RTD module connected to the control signal of the thermometric thermal resistor, a DI/DO module connected to the control signal of the pneumatic cut-off valve, and an IO-LINK module connected to the control signals of the first and second flowmeters.
4. A metallurgical furnace header according to claim 3 wherein a communications gateway is provided in the control box and is connected to the DCS control system for communicating the control signals to the DCS control system via a bus.
5. The metallurgical furnace header tank of claim 4, wherein the RTD module, DI/DO module, and IO-LINK module are all connected to the communication gateway.
6. The metallurgical furnace header tank of claim 4, wherein an air switch is provided within the control box, the air switch being connected to an external ac power source and connected to components within the control box.
7. The metallurgical furnace header tank of claim 6, wherein the control box is further provided with a solenoid valve connected to the pneumatic shut-off valve, wherein the solenoid valve is in a centralized air supply mode and is connected to a cylinder air source inlet of the pneumatic shut-off valve.
8. The metallurgical furnace header tank of claim 7, wherein the control box is made of stainless steel and has a plurality of stainless steel glans at the bottom.
9. The metallurgical furnace header tank of claim 1, wherein the first flowmeter and the pneumatic shut-off valve are each threadably connected to the water supply manifold, and wherein the second flowmeter and the temperature-sensing thermal resistor are each threadably connected to the water return manifold.
10. The metallurgical furnace header tank of claim 1, wherein the first and second flow meters are compact flow meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776047.1U CN220206380U (en) | 2023-04-10 | 2023-04-10 | Metallurgical furnace water collecting tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776047.1U CN220206380U (en) | 2023-04-10 | 2023-04-10 | Metallurgical furnace water collecting tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206380U true CN220206380U (en) | 2023-12-19 |
Family
ID=89137389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320776047.1U Active CN220206380U (en) | 2023-04-10 | 2023-04-10 | Metallurgical furnace water collecting tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206380U (en) |
-
2023
- 2023-04-10 CN CN202320776047.1U patent/CN220206380U/en active Active
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