CN206469993U - Coal gasifier fire alarm heat-sensitive cable temp measuring system - Google Patents
Coal gasifier fire alarm heat-sensitive cable temp measuring system Download PDFInfo
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- CN206469993U CN206469993U CN201720101132.2U CN201720101132U CN206469993U CN 206469993 U CN206469993 U CN 206469993U CN 201720101132 U CN201720101132 U CN 201720101132U CN 206469993 U CN206469993 U CN 206469993U
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- coal gasifier
- heat
- sensitive cable
- chromacoder
- measuring system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a kind of coal gasifier fire alarm heat-sensitive cable temp measuring system, including some thermocouples, explosion-proof tank and chromacoder, each branch thermocouple is constituted by a heat-sensitive cable, two supplement wires and two joint for sealing connecting, and the two ends of the heat-sensitive cable are distinguished sealed connector and are connected with one end of two compensating wires；Some thermocouples are arranged in the outer wall of coal gasifier reative cell, temperature for measuring coal gasifier reacting outdoor wall, the chromacoder is arranged in explosion-proof tank, two compensating wire other ends of each branch thermocouple are connected with chromacoder respectively, and the chromacoder is used to the temperature signal of each branch thermocouple monitoring changing into control system of the analog signal transmission to coal gasifier.The utility model can monitor coal gasifier case surface temperature in real time, realize timely overheating warning and alarm, prevent fire.
Description
Technical field
The utility model belongs to temperature monitoring technique, and in particular to a kind of coal gasifier fire alarm heat-sensitive cable thermometric
System.
Background technology
China is energy big country, is enriched the most with coal especially, industrial chemicals and clean energy resource will can be obtained after coal gasification,
Such as convert coal into methanol, acetic acid, naphtha.Largely used in China's coal gasification at present, and development potentiality from now on
It is huge.Coal gasification needs HTHP, wherein the most key device is coal gasifier, general work temperature 1300 DEG C~
1500 DEG C, pressure, which is up in 9MPa, stove to build, has refractory material to be thermally shielded protection furnace shell, makes furnace shell hull-skin temperature 150
DEG C~250 DEG C.But refractory material can be caused thinning or even come off due to airflow scouring during work, now, furnace shell surface temperature
It can steeply rise, up to 400 DEG C~500 DEG C, cause furnace shell allowable stress to decline, or even body of heater burns blast.Therefore, it is necessary to right
Body of heater carries out twenty four hours monitoring temperature.
Traditional monitoring temperature mode has point type thermocouple, resistor-type cable for measuring temperature, thermo-color, optical fiber temperature measurement system
Deng.
But Detection Techniques of traditional monitoring temperature mode in terms of fire alarm have problems with, such as：
1 point type thermocouple temperature measurement monitoring leak source is more, and networking capacity is big, system complex, it is difficult to operate.
2 resistor-type cable for measuring temperature measure mean temperature by measuring the resistance value of a segment length, it is impossible to distinguish " a bit of
High temperature and " one big section of low temperature ", error is big.
3 thermo-colors are alarmed for fixed temperature, it is impossible to reflect temperature change, without prevention effect, and need the sight of people scene
Examine.
4 optical fiber costs are high, and optical fiber is easily broken, and maintenance workload is big, and optical fiber heatproof is limited, rapid wear after the deformation of furnace shell overtemperature
Bad optical fiber.
The content of the invention
The purpose of this utility model is that there is provided a kind of coal gasifier fire alarm heat in order to overcome the deficiencies in the prior art
Quick cable temp measuring system, coal gasifier case surface temperature can be monitored in real time, realized timely overheating warning and alarm, prevented
Fire occurs.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of coal gasifier fire alarm heat-sensitive cable temp measuring system, including some thermocouples, explosion-proof tank and signal turn
Changing device, each branch thermocouple is constituted by a heat-sensitive cable, two supplement wires and two joint for sealing connecting, the heat
Distinguish sealed connector and be connected with one end of two compensating wires in the two ends of quick cable；Some thermocouples are arranged in
The outer wall of coal gasifier reative cell, the temperature for measuring coal gasifier reacting outdoor wall, the chromacoder is arranged on
In explosion-proof tank, two compensating wire other ends of each branch thermocouple are connected with chromacoder respectively, and the signal turns
Changing device is used to the temperature signal of each branch thermocouple monitoring changing into control system of the analog signal transmission to coal gasifier.
The heat-sensitive cable temp measuring system can also use multiple chromacoders.
The chromacoder uses temperature transmitter or remote I/O system.
The joint for sealing connecting of each branch thermocouple is constituted by connection head cap and connector cylinder, is set in the connection head cap
There is the first shoulder hole, the path section of the connection head cap is provided with the external screw thread for being used for being engaged with hold-doun nut, the connector
The second shoulder hole is provided with cylinder, the bigger diameter end of the connection head cap is fixedly connected with the bigger diameter end of connector cylinder, forms one and close
Space, the path section of the heat-sensitive cable through connector cylinder is extended in closing space, and the supplement wire passes through connector
The path section of cap is extended in closing space, is connected with the thermocouple wire of heat-sensitive cable, filled with sealing in the closing space
Glue is sealed.
The joint for sealing connecting of each branch thermocouple is fixed on the outer wall of coal gasifier reative cell by L-shaped termination fixed plate
On.
L-shaped termination fixed plate is provided with the mounting hole for being used for being fixed on coal gasifier and is tightly connected for installing
The neck of head.
The beneficial effects of the utility model：The utility model is made up of some thermocouples, explosion-proof tank and chromacoder,
Each branch thermocouple is made up of heat-sensitive cable, compensating wire and joint for sealing connecting, and the heat-sensitive cable is used for detection temperature, the benefit
The voltage signal that wire is used to transmit heat-sensitive cable output is repaid, some thermocouples are arranged in coal gasifier reative cell
Outer wall, the temperature for measuring coal gasifier reacting outdoor wall.Chromacoder is arranged in explosion-proof tank, by explosion-proof tank come
Ensure the normal work of chromacoder, the compensating wire of some thermocouples is connected with chromacoder respectively, institute
Stating chromacoder is used to the temperature signal of some thermocouples changing into analog signal transmission to the control for setting coal gasifier
System processed.The utility model overcomes current coal gasifier fire alarm and can not monitored in real time with heat-sensitive cable temp measuring system and not
The deficiency of energy applied at elevated temperature, by testing and analyzing the voltage signal that heat-sensitive cable is exported, realizes and reacts chamber surface to coal gasifier
The purpose of temperature change and fire condition.The thermometric for being particularly suitable for use in the ancient gasifying furnace device of the Sino-German soil of coal chemical industry is detected by some
The heat-sensitive cable of thermocouple is to carrying out comprehensive temperature sensing outside coal gasifier combustion chamber, so as to realize local to coal gasifier
The excess temperature event of appearance carries out timely overheating warning and alarm, it is therefore prevented that fire occurs.
The joint for sealing connecting is made up of connection head cap and connector cylinder, bigger diameter end and the connector cylinder of the connection head cap
Bigger diameter end be fixedly connected, form a closing space, it is empty that the path section of the heat-sensitive cable through connector cylinder extends to closing
Between in, it is described supplement wire through connection head cap path section extend in closing space, the thermocouple wire phase with heat-sensitive cable
Even, sealed in the closing space filled with fluid sealant.Make this joint for sealing connecting that there is waterproof, anti-dust, anti-joint oxygen
The effect of change, it is to avoid the problems such as short circuit or swinging of signal, loose contact caused by joint water inlet, oxide etch, dust etc.,
The reliability of connection is fully ensured that, while playing a part of further fixing the two poles of the earth and insulation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of each branch thermocouple of the utility model；
Fig. 3 is the structural representation of the utility model joint for sealing connecting；
Fig. 4 is the structural representation of the utility model L-shaped termination fixed plate.
Embodiment
The utility model is described in further detail with specific implementation below in conjunction with the accompanying drawings；
Specific embodiment 1：
Referring to shown in Fig. 1 to Fig. 4, a kind of coal gasifier fire alarm heat-sensitive cable temp measuring system, including some thermoelectricity
Even 1, explosion-proof tank 2 and a chromacoder 3, each branch thermocouple 1 respectively by a heat-sensitive cable 1-1, two
Supplement wire 1-2 and two joint for sealing connecting 1-3 are constituted, the heat-sensitive cable 1-1 uses the heat-sensitive cable of CTTC types, temperature-sensitive
Cable 1-1 is armouring, and sealed connector 1-3 and two compensation are distinguished in thermoelectricity extremely K-type, the two ends of the heat-sensitive cable 1-1
Wire 1-2 is connected, and 300 DEG C of the compensating wire heatproof, the joint for sealing connecting 1-3 is made of stainless steel, each branch thermocouple 1
Joint for sealing connecting 1-3 constituted by connection head cap 1-31 and connector cylinder 1-32, be provided with first in the connection head cap 1-31
Shoulder hole, the path section of the connection head cap 1-31 is provided with the external screw thread for being used for being engaged with hold-doun nut, the connector cylinder
The second shoulder hole is provided with 1-32, the bigger diameter end of the connection head cap 1-31 is fixedly connected with connector cylinder 1-32 bigger diameter end,
A closing space is formed, the heat-sensitive cable 1-1 through connector cylinder 1-32 path section are extended in closing space, described two
Root supplement wire 1-2 one end is extended in closing space through connection head cap 1-31 path section, with heat-sensitive cable 1-1 two ends
Thermocouple wire be connected, sealed in the closing space filled with fluid sealant.The heat-sensitive cable 1-1 is used to detect temperature
Degree, the compensating wire 1-2 is used for the voltage signal for transmitting heat-sensitive cable output, and some thermocouples 1 are arranged in coal
The outer wall of gasification furnace reative cell 4, the temperature for measuring coal gasifier reacting outdoor wall, the sealing of each branch thermocouple 1 connects
Joint 1-3 is fixed on the outer wall of coal gasifier reative cell 4 by L-shaped termination fixed plate 5.Set in L-shaped termination fixed plate 5
There are the mounting hole 5-1 for being fixed on coal gasifier and the neck 5-2 for installing joint for sealing connecting.L-shaped termination fixed plate 5
It is engaged, is fixed on the outer wall of coal gasifier reative cell 4 by the default screw rod of mounting hole and coal gasifier.Each branch thermocouple
Joint for sealing connecting 1-3 is stuck in the neck 5-2 of L-shaped termination fixed plate 5, then by hold-doun nut with joint for sealing connecting 1-3's
Connection head cap 1-31, which is engaged, is fixed on L-shaped termination fixed plate 5.The coal gasifier reacts the branched thermocouple of outdoor mounted, respectively
It is at regular intervals between branch thermocouple, in the present embodiment：The coal gasifier reacts the branched thermocouple of outdoor mounted, each branch thermoelectricity
Even heat-sensitive cable is wrapped in coal gasifier reacting outdoor wall by 200mm spacing.Or the coal gasifier reaction outdoor is adopted
With one thermocouple of installation.
The chromacoder 3 is arranged in explosion-proof tank 2, and explosion-proof tank 2 is arranged on by coal gasifier, the signal conversion
Device 3 is provided with multichannel interface, and two compensating wire 1-2 other ends of the branched thermocouple 1 are defeated with chromacoder 3 respectively
Enter end to be connected, by compensating wire 1-2 by temperature signal input signal conversion equipment 3, the output end of chromacoder 3 passes through
Signal wire is connected with the control system 6 of coal gasifier, and the chromacoder 3 is used to believe the temperature of each group thermocouple monitoring
Analog signal transmission number is changed into the control system 6 for setting coal gasifier, the chromacoder 3 uses temperature transmitter
Or remote I/O system, in this implementation：Chromacoder 3 uses temperature transmitter.The remote I/O system has collection mould
Block, the compensating wire of each branch thermocouple is connected with the acquisition module of remote I/O system.The control system 6 of the coal gasifier is used
In sending alarm signal, and send to explosion-proof tank 2 power supply signal of cut-out coal gasifier.The control system 6 of the coal gasifier
Using DCS control systems or PLC control system can be used.In the present embodiment, the control system can be using DCS controls
Temperature signal is converted on the address card of analog signal feeding DCS control systems by system, chromacoder 3.
Specific embodiment 2:
Feature of the present utility model is：The heat-sensitive cable temp measuring system can also use multiple chromacoders 3, institute
Each chromacoder 3 is stated to be correspondingly arranged in an explosion-proof tank 2.Some thermocouples 1 are divided into multiple groups, every group
Provided with multiple thermocouples, every group of one chromacoder 3 of correspondence of thermocouple 1.Other features are identical with specific embodiment 1.
Claims (6)
1. a kind of coal gasifier fire alarm heat-sensitive cable temp measuring system, it is characterised in that：Including some thermocouples (1), prevent
Quick-fried case (2) and chromacoder (3), each branch thermocouple (1) is by a heat-sensitive cable (1-1), two supplement wires
(1-2) and two joint for sealing connecting (1-3) are constituted, the two ends of the heat-sensitive cable (1-1) distinguish sealed connector (1-3) with
One end of two compensating wires (1-2) is connected；Some thermocouples (1) are arranged in the outer of coal gasifier reative cell (4)
Wall, the temperature for measuring coal gasifier reative cell (4) outer wall, the chromacoder (3) is arranged in explosion-proof tank (2),
Two compensating wire other ends of each branch thermocouple (1) are connected with chromacoder (3) respectively, the signal converting means
Putting (3) is used to the temperature signal that each branch thermocouple (1) monitors changing into control system of the analog signal transmission to coal gasifier
(6)。
2. coal gasifier fire alarm heat-sensitive cable temp measuring system according to claim 1, it is characterised in that：The heat
Quick cable temp measuring system can also use multiple chromacoders (3).
3. coal gasifier fire alarm heat-sensitive cable temp measuring system according to claim 1 or 2, it is characterised in that：Institute
State chromacoder (3) and use temperature transmitter or remote I/O system.
4. coal gasifier fire alarm heat-sensitive cable temp measuring system according to claim 1, it is characterised in that：It is described each
The joint for sealing connecting (1-3) of branch thermocouple (1) is constituted by connection head cap (1-31) and connector cylinder (1-32), the connector
The first shoulder hole is provided with cap (1-31), the path section of the connection head cap (1-31), which is provided with, is used for what is be engaged with hold-doun nut
The second shoulder hole, the bigger diameter end and connector of the connection head cap (1-31) are provided with external screw thread, the connector cylinder (1-32)
The bigger diameter end of cylinder (1-32) is fixedly connected, and forms a closing space, and the heat-sensitive cable (1-1) passes through connector cylinder (1-32)
Path section is extended in closing space, and the supplement wire (1-2) extends to closing through the path section of connection head cap (1-31)
In space, it is connected with the thermocouple wire of heat-sensitive cable (1-1), is sealed in the closing space filled with fluid sealant.
5. the coal gasifier fire alarm heat-sensitive cable temp measuring system according to claim 1 or 4, it is characterised in that：Institute
The joint for sealing connecting (1-3) for stating each branch thermocouple (1) is fixed on coal gasifier reative cell (4) by L-shaped termination fixed plate (5)
On outer wall.
6. coal gasifier fire alarm heat-sensitive cable temp measuring system according to claim 5, it is characterised in that：The L
Shape termination fixed plate (5) is provided with the mounting hole (5-1) for being used to be fixed on coal gasifier and for installing joint for sealing connecting
Neck (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101132.2U CN206469993U (en) | 2017-01-24 | 2017-01-24 | Coal gasifier fire alarm heat-sensitive cable temp measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101132.2U CN206469993U (en) | 2017-01-24 | 2017-01-24 | Coal gasifier fire alarm heat-sensitive cable temp measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206469993U true CN206469993U (en) | 2017-09-05 |
Family
ID=59703387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720101132.2U Active CN206469993U (en) | 2017-01-24 | 2017-01-24 | Coal gasifier fire alarm heat-sensitive cable temp measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206469993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797005A (en) * | 2017-11-17 | 2019-05-24 | 内蒙古伊泰化工有限责任公司 | Improve the method and system of coal slurry gasifier surface temperature monitoring reliability |
-
2017
- 2017-01-24 CN CN201720101132.2U patent/CN206469993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797005A (en) * | 2017-11-17 | 2019-05-24 | 内蒙古伊泰化工有限责任公司 | Improve the method and system of coal slurry gasifier surface temperature monitoring reliability |
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