CN217083074U - Automatic water spraying temperature regulating device for coal pile - Google Patents
Automatic water spraying temperature regulating device for coal pile Download PDFInfo
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- CN217083074U CN217083074U CN202220755687.XU CN202220755687U CN217083074U CN 217083074 U CN217083074 U CN 217083074U CN 202220755687 U CN202220755687 U CN 202220755687U CN 217083074 U CN217083074 U CN 217083074U
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Abstract
An automatic water spraying temperature adjusting device for a coal pile. In the prior art, water is sprayed for cooling, after the coal pile generates smoke, fire and other phenomena, water is sprayed, the temperature in the coal pile reaches a high state at the moment, the heat value loss is serious, if the water spraying amount is insufficient, the combustion of the coal pile can be aggravated due to water gas reaction and the like. The utility model discloses the constitution includes: a set of temperature sensor (1), a set of temperature sensor places 2-3 meters department in coal pile (6) respectively, and every temperature sensor's interval is 2-5 meters, and temperature sensor is connected with logic switch (2), and logic switch includes a set of switch A (7) and switch B (8), wherein each temperature sensor correspond respectively connect switch A switch B, switch A is connected with electric valve (3), alarm device (5) through the wire respectively, switch B pass through the wire with alarm device connect, electric valve passes through the wire and is connected with water jet equipment (4). The utility model is used for automatic water spray adjusts coal pile temperature device.
Description
Technical Field
The utility model relates to an automatic water spray adjusts coal pile temperature device.
Background
In order to meet the power generation requirement and ensure the social power consumption requirement, a large-scale open-air coal storage yard is generally built for storing a large amount of coal, the spontaneous combustion of the coal can bring huge economic loss and potential safety hazard, and the prevention of the spontaneous combustion of the coal is a very important problem, the spontaneous combustion of the coal is caused by the oxidation of the coal, the coal is stored in the open air and is blown by wind, sun and rain to be fully contacted with oxygen in the air, when the temperature of a coal pile reaches the ignition point of spontaneous combustion, the oxidation reaction speed is increased, and the possibility of causing the spontaneous combustion of the whole coal pile is existed, so that the probability of bituminous coal and lignite with strong volatility is higher, and the danger of coal with higher sulfur content is higher; real-time temperature monitoring of the inside of the coal pile is necessary because the calorific value loss of coal due to spontaneous combustion of the coal pile and the resulting influence on the ecological environment are serious.
About 2/3 is the coal cost in the production and operation costs of the thermal power plant, so necessary measures for coal quality loss, heat loss and the like are necessary to improve the economic benefit of the power plant;
for the cooling work of the coal pile, the prior art is that the power plant adopts the method of water spray cooling, but basically takes the water spray measure after the coal pile produces the phenomena of smoke, fire light and the like, the internal temperature of the coal pile reaches a very high state at the moment, the heat value loss is very serious, and if the water spray quantity is insufficient, the combustion of the coal pile is possibly aggravated due to the water gas reaction and the like.
Disclosure of Invention
The utility model aims at providing an automatic water spray adjusts coal pile temperature device, this structure is through burying temperature sensor in the coal pile, monitors the inside temperature of coal pile, takes the method of water spray cooling to control the coal pile temperature after reacing the temperature setting value.
The above purpose is realized by the following technical scheme:
an automatic water spray temperature regulating device for a coal pile comprises: a set of temperature sensors, characterized by: the temperature sensors are respectively arranged at 2-3 meters in the coal pile, the interval of each temperature sensor is 2-5 meters, the temperature sensors are connected with a logic switch, the logic switch comprises a group of switches A and B, each temperature sensor is respectively and correspondingly connected with the switches A and B, the switches A are respectively connected with an electric valve and an alarm device through leads, the switches B are connected with the alarm device through leads, and the electric valve is connected with a water spraying device through leads.
The automatic water spraying and coal pile temperature adjusting device, the temperature sensor, the logic switch, the electric valve, the water spraying device and the alarm device are all connected through leads to form a control system.
Has the advantages that:
1. the utility model relates to an automatic water spray adjusts coal pile temperature device, thereby this structure adopts to bury the inside temperature of coal pile monitoring coal pile with temperature sensor, can take a series of methods to control the coal pile temperature after reacing the temperature setting value.
2. The utility model discloses bury temperature sensor 2-3 meters below the coal pile, because this position is the oxide layer of coal pile, the oxidation heat accumulation condition is better, and the heat of production is more, can also confirm suitable temperature sensor quantity according to the actual length of coal type and coal pile simultaneously to set up temperature sensor's interval to 2-5 meters, can make the detection temperature more accurate like this.
3. The utility model discloses a structure can carry out automatic control to the temperature of coal pile, its simple structure, and the control of being convenient for compares prior art and has effectively improved work efficiency, the cost is reduced.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a control flow chart of the present invention.
Wherein: 1. the system comprises a temperature sensor, 2, a logic switch, 3, an electric valve, 4, a water spraying device, 5, an alarm device, 6, a coal pile, 7, switches A and 8 and a switch B.
The specific implementation mode is as follows:
example 1:
an automatic water spray temperature regulating device for a coal pile comprises: a set of temperature sensors 1, characterized by: the temperature sensors are respectively arranged at 2-3 meters in the coal pile 6, the interval of each temperature sensor is 2-5 meters, the temperature sensors are connected with the logic switch 2, the logic switch comprises a group of switches A7 and B8, each temperature sensor is respectively and correspondingly connected with the switches A and B, the switches A are respectively connected with the electric valve 3 and the alarm device 5 through leads, the switches B are connected with the alarm device through leads, and the electric valve is connected with the water spraying device 4 through leads.
Example 2:
according to the device for automatically spraying water to adjust the temperature of the coal pile in the embodiment 1, the temperature sensor, the logic switch, the electric valve, the water spraying device and the alarm device are connected through leads to form a control system.
Example 3:
the automatic water spray coal pile temperature adjusting device and the method for preventing spontaneous combustion as described in embodiment 1 or 2 comprise the following steps:
firstly, embedding 4-6 temperature sensors in a long strip coal pile or determining the number of the temperature sensors according to the coal type and the actual length of the coal pile, wherein the interval of the temperature sensors is 2-5 meters and the temperature sensors are embedded in the coal pile at the depth of 2-3 meters; then the temperature sensor is connected with a logic switch, an electric valve, a water spraying device and an alarm device together to form a control system;
each temperature sensor corresponds to two switches, namely a switch A and a switch B, the switch A is switched on, the electric valve and the alarm device are switched on at the moment, the water spraying device and the alarm device work, the switch B is switched on, only the alarm device is switched on at the moment, and when the average temperature of all the temperature sensors is 10 ℃ higher than the set value, the logic switch is switched on the switches A of all the circuits;
the logic switch is set with a temperature value, when the temperature of one temperature sensor reaches a preset value, the switch of the circuit corresponding to the temperature sensor in the logic switch is switched on to switch on the switch B, only the circuit corresponding to the alarm device is switched on at the moment, and the alarm device gives an alarm;
when two or more temperature sensors reach a preset temperature value, a switch of a circuit corresponding to the temperature sensor in the logic switch is switched on to switch on the switch A, at the moment, circuits of the alarm device and the electric valve are switched on, the alarm device gives an alarm, and the water spraying device sprays water to a corresponding position;
when the average temperature of all the temperature sensors is 10 ℃ away from the set value, the output signals pass through the logic circuit, the switches of all the circuits are all connected with the switch A, all the alarm devices give out an alarm, all the electric valves are connected, and the water sprayer works together to spray water to cool the coal pile.
Claims (2)
1. An automatic water spray temperature regulating device for a coal pile comprises: a set of temperature sensors, characterized by: the temperature sensors are respectively arranged at 2-3 meters in the coal pile, the interval of each temperature sensor is 2-5 meters, the temperature sensors are connected with a logic switch, the logic switch comprises a group of switches A and B, each temperature sensor is respectively and correspondingly connected with the switches A and B, the switches A are respectively connected with an electric valve and an alarm device through leads, the switches B are connected with the alarm device through leads, and the electric valve is connected with a water spraying device through leads.
2. The automatic water spray coal pile temperature adjusting device of claim 1, which is characterized in that: the temperature sensor, the logic switch, the electric valve, the water spraying device and the alarm device are all connected through leads to form a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755687.XU CN217083074U (en) | 2022-04-02 | 2022-04-02 | Automatic water spraying temperature regulating device for coal pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755687.XU CN217083074U (en) | 2022-04-02 | 2022-04-02 | Automatic water spraying temperature regulating device for coal pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217083074U true CN217083074U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220755687.XU Active CN217083074U (en) | 2022-04-02 | 2022-04-02 | Automatic water spraying temperature regulating device for coal pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217083074U (en) |
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2022
- 2022-04-02 CN CN202220755687.XU patent/CN217083074U/en active Active
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