CN210409319U - Spark detection and fire fighting system for woodworking sanding process - Google Patents
Spark detection and fire fighting system for woodworking sanding process Download PDFInfo
- Publication number
- CN210409319U CN210409319U CN201921286266.1U CN201921286266U CN210409319U CN 210409319 U CN210409319 U CN 210409319U CN 201921286266 U CN201921286266 U CN 201921286266U CN 210409319 U CN210409319 U CN 210409319U
- Authority
- CN
- China
- Prior art keywords
- spark
- fire
- dust
- dust remover
- extinguishing
- 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
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a carpenter's sand light technology fire prevention disaster prevention technical field provides a carpenter's sand light for technology spark detection and conflagration fire extinguishing system. The system comprises a temperature protection system, a dust removal system, a spark detection and extinguishing system, a fire-fighting and extinguishing system, an explosion-proof system, an intelligent control interlocking protection system and an audible and visual alarm device; the temperature protection system comprises a first temperature sensor, a second temperature sensor and solid CO2The dust-removing system comprises a dust-removing air pipe, a dust remover, an ash bin, a fan and a pressure difference transmitterThe sensor and the spark detection and extinguishing system comprise a first-level spark detector, a second-level spark detector and a spark extinguishing spray head, the fire extinguishing system comprises a plurality of fire extinguishing spray heads, and the explosion-proof system comprises an explosion-proof device and an explosion-venting device. The utility model discloses can carry out intelligent differentiation and can carry out the intelligent fire prevention explosion protection of pertinence to the condition of a fire of different ranks to the condition of a fire rank, can realize that the spark of efficiency is higher, safer intellectuality, automation, informationization is surveyed and the conflagration fire control.
Description
Technical Field
The utility model relates to a carpenter's sand light technology fire prevention disaster prevention technical field especially relates to a carpenter is spark detection and conflagration fire extinguishing system for sand light technology.
Background
The equipment that can produce dust in the wood processing process mainly has: the wood dust collector comprises a grinder, a fan, a sander, a dryer, a saw, a planer and the like, wherein the grinder, the fan, the sander, the dryer, the saw, the planer and the like are common fire sources in industrial production, particularly, the sander for woodworker can generate more wood dust during working and is very easy to generate sparks, and the dust collecting port of the sander conveys the sparks together with inflammable and explosive wood powder into a dust removing air pipe and a dust removing system, so that wood dust explosion accidents and fires are very easy to cause.
In order to solve the problems and hidden troubles, a spark detection and extinguishing device is additionally arranged on a dust removal air pipe to eliminate possible sparks. The existing spark detecting and extinguishing device has poor quality and no unified judging standard for fire extinguishing performance, and users often cannot distinguish the performance of the existing spark detecting and extinguishing device. The system integrating spark detection, spark extinguishing and fire fighting is not available in the prior art, a fire pipeline is manually placed to carry out fire fighting when sparks or fire disasters occur, and the fire situations of different levels can not be dealt with respectively, so that the timeliness and pertinence of fire fighting are poor, the fire fighting efficiency and the fire fighting effect are poor, dust explosion and fire accidents can not be effectively prevented, and the safety and the reliability of the woodworking sanding process can not be guaranteed.
SUMMERY OF THE UTILITY MODEL
The problem to prior art exists, the utility model provides a carpenter is spark detection and conflagration fire extinguishing system for sand light technology can carry out intelligent differentiation and can carry out the intelligent fire prevention explosion-proof protection of pertinence to the condition of a fire of different ranks to the condition of a fire rank, can realize that efficiency is higher, safer intelligent, automatic, the spark of informationization is surveyed and conflagration fire control.
The technical scheme of the utility model is that:
the utility model provides a carpenter is spark detection and conflagration fire extinguishing system for sand light technology, carpenter's sand light technology uses carpenter's grinder to sand light which characterized in that: the intelligent fire-fighting protection system comprises a temperature protection system, a dust removal system, a spark detection and extinguishing system, a fire-fighting and fire-extinguishing system, an explosion-proof system, an intelligent control interlocking protection system and an audible and visual alarm device;
the temperature protection system comprises a first temperature sensor, a second temperature sensor and solid CO2An ejection port; the first temperature sensor, solid CO2The jet ports are all arranged inside the woodworking sanding machine, and the solid CO is2The injection port is opened through a quick valve and solid CO2Delivery hose connection, said solid CO2Conveying hose and solid CO2The storage box is connected;
the dust removal system comprises a dust collection cover of the sander, a dust removal air pipe, a dust remover, an ash bin, a fan and a differential pressure sensor, wherein the dust removal air pipe comprises an upstream dust removal air pipe and a downstream dust removal air pipe; the dust inlet of the sander dust collection cover is mounted on the dust collection opening of the woodworking sander, one end of the upstream dust removal air pipe is connected with the dust outlet of the sander dust collection cover, the other end of the upstream dust removal air pipe is connected with the air inlet of the dust remover, the dust outlet of the dust remover is over against the dust inlet of the dust bin, one end of the downstream dust removal air pipe is connected with the air outlet of the dust remover, the other end of the downstream dust removal air pipe is connected with the air inlet of the fan, a first pressure interface and a second pressure interface of the differential pressure sensor are respectively fixed on the air inlet of the dust remover and the air outlet of the dust remover, and the second temperature sensor is arranged in the dust remover;
the spark detection and extinguishing system comprises a primary spark detector, a spark extinguishing spray header, a spark extinguishing water pipe and a secondary spark detector; the primary spark detector, the spark extinguishing spray header and the secondary spark detector are sequentially arranged on an upstream dust removal air pipe along the airflow direction, the spark extinguishing spray header is connected with the spark extinguishing water pipe through a hose, a first electromagnetic valve and a first pressure switch are sequentially arranged on the spark extinguishing water pipe along the water flow direction, and the spark extinguishing water pipe is connected with a fire water source;
the fire-fighting system comprises a plurality of fire-fighting spray headers and a plurality of fire-fighting water pipes; a plurality of fire-fighting spray headers and a plurality of fire-fighting water pipes are arranged inside the woodworking sander, the dust removal air pipe, the upper part of the dust remover, the ash hopper and the ash bin, the fire-fighting spray headers are connected with the fire-fighting water pipes through hoses, a second electromagnetic valve and a second pressure switch are sequentially arranged on the fire-fighting water pipes along the water flow direction, and the fire-fighting water pipes are connected with a fire-fighting water source;
the explosion-proof system comprises an explosion-proof device and an explosion venting device, wherein the explosion-proof device comprises an explosion-proof valve and a rotary blanking valve, the explosion venting device comprises a flameless explosion pressure relief device arranged on the outer wall of the dust remover when the dust remover works indoors, and the explosion venting device comprises an explosion venting plate arranged on the outer wall of the dust remover when the dust remover works outdoors; the explosion-proof valve is arranged on the upstream dust removal air pipe at a position which is at least 3m away from the air inlet of the dust remover, and the rotary blanking valve is arranged on the ash outlet of the dust remover;
the intelligent control interlocking protection system is an upper computer; the output of first temperature sensor, the output of second temperature sensor, the control collector output of one-level spark detector, the control collector output of second grade spark detector the output of differential pressure sensor all with intelligent control interlocking protection system's input electricity is connected, intelligent control interlocking protection system's output with carpenter's grinder's switch the quick-open valve first solenoid valve the second solenoid valve the switch of dust remover the switch of fan the audible and visual alarm device electricity respectively connects.
Probes of the first-stage spark detector and the second-stage spark detector are both mounted on the wall of the upstream dust removal air pipe through adapters, and the spark extinguishing spray header is fixed on the inner wall of the upstream dust removal air pipe through bolts;
the dust remover is a bag-type dust remover, the fire-fighting spray headers at the upper part of the dust remover are arranged above all cloth bags in the dust remover, the number of the fire-fighting spray headers at the upper part of the dust remover is enough to cover all the cloth bags in the dust remover, and the cloth bags are made of antistatic materials.
The spark extinguishing spray header comprises a first spark extinguishing spray header and a second spark extinguishing spray header which are sequentially arranged along the direction of air flow, and the connection modes between the spark extinguishing spray header and the spark extinguishing water pipe are two;
the first connection mode is as follows: the spark extinguishing water pipe comprises a first spark extinguishing water pipe and a second spark extinguishing water pipe, the first electromagnetic valve comprises a third electromagnetic valve and a fourth electromagnetic valve, the first pressure switch comprises a third pressure switch and a fourth pressure switch, the first spark extinguishing spray header and the second spark extinguishing spray header are respectively connected with the first spark extinguishing water pipe and the second spark extinguishing water pipe through hoses, the third electromagnetic valve and the third pressure switch are sequentially arranged on the first spark extinguishing water pipe along the water flow direction, and the fourth electromagnetic valve and the fourth pressure switch are sequentially arranged on the second spark extinguishing water pipe along the water flow direction;
the second connection mode is as follows: the one end that the water pipe is extinguish to the spark is kept away from the fire control water source and is set up as tee bend water pipe, first spark extinguish spray header, second spark extinguish spray header pass through the hose respectively with the first siphunculus of tee bend water pipe, second siphunculus are connected, first solenoid valve, first pressure switch set gradually along the rivers direction on the third tee bend pipe of water pipe is extinguish to the spark.
The intelligent control interlocking protection system is connected with a mobile phone through wireless communication.
The dust removal tuber pipe sets up an inspection socket every 6m distance, the inspection socket is in the closed condition in carpenter's grinder's working process.
The spark detection and fire fighting system for the woodworking sanding process further comprises an anti-static grounding protection device, wherein the anti-static grounding protection device is grounded at one end, and the anti-static grounding protection device is welded with the woodworking sanding machine, the dust remover and the fan at the other end.
The utility model has the advantages that:
(1) the utility model discloses a temperature of first temperature sensor in to carpenter's grinder carries out real-time supervision, can control solid-state CO when the temperature surpasss the first temperature threshold value of settlement2Injection of solid CO from injection port2The wood sanding machine is cooled by sublimation, so that fire caused by overhigh temperature of the wood sanding machine is prevented.
(2) The utility model discloses a temperature of second temperature sensor in to the dust remover carries out real-time supervision, can control the fire control shower head spray fire water on dust remover upper portion when the temperature surpasses the second temperature threshold value of settlement, prevents that the dust remover high temperature from leading to the conflagration to take place.
(3) The utility model discloses a two-stage spark detector carries out spark real-time detection to the dusty air current in the upper reaches dust removal tuber pipe, thereby can realize that the spark extinguishes shower head spray fire water and carry out the one-level reply to the spark when one-level spark detector detects the spark, the inside fire control of upper reaches dust removal tuber pipe spray fire water and turn-off carpenter's grinder when all sparks are not extinguished in the one-level reply, namely the second grade spark detector detects the spark, can reduce the risk that the spark in the upper reaches dust removal tuber pipe gets into the downstream dust remover and leads to the explosion.
(4) The utility model discloses be provided with explosion-proof system, can not have the effect at the follow-up safeguard measure and still have the spark to get into promptly the dust remover leads to during the dust deflagration in the dust remover, close the valve plate through the flame proof valve under the impact of explosion pressure wave and prevent that the explosion from stretching to upstream technology, thereby through the isolated protection ash storehouse in dust remover and ash storehouse of rotatory unloading valve, explode through explosion-proof device and release, shut down equipment simultaneously and control the fire-fighting sprinkler head in flame proof valve low reaches and spray fire water, can the effective control condition of a fire.
(5) The utility model discloses an intelligent control interlocking protection system and multistage detection and fire control-temperature protection system, the spark is surveyed and is extinguished the system, fire extinguishing system, explosion-proof system, the interlocking cooperation between the audible-visual alarm device, can carry out the hierarchical intelligence differentiation of condition of a fire according to multistage detection information, and then carry out the intelligent fire prevention explosion-proof protection of pertinence to the condition of a fire of different ranks, the dust that produces in the woodwork surface sand light process has been reduced and spark appears in the dust pelletizing process, the conflagration reaches the risk that takes place dust explosion, thereby the process responsible person can know the alarm signal who detects at every turn through cell-phone and audible-visual alarm device in time and can in time overhaul equipment according to the demand, thereby can realize that efficiency is higher, safer intellectuality, automation, the spark of informationization is surveyed and conflagration fire control.
Drawings
Fig. 1 is a schematic structural diagram of a spark detection and fire fighting system for a woodworking sanding process according to the present invention in a specific embodiment.
Fig. 2 is a schematic diagram of three protective measures of the spark detection and fire fighting system for the woodworking sanding process of the present invention.
In the figure, 1-carpenter sander, 2-sander dust collecting cover, 3-1-upstream dust removing air pipe, 3-2-downstream dust removing air pipe, 4-first-stage spark detector, 5-second-stage spark detector, 6-spark extinguishing spray header, 7-fire extinguishing spray header, 8-dust remover, 9-flameless explosion pressure relief device, 10-ash bin, 11-rotary blanking valve, 12-fan, 13-acousto-optic alarm device, 14-intelligent control interlocking protection system.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the utility model discloses a carpenter is spark detection and fire control system for sand light technology includes temperature protection system, dust pelletizing system, spark detection and extinguishment system, fire control fire extinguishing system, explosion-proof system, intelligent control interlocking protection system 14, audible and visual alarm device 13. The woodworking sanding process uses a woodworking sanding machine 1 to sand, wherein one side of the woodworking sanding machine 1 is an upstream side, and one side of a fan 12 is a downstream side.
The temperature protection system comprises a first temperature sensor, a second temperature sensor and solid CO2An ejection port; the first temperature sensor, solid CO2The jet orifices are all arranged inside the woodworking sanding machine 1, and the solid CO is2The injection port is opened through a quick valve and solid CO2Delivery hose connection, said solid CO2Conveying hose and solid CO2The storage tank is connected.
The dust removal system comprises a dust collection cover 2 of the sander, dust removal air pipes, a dust remover 8, an ash bin 10, a fan 12 and a differential pressure sensor, wherein the dust removal air pipes comprise an upstream dust removal air pipe 3-1 and a downstream dust removal air pipe 3-2, the dust remover 8 is provided with an air inlet in a dirty chamber and an air outlet in a clean chamber, the dust remover 8 is provided with an ash bucket at the lower part, and the ash bucket is provided with an ash outlet at the lower end; the dust inlet of sander dust hood 2 is installed on the dust collecting port of woodworking sander 1, upstream dust removal air pipe 3-1 is connected with the dust outlet of sander dust hood 2 at one end, is connected with the air inlet of dust remover 8 at the other end, the dust outlet of dust remover 8 is just right the dust inlet of ash bin 10, downstream dust removal air pipe 3-2 is connected with the gas outlet of dust remover 8 at one end, is connected with the air inlet of fan 12 at the other end, differential pressure sensor's first pressure interface, second pressure interface are fixed respectively the air inlet of dust remover 8 on the gas outlet of dust remover 8, second temperature sensor sets up inside dust remover 8. Wherein, the air outlet of the dust remover 8 is connected with the fan 12 to ensure the negative pressure state of the dust removing system.
The spark detection and extinguishing system comprises a primary spark detector 4, a spark extinguishing spray header 6, a spark extinguishing water pipe and a secondary spark detector 5; the device comprises a primary spark detector 4, a spark extinguishing spray header 6 and a secondary spark detector 5, wherein the primary spark detector, the spark extinguishing spray header 6 and the secondary spark detector 5 are sequentially installed on an upstream dust removal air pipe 3-1 along the air flow direction, the spark extinguishing spray header 6 is connected with a spark extinguishing water pipe through a hose, a first electromagnetic valve and a first pressure switch are sequentially arranged on the spark extinguishing water pipe along the water flow direction, and the spark extinguishing water pipe is connected with a fire water source.
The fire-fighting system comprises a plurality of fire-fighting spray headers 7 and a plurality of fire-fighting water pipes; 1 inside carpenter grinder the dust removal tuber pipe inside 8 upper portions of dust remover the ash bucket is inside the ash bin 10 is inside all to be equipped with a plurality of fire control shower heads 7, a plurality of fire water pipe, fire control shower head 7 pass through the hose with fire water piping connection, fire water pipe is last to have set gradually second solenoid valve, second pressure switch along the rivers direction, fire water pipe is connected with the fire water source.
The explosion-proof system comprises an explosion-proof device and an explosion venting device, wherein the explosion-proof device comprises an explosion-proof valve and a rotary blanking valve 11, the explosion venting device comprises a flameless explosion pressure relief device 9 arranged on the outer wall of the dust remover 8 when the dust remover 8 works indoors, and the explosion venting device comprises an explosion venting plate arranged on the outer wall of the dust remover 8 when the dust remover 8 works outdoors; the explosion-proof valve is arranged on the upstream dust removal air pipe 3-1 at a position which is at least 3m away from the air inlet of the dust remover 8, and the rotary blanking valve 11 is arranged on the ash outlet of the dust remover 8. Wherein, the ash outlet of the dust remover 8 is connected with the ash bin 10 through the rotary discharge valve 11, so that continuous and safe ash discharge can be ensured. In this embodiment, the dust remover 8 works indoors, and the explosion venting device includes a flameless explosion pressure relief device 9 arranged on the outer wall of the dust remover 8.
The intelligent control interlocking protection system 14 is an upper computer; the output of first temperature sensor the output of second temperature sensor the control collector output of one-level spark detector 4 the control collector output of second grade spark detector 5 the output of differential pressure sensor all with intelligent control interlocking protection system 14's input electricity is connected, intelligent control interlocking protection system 14's output with carpenter's grinder 1 switch the quick open valve first solenoid valve the second solenoid valve the switch of dust remover 8 the switch of fan 12 the audible-visual alarm device 13 electricity respectively is connected, realizes whole carpenter's sanding for the technology spark survey and conflagration fire extinguishing systems's thing networking.
In the embodiment, the probes of the primary spark detector 4 and the secondary spark detector 5 are both mounted on the pipe wall of the upstream dust removal air pipe 3-1 through adapters, and the spark extinguishing spray header 6 is fixed on the inner wall of the upstream dust removal air pipe 3-1 through bolts;
the dust remover 8 is the sack dust remover, the fire-fighting sprinkler head 7 on 8 upper portions of dust remover sets up all sack tops in 8 dust removers, the quantity of the fire-fighting sprinkler head 7 on 8 upper portions of dust remover is enough to cover all sack in 8 dust removers are in order to guarantee the very first time effectively to put out a fire when fire-fighting system is triggered, the sack adopts antistatic material. Furthermore, the dust separator 8 may also be any other dust separator known to the person skilled in the art, such as a cartridge dust separator.
The spark extinguishing spray header 6 comprises a first spark extinguishing spray header and a second spark extinguishing spray header which are sequentially arranged along the direction of air flow, and the connection modes between the spark extinguishing spray header 6 and the spark extinguishing water pipe are two;
the first connection mode is as follows: the spark extinguishing water pipe comprises a first spark extinguishing water pipe and a second spark extinguishing water pipe, the first electromagnetic valve comprises a third electromagnetic valve and a fourth electromagnetic valve, the first pressure switch comprises a third pressure switch and a fourth pressure switch, the first spark extinguishing spray header and the second spark extinguishing spray header are respectively connected with the first spark extinguishing water pipe and the second spark extinguishing water pipe through hoses, the third electromagnetic valve and the third pressure switch are sequentially arranged on the first spark extinguishing water pipe along the water flow direction, and the fourth electromagnetic valve and the fourth pressure switch are sequentially arranged on the second spark extinguishing water pipe along the water flow direction;
the second connection mode is as follows: the one end that the water pipe is extinguish to the spark is kept away from the fire control water source and is set up as tee bend water pipe, first spark extinguish spray header, second spark extinguish spray header pass through the hose respectively with the first siphunculus of tee bend water pipe, second siphunculus are connected, first solenoid valve, first pressure switch set gradually along the rivers direction on the third tee bend pipe of water pipe is extinguish to the spark. In this embodiment, the connection mode between the spark extinguishing shower head 6 and the spark extinguishing water pipe is the second connection mode. Wherein, pressure switch is used for monitoring whether have rivers to pass through in the solenoid valve opens the back water pipe to guarantee that the shower head can in time act blowout effective water smoke when receiving intelligent control interlocking protection system's enabling signal.
In this embodiment, the intelligent control interlock protection system 14 is connected to a mobile phone through wireless communication.
In this embodiment, the dust removal air duct is provided with an inspection opening every 6m, and the inspection opening is in a closed state in the working process of the woodworking sanding machine 1.
In this embodiment, carpenter is spark detection and fire protection system for sand light technology still includes anti-static ground protection device, anti-static ground protection device is at one end ground connection, anti-static ground protection device at the other end respectively with carpenter's grinder 1 dust remover 8 fan 12 welding can effectively prevent to have the static of higher voltage to produce the electric spark and cause the fire explosion accident when discharging.
The utility model discloses a carpenter is spark detection and fire hazard fire extinguishing system for sand light technology adopts three protective measure as shown in figure 2 to carry out fire prevention explosion-proof protection.
The working principle of the spark detection and fire fighting system for the woodworking sanding process of the utility model is described below with the accompanying drawings:
step 1: starting the spark detection and fire fighting system for the woodworking sanding process, and then starting the woodworking sanding machine 1.
Step 2: in the normal working process of the woodworking sanding machine 1, wood dust generated by the woodworking sanding machine 1 forms dust-containing airflow through a sanding machine dust collection cover 2 and enters an upstream dust removal air pipe 3-1, the dust-containing airflow sequentially passes through a first-stage spark detector 4 and a second-stage spark detector 5 and then enters a dust remover 8, the dust remover 8 treats the dust-containing airflow to obtain solid dust and a gas part, the solid dust enters an ash bin 10 through a rotary blanking valve 11, the gas part enters a downstream dust removal air pipe 3-2 through a gas outlet of the dust remover 8, and finally the solid dust is discharged by a fan 12 under negative pressure.
And step 3: temperature in first temperature sensor carries out real-time supervision to carpenter's grinder 1 and gives intelligent control interlocking protection system 14 with the temperature data transmission in carpenter's grinder 1, one-level spark detector 4 carries out spark real-time detection to the dusty air current in upper reaches dust removal tuber pipe 3-1 and converts the light signal that detects into the first electric signal transmission that contains spark quantity and gives intelligent control interlocking protection system 14, second grade spark detector 5 carries out spark real-time detection to the dusty air current in upper reaches dust removal tuber pipe 3-1 behind one-level spark detector 4 and converts the light signal that detects into the second electric signal transmission that contains spark quantity and gives intelligent control interlocking protection system 14, second temperature sensor carries out real-time supervision to the temperature in dust remover 8 and gives intelligent control interlocking protection system 14 with the temperature data transmission in the dust remover 8, the pressure difference sensor monitors the pressure of the air inlet of the dust remover 8 and the pressure of the air outlet of the dust remover 8 in real time and transmits pressure difference data to the intelligent control interlocking protection system 14.
And 4, step 4: the intelligent control interlocking protection system 14 performs spark extinguishing and fire spraying according to the received data:
if the temperature in the woodworking sanding machine 1 exceeds a set first temperature threshold value, the intelligent control interlocking protection system 14 generates and transmits a first control signal to the quick-opening valve to control the quick-opening valve to be opened, wherein the temperature in the woodworking sanding machine exceeds the set first temperature threshold valueSolid CO2Injection of solid CO from injection port2The device is used for quickly cooling, reduces the possibility of spark generation at the source and realizes the first protection of the woodworking sanding process.
If the temperature in the dust remover 8 exceeds a set second temperature threshold, the intelligent control interlocking protection system 14 generates and transmits a second control signal to a second electromagnetic valve connected with a fire-fighting spray header 7 at the upper part of the dust remover 8, the second electromagnetic valve is controlled to be opened, the fire-fighting spray header 7 at the upper part of the dust remover 8 sprays fire-fighting water until the temperature in the dust remover 8 is lower than a set third temperature threshold, and the fire-fighting spray header 7 at the upper part of the dust remover 8 continues to spray fire-fighting water for a minutes.
If the number of sparks in the first detection signal is larger than 0, the intelligent control interlocking protection system 14 generates and transmits a third control signal and a fourth control signal to the sound-light alarm device 13 and the first electromagnetic valve respectively, the first electromagnetic valve is controlled to be opened, the sound-light alarm device 13 performs sound-light alarm, and the sparks extinguish the spray header 6 to spray fire water for b seconds. The secondary spark detector 5 is used for rechecking whether the sparks detected by the primary spark detector 4 are effectively extinguished to extinguish the fire, and if the secondary spark detector 5 does not detect dangerous particles, namely sparks, the system can continue to work normally; if the secondary spark detector 5 detects dangerous particles, that is, the number of sparks in the second detection signal is greater than 0, the sparks detected by the primary spark detector 4 are not effectively extinguished, the intelligent control interlocking protection system 14 generates and transmits a fifth control signal and a sixth control signal to the audible and visual alarm device 13 and a second electromagnetic valve connected with the fire-fighting spray header 7 inside the upstream dust-removing air pipe 3-1, controls the second electromagnetic valve to be opened, the audible and visual alarm device 13 performs audible and visual alarm, the fire-fighting spray header 7 inside the upstream dust-removing air pipe 3-1 sprays fire-fighting water for c seconds, and if the number of sparks in the second detection signal is greater than a set spark number threshold value or the alarm duration of the audible and visual alarm device 13 exceeds a set alarm duration threshold value, the intelligent control interlocking protection system 14 generates and transmits a seventh control signal to the power switch of the woodworking sander 1, and controlling the power switch of the woodworking sanding machine 1 to be turned off, and stopping the woodworking sanding machine 1 for d hours to minimize risks, so that the second protection of the woodworking sanding process is realized.
If spark quantity in first detection signal and the second detection signal all is greater than 0 just still spark gets into after the inside fire-fighting sprinkler head 7 of upstream dust removal tuber pipe 3-1 sprays fire water c seconds dust deflagration in the dust remover 8 leads to dust deflagration in the dust remover 8, explosion proof valve closes the valve plate under the impact of explosion pressure wave and prevents that the explosion from spreading to upstream technology, rotatory unloading valve 11 will dust remover 8 with grey storehouse 10 is isolated, explosion venting device carries out the explosion and releases, intelligent control interlocking protection system 14 generates and transmits eighth control signal for dust remover 8 upper portion, inside the ash bucket, inside grey storehouse 10, the inside second solenoid valve that fire-fighting sprinkler head 7 is connected of downstream dust removal tuber pipe 3-2, simultaneously intelligent control interlocking protection system 14 generates and transmits ninth control signal for the switch of carpenter grinder 1, The switch of dust remover 8 the switch of 12 fan's switch controls the second solenoid valve and opens simultaneous control carpenter grinder 1 dust remover 8 fan 12 shuts down, dust remover 8 upper portion inside the ash bucket the ash storehouse 10 is inside the inside fire control shower head 7 of downstream dust removal tuber pipe 3-2 all sprays fire water until the condition of a fire obtains controlling, and safe responsible person manually closes the fire control shower head 7 in flame proof valve low reaches reduces the probability that secondary explosion takes place, realizes the third protection of carpenter's sand light technology. When the dust remover 8 works outdoors, and the internal pressure of the dust remover 8 is greater than the pressure bearing of the explosion venting sheet, the dust remover 8 releases pressure through the explosion venting sheet. In this embodiment, the dust remover 8 works indoors, the dust remover 8 releases pressure through the flameless explosion pressure release device 9, and the flameless release further prevents the propagation of explosion flames, and reduces destructive power.
The first control signal, the second control signal, the third control signal, the fourth control signal, the fifth control signal, the sixth control signal and the eighth control signal are all start signals, and the seventh control signal and the ninth control signal are all turn-off signals.
If the air inlet of dust remover 8 with pressure differential between the gas outlet of dust remover 8 exceeds the pressure differential threshold value of settlement, then increase the amount of wind of fan 12, if increase behind the amount of wind of fan 12 pressure differential still exceeds the pressure differential threshold value of settlement, then intelligent control interlocking protection system 14 control carpenter grinder 1 dust remover 8 fan 12 shuts down, and is right through the manual work the filter material of dust remover 8 is cleared up and is passed through the inspection port is right the laying dust in the dust removal tuber pipe is cleared up.
The filter material of the cloth bag or filter cylinder type dust collector can be cleaned in a pulse mode, a vibration mode and the like under the general condition, but after long-time use, a cleaning system can be out of work, or dust is firmly attached to the filter material, so that the filter material cannot be automatically cleaned through a conventional way. Therefore, in order to avoid the condition that the filter material is blocked, the pressure is monitored on the two sides of the dust remover, and whether manual cleaning is needed or not is judged according to the pressure difference value of the two sides. Generally, the pressure loss of the dust remover under normal work is about 1000-2000 Pa (based on actual nameplate identification and measurement data), and the pressure difference threshold value can be set at 120% of the normal pressure difference.
In this embodiment, in the step 4, the values of the first temperature threshold and the times a, b, c, and d are all related to the wood type on which the woodworking sanding process acts, and the range of the first temperature threshold is 90 ℃.
In this embodiment, the second temperature threshold is 60 ℃, the third temperature threshold is 40 ℃, a is 1, b is 3, c is 5, and d is 4; the spark extinguishing water pipe and the fire-fighting water pipe guarantee that the internal water pressure is greater than 0.6MPa when in work.
In the step 4, if the number of sparks in the first detection signal exceeds the preset number of sparks, the intelligent control interlocking protection system 14 sends the number of sparks to the mobile phone of the worker responsible for the sanding process in a short message manner; if the number of sparks in the second detection signal exceeds the preset number of sparks, the intelligent control interlocking protection system 14 automatically dials a voice call and simultaneously sends an alarm signal to a mobile phone of a worker sanding process responsible person in a short message mode, so that the responsible person can know the occurrence condition of the process line in real time, and then the worker can clean, overhaul and the like according to the condition.
It is obvious that the above embodiments are only a part of the embodiments of the present invention, and not all of them. The above embodiments are only used for explaining the present invention, and do not constitute a limitation to the scope of the present invention. All other embodiments, which can be derived by those skilled in the art from the above-described embodiments without any creative effort, namely all modifications, equivalents, improvements and the like made within the spirit and principle of the present application, are within the protection scope of the present invention.
Claims (6)
1. The utility model provides a carpenter is spark detection and conflagration fire extinguishing system for sand light technology, carpenter's sand light technology uses carpenter's grinder (1) to sand light, its characterized in that: comprises a temperature protection system, a dust removal system, a spark detection and extinguishing system, a fire-fighting and extinguishing system, an explosion-proof system, an intelligent control interlocking protection system (14) and an audible and visual alarm device (13);
the temperature protection system comprises a first temperature sensor, a second temperature sensor and solid CO2An ejection port; the first temperature sensor, solid CO2The jet orifices are all arranged inside the woodworking sanding machine (1), and the solid CO is2The injection port is opened through a quick valve and solid CO2Delivery hose connection, said solid CO2Conveying hose and solid CO2The storage box is connected;
the dust removal system comprises a dust collection cover (2) of the sander, a dust removal air pipe, a dust remover (8), an ash bin (10), a fan (12) and a differential pressure sensor, wherein the dust removal air pipe comprises an upstream dust removal air pipe (3-1) and a downstream dust removal air pipe (3-2), the dust remover (8) is provided with an air inlet in a dirty room and an air outlet in a clean room, the dust remover (8) is provided with an ash bucket at the lower part, and the ash bucket is provided with an ash outlet at the lower end; the dust inlet of the sander dust collection cover (2) is mounted on the dust collection port of the woodworking sander (1), the upstream dust removal air pipe (3-1) is connected with the dust outlet of the sander dust collection cover (2) at one end and is connected with the air inlet of the dust remover (8) at the other end, the dust outlet of the dust remover (8) is right opposite to the dust inlet of the dust bin (10), the downstream dust removal air pipe (3-2) is connected with the air outlet of the dust remover (8) at one end and is connected with the air inlet of the fan (12) at the other end, the first pressure interface and the second pressure interface of the differential pressure sensor are respectively fixed on the air inlet of the dust remover (8) and the air outlet of the dust remover (8), and the second temperature sensor is arranged inside the dust remover (8);
the spark detection and extinguishing system comprises a primary spark detector (4), a spark extinguishing spray header (6), a spark extinguishing water pipe and a secondary spark detector (5); the primary spark detector (4), the spark extinguishing spray header (6) and the secondary spark detector (5) are sequentially installed on an upstream dust removal air pipe (3-1) along the air flow direction, the spark extinguishing spray header (6) is connected with the spark extinguishing water pipe through a hose, a first electromagnetic valve and a first pressure switch are sequentially arranged on the spark extinguishing water pipe along the water flow direction, and the spark extinguishing water pipe is connected with a fire water source;
the fire-fighting system comprises a plurality of fire-fighting spray headers (7) and a plurality of fire-fighting water pipes; a plurality of fire-fighting spray headers (7) and a plurality of fire-fighting water pipes are arranged inside the woodworking sander (1), the dust removal air pipe, the upper part of the dust remover (8), the ash bucket and the ash bin (10), the fire-fighting spray headers (7) are connected with the fire-fighting water pipes through hoses, second electromagnetic valves and second pressure switches are sequentially arranged on the fire-fighting water pipes along the water flow direction, and the fire-fighting water pipes are connected with a fire-fighting water source;
the explosion-proof system comprises an explosion-proof device and an explosion venting device, wherein the explosion-proof device comprises an explosion-proof valve and a rotary blanking valve (11), the explosion venting device comprises a flameless explosion pressure relief device (9) arranged on the outer wall of the dust remover (8) when the dust remover (8) works indoors, and the explosion venting device comprises an explosion venting plate arranged on the outer wall of the dust remover (8) when the dust remover (8) works outdoors; the explosion-proof valve is arranged on the upstream dust removal air pipe (3-1) at a position which is at least 3m away from the air inlet of the dust remover (8), and the rotary blanking valve (11) is arranged on the ash outlet of the dust remover (8);
the intelligent control interlocking protection system (14) is an upper computer; the output of first temperature sensor, the output of second temperature sensor, the control collector output of one-level spark detector (4), the control collector output of second grade spark detector (5), differential pressure sensor's output all with the input electricity of intelligent control interlocking protection system (14) is connected, the output of intelligent control interlocking protection system (14) with the switch of carpenter's grinder (1) the quick-open valve the first solenoid valve the second solenoid valve the switch of dust remover (8) the switch of fan (12) the acousto-optic warning device (13) electricity respectively is connected.
2. The system for spark detection, fire protection and fire protection for the woodworking sanding process as claimed in claim 1, wherein probes of the primary spark detector (4) and the secondary spark detector (5) are mounted on the wall of the upstream dust removal air duct (3-1) through adapters, and the spark extinguishing spray header (6) is fixed on the inner wall of the upstream dust removal air duct (3-1) through bolts;
the dust remover (8) is a bag-type dust remover, the fire-fighting spray headers (7) on the upper portion of the dust remover (8) are arranged above all the bags in the dust remover (8), the fire-fighting spray headers (7) on the upper portion of the dust remover (8) are enough to cover all the bags in the dust remover (8), and the bags are made of anti-static materials.
3. The system for detecting sparks and extinguishing fires for the woodworking sanding process as claimed in claim 1, wherein the spark extinguishing spray header (6) comprises a first spark extinguishing spray header and a second spark extinguishing spray header which are sequentially arranged along the direction of air flow, and the connection modes between the spark extinguishing spray header (6) and the spark extinguishing water pipe are two;
the first connection mode is as follows: the spark extinguishing water pipe comprises a first spark extinguishing water pipe and a second spark extinguishing water pipe, the first electromagnetic valve comprises a third electromagnetic valve and a fourth electromagnetic valve, the first pressure switch comprises a third pressure switch and a fourth pressure switch, the first spark extinguishing spray header and the second spark extinguishing spray header are respectively connected with the first spark extinguishing water pipe and the second spark extinguishing water pipe through hoses, the third electromagnetic valve and the third pressure switch are sequentially arranged on the first spark extinguishing water pipe along the water flow direction, and the fourth electromagnetic valve and the fourth pressure switch are sequentially arranged on the second spark extinguishing water pipe along the water flow direction;
the second connection mode is as follows: the one end that the water pipe is extinguish to the spark is kept away from the fire control water source and is set up as tee bend water pipe, first spark extinguish spray header, second spark extinguish spray header pass through the hose respectively with the first siphunculus of tee bend water pipe, second siphunculus are connected, first solenoid valve, first pressure switch set gradually along the rivers direction on the third tee bend pipe of water pipe is extinguish to the spark.
4. The spark detection and fire fighting system for the woodworking sanding process as claimed in claim 1, wherein the intelligent control interlocking protection system (14) is connected with a mobile phone through wireless communication.
5. The spark detection and fire fighting system for the woodworking sanding process as claimed in claim 1, wherein the dust removal air pipe is provided with an inspection opening every 6m, and the inspection opening is in a closed state during the operation of the woodworking sanding machine (1).
6. The spark detection and fire fighting system for the woodworking sanding process as claimed in claim 1, further comprising an anti-static grounding protection device, wherein the anti-static grounding protection device is grounded at one end, and the anti-static grounding protection device is welded at the other end with the woodworking sanding machine (1), the dust remover (8) and the fan (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286266.1U CN210409319U (en) | 2019-08-09 | 2019-08-09 | Spark detection and fire fighting system for woodworking sanding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286266.1U CN210409319U (en) | 2019-08-09 | 2019-08-09 | Spark detection and fire fighting system for woodworking sanding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210409319U true CN210409319U (en) | 2020-04-28 |
Family
ID=70385464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921286266.1U Active CN210409319U (en) | 2019-08-09 | 2019-08-09 | Spark detection and fire fighting system for woodworking sanding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210409319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339521A (en) * | 2019-08-09 | 2019-10-18 | 汇乐因斯福环保安全研究院（苏州）有限公司 | A kind of carpenter's process for sanding spark detection and fire fire-fighting System and method for |
-
2019
- 2019-08-09 CN CN201921286266.1U patent/CN210409319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339521A (en) * | 2019-08-09 | 2019-10-18 | 汇乐因斯福环保安全研究院（苏州）有限公司 | A kind of carpenter's process for sanding spark detection and fire fire-fighting System and method for |
| CN110339521B (en) * | 2019-08-09 | 2024-04-12 | 汇乐因斯福环保安全研究院（苏州）有限公司 | Spark detection and fire control system and method for woodworking sanding process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205469912U (en) | Print powdered ink partial shipment dust exposion prevention protection system | |
| CN108619810A (en) | A kind of quick-fried safety engineering integrated system of wooden dust high-effective dust-removing control | |
| CN105538169B (en) | System is protected in the dust explosion protection of ball blast abrasive blast equipment | |
| CN108970261A (en) | A kind of explosion-proof type deduster | |
| CN110270032B (en) | Fire prevention and control device of lithium ion battery energy storage system and implementation method | |
| CN105478217B (en) | Grain, feed and granular powder material disintegrating apparatus dust explosion protection protection system | |
| CN112891789A (en) | Fire extinguishing system of battery pack | |
| CN110339521B (en) | Spark detection and fire control system and method for woodworking sanding process | |
| CN110075624A (en) | Explosion-proof dust pelletizing system | |
| CN210409319U (en) | Spark detection and fire fighting system for woodworking sanding process | |
| CN208212761U (en) | A kind of dust explosion protection processing system for Furniture Factory | |
| CN205080713U (en) | Domestic gas leaks security system | |
| CN113082911A (en) | Explosion-proof dust pelletizing system | |
| CN217961666U (en) | Safety monitoring system for explosion-proof dust remover | |
| CN205340384U (en) | Dust collecting equipment fire extinction/protection automatic control device | |
| CN208809649U (en) | A kind of quick-fried safety engineering integrated system of wooden dust high-effective dust-removing control | |
| CN205177052U (en) | Protection control device based on temperature and spark are surveyed | |
| CN211894605U (en) | Dustbin automated inspection extinguishing device | |
| CN213885505U (en) | Explosion-proof energy-saving dust remover system | |
| CN113713290A (en) | Shot blasting and sand blasting metal dust removing flame detection early warning intelligent emergency control fire extinguishing system | |
| CN205287356U (en) | Kitchen fire extinguishing systems | |
| CN210873831U (en) | Automatic combustible dust spark identification, judgment and elimination system | |
| CN210472834U (en) | Oiling machine and filling station with automatic fire extinguishing function | |
| CN216986115U (en) | Shot blasting sand blasting metal dust removing flame detection early warning emergency control fire extinguishing system | |
| CN113281666A (en) | Explosion-proof laboratory of automobile-used power battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |