CN211245986U - Multistation carpenter dust removal explosion-proof equipment - Google Patents
Multistation carpenter dust removal explosion-proof equipment Download PDFInfo
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- CN211245986U CN211245986U CN201922032433.6U CN201922032433U CN211245986U CN 211245986 U CN211245986 U CN 211245986U CN 201922032433 U CN201922032433 U CN 201922032433U CN 211245986 U CN211245986 U CN 211245986U
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Abstract
The utility model discloses a multistation carpenter dust removal explosion-proof equipment, relates to the dust removal explosion-proof field, including draught fan, exhaust pipe, pulse sack dust collector and dust collection main pipe, is equipped with a plurality of spark detectors on the dust collection main pipe, the spark detector includes the spark probe, the spark probe is inserted and established to the dust collection main pipe inside; be equipped with high pressure water jet equipment on the collection dirt trunk line of spark detector downwind direction, high pressure water jet equipment is including the trunk line that supplies water, and the water source is connected to the water supply end of trunk line that supplies water, and the play water end of trunk line that supplies water is connected with a plurality of water supply branch pipes of establishing ties side by side, is equipped with high-pressure plunger pump on the trunk line that supplies water, is equipped with the fog bubble nozzle at the play water end of water supply branch pipe, and the fog bubble nozzle is located collection dirt trunk line, high-pressure plunger pump and spark detector electric connection. The utility model discloses a spark hidden danger in the dust removal explosion-proof equipment can be in time and eliminate the exhaust gas duct, and is practical reliable, has improved the security of equipment greatly.
Description
Technical Field
The utility model relates to a large-scale, multistation discharge carpenter dust waste gas recovery administers technical field, specifically says that one kind through set up spark detector and temperature-sensing ware on trunk line and dust collector, when surveying way spark or temperature anomaly, starts extinguishing device's technique, can realize the long-term safe operation of dust collector.
Background
A large furniture factory is a main industry polluted by dust and waste gas, has the characteristics of large dust discharge amount and multiple discharge stations, and is an important dust discharge control point in the processes of precision sawing, edge banding machines, milling machines, transfer printing machines and the like of the furniture factory. Aiming at the recovery and treatment technologies of dust and waste gas discharged at multiple stations, a gas collecting hood or a gas collecting opening is mainly arranged at the discharge position, the waste gas is introduced into a cloth bag dust removing device through a pipeline under the negative pressure action of a draught fan, and the waste gas is discharged after being filtered and dedusted.
In the woodworking dust control system with large discharge capacity and multiple stations in furniture factories, high-speed rotating machines such as precision saws, small/large saws, milling machines, thicknessers and mortising machines exist. If the fire extinguishing treatment is not performed in time, the combustion and explosion are easy to occur in the dust removing system.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model provides a multistation carpenter dust removal explosion-proof equipment.
In order to achieve the purpose, the utility model discloses a following technical scheme realizes:
a multi-station woodworking dust removal explosion-proof device comprises an induced draft fan, a discharge pipeline, a pulse bag dust removal device and a dust collection main pipeline, wherein the induced draft fan is arranged on the discharge pipeline, the input end of the discharge pipeline is connected with the output end of the pulse bag dust removal device, and the input end of the pulse bag dust removal device is connected with the output end of the dust collection main pipeline; a plurality of spark detectors are arranged on the main dust collecting pipeline and comprise spark probes, and the spark probes are inserted into the main dust collecting pipeline; be equipped with high pressure water jet equipment on the collection dirt trunk line of spark detector downwind direction, high pressure water jet equipment is including the trunk line that supplies water, and the water source is connected to the water supply end of trunk line that supplies water, and the play water end of trunk line that supplies water is connected with a plurality of water supply branch pipes of establishing ties side by side, is equipped with high-pressure plunger pump on the trunk line that supplies water, is equipped with the fog bubble nozzle at the play water end of water supply branch pipe, and the fog bubble nozzle is located collection dirt trunk line, high-pressure plunger pump and spark detector electric connection.
Furthermore, the bottom along the length direction of the main dust collecting pipe is connected with a plurality of dust collecting branch pipes which are distributed at intervals, pneumatic valves are arranged on the dust collecting branch pipes, and dust collecting covers are arranged at the bottom ends of the dust collecting branch pipes.
Furthermore, a temperature sensor and one or more fire extinguishers are arranged on the pulse bag dust removal device, each fire extinguisher comprises a fire extinguishing nozzle arranged in the pulse bag dust removal device, and each fire extinguishing nozzle is connected with a trigger; the temperature sensor is fixedly connected to the outside of the pulse bag dust collector, a temperature probe of the temperature sensor is inserted into the pulse bag dust collector, and the temperature sensor is electrically connected with the trigger and linked with the trigger.
Preferably, the fire extinguisher is a dry powder fire extinguisher, and the temperature sensor is a thermocouple type temperature sensor.
Preferably, the spark detector is a ducted infrared spark detector.
Preferably, the mist nozzle is made of stainless steel.
The utility model discloses following beneficial effect has: the utility model discloses a spark hidden danger in dust removal explosion-proof equipment can in time and eliminate the exhaust gas piping, and is practical reliable, has improved the security of equipment greatly, and is concrete:
1. the spark detectors arranged on the main dust collecting pipeline can detect all sparks flowing through the main dust collecting pipeline, and the two spark detectors are arranged at a distance of 1-2 times of the diameter of the pipeline, so that the influence of large-particle woodworking dust on spark shielding is avoided, and 100% of sparks are detected;
2. the high-pressure water spraying device adopts a high-pressure plunger pump with large water supply amount and constant pressure, and is matched with a stainless steel fog bubble nozzle for use, so that sufficient water fog can be sprayed to extinguish a fire when a spark passes through the high-pressure plunger pump;
3. the plurality of fog bubble nozzles connected in series on the water supply branch pipeline are arranged in the dust collection main pipeline in a straight shape and are smaller than the effective fog bubble range of the main pipeline, so that the effective continuity of the spray fire extinguishing section is ensured;
4. if fire disaster happens in the dust removing equipment, the pulse bag dust removing device is influenced inevitably, and because a large amount of woodwork dust is stored in the hopper, explosion is easy to happen, and the fire behavior is enlarged; a temperature sensor, a fire extinguisher and a trigger are arranged on the pulse bag dust collector, so that the aim of rapidly preventing the fire from spreading can be fulfilled.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of the present invention;
FIG. 3 is an enlarged view of a portion of the structure of the present invention;
labeled as: 1. an induced draft fan; 2. a discharge conduit; 3. a pulse bag dust collector; 4. a main dust collecting pipe; 5. a dust collecting branch pipe; 6. a dust collection cover; 7. a spark detector; 701. a spark probe; 8. a high pressure water spray device; 801. a main water supply pipeline; 802. a water storage tank; 803. a water supply branch pipe; 804. a high pressure plunger pump; 805. a mist nozzle; 9. a pneumatic valve; 10. a temperature sensor; 11. a fire extinguisher; 1101. a fire extinguishing nozzle; 12. and a trigger.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or circuit connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
A multistation woodworking dust removal explosion-proof equipment is shown in figures 1-3, and the general structure is as follows:
including draught fan 1, exhaust pipe 2, pulse sack dust collector 3 and collection dirt trunk line 4, wherein, above-mentioned draught fan 1 is installed on exhaust pipe 2, exhaust pipe 2's input is connected with pulse sack dust collector 3's output, pulse sack dust collector 3's input is connected with collection dirt trunk line 4's output, be connected with a plurality of collection dirt branch pipes 5 of interval distribution in the bottom along 4 pipe length directions of collection dirt trunk line, collection dirt 6 is all installed to collection dirt branch pipe 5 bottom, the quantity of collection dirt branch pipe 5 and collection dirt 6 is related to the station quantity that actually exists.
In order to detect whether the main dust collecting pipe 4 has explosion hidden dangers such as sparks and the like, a spark detector 7 is installed on the main dust collecting pipe 4, specifically, the spark detector 7 is fixedly connected to the top of the main dust collecting pipe 4 through bolts, the spark detector 7 comprises a spark probe 701, and the spark probe 701 is inserted into the main dust collecting pipe 4;
further, the spark detector 7 is preferably a pipeline type infrared spark detector, and a plurality of pipelines are arranged on the main dust collecting pipeline 4, so that the problem that large particle wood dust shields sparks to influence detection is avoided, wherein the distance between every two adjacent spark detectors 7 is not less than 1-2 times of the diameter of the pipeline.
As shown in fig. 3, in order to timely cooperate with the spark detector 7 to perform corresponding handling, a high-pressure water spraying device 8 is disposed on the dust collecting main pipe 4 downstream of the spark detector 7, the high-pressure water spraying device 8 includes a water supply main pipe 801, a water storage tank 802 is connected to a water supply end of the water supply main pipe 801, a plurality of (5 shown in the figure) water supply branch pipes 803 connected in series in parallel are connected to a water outlet end of the water supply main pipe 801, a high-pressure plunger pump 804 is installed on the water supply main pipe 801, mist nozzle 805 is installed at water outlet ends of the water supply branch pipes 803, the mist nozzle 805 is located in the dust collecting main pipe 4, and the mist nozzle 805 is preferably made of stainless.
The high-pressure plunger pump 804 is electrically connected to the spark detector 7 and is linked therewith.
Based on the above, the dust collecting branch pipes 5 are respectively provided with a pneumatic valve 9, and the pneumatic valves 9 are used for controlling the dust collecting cover 6 to open or close the dust absorption work generated at the lower station.
Based on the foregoing, as shown in fig. 2, a temperature sensor 10 and one or more fire extinguishers 11 (in the case that the pulse bag dust collector 3 is large in size) are arranged on the pulse bag dust collector 3, the fire extinguishers 11 comprise fire extinguishing nozzles 1101 arranged in a dust collection box of the pulse bag dust collector 3, the fire extinguishing nozzles 1101 are connected with a trigger 12, the fire extinguishers 11 are preferably dry powder fire extinguishers, and the temperature sensor 10 is preferably a thermocouple type temperature sensor.
The temperature sensor 10 is fixedly installed outside a dust removal box of the pulse bag dust removal device 3, a temperature probe of the temperature sensor 10 is inserted into the dust removal box, and the temperature sensor 10 is electrically connected with a trigger 12 of a fire extinguisher 11 and linked with the trigger.
The utility model discloses a dust removal explosion-proof equipment's theory of operation and flow as follows:
(1) under the action of the draught fan 1, negative pressure is generated below each gas-collecting hood, dust-containing waste gas discharged from the workbench is collected, introduced into the pulse bag dust collector 3 through a pipeline, filtered, enters the discharge pipeline 2 and the draught fan 1, and then conveyed to the high altitude of 15m for discharge;
(2) the front and back of the main dust collecting pipe 4 are provided with 2 spark detectors 7, the mounting method is specifically that holes with proper sizes are formed in the pipe, the spark probes 701 are arranged in the main dust collecting pipe 4, preferably, the spark probes are opposite to the center of the pipe, and then relevant leads of the spark probes are led out through the holes, and the holes are sealed by structural adhesive.
(3) The distance between the spark detector 7 and the high-pressure water spraying device 8 is not less than 0.2 Vm (V is the wind speed in the pipeline), and the high-pressure water spraying device 8 is ensured to have enough starting time of 0.2 s;
(4) in the high-pressure water spraying device 8, a high-pressure plunger pump 804 is used for providing power for supplying water and conveying a water source in a water storage tank 802 to a main water supply pipeline 801, a branch water supply pipeline 803 and a fog bubble nozzle 805, wherein the distance between the fog bubble nozzles 805 is smaller than the effective range of fog bubble implementation, and the fog bubble nozzles need to be aligned to the center of the pipeline during installation;
(5) because the high-pressure plunger pump 804 is linked with the spark detector 7, when any spark detector 7 detects a spark, the high-pressure plunger pump 804 is immediately started to provide high-pressure water for the high-pressure water spraying device 8, spray water mist into the pipeline through the stainless steel mist bubble nozzle 805, and extinguish the spark;
(6) installation of fire extinguisher 11: a hole with a proper size is arranged on a hopper at the bottom of a dust removal box of the pulse bag dust removal device 3, a spray nozzle of a dry powder fire extinguisher 11 is arranged in the hopper, and a trigger 12 which is electromagnetically started is led out by a lead and is fixedly arranged on the pulse bag dust removal device 3. If the pulse bag type dust removal device 3 is large in size, a plurality of dry powder fire extinguishers 11 can be arranged, and the effective spraying range of the fire extinguishers 11 can be ensured to fully cover the interior of the dust removal device;
(7) because the temperature sensor 10 is linked with the electromagnetic starting trigger 12 of the dry powder fire extinguisher 11, when the temperature sensor 10 detects that the temperature in the dust removal box is more than 70 ℃, combustion is possible, the electromagnetic starting trigger 12 is rapidly started, the dry powder fire extinguisher 11 sprays dry powder into the hopper and the dust removal box of the pulse bag dust removal device 3, and meanwhile, the fan is operated at a high frequency, the air volume is increased, the dry powder is adsorbed on the bag, the purposes of rapidly extinguishing fire and preventing the fire from spreading are achieved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A multi-station woodworking dust removal explosion-proof device comprises an induced draft fan (1), a discharge pipeline (2), a pulse bag dust removal device (3) and a dust collection main pipeline (4), wherein the induced draft fan (1) is arranged on the discharge pipeline (2), the input end of the discharge pipeline (2) is connected with the output end of the pulse bag dust removal device (3), and the input end of the pulse bag dust removal device (3) is connected with the output end of the dust collection main pipeline (4); the dust collector is characterized in that a plurality of spark detectors (7) are arranged on the main dust collecting pipe (4), each spark detector (7) comprises a spark probe (701), and each spark probe (701) is inserted into the corresponding main dust collecting pipe (4); be equipped with high pressure water jet equipment (8) on spark detector (7) downwind's collection dirt trunk line (4), high pressure water jet equipment (8) are including main water supply line (801), the water source is connected to the water supply end of main water supply line (801), the play water end of main water supply line (801) is connected with a plurality of water supply small transfer line (803) of establishing ties side by side, be equipped with high-pressure plunger pump (804) on main water supply line (801), be equipped with fog bubble nozzle (805) at the play water end of water supply small transfer line (803), fog bubble nozzle (805) are located collection dirt trunk line (4), high-pressure plunger pump (804) and spark detector (7) electric connection and linkage.
2. A multi-station woodworking dust-removing explosion-proof equipment as claimed in claim 1, wherein the bottom of the main dust-collecting pipe (4) in the pipe length direction is connected with a plurality of dust-collecting branch pipes (5) which are distributed at intervals, pneumatic valves (9) are arranged on the dust-collecting branch pipes (5), and dust-collecting hoods (6) are arranged at the bottom ends of the dust-collecting branch pipes (5).
3. A multi-station woodworking dust-removing explosion-proof equipment as claimed in claim 1, wherein a temperature sensor (10) and one or more fire extinguishers (11) are arranged on the pulse bag dust-removing device (3), each fire extinguisher (11) comprises a fire extinguishing nozzle (1101) arranged in the pulse bag dust-removing device (3), and each fire extinguishing nozzle (1101) is connected with a trigger (12); the temperature sensor (10) is fixedly connected to the outside of the pulse bag dust removal device (3), a temperature probe of the temperature sensor (10) is inserted into the pulse bag dust removal device (3), and the temperature sensor (10) is electrically connected and linked with the trigger (12).
4. A multi-station woodworking dust-removing explosion-proof equipment as claimed in claim 3, wherein the fire extinguisher (11) is a dry powder fire extinguisher, and the temperature sensor (10) is a thermocouple type temperature sensor.
5. A multi-station woodworking dust-removing explosion-proof equipment as claimed in claim 1, wherein the spark detector (7) is a pipeline type infrared spark detector.
6. The multi-station woodworking dust-removing explosion-proof equipment as claimed in claim 1, wherein the fog bubble nozzle (805) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032433.6U CN211245986U (en) | 2019-11-22 | 2019-11-22 | Multistation carpenter dust removal explosion-proof equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032433.6U CN211245986U (en) | 2019-11-22 | 2019-11-22 | Multistation carpenter dust removal explosion-proof equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211245986U true CN211245986U (en) | 2020-08-14 |
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ID=71984450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922032433.6U Active CN211245986U (en) | 2019-11-22 | 2019-11-22 | Multistation carpenter dust removal explosion-proof equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211245986U (en) |
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2019
- 2019-11-22 CN CN201922032433.6U patent/CN211245986U/en active Active
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