CN213137131U

CN213137131U - Multi-unit central dust collection system

Info

Publication number: CN213137131U
Application number: CN202020977497.3U
Authority: CN
Inventors: 汪令尧; 陈翔; 汪宏宇; 汪宏坤
Original assignee: Huawei Home Furnishing Group Co ltd
Current assignee: Huawei Home Furnishing Group Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-05-07
Anticipated expiration: 2030-06-01

Abstract

The utility model relates to a multiunit central authorities dust collecting system, it includes the main air fan, the dust removal case of being connected with the main air fan, the trunk line of being connected with the dust removal case, establish the scraper conveyor in the trunk line, many spinal branchs pipeline with the trunk line intercommunication, establish the transition case on the branch pipeline, establish the glass ball watering shower nozzle in the transition case and the water supply installation who is connected with glass ball watering shower nozzle, the dust collection box is connected with the lower surface of trunk line one side, the dust collecting pipeline of being connected with the dust collection box side, the sack cleaner of being connected with the second fan of dust collecting pipeline. The utility model belongs to the technical field of furniture production dust pelletizing system, it has solved and has had the problem that dust removal effect is poor and have the risk of taking place the conflagration among the current dust removal scheme, the utility model discloses can reduce the risk of taking place the conflagration, and dust removal effect is better.

Description

Multi-unit central dust collection system

Technical Field

The utility model belongs to the technical field of furniture production dust pelletizing system's technique and specifically relates to a multiunit central authorities dust collecting system.

Background

At present, a lot of raw materials are used in the furniture processing and production process, the raw materials need to be subjected to processes such as sawing, milling, planing, grinding and the like, and a lot of wood chips and dust are generated in the processing process. Sawdust and dust are accumulated in a production and processing field, which not only affects the operation of workers, but also causes air pollution and serious fire easily. Therefore, a dust removing system is required to remove the dust.

The existing dust removal is only to simply use a fan and a dust collection pipeline to carry out dust collection operation, most of dust and wood chips can be finally removed and collected in a dust collection box, but fine dust and air can still be discharged to air outside a factory building along with the operation of the fan. Therefore, the dust removal effect is not too good, and the sawdust and dust in the pipeline are easy to cause the ignition of the sawdust in the whole dust collection pipeline and the dust collection box due to sparks generated by a processing machine, so that certain potential safety hazards exist.

The problem that the existing dust removal scheme is poor in dust removal effect and has the risk of fire disasters is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multiunit central authorities dust collecting system, can reduce the risk of conflagration breaing out, and dust removal effect is better to prior art exists not enough.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a multiunit central authorities dust collecting system, including the main air blower, the dust removal case of being connected with the main air blower, the trunk line of being connected with the dust removal case, establish the scraper conveyor in the trunk line, many spinal branchs pipeline with the trunk line intercommunication, establish the transition case on the branch pipeline, establish the glass ball watering shower nozzle in the transition case and the water supply installation who is connected with glass ball watering shower nozzle, be connected the dust collection box with the lower surface of trunk line one side, the dust collecting pipeline of being connected with the dust collection box side, the sack cleaner of being connected with the second fan of dust collecting pipeline.

Through adopting above-mentioned technical scheme, main fan makes and produces air negative pressure in the trunk line, inhales the trunk line through saw-dust and dust in the branch pipe will the factory building in, after gathering in the trunk line, the reuse scraper blade machine scrapes it to the dust collecting tank. Tiny granule continues to be taken out the sack cleaner by dust collecting tube and second fan in, through the gravity dust removal back of sack cleaner and dust collection box, has absorbed dust and saw-dust, and dust removal effect is better, reduces to cause the pollution to the air. In addition, still have glass ball watering shower nozzle and the water supply installation who is connected with this shower nozzle in the transition case among the lateral duct, when saw-dust and dust in the lateral duct take place the burning, the temperature in the lateral duct can rise, and the glass ball of glass ball watering shower nozzle can break, then sprays water, avoids the intensity of a fire to pass through the transition case, has reduced the risk that the conflagration took place.

The present invention may be further configured in a preferred embodiment as: the area of the cross section of the main pipeline is 3 times to 5 times of the area of the cross section of the branch pipeline.

Through adopting above-mentioned technical scheme, the branch pipeline is little than the size of trunk line, can know by the venturi effect, and the velocity of flow of the flowing through branch pipeline of dust and saw-dust can be less than its velocity of flow in the trunk line during the dust absorption. Make in dust, the saw-dust, big particulate matter and billet can be better stay in the trunk line under the action of gravity, dust removal effect is better.

The present invention may be further configured in a preferred embodiment as: the device also comprises a flap valve separating device connected with the bottom surface of the main pipeline, wherein the flap valve separating device is positioned below one side of the scraper conveyor;

the flap valve separating device is communicated with the dust collection box through a pipeline.

Through adopting above-mentioned technical scheme, the speed when enabling dust and saw-dust through flap valve separator slows down once more in flap valve separator's setting, makes the utility model discloses the dust removal effect of utilizing the gravity principle is better.

The present invention may be further configured in a preferred embodiment as: the upper surface of the flap valve separating device comprises a lower charging barrel connected with a main pipeline flange and a flap valve arranged in the lower charging barrel.

Through adopting above-mentioned technical scheme, dust and piece are gathering on the board that turns over of flap valve when passing through the flap valve, reach a certain amount of back messenger flap valve upset to reach the time that makes dust and piece pass through flap valve separator and become long, played better dust removal effect.

The present invention may be further configured in a preferred embodiment as: and a dust suction hose is arranged at one end of the branch pipeline, which is far away from the transition box.

Through adopting above-mentioned technical scheme, artifical usable dust absorption hose's elasticity removes dust absorption hose to dust and saw-dust and produces more position and carry out the dust absorption, makes the utility model discloses a dust absorption effect is better.

The present invention may be further configured in a preferred embodiment as: one end of the dust collection hose is provided with a dust collection cover.

Through adopting above-mentioned technical scheme, the one end of suction hood has set up the suction hood, and the setting up of suction hood makes the area of the entry of dust and saw-dust bigger to reach better dust absorption effect.

The present invention may be further configured in a preferred embodiment as: the dust hood is a conical hood body with the diameter of the lower end surface larger than that of the upper end surface.

Through adopting above-mentioned technical scheme, the setting of the toper cover body makes the upper end and the better connection of hose of suction hood. And when the dust is sucked away, the dust and the wood chips enter the hose upwards along the conical inclined plane in the dust hood.

The present invention may be further configured in a preferred embodiment as: the water supply device comprises a water supply pipeline connected with the glass ball sprinkling nozzle and a water tank for providing water source;

the bottom surface of the water tank is higher than the glass ball sprinkler head.

Through adopting above-mentioned technical scheme, the position of water tank is higher than glass ball watering shower nozzle's position, and when glass ball watering shower nozzle broke because of high temperature, glass ball watering shower nozzle flowed to along water supply pipe in the water tank, and the water spray is put out a fire.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the twice dust removal effect of the main pipeline dust collection box and the bag-type dust collector, the dust removal effect of the utility model is better, and the arrangement of the water supply device, the glass ball sprinkler head and the transition box can spray water to extinguish fire when fire occurs in the branch pipeline, thereby reducing the risk of fire occurrence;

2. the utility model also adopts a scraper and a flap valve dust removal device, the scraper can transfer dust and wood dust, large particles and wood blocks gathered in the main pipeline, and the flap valve dust removal device ensures that the dust removal effect of the utility model is better;

3. the setting of hose and conical integrated cover makes the utility model discloses can take out dust and saw-dust fast away from the position that produces dust and saw-dust many, dust removal effect is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a flap valve separating device according to an embodiment of the present invention.

Fig. 3 is a schematic view for showing the structure of the glass ball sprinkler head.

In the figure, 11, a main fan, 111, a dust removal box, 21, a main pipeline, 22, a scraper conveyor, 31, a branch pipeline, 32, a transition box, 33, a glass ball sprinkling nozzle, 34, a water supply device, 41, a dust collection box, 51, a dust collection pipeline, 61, a second fan, 71, a bag-type dust remover, 23, a flap valve separation device, 231, a blanking cylinder, 232, a flap valve, 321, a dust collection hose, 322, a dust collection cover, 341, a water supply pipeline, 342 and a water tank.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a multi-unit central dust collecting system, mainly by main fan 11, trunk 21, scraper conveyor 22, flap valve separator 23, branch pipe 31, transition case 32, glass ball sprinkler 33, water installation 34, dust collection box 41, dust collecting pipe 51, second fan 61 and sack cleaner 71.

The main fan 11 can be an exhaust fan and is installed on a wall body, the air inlet end of the main fan 11 is also provided with a dust removal box 111, and the exhaust end of the dust removal box 111 is in flange connection or welding with the air inlet short connecting mode of the main fan 11. The dust removal box 111 mainly comprises a box body, and a filter plate, filter cotton and the like which are arranged in the box body. The dust removing box 111 can prevent a small portion of dust from being discharged to the air through the main fan 11. The air inlet end of the dust removing box 111 is communicated with the main pipeline 21, the connection mode of the dust removing box and the main pipeline 21 is flange connection or welding, and the main fan 11 can enable the main pipeline 21 to generate negative pressure.

The main pipeline 21 can be laid on the top of the plant by adopting a rectangular pipeline, and the position is limited by a suspender and a bolt. And the device can also be directly fixed on the wall of a factory building by bolts. The bottom surface of the main pipeline 21 close to one side of the main fan is provided with a through hole for dust and wood dust to fall into the flap valve separating device 23 from the through hole.

The scraper conveyor 22 mainly comprises a rotating shaft installed in the main pipeline 21, chain wheels installed at two ends of the rotating shaft, a driving mechanism connected with two ends of the rotating shaft through a coupler, a scraper chain meshed with the chain wheels, and the like, wherein the driving mechanism can be a belt pulley transmission mechanism and a driving motor. After the scraper conveyor 22 is started, the scrapers on the scraper chain scrape the dust and wood chips gathered on the bottom surface in the main pipeline 21 to the through hole position, and fall from the through hole position.

Referring to fig. 1 and 2, the top of the flap valve separating unit 23 is fixedly connected to the bottom of the main pipe 21 by welding or flange connection. The flap valve separating device 23 comprises a blanking barrel 231 connected with the main pipe 22 in a flange mode and a flap valve 232 arranged in the blanking barrel 231, the blanking barrel 231 is a barrel body with openings at the upper end and the lower end, the upper end of the blanking barrel 231 is connected with the bottom surface of the main pipe 21 in a flange mode, the lower end of the blanking barrel is fixedly connected with the dust collection box 41, and the flap valve 232 is composed of a rotating shaft arranged in the blanking barrel 231 and a plurality of flaps welded on the rotating shaft.

The branch pipe 31 may be a circular pipe, an air inlet end of the branch pipe 31 is located at a position where wood processing equipment or dust is gathered in a factory building, a connection mode between an air outlet end of the branch pipe 31 and a side surface of the main pipe 21 may be flange connection or welding, and an area of a cross section of the main pipe 11 is 3 times to 5 times that of the cross section of the branch pipe 31. The air inlet end of the branch pipe 31 is provided with a dust collection hose 321, the dust collection hose 321 stretches and deforms, and workers in a factory building can adjust the position of the air inlet end of the dust collection hose 321 as required. Further, one end of the dust collection hose 321 is further provided with a dust collection cover 322, and the connection mode between the dust collection cover 322 and the air inlet end of the dust collection hose 321 can be threaded connection or welding. In addition, the dust hood 322 is a conical hood body having a size larger at a lower end surface than at an upper end surface thereof.

Referring to fig. 1 and 3, the transition box 32 is disposed on the branch pipe 31 near the main pipe 21, and two side surfaces of the transition box 32 are respectively fixedly connected to the branch pipe 31. The transition box 32 is provided with a glass ball sprinkler 33, and the glass ball sprinkler 33 is fixedly installed on the top surface in the transition box 32 by bolts and mainly consists of glass balls and sprinklers. The glass ball is a temperature sensing glass ball, when the surface temperature of the glass ball is higher than 68 ℃, the glass ball is broken, water flow is sprayed out from the spray head, and the water inlet end of the glass ball spraying spray head 33 is fixedly connected with the water supply device 34.

And the water supply device 34 comprises a water supply pipeline 341 connected with the glass ball sprinkler 33 and a water tank 342 for providing water source, wherein the water discharge end of the water supply pipeline 341 is fixedly connected with the glass ball sprinkler 33, the water inlet end of the water supply pipeline 341 is connected with the bottom surface of the water tank 342, and the bottom surface of the water tank 342 is higher than the glass ball sprinkler 33, generally, the water tank 342 can be placed at the roof of the factory. When the glass ball sprinkler 33 is broken, water flows through the water supply pipe 341 from the water tank 342 by gravity and then is sprinkled from the sprinkler head of the glass ball sprinkler 33 to extinguish fire.

The dust box 41 may be a sealed box with through holes in its top surface for receiving dust and wood chips falling from the flap valve separating means 23 and through holes in its side surface for communication between the dust collection pipe 51 and the dust box 41. The air inlet end of the dust collecting pipe 51 is fixedly connected with the side surface of the dust collecting box 41 in a flange connection or welding manner, and the other end of the dust collecting pipe is connected with the air inlet of the second fan 61 in a flange connection manner.

The second fan 61 can be a centrifugal fan, an air outlet of the centrifugal fan is connected with an air inlet flange of the bag-type dust collector 71, and the second fan 61 can pump fine dust from the dust collecting pipeline 51 to the bag-type dust collector 71 for dust collection. While the bag-type dust collector 71 can be a pulse bag-type dust collector, it should be understood that if the cost of the enterprise needs to be considered, a common normal-temperature bag-type dust collector can be selected.

The pulse bag-type dust collector mainly comprises a box body, a blowing system, an ash bucket, an ash discharging system and the like. Under the traction of fan power, the pulse bag type dust collector forms a negative pressure environment in the dust collector, at the dust collection pipeline and the dust collection cover opening, so that dust at a dust raising point enters the dust collector under the action of pressure difference, airflow is filtered by a dust collection filter bag, the dust is intercepted on a cloth bag meter, a pulse signal is regularly input to a pulse valve through an pLc controller, and high-pressure air of compressed gas jets the dust adhered on the filter bag meter to collect dust in a dust collection hopper, thereby achieving the purpose of collecting the dust simultaneously

The implementation principle of the embodiment is as follows:

when there is dust and saw-dust to produce in the factory building, whole multiunit central authorities dust collecting system starts, under the fan power traction of main fan 11 and second fan 61, dust and saw-dust are taken out and are separated, dust and saw-dust pass through suction hood 322 in proper order, the soft 321 of dust absorption, the small transfer line 31, transition case 32 and trunk line 21, partly dust and saw-dust and some large particle thing and billet gathering are in trunk line 21, and under scraper conveyor 22's effect, the dust with the gathering, the saw-dust, large particle thing and billet fall to dust collection box 41 through flap valve separator 23, collect. A part of the fine dust particles and wood chips are drawn by the wind of the second fan 61, pass through the dust collecting duct 51 and the second fan 61 in sequence until being absorbed by the bag-type dust collector 71, and then the dust-removed gas is discharged to the air.

When wood is processed by the equipment of the plant, and the sparks cause the wood chips to catch fire, the temperature in the branch pipes 31 rises first, causing the glass balls of the glass ball sprinkler heads 33 to break, and the heads start to sprinkle water under the action of the water flow supplied by the water supply device 34 to prevent the fire from spreading into the main pipe 21.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A multi-unit central dust collection system is characterized in that: the device comprises a main fan (11), a dust removal box (111) connected with the main fan (11), a main pipeline (21) connected with the dust removal box (111), a scraper conveyor (22) arranged in the main pipeline (21), a plurality of branch pipelines (31) communicated with the main pipeline (21), a transition box (32) arranged on the branch pipelines (31), a glass ball sprinkling nozzle (33) arranged in the transition box (32) and a water supply device (34) connected with the glass ball sprinkling nozzle (33), a dust collection box (41) connected with the lower surface of one side of the main pipeline (21), a dust collection pipeline (51) connected with the side surface of the dust collection box (41), a second fan (61) connected with the dust collection pipeline (51) and a bag-type dust collector (71) connected with the second fan (61).

2. A multi-unit central cleaning system as claimed in claim 1, wherein: the area of the cross section of the main pipeline (21) is 3 times to 5 times of the area of the cross section of the branch pipeline (31).

3. A multi-unit central cleaning system as claimed in claim 1, wherein: the device also comprises a flap valve separating device (23) connected with the bottom surface of the main pipeline (21), wherein the flap valve separating device (23) is positioned below one side of the scraper conveyor (22);

the flap valve separating device (23) is communicated with the dust collection box (41) through a pipeline.

4. A multi-unit central cleaning system as claimed in claim 3, wherein: the upper surface of the flap valve separating device (23) comprises a feeding barrel (231) connected with the main pipeline (21) in a flange mode and a flap valve (232) arranged in the feeding barrel (231).

5. A multi-unit central cleaning system as claimed in claim 1, wherein: and a dust suction hose (321) is arranged at one end of the branch pipe (31) far away from the transition box (32).

6. The multi-unit central vacuum system as claimed in claim 5, wherein: one end of the dust collection hose (321) is provided with a dust collection cover (322).

7. The multi-unit central vacuum system as claimed in claim 6, wherein: the dust hood (322) is a conical hood body with the diameter of the lower end surface larger than that of the upper end surface.

8. A multi-unit central cleaning system as claimed in claim 1, wherein: the water supply device (34) comprises a water supply pipeline (341) connected with the glass ball sprinkling nozzle (33) and a water tank (342) for supplying water;

the bottom surface of the water tank (342) is higher than the position of the glass ball sprinkling nozzle (33).