CN217367723U

CN217367723U - Wood dust explosion-proof dust collector

Info

Publication number: CN217367723U
Application number: CN202220319080.7U
Authority: CN
Inventors: 李三冬
Original assignee: Suzhou Yurenxiang Electrical Technology Co ltd
Current assignee: Suzhou Yurenxiang Electrical Technology Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-09-06
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses an explosion-proof dust collector of wood flour dirt relates to dust collecting equipment technical field, and the intake pipe is linked together with the dust removal case, be provided with the installed part in the intake pipe, the installed part inboard is provided with the spark detector, the spark detector is provided with two, be provided with temperature sensor one and the shower nozzle of putting out a fire on the inner wall of intake pipe, be provided with the flame proof valve in the intake pipe, the last lateral wall fixedly connected with outlet duct of dust removal case, the upper end fixedly connected with fan of outlet duct, the lower extreme of outlet duct is provided with the filter bag. When temperature sensor detects that the intake pipe is interior when temperature is higher, the flame proof valve is closed, locks the fan simultaneously, avoids the high temperature to explode the interior dust of intake pipe, is provided with the cooling water spray board in the inside of dust removal case simultaneously, when temperature sensor two detect the dust temperature when higher, control working shaft through cooling water spray board carry out the water spray cooling, simultaneously effectually carry out the water spray to the dust and adsorb.

Description

Wood dust explosion-proof dust collector

Technical Field

The utility model relates to a dust collecting equipment technical field specifically is to relate to an explosion-proof dust collector of wood flour dirt.

Background

Wooden dust explosion is the very easy accident that takes place and have stronger destructive power of wooden processing trade, because the quality of wooden dust is light, specific surface is big, wood flour dirt floats can have very big contact surface with the oxygen in the air when reaching certain concentration in the air, in case take place the burning, it is very rapid to stretch, because gas and the heat that the intense combustion produced are difficult for scattering, local pressure sharply increases and produce explosion phenomenon, but current explosion-proof dust collecting equipment mechanism is complicated, the treatment effeciency is lower, need waste resources such as great manpower and materials simultaneously in the use.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, provide an explosion-proof dust collector of wood flour dirt, this technical scheme has solved the current explosion-proof dust collecting equipment mechanism that proposes in the above-mentioned background art complicacy, the lower problem of treatment effeciency.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

an explosion-proof dust removal device for wood dust comprises a workbench, a dust removal box is arranged on the workbench, the left side wall of the dust removing box is fixedly connected with an air inlet pipe which is communicated with the dust removing box, the air inlet pipe is provided with a mounting part, the inner side of the mounting part is provided with two spark detectors, the inner wall of the air inlet pipe is provided with a first temperature sensor and a fire extinguishing nozzle which are positioned at the inner sides of the two spark detectors, the gas inlet pipe is provided with an explosion-proof valve which is positioned on the right side of the spark detector on the right side, the upper side wall of the dust removing box is fixedly connected with an air outlet pipe, the upper end of the air outlet pipe is fixedly connected with a fan, the lower end of the air inlet pipe penetrates through the upper side wall of the dust removal box and is communicated with the dust removal box, and the lower end of the air outlet pipe is provided with a filter bag.

Preferably, the right side inner wall fixedly connected with electromagnetic pulse valve of dust removal case, electromagnetic pulse valve external connection has the pulse control appearance, the electromagnetic pulse valve is located the below of filter bag, the upside inner wall fixedly connected with baffle of dust removal case, the baffle is located the left side of electromagnetic pulse valve.

Preferably, the upside inner wall fixedly connected with cooling water spray board and the temperature sensor of dust removal case two, the below of cooling water spray board is provided with the cooling shower nozzle, the front side outer wall fixedly connected with working shaft of dust removal case, the play water end and the cooling shower nozzle of working shaft are linked together.

Preferably, the lower end of the dust removal box is fixedly connected with a dust collection hopper, the dust collection hopper is communicated with the dust removal box, the lower end of the dust collection hopper is provided with an air locking valve and an ash discharging valve, and the ash discharging valve is located below the air locking valve.

Preferably, a water suction pump is fixedly connected to the side wall of the dust hopper, a water suction pipe is fixedly connected to the input end of the water suction pump, and one end, far away from the water suction pump, of the water suction pipe is located in the dust hopper.

Preferably, fixedly connected with electromagnetism deashing valve on the lateral wall of intake pipe, electromagnetism deashing valve is located the right side of flame proof valve, the one end fixedly connected with suction hood of dust removal case is kept away from to the intake pipe.

The utility model discloses in provide an explosion-proof dust collector of wood flour dirt possesses following beneficial effect:

in the utility model, two spark detectors are arranged in the air inlet pipe, the first spark detector detects the existence of sparks in the dust in the air inlet pipe, the fire extinguishing nozzle is controlled to spray water for fire extinguishing operation through external control equipment, the second spark detector detects the second spark detector in a reverse direction, the first temperature sensor is arranged in the air inlet pipe, when the first temperature sensor detects that the temperature in the air inlet pipe is higher, the explosion-proof valve is closed, the fan is locked at the same time, the dust in the air inlet pipe is prevented from being ignited due to overhigh temperature, meanwhile, the temperature-reducing water spray plate is arranged in the dust removal box, when the second temperature sensor detects that the temperature of the dust is higher, the water supply pump is controlled to spray water and reduce the temperature through the temperature-reducing water spray plate, meanwhile, the dust is effectively sprayed and adsorbed, the dust removal efficiency is further improved, the filtering is carried out under the filtering effect of the filter bag, the dust removal treatment on the wood dust is completed, the equipment mechanism and the flow are simple, and the dust treatment efficiency is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of the dust removing device of the present invention;

FIG. 2 is a schematic plan view of the dust removing device of the present invention;

fig. 3 is a schematic cross-sectional view at a in fig. 2.

The reference numbers in the figures are:

1. a work table; 2. a dust removal box; 3. an air inlet pipe; 4. a dust hood; 5. a mounting member; 6. a spark detector; 7. a fire extinguishing nozzle; 8. a first temperature sensor; 9. an explosion-proof valve; 10. an electromagnetic ash removal valve; 11. a cooling water spray plate; 12. a water supply pump; 13. a dust collecting hopper; 14. an air locking valve; 15. an ash discharge valve; 16. a fan; 17. an air outlet pipe; 18. a filter bag; 19. an electromagnetic pulse valve; 20. a water pumping pipe; 21. a water pump; 22. a second temperature sensor; 23. and a baffle plate.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, an explosion-proof dust removing device for wood dust comprises a workbench 1, a dust removing box 2 is arranged on the workbench 1, an air inlet pipe 3 is fixedly connected to the left side wall of the dust removing box 2, an explosion venting device is arranged on the air inlet pipe 3, an explosion venting port on the explosion venting device does not face towards a factory building, does not face towards people and does not face towards equipment, when a certain pressure is exceeded in the dust removing box 2, the explosion venting device automatically vents explosion, meanwhile, a grounding device is arranged on the body of the dust removing box 2, an explosion-proof valve 9 is closed when the equipment is started to have an open flame and the pressure is too high, so that the open flame is prevented from entering a workshop through a pipeline, and more serious accidents are prevented, the air inlet pipe 3 is communicated with the dust removing box 2, an installation part 5 is arranged on the air inlet pipe 3, a spark detector 6 is arranged on the inner side of the installation part 5, the spark detectors 6 are provided with two, a temperature sensor I8 and a fire extinguishing nozzle 7 are arranged on the inner wall of the air inlet pipe 3, when the temperature sensor I8 detects that the temperature in the air inlet pipe 3 is higher than 70 ℃, the flame-proof valve 9 is closed, the fan 16 is locked at the same time, and dust in the air inlet pipe 3 is prevented from being detonated due to overhigh temperature, the temperature sensor I8 and the fire extinguishing nozzle 7 are positioned on the inner sides of the two spark detectors 6, the flame-proof valve 9 is arranged on the air inlet pipe 3, the flame-proof valve 9 is positioned on the right side of the right spark detector 6, the upper side wall of the dust removal box 2 is fixedly connected with an air outlet pipe 17, the upper end of the air outlet pipe 17 is fixedly connected with the fan 16, blades of the fan 16 are made of conductive materials which do not generate sparks during operation, the lower end of the air inlet pipe 3 penetrates through the upper side wall of the dust removal box 2 and is communicated with the dust removal box 2, the lower end of the air outlet pipe 17 is provided with a filter bag 18, the right side inner wall of the dust removal box 2 is fixedly connected with an electromagnetic pulse valve 19, the outside of the electromagnetic pulse valve 19 is connected with a pulse controller, and the electromagnetic pulse valve 19 is positioned below the filter bag 18, a baffle 23 is fixedly connected to the inner wall of the upper side of the dust removal box 2, the baffle 23 is positioned on the left side of the electromagnetic pulse valve 19, the inner wall of the upper side of the dust removal box 2 is fixedly connected with a cooling water spray plate 11 and a temperature sensor II 22, a cooling spray nozzle is arranged below the cooling water spray plate 11, a water supply pump 12 is fixedly connected to the outer wall of the front side of the dust removal box 2, the water outlet end of the water supply pump 12 is communicated with the cooling spray nozzle, the lower end of the dust removal box 2 is fixedly connected with a dust collection hopper 13, the dust collection hopper 13 is communicated with the dust removal box 2, the lower end of the dust collection hopper 13 is provided with a gas locking valve 14 and an explosion suppression valve 15, the explosion suppression valve 15 is positioned below the gas locking valve 14, a water suction pump 21 is fixedly connected to the side wall of the dust collection hopper 13, the input end of the water suction pump 21 is fixedly connected with a water suction pipe 20, one end of the water suction pipe 20, which is positioned in the dust collection hopper 13, an electromagnetic dust suppression valve 10 is fixedly connected to the side wall of the gas inlet pipe 3, and the electromagnetic dust suppression valve 10 is positioned on the right side of the electromagnetic dust valve 9, one end of the air inlet pipe 3 far away from the dust removal box 2 is fixedly connected with a dust hood 4.

The utility model discloses a theory of operation and use flow:

when the dust collection box is used, the fan 16 is turned on, negative pressure is formed in the dust collection box 2 under the action of the fan 16, the dust collection cover is arranged above dust generation equipment, dust is sucked into the air inlet pipe 3 under the action of the negative pressure in the dust collection box 2, sparks exist in the dust in the air inlet pipe 3 detected by the first spark detector 6, the fire extinguishing nozzle 7 is controlled to spray water for fire extinguishing through external control equipment, the dust is detected again in a reverse direction under the action of the second spark detector 6, the temperature sensor I8 is arranged in the air inlet pipe 3, when the temperature sensor I8 detects that the temperature in the air inlet pipe 3 is high, the explosion-proof valve 9 is closed, the fan 16 is locked, the dust in the air inlet pipe 3 is prevented from being ignited due to overhigh temperature, the cooling water spray plate 11 is arranged in the dust collection box 2, and when the temperature sensor II 22 detects that the temperature of the dust is high, the water supply pump 12 is controlled to spray water and reduce the temperature through the temperature reduction water spray plate 11, meanwhile, dust is effectively sprayed and adsorbed, the dust passes through the air inlet pipe 3 and enters the dust removal box 2, the flow velocity is suddenly reduced due to the sudden expansion of the air flow volume, dust with larger particles is settled in the dust collection hopper 13 from the dust-containing air flow under the action of the self weight, other dust particles are retained on the outer wall of the filter bag 18 due to the screening, collision, hooking, diffusion, static electricity and other effects of the filter bag 18, when the dust particles on the outer wall of the filter bag 18 are continuously increased, the resistance in the dust removal box 2 is continuously increased, in order to ensure that the resistance in the dust removal box 2 is controlled in a limited range, the pulse controller sends signals to sequentially open the electromagnetic pulse valve 19, compressed air in the air bag is sprayed to the center of the filter bag 18 from the spray pipe spray holes to form primary air, and ambient air which is several times of the primary air is induced by high-speed air flow to form secondary air entering the filter bag 18, the filter bag 18 is suddenly expanded, the impact action of the reverse pulse airflow disappears quickly, and the filter bag 18 is suddenly contracted, so that the excessive dust particles accumulated on the outer wall of the filter bag 18 are cleaned due to expansion and contraction, and the falling dust enters the dust hopper 13, so that the filter bag 18 is cleaned.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The wood dust explosion-proof dust removal device is characterized by comprising a workbench (1), wherein a dust removal box (2) is arranged on the workbench (1), a left side wall of the dust removal box (2) is fixedly connected with an air inlet pipe (3), the air inlet pipe (3) is communicated with the dust removal box (2), an installation part (5) is arranged on the air inlet pipe (3), a spark detector (6) is arranged on the inner side of the installation part (5), the spark detectors (6) are provided with two, a first temperature sensor (8) and a fire extinguishing nozzle (7) are arranged on the inner wall of the air inlet pipe (3), the first temperature sensor (8) and the fire extinguishing nozzle (7) are positioned on the inner sides of the two spark detectors (6), a flame-proof valve (9) is arranged on the air inlet pipe (3), and the flame-proof valve (9) is positioned on the right side of the right spark detector (6), the side wall fixedly connected with outlet duct (17) go up of dust removal case (2), the upper end fixedly connected with fan (16) of outlet duct (17), intake pipe (3) lower extreme runs through the side wall of going up of dust removal case (2) to be linked together with dust removal case (2), the lower extreme of outlet duct (17) is provided with filter bag (18).

2. The wood dust explosion-proof and dust-removing device of claim 1, which is characterized in that: the right side inner wall fixedly connected with electromagnetic pulse valve (19) of dust removal case (2), electromagnetic pulse valve (19) external connection has the pulse control appearance, electromagnetic pulse valve (19) are located the below of filter bag (18), the upside inner wall fixedly connected with baffle (23) of dust removal case (2), baffle (23) are located the left side of electromagnetic pulse valve (19).

3. The wood dust explosion-proof and dust-removing device of claim 2, which is characterized in that: upside inner wall fixedly connected with cooling water spray plate (11) and two (22) of temperature sensor of dust removal case (2), the below of cooling water spray plate (11) is provided with the cooling shower nozzle, the front side outer wall fixedly connected with working shaft (12) of dust removal case (2), the play water end and the cooling shower nozzle of working shaft (12) are linked together.

4. The wood dust explosion-proof and dust-removing device of claim 3, which is characterized in that: the dust collecting device is characterized in that a dust collecting hopper (13) is fixedly connected to the lower end of the dust removing box (2), the dust collecting hopper (13) is communicated with the dust removing box (2), an air locking valve (14) and an ash discharging valve (15) are arranged at the lower end of the dust collecting hopper (13), and the ash discharging valve (15) is located below the air locking valve (14).

5. The wood dust explosion-proof and dust-removing device of claim 4, which is characterized in that: fixedly connected with suction pump (21) on the lateral wall of dust hopper (13), the input fixedly connected with drinking-water pipe (20) of suction pump (21), the one end that drinking-water pipe (20) kept away from suction pump (21) is located dust hopper (13).

6. The wood dust explosion-proof and dust-removing device of claim 1, which is characterized in that: fixedly connected with electromagnetism deashing valve (10) on the lateral wall of intake pipe (3), electromagnetism deashing valve (10) are located the right side of flame proof valve (9), the one end fixedly connected with suction hood (4) of dust removal case (2) are kept away from in intake pipe (3).