CN212420935U - Die casting sand blasting machine with flame-retardant and explosion-proof functions - Google Patents

Abstract

The utility model relates to a die casting sand blasting machine with fire-retardant explosion-proof can effectively subside the collection to the dust or the dust particle in the flue gas, adopts the settlement mode that subsides tower and filter tower (wet room coating) combine, can avoid a large amount of dust to remain in the atmosphere; the anti-static coating of the utility model effectively prevents static electricity, avoids potential safety hazard caused by dust adsorption by static electricity, and can prevent safety accidents such as dust explosion and the like; the utility model can effectively settle and filter dust particles in the dust, and avoid the dust carrying harmful dust particles to be discharged into the atmosphere, thereby effectively avoiding the pollution of the dust particles to inflating gas and playing a better role in environmental protection; the utility model discloses a compressed air provides power and follows the blowout of dry powder shower nozzle with the abrasive material of compression dry powder jar, and the dust that the dry powder shower nozzle produced the sand blasting machine during operation is handled, reduces the concentration of dust in the workshop, reduces the possibility that the dust explodes.

Description

Die casting sand blasting machine with flame-retardant and explosion-proof functions

Technical Field

The utility model relates to a dust filtration technology field, concretely relates to die casting sand blasting machine with fire-retardant explosion-proof.

Background

The sand blasting machine is used for blasting the abrasive medium to the surface of a workpiece for impact grinding, removing impurities, variegates and an oxide layer on the surface, and simultaneously coarsening the surface of the abrasive medium to play roles in eliminating residual stress on the surface of a base material and improving the surface hardness of the base material. The sand blasting machine is divided into a pressure feeding type and a suction feeding type according to the spraying mode. The compressed air and the abrasive are mixed and sprayed in the same container, so that the compressed air is fully acted, the air flow and the sand flow are convenient to adjust, the pressure-feed type sand blasting treatment is suitable for large-area treatment and small part sand blasting treatment, the pressure-feed type sand blasting treatment is sand blasting treatment of parts before all covering processing such as electroplating, paint spraying, spraying and the like, the surface of a workpiece is absolutely clean, and meanwhile, the adhesive force of a covering layer on the surface of the workpiece and the corrosion resistance are greatly improved. A large amount of dust is generated in the working process of the sand blasting machine, the main component of the dust is metal, and the gas mixed with the metal dust is discharged into the air to cause serious atmospheric pollution and influence the environmental quality. Although the existing dust settling system has a good settling effect in the process of settling and removing dust or smoke dust particles, the settling system is divided into five-stage settling, so that the equipment has high cost and a complex settling process; meanwhile, most of the existing settling towers adopt a water cooling mode to cool the flue gas, so that the complexity of the process and the overall cost consumption of dust removal are increased. Therefore, based on the above, the invention provides the flame-retardant and explosion-proof die casting sand blasting machine, which reduces the settling cost of smoke dust particles and simplifies the settling process under the condition of ensuring higher smoke dust settling effect, so as to solve the defects of higher smoke dust removal cost and complex process in the prior art and avoid the pollution of smoke dust to the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die casting sand blasting machine with fire-retardant explosion-proof to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a die casting sand blasting machine with fire-retardant explosion-proof, includes sand blasting machine, settling tower and the filter tower that sets gradually from a left side to the right side, the sand blasting machine top is provided with the first dust absorption pipeline rather than the intercommunication, the sand blasting machine bottom is provided with the second dust absorption pipeline rather than the intercommunication, first dust absorption pipeline and second dust absorption pipeline communicate with the one end of main dust absorption pipeline respectively, the other end and the settling tower intercommunication of main dust absorption pipeline, the top of settling tower is provided with the third dust absorption pipeline rather than the intercommunication, third dust absorption pipeline communicates with the top of filter tower, the settling tower middle part is provided with the fourth dust absorption pipeline rather than the intercommunication, fourth dust absorption pipeline communicates with the middle part of filter tower.

Preferably, the sand blasting machine includes the sand blasting machine organism, the inside middle-end setting of sand blasting machine organism is used for carrying the conveyor of die casting, conveyor's top is provided with a plurality of sandblast shower nozzles, and is a plurality of the sandblast shower nozzle with be connected with the compression sand blasting jar through defeated sand pipe, it is a plurality of one side of sandblast shower nozzle all is provided with the dry powder shower nozzle, the dry powder shower nozzle is connected with the compression dry powder jar through advancing the powder pipe, the inside top of sand blasting machine organism is provided with the explosion-proof lamp, be provided with antistatic coating on the inner wall of sand blasting machine organism.

Preferably, the upper part of the settling tower is cylindrical, the lower part of the settling tower is conical funnel-shaped, the bottom of the settling tower is communicated with a slag discharge pipe, a slag discharge valve is arranged on the slag discharge pipe, a slag collection box is arranged at the bottom of the slag discharge pipe, and the slag collection box is arranged on the cart.

Preferably, the filter tower includes filter tower casing and draught fan, the top of filter tower casing is provided with the draught fan, draught fan and filter tower casing intercommunication, the filter tower casing is fixed on the filter tower support, the filter tower casing is square box structure, the top of filter tower casing still is provided with the exhaust duct rather than the intercommunication.

Preferably, the filtering tower shell is internally provided with a defogging layer, a spraying layer, a first filtering layer and a second filtering layer from top to bottom in sequence, the demisting layer is a water filtering plate, the spraying layer comprises a plurality of atomizing spray heads, the plurality of atomizing spray heads are uniformly arranged at one end of the water outlet pipeline, the other end of the water outlet pipeline extends out of the filtering tower shell and is communicated with a water outlet of a submersible pump, a water inlet of the submersible pump is communicated with a reservoir, the submersible pump is arranged in the water storage tank, the water storage tank is arranged on one side of the filtering tower shell, the bottom of the filtering tower shell is provided with a conical funnel, the bottom of the conical funnel is provided with a water outlet, the water outlet is communicated with the reservoir through a pipeline, an exhaust hopper is arranged in the filtering tower shell, the exhaust hopper is positioned between the spraying layer and the conical funnel and communicated with the third dust absorption pipeline.

Preferably, the first filter layer is a plastic water curtain plate, the plastic water curtain plate is wavy, the second filter layer is a filter screen frame, and PP spheroids are filled in the filter screen frame.

Preferably, the outside of the filter tower shell is sequentially provided with a first filter door frame and a second filter door frame from top to bottom, a first protection door is arranged in the first filter door frame, one side of the first protection door is hinged to the first filter door frame through a first hinge, the other side of the first protection door is connected with the first filter door frame through a first bolt in an inserting mode, and a first door handle is arranged on the first protection door.

Preferably, a second protective door is arranged in the second filtering door frame, one side of the second protective door is hinged to the second filtering door frame through a second hinge, the other side of the second protective door is connected with the second filtering door frame through a second bolt in an inserting mode, and a second door handle is arranged on the second protective door.

Compared with the prior art, the utility model discloses a die casting sand blasting machine with fire-retardant explosion-proof can effectively subside the collection to the dust or the dust particle in the flue gas, adopts the settlement mode of settling tower and the combination of filter tower, can avoid a large amount of dust to remain in the atmosphere; the inner wall of the sand blasting machine body of the utility model is provided with the anti-static coating, which effectively prevents the generation of static electricity, avoids the potential safety hazard caused by dust adsorption by static electricity, and can prevent the occurrence of safety accidents such as dust explosion and the like; the utility model can effectively settle and filter dust particles in the dust, and avoid the dust carrying harmful dust particles to be discharged into the atmosphere, thereby effectively avoiding the pollution of the dust particles to inflating gas and playing a better role in environmental protection; the utility model discloses a compressed air provides power and follows the blowout of dry powder shower nozzle with the abrasive material of compression dry powder jar, and the dust that the dry powder shower nozzle produced the sand blasting machine during operation is handled, reduces the concentration of dust in the workshop, reduces the possibility that the dust explodes.

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, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural diagram of a flame-retardant and explosion-proof die casting sand blasting machine of the present invention;

FIG. 2 is a schematic structural diagram of a filtering tower in the flame-retardant and explosion-proof die casting sand blasting machine of the present invention;

fig. 3 is the utility model relates to a filter tower inner structure schematic diagram among die casting sand blasting machine with fire-retardant explosion-proof.

In the drawings:

1. a sand blasting machine; 2. a settling tower; 3. a filtration tower; 4. a first dust extraction duct; 5. a second dust suction duct; 6. a main dust collection duct; 7. a third dust suction duct; 8. a fourth dust suction duct; 9. a slag discharge pipe; 10. a slag discharge valve; 11. a slag collection box; 12. pushing a cart; 13. a filtration column housing; 14. an induced draft fan; 15. a filtration tower support; 16. an exhaust duct; 17. a sandblasting machine body; 18. a conveying device; 19. a sand blasting nozzle; 20. A dry powder spray head; 21. an explosion-proof lamp; 22. a water filter plate; 23. an atomizing spray head; 24. an exhaust hopper; 25. a first filter door frame; 26. a second filter door frame; 27. a water outlet pipeline; 28. a first guard gate; 29. a first hinge; 30. a first latch; 31. a first door handle; 32. a second guard gate; 33. a second hinge; 34. a second bolt; 35. a second door handle; 36. a submersible pump; 37. a reservoir; 38. a conical funnel; 39. a water outlet; 40. a plastic water curtain plate; 41. a filter screen frame; 42. PP spheroids.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a die casting sand blasting machine with fire-retardant explosion-proof, includes sand blasting machine 1, settling tower 2 and the filter tower 3 that sets gradually from a left side to the right side, 1 top of sand blasting machine is provided with rather than the first dust absorption pipeline 4 of intercommunication, 1 bottom of sand blasting machine is provided with rather than the second dust absorption pipeline 5 of intercommunication, first dust absorption pipeline 4 and second dust absorption pipeline 5 communicate with the one end of main dust absorption pipeline 6 respectively, the other end and the settling tower 2 intercommunication of main dust absorption pipeline 6, the top of settling tower 2 is provided with rather than the third dust absorption pipeline 7 of intercommunication, third dust absorption pipeline 7 communicates with the top of filter tower 3, 2 middle parts of settling tower are provided with rather than the fourth dust absorption pipeline 8 that communicates, fourth dust absorption pipeline 8 communicates with the middle part of filter tower 3.

The sand blasting machine 1 in the embodiment comprises a sand blasting machine body 17, a conveying device 18 for conveying die castings is arranged at the middle end inside the sand blasting machine body 17, a plurality of sand blasting nozzles 19 are arranged above the conveying device 18, the sand blasting nozzles 19 are connected with a compressed sand blasting tank through a sand conveying pipe, abrasive materials in the compressed sand blasting tank are sprayed out from the sand blasting nozzles 19 through power provided by compressed air, dry powder nozzles 20 are arranged on one sides of the sand blasting nozzles 19, the dry powder nozzles 20 are connected with the compressed dry powder tank through a powder inlet pipe, the abrasive materials in the compressed dry powder tank are sprayed out from the dry powder nozzles 20 through the power provided by the compressed air, an explosion-proof lamp 21 is arranged at the top end inside the sand blasting machine body 17, an anti-static coating is arranged on the inner wall of the sand blasting machine body 17, the anti-static coating is arranged, static electricity is effectively prevented, and potential safety hazards caused by electrostatic adsorption dust are avoided, can prevent the occurrence of safety accidents such as dust explosion and the like.

In this embodiment, the upper portion of the settling tower 2 is cylindrical, the lower portion of the settling tower 2 is conical funnel-shaped, the bottom of the settling tower 2 is communicated with a slag discharge pipe 9, a slag discharge valve 10 is arranged on the slag discharge pipe 9, a slag collection tank 11 is arranged at the bottom of the slag discharge pipe 9, and the slag collection tank 11 is arranged on a cart 12.

The filter tower 3 in this embodiment includes a filter tower shell 13 and an induced draft fan 14, the induced draft fan 14 is disposed at the top of the filter tower shell 13, the induced draft fan 14 is communicated with the filter tower shell 13, the filter tower shell 13 is fixed on a filter tower support 15, the filter tower shell 13 is of a square box structure, the top of the filter tower shell 13 is further provided with an exhaust pipeline 16 communicated with the filter tower shell 13, the inside of the filter tower shell 13 is sequentially provided with a defogging layer, a spraying layer, a first filter layer and a second filter layer from top to bottom, the defogging layer is a water filtering plate 22, the spraying layer includes a plurality of atomizing nozzles 23, the plurality of atomizing nozzles 23 are uniformly installed at one end of a water outlet pipeline 27, the other end of the water outlet pipeline 27 extends out of the filter tower shell 13 and is communicated with a water outlet of a submersible pump 36, a water inlet of the submersible pump, the submersible pump 36 is installed inside a reservoir 37, the reservoir 37 is arranged on one side of the filter tower shell 13, a cone-shaped funnel 38 is arranged at the bottom of the filter tower shell 13, a water outlet 39 is arranged at the bottom of the cone-shaped funnel 38, and the water outlet 39 is communicated with the reservoir 37 through a pipeline.

In this embodiment, the first filter layer is a plastic water curtain plate 40, the plastic water curtain plate 40 is wavy, and the contact area between the dust mist and the water curtain can be increased by using the wavy plastic water curtain plate 40, so that the filtering efficiency of the dust mist is increased.

The second filter layer in this embodiment is a filter frame 41, and PP spheroids 42 are filled in the filter frame 41. The presence of the PP spheres 42 in the filter tower housing 13 facilitates a sufficient time for the dust to contact the spray water in the scrubber tower, thereby achieving deep mist capture.

An exhaust hopper 24 is arranged inside the filter tower shell 13, the exhaust hopper 24 is positioned between the spraying layer and the conical funnel 38, and the exhaust hopper 24 is communicated with the third dust absorption pipeline 7.

In this embodiment, a first filtering door frame 25 and a second filtering door frame 26 are sequentially arranged outside the filtering tower housing 13 from top to bottom, a first protective door 28 is arranged in the first filtering door frame 25, one side of the first protective door 28 is hinged to the first filtering door frame 25 through a first hinge 29, the first filtering door frame 25 and the first protective door 28 are movably connected through the first hinge 29, the other side of the first protective door 28 is inserted into the first filtering door frame 25 through a first bolt 30, and a first door handle 31 is arranged on the first protective door 28.

In this embodiment, a second protective door 32 is disposed in the second filtering door frame 26, one side of the second protective door 32 is hinged to the second filtering door frame 26 through a second hinge 33, the second filtering door frame 26 and the second protective door 32 are movably connected through the second hinge 33, the other side of the second protective door 32 is inserted into the second filtering door frame 26 through a second bolt 34, and a second door handle 35 is disposed on the second protective door 32.

When the utility model is used, the die castings are placed on the existing conveying device 18, the conveying device 18 conveys the die castings to the sand blasting spray head 19, the grinding material of the compressed sand blasting tank is sprayed out from the sand blasting spray head 19 by providing power through compressed air, the sand blasting spray head 19 carries out sand blasting operation on the die castings on the conveying device 18, meanwhile, the grinding material of the compressed dry powder tank is sprayed out from the dry powder spray head 20 by providing power through compressed air, the dry powder spray head 20 processes the dust generated during the operation of the sand blasting machine, the concentration of the dust in a workshop is reduced, the possibility of dust explosion is reduced, the die castings are ground in the sand blasting machine 1, the die castings generate dust during the grinding process, the draught fan 14 works to enable the dust in the air to enter the settling tower 2 through the first dust suction pipeline 4, the second dust suction pipeline 6 and the main dust suction pipeline 6, when the dust enters the settling tower 2, the natural outdoor air is used for cooling, dust particles in the dust are settled in the settling tower 2, the dust particles with higher specific gravity in the dust are settled in the slag collecting box 11 through the slag discharging pipe 9, after the dust particles with higher specific gravity are settled, the dust enters the filtering tower 3 through the third dust suction pipeline 7 and the exhaust hopper 24, the submersible pump 36 works to pump spray water in the reservoir 37 into the water outlet pipeline 27, the spray water in the water outlet pipeline 27 is sprayed and humidified to form mist through the atomizing nozzle 23 to the inside of the filtering tower 3, so that the dust particles in the filtering tower 3 are settled, the dust particles with higher specific gravity in the dust are settled in the reservoir 37 through the water outlet 39 at the bottom of the conical funnel 38, the other part of the dust is filtered through the PP spherical body 42 and the plastic water curtain plate 40, the dust particles with lower specific gravity in the dust are settled in the filtering tower 37 through the conical funnel 39, the dust particles are settled more thoroughly, and the water mist of the dust is filtered by the water filter plate 22 after the dust is filtered and finally discharged from the exhaust pipeline 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a die casting sand blasting machine with fire-retardant explosion-proof, includes sand blasting machine (1), settling tower (2) and filter tower (3) that set gradually from a left side to the right side, its characterized in that: the top of the sand blasting machine (1) is provided with a first dust absorption pipeline (4) communicated with the sand blasting machine, the bottom of the sand blasting machine (1) is provided with a second dust absorption pipeline (5) communicated with the sand blasting machine, the first dust absorption pipeline (4) and the second dust absorption pipeline (5) are communicated with one end of a main dust absorption pipeline (6) respectively, the other end of the main dust absorption pipeline (6) is communicated with a settling tower (2), the top of the settling tower (2) is provided with a third dust absorption pipeline (7) communicated with the settling tower (2), the third dust absorption pipeline (7) is communicated with the top of a filtering tower (3), the middle of the settling tower (2) is provided with a fourth dust absorption pipeline (8) communicated with the settling tower (2), and the fourth dust absorption pipeline (8) is communicated with the middle of the filtering tower (3).

2. The die casting sand blasting machine with flame retardance and explosion resistance as claimed in claim 1, wherein: the sand blasting machine (1) comprises a sand blasting machine body (17), the conveying device (18) used for conveying die castings is arranged at the inner middle end of the sand blasting machine body (17), a plurality of sand blasting nozzles (19) are arranged above the conveying device (18) and are connected with a compression sand blasting tank through sand conveying pipes, the sand blasting nozzles (19) are multiple in number, one side of each sand blasting nozzle (19) is provided with a dry powder nozzle (20), each dry powder nozzle (20) is connected with the compression dry powder tank through a powder inlet pipe, the inner top of the sand blasting machine body (17) is provided with an explosion-proof lamp (21), and an anti-static coating is arranged on the inner wall of the sand blasting machine body (17).

3. The die casting sand blasting machine with flame retardance and explosion resistance as claimed in claim 1, wherein: the upper portion of the settling tower (2) is cylindrical, the lower portion of the settling tower (2) is conical funnel-shaped, the bottom of the settling tower (2) is communicated with a slag discharge pipe (9), a slag discharge valve (10) is arranged on the slag discharge pipe (9), a slag collection box (11) is arranged at the bottom of the slag discharge pipe (9), and the slag collection box (11) is arranged on a trolley (12).

4. The die casting sand blasting machine with flame retardance and explosion resistance as claimed in claim 1, wherein: the filter tower (3) is including filtering tower casing (13) and draught fan (14), the top of filtering tower casing (13) is provided with draught fan (14), draught fan (14) and filtering tower casing (13) intercommunication, filtering tower casing (13) are fixed on filtering tower support (15), filtering tower casing (13) are square box structure, the top of filtering tower casing (13) still is provided with exhaust duct (16) rather than the intercommunication.

5. The die casting sand blasting machine with flame retardance and explosion resistance as set forth in claim 4, wherein: the utility model discloses a filter tower, including filter tower casing (13), spray tower casing (13) inside from last to having set gradually except that the fog layer, spraying layer, first filter layer, second filter layer, except that the fog layer is water filtering plate (22), spray the layer and include a plurality of atomizer (23), a plurality of the even one end of installing at outlet conduit (27) of atomizer (23), the other end of outlet conduit (27) stretches out the delivery port intercommunication of filter tower casing (13) and immersible pump (36), the water inlet and the cistern (37) intercommunication of immersible pump (36), immersible pump (36) are installed in the inside of cistern (37), cistern (37) set up the one side at filter tower casing (13), the bottom of filter tower casing (13) is provided with toper funnel (38), the bottom of toper funnel (38) is provided with outlet (39), outlet (39) are through pipeline and cistern (37) intercommunication, an exhaust hopper (24) is arranged inside the filtering tower shell (13), the exhaust hopper (24) is positioned between the spraying layer and the conical funnel (38), and the exhaust hopper (24) is communicated with the third dust absorption pipeline (7).

6. The die casting sand blasting machine with flame retardance and explosion resistance as set forth in claim 5, wherein: the first filter layer is a plastic water curtain plate (40), the plastic water curtain plate (40) is wavy, the second filter layer is a filter screen frame (41), and PP spherical bodies (42) are filled in the filter screen frame (41).

7. The die casting sand blasting machine with flame retardance and explosion resistance as set forth in claim 4, wherein: the filter tower comprises a filter tower shell (13), wherein a first filter door frame (25) and a second filter door frame (26) are sequentially arranged outside the filter tower shell from top to bottom, a first protective door (28) is arranged in the first filter door frame (25), one side of the first protective door (28) is hinged to the first filter door frame (25) through a first hinge (29), the other side of the first protective door (28) is connected with the first filter door frame (25) in an inserting mode through a first bolt (30), and a first door handle (31) is arranged on the first protective door (28).

8. The die casting sand blasting machine with flame retardance and explosion resistance as set forth in claim 7, wherein: be provided with second guard gate (32) in second filter door frame (26), one side of second guard gate (32) is passed through second hinge (33) and is filtered door frame (26) articulated with the second, the opposite side of second guard gate (32) is passed through second bolt (34) and is filtered door frame (26) grafting, sets up second door handle (35) on second guard gate (32).

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