CN113634073A - Automatic dust removal device for production of nodular cast iron well lid - Google Patents
Automatic dust removal device for production of nodular cast iron well lid Download PDFInfo
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- CN113634073A CN113634073A CN202110866224.0A CN202110866224A CN113634073A CN 113634073 A CN113634073 A CN 113634073A CN 202110866224 A CN202110866224 A CN 202110866224A CN 113634073 A CN113634073 A CN 113634073A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 146
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims abstract description 24
- 238000005266 casting Methods 0.000 claims abstract description 20
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- 238000003825 pressing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
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- 238000009991 scouring Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
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Abstract
The invention relates to an automatic dust removal device for nodular cast iron well lid production, and belongs to the technical field of dust removal. This an automatic dust collector for production of nodular cast iron well lid, including the dust removal case, the interior lower wall of dust removal case is fixed with the base, the upper surface of base is provided with the casting machine, one side of dust removal case is provided with dust absorption mechanism, the top of dust removal case is provided with sprays the mechanism. Through setting up the spray mechanism, use the shower water, reduce the temperature of casting machine on the one hand, accelerate the cooling of casting machine, avoid the subsequent casting machine's of high temperature influence life and cause the pollution to external environment simultaneously, on the other hand subsides the suspended particles thing in the casting machine, fall into in the header tank, the shower water still further plays the scouring action to first filter simultaneously, avoid the too much adhesion of particulate matter to influence filtration efficiency on first filter, guarantee the filter effect of first filter.
Description
Technical Field
The invention belongs to the technical field of dust removal, and relates to an automatic dust removal device for nodular cast iron well lid production.
Background
Waste sand and powdery solid waste dedusting ash are generated in the casting production process. The substances contained in the dust include coal powder, bentonite, paint, resin binder, metal oxide, silicon dioxide powder and the like, and the dust mainly comprises silicon-aluminum, oxides of calcium, magnesium and iron, a small amount of sodium and potassium and the like through chemical component analysis. Researchers have shown that metal pollutants in the fly ash can inhibit the activity of microorganisms in soil, and the metal pollutants can be randomly stacked to occupy land resources and destroy the ecological environment.
However, the particulate matters in the flue gas of the casting shop are more, and are easy to accumulate in the casting shop, so that the working environment is influenced, the air is polluted, and the lung diseases of workers can be caused. Therefore, the soot must be disposed of in a timely manner.
Disclosure of Invention
The invention aims to provide an automatic dust removal device for production of a nodular cast iron well lid.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an automatic dust collector for production of nodular cast iron well lid, includes the dust removal case, the interior lower wall of dust removal case is fixed with the base, the upper surface of base is provided with the casting machine, one side of dust removal case is provided with dust absorption mechanism, the top of dust removal case is provided with sprays the mechanism.
According to the preferred technical scheme, the automatic dust removal device for the nodular cast iron well lid production comprises a dust collection pipe located on the inner side wall of a dust removal box, one end of the dust collection pipe extends into the dust removal box and is fixedly provided with a dust collection port, the other end of the dust collection pipe is connected with a second filter plate in an inserted mode, the upper wall and the lower wall of the dust collection pipe are provided with clamping mechanisms, the second filter plate is connected onto the dust collection pipe in an inserted mode through the clamping mechanisms, and a dust collection fan is fixed on the dust collection pipe.
According to the preferred technical scheme, the automatic dust removal device for the nodular cast iron well lid production comprises a water tank located on the outer side of a dust removal box, a water suction pump is arranged on the water tank, a main water pipe is arranged at the upper end of the water tank, a secondary water pipe is transversely arranged at the upper end of the main water pipe, the main water pipe and the secondary water pipe are L-shaped, a plurality of water inlet pipes are arranged on the lower surface of the secondary water pipe, the water inlet pipes extend into the dust removal box and are provided with spray heads, a flow adjusting plate is movably inserted into the water inlet pipes, a limiting block is fixed on one side wall of each water inlet pipe, an electric telescopic rod is fixed after the flow adjusting plate penetrates through the limiting blocks and the side wall of each water inlet pipe, and the fixed end of the electric telescopic rod is fixedly connected with the upper surface of the dust removal box through a connecting column.
According to the preferred technical scheme of the automatic dust removal device for the nodular cast iron well lid production, the spray head comprises a primary water pipe located below a water inlet pipe, the upper end of the primary water pipe is in threaded connection with the water inlet pipe, a third filter plate is fixed in the primary water pipe, a sealing ring is sleeved at the connection position of the primary water pipe and the water inlet pipe, the primary water pipe is wide at two ends and narrow in the middle, a micro water pump is fixed in the upper end of the primary water pipe, a secondary water pipe is arranged at the lower end of the primary water pipe, and a sealing gasket is arranged at the connection position of the primary water pipe and the secondary water pipe.
According to the preferred technical scheme of the automatic dust removal device for the production of the nodular cast iron well lid, the clamping mechanism comprises a limiting groove arranged on the inner wall of the dust collection pipe, a plurality of supporting springs are fixed in the limiting groove, limiting plates are fixed on two sides above the limiting groove, a filter plate hole is formed in the upper wall of the dust collection pipe, the second filter plate penetrates through the rear part of the filter plate hole and is connected in the limiting groove in an inserted mode, a pressing plate is hinged to one side of the upper wall of the dust collection pipe, a clamping groove is formed in the other side of the upper wall of the dust collection pipe, and a clamping block matched with the clamping groove is fixed on the lower surface of the pressing plate.
According to the preferred technical scheme of the automatic dust removal device for the nodular cast iron well lid production, the base is trapezoidal, the water collection tanks are arranged on two sides of the base, the first filter plates are fixed in the water collection tanks, one sides of the water collection tanks are connected with the side wall of the base in an attaching mode, the other sides of the water collection tanks are provided with the fixing mechanisms, and the water collection tanks are connected with the inner side wall of the dust removal tank in an attaching mode through the fixing mechanisms.
According to the preferred technical scheme of the automatic dust removal device for the nodular cast iron well lid production, the fixing mechanism comprises a clamping groove located on the inner side wall of the dust removal box, a clamping block matched with the clamping groove is fixed on the side wall of the water collection box, and the clamping block is inserted into the clamping groove.
According to the preferred technical scheme of the automatic dust removal device for the nodular cast iron well lid production, the side wall of the dust removal box is provided with a fixing hole, a fixing rod is inserted into the fixing hole, one side of the water collection box, close to the dust removal box, is provided with a fixing groove, and one end of the fixing rod is inserted into the fixing groove.
As the preferred technical scheme of the automatic dust removal device for the production of the nodular cast iron well lid, an air inlet is formed in one side of the upper wall of the dust removal box.
As the preferred technical scheme of the automatic dust removal device for the nodular cast iron well lid production, the water pump is started to pump water in the water tank into the water inlet pipe, the water is sprayed out through the spray head, the length of the flow adjusting plate in the water inlet pipe is controlled by controlling the electric telescopic rod, the flow of the water in the water inlet pipe is further controlled, the flow velocity of the water is adjusted through the micro water pump, and the interior of the dust removal box is sprayed through the third filter plate to remove dust.
The invention has the beneficial effects that:
(1) through the second filter to the air filtration, open the clamp plate and can change the second filter in the dust absorption pipe, the second filter is changed conveniently, guarantees the filter effect of second filter, can realize improving dust collection efficiency, energy-conservation and improve dust absorption mechanism life.
(2) Through setting up the spray mechanism, use the shower water, reduce the temperature of casting machine on the one hand, accelerate the cooling of casting machine, avoid the subsequent casting machine's of high temperature influence life and cause the pollution to external environment simultaneously, on the other hand subsides the suspended particles thing in the casting machine, fall into in the header tank, the shower water still further plays the scouring action to first filter simultaneously, avoid the too much adhesion of particulate matter to influence filtration efficiency on first filter, guarantee the filter effect of first filter, most particulate matter in the dust removal box can be detached, avoid blockking up first filter.
(3) The flow of the spray water entering the water inlet pipe can be controlled by arranging the flow adjusting plate, and the flow speed of the spray water can be adjusted by the micro water pump.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an automatic dust removal device for nodular cast iron well lid production according to the invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at B of FIG. 1;
FIG. 4 is a schematic view of the connection of the flow control plate of the present invention to the water inlet pipe;
FIG. 5 is a schematic view of the dust suction mechanism of the present invention;
FIG. 6 is an enlarged view of the invention at C of FIG. 5;
in the figure: 1. a dust removal box; 2. a casting machine; 3. a base; 4. a water collection tank; 5. a fixing mechanism; 51. a clamping block; 52. a card slot; 53. a fixing hole; 54. fixing the rod; 55. fixing grooves; 6. a first filter plate; 7. a dust suction mechanism; 71. a dust suction port; 72. a dust collection pipe; 73. a dust collection fan; 74. a second filter plate; 8. a clamping mechanism; 81. a support spring; 82. a limiting plate; 83. a limiting groove; 84. pressing a plate; 85. a filter plate hole; 86. a clamping groove; 87. a clamping block; 9. a spraying mechanism; 91. a water tank; 92. a main water pipe; 93. a water inlet pipe; 94. a flow regulating plate; 95. a limiting block; 96. an electric telescopic rod; 97. a water pump; 98. a secondary water pipe; 10. a spray head; 101. a seal ring; 102. a first-stage water pipe; 103. a secondary water pipe; 104. a gasket; 105. a micro water pump; 106. a third filter plate; 12. an air inlet.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-6, an automatic dust removing device for nodular cast iron well lid production comprises a dust removing box 1, wherein an air inlet 12 is formed in one side of the upper wall of the dust removing box 1, a base 3 is fixed on the inner lower wall of the dust removing box 1, a casting machine 2 is arranged on the upper surface of the base 3, a dust suction mechanism 7 is arranged on one side of the dust removing box 1, and a spraying mechanism 9 is arranged above the dust removing box 1.
Specifically, dust absorption mechanism 7 is including the dust absorption pipe 72 that is located dust removal case 1 inside wall, the one end of dust absorption pipe 72 extends to the inside of dust removal case 1, and is fixed with dust absorption mouth 71, the other end of dust absorption pipe 72 is pegged graft and is had second filter 74, be provided with block mechanism 8 on the last lower wall of dust absorption pipe 72, second filter 74 is pegged graft on dust absorption pipe 72 through block mechanism 8, be fixed with dust absorption fan 73 on the dust absorption pipe 72.
It is specific, spray mechanism 9 is including being located the water tank 91 in the dust removal case 1 outside, be provided with suction pump 97 on the water tank 91, the upper end of water tank 91 is provided with main water pipe 92, main water pipe 92's upper end transversely is provided with inferior water pipe 98, main water pipe 92 is the L type with inferior water pipe 98, inferior water pipe 98's lower surface is provided with a plurality of inlet tube 93, inlet tube 93 extends to the inside of dust removal case 1 and is provided with shower nozzle 10, it has flow control plate 94 to peg graft in the inside activity of inlet tube 93, a lateral wall of inlet tube 93 is fixed with stopper 95, flow control plate 94 runs through the lateral wall after-fixing that stopper 95 and inlet tube 93 and is equipped with electric telescopic handle 96, electric telescopic handle 96's stiff end passes through the last fixed surface of spliced pole and dust removal case 1 and is connected.
In this embodiment, the flow rate of the shower water entering the water inlet pipe 93 can be controlled by providing the flow adjusting plate 94, and the flow rate of the shower water can be adjusted by the third filter 106.
In this embodiment, spray mechanism 9 through setting up, use the shower water, reduce casting machine 2's temperature on the one hand, accelerate casting machine 2's cooling, avoid the subsequent casting machine 2's of high temperature influence life and cause the pollution to the external environment simultaneously, on the other hand subsides the suspended particles thing in casting machine 2, fall into header tank 4, the shower water still further plays the scouring action to first filter 6 simultaneously, avoid the too much adhesion of particulate matter to influence filtration efficiency on first filter 6, guarantee the filter effect of first filter 6, can detach most particulate matter in dust removal case 1, avoid blockking up first filter 6.
Specifically, the shower nozzle 10 is including the one-level water pipe 102 that is located the inlet tube 93 below, the upper end and the inlet tube 93 threaded connection of one-level water pipe 102, one-level water pipe 102 internal fixation has third filter 106, the junction cover of one-level water pipe 102 and inlet tube 93 is equipped with sealing washer 101, one-level water pipe 102 is the wide middle part in both ends narrow, the upper end internal fixation of one-level water pipe 102 has miniature pump 105, the lower extreme of one-level water pipe 102 is provided with second grade water pipe 103, the junction of one-level water pipe 102 and second grade water pipe 103 is provided with sealed the pad 104, can prevent the leakage of water through being provided with sealing washer 101 and sealed pad 104, strengthens the effect of removing dust.
Specifically, the clamping mechanism 8 includes a limiting groove 83 disposed on the inner lower wall of the dust collection pipe 72, a plurality of supporting springs 81 are fixed in the limiting groove 83, limiting plates 82 are fixed on two sides above the limiting groove 83, a filter plate hole 85 is formed in the upper wall of the dust collection pipe 72, the second filter plate 74 penetrates through the filter plate hole 85, the rear portion of the second filter plate is inserted into the limiting groove 83, a pressing plate 84 is hinged to one side of the upper wall of the dust collection pipe 72, a clamping groove 86 is formed in the other side of the upper wall of the dust collection pipe 72, and a clamping block 87 matched with the clamping groove 86 is fixed on the lower surface of the pressing plate 84.
The second filter plate 74 can be fixed in the dust suction pipe 72 by the engaging mechanism 8, air is filtered and then discharged to the outside, and when the filtering effect of the second filter plate 74 is reduced, the second filter plate 74 can be detached and replaced.
Specifically, the base 3 is trapezoidal, the water collecting tanks 4 are arranged on two sides of the base 3, the first filter plates 6 are fixed in the water collecting tanks 4, one side of each water collecting tank 4 is attached to and connected with the side wall of the base 3, the fixing mechanisms 5 are arranged on the other sides of the water collecting tanks 4, the water collecting tanks 4 are attached to and connected with the inner side wall of the dust removing tank 1 through the fixing mechanisms 5, each fixing mechanism 5 comprises clamping grooves 52 located on the inner side wall of the dust removing tank 1, clamping blocks 51 matched with the clamping grooves 52 are fixed on the side wall of each water collecting tank 4, the clamping blocks 51 are inserted into the clamping grooves 52, fixing holes 53 are formed in the side wall of the dust removing tank 1, fixing rods 54 are inserted into the fixing holes 53, one side of each water collecting tank 4, which is close to the dust removing tank 1, one end of each fixing rod 54 is inserted into the fixing grooves 55, and each fixing rod 54 is arranged, the water collecting tank 4 can be fixed on two sides of the base 3, so that the waste water is prevented from flowing into the water collecting tank 4 and leaking;
specifically, start in the water suction inlet pipe 93 of suction pump 97 in with water tank 91, through shower nozzle 10 blowout, come the length of control flow adjusting plate 94 in inlet pipe 93 through control electric telescopic handle 96, and then the flow of control inlet pipe 93 water-logging, the velocity of flow of micro-water pump 105 regulation water sprays the inside of dust removal case 1 behind rethread third filter 106, removes dust.
When the invention is used: the water pump 97 is started to pump water in the water tank 91 into the water inlet pipe 93, the water is sprayed out through the spray head 10, the length of the flow adjusting plate 94 in the water inlet pipe 93 is controlled by controlling the electric telescopic rod 96, the flow of the water in the water inlet pipe 93 is further controlled, the flow velocity of the water is adjusted by the micro water pump 105, and the water is sprayed into the dust removal box 1 through the third filter plate 106 to remove dust; start dust absorption fan 73 simultaneously, collect the dust in the dust removal case 1, the dust of collection is through the filtration of second filter 74, and the external world of discharge, the waste water after spraying simultaneously gets into header tank 4 through the water conservancy diversion of base 3 and the filtration through first filter 6 in, after the water in header tank 4 is full, pulls out dead lever 54 for dead lever 54 and fixed slot 55 relieve the block, alright take out header tank 4.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an automatic dust collector for production of nodular cast iron well lid, includes dust removal case (1), its characterized in that: the interior lower wall of dust removal case (1) is fixed with base (3), the upper surface of base (3) is provided with casting machine (2), one side of dust removal case (1) is provided with dust absorption mechanism (7), the top of dust removal case (1) is provided with sprays mechanism (9).
2. The automatic dust removal device for the production of the nodular cast iron well lid of claim 1 is characterized in that: dust absorption mechanism (7) are including dust absorption pipe (72) that are located dust removal case (1) inside wall, the one end of dust absorption pipe (72) extends to the inside of dust removal case (1), and is fixed with dust absorption mouth (71), the other end of dust absorption pipe (72) is pegged graft and is had second filter (74), be provided with block mechanism (8) on the last lower wall of dust absorption pipe (72), second filter (74) are pegged graft on dust absorption pipe (72) through block mechanism (8), be fixed with dust absorption fan (73) on dust absorption pipe (72).
3. The automatic dust removal device for the production of the nodular cast iron well lid of claim 1 is characterized in that: the spraying mechanism (9) comprises a water tank (91) positioned at the outer side of the dust removing box (1), a water suction pump (97) is arranged on the water tank (91), a main water pipe (92) is arranged at the upper end of the water tank (91), the upper end of the main water pipe (92) is transversely provided with a secondary water pipe (98), the main water pipe (92) and the secondary water pipe (98) are L-shaped, the lower surface of the secondary water pipe (98) is provided with a plurality of water inlet pipes (93), the water inlet pipe (93) extends to the interior of the dust removing box (1) and is provided with a spray head (10), a flow adjusting plate (94) is movably inserted in the water inlet pipe (93), a limiting block (95) is fixed on one side wall of the water inlet pipe (93), the flow adjusting plate (94) penetrates through the side walls of the limiting block (95) and the water inlet pipe (93) and is fixed with an electric telescopic rod (96), the fixed end of the electric telescopic rod (96) is fixedly connected with the upper surface of the dust removal box (1) through a connecting column.
4. The automatic dust removal device for the production of the nodular cast iron well lid of claim 3 is characterized in that: shower nozzle (10) is including one-level water pipe (102) that is located inlet tube (93) below, the upper end and inlet tube (93) threaded connection of one-level water pipe (102), one-level water pipe (102) internal fixation has third filter (106), the junction cover of one-level water pipe (102) and inlet tube (93) is equipped with sealing washer (101), one-level water pipe (102) are both ends wide middle part narrow, the upper end internal fixation of one-level water pipe (102) has miniature pump (105), the lower extreme of one-level water pipe (102) is provided with second grade water pipe (103), the junction of one-level water pipe (102) and second grade water pipe (103) is provided with sealed pad (104).
5. The automatic dust removal device for the production of the nodular cast iron well lid of claim 2 is characterized in that: the clamping mechanism (8) comprises a limiting groove (83) arranged on the inner lower wall of the dust collection pipe (72), a plurality of supporting springs (81) are fixed in the limiting groove (83), limiting plates (82) are fixed on two sides above the limiting groove (83), a filter plate hole (85) is formed in the upper wall of the dust collection pipe (72), the second filter plate (74) penetrates through the rear portion of the filter plate hole (85) and is connected in the limiting groove (83) in an inserting mode, a pressing plate (84) is hinged to one side of the upper wall of the dust collection pipe (72), a clamping groove (86) is formed in the other side of the upper wall of the dust collection pipe (72), and a clamping block (87) matched with the clamping groove (86) is fixed on the lower surface of the pressing plate (84).
6. The automatic dust removal device for the production of the nodular cast iron well lid of claim 1 is characterized in that: base (3) are trapezoidal, the both sides of base (3) are provided with header tank (4), header tank (4) internal fixation has first filter (6), one side of header tank (4) is connected with the lateral wall laminating of base (3), the opposite side of header tank (4) is provided with fixed establishment (5), header tank (4) are connected through the inside wall laminating of fixed establishment (5) and dust removal case (1).
7. The automatic dust removal device for the production of the nodular cast iron well lid of claim 6 is characterized in that: fixed establishment (5) are including being located draw-in groove (52) on dust removal case (1) inside wall, be fixed with fixture block (51) with draw-in groove (52) looks adaptation on the lateral wall of header tank (4), fixture block (51) are pegged graft in draw-in groove (52).
8. The automatic dust removal device for the production of the nodular cast iron well lid of claim 7 is characterized in that: fixed orifices (53) have been seted up on the lateral wall of dust removal case (1), it has dead lever (54) to peg graft on fixed orifices (53), fixed slot (55) have been seted up to one side that header tank (4) are close to dust removal case (1), the one end of dead lever (54) is pegged graft in fixed slot (55).
9. The automatic dust removal device for the production of the nodular cast iron well lid of claim 1 is characterized in that: an air inlet (12) is formed in one side of the upper wall of the dust removing box (1).
10. The automatic dust removal device for the production of the nodular cast iron well lid of claim 3 is characterized in that: start in water suction pump (97) with water tank (91) in water suction inlet tube (93), spout through shower nozzle (10), come the length of control flow control board (94) in inlet tube (93) through control electric telescopic handle (96), and then the flow of control inlet tube (93) water, the velocity of flow of micro-water pump (105) conditioning water, spray the inside of dust removal case (1) behind rethread third filter (106), remove dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110866224.0A CN113634073A (en) | 2021-07-29 | 2021-07-29 | Automatic dust removal device for production of nodular cast iron well lid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110866224.0A CN113634073A (en) | 2021-07-29 | 2021-07-29 | Automatic dust removal device for production of nodular cast iron well lid |
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| CN113634073A true CN113634073A (en) | 2021-11-12 |
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|---|---|---|---|
| CN202110866224.0A Pending CN113634073A (en) | 2021-07-29 | 2021-07-29 | Automatic dust removal device for production of nodular cast iron well lid |
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| CN208614465U (en) * | 2018-08-14 | 2019-03-19 | 张家界汽车配件制造有限责任公司 | A kind of grinding apparatus of machine casting |
| CN110665323A (en) * | 2019-10-26 | 2020-01-10 | 威明环境工程技术(苏州)有限公司 | Waste gas purification treatment system suitable for die casting machine |
| CN210546574U (en) * | 2019-09-02 | 2020-05-19 | 福建汇钜金属制品有限公司 | Automatic dust removal device for production of nodular cast iron well lid |
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2021
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| CN208468113U (en) * | 2018-05-31 | 2019-02-05 | 龙工（福建）挖掘机有限公司 | A kind of workpiece peener equipped with multiple tracks water circulating dust-removing |
| CN208614465U (en) * | 2018-08-14 | 2019-03-19 | 张家界汽车配件制造有限责任公司 | A kind of grinding apparatus of machine casting |
| CN210546574U (en) * | 2019-09-02 | 2020-05-19 | 福建汇钜金属制品有限公司 | Automatic dust removal device for production of nodular cast iron well lid |
| CN110665323A (en) * | 2019-10-26 | 2020-01-10 | 威明环境工程技术(苏州)有限公司 | Waste gas purification treatment system suitable for die casting machine |
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Application publication date: 20211112 |