CN111603875A - Waste gas purification treatment device for lost foam casting - Google Patents

Waste gas purification treatment device for lost foam casting Download PDF

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Publication number
CN111603875A
CN111603875A CN202010321910.5A CN202010321910A CN111603875A CN 111603875 A CN111603875 A CN 111603875A CN 202010321910 A CN202010321910 A CN 202010321910A CN 111603875 A CN111603875 A CN 111603875A
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CN
China
Prior art keywords
box body
side wall
ring
filter
screw rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010321910.5A
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Chinese (zh)
Inventor
沈升好
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Fanchang Wannan Valve Casting Co Ltd
Original Assignee
Anhui Fanchang Wannan Valve Casting Co Ltd
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Publication date
Application filed by Anhui Fanchang Wannan Valve Casting Co Ltd filed Critical Anhui Fanchang Wannan Valve Casting Co Ltd
Priority to CN202010321910.5A priority Critical patent/CN111603875A/en
Publication of CN111603875A publication Critical patent/CN111603875A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • B01D47/021Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to the technical field of lost foam casting, and discloses a waste gas purification treatment device for lost foam casting, which comprises a box body, wherein an ash collecting hopper is fixedly arranged at the bottom of the box body, filtered water is arranged above the ash collecting hopper, a blow-off pipe is communicated with the bottom of the ash collecting hopper, the lower end of the blow-off pipe penetrates through the bottom of the box body and extends downwards, a support frame is fixedly arranged at the bottom of the box body, a sludge collecting mechanism is arranged on the surface of the support frame, a filter is communicated with the top of the left side wall of the box body, an air collecting cover is fixedly arranged at the air inlet of the filter, a suction fan is fixedly arranged in the air collecting cover, a connecting pipe is fixedly arranged at the air outlet of the filter, a reciprocating screw rod is transversely arranged in the. This lost foam casting is with exhaust purification processing apparatus can filter the great impurity in the waste gas, avoids its phenomenon that the intake pipe blockked up to appear, and is good to the treatment effect of waste gas.

Description

Waste gas purification treatment device for lost foam casting
Technical Field
The invention relates to the technical field of lost foam casting, in particular to a waste gas purification treatment device for lost foam casting.
Background
At present, domestic lost foam production processes mainly comprise a dry sand lost foam casting process and a resin sand lost foam casting process. Lost foam casting can produce a large amount of black smoke, and its composition mainly has carbon black, benzene class organic substance, little particulate matter, and waste gas can bring great pollution for the air if direct emission, consequently need carry out purification treatment to it, is used for lost foam casting among the prior art to use exhaust gas purification device structure complicated, and the later maintenance is inconvenient moreover.
Wherein the patent number is CN110052579A, discloses a lost foam casting uses exhaust gas purification device, to the lost foam casting among the prior art uses exhaust gas purification device structure complicacy and the inconvenient problem of maintenance, now proposes following scheme, and it includes purifying box and fixed frame, the inside purification tank that is fixed with in bottom of purifying box, one side bottom in purification tank is fixed with the outlet pipe, installs the valve on the outlet pipe, is fixed with solid fixed ring on the inner wall of purifying box, all is fixed with the fixed plate on the both sides inner wall of purifying box, and two fixed plates all are located solid fixed ring's top, and are equipped with the interval between fixed plate and the solid fixed ring, and the equal threaded connection in top of two fixed plates has first bolt, and first bolt runs through the fixed plate setting.
However, the scheme does not have a filtering function, so that the phenomenon of blockage caused by discharging larger impurities into the air inlet pipe easily is caused, and the filtered water cannot be guaranteed to effectively adsorb and settle dust in the air, so that the waste gas treatment effect is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a waste gas purification treatment device for lost foam casting, which can filter larger impurities in waste gas, avoid the phenomenon that an air inlet pipe is blocked, has good treatment effect on the waste gas, and solves the problems that the scheme does not have a filtering function, the larger impurities are easily discharged into the air inlet pipe to easily cause the blocking phenomenon, and the filtered water cannot effectively adsorb and settle dust in the gas, so that the treatment effect on the waste gas is reduced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a waste gas purification treatment device for lost foam casting comprises a box body, wherein an ash collecting hopper is fixedly arranged at the bottom of the box body, filtered water is arranged above the ash collecting hopper, a blow-off pipe is communicated with the bottom of the ash collecting hopper, the lower end of the blow-off pipe penetrates through the bottom of the box body and extends downwards, a support frame is fixedly arranged at the bottom of the box body, a sludge collection mechanism is arranged on the surface of the support frame, a filter is communicated with the top of the left side wall of the box body, an air collection cover is fixedly arranged at an air inlet of the filter, a suction fan is fixedly arranged inside the air collection cover, a connecting pipe is fixedly arranged at an air outlet of the filter, a reciprocating screw rod is transversely arranged inside the box body and above the filtered water, rolling bearings are embedded in the left inner side wall and the right inner side wall of the box body, and two ends, the filter is characterized in that a motor is fixedly arranged on the side wall of the box body, one end of the reciprocating screw rod penetrates through the outside of the box body and is fixedly connected with the output end of the motor, a reciprocating slide block is arranged on the rod wall of the reciprocating screw rod in a sliding manner, limiting slide blocks are fixedly arranged on the front side and the rear side of the reciprocating slide block respectively, limiting slide grooves are formed in the front inner side wall and the rear inner side wall of the box body respectively, the two limiting slide grooves are transversely arranged, the two limiting slide blocks are respectively matched with the two limiting slide grooves, a fixing hole is formed in the upper side of the limiting slide block positioned on the front side, an air inlet pipe is fixedly arranged in the fixing hole, the lower end of the air inlet pipe extends into the interior of filtered water, the upper end of;
the filter includes first casing, second casing and filter screen, the inside of first casing is equipped with solid fixed ring, the filter screen is fixed to be set up in solid fixed ring's inside, the inner wall of first casing just is located solid fixed ring's the fixed first ring that keeps off that is equipped with in left side, the fixed second that is equipped with in inner wall of second casing keeps off the ring, the fixed two ejector pins that are equipped with of left side wall symmetry that keep off the ring of second, two the one end that the second kept off the ring was kept away from to the ejector pin all offsets with solid fixed ring's lateral wall and sets up, be equipped with fastening device between the lateral wall of first casing and second casing.
Preferably, fastening device includes first fixed block, second fixed block, screw rod, spiral ring and hand ring, first fixed block is fixed to be set up on the lateral wall of first casing, the second fixed block is fixed to be set up on the lateral wall of second casing, the screw rod is transversely to be located between first fixed block and the second fixed block, the right-hand member of screw rod and the lateral wall fixed connection of second fixed block, the jack that is used for the screw rod to pass is seted up to the lateral wall of first fixed block, the spiral ring screw thread sets up on the pole wall of screw rod and with the fastening connection between first fixed block and the second fixed block, the hand ring is fixed to be set up on the lateral wall of spiral ring and cup joints with the pole wall activity of screw rod.
Preferably, a rubber ring is fixedly arranged at the joint of the first shell and the second shell.
Preferably, the sludge collection mechanism comprises a collection box, the collection box is located below the sewage discharge pipe, two rows of rollers arranged side by side are arranged at the bottom of the collection box, a rolling groove is formed in the upper surface of the support frame, and the rollers are arranged inside the rolling groove in a rolling mode.
Preferably, the outer wall of the filter is fixedly provided with a fixing frame, and the fixing frame is fixedly arranged on the left side wall of the box body.
Preferably, the suction fan is an axial flow fan.
Preferably, the rolling bearing is a rotary seal bearing.
(III) advantageous effects
Compared with the prior art, the invention provides a waste gas purification treatment device for lost foam casting, which has the following beneficial effects:
1. this lost foam casting waste gas purification processing apparatus, filter through being equipped with, the wind-collecting cover, the suction fan, the connecting pipe, reciprocal lead screw, including a motor, an end cap, a controller, and a cover plate, reciprocal slider, limit slide and intake pipe, the suction fan work, can inhale the inside to the filter with outside waste gas, the filter can filter the impurity in the gas and discharge to the inside of intake pipe through the connecting pipe, the inside to crossing water is discharged to the rethread intake pipe, open motor work simultaneously, the motor can drive reciprocal lead screw rotatory, reciprocal lead screw can make reciprocal slider do left and right reciprocating motion in the inside of box, can get up the crossing water of box inside stirring, can make the dust in the waste gas obtain effectual absorption and subside the inside that falls at the ash collecting bucket.
2. This waste gas purification processing apparatus is used in lost foam casting, through the first casing that is equipped with, the second casing, gu fixed ring, the filter screen, first fender ring, the second keeps off the ring, the ejector pin, first fixed block, the second fixed block, the screw rod, spiro union and manual ring, when needs clear up the filter screen, manual ring is twisted to the staff hand of work, make the spiro union take off from the pole wall of screw rod, then part first casing and second casing, and take out its inside solid fixed ring, the staff of being convenient for clears up the filter screen.
Drawings
FIG. 1 is a schematic structural view of an exhaust gas purification treatment device for lost foam casting according to the present invention;
FIG. 2 is a schematic structural view of a reciprocating slide block and a limiting slide block in the invention;
FIG. 3 is a schematic view of the filter according to the present invention;
fig. 4 is a schematic structural view of the fixing ring and the filter net of the present invention.
In the figure: the device comprises a box body 1, an ash collecting hopper 2, a sewage discharge pipe 3, a support frame 4, a filter 5, a fan housing 6, a suction fan 7, a connecting pipe 8, a reciprocating screw rod 9, a motor 10, a reciprocating slide block 11, a limiting slide block 12, an air inlet pipe 13, a first shell 14, a second shell 15, a fixing ring 16, a filter screen 17, a first retaining ring 18, a second retaining ring 19, a push rod 20, a first fixing block 21, a second fixing block 22, a screw rod 23, a spiral ring 24, a manual ring 25, a collecting box 26, a roller 27, an air outlet pipe 28 and a fixing frame 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a waste gas purification treatment device for lost foam casting comprises a box body 1, an ash collecting hopper 2 is fixedly arranged at the bottom of the box body 1, filtered water is arranged above the ash collecting hopper 2, a blow-off pipe 3 is communicated with the bottom of the ash collecting hopper 2, the lower end of the blow-off pipe 3 penetrates through the bottom of the box body 1 and extends downwards, a support frame 4 is fixedly arranged at the bottom of the box body 1, a sludge collecting mechanism is arranged on the surface of the support frame 4, a filter 5 is communicated with the top of the left side wall of the box body 1, an air collecting cover 6 is fixedly arranged at the air inlet of the filter 5, a suction fan 7 is fixedly arranged inside the air collecting cover 6, the suction fan 7 adopts an axial flow fan, a connecting pipe 8 is fixedly arranged at the air outlet of the filter 5, a reciprocating screw rod 9 is transversely arranged inside the box body 1 and above the filtered water, rolling bearings are embedded in the left and right inner side walls, the rolling bearing is a rotary sealing bearing, a motor 10 is fixedly arranged on the side wall of the box body 1, one end of a reciprocating screw rod 9 penetrates through the outside of the box body 1 and is fixedly connected with the output end of the motor 10, a reciprocating slide block 11 is arranged on the rod wall of the reciprocating screw rod 9 in a sliding manner, limiting slide blocks 12 are fixedly arranged on the front side and the rear side of the reciprocating slide block 11, limiting slide grooves are formed in the front inner side wall and the rear inner side wall of the box body 1 respectively, the two limiting slide grooves are transversely arranged, the two limiting slide blocks 12 are matched with the two limiting slide grooves respectively, a fixing hole is formed in the upper side of the limiting slide block 12 on the front side, an air inlet pipe 13 is fixedly arranged in the fixing hole, the lower end of the air inlet pipe 13 extends into the filtered water, the upper end of;
filter 5 includes first casing 14, second casing 15 and filter screen 17, the inside of first casing 14 is equipped with solid fixed ring 16, filter screen 17 is fixed to be set up in the inside of solid fixed ring 16, the inner wall of first casing 14 and the left side that is located solid fixed ring 16 are fixed and are equipped with first fender ring 18, the inner wall of second casing 15 is fixed and is equipped with second fender ring 19, the left side wall symmetry of second fender ring 19 is fixed and is equipped with two ejector pins 20, the one end that second fender ring 19 was kept away from to two ejector pins 20 all offsets with solid fixed ring 16's lateral wall and sets up, be equipped with fastening device between the lateral wall of first casing 14 and second casing 15.
The fastening mechanism comprises a first fixing block 21, a second fixing block 22, a screw 23, a spiral ring 24 and a manual ring 25, the first fixing block 21 is fixedly arranged on the side wall of the first shell 14, the second fixing block 22 is fixedly arranged on the side wall of the second shell 15, the screw 23 is transversely arranged between the first fixing block 21 and the second fixing block 22, the right end of the screw 23 is fixedly connected with the side wall of the second fixing block 22, the side wall of the first fixing block 21 is provided with a jack for the screw 23 to pass through, the spiral ring 24 is arranged on the rod wall of the screw 23 in a threaded manner and is fixedly connected between the first fixing block 21 and the second fixing block 22, and the manual ring 25 is fixedly arranged on the side wall of the spiral ring 24 and is movably sleeved with the rod wall of the screw 23.
A rubber ring is fixedly arranged at the joint of the first shell 14 and the second shell 15.
The sludge collecting mechanism comprises a collecting box 26, the collecting box 26 is positioned below the sewage discharge pipe 3, two rows of rollers 27 arranged in parallel are arranged at the bottom of the collecting box 26, a rolling groove is formed in the upper surface of the support frame 4, and the rollers 27 are arranged inside the rolling groove in a rolling mode.
The outer wall of the filter 5 is fixedly provided with a fixing frame 29, and the fixing frame 29 is fixedly arranged on the left side wall of the box body 1.
To sum up, the waste gas purification treatment device for lost foam casting is characterized in that when the device is used, the suction fan 7 is turned on to work, external waste gas can be sucked into the filter 5, the filter 5 can filter impurities in the gas and discharge the impurities into the air inlet pipe 13 through the connecting pipe 8, the impurities are discharged into filtered water through the air inlet pipe 13, the motor 10 is turned on to work, the motor 10 can drive the reciprocating screw rod 9 to rotate, the reciprocating screw rod 9 can enable the reciprocating slide block 11 to reciprocate left and right in the box body 1, filtered water in the box body 1 can be stirred, and dust in the waste gas can be effectively adsorbed and settled in the ash collecting hopper 2; when the filter screen 17 needs to be cleaned, a worker can twist the manual ring 25 with his hand to take the screw ring 24 off the rod wall of the screw 23, and then separate the first shell 14 from the second shell 15 and take out the fixing ring 16 inside the first shell, so that the worker can clean the filter screen 17 conveniently.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (7)

1. The utility model provides a lost foam casting is with exhaust purification processing apparatus, includes box (1), its characterized in that: the bottom of the box body (1) is fixedly provided with an ash collecting hopper (2), filtered water is arranged above the ash collecting hopper (2), the bottom of the ash collecting hopper (2) is communicated with a blow-off pipe (3), the lower end of the blow-off pipe (3) penetrates through the bottom of the box body (1) and extends downwards, the bottom of the box body (1) is fixedly provided with a support frame (4), the surface of the support frame (4) is provided with a sludge collecting mechanism, the top of the left side wall of the box body (1) is communicated with a filter (5), an air inlet of the filter (5) is fixedly provided with an air collecting cover (6), the interior of the air collecting cover (6) is fixedly provided with a suction fan (7), an air outlet of the filter (5) is fixedly provided with a connecting pipe (8), a reciprocating screw rod (9) is transversely arranged in the interior of the box body (1) and above the filtered water, and rolling bearings are embedded in the, the two ends of the reciprocating screw rod (9) are rotatably connected with the left inner side wall and the right inner side wall of the box body (1) through rolling bearings, a motor (10) is fixedly arranged on the side wall of the box body (1), one end of the reciprocating screw rod (9) penetrates through the outer part of the box body (1) and is fixedly connected with the output end of the motor (10), a reciprocating slide block (11) is arranged on the rod wall of the reciprocating screw rod (9) in a sliding manner, limit slide blocks (12) are fixedly arranged on the front side and the rear side of the reciprocating slide block (11), limit slide grooves are respectively formed in the front inner side wall and the rear side wall of the box body (1), the two limit slide grooves are transversely arranged, the two limit slide blocks (12) are respectively matched with the two limit slide grooves and are positioned on the front side, fixing holes are formed in the upper side of the limit slide blocks (12), an air inlet pipe (13, the upper end of the air inlet pipe (13) is fixedly connected with one end, far away from the filter (5), of the connecting pipe (8), and the top of the right side wall of the box body (1) is communicated with an air outlet pipe (28);
filter (5) include first casing (14), second casing (15) and filter screen (17), the inside of first casing (14) is equipped with solid fixed ring (16), filter screen (17) are fixed to be set up in the inside of solid fixed ring (16), the inner wall of first casing (14) and the left side that is located solid fixed ring (16) are fixed and are equipped with first fender ring (18), the inner wall of second casing (15) is fixed and is equipped with second fender ring (19), the left side wall symmetry of second fender ring (19) is fixed and is equipped with two ejector pins (20), two the one end that second fender ring (19) were kept away from in ejector pin (20) all offsets with the lateral wall of solid fixed ring (16) and sets up, be equipped with fastening device between the lateral wall of first casing (14) and second casing (15).
2. The exhaust gas purification treatment device for lost foam casting according to claim 1, characterized in that: the fastening mechanism comprises a first fixing block (21), a second fixing block (22), a screw rod (23), a spiral ring (24) and a manual ring (25), the first fixed block (21) is fixedly arranged on the side wall of the first shell (14), the second fixed block (22) is fixedly arranged on the side wall of the second shell (15), the screw rod (23) is transversely positioned between the first fixed block (21) and the second fixed block (22), the right end of the screw rod (23) is fixedly connected with the side wall of the second fixed block (22), the side wall of the first fixed block (21) is provided with a jack for a screw rod (23) to pass through, the screw ring (24) is arranged on the rod wall of the screw rod (23) in a threaded manner and is used for fixedly connecting the first fixing block (21) and the second fixing block (22), the manual ring (25) is fixedly arranged on the side wall of the spiral ring (24) and movably sleeved with the rod wall of the screw rod (23).
3. The exhaust gas purification treatment device for lost foam casting according to claim 1, characterized in that: and a rubber ring is fixedly arranged at the joint of the first shell (14) and the second shell (15).
4. The exhaust gas purification treatment device for lost foam casting according to claim 1, characterized in that: the sludge collection mechanism comprises a collection box (26), the collection box (26) is located below the sewage discharge pipe (3), two rows of rollers (27) arranged in parallel are arranged at the bottom of the collection box (26), a rolling groove is formed in the upper surface of the support frame (4), and the rollers (27) are arranged inside the rolling groove in a rolling mode.
5. The exhaust gas purification treatment device for lost foam casting according to claim 1, characterized in that: the outer wall of the filter (5) is fixedly provided with a fixing frame (29), and the fixing frame (29) is fixedly arranged on the left side wall of the box body (1).
6. The exhaust gas purification treatment device for lost foam casting according to claim 1, characterized in that: the suction fan (7) adopts an axial flow fan.
7. The exhaust gas purification treatment device for lost foam casting according to claim 1, characterized in that: the rolling bearing adopts a rotary sealing bearing.
CN202010321910.5A 2020-04-22 2020-04-22 Waste gas purification treatment device for lost foam casting Withdrawn CN111603875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010321910.5A CN111603875A (en) 2020-04-22 2020-04-22 Waste gas purification treatment device for lost foam casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010321910.5A CN111603875A (en) 2020-04-22 2020-04-22 Waste gas purification treatment device for lost foam casting

Publications (1)

Publication Number Publication Date
CN111603875A true CN111603875A (en) 2020-09-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106483A (en) * 2022-08-02 2022-09-27 扬州大学 Method for processing 304 stainless steel sewage pump pipeline

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205832806U (en) * 2016-07-01 2016-12-28 浙江杰隆环境科技有限公司 A kind of defecator of waste gas purification apparatus
CN206749441U (en) * 2017-04-07 2017-12-15 嵊州市联德汽车空调有限公司 A kind of easy-to-dismount automotive air conditioning filter plate
CN208152964U (en) * 2018-05-08 2018-11-27 窦娅莉 A kind of sieve residue log environmental protecting device
CN208212831U (en) * 2018-08-25 2018-12-11 杨富德 A kind of high-efficiency environment friendly dust processing equipment
CN209414783U (en) * 2019-01-09 2019-09-20 江苏帝井环保科技有限公司 A kind of dustproof glass steel stack
CN209868220U (en) * 2019-05-15 2019-12-31 沭阳县章集图腾木业制品厂 Grinding device is used in woodwork processing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205832806U (en) * 2016-07-01 2016-12-28 浙江杰隆环境科技有限公司 A kind of defecator of waste gas purification apparatus
CN206749441U (en) * 2017-04-07 2017-12-15 嵊州市联德汽车空调有限公司 A kind of easy-to-dismount automotive air conditioning filter plate
CN208152964U (en) * 2018-05-08 2018-11-27 窦娅莉 A kind of sieve residue log environmental protecting device
CN208212831U (en) * 2018-08-25 2018-12-11 杨富德 A kind of high-efficiency environment friendly dust processing equipment
CN209414783U (en) * 2019-01-09 2019-09-20 江苏帝井环保科技有限公司 A kind of dustproof glass steel stack
CN209868220U (en) * 2019-05-15 2019-12-31 沭阳县章集图腾木业制品厂 Grinding device is used in woodwork processing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106483A (en) * 2022-08-02 2022-09-27 扬州大学 Method for processing 304 stainless steel sewage pump pipeline
CN115106483B (en) * 2022-08-02 2023-09-05 扬州大学 Processing method of 304 stainless steel sewage pump pipeline

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