CN113188294A - Dehumidification device is used in steel processing - Google Patents
Dehumidification device is used in steel processing Download PDFInfo
- Publication number
- CN113188294A CN113188294A CN202110370507.6A CN202110370507A CN113188294A CN 113188294 A CN113188294 A CN 113188294A CN 202110370507 A CN202110370507 A CN 202110370507A CN 113188294 A CN113188294 A CN 113188294A
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- Prior art keywords
- waste
- steel
- channel
- box body
- steel processing
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- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000007791 dehumidification Methods 0.000 title claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 10
- 239000012024 dehydrating agents Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 239000002893 slag Substances 0.000 description 5
- 241000252254 Catostomidae Species 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of steel processing, in particular to a dehumidifying device for steel processing, which comprises a box body and a fixing device, wherein a fan guide is arranged at the upper end of the box body, a metal wire is arranged at one side of the fan guide, filter screens are arranged at two sides of the metal wire, a pressurizing channel is arranged at one side of each filter screen, a pressurizing machine is arranged below each pressurizing channel, a door is arranged at one side of the box body, the fixing device is arranged in the direction opposite to the door, the fixing device is fixed at the inner side of the box body through a rotating shaft, the rotating shaft is provided with a baffle plate, the baffle plate can slide on the rotating shaft, the baffle plate is connected with the inner side of the box body through a spring, and a motor is arranged at one side of the rotating shaft; the steel body is dehumidified in an internal and external combination mode, so that the dehumidification effect is faster; thereby through adopting the coil circular telegram to make the characteristic that the iron plate is magnetic, more convenient handle and collect the steel waste residue.
Description
Technical Field
The invention relates to the technical field of steel processing, in particular to a dehumidifying device for steel processing.
Background
The steel is an important material essential for national construction and realization of quartification, has wide application and various varieties, is generally divided into four categories of section bars, plates, pipes and metal products according to different section shapes, is an iron-carbon alloy with the carbon content of 0.0218-2.11%, and generally does not exceed 1.7% in order to ensure the toughness and plasticity of the steel. The main elements of steel such as iron and carbon are removed, so that when steel is stored, the surface of the steel needs to be dehumidified, the phenomenon that water on the steel reacts with iron in the steel and corrosion occurs is avoided, in the prior art, the dehumidifying effect is not ideal, so that the steel after dehumidification is still hot, the operation of workers is inconvenient, waste residues generated by steel processing are not treated timely, and the working progress is influenced.
Disclosure of Invention
The present invention is made in view of the problems of the background art, and will be described in more detail below.
A dehumidification device for steel processing comprises a box body and a fixing device, wherein a fan is arranged at the upper end of the box body, a metal wire is arranged on one side of the fan, filter screens are arranged on two sides of the metal wire, a pressurizing channel is arranged on one side of the filter screens, a pressurizing machine is arranged below the pressurizing channel, a door is arranged on one side of the box body, the fixing device is arranged in the direction opposite to the door, the fixing device comprises a fixing block, two hydraulic lifting devices with electromagnetic valves are arranged in the fixing block, a pressure sensor is arranged on one side of the hydraulic lifting devices, a vacuum air pump and an air pump are arranged between the two hydraulic lifting devices, through pipes are supported at two ends of the hydraulic lifting devices, the through pipes are communicated through hoses, a plurality of support pipes are uniformly arranged on the through pipes, arc suckers are arranged at the upper ends of the support pipes, and the upper ends of the suckers are in contact with the inner side of a steel body, the fixing device is fixed on the inner side of the box body through a rotating shaft, the rotating shaft is provided with a baffle plate, the baffle plate can slide on the rotating shaft, the baffle plate is connected with the inner side of the box body through a spring, and one side of the rotating shaft is provided with a motor;
furthermore, in order to separate moisture in hot air and cool the hot air, a suction fan is arranged above the rotating shaft, a dehumidification channel is arranged on one side of the suction fan, a water storage tank is arranged on the path of the dehumidification channel, and cold water is filled in the water storage tank;
furthermore, in order to enable waste residues on the steel body to be discharged out of the box body, a telescopic hydraulic plate is arranged below the door, a waste residue collecting device is arranged below the hydraulic plate and comprises an iron block, a coil is wound on the iron block, the iron block is fixed at the bottom end of the box body through a supporting column, a fan is arranged on one side of the waste residue collecting device, a waste material outlet is arranged in the other side of the waste residue collecting device, a stop block is arranged below the waste material outlet, and a waste material collecting device is arranged below the stop block;
furthermore, in order to enable the steel body to be capable of dehumidifying from the inside, one side of the fixed block is provided with an air inlet;
furthermore, in order to further separate moisture in the air and rapidly cool the steel body by cold air, a dehydrating agent is arranged at one end of the dehumidifying channel, a first pressurizing machine is arranged below the dehydrating agent and used for sending the dried and cooled air into the drying channel, and a plurality of spray heads are uniformly arranged below the drying channel;
furthermore, a waste material outlet is formed in the other side of the waste residue collecting device, a stop block is arranged below the waste material outlet, and a waste material collecting device is arranged below the stop block;
has the advantages that: compared with the prior art, the steel body is fixed in a sucking disc mode, so that the steel body is fixed more firmly and is convenient to operate; the problem that hot air contains much moisture and the temperature of the steel body is too high is solved through the arrangement of the water storage tank; the steel body is dehumidified in an internal and external combination mode, so that the dehumidification effect is faster; thereby through adopting the coil circular telegram to make the characteristic that the iron plate is magnetic, more convenient handle and collect the steel waste residue.
Drawings
FIG. 1: the invention discloses a structural schematic diagram of a dehumidifying device for steel processing;
FIG. 2: the invention discloses a structural schematic diagram of a fixing device of a dehumidifying device for steel processing;
in the figure: the device comprises a box body 1, an air guide machine 2, a metal wire 3, a filter screen 4, a pressurizing machine 5, a fixing device 6, a fixing block 601, an air inlet 602, a hydraulic lifting device 603, a vacuum suction pump 604, an air pump 605, a through pipe 606, a hose 607, a supporting pipe 608, a suction cup 609, a pressure sensor 610, a pressurizing channel 7, a door 8, a steel body 9, a rotating shaft 10, a baffle 11, a spring 12, a motor 13, a suction fan 14, a dehumidifying channel 15, a water storage tank 16, cold water 17, a dehydrating agent 18, a first pressurizing machine 19, a drying channel 20, a hydraulic plate 21, a waste residue collecting device 22, an iron block 221, a coil 222, a supporting column 223, a fan 23, a waste outlet 24, a waste material collecting device 25, a stop 26 and a spray head 27.
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a dehydrating unit is used in steel processing, includes box 1, fixing device 6, box 1 upper end is equipped with air guide machine 2 for with the air suction of outside in the box 1, one side of air guide machine 2 is equipped with wire 3 for heat the air the both sides of wire 3 are equipped with filter screen 4, carry out preliminary processing with the impurity in the air filter screen 4 one side is equipped with pressurization passageway 7, for further make hot-air arrive the surface of steel body fast the pressurization passageway 7 below is equipped with presser 5 box 1 one side is equipped with door 8, through door 8 carry out putting into and taking out of steel body fixing device 6 is just being equipped with to the direction to door 8, fixing device 6 includes fixed block 601, fixed block 601 one side is equipped with air intake 602 for with hot-blast entering, so that the steel body can be dehumidified from the inside, two hydraulic lifting devices 603 with electromagnetic valves are arranged in the fixed block 601, a pressure sensor 610 is arranged on one side of the hydraulic lifting devices 603, a vacuum suction pump 604 and an air pump 605 are arranged between the two hydraulic lifting devices 603, the two ends of the hydraulic lifting device 603 support a through pipe 606, the through pipe 606 at the two ends is communicated through a hose 607, a plurality of supporting tubes 608 are uniformly arranged on the through tube 606, the upper ends of the supporting tubes 608 are provided with arc suckers 609, the upper end of the sucking disc 609 contacts the inner side of the steel material body 9, the fixing device 6 is fixed at the inner side of the box body 1 through a rotating shaft 10, the rotary shaft 10 is provided with a baffle 11, the baffle 11 can slide on the rotary shaft 10, the baffle 11 is connected with the inner side of the box body 1 through a spring 12, and a motor 13 is arranged on one side of the rotating shaft 10;
it is known from a general theory that the completion of the steel body by hot air treatment causes two problems: firstly can have a lot of moisture in the hot-blast, secondly the temperature of steel body has promoted, in order to solve above-mentioned problem, takes following scheme: a suction fan 14 is arranged above the rotating shaft 10, a dehumidifying channel 15 is arranged on one side of the suction fan 14, a water storage tank 16 is arranged on the path of the dehumidifying channel 15, cold water 17 is filled in the water storage tank 16, a dehydrating agent 18 is arranged at one end of the dehumidifying channel 15, a first pressurizing machine 19 is arranged below the dehydrating agent 18, the first pressurizing machine 19 sends dried and cooled air into a drying channel 20, and a plurality of spray heads 27 are uniformly arranged below the drying channel 20;
in order to enable waste slag on the steel body to be discharged out of the box body 1, the following scheme is adopted: a telescopic hydraulic plate 21 is arranged below the door 8, a waste collecting device 22 is arranged below the hydraulic plate 21, the waste collecting device comprises an iron block 221, a coil 222 is wound on the iron block 221, the iron block 221 is fixed at the bottom end of the box body 1 through a supporting column 223, a fan 23 is arranged on one side of the waste collecting device 22, a waste outlet 24 is arranged on the other side of the waste collecting device 22, a stop 26 is arranged below the waste outlet 24, and a waste collecting device 25 is arranged below the stop 26.
The working principle is as follows: firstly, a steel material body 9 is put on the fixing device 6 by opening a door 8 at one side of the box body 1, when the steel material body 9 contacts the baffle plate 11, the baffle plate 11 can compress the spring 12, when a 'click' sound is heard, the putting is stopped, the door 9 is closed, at the moment, the hydraulic plate 22 is in a shrinking state, a stop block 26 below a waste material outlet 24 is in a sealing state, the waste residue collecting device 22 is positioned below the steel material body 9, meanwhile, a hydraulic lifting device 603 with an electromagnetic valve starts to work, the through pipe 606 is pushed to move towards two sides, so that the suction cup 609 contacts the inner side wall of the steel material body 9, when the pressure sensor 610 reaches a certain pressure, the hydraulic lifting device 603 stops working, at the moment, the vacuum suction pump 604 sucks air in the pipeline, so that the suction cup 609 is adsorbed on the inner wall of the steel material body 9, because the hose 607 is arranged between the through pipes 606 at two ends to communicate, the upper and lower two through pipes 606 can be adsorbed on the inner wall of the steel body 9 together, the motor 13 drives the rotating shaft 10 to rotate, thereby driving the fixing device 6 to work, electrifying the coil 222, the iron block 221 will generate magnetism, at this time, the metal wire 3 is heated, the air is sucked by the air guide fan 2, the air enters the pressurizing channel 7 through the metal wire 3, then the steel body 9 is dehumidified by the pressurizer 5, at this time, moisture and waste slag on the steel body 9 can be removed, the waste slag can be adsorbed on the surface of the iron block 221 through the magnetic iron block 221, the hot air still has moisture, the moisture is further removed, the suction fan 14 is started, the hot air with moisture is sucked into the dehumidifying channel 15, when the hot air with moisture contacts with the water storage tank 16 containing the cold water 17, due to the cold and hot contact, the moisture in the hot air is adsorbed on the outer side of the water storage tank 16, at this time, the air further moves forward, in order to further eliminate the moisture in the air, the air passes through the dehydrating agent 18, then the dried air is sent to the drying channel 20 through the first pressurizing machine 19, the steel body is cooled and dehumidified again through the spray head 27 below the drying channel 20, the cycle is repeated, after the steel body 9 is completely dehumidified, the air pump 605 is started, the air is added to the through pipe 606, at this time, the suction cup 609 is separated from the steel body 9, the steel body 9 is taken out, the hydraulic plate 11 arranged below the door 8 is extended, the slag collecting device 22 is separated from the fixing device 6, the coil 222 is powered off, at this time, the iron block 221 has no magnetism, the stopper 26 is turned on, the blower 23 is started, and the adsorbed waste slag is blown into the waste outlet 24 and discarded by the waste collection device 25.
Has the advantages that: compared with the prior art, the steel body is fixed in a sucking disc mode, so that the steel body is fixed more firmly and is convenient to operate; the problem that hot air contains much moisture and the temperature of the steel body is too high is solved through the arrangement of the water storage tank; the steel body is dehumidified in an internal and external combination mode, so that the dehumidification effect is faster; thereby through adopting the coil circular telegram to make the characteristic that the iron plate is magnetic, more convenient handle and collect the steel waste residue.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a dehydrating unit is used in steel processing which characterized in that: the device comprises a box body (1) and a fixing device (6), wherein a draught guide fan (2) is arranged at the upper end of the box body (1), a metal wire (3) is arranged on one side of the draught guide fan (2), filter screens (4) are arranged on two sides of the metal wire (3), a pressurizing channel (7) is arranged on one side of each filter screen (4), a pressurizer (5) is arranged below each pressurizing channel (7), a door (8) is arranged on one side of the box body (1), the fixing device (6) is arranged right opposite to the door (8), the fixing device (6) comprises a fixing block (601), two hydraulic lifting devices (603) with electromagnetic valves are arranged in the fixing block (601), a pressure sensor (610) is arranged on one side of each hydraulic lifting device (603), and a vacuum air pump (604) and an air pump (605) are arranged between the two hydraulic lifting devices (603), hydraulic lifting device (603) both ends support siphunculus (606), both ends siphunculus (606) link up through hose (607) evenly set up a plurality of stay tubes (608) on siphunculus (606), stay tube (608) upper end is equipped with circular arc sucking disc (609), sucking disc (609) upper end contact steel body (9) are inboard, fixing device (6) are fixed through rotation axis (10) the inboard of box (1), rotation axis (10) are equipped with baffle (11), baffle (11) can slide on rotation axis (10), baffle (11) are connected through spring (12) box (1) are inboard one side of rotation axis (10) is equipped with motor (13).
2. The dehumidifying device for steel processing according to claim 1, wherein: the drying machine is characterized in that a suction fan (14) is arranged above the rotating shaft (10), a dehumidification channel (15) is arranged on one side of the suction fan (14), a water storage tank (16) is arranged on the path of the dehumidification channel (15), and cold water (17) is filled in the water storage tank (16).
3. The dehumidifying device for steel processing according to claim 1, wherein: the below of door (8) is equipped with telescopic hydraulic pressure board (21), the below of hydraulic pressure board (21) is equipped with waste residue collection device (22), waste residue collection device includes iron plate (221), coil (222) are winding on iron plate (221), iron plate (221) are fixed through support column (223) the bottom of box (1) one side of waste residue collection device (22) is equipped with fan (23) another side of waste residue collection device (22) is equipped with waste outlet (24), waste outlet (24) below is equipped with dog (26) the dog (26) below is equipped with waste collection device (25).
4. The dehumidifying device for steel processing according to claim 1, wherein: and an air inlet (602) is formed in one side of the fixed block (601).
5. The dehumidifying device for steel processing according to claim 2, wherein: a dehydrating agent (18) is arranged at one end of the dehumidifying channel (15), a first pressurizing machine (19) is arranged below the dehydrating agent (18), the first pressurizing machine (19) sends dried and cooled air into the drying channel (20), and a plurality of spray heads (27) are uniformly arranged below the drying channel (20).
6. The dehumidifying device for steel processing according to claim 3, wherein: a waste outlet (24) is arranged in the other side of the waste collection device (22), a stop (26) is arranged below the waste outlet (24), and a waste collection device (25) is arranged below the stop (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370507.6A CN113188294B (en) | 2021-04-07 | 2021-04-07 | Dehumidification device is used in steel processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370507.6A CN113188294B (en) | 2021-04-07 | 2021-04-07 | Dehumidification device is used in steel processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113188294A true CN113188294A (en) | 2021-07-30 |
| CN113188294B CN113188294B (en) | 2022-07-26 |
Family
ID=76974794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110370507.6A Active CN113188294B (en) | 2021-04-07 | 2021-04-07 | Dehumidification device is used in steel processing |
Country Status (1)
| Country | Link |
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| CN (1) | CN113188294B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010005525A1 (en) * | 1993-09-24 | 2001-06-28 | Scheufler Fred G. | Method of drying substrates and use thereof |
| CN106403546A (en) * | 2016-08-31 | 2017-02-15 | 浙江科艺纺织有限公司 | Dryer for spinning |
| CN108489253A (en) * | 2018-06-01 | 2018-09-04 | 宿迁市通用机械有限公司 | A kind of steel processing dehumidifier |
| CN108914030A (en) * | 2018-08-22 | 2018-11-30 | 合肥集知网信息技术有限公司 | A kind of one-side galvanized steel plate surface protection process |
| US20200251235A1 (en) * | 2005-06-06 | 2020-08-06 | Holtec International | Method and apparatus for preparing spent nuclear fuel for dry storage |
| CN212158085U (en) * | 2020-04-15 | 2020-12-15 | 无锡市雷克莱特电器有限公司 | Circulating drying system of drying machine |
| CN212747119U (en) * | 2020-07-02 | 2021-03-19 | 天津德仁精密机械制造有限公司 | Machine tool machining machinery accessory drying device |
-
2021
- 2021-04-07 CN CN202110370507.6A patent/CN113188294B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010005525A1 (en) * | 1993-09-24 | 2001-06-28 | Scheufler Fred G. | Method of drying substrates and use thereof |
| US20200251235A1 (en) * | 2005-06-06 | 2020-08-06 | Holtec International | Method and apparatus for preparing spent nuclear fuel for dry storage |
| CN106403546A (en) * | 2016-08-31 | 2017-02-15 | 浙江科艺纺织有限公司 | Dryer for spinning |
| CN108489253A (en) * | 2018-06-01 | 2018-09-04 | 宿迁市通用机械有限公司 | A kind of steel processing dehumidifier |
| CN108914030A (en) * | 2018-08-22 | 2018-11-30 | 合肥集知网信息技术有限公司 | A kind of one-side galvanized steel plate surface protection process |
| CN212158085U (en) * | 2020-04-15 | 2020-12-15 | 无锡市雷克莱特电器有限公司 | Circulating drying system of drying machine |
| CN212747119U (en) * | 2020-07-02 | 2021-03-19 | 天津德仁精密机械制造有限公司 | Machine tool machining machinery accessory drying device |
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| Publication number | Publication date |
|---|---|
| CN113188294B (en) | 2022-07-26 |
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