CN219079652U - Environment-friendly closed metal surface pretreatment operation room device - Google Patents
Environment-friendly closed metal surface pretreatment operation room device Download PDFInfo
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- CN219079652U CN219079652U CN202222829223.1U CN202222829223U CN219079652U CN 219079652 U CN219079652 U CN 219079652U CN 202222829223 U CN202222829223 U CN 202222829223U CN 219079652 U CN219079652 U CN 219079652U
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Abstract
The patent application provides an environment-friendly closed metal surface pretreatment operation room device, which comprises a closed pretreatment operation room, wherein an acid pickling tank is closed in the closed pretreatment operation room; the side wall is provided with an air suction inlet communicated with an acid absorption system pipeline; the feeding station of the operation room is provided with a feeding group part which comprises a feeding door unit and a diving sealing pool unit; the discharging station of the operation room is provided with a discharging group part, and the discharging group part is positioned below the rear wall of the operation room and comprises a transferring pit unit and a closed cover plate unit. The technical proposal achieves the technical aim that the working space outside the pretreatment operation room almost has no acid mist overflow, and meets the environmental protection technical requirement.
Description
Technical Field
The patent application relates to a device for generating waste gas without loss collection and treatment during production operation, in particular to a device for simultaneously guaranteeing collection and treatment of acid mist waste gas in the pickling pretreatment process of the metal galvanization industry.
Background
The metal surface treatment industry plays a crucial role in the whole manufacturing industry, is a 'head soldier' in the whole manufacturing industry and is indispensable as a basic supporting industry, wherein the pretreatment is the weight of the metal surface treatment technology, and is directly related to the overall quality of the metal surface coating. The pretreatment of the metal surface mainly adopts a chemical method to remove greasy dirt, an oxide layer and the like on the metal surface, and then improves the metal surface activity through water washing and plating assistance, so as to make technical mats for the subsequent metal treatment, such as the treatment of a galvanized coating and the like. The process uses a large amount of toxic chemicals such as acid, alkali and the like, so that reliable environmental protection measures are required for collecting and treating waste gas and waste liquid, and the working area and the surrounding environment are ensured not to be polluted and damaged.
However, the existing pretreatment process for the metal surface is still more traditional, a production workshop is generally open, the metal workpiece is subjected to surface treatment and movement operation in a production line which is formed by a degreasing tank, a rinsing tank, a pickling tank, a rinsing tank, a plating assisting tank and the like in a semi-mechanized sequence under the assistance of the operator, more links in the whole production line are required to be operated by the producer, the equipment is simple, the management level cannot be kept up, the potential safety hazard is high, more importantly, acid mist cannot be controlled, is diffused everywhere, is seriously polluted, the acid mist not only corrodes equipment and plants, but also brings physical injury to operators, including symptoms such as tooth corrosion, conjunctiva redness, tearing, pain, throat dryness, cough and the like, the production operation efficiency is low, the raw material utilization rate is high enough to be improved, and the like.
In order to solve the acid mist pollution, the main technical measure adopted at present is to install an induced draft fan on the roof or the side surface of a workshop, introduce the acid mist into an absorption tower, and discharge the acid mist after neutralization treatment; a few better enterprises can additionally install induced air on two sides of the pickling tank to guide acid gas so as to improve the absorption rate of acid mist. However, in the running process of the production line, the open operation requiring continuous feeding and discharging is not carried out anyway, so that the workshop cannot be completely closed at all, and during the period, production operators often cannot tolerate the volatilized acid mist, and the door and the window are opened, so that the practical application shows that the technical effect of absorbing the acid mist by the conventional fan is not ideal.
The relatively advanced mode is to configure an independent pickling room, but the technical problems that a rolling door or a sliding door is required to be opened for feeding and discharging metal workpieces, a conveying gateway is opened, a micro negative pressure closed state of the pickling room is damaged, and a small amount of acid mist overflows from the pickling room to damage can not be solved.
Disclosure of Invention
The utility model aims to solve the technical problems that the negative micro-pressure acid mist absorption operation state in an operation room can be still maintained in feeding and feeding operation and acid mist overflow pollution is effectively inhibited in continuous production without affecting the actual operation requirements of feeding and discharging of primary and secondary metal workpieces, and provides an environment-friendly closed metal surface pretreatment operation room device.
The technical scheme of the environment-friendly closed metal surface pretreatment operation room device provided by the patent application is as follows:
an environment-friendly closed metal surface pretreatment operation room device, which comprises a closed pretreatment operation room,
the pretreatment operation room is internally sealed with an acid washing tank; the side wall of the device is provided with an air suction inlet communicated with an acid absorption system pipeline; the feeding station of the operation room is provided with a feeding group part, and the discharging station is provided with a discharging group part;
the feeding group part comprises a feeding door unit and a diving sealing pool unit of the operation room;
the feeding door unit comprises a lifting door and a lifting driving control part thereof;
the submerged sealing pool unit comprises a water sealing pool below the lifting door and also comprises a feeding conveyer belt device for bearing and conveying the hanging tool in parallel on two side edges of the water sealing pool body;
the hanging tool is a hanging tool for hanging metal workpieces in batches;
the discharging group part is positioned below the rear wall of the operation room and comprises a transfer pit unit and a closed cover plate unit;
the transfer pit unit comprises a rotation pit and a discharge conveyer belt device which is arranged in the transfer pit and used for bearing the hanging tool to move forward to a discharge port; the rear wall of the operation room spans over the discharging conveyor belt device;
the closed cover plate unit comprises a horizontal fixed cover plate fixed at the lower end of the rear wall of the operation room and a sliding cover plate which covers the transfer pit and is driven to reciprocate back and forth along the linear guide rail on the rotation pit in the process direction.
In one preferable option of the above overall technical solution, the discharging side edge of the fixed cover plate is assembled with a sealing soft curtain for sealing the gap between the fixed cover plate and the sliding cover plate.
According to the technical scheme of the environment-friendly closed metal surface pretreatment operation room device disclosed by the patent application, in feeding, a hanging hook part and a metal workpiece on the hanging hook part are immersed in water of a water seal pool, and a lifting door of a feeding door unit only needs to be slightly lifted to allow a hanging cross beam of a hanging tool to enter, so that the metal workpiece can be completely moved into the pretreatment operation room; and when the discharge is started, the sliding cover plate is matched with the fixed cover plate, the transfer pit hole opening of the discharge side of the discharge wall of the operation room is closed, the hanging tool and the metal workpiece on the hanging tool fall into the transfer pit from the inner side of the discharge wall, the discharge conveyer belt device bears the hanging tool and the metal workpiece on the hanging tool to the transfer pit hole opening of the discharge side, and meanwhile, the sliding cover plate moves reversely and towards the transfer pit hole opening direction of the inner side of the discharge wall of the operation room, and when the hanging tool and the metal workpiece move in place, the sliding cover plate is matched with the fixed cover plate to close and cover the side pit opening of the operation room of the transfer pit.
From the above, the method realizes the purposes of extremely small opening and extremely short time for completing feeding and discharging, so that the good micro negative pressure acid mist absorption operation state between pretreatment operations can be always kept to the maximum extent.
Drawings
Fig. 1 is a general structural diagram of the present patent application.
Fig. 2 is an a-direction view of the outfeed station.
FIG. 3 is an enlarged block diagram of a discharge station between the pretreatment operations of FIG. 1.
Detailed Description
The technical contents of the environment-friendly closed metal surface pretreatment inter-operation device of the present application will be described in detail below with reference to examples.
As shown in the figure, the environment-friendly closed metal surface pretreatment workshop device comprises a closed pretreatment workshop 9;
the pretreatment operation room 9 is at least sealed with a plurality of pickling tanks 3.
The pickling tank 3 is sequentially arranged along the linear direction of the metal workpiece treatment process, and a water washing tank, a plating assisting tank and the like can be additionally arranged behind the pickling tank 3 in the pretreatment operation room 9. The hanging tool for lifting the metal workpiece is assembled on the ceiling of the pretreatment operation room 9, and the hanging tool and the metal workpiece on the hanging tool are driven to move step by step along the process direction of the treatment process in the corresponding pickling tank 3, the washing tank and the plating assisting tank, and the hanging tool and the metal workpiece on the hanging tool are sunk into the tank, lifted out of the tank and reversely reset.
The side wall of the pretreatment operation room 9 is provided with a plurality of air suction inlets 13 communicated with the acid absorption system pipeline.
The metal workpieces 11 are hung on the hanging tool in batches. The hanging tool consists of a transverse hanging beam 31, a plurality of hanging hooks 32 on the transverse hanging beam 31 and hanging rings 33.
The feeding station of the pretreatment operation room 9 is provided with a feeding group part, and the discharging station is provided with a discharging group part.
The feeding group part comprises a feeding door unit and a diving sealing pool unit of the pretreatment operation room 9;
wherein the feed gate unit comprises a lifting gate 6 and a lifting driving control part thereof.
The submerged sealing pool unit comprises a water sealing pool 1 below the lifting door 6, and further comprises a feeding conveyer belt device 2 which is parallel to the two side edges of the pool body of the water sealing pool 1 and used for bearing and conveying the hanging tool.
The length of the cross hanging beam 31 is larger than the widths of the water seal tank 1, the acid washing tank 3, the water washing tank and the plating assisting tank, so that the cross hanging beam 31 is carried on the feeding conveyer belt device of the water seal tank 1, the acid washing tank 3 and the two side edges of the plating assisting tank, and metal workpieces on the cross hanging beam 31 are immersed below the liquid level.
In this embodiment, the feeding conveyer belt device 2 adopts a chain transmission pair, and may also adopt a transmission pair component such as a crawler belt, the inner side end of the feeding conveyer belt device is provided with a first travel switch 12, and when the hanger reaches the limit of the inner side pole of the water seal pool, the driving motor of the feeding conveyer device is controlled to be closed.
The lower edge of the lifting door 6 is provided with a soft rubber curtain 7, and when the door body falls down, the soft rubber curtain 7 is inserted into the water surface of the water seal pool 1 and the pretreatment operation room 9 is sealed.
Feeding operation: the hanging tool and the metal workpiece on the hanging tool are moved to the upper part of the water seal pool 1 by the feeding crane 4 at the outer side of the pretreatment operation room 9, the hanging tool falls until the metal workpiece 11 is immersed in water, the transverse hanging beam 31 transversely falls on the chain 8 of the chain transmission pair, the chain transmission pair is started to drive the hanging tool to move forwards, the lifting door 6 only needs to be lifted to the height of the transverse hanging beam 31 by a small extent, the metal workpiece 11 can be moved into the inner side of the operation room, at the moment, the lifting door 6 falls down, and the soft rubber curtain 7 at the lower edge of the lifting door is inserted into the water surface, so that the sealing of the feeding door is realized. It has the technical advantages of small-amplitude feeding opening and short time consumption.
The discharging group part is positioned below the rear wall 5 of the operation room and comprises a transfer pit unit and a closed cover plate unit;
the transfer pit unit comprises a rotation pit 20 and a discharge conveyer belt device 14 which is arranged on a device bracket 22 in the transfer pit 20 and used for bearing the hanging tool to move forward to a discharge port. In this embodiment, the discharging conveyor device 14 adopts a chain transmission pair, and may also adopt a transmission pair component such as a crawler belt, the outer end of the discharging conveyor device is provided with a second travel switch 18, and when the hanger reaches the limit of the outer pole of the transferring pit, the driving motor of the discharging conveyor device is controlled to be closed, and the driving motor of the sliding cover plate 16 is controlled in a linkage manner.
The rear wall 5 of the operation room spans over the discharging conveyer belt device 14.
The closed cover plate unit comprises a fixed cover plate 15 horizontally fixed at the lower end of the rear wall 5 of the operation room, and a sliding cover plate 16 which covers the transfer pit 20 and is driven to reciprocate back and forth on a linear guide rail 23 which is arranged on the rotation pit 20 and is in the same direction as the process direction; the discharge side edge of the fixed cover plate 15 is preferably provided with a sealing soft curtain 17 for sealing the gap between the fixed cover plate and the sliding cover plate 16.
The discharging process is as follows: the crane 10 in the pretreatment operation room 9 transversely places the hanger on the discharge conveyor belt device 14, at this time, the sliding cover plate 16 is positioned at the pit mouth outside the transfer pit, and is matched with the closed soft curtain 17 of the fixed cover plate 15 to close the transfer pit and the pretreatment operation room 9 communicated with the transfer pit, at this time, the discharge conveyor belt device 14 is started to drive the hanger and the metal workpiece which is subjected to pickling on the hanger to move outside the transfer pit, the sliding cover plate is simultaneously driven to move along the linear guide 23 and the discharge conveyor belt device 14 to the inner side of the operation room of the transfer pit until the hanger and the metal workpiece move to the extreme limit outside the rear wall of the operation room, the second travel switch 18 controls the driving motor for closing the discharge conveyor belt device 14 and the sliding cover plate 16, the sliding cover plate 16 is also covered on the inner side of the rear wall of the operation room of the transfer pit, the sliding cover plate 16 is matched with the closed soft curtain of the fixed cover plate 1, and the sliding cover plate 16 is started to move outside the operation room of the transfer pit along the linear guide 23 until the metal workpiece is lifted out of the batch of the discharge crane 21.
Claims (4)
1. An environment-friendly closed metal surface pretreatment operation room device comprises a closed pretreatment operation room (9),
the pretreatment operation room (9) is internally sealed with a pickling tank (3); the side wall of the device is provided with an air suction inlet (13) communicated with an acid absorption system pipeline; the feeding station of the pretreatment operation room (9) is provided with a feeding group part, and the discharging station is provided with a discharging group part;
it is characterized in that the method comprises the steps of,
the feeding group part comprises a feeding door unit and a diving sealing pool unit of the operation room;
wherein the feeding door unit comprises a lifting door (6) and a lifting driving control part thereof;
the submerged sealing pool unit comprises a water sealing pool (1) below the lifting door and also comprises a feeding conveyer belt device (2) for bearing and conveying the hanging tool in parallel on the two side edges of the water sealing pool body;
the hanging tool is a hanging tool for hanging metal workpieces in batches;
the discharging group part is positioned below the rear wall (5) of the operation room and comprises a transfer pit unit and a closed cover plate unit;
the transfer pit unit comprises a rotation pit (20) and a discharge conveyer belt device (14) which is arranged in the transfer pit and used for bearing the hanging tool to move forward to a discharge port; the rear wall (5) of the operation room spans over the discharging conveyer belt device (14);
the closed cover plate unit comprises a horizontal fixed cover plate (15) fixed at the lower end of the rear wall of the operation room, and a sliding cover plate (16) which covers the transfer pit and is driven to reciprocate back and forth along the linear guide rail (23) on the rotation pit in the process direction.
2. The environmentally-friendly closed metal surface pretreatment workshop device according to claim 1, wherein the fixed cover plate (15) is provided with a closing soft curtain (17) for closing the gap between the fixed cover plate and the sliding cover plate (16) on the discharging side edge.
3. The environmentally-friendly closed metal surface pretreatment workshop device according to claim 1, wherein the hanger consists of a cross hanging beam (31), a hanging hook (32) of the cross hanging beam and a hanging ring (33).
4. The environmentally-friendly closed metal surface pretreatment workshop device according to claim 1 or 2, wherein the pretreatment workshop (9) comprises a plurality of pickling tanks (3) which are arranged in the process direction of the metal workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222829223.1U CN219079652U (en) | 2022-10-26 | 2022-10-26 | Environment-friendly closed metal surface pretreatment operation room device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222829223.1U CN219079652U (en) | 2022-10-26 | 2022-10-26 | Environment-friendly closed metal surface pretreatment operation room device |
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| Publication Number | Publication Date |
|---|---|
| CN219079652U true CN219079652U (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222829223.1U Active CN219079652U (en) | 2022-10-26 | 2022-10-26 | Environment-friendly closed metal surface pretreatment operation room device |
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| CN (1) | CN219079652U (en) |
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- 2022-10-26 CN CN202222829223.1U patent/CN219079652U/en active Active
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