CN107841756A - A kind of acid cleaning of steel tube system - Google Patents

Abstract

The present invention relates to steel pipe process field, and in particular to a kind of acid cleaning of steel tube system, including：Descaling bath, acid solution processor, charging push platform, discharging adapting table and drainage rest stand, the descaling bath includes, lifting strut in opening up rectangular cell body and rectangular cell body, the rectangular cell body includes two long side walls and two short side walls, the long side wall includes, the exhausting portion on top and the stop part of bottom, it is provided with the exhausting portion towards the suction opeing set inside rectangular cell body；Acid solution inlet and outlet are provided with the descaling bath, acid solution inlet and outlet are connected by acid solution recovery tube and acid solution ascending pipe with the acid solution processor；The drainage rest stand bottom is grid, and the drainage rest stand is completed from charging push platform to descaling bath again to the transfer successively of discharging adapting table by the first pusher and the second pusher.

Description

A steel pipe pickling system

technical field

The invention relates to the field of steel pipe processing, in particular to a steel pipe pickling system.

Background technique

Pickling is a common step in the surface treatment of steel pipes. Pickling tanks are usually used to pickle steel pipes in workshops. However, the pickling tanks in traditional workshops have a strong odor, especially when steel pipes are put into the pickling tank. A large amount of acid mist has greatly affected the environment in the workshop. In addition, when putting in and taking out the steel pipes in the traditional pickling tank, it is necessary to use cranes to lift them, which increases the danger of the workshop and causes acid leakage, which is not conducive to the cleanliness of the workshop environment.

Contents of the invention

The object of the present invention is to provide a steel pipe pickling system in order to solve the problems in the background technology.

Above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

A steel pipe pickling system, comprising: a pickling tank, an acid liquid processor, a feed push table, a discharge receiving table and a water filtration shelf, the pickling tank includes a rectangular tank with an opening facing upwards and a long The lifting strut in the square tank body, the rectangular tank body includes two long side walls and two short side walls, the long side walls include an upper draft part and a lower blocking part, and the draft part is provided with There is an air exhaust port set towards the inside of the rectangular tank body; an acid liquid inlet and outlet is arranged in the pickling tank, and the acid liquid inlet and outlet are connected to the acid liquid processor through an acid liquid recovery pipe and an acid liquid injection pipe; The bottom of the shelf for filtering water is grid-shaped, and the shelf for filtering water is sequentially transferred from the feeding pushing platform to the pickling tank and then to the discharging receiving platform through the first pushing device and the second pushing device.

Preferably, both the feeding pushing platform and the discharging receiving platform are lifting platforms, and the whole platform is composed of a plurality of lifting units arranged in parallel, and the first pushing device and the second pushing device are arranged on these lifting units Between, the pickling tank is set between the feed pushing platform and the discharge receiving platform, and the first pushing device and the second pushing device are set in the pickling tank facing the inlet One side of the material push table.

The first pushing device and the second pushing device are push cylinders with fixed heights, and the pushing cylinders of the two are staggered. The horizontal height of the first pushing device is greater than that of the second pushing device. The distance between the pushing device and the pickling tank is greater than the distance between the second pushing device and the pickling tank.

Preferably, the exhaust part is hinged to the blocking part, and a return air duct is arranged inside the exhaust part, and the return air duct is connected to the exhaust fan, and the return air duct runs through the exhaust part in the length direction , and separate exhaust fans are provided at both ends.

By setting the air outlet, the acid mist can be effectively sucked away in time to ensure the air quality in the workshop. In addition, the way the steel pipe enters the pickling tank is different from the traditional hoisting method through the lifting support rod and the water filtration shelf. In this scheme, the steel pipe and the water filtration shelf adopt an integral entry method. If the water filtration speed is fast, acid will leak out.

Preferably, the blocking part is integrally connected with the lower part of the short side wall, the draft part is arranged on both sides of the short side wall, and a sealing strip is arranged between the draft part and the short side wall .

Preferably, a support cylinder is provided outside the air exhaust part, and both ends of the support cylinder are respectively hinged to the outer wall of the air exhaust part and the ground.

As a preference, a high liquid level control hole and a low liquid level discharge hole are arranged on the short side wall of the rectangular tank body, the level of the high liquid level control hole is higher than the low liquid level discharge hole, and the The high liquid level control hole and the low liquid level discharge hole are respectively connected with a return pipe and a drain pipe. The return pipe is connected with a circulation pump to return the acid water to the pickling tank. The drain pipe is connected with a drain pipe. The valve and the storage liquid pool store the acid water for subsequent treatment, and the liquid level of the storage liquid pool is lower than the level of the low liquid level discharge hole.

Preferably, a lifting device is provided at both ends of the lifting strut, and the lifting device includes a lifting motor and a lifting cable chain, and the two ends of the lifting cable chain are respectively fixed on the output shaft of the lifting motor and the lifting strut.

Preferably, the upper end surface of the lifting strut is provided with a support block, a positioning mechanism and a guide block, the guide blocks are arranged at both ends of the lifting strut in the length direction, and the guide block is provided with a guide Slope, the top surface of the support block is provided with a pulley.

Preferably, the positioning mechanism includes a lifting positioning head, a spring, a positioning block, an air chamber and an inflation nozzle; the top of the lifting positioning head is a pointed head, and the bottom of the lifting positioning head is provided with a piston block.

In summary, the beneficial effects of the present invention:

① In the steel pipe pickling system described in the present invention, the steel pipe moves as a whole with the water filter shelf, and the entire transfer process relies on the lifting action of the lifting strut, the feeding push table and the discharge receiving table and the first push The pushing function of the device and the second pushing device does not require the use of crane hoisting during the whole process, which improves the safety of the workshop.

② A steel pipe pickling system described in the present invention can effectively remove the acid mist generated during the pickling process, ensuring the workshop environment, and using circulating acid solution for pickling to ensure the pickling effect.

③ A steel pipe pickling system according to the present invention adopts lifting struts and low liquid level holes, which can lift the steel pipe faster and speed up the water filtration speed of the steel pipe in the pickling tank.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a transfer schematic diagram of the water filter shelving frame of the present invention;

Fig. 3 is the structural representation of pickling tank of the present invention;

Fig. 4 is the top view of pickling tank of the present invention;

Fig. 5 is a schematic structural view of the positioning mechanism of the present invention;

Fig. 6 is a structural schematic diagram of the high liquid level control hole and the low liquid level row hole of the present invention.

Detailed ways

The following specific examples are only explanations of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

The present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

According to Fig. 1, Fig. 2 and Fig. 3, a steel pipe pickling system includes: a pickling tank 1, an acid liquid processor 2, a feeding push platform 3, a material discharge receiving platform 4 and a water filtration shelf 5, The pickling tank 1 includes a rectangular tank body 11 with an opening facing upwards and a lifting strut 12 in the rectangular tank body 11, and the rectangular tank body 11 includes two long side walls 111 and two short side walls 112, the long side wall 111 includes an upper draft part 1111 and a lower blocking part 1112, the draft part 1111 is provided with a draft port 1101 facing the inside of the rectangular tank 11; the inside of the pickling tank 1 An acid liquid inlet and outlet are provided, and the acid liquid inlet and outlet are connected to the acid liquid processor 2 through the acid liquid recovery pipe 21 and the acid liquid injection pipe 22; The shelving frame 5 completes the sequential transfer from the feeding pushing platform 3 to the pickling tank 1 and then to the discharging receiving platform 4 through the first pushing device 61 and the second pushing device 62 .

Both the feeding pushing platform 3 and the discharging receiving platform 4 are lifting platforms, and the entire platform is formed by a plurality of parallel lifting units, and the first pushing device 61 and the second pushing device 62 are arranged on these lifting platforms. Between the units, the pickling tank 1 is set between the feed pushing platform 3 and the discharge receiving platform 4, and the first pushing device 61 and the second pushing device 62 are set on the The side of the pickling tank 1 facing the feed pushing platform 3 .

The first pushing device 61 and the second pushing device 62 are push cylinders of fixed height, and the pushing cylinders of the two are staggered, and the horizontal height of the first pushing device 61 is greater than the horizontal height of the second pushing device 62, The distance between the first pushing device 61 and the pickling tank 1 is greater than the distance between the second pushing device 62 and the pickling tank 1 .

The exhaust part 1111 is hinged with the blocking part 1112, and the exhaust part 1111 is provided with a return air pipe 1102, the return air pipe 1102 is connected with the exhaust fan, and the return air pipe 102 runs through in the length direction The exhaust part 111 is provided with separate exhaust fans at both ends thereof.

The blocking part 1112 is integrally connected with the lower part of the short side wall 112 , the air draft part 1111 is arranged on both sides of the short side wall 112 , and the air draft part 1111 is arranged between the short side wall 112 There is a sealing strip 1121, and a supporting cylinder 11111 is provided outside the air exhausting part 1111, and the two ends of the supporting cylinder 11111 are respectively hinged to the outer wall of the air exhausting part 1111 and the ground.

The two ends of the lifting strut 12 are provided with a lifting device 16, and the lifting device 16 includes a lifting motor 161 and a lifting cable chain 162, and the two ends of the lifting cable chain 162 are respectively fixed on the output shaft of the lifting motor 161 and the lifting motor 161. On the strut 12.

As shown in FIG. 4 , the upper end surface of the lift strut 12 is provided with a support block 121 , a positioning mechanism 122 and a guide block 123 , and the guide block 123 is arranged at both ends of the lift strut 12 in the length direction. The guide block 123 is provided with a guide slope 1231 , and the top surface of the support block 121 is provided with a pulley 1211 .

As shown in Figure 5, the positioning mechanism 122 includes a lift positioning head 1221, a spring 1222, a positioning block 1223, an air chamber 1224 and an inflation nozzle 1225; The bottom of the head 1221 is provided with a piston block 12211 .

As shown in Figure 6, the short side wall 112 of the rectangular tank body 11 is provided with a high liquid level control hole 14 and a low liquid level discharge hole 15, the level of the high liquid level control hole 14 is higher than the Low liquid level discharge hole 15, described high liquid level control hole 14 and described low liquid level discharge hole 15 are respectively connected with return water pipe 141 and drain water pipe 151, and described return flow pipe 141 is connected with circulation pump, sour water is re- Return to the pickling tank, the drainage pipe 151 is connected with a drainage valve and a storage liquid pool, and the acid water is stored for subsequent treatment, and the liquid level of the storage liquid pool is lower than the level of the low liquid level discharge hole 15 high.

When the whole system is working, firstly, turn over the exhaust part 1111 on the side of the feeding pushing table 3, lift the feeding pushing table 3 and the lifting strut 12, and push the water filter shelving frame 5 under the action of the first pushing device 61 to In the pickling tank 1, during the pushing process, the positioning and fixing are completed by the guiding slope 1231 and the positioning mechanism 122. Subsequently, turn back the exhaust part 1111, lower the lifting strut 12 and add acid solution to carry out pickling. After the pickling is completed, open the low liquid level discharge hole 15 and simultaneously lift the lifting strut 12 and raise the discharge receiving platform 4 to a suitable height. The second pushing device 62 pushes the water filter shelving frame 5 onto the discharge receiving platform 4 .

Claims (10)

1. A kind of 1. acid cleaning of steel tube system, it is characterised in that including：Descaling bath（1）, acid solution processor（2）, charging push platform（3）、 Discharge adapting table（4）With drainage rest stand（5）, the descaling bath（1）Including opening up rectangular cell body（11）With long square groove Body（11）Interior lifting strut（12）, the rectangular cell body（11）Including two long side walls（111）With two short side walls（112）, The long side wall（111）Including the exhausting portion on top（1111）With the stop part of bottom（1112）, the exhausting portion（1111）On It is provided with towards rectangular cell body（11）The suction opeing that inside is set（1101）；The descaling bath（1）Acid solution inlet and outlet are inside provided with, Acid solution inlet and outlet pass through acid solution recovery tube（21）With acid solution ascending pipe（22）With the acid solution processor（2）It is connected；The drainage Rest stand（5）Bottom is grid, the drainage rest stand（5）Pass through the first pusher（61）With the second pusher（62） Complete to push platform from charging（3）To descaling bath（1）Discharging adapting table is arrived again（4）Transfer successively.
2. A kind of 2. acid cleaning of steel tube system according to claim 1, it is characterised in that the charging push platform（3）With it is described Discharge adapting table（4）It is hoistable platform, and whole platform is made up of multiple lifting units be arrangeding in parallel, described first pushes away Send device（61）With the second pusher（62）It is arranged between these lifting units, the descaling bath（1）Enter described in being arranged on Material push platform（3）With the discharging adapting table（4）Between, first pusher（61）With second pusher（62） It is arranged on the descaling bath（1）Towards the charging push platform（3）Side.
3. A kind of 3. acid cleaning of steel tube system according to claim 2, it is characterised in that first pusher（61）With Two pushers（62）For surely high push cylinder, both push cylinder stagger settings, first pusher（61）'s Level height is more than second pusher（62）Level height, first pusher（61）Distance and the pickling Groove（1）Distance be more than second pusher（62）With the descaling bath（1）Distance.
4. A kind of 4. acid cleaning of steel tube system according to claim 1, it is characterised in that the exhausting portion（1111）With the resistance Stopper（1112）Between be hinged, the exhausting portion（1111）Inside it is provided with backwind tube（1102）, the backwind tube（1102）With taking out Wind blower fan is connected.
5. A kind of 5. acid cleaning of steel tube system according to claim 2, it is characterised in that the stop part（1112）With it is described short Side wall（112）Bottom link into an integrated entity, the exhausting portion（1111）It is arranged on the short side wall（112）Both sides, it is described to take out Wind portion（1111）With the short side wall（112）Between be provided with sealing strip（1121）.
6. A kind of 6. acid cleaning of steel tube system according to claim 3, it is characterised in that the exhausting portion（1111）Outside is set There is support cylinder（11111）, the support cylinder（11111）Both ends respectively with the exhausting portion（1111）Outer wall and ground It is be hinged.
7. A kind of 7. acid cleaning of steel tube system according to claim 1, it is characterised in that the rectangular cell body（11）Short side wall （112）On be provided with high level control hole（14）With low liquid level round（15）, the high level control hole（14）Level height Higher than the low liquid level round（15）, the high level control hole（14）With the low liquid level round（15）It is connected to backflow Water pipe（141）With draining water pipe（151）, the backflow water pipe（141）Circulation pump machine is connected with, sour water is returned into descaling bath again It is interior, the draining water pipe（151）Water discharging valve and storage liquid pool are connected with, sour water is stored and carries out subsequent treatment, the storage The liquid level of liquid pool is less than the low liquid level round（15）Level height.
8. A kind of 8. acid cleaning of steel tube system according to claim 1, it is characterised in that the lifting strut（12）Two set It is equipped with lifting device（16）, the lifting device（16）Including lifting motor（161）With lifting rope chain（162）, the raising cord Chain（162）Two is separately fixed at lifting motor（161）Output revolving shaft and the lifting strut（12）On.
9. A kind of 9. acid cleaning of steel tube system according to claim 8, it is characterised in that the lifting strut（12）Upper surface is set It is equipped with support block（121）, detent mechanism（122）And guiding block（123）, the guiding block（123）It is arranged on the lifting strut （12）Both ends on length direction, the guiding block（123）It is provided with guide ramp（1231）, the support block（121）Top surface It is provided with pulley（1211）.
10. A kind of 10. acid cleaning of steel tube system according to claim 9, it is characterised in that the detent mechanism（122）Including, Lift positioning head（1221）, spring（1222）, locating piece（1223）, plenum chamber（1224）And aerating pipe port（1225）；The liter Positioning head drops（1221）Top be tip, the lifting positioning head（1221）Bottom is provided with piston block（12211）.