阅读说明：本技术 一种防酸液溢出的无缝钢管酸洗池 (Acid-proof overflow's seamless steel pipe pickling bath ) 是由 王月生 高明华 徐海生 高虹 顾计松 于 2020-06-18 设计创作，主要内容包括：本发明公开了一种防酸液溢出的无缝钢管酸洗池,包括酸洗池、溢液收集池、溢液自动抽吸装置、控制面板、进水口、加酸口、第一耐酸液位传感器,所述的酸洗池侧边设有可以与其配合的溢液收集池,所述的溢液收集池容积小于酸洗池容积,所述的溢液收集池上端设有溢液收集池盖,所述的溢液收集池盖与溢液收集池可拆卸连接,所述的溢液收集池盖上端设有溢液自动抽吸装置,所述的酸洗池侧边设有控制面板,所述的控制面板与溢液自动抽吸装置控制连接,本发明通过将酸洗池旁设置溢液收集池,通过控制面板可以自动调节酸洗池内液位高度,溢液自动抽吸装置可以自动收集可能溢出的酸洗液后备用,提高安全性,减少酸洗液浪费。(The invention discloses a seamless steel pipe pickling tank capable of preventing acid liquor from overflowing, which comprises a pickling tank, an overflowing liquid collecting tank, an overflowing liquid automatic suction device, a control panel, a water inlet, an acid adding port and a first acid-resistant liquid level sensor, wherein the overflowing liquid collecting tank matched with the pickling tank is arranged on the side edge of the pickling tank, the volume of the overflowing liquid collecting tank is smaller than that of the pickling tank, an overflowing liquid collecting tank cover is arranged at the upper end of the overflowing liquid collecting tank, the overflowing liquid collecting tank cover is detachably connected with the overflowing liquid collecting tank, an overflowing liquid automatic suction device is arranged at the upper end of the overflowing liquid collecting tank cover, the side edge of the pickling tank is provided with the control panel, the control panel is in control connection with the overflowing liquid automatic suction device, the overflowing liquid collecting tank is arranged beside the pickling tank, the liquid level height in the pickling tank can be automatically adjusted through the control panel, and the overflowing liquid automatic suction device can automatically collect the possible overflowing pickling liquid for later use, the safety is improved, and the waste of pickling solution is reduced.)

1. The utility model provides a seamless steel pipe pickling bath of acid liquor overflow prevention which characterized in that: comprises a pickling tank (1), an overflow collecting tank (2), an automatic overflow suction device (3), a control panel (4), a water inlet (5), an acid adding port (6) and a first acid-resistant level sensor (7), wherein the side edge of the pickling tank (1) is provided with the overflow collecting tank (2) matched with the side edge of the pickling tank, the volume of the overflow collecting tank (2) is smaller than that of the pickling tank (1), an overflow collecting tank cover (21) is arranged at the upper end of the overflow collecting tank (2), the overflow collecting tank cover (21) is detachably connected with the overflow collecting tank (2), the automatic overflow suction device (3) is arranged at the upper end of the overflow collecting tank cover (21), the side edge of the pickling tank (1) is provided with the control panel (4), the control panel (4) is in control connection with the automatic overflow suction device (3), the first acid-resistant level sensor (7) is vertically arranged inside the pickling tank (1), first acid-resistant level sensor (7) and control panel (4) data communication connection, pickling bath (1) one side lateral wall respectively the symmetry be equipped with water inlet (5) and add sour mouthful (6), water inlet (5), add sour mouthful (6) all with pickling bath (1) inside intercommunication.

2. The pickling bath for seamless steel pipes with acid liquor overflow prevention as claimed in claim 1, wherein: automatic suction device of overflow (3) including acidproof positive and negative two-way delivery pump (31), first pump line (32), second pump line (33), acidproof positive and negative two-way delivery pump (31) locate overflow and collect pond lid (21) upper end, acidproof positive and negative two-way delivery pump (31) on can be rather than first pump line (32), second pump line (33) of complex respectively, first pump line (32) other end and pickling bath (1) lateral wall intercommunication, second pump line (33) other end run through overflow and collect pond lid (21) and overflow and collect pond (2) interior bottom intercommunication, control panel (4) and acidproof positive and negative two-way delivery pump (31) control connection.

3. The pickling bath for seamless steel pipes with acid liquor overflow prevention as claimed in claim 1, wherein: the water inlet (5) on be equipped with can rather than complex first solenoid valve (8), add sour mouthful (6) on be equipped with can rather than complex second solenoid valve (9), control panel (4) and first solenoid valve (8), second solenoid valve (9) control connection.

4. The pickling bath for seamless steel pipes with acid liquor overflow prevention as claimed in claim 1, wherein: and an acid liquor circulating liquid outlet (10) and an acid liquor circulating liquid inlet (11) are respectively arranged on two sides of the pickling tank (1).

5. The seamless steel pipe pickling bath for preventing the acid liquor from overflowing as claimed in claim 4, wherein: the acid liquor circulation liquid inlet (11) is provided with a third electromagnetic valve (12) matched with the acid liquor circulation liquid inlet, and the control panel (4) is in control connection with the third electromagnetic valve (12).

6. The pickling bath for seamless steel pipes with acid liquor overflow prevention as claimed in claim 1, wherein: the pickling bath (1) upper end be equipped with horizontal outside pickling bath that extends go up step face (13), the pickling bath go up step face (13) the outside and be equipped with anti-overflow limit hem (131) of upwards buckling.

7. The pickling bath for seamless steel pipes with acid liquor overflow prevention as claimed in claim 6, wherein: the pickling tank upper step face (13) lower extreme be equipped with a plurality of overflow collecting pipe (14), overflow collecting pipe (14) other end and overflow collecting pit (2) intercommunication.

8. The pickling bath for seamless steel pipes with acid liquor overflow prevention as claimed in claim 1, wherein: the pickling tank (1) upper end be equipped with audible-visual annunciator (15), control panel (4) and audible-visual annunciator (15) control connection.

9. The pickling bath for seamless steel pipes with acid liquor overflow prevention as claimed in claim 1, wherein: the overflow liquid collecting tank (2) is internally provided with a second acid-resistant liquid level sensor (16), and the acid-resistant liquid level sensor (7) is connected with the control panel (4) in a data communication manner.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of steel pipe pickling, in particular to the technical field of a seamless steel pipe pickling tank.

[ background of the invention ]

Seamless steel pipes are steel pipes made of one piece of metal without seams on the surface, and are called seamless steel pipes. According to the production method, the seamless pipe is divided into a hot rolled pipe, a cold drawn pipe, an extruded pipe, a pipe jacking, and the like. The seamless steel pipe is divided into a round shape and a special shape according to the shape of a section, and the special-shaped pipe has various complex shapes such as a square shape, an oval shape, a triangular shape, a hexagonal shape, a melon seed shape, a star shape and a pipe with fins. The maximum diameter is up to 650mm, and the minimum diameter is 0.3 mm. Depending on the application, there are thick-walled pipes and thin-walled pipes. The seamless steel pipe is mainly used as a petroleum geology drill pipe, a cracking pipe, a boiler pipe and a bearing pipe for petrochemical industry, and a high-precision structural steel pipe for automobiles, tractors and aviation. In order to improve the surface flatness of the steel pipe and the corrosion resistance of the steel pipe in the production of seamless steel pipes, the surface of the steel pipe is subjected to acid pickling surface treatment, acid pickling liquid is needed for acid pickling of the steel pipe, the acid pickling liquid is strong in corrosivity, and has the possibility of causing certain influences on human bodies and the environment once leaking.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides an acid-overflow-proof seamless steel pipe pickling tank which can prevent acid pickling liquid in the pickling tank from overflowing, automatically adjust the liquid level height, collect the acid pickling liquid which possibly overflows, collect the acid pickling liquid for later use and improve the safety.

In order to realize the aim, the invention provides a seamless steel pipe pickling tank capable of preventing acid liquor from overflowing, which comprises a pickling tank, an overflowing liquid collecting tank, an overflowing liquid automatic suction device, a control panel, a water inlet, an acid adding port and a first acid-resistant liquid level sensor, wherein the side edge of the pickling tank is provided with the overflowing liquid collecting tank which can be matched with the side edge of the pickling tank, the volume of the overflowing liquid collecting tank is smaller than that of the pickling tank, the upper end of the overflowing liquid collecting tank is provided with an overflowing liquid collecting tank cover, the overflowing liquid collecting tank cover is detachably connected with the overflowing liquid collecting tank, the upper end of the overflowing liquid collecting tank cover is provided with the overflowing liquid automatic suction device, the side edge of the pickling tank is provided with the control panel, the control panel is in control connection with the overflowing liquid automatic suction device, the inside of the pickling tank is vertically provided with the first acid-resistant liquid level sensor, and the first acid-resistant liquid level sensor is in data, the side wall of one side of the pickling tank is symmetrically provided with a water inlet and an acid adding port respectively, and the water inlet and the acid adding port are communicated with the inside of the pickling tank.

As preferred, the automatic suction device of overflow include acidproof positive and negative two-way delivery pump, first pump line, second pump line, acidproof positive and negative two-way delivery pump locate overflow and collect pond lid upper end, acidproof positive and negative two-way delivery pump on can rather than first pump line of complex, second pump line respectively, the first pump line other end and pickling bath lateral wall intercommunication, the second pump line other end run through overflow and collect pond lid and overflow and collect the bottom intercommunication in the pond, control panel and acidproof positive and negative two-way delivery pump control be connected.

Preferably, the water inlet is provided with a first electromagnetic valve matched with the water inlet, the acid adding port is provided with a second electromagnetic valve matched with the acid adding port, and the control panel is connected with the first electromagnetic valve and the second electromagnetic valve in a control mode.

Preferably, an acid liquor circulating liquid outlet and an acid liquor circulating liquid inlet are respectively arranged on two sides of the pickling tank.

Preferably, a third electromagnetic valve which can be matched with the acid liquor circulation liquid inlet is arranged on the acid liquor circulation liquid inlet, and the control panel is connected with the third electromagnetic valve in a control mode.

Preferably, the upper end of the pickling tank is provided with an upper step surface which extends transversely outwards, and the outer side of the upper step surface of the pickling tank is provided with an upward-bent anti-overflow limiting folding edge.

Preferably, the lower end of the upper step surface of the pickling tank is provided with a plurality of overflow collecting pipes, and the other ends of the overflow collecting pipes are communicated with the overflow collecting tank.

Preferably, the upper end of the pickling tank is provided with an audible and visual alarm, and the control panel is in control connection with the audible and visual alarm.

Preferably, a second acid-resistant liquid level sensor is arranged in the overflowing liquid collecting tank, and the acid-resistant liquid level sensor is in data communication connection with the control panel.

The invention discloses a seamless steel pipe pickling bath capable of preventing acid liquor from overflowing, which has the beneficial effects that: according to the invention, the overflowing liquid collecting tank is arranged beside the pickling tank, the liquid level height in the pickling tank can be automatically adjusted through the control panel, and the overflowing liquid automatic suction device can automatically collect the pickling liquid which possibly overflows for later use, so that the safety is improved, and the waste of the pickling liquid is reduced.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a front view of the structure of a seamless steel tube pickling bath for preventing acid solution from overflowing;

FIG. 2 is a schematic side view of the acid bath for seamless steel pipe with acid-proof function;

FIG. 3 is a schematic top view of the seamless steel tube pickling bath structure for preventing acid solution overflow.

In the figure: 1-a pickling tank, 2-a overflowing liquid collecting tank, 3-an overflowing liquid automatic suction device, 4-a control panel, 5-a water inlet, 6-an acid adding port, 7-a first acid-resistant liquid level sensor, 8-a first electromagnetic valve, 9-a second electromagnetic valve, 10-an acid liquid circulating liquid discharging port, 11-an acid liquid circulating liquid inlet, 12-a third electromagnetic valve, 13-a step surface on the pickling tank, 14-an overflowing liquid collecting pipe, 15-an audible and visual alarm, 16-a second acid-resistant liquid level sensor, 21-an overflowing liquid collecting tank cover, 31-an acid-resistant positive and negative two-way output pump, 32-a first pump pipe, 33-a second pump pipe and 131-an anti-overflow limiting flanging.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1, 2 and 3, the invention relates to a seamless steel pipe pickling tank capable of preventing acid solution overflow, which comprises a pickling tank 1, an overflow collecting tank 2, an automatic overflow pumping device 3, a control panel 4, a water inlet 5, an acid adding port 6 and a first acid-resistant liquid level sensor 7, wherein the side edge of the pickling tank 1 is provided with the overflow collecting tank 2 matched with the side edge, the volume of the overflow collecting tank 2 is smaller than that of the pickling tank 1, the upper end of the overflow collecting tank 2 is provided with an overflow collecting tank cover 21, the overflow collecting tank cover 21 is detachably connected with the overflow collecting tank 2, the upper end of the overflow collecting tank cover 21 is provided with the automatic overflow pumping device 3, the side edge of the pickling tank 1 is provided with the control panel 4, the control panel 4 is in control connection with the automatic overflow pumping device 3, the first acid-resistant liquid level sensor 7 is vertically arranged inside the pickling tank 1, the first acid-resistant liquid level sensor 7 is connected with the data communication of the control panel 4, the side wall of one side of the pickling tank 1 is symmetrically provided with a water inlet 5 and an acid adding port 6 respectively, the water inlet 5 and the acid adding port 6 are communicated with the inside of the pickling tank 1, the automatic overflowing liquid pumping device 3 comprises an acid-resistant positive and negative two-way output pump 31, a first pump pipe 32 and a second pump pipe 33, the acid-resistant positive and negative two-way output pump 31 is arranged at the upper end of the overflowing liquid collecting tank cover 21, the acid-resistant positive and negative two-way output pump 31 can be respectively communicated with the first pump pipe 32 and the second pump pipe 33 matched with the same, the other end of the first pump pipe 32 is communicated with the side wall of the pickling tank 1, the other end of the second pump pipe 33 penetrates through the bottom of the overflowing liquid collecting tank cover 21 and the overflowing liquid collecting tank 2, the control panel 4 is connected with the acid-resistant positive and negative two-way output pump 31 in a control way, the water inlet 5 is, the pickling tank is characterized in that the pickling port 6 is provided with a second electromagnetic valve 9 matched with the second electromagnetic valve 9, the control panel 4 is in control connection with the first electromagnetic valve 8 and the second electromagnetic valve 9, the two sides of the pickling tank 1 are respectively provided with an acid liquor circulation liquid discharge port 10 and an acid liquor circulation liquid inlet 11, the acid liquor circulation liquid inlet 11 is provided with a third electromagnetic valve 12 matched with the third electromagnetic valve 12, the control panel 4 is in control connection with the third electromagnetic valve 12, the upper end of the pickling tank 1 is provided with a pickling tank upper step surface 13 transversely extending outwards, the outer side of the pickling tank upper step surface 13 is provided with an upwards bent anti-overflow limiting folding edge 131, the lower end of the pickling tank upper step surface 13 is provided with a plurality of overflow collecting pipes 14, the other ends of the overflow collecting pipes 14 are communicated with the overflow collecting tank 2, the upper end of the pickling tank 1 is provided with an audible and visual alarm 15, the control panel 4 is in control connection, and a second acid-resistant liquid level sensor 16 is arranged in the overflowing liquid collecting tank 2, and the acid-resistant liquid level sensor 7 is in data communication connection with the control panel 4.

The working process of the invention is as follows:

when the seamless steel pipe pickling tank capable of preventing acid liquor from overflowing works, the pickling tank 1 is used for pickling, the control panel 4 controls the first electromagnetic valve 8, the second electromagnetic valve 9 and the third electromagnetic valve 12 to be opened and closed, when the first acid-resistant liquid level sensor 7 monitors that the liquid level in the pickling tank 1 is too high, the control panel 4 automatically controls the first electromagnetic valve 8, the second electromagnetic valve 9 and the third electromagnetic valve 12 to be closed, the audible and visual alarm 15 gives out audible and visual alarm, the overflowing liquid automatic suction device 3 is opened, the acid-resistant forward-reverse bidirectional output pump 31 sucks redundant acid liquor in the pickling tank 1 into the overflowing liquid collection tank 2 for storage and standby, and when the liquid level in the pickling tank 1 is lower, the control panel 4 controls the overflowing liquid automatic suction device 3 to reversely rotate, and sucks the acid liquor in the overflowing liquid collection tank 2 back to the pickling tank 1.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.