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CN-122010270-A - Steel pickling liquid waste liquid recovery processing device

CN122010270ACN 122010270 ACN122010270 ACN 122010270ACN-122010270-A

Abstract

The invention discloses a steel pickling liquid waste liquid recovery processing device, which relates to the technical field of pickling liquid waste liquid recovery, and comprises a recovery cylinder body, wherein a driving mechanism is assembled above the recovery cylinder body, the recovery cylinder body is formed by combining an inner cylinder body and an outer cylinder body, an interlayer space is formed between the inner cylinder body and the outer cylinder body and is used for accommodating heat insulation materials, the steel pickling liquid waste liquid recovery processing device also comprises a mixing recovery mechanism arranged inside the inner cylinder body, a premixing component is used for realizing high-speed turbulent premixing by a waste liquid feeding pipe and a neutralizer feeding pipe which are obliquely sprayed, a stirring magnetic guiding component is used for circularly enhancing the magnetic field intensity through a strong magnetic core block which is lifted by the linkage of a hollow stirring shaft, a stepped magnetic guiding component is used for forming graded absorption by a magnetic absorbing block which is gradually increased from top to bottom, the problem that the mixing reaction of the traditional pickling liquid waste liquid processing device is insufficient is solved, the efficient premixing and the effective guiding and stable absorption of metal impurities are realized, and the thoroughly of the waste liquid processing and the recycling recovery efficiency of the metal impurities are greatly improved.

Inventors

  • CAO YIYANG

Assignees

  • 淮安市逸臣精密机械有限公司

Dates

Publication Date
20260512
Application Date
20260319

Claims (10)

  1. 1. The steel pickling liquid waste liquid recovery treatment device comprises a recovery cylinder body (1), wherein a driving mechanism (2) is arranged above the recovery cylinder body (1), and the steel pickling liquid waste liquid recovery treatment device is characterized in that the recovery cylinder body (1) is formed by combining an inner cylinder body (11) and an outer cylinder body (12), and an interlayer space is formed between the inner cylinder body and the outer cylinder body and is used for accommodating heat insulation materials; The mixing recovery mechanism (3) is arranged in the inner cylinder body (11); The mixing and recycling mechanism (3) comprises a premixing component (31), wherein the premixing component (31) divides the inner part of the inner cylinder body (11) into an upper premixing area and a lower mixing reaction area, and the premixing component comprises a waste liquid feeding pipe (311) and a neutralizer feeding pipe (312) which are symmetrically assembled at the top of the recycling cylinder body (1), wherein the waste liquid feeding pipe (311) and the neutralizer feeding pipe (312) are obliquely arranged and are used for enabling waste liquid and neutralizer to enter the inner cylinder body (11) in a concentrated opposite spraying mode during high-speed output to form high-speed turbulent premixing; the stirring magnetic guiding assembly (32) is arranged below the driving mechanism (2), the stirring magnetic guiding assembly (32) is positioned in a mixing reaction area inside the inner cylinder body (11), the stirring magnetic guiding assembly comprises a hollow stirring shaft (321) and a strong magnetic core block (327), the strong magnetic core block (327) is slidably assembled inside the hollow stirring shaft (321), the stirring magnetic guiding assembly is driven by the external driving mechanism (2) in a linkage manner to realize lifting, the magnetic field intensity of the mixing reaction area of the inner cylinder body (11) is circularly enhanced, and the metal impurities are further guided and gathered to the side wall of the recovery cylinder body (1) by matching with the centrifugal force generated by stirring; The step magnetic attraction component (33) is arranged between the inner cylinder body (11) and the outer cylinder body (12), and comprises a magnetic attraction unit (332), the whole magnetic attraction unit (332) is composed of at least two magnetic attraction blocks, and the magnetic attraction blocks are gradually increased from top to bottom in magnetic field intensity gradient and are distributed at equal intervals and are used for being matched with the stirring magnetic attraction component (32) to stably adsorb metal impurities on the inner wall of the recovery cylinder body (1).
  2. 2. The steel pickling liquid waste liquid recovery processing device according to claim 1, wherein the driving mechanism (2) comprises a driving motor (21) and a speed changing piece (22), an output end of the driving motor (21) is in transmission connection with an input end of the speed changing piece (22), and an output end of the speed changing piece (22) is fixedly connected with a hollow stirring shaft (321) of the stirring magnetic guiding assembly (32) for adjusting the stirring rotating speed.
  3. 3. The steel pickling liquid waste liquid recovery processing device according to claim 1, wherein the premixing component (31) comprises a diversion cone seat (313), the diversion cone seat is fixedly connected to the outer wall of the output end of the driving motor (21), a plurality of diversion inclined plates (314) are uniformly and fixedly connected to the conical surface of the diversion cone seat, the distribution track of each diversion inclined plate (314) is matched with the taper of the diversion cone seat (313), and the premixing liquid waste liquid and neutralizer mixed liquid is guided to the periphery, so that the swirling effect of the premixing area is enhanced.
  4. 4. The steel pickling liquid waste liquid recovery processing device according to claim 1, wherein a connecting cover shell (315) is fixedly connected below the diversion cone seat (313), the top opening size of the connecting cover shell (315) is matched with the bottom outer diameter of the diversion cone seat (313), the top outer edge of the connecting cover shell is integrally arranged with the bottom outer edge of the connecting cover shell (315), and an annular liquid flow channel is formed between the connecting cover shell and the inner wall of the inner cylinder body (11) and used for guiding the mixed liquid of the waste liquid and the neutralizer to the periphery, so that the rotational flow effect of the premixing area is enhanced.
  5. 5. The steel pickling liquid waste liquid recovery processing device according to claim 1, wherein the outer wall of the hollow stirring shaft (321) is fixedly connected with stirring paddles (322), the stirring paddles (322) are of a spiral structure, the sizes of the paddles are increased from top to bottom, the paddles rotate along with the hollow stirring shaft (321), and an axial and radial composite flow field is formed by the rotation of the paddles.
  6. 6. The steel pickling liquid waste liquid recovery processing device according to claim 1, wherein an adsorption blade (323) is fixedly connected to the upper portion of the hollow stirring shaft (321), the height of the adsorption blade (323) is higher than the liquid level in the mixed reaction area of the recovery cylinder (1), when the adsorption blade (323) rotates, a pressure difference is formed on the upper surface and the lower surface of the blade, and gas generated by reaction is sucked and collected to the position of the connection housing (315) so as to be beneficial to exhaust gas discharge.
  7. 7. The steel pickling liquid waste liquid recycling device according to claim 1, wherein a bidirectional threaded shaft (324) is arranged inside the hollow stirring shaft (321), a nut collar (325) is connected to the outer side of the bidirectional threaded shaft (324) in a threaded manner, a limiting rod (326) is connected to the outer wall of the nut collar (325) in a sliding manner, the limiting rod (326) is connected to the inner wall of the hollow stirring shaft (321) in a sliding manner, and when the bidirectional threaded shaft (324) rotates along with the hollow stirring shaft (321), the limiting rod (326) limits the nut collar (325) to rotate circumferentially, and the rotating motion is converted into linear reciprocating motion of the nut collar (325).
  8. 8. The steel pickling liquid waste liquid recovery processing device according to claim 7, wherein the outer wall of the nut collar (325) is fixedly connected with a strong magnetic core block (327), the strong magnetic core block (327) moves up and down synchronously with the nut collar (325), and the position of the strong magnetic core block in the hollow stirring shaft (321) is changed to adjust the magnetic field intensity distribution of the mixing reaction area, so that the subsequent deslagging is facilitated.
  9. 9. The steel pickling liquid waste liquid recycling device according to claim 1, wherein the step magnetic attraction component (33) comprises an interlayer shell (331), the interlayer shell (331) is fixedly attached between the inner cylinder body (11) and the outer cylinder body (12), a closed cavity for accommodating the magnetic attraction unit (332) is formed in the interlayer shell, the top of the interlayer shell is slidably connected with a sliding baffle (333), the sliding baffle (333) can vertically slide along the inside of the interlayer shell (331), when the sliding baffle (333) moves down to the tail end position, the sliding baffle overlaps with the magnetic attraction unit (332) to realize magnetic shielding of the magnetic attraction function of the magnetic attraction unit (332), when the sliding baffle (333) moves up to the initial end position, the sliding baffle is staggered with the magnetic attraction unit (332), and a strong magnetic field generated by the magnetic attraction unit (332) can penetrate the inner cylinder body (11) to act on a mixed reaction area to normally exert the magnetic attraction adsorption function.
  10. 10. The steel pickling liquid waste liquid recovery processing device according to claim 1, wherein the magnetic attraction unit (332) is integrally made of neodymium-iron-boron permanent magnet material, the attraction and fixation between the magnetic attraction unit and the metal impurities in the cylinder are realized through strong magnetic field attraction, the sliding baffle (333) is integrally made of magnetic shielding material, and the magnetic attraction of the magnetic attraction unit (332) is blocked through magnetic shielding effect after the sliding baffle is overlapped with the magnetic attraction unit (332).

Description

Steel pickling liquid waste liquid recovery processing device Technical Field The invention relates to the technical field of pickling waste liquid recovery, in particular to a steel pickling waste liquid recovery treatment device. Background The method is characterized in that the method comprises the steps of recycling pickling waste liquid of steel, namely realizing the core steps of harmless treatment and recycling of the pickling waste liquid of the steel, is widely applied to industrial scenes of producing pickling waste liquid in ferrous metallurgy, mechanical processing and the like, is a key link of industrial waste water treatment and solid waste recycling, directly influences the environment-friendly standard level and the raw material recycling efficiency of enterprises, has obvious difference in treatment process and impurity removal precision of the pickling waste liquid with different components and impurity contents, and is often required to be integrated and premixed in scenes with higher requirements on treatment effect such as deep purification of the pickling waste liquid of the steel, efficient recycling of metal impurities, recycling of neutralization products and the like, and can meet the basic environment-friendly emission requirements in the conventional pickling waste liquid treatment environment with single component and low impurity content. In the prior art, as the patent with the patent number of CN216273588U and the name of steel pickling wastewater recovery treatment equipment, the core is that iron and steel impurities in waste liquid are adsorbed and cleaned through structures such as a magnet sleeve, a rotary column and a rotary shaft in an impurity removing device, and then wastewater recovery is realized through a filtering device, so that the effects of environmental emission and resource recovery are achieved; although the technology can realize the preliminary removal of metal impurities in the pickling wastewater, the technology has obvious defects: Firstly, the impurity removing device relies on a fixed iron absorbing sleeve arranged on a rotary column to absorb metal impurities, the metal impurities are directly absorbed on the surface of a stirring piece, and as the operation time is increased, the impurities are accumulated and hardened on the stirring piece in a large quantity, the uniformity of a stirring flow field is seriously damaged, the mixing efficiency of waste liquid and a neutralizing agent is greatly reduced, the local alkali or acid overgrowth phenomenon is aggravated, the generation and the subsequent absorption effect of metal hydroxide precipitation are further influenced, secondly, the impurity removing device relies on the fixed iron absorbing sleeve to absorb the impurities, the magnetic field intensity distribution is uniform, the gradient guidance cannot be carried out according to the sedimentation path of the impurities in the waste liquid, the impurities are easily accumulated and hardened at the bottom, the slag is not completely removed, and in addition, the device only realizes the mixing of the waste liquid and the neutralizing agent through mechanical stirring, has limited mixing uniformity, and is easy to generate local alkali or acid overgrowth and influence the generation efficiency and purity of the metal hydroxide precipitation. Therefore, the defects are overlapped with each other, so that the impurity removing effect is greatly reduced, residues exist in the slag discharge, the stability of the neutralization reaction is continuously destroyed, the overall treatment efficiency and quality of the pickling waste liquid are fundamentally reduced, hidden danger is easily brought to the continuous operation of equipment due to the hardening of impurities, and the efficient and stable completion of the impurity removal, the neutralization and the precipitation of the waste liquid is difficult to realize. Therefore, the invention provides a steel pickling liquid waste liquid recovery treatment device, which overcomes and improves the defects in the prior art. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides an acid corrosion resistance low-carbon seamless steel tube thickness measuring device, which can effectively solve the related technical problems in the background art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The invention discloses a steel pickling liquid waste liquid recovery treatment device, which comprises a recovery cylinder, wherein a driving mechanism is arranged above the recovery cylinder; The mixing recovery mechanism is arranged in the inner cylinder; The mixing and recycling mechanism comprises a premixing component, wherein the premixing component divides the inner part of the inner cylinder body into an upper premixing area and a lower mixing reaction area, and the premixing component comprises a waste liquid