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CN-121988127-A - Seamless steel pipe pickling waste gas adsorption treatment device

CN121988127ACN 121988127 ACN121988127 ACN 121988127ACN-121988127-A

Abstract

The present invention relates to the field of exhaust gas adsorption technology and discloses a seamless steel tube acid washing exhaust gas adsorption treatment device, comprising an adsorption box. The adsorption box is equipped with several partitions inside, and is divided into several chambers. Each chamber is equipped with several adsorption modules, and connected exhaust holes are opened between adjacent chambers. The two sides of the adsorption box are respectively equipped with inlet and outlet pipes. The exhaust gas adsorption treatment device solves the problems of priority saturation of the front-end module, low utilization rate of the back-end module, and production impact caused by shutdown replacement of the existing adsorption box by setting a combination of multi chamber bent flow channels and active optimization modules. It achieves the effect of high concentration exhaust gas preferentially contacting the more active adsorption module without shutdown, which not only prolongs the contact between exhaust gas and adsorbent, but also Time has balanced the adsorption load of each module, Significantly improved overall adsorption efficiency and adsorbent utilization.

Inventors

  • CAO YIYANG

Assignees

  • 淮安市逸臣精密机械有限公司

Dates

Publication Date
20260508
Application Date
20260329

Claims (10)

  1. 1. The utility model provides a seamless steel pipe pickling waste gas adsorbs processing apparatus, includes adsorption case (1), and adsorption case (1) internally mounted has a plurality of baffle (12) to separate adsorption case (1) into a plurality of cavity, and install a plurality of adsorption module (11) in every cavity, seted up the waste gas hole of intercommunication between the adjacent cavity, intake pipe (13) and outlet duct (14) are installed respectively to adsorption case (1) both sides, its characterized in that: A gas concentration detector is arranged at the exhaust gas hole of the chamber, the adsorption activity is judged by comparing the concentration difference of the exhaust gas hole of the chamber, and when the concentration difference is lower than 30% of the initial difference, the adsorption module (11) is judged to have insufficient activity; The device also comprises an activity optimizing module (2) arranged on the adsorption box (1), when the activity of the adsorption module (11) of the head end chamber is insufficient, the activity optimizing module (2) enables high-concentration waste gas to be preferentially contacted with the adsorption module (11) in the tail end chamber with stronger activity under the condition that the device does not stop operation, so that the utilization rate of the adsorbent is improved.
  2. 2. The seamless steel pipe pickling waste gas adsorption treatment device according to claim 1, wherein the activity optimization module (2) comprises a waste gas pipeline group (22) and a passage valve group (21), wherein the waste gas pipeline group (22) is communicated with all chambers of the adsorption box (1), the air inlet pipe (13) and the air outlet pipe (14), the passage valve group (21) is respectively arranged on the air inlet pipe (13), the air outlet pipe (14) and the inner pipe section of the waste gas pipeline group (22), and the passage valve group (21) enables waste gas to bypass a head chamber with insufficient activity and a chamber with poor activity by selectively opening and closing the corresponding pipe sections, preferentially enters a tail chamber with stronger activity, and flows through the chamber with poor activity after being adsorbed by the tail chamber and the chamber with stronger activity, and finally is discharged from the air outlet pipe (14).
  3. 3. The seamless steel pipe acid cleaning waste gas adsorption treatment device according to claim 2, wherein the waste gas pipeline group (22) comprises a lower communicating pipe (221) and an upper communicating pipe (222) which are in one-to-one correspondence with the number of chambers, the lower communicating pipe (221) is respectively communicated with tail end chambers of the air inlet pipe (13) and the adsorption tank (1), and each adjacent chamber is used for forming a front-end chamber of reverse air inlet, the upper communicating pipe (222) is respectively communicated with an air outlet pipe (14) and the head end chamber of the adsorption tank (1), and each adjacent chamber is used for forming a rear-end passage of reverse air outlet, the passage valve group (21) comprises a lower electromagnetic valve (211), an upper electromagnetic valve (212) and a chamber selection valve (213), the lower electromagnetic valve (211) is respectively arranged at the joint of the air inlet pipe (13) and the lower communicating pipe (221), and on the communicating pipe sections of the lower communicating pipe (221) and the adjacent chambers, the upper electromagnetic valve (212) is respectively arranged at the joint of the air outlet pipe (14) and the communicating pipe sections of the upper communicating pipe (222) and the adjacent chambers, the number of the chamber selection valve (213) is matched with the number of the adjacent chambers, and the number of the adjacent chambers is matched, and the chambers are arranged, and the adjacent chambers are arranged, and the exhaust gas flow separation holes are sufficient, and the waste gas separation holes between adjacent chambers are used for avoiding the waste gas from being saturated.
  4. 4. The seamless steel pipe pickling waste gas adsorption treatment device according to claim 3, wherein the gas concentration detectors are electrically connected with the controller, the gas concentration detectors transmit detected chamber waste gas hole waste gas concentration signals to the controller, and the controller is electrically connected with the activity optimizing module (2) and is used for controlling the opening and closing of the lower electromagnetic valve (211), the upper electromagnetic valve (212) and the chamber selecting valve (213) according to the concentration signals so as to realize automatic switching of waste gas flow paths.
  5. 5. The apparatus for adsorption treatment of seamless steel pipe pickling waste gas according to claim 4, wherein the controller controls the lower solenoid valve (211), the upper solenoid valve (212) and the chamber selector valve (213) to operate when the controller determines that the activity of the adsorption module (11) of the head chamber is insufficient by the gas concentration detector, closes the forward air intake path, opens the reverse air intake path, and allows waste gas to enter the tail chamber preferentially.
  6. 6. The seamless steel pipe pickling waste gas adsorption treatment device according to claim 5, wherein after the path is switched, waste gas enters the tail end chamber of the adsorption box (1) from the air inlet pipe (13) through the lower communicating pipe (221), reversely flows through the middle chambers in sequence, enters the head end chamber of the adsorption box (1), and is discharged from the air outlet pipe (14) through the upper communicating pipe (222).
  7. 7. The seamless steel pipe pickling waste gas adsorption treatment device according to claim 1, wherein the activity optimization module (2) further comprises a blocking door (26), a matching structure (24), a driving mechanism (25) and a limiting guide substrate (23); Two exhaust gas holes are formed in each partition board (12) in a vertically staggered mode, a blocking door (26) is hinged in the exhaust gas hole opposite to the forward flow direction of the exhaust gas, the blocking door (26) is kept in a closed state when the exhaust gas flows forward, and when the exhaust gas flows reversely or the adsorption module (11) moves, the blocking door is pushed and opened by the adsorption module (11) to provide a channel for the movement of the adsorption module (11); Under the limiting action of the limiting guide substrate (23), the driving mechanism (25) drives the adsorption module (11) to move along a rectangular track through the matching structure (24), and exchanges head and tail positions of the adsorption module (11) in the head end cavity and the tail end cavity, so that high-concentration waste gas is preferentially contacted with the adsorption module (11) with stronger activity in the original tail end cavity.
  8. 8. The seamless steel pipe pickling waste gas adsorption treatment device according to claim 7, wherein the adsorption module (11) comprises an inner shell (111) and an outer shell (112), the inside of the inner shell (111) is used for placing an adsorbent, the inner shell (111) is connected inside the outer shell (112) in a sliding mode, the matching structure (24) is arranged on the surface of the outer shell (112), the driving mechanism (25) comprises a mounting seat (251) fixedly connected to the adsorption box (1), four transmission shafts (253) are rotatably arranged on the mounting seat (251), the four transmission shafts (253) are distributed in a rectangular mode, transmission members (254) are connected between the four transmission shafts (253), and the transmission members (254) are connected with the matching structure (24).
  9. 9. The seamless steel pipe pickling waste gas adsorption treatment device according to claim 8, wherein: the limiting guide substrate (23) is fixedly connected to the adsorption box (1) and the mounting seat (251), the surface of the limiting guide substrate (23) is provided with a guide cavity (233), a limiting middle block (234) is arranged in the middle of the guide cavity (233), two groups of four side round guide strips (231) are respectively arranged on two sides of the limiting middle block (234), the side round guide strips (231) are fixedly connected with the guide cavity (233), a rectangular guide groove (232) is formed in the surface of the guide cavity (233) in a penetrating mode, two vertical edges of the rectangular guide groove (232) are respectively positioned between every two side round guide strips (231), the matching structure (24) comprises a middle connecting shaft (241) and two side connecting shafts (242) which are fixedly connected to the outer shell (112), the two side connecting shafts (242) are symmetrically distributed on two sides of the middle connecting shaft (241), the middle connecting shaft (241) are slidably connected in the rectangular guide groove (232), and is hinged with the transmission part (254), two side connecting shafts (242) are respectively and slidably connected between the inner wall of the limit guide base plate (23) and the side round guide strip (231) and between the inner wall of the limit guide base plate (23) and the limit middle block (234), and between the side round guide bar (231) and the limit middle block (234).
  10. 10. The seamless steel pipe pickling waste gas adsorption treatment device according to claim 9, wherein a motor (252) is further installed in the adsorption box (1), an output shaft of the motor (252) is connected with any one transmission shaft (253), a gas concentration detector is electrically connected with the motor (252), when the gas concentration detector detects that the activity of an adsorption module (11) of a head end chamber is insufficient, the gas concentration detector sends a signal to the motor (252), the motor (252) is started and drives a transmission piece (254) to drive through the transmission shaft (253), the transmission piece (254) drives an intermediate connecting shaft (241) hinged with the motor to slide along a rectangular guide groove (232), meanwhile, a side connecting shaft (242) synchronously slides among an inner wall of a limit guide substrate (23), a side round guide bar (231) and a limit middle block (234), the adsorption module (11) is driven to move along a rectangular track under the common limit effect of the side round guide bar (231), the limit middle block (234) and the rectangular guide groove (232), the tail position of the head end chamber and the tail end chamber adsorption module (11) is interchanged, and the whole adsorption module (11) is kept in a constant horizontal state in the whole placement process.

Description

Seamless steel pipe pickling waste gas adsorption treatment device Technical Field The invention relates to the technical field of waste gas adsorption, in particular to a seamless steel tube pickling waste gas adsorption treatment device. Background In the production process of the seamless steel pipe, the pickling process can generate waste gas containing acid mist, volatile harmful gas and dust impurities, and if the waste gas is directly discharged, the waste gas can cause atmospheric pollution and also harm the health of operators, so that the waste gas is required to be purified by adopting a waste gas treatment device. The waste gas adsorption box is core equipment in an acid washing waste gas purification system, a plurality of chambers and an adsorption module for loading an adsorbent are arranged in the waste gas adsorption box, and harmful components and dust in waste gas are intercepted by utilizing the adsorption performance of the adsorbent, so that the waste gas is purified and discharged up to the standard. The existing waste gas adsorption box adopts a fixed adsorption module arrangement mode, waste gas sequentially flows through each adsorption module along a preset flow channel, and purification is completed through full contact of the adsorbent and the waste gas, so that the waste gas adsorption box is one of main stream equipment for treating pickling waste gas in the current industrial field, and the structure rationality and adsorption efficiency of the waste gas adsorption box directly influence the waste gas treatment effect and the utilization rate of the adsorbent. In order to solve the problem of low utilization rate of the adsorbent caused by arrangement of the fixed adsorption modules, related improvement schemes have appeared in the prior art, such as the invention patent with publication number of CN114832579B, after the adsorption modules are folded by the folding component, the whole turnover and rotation of the adsorption modules are driven by the turnover component so as to switch the contact surface of the adsorption modules, and the optimization of adsorption activity is attempted to be realized, but the prior art has obvious defects that the prior art is difficult to adapt to the treatment working condition of the seamless steel pipe pickling waste gas: firstly, the adsorption module is integrally turned over and rotated, a complex folding assembly and a complex turning assembly are additionally arranged, the structure is complex, the manufacturing cost is high, and the adsorbent in the adsorption module is easy to loosen and leak due to the turning action, so that the adsorption effect is influenced; Secondly, the scheme only sets a single cavity, the adsorption module is directly used as a separation area in the cavity, a plurality of independent cavities and a bending roundabout runner are not set, so that the flow path of waste gas in the cavity is shorter, the contact time of the waste gas and the adsorbent is insufficient, even if the contact surface is switched through turnover, the adsorption and purification of harmful components are difficult to fully realize, and the purification effect is limited; Thirdly, this scheme can only realize the switching of the different faces of same adsorption module, can't realize the position exchange of the strong and weak adsorption module of activity between different cavities, still has the problem of the adsorption face contact high concentration waste gas that the activity is not enough, and adsorption efficiency promotes limitedly, can't satisfy pickling waste gas continuous, stable, efficient purification demand. Therefore, the invention provides a seamless steel pipe pickling waste gas adsorption treatment device. Disclosure of Invention The invention aims to provide a seamless steel pipe pickling waste gas adsorption treatment device, which aims to solve the problems in the background technology. The seamless steel pipe pickling waste gas adsorption treatment device comprises an adsorption box, wherein a plurality of partition plates are arranged in the adsorption box, the adsorption box is divided into a plurality of chambers, a plurality of adsorption modules are arranged in each chamber, a communicated waste gas hole is formed between every two adjacent chambers, and an air inlet pipe and an air outlet pipe are respectively arranged on two sides of the adsorption box; a gas concentration detector is arranged at the exhaust gas hole of the chamber, the adsorption activity is judged by comparing the concentration difference of the exhaust gas hole of the chamber, and when the concentration difference is lower than 30% of the initial difference, the adsorption module is judged to have insufficient activity; The device also comprises an activity optimizing module arranged on the adsorption box, when the activity of the adsorption module of the head end chamber is insufficient, the activity optimizing module enables h