A by-product hydrochloric acid water absorption device

Abstract

This invention relates to a by-product hydrochloric acid water absorption device, comprising an absorption tank. The top of the absorption tank is equipped with a filter assembly for filtering impurities in the hydrochloric acid wastewater and neutralizing agent. Below the filter assembly is a neutralization assembly for neutralizing the hydrochloric acid wastewater and neutralizing agent, resulting in a hydrochloric acid aqueous solution. The bottom of the absorption tank is symmetrically equipped with absorption assemblies for absorbing the hydrochloric acid aqueous solution. A heating mechanism is provided on the outside of the absorption tank. This invention solves the problems of existing by-product hydrochloric acid water absorption devices, such as inadequate removal of impurities from the acidic wastewater before neutralization, leading to poor purity of the neutralized hydrochloric acid aqueous solution and poor absorption of subsequent hydrochloric acid solutions. Furthermore, existing by-product hydrochloric acid water absorption devices suffer from a small contact area between the hydrochloric acid aqueous solution and the absorbent, resulting in a low reaction rate.

Description

Technical Field

[0001] This invention relates to the field of hydrochloric acid wastewater treatment technology, specifically to a byproduct hydrochloric acid water absorption device. Background Technology

[0002] By-product hydrochloric acid water absorption equipment is used to treat by-product hydrochloric acid wastewater generated during industrial production processes. Its main function is to absorb and separate the hydrochloric acid solution from the wastewater using physical, chemical, and absorption methods to achieve purification. This equipment is widely used in industries such as chemical, metallurgical, and electroplating, effectively treating and utilizing the generated hydrochloric acid wastewater, reducing environmental pollution, and achieving wastewater resource recovery and recycling.

[0003] Chinese patent discloses a copper mine acidic wastewater treatment and recovery device (publication number: CN214597468U). This patent includes a column with a wastewater inlet pipe inside its cavity; a filter box located on one side of the column's bottom surface, with its cavity connected to the wastewater inlet pipe; a filter screen at the top of the filter box's cavity; a sludge pump at the bottom of the filter box's cavity; and a water filter box located on the top surface of the filter box, with its cavity connected to the filter box's cavity. A wastewater outlet pipe is bolted to one side of the water filter box. This utility model's sludge pump continuously discharges solid waste accumulated at the bottom of the filter box, eliminating the need for periodic cleaning. Rotating blades at one end of the pump body rotate with the threaded extrusion rod, preventing bridging of solid waste at the pump port, ensuring the sludge pump's efficiency, and preventing filter screen blockage, thus guaranteeing the filter screen's filtration efficiency.

[0004] Existing by-product hydrochloric acid water absorption equipment fails to adequately remove impurities from acidic wastewater before neutralization, resulting in poor purity of the neutralized hydrochloric acid solution. This leads to poor absorption of the hydrochloric acid solution in subsequent processes. Furthermore, the small contact area between the hydrochloric acid solution and the absorbent in existing by-product hydrochloric acid water absorption equipment results in a low reaction rate between the two.

[0005] To address the aforementioned shortcomings, a technical solution is provided. Summary of the Invention

[0006] The technical problem to be solved by this invention is as follows:

[0007] Existing by-product hydrochloric acid water absorption equipment fails to adequately remove impurities from acidic wastewater before neutralization, resulting in poor purity of the neutralized hydrochloric acid solution. This leads to poor absorption of the hydrochloric acid solution in subsequent processes. Furthermore, the small contact area between the hydrochloric acid solution and the absorbent in existing by-product hydrochloric acid water absorption equipment results in a low reaction rate between the two.

[0008] The objective of this invention can be achieved through the following technical solutions:

[0009] A byproduct hydrochloric acid water absorption device includes an absorption tank. The top of the absorption tank is equipped with a filter assembly for filtering impurities in the hydrochloric acid wastewater and neutralizing agent. Below the filter assembly is a neutralization assembly for neutralizing the hydrochloric acid wastewater and neutralizing agent, resulting in a hydrochloric acid aqueous solution. The bottom of the absorption tank is symmetrically equipped with absorption assemblies for absorbing the hydrochloric acid aqueous solution. An external heating mechanism is provided on the outside of the absorption tank for regulating the internal temperature.

[0010] The absorption assembly includes several absorption seats fixedly installed at the bottom of the absorption box. The side cross-section of the absorption seat is trapezoidal in shape, wider at the top and narrower at the bottom. An inlet pipe is provided through the absorption box for introducing absorbent into the absorption box. Several diversion plates are fixedly installed on the inner side of the absorption seat. The diversion plates divide the absorption seat into several diversion grooves. Several guide seats are fixedly installed in the diversion grooves.

[0011] Furthermore, a first feed pipe and a second feed pipe are fixedly installed on the top two sides of the absorption box, respectively. The first feed pipe is used to introduce hydrochloric acid wastewater into the absorption box, and the second feed pipe is used to introduce a neutralizing agent into the absorption box.

[0012] Furthermore, the filter assembly includes a filter seat fixedly installed inside the absorption box, a filter box rotatably installed in the middle of the filter seat via a flip shaft, a reset mechanism fixedly installed at both ends of the filter box, a filter groove opened on the top of the filter box, and a filter screen installed inside the filter groove.

[0013] Furthermore, a flipping motor is fixedly installed on the outside of the absorption box, a half gear is fixedly installed at the output end of the flipping motor, and a flipping gear is fixedly installed at one end of the flipping shaft. The flipping gear meshes with the geared part of the half gear.

[0014] Furthermore, the reset mechanism includes a reset seat fixedly mounted on the filter box, a reset shaft slidably mounted on the top of the reset seat, and a reset spring fixedly mounted between the bottom of the reset shaft and the reset seat.

[0015] Furthermore, the neutralization assembly includes a neutralization box fixedly installed inside the absorption box, the top of the neutralization box having an opening, a spiral shaft rotatably installed inside the neutralization box, a feeding mechanism fixedly installed at the bottom of the neutralization box, and a neutralization motor for driving the spiral shaft to rotate fixedly installed on one side of the absorption box, with the output end of the neutralization motor fixedly connected to the spiral shaft.

[0016] Furthermore, the feeding mechanism includes a feeding box fixedly installed at the bottom of the neutralizing box, with an opening through the middle of the feeding box, and several feeding plates rotatably installed inside the feeding box via a rotating shaft.

[0017] Furthermore, the feeding mechanism also includes a rotating gear fixedly installed at the end of the rotating shaft, and several transmission gears meshing between adjacent rotating gears. The number of transmission gears is odd, thereby ensuring that the rotation direction of the several rotating gears is the same, and one of the rotating gears is driven by a drive motor.

[0018] Furthermore, a flow guide groove is provided through the middle of the flow guide seat, and the side cross-section of the flow guide groove is trapezoidal in shape, wider at the top and narrower at the bottom.

[0019] The beneficial effects of this invention are:

[0020] In this invention, the filtration assembly allows hydrochloric acid wastewater and neutralizing agent to enter the absorption tank and then fall into the filter tank. Impurities are separated by the filter screen. A rotating motor drives a half-gear to rotate, which alternately meshes with the rotating gear, causing the filter tank to rotate within the filter seat. This increases the fluidity of the solution inside the filter tank and improves the filtration effect. A reset mechanism allows the filter tank to rotate to a certain angle, at which point the reset shaft abuts against the top of the absorption tank. The reset spring then resets the filter tank, preparing it for the next rotation. Furthermore, the reset mechanism allows the reset shaft to strike the filter tank during reset, generating vibrations that dislodge impurities from the filter screen pores, reducing clogging and further improving the filtration effect.

[0021] The neutralization component allows the hydrochloric acid wastewater and neutralizing agent, after impurity removal, to enter the neutralization tank. Driven by the neutralization motor, the spiral shaft rotates, improving the neutralization reaction efficiency of the hydrochloric acid wastewater and neutralizing agent. The feeding mechanism, when feeding is needed, drives one of the rotating gears via a drive motor, which in turn drives several transmission gears to rotate synchronously, causing several feeding plates to rotate synchronously. This changes the opening size of the feeding plates and the feeding box, allowing for the feeding of hydrochloric acid aqueous solution while adjusting the feeding speed to achieve optimal reaction results and improve practicality.

[0022] The absorption assembly allows the mixed solution of hydrochloric acid aqueous solution and absorbent to enter several absorption seats and be divided by several diversion plates, ensuring sufficient reaction area between the hydrochloric acid aqueous solution and absorbent. While flowing within the absorption tank, the hydrochloric acid aqueous solution and absorbent are guided and further divided by the flow guide seats, which agitate the hydrochloric acid aqueous solution and absorbent, improving absorption efficiency. The flow guide channels allow precipitates generated during the reaction to fall into the channels, achieving initial separation of the precipitates from the aqueous solution. Finally, solid calcium chloride and aqueous solution are discharged through the bottom of the absorption seats, where they are filtered, completing the absorption process of hydrochloric acid wastewater with excellent absorption efficiency. Attached Figure Description

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the internal structure of the absorption box in this invention;

[0026] Figure 3 This is a schematic diagram of the structure of the filter base and filter box in this invention;

[0027] Figure 4 This is a schematic diagram of the reset mechanism in this invention;

[0028] Figure 5 This is a schematic diagram of the feeding mechanism in this invention;

[0029] Figure 6 This is a top view of the feeding mechanism in this invention;

[0030] Figure 7 This is a schematic diagram of the inner structure of the absorption seat of the present invention;

[0031] Figure 8 This is a partial structural side view of the absorber.

[0032] In the diagram: 1. Absorption box; 2. Filter assembly; 3. Neutralization assembly; 4. Absorption assembly; 5. Heating mechanism; 11. First feed pipe; 12. Second feed pipe; 21. Filter seat; 22. Filter box; 23. Reset mechanism; 24. Tilting motor; 25. Half gear; 26. Tilting gear; 221. Filter screen; 231. Reset seat; 232. Reset shaft; 233. Reset spring; 31. Neutralization box; 32. Spiral shaft; 33. Feeding mechanism; 34. Neutralization motor; 331. Feeding box; 332. Feeding plate; 333. Rotating gear; 334. Transmission gear; 41. Absorption seat; 42. Liquid inlet pipe; 43. Diverter plate; 44. Guide seat; 441. Guide groove. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Please see Figures 1-8 The present invention provides a technical solution:

[0035] A byproduct hydrochloric acid water absorption device includes an absorption tank 1. A filter assembly 2 is installed at the top of the absorption tank 1 to filter impurities in the hydrochloric acid wastewater and neutralizing agent. Below the filter assembly 2, a neutralization assembly 3 is installed to neutralize the hydrochloric acid wastewater and neutralizing agent, resulting in a hydrochloric acid aqueous solution. Absorption assemblies 4 are symmetrically arranged at the bottom of the absorption tank 1 to absorb the hydrochloric acid aqueous solution. A heating mechanism 5 is installed outside the absorption tank 1 to regulate the internal temperature of the absorption tank 1.

[0036] The absorption tank 1 is fixedly installed on both sides of the top of the first feed pipe 1 and the second feed pipe 12 respectively. The first feed pipe 11 is used to introduce hydrochloric acid wastewater into the absorption tank 1, and the second feed pipe 12 is used to introduce a neutralizing agent into the absorption tank 1. The neutralizing agent can be an alkaline solution, so as to neutralize the hydrochloric acid wastewater.

[0037] The filter assembly 2 includes a filter seat 21 fixedly installed inside the absorption box 1. A filter box 22 is rotatably installed in the middle of the filter seat 21 via a flipping shaft. Both ends of the filter box 22 are fixedly provided with a reset mechanism 23.

[0038] The top of the filter box 22 is provided with a filter groove, and a filter screen 221 is installed inside the filter groove.

[0039] A flip motor 24 is fixedly installed on the outside of the absorption box 1. A half gear 25 is fixedly installed at the output end of the flip motor 24. A flip gear 26 is fixedly installed at one end of the flip shaft. The flip gear 26 meshes with the gear part of the half gear 25.

[0040] The reset mechanism 23 includes a reset seat 231 fixedly mounted on the filter box 22, a reset shaft 232 slidably mounted on the top of the reset seat 231, and a reset spring 233 fixedly mounted between the bottom of the reset shaft 232 and the reset seat 231.

[0041] With the filter assembly 2 in place, hydrochloric acid wastewater and neutralizing agent enter the absorption tank 1 and fall into the filter tank 22. Under the action of the filter screen 221, impurities are separated. The rotating motor 24 drives the half gear 25 to rotate, which alternately meshes with the rotating gear 26, causing the filter tank 22 to rotate within the filter seat 21. This increases the fluidity of the solution inside the filter tank 22 and improves the filtration effect. With the reset mechanism 23 in place, after the filter tank 22 rotates to a certain angle, the reset shaft 232 abuts against the top of the inside of the absorption tank 1. Under the action of the reset spring 233, the filter tank 22 is reset, waiting for the next rotation. Furthermore, the reset mechanism 23 can also knock the filter tank 22 during reset by the reset shaft 232, thereby generating vibration to shake off impurities in the filter screen 221 pores, reducing impurity blockage and further improving the filtration effect.

[0042] The neutralization component 3 includes a neutralization box 31 fixedly installed inside the absorption box 1. The top of the neutralization box 31 has an opening. A spiral shaft 32 is rotatably installed inside the neutralization box 31. A feeding mechanism 33 is fixedly installed at the bottom of the neutralization box 31. A neutralization motor 34 that drives the spiral shaft 32 to rotate is fixedly installed on one side of the absorption box 1. The output end of the neutralization motor 34 is fixedly connected to the spiral shaft 32.

[0043] The feeding mechanism 33 includes a feeding box 331 fixedly installed at the bottom of the neutralization box 31. The feeding box 331 has a through-hole in the middle and an opening. Inside the feeding box 331, a plurality of feeding plates 332 are rotatably arranged via a rotating shaft. The plurality of feeding plates 332 can form different angles with the side of the feeding box 331, thereby adjusting the feeding speed of the hydrochloric acid aqueous solution and controlling it to obtain the best reaction effect.

[0044] The feeding mechanism 33 also includes a rotating gear 333 fixedly installed at the end of the rotating shaft. Several transmission gears 334 are meshed between adjacent rotating gears 333. The number of transmission gears 334 is odd, thereby ensuring that the rotation direction of the several rotating gears 333 is the same. One of the rotating gears 333 is driven by a drive motor.

[0045] By setting the neutralization component 3, the hydrochloric acid wastewater and neutralizing agent, after removing impurities, enter the neutralization tank 31 and are driven by the neutralization motor 34 to rotate the spiral shaft 32, thereby improving the neutralization reaction efficiency of the hydrochloric acid wastewater and the neutralizing agent. The feeding mechanism 33 can drive one of the rotating gears 333 to rotate when feeding is required, and then cooperate with several transmission gears 334 to drive several rotating gears 333 to rotate synchronously, thereby driving several feeding plates 332 to rotate synchronously. By changing the opening size of the feeding plate 332 and the feeding tank 331, the feeding speed can be adjusted while feeding the hydrochloric acid aqueous solution, so as to control the best reaction effect and improve practicality.

[0046] The absorption assembly 4 includes several absorption seats 41 fixedly installed at the bottom of the absorption tank 1. The side cross-section of the absorption seat 41 is trapezoidal in shape, which is wider at the top and narrower at the bottom, so as to facilitate the full flow of hydrochloric acid aqueous solution and absorbent on the absorption seat 41. Several flow dividers 43 are fixedly installed on the inner side of the absorption seat 41. The flow dividers 43 divide the absorption seat 41 into several flow dividers to divide the hydrochloric acid aqueous solution and absorbent, ensuring that the hydrochloric acid aqueous solution and absorbent react fully. Several flow guide seats 44 are fixedly installed in the flow dividers.

[0047] The flow guide seat 44 has a flow guide groove 441 through the middle. The side cross section of the flow guide groove 441 is trapezoidal in shape, which is wider at the top and narrower at the bottom. This facilitates the initial separation of impurities generated during the absorption reaction and can further divert the reaction liquid to improve the reaction efficiency.

[0048] The absorption tank 1 is provided with a liquid inlet pipe 42, which is used to introduce an absorbent into the absorption tank 1. The absorbent can be calcium hydroxide, sodium hydroxide solution, etc.

[0049] By configuring the absorption component 4, the mixed solution of hydrochloric acid aqueous solution and absorbent enters into several absorption seats 41 and is divided by several diversion plates 43, ensuring sufficient reaction area between the hydrochloric acid aqueous solution and absorbent. While the hydrochloric acid aqueous solution and absorbent flow in the absorption tank, they are guided and further divided by the flow guide seat 44. The flow guide seat 44 agitates the hydrochloric acid aqueous solution and absorbent, improving the absorption effect. The flow guide channel 441 allows the precipitate generated during the reaction to fall into the flow guide channel 441, achieving preliminary separation of the reaction precipitate from the aqueous solution. Finally, solid calcium chloride and aqueous solution are discharged through the bottom of the absorption seat 41, and the solid calcium chloride and aqueous solution are filtered to complete the absorption process of hydrochloric acid wastewater, resulting in good absorption effect.

[0050] Working principle:

[0051] In use, hydrochloric acid wastewater and a neutralizing agent are introduced into the absorption tank 1 through the first feed pipe 11 and the second feed pipe 12, respectively. After entering the absorption tank 1, the hydrochloric acid wastewater and the neutralizing agent fall into the filter tank 22, where impurities are separated by the filter screen 221. The rotating motor 24 drives the half gear 25 to rotate, which alternately meshes with the rotating gear 26, causing the filter tank 22 to rotate within the filter seat 21. This increases the fluidity of the solution inside the filter tank 22 and improves the filtration effect. With the reset mechanism 23, after the filter tank 22 rotates to a certain angle, the reset shaft 232 abuts against the top of the inside of the absorption tank 1, thereby resetting the filter tank 22 under the action of the reset spring 233, waiting for the next rotation of the filter tank 22. Furthermore, the reset mechanism 23 can also knock the filter tank 22 during reset by the reset shaft 232, thereby generating vibration to shake off impurities in the filter screen 221 pores and reduce impurity blockage.

[0052] The hydrochloric acid wastewater and neutralizing agent, after impurities have been removed, enter the neutralization tank 31 and are driven by the neutralization motor 34 to rotate the spiral shaft 32, thereby improving the neutralization reaction efficiency of the hydrochloric acid wastewater and the neutralizing agent. The feeding mechanism 33 can drive one of the rotating gears 333 to rotate when feeding is required, which in turn drives several transmission gears 334 to rotate several rotating gears 333 synchronously, thereby driving several feeding plates 332 to rotate synchronously. This changes the opening size of the feeding plates 332 and the feeding tank 331, allowing the hydrochloric acid aqueous solution to be fed while the feeding speed can be adjusted to control the optimal reaction effect.

[0053] The absorbent is introduced into the absorption tank 1 through the inlet pipe 42, allowing the mixed solution of hydrochloric acid aqueous solution and absorbent to enter the interior of several absorption seats 41. Under the action of several diversion plates 43, the solution is divided to ensure sufficient reaction area between the hydrochloric acid aqueous solution and absorbent. While the hydrochloric acid aqueous solution and absorbent flow in the absorption tank, they are guided and further divided by the action of the guide seat 44. The guide seat 44 agitates the hydrochloric acid aqueous solution and absorbent, improving the absorption effect. The guide channel 441 is designed so that the precipitate generated during the reaction falls into the guide channel 441, achieving preliminary separation of the reaction precipitate from the aqueous solution. Finally, solid calcium chloride and aqueous solution are discharged through the bottom of the absorption seat 41. The solid calcium chloride and aqueous solution are filtered to complete the absorption process of hydrochloric acid wastewater.

[0054] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A byproduct hydrochloric acid water absorption device, comprising an absorption tank (1), characterized in that, The top of the absorption box (1) is provided with a filter assembly (2) for filtering impurities in hydrochloric acid wastewater and neutralizing agent. Below the filter assembly (2) is a neutralization assembly (3) for neutralizing hydrochloric acid wastewater and neutralizing agent. After neutralization, hydrochloric acid wastewater and neutralizing agent are used to obtain hydrochloric acid aqueous solution. The bottom of the absorption box (1) is symmetrically provided with an absorption assembly (4) for absorbing hydrochloric acid aqueous solution. The outside of the absorption box (1) is provided with a heating mechanism (5) for adjusting the internal temperature of the absorption box (1). The absorption assembly (4) includes several absorption seats (41) fixedly installed at the bottom of the absorption box (1). The side cross section of the absorption seat (41) is a trapezoidal shape that is wider at the top and narrower at the bottom. An inlet pipe (42) is provided through the absorption box (1). The inlet pipe (42) is used to introduce absorbent into the absorption box (1). Several diversion plates (43) are fixedly provided on the inner side of the absorption seat (41). The diversion plates (43) divide the absorption seat (41) into several diversion grooves. Several guide seats (44) are fixedly provided in the diversion grooves. The filter assembly (2) includes a filter seat (21) fixedly installed inside the absorption box (1). A filter box (22) is rotatably installed in the middle of the filter seat (21) via a flip shaft. A reset mechanism (23) is fixedly installed at both ends of the filter box (22). A filter groove is opened on the top of the filter box (22), and a filter screen (221) is installed inside the filter groove. A flip motor (24) is fixedly installed on the outside of the absorption box (1). A half gear (25) is fixedly installed at the output end of the flip motor (24). A flip gear (26) is fixedly installed at one end of the flip shaft. The flip gear (26) meshes with the gear part of the half gear (25). The reset mechanism (23) includes a reset seat (231) fixedly mounted on the filter box (22), a reset shaft (232) slidably mounted on the top of the reset seat (231), and a reset spring (233) fixedly mounted between the bottom of the reset shaft (232) and the reset seat (231).

2. The by-product hydrochloric acid water absorption device according to claim 1, characterized in that, The top two sides of the absorption box (1) are respectively fixedly installed with a first feed pipe (11) and a second feed pipe (12). The first feed pipe (11) is used to pass hydrochloric acid wastewater into the absorption box (1), and the second feed pipe (12) is used to pass a neutralizing agent into the absorption box (1).

3. The by-product hydrochloric acid water absorption device according to claim 1, characterized in that, The neutralization component (3) includes a neutralization box (31) fixedly installed inside the absorption box (1). The top of the neutralization box (31) is provided with an opening. A spiral shaft (32) is rotatably installed inside the neutralization box (31). A feeding mechanism (33) is fixedly installed at the bottom of the neutralization box (31). A neutralization motor (34) that drives the spiral shaft (32) to rotate is fixedly installed on one side of the absorption box (1). The output end of the neutralization motor (34) is fixedly connected to the spiral shaft (32).

4. The by-product hydrochloric acid water absorption device according to claim 3, characterized in that, The feeding mechanism (33) includes a feeding box (331) fixedly installed at the bottom of the neutralization box (31). The feeding box (331) has an opening in the middle and several feeding plates (332) are rotatably installed inside the feeding box (331) via a rotating shaft.

5. The by-product hydrochloric acid water absorption device according to claim 4, characterized in that, The feeding mechanism (33) also includes a rotating gear (333) fixedly installed at the end of the rotating shaft. Several transmission gears (334) are meshed between adjacent rotating gears (333). The number of transmission gears (334) is odd, so as to ensure that the rotation direction of several rotating gears (333) is the same. One of the rotating gears (333) is driven by a drive motor.

6. The by-product hydrochloric acid water absorption device according to claim 1, characterized in that, The guide seat (44) has a guide groove (441) through the middle, and the side cross section of the guide groove (441) is a trapezoidal shape that is wider at the top and narrower at the bottom.

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