Online treatment device for acid-base neutralization waste liquid

Abstract

The invention relates to an acid-base neutralization waste liquid on-line treatment device, and relates to the technical field of wastewater treatment, the acid-base neutralization waste liquid on-line treatment device comprises a neutralization box, the neutralization box is communicated with a filter box through a connecting pipe, and the top of the neutralization box is provided with a pH detection sensor, an acid liquid storage tank, an alkali liquid storage tank and a dual-purpose air pump I; a transfer piece is fixed in the neutralization box, a thin film and a main hose with a floating ball are arranged on the transfer piece, the floating ball is spherical, a lower ball cavity is formed in the floating ball, and a plurality of pressure holes are formed in the circumferential direction of the lower half ball; a transfer cavity is formed in the transfer piece, and a transfer storage box is fixed in the transfer cavity; one end of the output pipe is communicated with the acid liquor storage tank, the alkali liquor storage tank and the dual-purpose air pump I, and a dual-purpose air pump II is mounted in the transfer piece; an acid-base neutralization solution is injected into the neutralization box through the floating ball, and the main hose is stirred up and down by the dual-purpose air pump II to realize stirring.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment, in particular to an online treatment device for acid-base neutralization waste liquid. Background Art

[0002] Acidic and alkaline wastewater, containing components such as sulfuric acid, hydrochloric acid, and sodium hydroxide, is a common pollutant in industrial production. If discharged directly, these wastewaters can corrode pipes, damage aquatic ecosystems, and cause environmental damage by forming acid rain or alkaline mist. Environmental protection requirements dictate that the pH of wastewater be adjusted to neutral before discharge into water bodies or municipal sewers. Therefore, acid-base neutralization technology has become a critical step in wastewater treatment.

[0003] Comparative document CN118084173B discloses an acid-base neutralization treatment device for coking wastewater, including an acid-base neutralization treatment box, which is provided with a stirring mechanism and a neutralizer dosing mechanism; the stirring mechanism includes a driving mechanism arranged at the top of the acid-base neutralization treatment box and a stirring device arranged on the inner side of the acid-base neutralization treatment box and driven to rotate by the driving mechanism, the stirring device includes a rotating shaft rotatably connected to the middle part of the inner side of the acid-base neutralization treatment box, and the side wall of the rotating shaft is provided with a stirring main blade; the rotating shaft and the stirring main blade are both hollow structures, and the top of the rotating shaft is open, and the neutralizer dosing mechanism can be used to achieve uniform addition of neutralizer into the wastewater, so that the neutralizer can be relatively evenly distributed inside the wastewater at the beginning of addition, thereby greatly shortening the stirring and mixing efficiency.

[0004] During actual use, the above-mentioned equipment has low accuracy in liquid injection control, a relatively complex structure, and difficulty in subsequent maintenance. Summary of the Invention

[0005] Aiming at the technical problems existing in the prior art, the present invention provides an online treatment device for acid-base neutralization waste liquid. As the liquid level of the waste liquid rises step by step, acid neutralization liquid or alkali neutralization liquid is injected into the float through the output pipe and enters the waste liquid every time the liquid level rises by 5 cm; the film contracts downward, driving the main hose to move downward as a whole, and the dual-purpose air pump repeatedly sucks, so that the main hose stirs the waste liquid. The technical effect is achieved.

[0006] The technical solution of the present invention for solving the above-mentioned technical problems is as follows: an online treatment device for acid-base neutralization waste liquid comprises a neutralization box, which is connected to a filter box via a connecting pipe, a pH check sensor is further provided on the top of the neutralization box, an acid storage tank, an alkali storage tank and a dual-purpose air pump are provided on the top of the neutralization box, a transfer piece is fixed in the neutralization box, a film and a main hose with a float are provided on the transfer piece; the neutralization box also comprises an output pipe, one end of the output pipe is respectively connected to the acid storage tank, the alkali storage tank and the dual-purpose air pump, and the other end passes through the neutralization box and is connected to the transfer piece, a dual-purpose air pump is installed in the transfer piece; the acid-base neutralization liquid is injected into the neutralization box via the float, and the dual-purpose air pump causes the main hose to move up and down to achieve stirring; The transfer member has a transfer cavity formed therein, a transfer tank is fixed in the transfer cavity, the other end of the output pipe passes through the transfer member and is connected to the transfer tank; one end of the plurality of main hoses passes through the film and the transfer member and is connected to the transfer tank; The film is an arc-shaped structure and forms a cavity together with the top of the transfer member; the dual-purpose air pump 2 is fixed in the transfer cavity and communicates with the cavity of the film, and a capsule 1 is fixed to the other end of the film; The float is spherical, a lower ball cavity is opened in the float, and a plurality of pressure holes are opened in the circumference of the lower hemisphere.

[0007] Furthermore, a partition is fixed in the middle of the interior of the float, which divides the interior of the float into an upper hemisphere as an upper ball cavity and a lower hemisphere as a lower ball cavity through the partition; a fluid replenishment tank is installed on the top of the neutralization box, and the fluid replenishment tank is connected to the upper ball cavity through a fluid replenishment tube; the fluid replenishment tube is arranged in the output pipe and is connected to the upper ball cavity through the main hose and the partition; a miniature dual-purpose water pump is provided at the port of the fluid replenishment tank, and the fluid replenishment tank is filled with liquid (liquid with higher density).

[0008] Furthermore, a main wheel is rotatably connected in the cavity formed by the film and the top of the transfer member, and a gear controlled by a motor is also fixed in the cavity; the inner ring of the main wheel is provided with teeth, which mesh with the gear; a fixed rod is fixed on the top of the main wheel, and a top rod is slidably connected to the fixed rod through a spring, and a top ball is also fixed on the top of the top rod, and the top ball is always in contact with the film.

[0009] Furthermore, multiple main hoses are arranged circumferentially on the film, and a secondary hose is also provided in the middle. The secondary hose has the same structure as the main hose, and a float is fixed on the top; multiple main hoses are connected circumferentially through linkages and converge on the float on the secondary hose; a micro motor is fixed in the cavity formed by the film and the top of the transfer part; a pull rope is fixed to the output end of the micro motor, and the other end of the pull rope is fixed to the lower end of the secondary hose.

[0010] The beneficial effects of the present invention are as follows: as the liquid level of the waste liquid rises step by step, acid neutralizing liquid or alkali neutralizing liquid is injected into the float through the output pipe every time the liquid level rises by 5 cm, the internal pressure of the lower ball cavity of the float increases, causing the pressure hole to open, that is, the acid neutralizing liquid or alkali neutralizing liquid enters the waste liquid, so that the acid and alkali neutralizing liquid is evenly injected into the waste liquid; the film contracts downward to drive the main hose to move downward as a whole, and the dual-purpose air pump repeatedly sucks, so that the main hose evenly stirs the waste liquid. Technical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A schematic structural diagram of an online treatment device for acid-base neutralization waste liquid; Figure 2 A schematic diagram of the transfer component structure of an online acid-base neutralization waste liquid treatment device; Figure 3 A schematic diagram of the transfer tank structure of an online acid-base neutralization waste liquid treatment device; Figure 4 A schematic diagram of a float structure of an online treatment device for acid-base neutralization waste liquid; Figure 5 A schematic structural diagram of a liquid replenishing tank of Example 2 of an online acid-base neutralization waste liquid treatment device; Figure 6 A schematic diagram of the float structure of Example 2 of an online acid-base neutralization waste liquid treatment device; Figure 7 A schematic structural diagram of embodiment 3 of an online treatment device for acid-base neutralization waste liquid; Figure 8 A schematic diagram of the main wheel structure of Example 3 of an online acid-base neutralization waste liquid treatment device; Figure 9 A diagram of the associated distribution structure of Example 4 of an online acid-base neutralization waste liquid treatment device; Figure 10 A diagram of the pull rope structure of Example 4 of an online acid-base neutralization waste liquid treatment device.

[0012] In the accompanying drawings, the components represented by the reference numerals are as follows: 100. Neutralization box, 101. Connecting pipe, 102. Filter box, 103. pH check sensor, 110. Acid storage tank, 120. Alkali storage tank, 130. Output pipe, 140. Dual-purpose air pump 1, 200. Transfer component, 201. Transfer chamber, 202. Transfer storage tank, 203. Film, 210. Main hose, 211. Auxiliary hose, 220. Float, 221. Lower ball chamber, 222. Pressure hole, 223. Partition, 224. Upper ball chamber, 230. Dual-purpose air pump 2, 231. Capsule 1, 240. Fluid replenishment tank, 241. Fluid replenishment tube, 250. Main wheel, 251. Gear, 252. Fixing rod, 253. Push rod, 254. Push ball, 260. Joint, 270. Micro motor, 271. Pull rope. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0014] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the described features. In the description of this application, "plurality" means two or more, unless otherwise specifically specified.

[0015] In the description of this application, the term "for example" is used to mean "used as an example, illustration or explanation". Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is given to enable any person skilled in the art to implement and use the present invention. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art will recognize that the present invention can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present invention with unnecessary details. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in this application.

[0016] Example 1 See also Figures 1 to 4 The embodiment of the present invention provides an online treatment device for acid-base neutralization waste liquid, including a neutralization box 100, which is connected to a filter box 102 through a connecting pipe 101, a pH check sensor 103 is provided on the top of the neutralization box 100, an acid storage tank 110, an alkali storage tank 120 and a dual-purpose air pump 140 are provided on the top of the neutralization box 100, a transfer piece 200 is fixed in the neutralization box 100, and a film 203 and a float 220 are provided on the transfer piece 200. The neutralization box 100 further includes an output pipe 130, one end of which is respectively connected to the acid storage tank 110, the alkali storage tank 120 and the dual-purpose air pump 140, and the other end passes through the neutralization box 100 and is connected to the transfer member 200. The transfer member 200 is equipped with a dual-purpose air pump 230; the acid and alkali neutralizing solution is injected into the neutralization box 100 through the float 220, and the dual-purpose air pump 230 causes the main hose 210 to be moved up and down to achieve stirring; The transfer member 200 has a transfer chamber 201 formed therein, a transfer tank 202 fixed therein, the other end of the output tube 130 passing through the transfer member 200 and communicating with the transfer tank 202; one end of the plurality of main hoses 210 passes through the film 203 and the transfer member 200 and communicates with the transfer tank 202; The film 203 is an arc-shaped structure and forms a cavity together with the top of the transfer member 200; the dual-purpose air pump 230 is fixed in the transfer cavity 201 and communicates with the cavity of the film 203. The other end of the film 203 is fixed with a capsule 231; The float ball 220 is spherical, and a lower ball cavity 221 is opened in the float ball 220 . A plurality of pressure holes 222 are opened in the circumference of the lower hemisphere.

[0017] Specific implementation: First, the waste liquid is filled into the neutralization box 100. As the liquid level rises, the float 220 is driven to float. As the liquid level of the waste liquid gradually rises, according to the pH value displayed by the pH check sensor 103, the acid neutralizer or alkali neutralizer is injected into the float 220 through the output pipe 130 every time the liquid level rises by 5 cm. The acid neutralizer or alkali neutralizer enters the lower ball cavity 221 of the float 220. The internal pressure of the lower ball cavity 221 increases, causing the pressure hole 222 to open, that is, the acid neutralizer or alkali neutralizer enters the waste liquid. This process is injected step by step according to the rising liquid level. When the waste liquid injection is stopped, the dual-use Air pump 2 230 and dual-purpose air pump 1 140, dual-purpose air pump 230 extracts the gas in the film 203, causing the capsule 1 231 to expand, and the film 203 contracts downward, driving the main hose 210 to move downward as a whole. The dual-purpose air pump 230 repeatedly pumps, causing the main hose 210 to have a stirring effect. The dual-purpose air pump 140 fills the output pipe 130 with gas. During the stirring process of the main hose 210, the gas is discharged through the pressure hole 222 in the float 220, which also has a stirring effect. After neutralization is completed, the waste liquid is discharged to the filter box 102 through the connecting pipe 101 for subsequent treatment.

[0018] Example 2 In order to enable the float 220 to stir at different heights in the neutralization box 100 after the waste liquid is injected, this embodiment makes further improvements: See also Figure 5 and Figure 6 The embodiment of the present invention provides an online treatment device for acid-base neutralization waste liquid. A partition 223 is fixed in the middle of the float 220, and the partition 223 divides the float 220 into an upper ball cavity 224 and a lower ball cavity 221. A liquid replenishing tank 240 is installed on the top of the neutralization box 100, and the liquid replenishing tank 240 is connected to the upper spherical cavity 224 through a liquid replenishing tube 241; the liquid replenishing tube 241 is arranged in the output pipe 130 and passes through the main hose 210 and the partition 223 to be connected to the upper spherical cavity 224; a micro dual-purpose water pump is provided at the port of the liquid replenishing tank 240, and the liquid replenishing tank 240 is filled with liquid (liquid with higher density).

[0019] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages: After the waste liquid is injected, the liquid replenishing tank 240 uses a micro dual-purpose water pump to transport the liquid with higher density to the liquid replenishing tube 241, and then injects it into the upper ball cavity 224 through the liquid replenishing tube 241, so that the float 220 sinks due to gravity. The micro dual-purpose water pump then extracts the liquid with higher density, allowing the float 220 to float out of the liquid surface, so that the float 220 can stir at different heights in the neutralization box 100 after the waste liquid is injected.

[0020] Example 3 In order to make the stirring more sufficient, the present embodiment makes further improvements: See also Figure 7 and Figure 8 The embodiment of the present invention provides an online treatment device for acid-base neutralization waste liquid. The membrane 203 and the cavity formed on the top of the transfer member 200 are rotatably connected to a main wheel 250, and a gear 251 controlled by a motor is also fixed in the cavity; the inner ring of the main wheel 250 is provided with teeth, which mesh with the gear 251; A fixing rod 252 is fixed to the top of the main wheel 250 , and a top rod 253 is slidably connected to the fixing rod 252 via a spring. A top ball 254 is also fixed to the top of the top rod 253 , and the top ball 254 is always in contact with the film 203 .

[0021] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages: The motor rotates the gear 251 to drive the main wheel 250 to rotate, and the main wheel 250 drives the fixed rod 252 to rotate. The top ball 254 on the top rod 253 performs a circular motion, causing the main hose 210 passing through the film 203 to swing in a circle. The float 220 on the outermost main hose 210 scrapes the inner wall of the neutralization box 100 when swinging in a circle, so that the main hose 210 stirs the waste liquid more fully.

[0022] Example 4 In order to allow the main hose 210 to be stirred while filling the acid-base neutralization solution during the process of filling the waste liquid into the neutralization box 100, the present embodiment makes further improvements: See also Figure 9 and Figure 10The embodiment of the present invention provides an online treatment device for acid-base neutralization waste liquid. The plurality of main hoses 210 are arranged circumferentially on the film 203, and a secondary hose 211 is provided in the middle. The secondary hose 211 has the same structure as the main hose 210, and a float 220 is fixed on the top. The plurality of main hoses 210 are circumferentially connected by a connecting strap 260 and converge on the float 220 on the secondary hose 211. A micro motor 270 is fixed in the cavity formed by the film 203 and the top of the transfer member 200 ; a pull rope 271 is fixed to the output end of the micro motor 270 , and the other end of the pull rope 271 is fixed to the lower end of the auxiliary hose 211 .

[0023] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages: During the process of filling the waste liquid and acid-base neutralizing liquid into the neutralization box 100, the micro motor 270 is started to rotate forward and reverse, and the pull rope 271 is repeatedly pulled to make the auxiliary hose 211 move up and down repeatedly. Through the linkage 260 and multiple floats 220, there is a local stirring effect with the auxiliary hose 211 as the center. The auxiliary hose 211 can drive the waste liquid and acid-base neutralizing liquid to gather at the center of the auxiliary hose 211 downward, and the auxiliary hose 211 can diffuse the waste liquid and acid-base liquid outward from the center of the auxiliary hose 211 upward, and as the liquid level rises, the number of reciprocating pulls of the auxiliary hose 211 gradually decreases; by pulling the pull rope 271 by the micro motor 270, the pull rope 271 pulls the auxiliary hose 211, so that the acid and base liquid can be filled and stirred at the same time.

[0024] It should be noted that, in the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant description of other embodiments.

[0025] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. An online treatment device for acid-base neutralization waste liquid, comprising a neutralization box (100), the neutralization box (100) being connected to a filter box (102) via a connecting pipe (101), and a pH detection sensor (103) being provided on the top of the neutralization box (100), characterized in that: An acid storage tank (110), an alkali storage tank (120) and a dual-purpose air pump (140) are provided on the top of the neutralization box (100), a transfer piece (200) is fixed in the neutralization box (100), and a film (203) and a main hose (210) with a float (220) are provided on the transfer piece (200); the neutralization box (100) further includes an output pipe (130), one end of the output pipe (130) is respectively connected to the acid storage tank (110), the alkali storage tank (120) and the dual-purpose air pump (140), and the other end passes through the neutralization box (100) and is connected to the transfer piece (200), and a dual-purpose air pump (230) is installed in the transfer piece (200); the acid and alkali neutralization solution is injected into the neutralization box (100) through the float (220), and the dual-purpose air pump (230) causes the main hose (210) to be moved up and down to achieve stirring.

2. The online treatment device for acid-base neutralization waste liquid according to claim 1, characterized in that: A transfer cavity (201) is formed in the transfer member (200), a transfer tank (202) is fixed in the transfer cavity (201), the other end of the output pipe (130) passes through the transfer member (200) and is in communication with the transfer tank (202); one end of the plurality of main hoses (210) passes through the film (203) and the transfer member (200) and is in communication with the transfer tank (202).

3. The online treatment device for acid-base neutralization waste liquid according to claim 1, characterized in that: The film (203) is an arc-shaped structure and forms a cavity together with the top of the transfer member (200); the dual-purpose air pump (230) is fixed in the transfer cavity (201) and communicates with the cavity of the film (203); and the other end of the film (203) is fixed with a capsule (231).

4. The online treatment device for acid-base neutralization waste liquid according to claim 1, characterized in that: The float (220) is spherical, with a lower ball cavity (221) formed in the float (220), and a plurality of pressure holes (222) formed in the circumference of the lower hemisphere.

5. The online treatment device for acid-base neutralization waste liquid according to claim 4, characterized in that: A partition (223) is fixed in the middle of the floating ball (220), and the upper hemisphere of the floating ball (220) is divided into an upper ball cavity (224) and a lower hemisphere into a lower ball cavity (221) by the partition (223).

6. The online treatment device for acid-base neutralization waste liquid according to claim 5, characterized in that: A liquid replenishing tank (240) is installed on the top of the neutralization box (100), and the liquid replenishing tank (240) is connected to the upper spherical cavity (224) through a liquid replenishing tube (241); the liquid replenishing tube (241) is arranged in the output tube (130) and passes through the main hose (210) and the partition (223) to be connected to the upper spherical cavity (224); a micro dual-purpose water pump is provided at the port of the liquid replenishing tank (240), and the liquid replenishing tank (240) is filled with liquid.

7. The online treatment device for acid-base neutralization waste liquid according to claim 3, characterized in that: A main wheel (250) is rotatably connected in a cavity formed between the film (203) and the top of the transfer member (200), and a gear (251) controlled by a motor is also fixed in the cavity; the inner ring of the main wheel (250) is provided with teeth, which mesh with the gear (251); a fixed rod (252) is fixed on the top of the main wheel (250), and a top rod (253) is slidably connected in the fixed rod (252) via a spring; a top ball (254) is also fixed on the top of the top rod (253), and the top ball (254) is always in contact with the film (203).

8. The online treatment device for acid-base neutralization waste liquid according to claim 7, characterized in that: The plurality of main hoses (210) are circumferentially arranged on the film (203), and a secondary hose (211) is also provided in the middle. The secondary hose (211) has the same structure as the main hose (210), and a float (220) is fixed on the top. The plurality of main hoses (210) are circumferentially connected by a connecting strap (260) and converge at the float (220) on the secondary hose (211).

9. The online treatment device for acid-base neutralization waste liquid according to claim 8, characterized in that: A micro motor (270) is fixed in the cavity formed by the film (203) and the top of the transfer member (200); a pull rope (271) is fixed to the output end of the micro motor (270), and the other end of the pull rope (271) is fixed to the lower end of the auxiliary hose (211).

10. Use of the online acid-base neutralization waste liquid treatment device according to any one of claims 1 to 9 in the field of wastewater treatment.

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