A laboratory sewage pretreatment device

Abstract

The utility model discloses a laboratory sewage pretreatment device, including the box, be provided with motor assembly in the box, be provided with the stirring subassembly on motor assembly, be provided with neutralization subassembly on the box, be provided with control assembly on the box, the bottom of box is provided with the blowdown component, the bottom of box is provided with the water outlet pipe, the inner chamber of box is provided with the filter plate, the inner chamber of box is provided with activated carbon adsorption board. When the neutralizing agent is added in the box, the waste liquid is mixed and stirred fully through the motor assembly driving the stirring subassembly, and the waste liquid is neutralized conveniently, the box is divided into a plurality of chambers through the control assembly, the waste liquid is filtered and treated through the filter plate and activated carbon adsorption board conveniently, when the control assembly opens, the precipitate or solid particle at the bottom of waste liquid is filtered through the baffle and filter plate, and the floating particle in the filtered waste water is adsorbed through or activated carbon adsorption board, and the filtered waste liquid can be discharged out of the device through the water outlet pipe.

Description

Technical Field

[0001] This utility model relates to the field of wastewater pretreatment technology, specifically a wastewater pretreatment device for laboratory use. Background Technology

[0002] The primary goal of laboratory wastewater treatment is to remove harmful substances from wastewater to meet discharge standards or reuse requirements. Pretreatment is the first step in wastewater treatment, typically employing preliminary methods such as screening, sedimentation, and filtration to remove suspended solids, precipitates, and other contaminants.

[0003] When pretreating and adjusting laboratory wastewater, the presence of acidic solutions necessitates the addition of reagents to adjust the pH if the wastewater does not meet national wastewater discharge standards. However, adding reagents to acidic wastewater without thorough stirring can lead to inaccurate pH readings, affecting the pretreatment process. Furthermore, traditional filtration methods, relying solely on filter plates, are prone to incomplete impurity removal. Therefore, to address these issues, we need to design a laboratory wastewater pretreatment device. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0006] A laboratory wastewater pretreatment device, comprising:

[0007] The box contains a motor assembly, a stirring assembly, a neutralization assembly, and a control assembly. A sewage discharge assembly and a water outlet pipe are located at the bottom of the box. A filter plate and an activated carbon adsorption plate are also located within the inner cavity of the box.

[0008] In a preferred embodiment of the laboratory wastewater pretreatment device of this utility model, the motor assembly includes a motor, a rotating roller, a rotating plate, and a first gear. The motor is fixedly connected to the top of the housing, the rotating roller is fixedly connected to the motor, the rotating plate is fixedly connected to the rotating roller, and the first gear is fixedly connected to the rotating roller.

[0009] In a preferred embodiment of the laboratory wastewater pretreatment device of this utility model, the stirring assembly includes a second gear, a connecting rod, a stirring plate, a limiting plate, a toothed groove, and a positioning plate. A rotating groove is provided in the housing. The limiting plate is fixedly connected to the top of the connecting rod, the stirring plate is fixedly connected to the bottom of the connecting rod, the second gear is fixedly connected to the connecting rod, the toothed groove is fixedly connected to the rotating groove, the second gear meshes with the toothed groove, the first gear meshes with the second gear, the rotating roller is rotatably connected to the positioning plate, the connecting rod is rotatably connected to the positioning plate, and the positioning plate is rotatably connected to the top of the toothed groove.

[0010] In a preferred embodiment of the laboratory wastewater pretreatment device of this utility model, the neutralization component includes a water pump, a connecting pipe, a spray pipe, a pumping pipe, and a water tank. The water pump is fixedly connected to the top of the tank. One end of the connecting pipe is fixedly connected to the water pump, and the other end of the connecting pipe is fixedly connected to the spray pipe. One end of the pumping pipe is fixedly connected to the water pump, and the other end of the pumping pipe is located in the water tank.

[0011] In a preferred embodiment of the laboratory wastewater pretreatment device of this utility model, the control component includes a cylinder and a baffle. A lifting groove is provided on the top of the box. The cylinder is fixedly connected to the box, the baffle is fixedly connected to the cylinder, and the baffle is slidably connected to the lifting groove.

[0012] In a preferred embodiment of the laboratory wastewater pretreatment device of this utility model, the sewage discharge assembly includes a first sewage discharge pipe and a second sewage discharge pipe. The first sewage discharge pipe is fixedly connected to the bottom of the box and is equipped with a first solenoid valve. The second sewage discharge pipe is fixedly connected to the bottom of the box and is equipped with a second solenoid valve. The outlet pipe is equipped with a third solenoid valve.

[0013] As a preferred embodiment of the laboratory wastewater pretreatment device of this utility model, the box body is equipped with a control panel, a pH meter, a water inlet pipe, a partition in the inner cavity of the box body, a placement slot, a placement plate, a filter plate, and an activated carbon adsorption plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: When using this device, when laboratory wastewater enters the device for pretreatment, the neutralization component can neutralize the wastewater in the device, avoiding excessive acidity. Simultaneously, when the neutralization component adds the neutralizing agent into the chamber, the motor component drives the stirring component to fully mix and stir the waste liquid in the chamber, facilitating neutralization. The control component can divide the chamber into multiple chambers, facilitating filtration of the waste liquid through filter plates and activated carbon adsorption plates. When the control component is opened, the partition and filter plates can filter the sediment or solid particles at the bottom of the laboratory waste liquid, and the activated carbon adsorption plates can adsorb floating particles in the filtered wastewater. The filtered waste liquid can then be discharged from the device through the outlet pipe. Simultaneously, the sewage discharge component treats the sediment generated during waste liquid filtration. Furthermore, the placement plate allows for the replacement of the filter plates and activated carbon adsorption plates, preventing their filtration efficiency from deteriorating after prolonged use and affecting the device's pretreatment operation. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0016] Figure 1 This is a front view of the overall structure of a laboratory wastewater pretreatment device according to the present invention;

[0017] Figure 2 This is a schematic cross-sectional view of the overall structure of a laboratory wastewater pretreatment device according to the present invention;

[0018] Figure 3 This is an exploded view of the overall structure of a laboratory wastewater pretreatment device according to the present invention;

[0019] Figure 4 This is a schematic diagram of the stirring component in a laboratory wastewater pretreatment device according to the present invention;

[0020] Figure 5 This is a schematic diagram of the water pump assembly in a laboratory wastewater pretreatment device according to the present invention. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0024] Please see Figures 1-5 This utility model provides a laboratory wastewater pretreatment device, comprising:

[0025] The box 101 contains a motor assembly 110, a stirring assembly 120, a neutralization assembly 130, and a control assembly 140. A sewage discharge assembly 102 and a water outlet pipe 103 are located at the bottom of the box 101. A filter plate 104 and an activated carbon adsorption plate 105 are also located within the inner cavity of the box 101.

[0026] Specifically, when wastewater enters the device for pretreatment, the neutralization component 130 neutralizes the wastewater to prevent it from becoming too acidic. Simultaneously, when the neutralization component 130 adds a neutralizing agent to the tank 101, the motor component 110 drives the stirring component 120 to thoroughly mix the waste liquid inside the tank 101, facilitating neutralization. The control component 140 divides the tank 101 into multiple chambers. When the control component 140 is activated, the waste liquid can be filtered through the filter plate 104 and activated carbon adsorption plate 105, thus pretreating the wastewater. Furthermore, the filtered waste liquid is discharged from the device through the outlet pipe 103, and the precipitate generated during filtration is treated through the sewage discharge component 102.

[0027] Please see Figures 1-4The motor assembly 110 includes a motor 110a, a rotating roller 110b, a rotating plate 110c, and a first gear 110d. The motor 110a is fixedly connected to the top of the housing 101, the rotating roller 110b is fixedly connected to the motor 110a, the rotating plate 110c is fixedly connected to the rotating roller 110b, and the first gear 110d is fixedly connected to the rotating roller 110b. The stirring assembly 120 includes a second gear 120a, a connecting rod 120b, a stirring plate 120c, a limiting plate 120d, a toothed groove 120e, and a positioning plate 120f. A rotating groove 101d is provided in the housing 101. The limiting plate 120d is fixedly connected to the top of the connecting rod 120b, the stirring plate 120c is fixedly connected to the bottom of the connecting rod 120b, the second gear 120a is fixedly connected to the connecting rod 120b, the toothed groove 120e is fixedly connected to the rotating groove 101d, the second gear 120a meshes with the toothed groove 120e, the first gear 110d meshes with the second gear 120a, the rotating roller 110b is rotatably connected to the positioning plate 120f, the connecting rod 120b is rotatably connected to the positioning plate 120f, and the positioning plate 120f is rotatably connected to the top of the toothed groove 120e.

[0028] Specifically, when the neutralizing component 130 adds the neutralizing agent to the waste liquid in the tank 101, the motor 110a operates, causing the rotating roller 110b to drive the rotating plate 110c to rotate, which can stir the waste liquid in the tank 101. At the same time, when the rotating roller 110b operates, it will drive the first gear 110d to rotate. Since the second gear 120a meshes with the tooth groove 120e, and the first gear 110d meshes with the second gear 120a, and the tooth groove 120e is fixedly connected in the rotating groove 101d, when the first gear 110d rotates, it will cause the second gear 120a to drive the connecting rod 120b to rotate around the first gear 110d on the tooth groove 120e, which can make the connecting rod 120b rotate. While rotating on its own axis, the connecting rod 120b also rotates on the toothed groove 120e, thereby enabling the stirring plate 120c to stir the waste liquid. This facilitates thorough mixing of the waste liquid and neutralizing agent, which is beneficial for the pretreatment of wastewater. Furthermore, the positioning plate 120f rotates on the toothed groove 120e, and the limiting plate 120d at the top of the connecting rod 120b is located at the top of the positioning plate 120f. This prevents the second gear 120a from separating from the toothed groove 120e and the first gear 110d when rotating on the toothed groove 120e, which would affect the stirring operation of the device and the neutralization of the wastewater, thus impacting the pretreatment of wastewater.

[0029] Please see Figures 1-5The neutralization component 130 includes a water pump 130a, a connecting pipe 130b, a spray pipe 130c, a water suction pipe 130d, and a water tank 130e. The water pump 130a is fixedly connected to the top of the housing 101. One end of the connecting pipe 130b is fixedly connected to the water pump 130a, and the other end of the connecting pipe 130b is fixedly connected to the spray pipe 130c. One end of the water suction pipe 130d is fixedly connected to the water pump 130a, and the other end of the water suction pipe 130d is located in the water tank 130e.

[0030] Specifically, when the alkaline neutralizing agent in water tank 130e needs to be added to tank 101 to neutralize the acidic wastewater in tank 101, the solution in water tank 130e is drawn out from the pump pipe 130d by the pump 130a and sprayed into the waste liquid inside the tank 101 from the spray pipe 130c through the connecting pipe 130b. This neutralizes the acidic wastewater and prevents the wastewater from failing to meet national wastewater discharge standards, thus affecting the device's pretreatment of laboratory wastewater.

[0031] Please see Figures 1-3 The control component 140 includes a cylinder 140a and a baffle 140b. A lifting groove 140c is provided on the top of the housing 101. The cylinder 140a is fixedly connected to the housing 101, and the baffle 140b is fixedly connected to the cylinder 140a and slidably connected to the lifting groove 140c. A control panel 101a is provided on the housing 101. A pH meter 101b is provided on the housing 101. A water inlet pipe 101c is provided on the top of the housing 101. A partition 101e is provided in the inner cavity of the housing 101. A placement groove 101f is provided on the housing 101. A placement plate 101g is provided in the placement groove 101f. A filter plate 104 is fixedly connected to one placement plate 101g, and an activated carbon adsorption plate 105 is fixedly connected to the other placement plate 101g.

[0032] Specifically, the control panel 101a allows for operation of the device, facilitating its operation; the inlet pipe 101c allows laboratory wastewater to enter the chamber 101 for pretreatment; simultaneously, when wastewater enters the chamber 101, the pH meter 101b can detect the pH level to prevent excessive acidity that would fail to meet national wastewater discharge standards and affect the device's pretreatment of laboratory wastewater; the baffle 140b divides the chamber 101 into three chambers, sealing the chambers. When filtration of the neutralized wastewater is required, the cylinder 140a operates, causing the baffle 140b to rise and fall. The wastewater rises in tank 140c, allowing it to pass through filter plate 104 into the second chamber. Simultaneously, since filter plate 104 is positioned on baffle plate 101e, it filters and blocks sediment and solid particles at the bottom of the wastewater, preventing them from entering the second chamber. Furthermore, when baffle plate 140b is opened, the wastewater entering the second chamber can pass through activated carbon adsorption plate into the third chamber, undergoing secondary filtration. This prevents impurities or floating matter from remaining in the wastewater after filtration through filter plate 104, thus improving the device's pretreatment capabilities and enhancing its practicality.

[0033] Please see Figures 1-3 The sewage discharge assembly 102 includes a first sewage discharge pipe 102a and a second sewage discharge pipe 102b. The first sewage discharge pipe 102a is fixedly connected to the bottom of the housing 101 and is equipped with a first solenoid valve 102c. The second sewage discharge pipe 102b is fixedly connected to the bottom of the housing 101 and is equipped with a second solenoid valve 102d. The water outlet pipe 103 is equipped with a third solenoid valve 103a.

[0034] Specifically, by opening the third solenoid valve 103a, the filtered wastewater can be discharged from the outlet pipe 103; furthermore, when the second solenoid valve 102d is opened, the wastewater and sediment in the first chamber can be discharged from the device through the second drain pipe 102b; at the same time, by opening the first solenoid valve 102c, the wastewater in the second chamber can be discharged from the first drain pipe 102a.

[0035] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A laboratory wastewater pretreatment device, characterized in that, include: The box (101) is equipped with a motor assembly (110), a stirring assembly (120) is provided on the motor assembly (110), a neutralization assembly (130) is provided on the box (101), a control assembly (140) is provided on the box (101), a sewage discharge assembly (102) is provided at the bottom of the box (101), a water outlet pipe (103) is provided at the bottom of the box (101), a filter plate (104) is provided in the inner cavity of the box (101), and an activated carbon adsorption plate (105) is provided in the inner cavity of the box (101). The sewage discharge assembly (102) includes a first sewage discharge pipe (102a) and a second sewage discharge pipe (102b). The first sewage discharge pipe (102a) is fixedly connected to the bottom of the housing (101), and a first solenoid valve (102c) is provided on the first sewage discharge pipe (102a). The second sewage discharge pipe (102b) is fixedly connected to the bottom of the housing (101), and a second solenoid valve (102d) is provided on the second sewage discharge pipe (102b). A third solenoid valve (103a) is provided on the water outlet pipe (103). The box (101) is equipped with a control panel (101a), a pH meter (101b) is installed on the box (101), a water inlet pipe (101c) is installed on the top of the box (101), a partition (101e) is installed in the inner cavity of the box (101), a placement slot (101f) is installed on the box (101), a placement plate (101g) is installed in the placement slot (101f), a filter plate (104) is fixedly connected to one of the placement plates (101g), and an activated carbon adsorption plate (105) is fixedly connected to the other placement plate (101g).

2. The laboratory wastewater pretreatment device according to claim 1, characterized in that, The motor assembly (110) includes a motor (110a), a rotating roller (110b), a rotating plate (110c), and a first gear (110d). The motor (110a) is fixedly connected to the top of the housing (101), the rotating roller (110b) is fixedly connected to the motor (110a), the rotating plate (110c) is fixedly connected to the rotating roller (110b), and the first gear (110d) is fixedly connected to the rotating roller (110b).

3. A laboratory wastewater pretreatment device according to claim 2, characterized in that, The stirring assembly (120) includes a second gear (120a), a connecting rod (120b), a stirring plate (120c), a limiting plate (120d), a toothed groove (120e), and a positioning plate (120f). A rotating groove (101d) is provided in the housing (101). The limiting plate (120d) is fixedly connected to the top of the connecting rod (120b), and the stirring plate (120c) is fixedly connected to the bottom of the connecting rod (120b). The second gear (120a) is fixedly connected to the bottom of the connecting rod (120f). On the connecting rod (120b), the toothed groove (120e) is fixedly connected to the rotating groove (101d), the second gear (120a) meshes with the toothed groove (120e), the first gear (110d) meshes with the second gear (120a), the rotating roller (110b) is rotatably connected to the positioning plate (120f), the connecting rod (120b) is rotatably connected to the positioning plate (120f), and the positioning plate (120f) is rotatably connected to the top of the toothed groove (120e).

4. A laboratory wastewater pretreatment device according to claim 1, characterized in that, The neutralization assembly (130) includes a water pump (130a), a connecting pipe (130b), a spray pipe (130c), a water suction pipe (130d), and a water tank (130e). The water pump (130a) is fixedly connected to the top of the housing (101). One end of the connecting pipe (130b) is fixedly connected to the water pump (130a), and the other end of the connecting pipe (130b) is fixedly connected to the spray pipe (130c). One end of the water suction pipe (130d) is fixedly connected to the water pump (130a), and the other end of the water suction pipe (130d) is located in the water tank (130e).

5. A laboratory wastewater pretreatment device according to claim 1, characterized in that, The control component (140) includes a cylinder (140a) and a baffle (140b). The top of the housing (101) is provided with a lifting groove (140c). The cylinder (140a) is fixedly connected to the housing (101), and the baffle (140b) is fixedly connected to the cylinder (140a). The baffle (140b) is slidably connected to the lifting groove (140c).

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