Sewage recovery device for concrete production

Abstract

The utility model relates to the technical field of concrete production, in particular to a sewage recovery device for concrete production, which comprises a first reaction kettle, a sewage inlet component is mounted on one side of the first reaction kettle, a stirring component is mounted in the first reaction kettle, and the bottom of the first reaction kettle is fixedly connected with the top of a filter component. The bottom of the filtering assembly is fixedly connected with the top of the second reaction kettle, a feeding and discharging assembly is installed on the side face of the second reaction kettle, a dirt cleaning assembly is installed at the bottom of the second reaction kettle, and a plurality of supporting columns are installed at the bottom of the second reaction kettle. According to the improved sewage recovery device, primary solid settling and filtering treatment can be carried out on concrete sewage, and most solid particles in the sewage are filtered; some heavy metal ions and the like dissolved in water are subjected to chemical precipitation treatment in the second reaction kettle, and byproducts generated by precipitation are discharged for recycling.

Description

Technical Field

[0001] This utility model relates to the field of concrete production technology, specifically to a wastewater recycling device for concrete production. Background Technology

[0002] A concrete production line is a combined unit used for centralized mixing of concrete, also known as a precast concrete plant. The concrete production and processing process often generates large amounts of wastewater and sewage. Concrete wastewater often contains not only solid particles but also large amounts of heavy metal ions and oily substances, and its pH value is often alkaline. Therefore, multiple treatment processes are usually required before discharge to meet recycling and discharge requirements.

[0003] During the design process of this utility model, the following problems were discovered in the existing technology:

[0004] Most existing concrete wastewater treatment devices use physical sedimentation to treat particulate matter in wastewater. This method is often limited and requires further treatment by other devices, making it inconvenient and unportable. Utility Model Content

[0005] The purpose of this invention is to provide a wastewater recycling device for concrete production, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wastewater recycling device for concrete production, comprising a first reactor, a wastewater inlet assembly installed on one side of the first reactor, a stirring assembly installed inside the first reactor, a bottom of the first reactor fixedly connected to the top of a filter assembly, a bottom of the filter assembly fixedly connected to the top of a second reactor, a feeding and discharging assembly installed on the side of the second reactor, a cleaning assembly installed at the bottom of the second reactor, and several support columns installed at the bottom of the second reactor;

[0007] The filter assembly includes a filter element drawer, which is hollow inside. The top of the filter element drawer is fixedly connected to the bottom of the first reactor, and the bottom of the filter element drawer is fixedly connected to the top of the second reactor. The inner wall of the filter element drawer is movably sleeved with the outer wall of the filter. A drawer handle is installed on one side of the filter element drawer.

[0008] More preferably, the first reactor has an internal hollow cavity structure with a semi-circular upper part and a cylindrical lower part, and the second reactor has an internal hollow cavity structure with a cylindrical upper part and a conical lower part, and the vertical center lines of the first reactor, the filter and the second reactor are aligned.

[0009] More preferably, the waste inlet assembly includes a waste inlet pipe, and the waste inlet pipe is equipped with a waste inlet pump, with one end of the waste inlet pipe passing through the outside of the first reactor to its interior.

[0010] More preferably, the stirring assembly includes a stirring motor, and one end of the output shaft of the stirring motor is connected to one end of the stirring shaft via a coupling. Several stirrers are mounted on the outside of the stirring shaft, and the stirrers are arranged in a ring around the central axis of the stirring shaft.

[0011] More preferably, the feeding and discharging assembly includes a feeding pipe and a feeding pump installed on the feeding pipe. One end of the feeding pipe passes through the outside of the second reactor to its interior, and a discharging pipe is installed on the opposite side of the second reactor. The discharging pipe is equipped with a discharging pump, and the feeding pipe and the discharging pipe are symmetrically distributed about the central axis of the second reactor.

[0012] More preferably, the cleaning assembly includes a cleaning motor, and one end of the output shaft of the cleaning motor passes through one side of the cleaning pipe to its interior and is fixedly connected to one end of the cleaning device. The top of the cleaning pipe is fixedly connected to the bottom of the second reactor.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] By combining physical sedimentation and chemical precipitation into one device, multiple wastewater treatment methods can be combined, which can greatly improve the efficiency of concrete wastewater treatment and reduce unnecessary manpower and material consumption in multiple treatment stages. It can also recycle the precipitated products, making wastewater treatment more economical and portable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a front view full sectional structural diagram of the present invention;

[0017] Figure 3 This is a cross-sectional view of the first reaction vessel of this utility model;

[0018] Figure 4 This is a schematic diagram of the filter assembly structure of this utility model;

[0019] Figure 5 This is a cross-sectional view of the second reaction vessel of this utility model.

[0020] In the diagram: 1. First reactor; 2. Sludge inlet assembly; 201. Sludge inlet pipe; 202. Sludge inlet pump; 3. Stirring assembly; 301. Stirring motor; 302. Stirring shaft; 303. Stirrer; 4. Filter assembly; 401. Filter element drawer; 402. Filter; 403. Drawer handle; 5. Second reactor; 6. Feeding and discharging assembly; 601. Feeding pipe; 602. Feeding pump; 603. Discharge pipe; 604. Discharge pump; 7. Sludge cleaning assembly; 701. Sludge cleaning motor; 702. Sludge cleaning pipe; 703. Sludge cleaner; 8. Support column. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1 to 5 This utility model provides a technical solution: a wastewater recycling device for concrete production, including a first reaction vessel 1, a wastewater inlet assembly 2 installed on one side of the first reaction vessel 1, a stirring assembly 3 installed inside the first reaction vessel 1, the bottom of the first reaction vessel 1 fixedly connected to the top of a filter assembly 4, the bottom of the filter assembly 4 fixedly connected to the top of a second reaction vessel 5, a feeding and discharging assembly 6 installed on the side of the second reaction vessel 5, a cleaning assembly 7 installed at the bottom of the second reaction vessel 5, and several support columns 8 installed at the bottom of the second reaction vessel 5;

[0023] The filter assembly 4 includes a filter element drawer 401, which is hollow inside. The top of the filter element drawer 401 is fixedly connected to the bottom of the first reactor 1, and the bottom of the filter element drawer 401 is fixedly connected to the top of the second reactor 5. The inner wall of the filter element drawer 401 is movably sleeved with the outer wall of the filter 402. A drawer handle 403 is installed on one side of the filter element drawer 401.

[0024] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the first reactor 1 has an internal hollow cavity structure with a semi-circular upper part and a cylindrical lower part, and the second reactor 5 has an internal hollow cavity structure with a cylindrical upper part and a conical lower part. The vertical center lines of the first reactor 1, the filter 402 and the second reactor 5 are aligned.

[0025] In this embodiment, as Figure 3As shown, the wastewater inlet assembly 2 includes a wastewater inlet pipe 201, and a wastewater inlet pump 202 is installed on the wastewater inlet pipe 201. One end of the wastewater inlet pipe 201 passes through the outside of the first reactor 1 to its interior.

[0026] In this embodiment, as Figure 3 As shown, the stirring assembly 3 includes a stirring motor 301, and one end of the output shaft of the stirring motor 301 is connected to one end of the stirring shaft 302 via a coupling. Several stirrers 303 are installed on the outside of the stirring shaft 302, and the several stirrers 303 are distributed in a ring around the central axis of the stirring shaft 302.

[0027] In this embodiment, as Figure 5 As shown, the feeding and discharging assembly 6 includes a feeding pipe 601, and a feeding pump 602 is installed on the feeding pipe 601. One end of the feeding pipe 601 passes through the outside of the second reactor 5 to its interior, and a discharging pipe 603 is installed on the opposite side of the second reactor 5. A discharging pump 604 is installed on the discharging pipe 603, and the feeding pipe 601 and the discharging pipe 603 are symmetrically distributed about the central axis of the second reactor 5.

[0028] In this embodiment, as Figure 5 As shown, the cleaning assembly 7 includes a cleaning motor 701, and one end of the output shaft of the cleaning motor 701 passes through one side of the cleaning pipe 702 to its interior and is fixedly connected to one end of the cleaner 703. The top of the cleaning pipe 702 is fixedly connected to the bottom of the second reactor 5.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the working process of this wastewater recovery device for concrete production is as follows:

[0030] First, the wastewater pump 202 is started to pump wastewater into the first reactor 1 through the wastewater inlet pipe 201. The stirring motor 301 is started, which drives the stirring shaft 302 connected to it to rotate, thereby driving the annularly distributed agitator 303 to rotate, thus accelerating the sedimentation of larger particles in the wastewater. The particles are filtered by the filter 402 that is movably sleeved in the filter element drawer 401. The preliminarily filtered wastewater enters the second reactor 5. The feed pump 602 is started to pump flocculant and acidic substances into the second reactor 5 through the feed pipe 601 to react with the wastewater and produce precipitates. The treated wastewater is pumped out of the discharge pipe 603 by the discharge pump 604, while the precipitates fall into the cleaning pipe 702 under gravity. The cleaning motor 701 drives the cleaning device 703 connected to it in the cleaning pipe 702 to rotate and complete the discharge and recovery operation of the precipitates. The annularly distributed support columns 8 support the entire equipment to keep it stable.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A wastewater recycling device for concrete production, comprising a first reaction vessel (1), characterized in that: A sludge inlet assembly (2) is installed on one side of the first reactor (1), a stirring assembly (3) is installed inside the first reactor (1), the bottom of the first reactor (1) is fixedly connected to the top of the filter assembly (4), the bottom of the filter assembly (4) is fixedly connected to the top of the second reactor (5), a feed and discharge assembly (6) is installed on the side of the second reactor (5), a cleaning assembly (7) is installed at the bottom of the second reactor (5), and several support columns (8) are installed at the bottom of the second reactor (5). The filter assembly (4) includes a filter element drawer (401), which is hollow inside. The top of the filter element drawer (401) is fixedly connected to the bottom of the first reactor (1), and the bottom of the filter element drawer (401) is fixedly connected to the top of the second reactor (5). The inner wall of the filter element drawer (401) is movably sleeved with the outer wall of the filter (402). A drawer handle (403) is installed on one side of the filter element drawer (401).

2. The wastewater recycling device for concrete production according to claim 1, characterized in that: The first reactor (1) has a hollow cavity structure with a semi-circular upper part and a cylindrical lower part, and the second reactor (5) has a hollow cavity structure with a cylindrical upper part and a conical lower part. The vertical center lines of the first reactor (1), the filter (402), and the second reactor (5) are aligned.

3. The wastewater recovery device for concrete production according to claim 2, characterized in that: The inlet assembly (2) includes an inlet pipe (201) and an inlet pump (202) is installed on the inlet pipe (201). One end of the inlet pipe (201) passes through the outside of the first reactor (1) to its interior.

4. A wastewater recycling device for concrete production according to claim 3, characterized in that: The stirring assembly (3) includes a stirring motor (301), and one end of the output shaft of the stirring motor (301) is connected to one end of the stirring shaft (302) via a coupling. Several stirrers (303) are installed on the outside of the stirring shaft (302), and the several stirrers (303) are distributed in a ring around the central axis of the stirring shaft (302).

5. A wastewater recycling device for concrete production according to claim 4, characterized in that: The feeding and discharging assembly (6) includes a feeding pipe (601) and a feeding pump (602) installed on the feeding pipe (601). One end of the feeding pipe (601) passes through the outside of the second reactor (5) to its interior. A discharge pipe (603) is installed on the opposite side of the second reactor (5). A discharge pump (604) is installed on the discharge pipe (603). The feeding pipe (601) and the discharge pipe (603) are symmetrically distributed about the central axis of the second reactor (5).

6. A wastewater recycling device for concrete production according to claim 5, characterized in that: The cleaning assembly (7) includes a cleaning motor (701), and one end of the output shaft of the cleaning motor (701) passes through one side of the cleaning pipe (702) to its interior and is fixedly connected to one end of the cleaner (703). The top of the cleaning pipe (702) is fixedly connected to the bottom of the second reactor (5).

Images