CN213707842U

CN213707842U - Special sodium hypochlorite degassing unit of sewage treatment plant

Info

Publication number: CN213707842U
Application number: CN202022220254.8U
Authority: CN
Inventors: 黄卫新; 黄卫东
Original assignee: Chongqing Hehongxin Environmental Protection Technology Co ltd
Current assignee: Chongqing Hehongxin Environmental Protection Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-16
Anticipated expiration: 2030-09-30

Abstract

The utility model belongs to a sewage treatment device, in particular to a sodium hypochlorite disinfection device special for a sewage treatment plant, which comprises a treatment box, wherein the sewage box is communicated with the treatment box through a pipeline a and a pipeline b, a middle water box is communicated with the treatment box through a pipeline c, a stirring shaft is arranged in an inner cavity of the treatment box, a stirring blade is arranged on the stirring shaft, a release port is arranged on the stirring blade, the stirring shaft and the stirring blade are both provided with inner cavities and are communicated with the inner cavities of the stirring shaft and the stirring blade, the lower end of the stirring shaft is provided with a motor, the upper end of the stirring shaft is provided with a disinfectant box, and the disinfectant box is communicated with; the pipeline d is provided with a detection valve b, and the detection valve a and the detection valve b are respectively electrically connected with a controller with a PLC control chip through leads. The utility model has the advantages of the disinfection process is more abundant more high-efficient, replace manual operation, and is more convenient, and the security is higher.

Description

Special sodium hypochlorite degassing unit of sewage treatment plant

Technical Field

The utility model belongs to a sewage treatment device, in particular to a sodium hypochlorite disinfection device special for a sewage treatment plant.

Background

Sewage is a waste-laden liquid or water mixed with ground water, surface water, storm snow, etc. discharged from a residential, institutional, commercial or industrial area, and can be classified into four types, industrial wastewater, domestic sewage, commercial sewage, and surface runoff according to the source of sewage.

The components in the sewage are very complex, the sewage contains a large amount of pathogenic bacteria, viruses, chemical substances and the like, if the sewage from various sources is not treated, various serious problems can be caused, the environment is greatly damaged, the health of a human body is greatly threatened, once the sewage enters a clean water source, a plurality of times or even tens of times of water bodies can be polluted, and various diseases and infectious diseases can be caused by the random discharge of the sewage.

Therefore, sewage disinfection treatment is particularly important in the current society, sodium hypochlorite can be selected to treat sewage in the prior art, the method is low in cost and simple and easy to implement, but a disinfection mode is mostly manually put in at present, the mode is directly put in, so that the contact area between the sewage and the sodium hypochlorite is small, the disinfection is insufficient, the disinfection efficiency is low, the sodium hypochlorite is harmful to the human body, the safety coefficient of manual operation is low, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model provides a special sodium hypochlorite degassing unit of sewage treatment plant for direct input makes sewage less with the area of contact of sodium hypochlorite among the solution prior art, and the disinfection is insufficient, the problem of disinfection inefficiency and security low.

In order to solve the technical problem, the utility model discloses a following technical scheme:

sewage treatment plant special sodium hypochlorite degassing unit, its characterized in that: the sewage treatment device comprises a treatment tank with an inner cavity, wherein a sewage tank is arranged on one side of the treatment tank and is communicated with the treatment tank through a pipeline a and a pipeline b; the other side of the treatment tank is provided with a reclaimed water tank which is communicated with the treatment tank through a pipeline c; the inner cavity of the treatment box is internally provided with a stirring shaft, the stirring shaft is provided with at least two stirring blades, the stirring blades are provided with at least one release port, the stirring shaft and the stirring blades are both provided with inner cavities, and the inner cavities of the stirring shaft and the stirring blades are mutually communicated; the lower end of the stirring shaft is provided with a motor, the upper end of the stirring shaft is provided with a disinfectant tank, and the disinfectant tank is communicated with the stirring shaft through a pipeline d; a rotating mechanism is arranged at the joint of the stirring shaft and the pipeline d; the pipeline c is provided with a detection valve a, the pipeline d is provided with a detection valve b, and the detection valve a and the detection valve b are respectively electrically connected with a controller with a PLC control sheet through leads.

Furthermore, a partition plate is arranged in an inner cavity of the treatment box, the stirring shaft penetrates through the partition plate, and the motor is located below the partition plate.

Furthermore, a connecting interface with an inner cavity is arranged at the joint of the upper end of the stirring shaft and the pipeline d, and the connecting interface is provided with an opening and the opening is upward.

Further, rotary mechanism includes bearing and leak protection silica gel pad, leak protection silica gel pad is located the inner chamber bottom of connection interface, the bearing is arranged in the inner chamber of connection interface, the lower extreme of pipeline d passes the bearing and arrives the last plane of leak protection silica gel pad, the internal diameter of pipeline d and the internal diameter phase-match of leak protection silica gel pad.

Further, the pipeline a is higher than the pipeline b in position, and the pipeline a is connected with the sewage tank at the top of the sewage tank.

Furthermore, an opening and closing valve is arranged on the pipeline b.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses a special sodium hypochlorite degassing unit of sewage treatment plant, semi-automatization mechanical operation replaces manual operation with the machine, and the security obtains the guarantee.

2. The utility model discloses a special sodium hypochlorite degassing unit of sewage treatment plant, (mixing) shaft and the inside cavity of stirring leaf, (mixing) shaft intercommunication antiseptic solution case is provided with the release mouth on the stirring leaf, stirs in the working process and releases the antiseptic solution on one side for the disinfection process is abundant more high-efficient more.

3. The utility model discloses a special sodium hypochlorite degassing unit of sewage treatment plant has adopted the overflow mouth design, prevents to handle the case and transships to return the sewage in the sewage case and already contain the antiseptic solution, form secondary disinfection, make the disinfection more thorough.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic structural view of the cross section of the stirring shaft of the present invention;

in the drawings: 1. a treatment tank; 2. a sewage tank; 3. a pipeline a; 4. a pipe b; 5. a reclaimed water tank; 6. a pipe c; 7. a stirring shaft; 8. stirring blades; 9. a release port; 10. a motor; 11. a disinfectant tank; 12. a pipe d; 13. a rotation mechanism; 14. Detecting a valve a; 15. detecting a valve b; 16. a controller having a PLC control chip; 17. a partition plate; 18. connecting an interface; 19. A bearing; 20. a leak-proof silica gel pad; 21. and opening and closing the valve.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, the sodium hypochlorite sterilizing device specially used for sewage treatment plant comprises a treatment tank 1 having an inner cavity, a sewage tank 2 is arranged at one side of the treatment tank 1, and the sewage tank 2 is communicated with the treatment tank 1 through a pipeline a 3 and a pipeline b 4; the other side of the treatment tank 1 is provided with a reclaimed water tank 5, and the reclaimed water tank 5 is communicated with the treatment tank 1 through a pipeline c 6; a stirring shaft 7 is arranged in the inner cavity of the treatment box 1, at least two stirring blades 8 are arranged on the stirring shaft 7, at least one release port 9 is arranged on each stirring blade 8, the stirring shaft 7 and the stirring blades 8 are both provided with inner cavities, and the inner cavities of the stirring shaft 7 and the stirring blades 8 are mutually communicated; the lower end of the stirring shaft 7 is provided with a motor 10, the upper end of the stirring shaft 7 is provided with a disinfectant tank 11, and the disinfectant tank 11 is communicated with the stirring shaft 7 through a pipeline d 12; a rotating mechanism 13 is arranged at the joint of the stirring shaft 7 and the pipeline d 12; the pipeline c 6 is provided with a detection valve a 14, the pipeline d 12 is provided with a detection valve b 15, and the detection valve a 14 and the detection valve b 15 are respectively electrically connected with a controller 16 with a PLC control sheet through leads. In this embodiment, the device has replaced the manual work, has improved the operation security, and (mixing) shaft and the inside cavity of stirring leaf, (mixing) shaft intercommunication antiseptic solution case are provided with the release mouth on the stirring leaf, release antiseptic solution while stirring in the working process for the disinfection process is abundant more high-efficient more.

In the above embodiment, it is preferable that: a partition plate 17 is arranged in the inner cavity of the treatment box 1, the stirring shaft 7 penetrates through the partition plate 17, and the motor 10 is positioned below the partition plate 17. In the embodiment, the motor is separated by the partition plate, so that the motor is protected from water.

In the above embodiment, it is preferable that: the connection interface 18 with an inner cavity is arranged at the connection part of the upper end of the stirring shaft 7 and the pipeline d 12, and the connection interface 18 is provided with an opening and the opening is upward. In this embodiment, the connection interface facilitates connection of the stirring shaft with the pipeline d.

In the above embodiment, it is preferable that: the rotating mechanism 13 comprises a bearing 19 and a leakage-proof silica gel pad 20, the leakage-proof silica gel pad 20 is positioned at the bottom of the inner cavity of the connecting interface 18, the bearing 19 is positioned in the inner cavity of the connecting interface 18, the lower end of the pipeline d 12 penetrates through the bearing 19 and reaches the upper plane of the leakage-proof silica gel pad 20, and the inner diameter of the pipeline d 12 is matched with the inner diameter of the leakage-proof silica gel pad 20. In this embodiment, rotary mechanism provides the guarantee for the (mixing) shaft rotates, and leak protection silica gel pad has prevented that disinfectant from oozing out in the course of the work, has improved the security.

In the above embodiment, it is preferable that: the pipe a 3 is positioned higher than the pipe b 4, and the connection position of the pipe a 3 and the waste water tank 2 is at the top of the waste water tank 2. In the embodiment, the overflow port design is adopted, the treatment box is prevented from being overloaded, and the sewage returned to the sewage box already contains disinfectant, so that secondary disinfection is formed, and the disinfection is more thorough.

In the above embodiment, it is preferable that: the pipe b 4 is provided with an opening/closing valve 21. In the embodiment, the opening and closing valve can control the discharge of sewage at any time, so that the operation is more flexible.

The utility model discloses a use method: the utility model discloses a method of use explains mainly to the device structure, in the above-mentioned embodiment, each part is the product of selling in fact, so do not add its principle in excess and describe; firstly, the motor is started, the stirring shaft starts to rotate, the opening and closing valve is opened, the sewage in the sewage tank is injected into the treatment tank through the pipeline b, the detection valve a can detect the concentration of sodium hypochlorite in the sewage, the detection valve a is preset with a concentration range which allows the sodium hypochlorite to pass, when the sewage reaches the detection valve a, the detection valve a starts to detect, when the concentration of sodium hypochlorite in the sewage is not enough, the detection valve a is closed and does not pass through, meanwhile, the detection valve a transmits signals to the controller with the PLC control chip, then the controller with the PLC control chip transmits instructions to open the detection valve b, the disinfectant enters the stirring shaft and the stirring blades from the disinfectant tank through the pipeline d and is released into the treatment tank through the release port, when the sodium hypochlorite concentration of the sewage in the treatment tank reaches the standard, the detection valve a is opened, and the sewage in the treatment tank enters the reclaimed water tank through the pipeline c to wait for further treatment; when the concentration of sodium hypochlorite in the treatment tank is too high, the detection valve a is immediately closed and does not pass through, signals are transmitted to the controller with the PLC control sheet, and then the controller with the PLC control sheet transmits instructions to close the detection valve b until the concentration of sodium hypochlorite in the sewage in the treatment tank reaches the standard again, and the steps are repeated; when the sewage in the treatment tank is excessive, the excessive sewage flows back to the sewage tank through the pipe a.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a special sodium hypochlorite degassing unit of sewage treatment plant which characterized in that: the sewage treatment device comprises a treatment tank (1) with an inner cavity, wherein a sewage tank (2) is arranged on one side of the treatment tank (1), and the sewage tank (2) is communicated with the treatment tank (1) through a pipeline a (3) and a pipeline b (4); the other side of the treatment box (1) is provided with a middle water tank (5), and the middle water tank (5) is communicated with the treatment box (1) through a pipeline c (6); a stirring shaft (7) is arranged in an inner cavity of the treatment box (1), at least two stirring blades (8) are arranged on the stirring shaft (7), at least one release port (9) is arranged on each stirring blade (8), the stirring shaft (7) and the stirring blades (8) are respectively provided with an inner cavity, and the inner cavities of the stirring shaft (7) and the stirring blades (8) are mutually communicated; a motor (10) is arranged at the lower end of the stirring shaft (7), a disinfectant tank (11) is arranged at the upper end of the stirring shaft (7), and the disinfectant tank (11) is communicated with the stirring shaft (7) through a pipeline d (12); a rotating mechanism (13) is arranged at the joint of the stirring shaft (7) and the pipeline d (12); the pipeline c (6) is provided with a detection valve a (14), the pipeline d (12) is provided with a detection valve b (15), and the detection valve a (14) and the detection valve b (15) are respectively electrically connected with a controller (16) with a PLC control sheet through leads.

2. The sodium hypochlorite degassing unit special for sewage treatment plants according to claim 1, characterized in that: a partition plate (17) is arranged in an inner cavity of the treatment box (1), the stirring shaft (7) penetrates through the partition plate (17), and the motor (10) is located below the partition plate (17).

3. The sodium hypochlorite degassing unit special for sewage treatment plants according to claim 2, characterized in that: a connecting interface (18) with an inner cavity is arranged at the joint of the upper end of the stirring shaft (7) and the pipeline d (12), and the connecting interface (18) is provided with an opening and the opening is upward.

4. The sodium hypochlorite degassing unit special for sewage treatment plants according to claim 3, characterized in that: rotary mechanism (13) are including bearing (19) and leak protection silica gel pad (20), leak protection silica gel pad (20) are located the inner chamber bottom of connecting interface (18), bearing (19) are located the inner chamber of connecting interface (18), the lower extreme of pipeline d (12) passes bearing (19) and arrives the last plane of leak protection silica gel pad (20), the internal diameter of pipeline d (12) and the internal diameter phase-match of leak protection silica gel pad (20).

5. The sodium hypochlorite degassing unit special for sewage treatment plants according to claim 4, characterized in that: the position height of the pipeline a (3) is higher than that of the pipeline b (4), and the connecting position of the pipeline a (3) and the sewage tank (2) is at the top of the sewage tank (2).

6. The sodium hypochlorite degassing unit special for sewage treatment plants according to claim 5, characterized in that: and an opening and closing valve (21) is arranged on the pipeline b (4).