CN217051672U

CN217051672U - Sewage treatment charge device and sewage treatment system

Info

Publication number: CN217051672U
Application number: CN202220179294.9U
Authority: CN
Inventors: 戴家洋; 贺万亮; 周利军
Original assignee: Zhejiang Yuansen Ecological Environment Technology Co ltd
Current assignee: Zhejiang Yuansen Ecological Environment Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-26
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment chemical adding device and a sewage treatment system, wherein the sewage treatment chemical adding device comprises an ejector, a chemical tank and a pump body; the ejector comprises a water inlet, a dosing port and a water outlet, and the water outlet of the ejector is connected with the reaction tank; the medicament tank comprises a medicament outlet which is communicated with the medicament feeding port; the water outlet of the pump body is connected with the water inlet of the ejector. The embodiment of the utility model provides a pair of sewage treatment charge device and sewage treatment system, among the sewage treatment process, the pump body is carried the fluid and is got into the ejector, and the fluid mixes with the inspiratory medicament of dosing port in the ejector, then, and the solution after will mixing is discharged to the reaction tank by the delivery port of ejector. The sewage treatment dosing device is of a pure mechanical dosing structure and has the advantages of simple structure, low cost, low failure rate and the like.

Description

Sewage treatment charge device and sewage treatment system

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a sewage treatment charge device and sewage treatment system.

Background

In order to prevent the deterioration of the phenomenon, a plurality of water treatment devices are developed in the water treatment industry, so that the water treatment devices are applied to the treatment of the production and living sewage of people. Sewage discharged by a plurality of enterprises contains a large amount of refractory substances which cannot be effectively removed by a single water treatment device, so that a sewage treatment agent needs to be reasonably added according to the particularity of sewage quality in many times, and the treated sewage meets the national discharge standard.

For example, additional agents include flocculants, coagulant aids, or conditioners, among others. The existing dosing device generally comprises a stirring structure, a medicine barrel, a metering pump and the like, and the mixed medicine is pumped into a reaction tank. The existing dosing device is complex in structure and high in manufacturing cost, and the complex structure causes high equipment failure rate.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem more than at least that exists among the prior art, the embodiment of the utility model provides a sewage treatment charge device and sewage treatment system.

The embodiment of the utility model provides a sewage treatment dosing device on the one hand, which comprises an ejector, a medicament tank and a pump body; the ejector comprises a water inlet, a dosing port and a water outlet, and the water outlet of the ejector is connected with the reaction tank; the medicament tank comprises a medicament outlet which is communicated with the medicament feeding port; and the water outlet of the pump body is connected with the water inlet of the ejector.

In some embodiments, a plurality of said medicament canisters are included; the medicine outlet of each medicine tank is connected with a medicine outlet pipe, the medicine outlet pipes are connected with a collecting pipe, and the collecting pipe is connected with the medicine adding port of the ejector.

In some embodiments, each of the medicine outlet pipes is provided with a valve and/or a first electric control valve.

In some embodiments, the reaction tank includes a clean water zone, and the water inlet of the pump body is in communication with the clean water zone.

In some embodiments, a second electrically controlled valve is arranged between the water outlet of the pump body and the water inlet of the ejector.

In some embodiments, further comprising at least one gas canister; and the gas outlet of the gas tank is connected with a gas outlet pipe, and the gas outlet pipe is connected with a collecting pipe.

In some embodiments, a tee joint is arranged between the water outlet of the pump body and the second electric control valve; the first port of the tee joint is connected with the water outlet of the pump body, the second port of the tee joint is connected with the water inlet of the ejector, the third port of the tee joint is connected with a discharge pipe, and a third electric control valve is arranged on the discharge pipe.

In some embodiments, a sampling port is provided between the third electrically controlled valve and the tee.

In some embodiments, a controller is further included and is coupled to the first, second, and third electrically controlled valves.

The embodiment of the utility model provides an aspect provides a sewage treatment system, including above-mentioned sewage treatment charge device.

The embodiment of the utility model provides a pair of sewage treatment charge device and sewage treatment system, among the sewage treatment process, the pump body is carried the fluid and is got into the ejector, and the fluid mixes with the inspiratory medicament of dosing port in the ejector, then, and the solution after will mixing is discharged to the reaction tank by the delivery port of ejector. The sewage treatment dosing device is of a pure mechanical dosing structure and has the advantages of simple structure, low cost, low failure rate and the like.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, like or corresponding reference characters designate like or corresponding parts.

FIG. 1 is a first schematic view of a chemical adding device for sewage treatment according to an embodiment of the present invention;

FIG. 2 is a schematic view II of a sewage treatment chemical adding device according to an embodiment of the present invention;

fig. 3 is a schematic view of a sewage treatment system according to an embodiment of the present invention.

In the figure:

1: an ejector; 2: a medicament canister; 3: a pump body; 4: a reaction tank; 5: discharging the medicine tube; 6: a collecting pipe; 7: a valve; 8: a first electrically controlled valve; 9: a clear water zone; 10: a second electrically controlled valve; 11: a gas tank; 12: an air outlet pipe; 13: a tee joint; 14: a discharge pipe; 15: a third electrically controlled valve; 16: a sampling port; 17: a mud scraper; 18: a sludge tank.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the sewage treatment process, a medicament needs to be added into the sewage at regular time and quantity, and the efficiency and the quality of sewage treatment are improved by utilizing the medicament. For example, a flocculant, a coagulant aid, a conditioner or other agents are added into the reaction tank, and the agents and raw water or circulating water subjected to multiple treatments in the reaction tank undergo chemical reaction until the quality of the treated water reaches the standard.

As shown in fig. 1, the utility model provides a sewage treatment chemical adding device, which comprises an ejector 1, a chemical tank 2 and a pump body 3; the ejector 1 comprises a water inlet, a dosing port and a water outlet, and the water outlet of the ejector 1 is connected with the reaction tank 4; the medicament pot 2 comprises a medicament outlet which is communicated with the medicament feeding port; the water outlet of the pump body 3 is connected with the water inlet of the ejector 1.

In some embodiments, the ejector 1 is operated to transfer energy and mass with a fluid, and the ejector 1 itself is not provided with a driving member. The ejector 1 consists of a nozzle, a suction chamber and a diffuser pipe, wherein a water inlet is connected with the nozzle, a chemical adding port is connected with the suction chamber, and the diffuser pipe is connected with a water outlet. The working fluid with certain pressure is delivered from the water outlet of the pump body 3, the working fluid is sprayed out at high speed through the nozzle, the pressure energy is converted into speed energy, vacuum is formed in the outlet area of the nozzle, the pumped medium (namely the medicament) is sucked out, the two media (namely the medicament and the water) are mixed and subjected to energy exchange in the pressure expansion pipe, the speed energy is reduced into the pressure energy, the pressure energy is finally discharged at the pressure higher than the atmospheric pressure, and the discharged solution enters the reaction tank 4.

In some embodiments, the sewage treatment medicating device includes a plurality of medicant tanks 2; the medicine outlet of each medicine tank 2 is connected with a medicine outlet pipe 5, a plurality of medicine outlet pipes 5 are connected with a collecting pipe 6, and the collecting pipe 6 is connected with the medicine adding port of the ejector 1.

Different types of medicaments are placed in each medicament tank 2, and the medicaments are conveyed according to the set sequence and the measurement according to the sewage treatment requirement. For example, each drug outlet pipe 5 is provided with a valve 7 and/or a first electric control valve 8. For example, the valve 7 is normally closed when the medicament container 2 is not in use and normally open when in use, and the first electrically controlled valve 8 is normally closed, so that when the corresponding medicament is required to be delivered, the opening or closing of the first electrically controlled valve 8 and the opening/closing duration are electrically controlled.

For example, the medicine adding device comprises a first medicine tank, a second medicine tank and a third medicine tank, the first medicine tank is opened, the second medicine tank and the third medicine tank are closed at the first set time, the second medicine tank is opened after the set time, the first medicine tank and the third medicine tank are closed, and the third medicine tank is opened and the second medicine tank and the third medicine tank are closed after the set time. Alternatively, two of the medicament canisters may be opened simultaneously, or three medicament canisters may be opened simultaneously.

In some embodiments, the reaction tank 4 includes a clean water zone 9, and the water inlet of the pump body 3 is in communication with the clean water zone 9. The water in the clean water area 9 is the water after sewage treatment, in the sewage treatment process, the water in the clean water area 9 needs to be circularly treated for multiple times, and the circular operation of the water in the clean water area 9 is completed through the pump body 3. The water inlet of the pump body 3 is communicated with the clear water area 9, so that the water in the clear water area 9 can be circularly treated, and the water in the clear water area 9 can be used as a power source of the ejector 1. For example, the clean water zone 9 is further externally connected with a pipeline, tap water can be conveyed into the clean water zone 9 through the externally connected pipeline, in the earlier stage of sewage treatment, the clean water zone 9 of the reaction tank 4 is not filled with treated water, the tap water can be added in advance to convey fluid to the ejector 1, and when the water in the clean water zone 9 meets the water quantity requirement, the tap water can not be added.

In some embodiments, a second electrically controlled valve 10 is provided between the water outlet of the pump body 3 and the water inlet of the ejector 1. In the sewage treatment process, the working state of the chemical feeding tank can be switched by regulating the first electric control valve 8, and the working state of the jet device 1 can be switched by regulating the second electric control valve 10.

For example, the second electric control valve 10 is opened to perform a circulating water operation or a chemical feeding operation, and the second electric control valve 10 is closed to stop the circulating water, so that a water treatment reaction can be performed in the reaction tank, or a treated water discharging operation can be performed. For example, a tee joint 13 is arranged between the water outlet of the pump body 3 and the second electric control valve 10; the first port of the tee joint 13 is connected with the water outlet of the pump body 3, the second port is connected with the water inlet of the ejector 1, the third port is connected with the discharge pipe 14, and the discharge pipe 14 is provided with a third electric control valve 15. Under the condition that the second electric control valve 10 is closed, the third electric control valve 15 is opened, and the pump body 3 can output the treated water reaching the standard.

For example, a sampling port 16 is provided between the third electrically controlled valve 15 and the tee 13. The treated water may be sampled in advance through the sampling port 16 before the third electronic control valve 15 is opened while the second electronic control valve 10 is closed, and the third electronic control valve 15 may be opened if the sampled water meets the discharge standard.

As shown in fig. 2, in some embodiments, the sewage treatment dosing device further comprises at least one gas tank 11; the air outlet of the gas tank 11 is connected with an air outlet pipe 12, and the air outlet pipe 12 is connected with the collecting pipe 6. The embodiment of the utility model provides a sewage treatment charge device is adding medicine when operation, still can utilize ejector 1 to add gas in to reaction tank 4. The gas that lets in the reaction tank 4 rises, and gaseous drive suspended impurities rises, sets up mud scraper 17 on the surface of reaction tank 4, scrapes mud into sludge impoundment 18 through mud scraper 17, carries out further processing to mud. For example, ozone is introduced into the reaction tank 4, and not only can be used as gas to drive suspended impurities to float, but also has the advantages of strong oxidizing ability, high reaction speed and the like.

In some embodiments, the chemical adding device for sewage treatment further comprises a controller, and the controller is connected with the first electric control valve 8, the second electric control valve 10 and the third electric control valve 15. For example, a detection sensor is provided in the reaction cell 4, the water quality in the cell is detected in real time by the detection sensor, and then the type of the chemical to be added and/or the time for adding the chemical can be selected according to the water quality. Namely, the controller is used for carrying out automatic dosing control on the dosing device.

The embodiment of the utility model provides a sewage treatment system, including above-mentioned sewage treatment charge device. As shown in fig. 3, in the sewage treatment system, a plurality of chemical tanks 2 are included, for example, four chemical tanks 2 are included, a first electronic control valve 8 is arranged on each chemical tank 2, and the chemical adding sequence, that is, the chemical adding amount, is controlled by controlling the on-off of the first electronic control valve 8 and the on-off duration through a controller.

The dosing device in the sewage treatment system uses the ejector 1, so that the dosing device is of a pure mechanical dosing structure, is different from a pump body 3 structure, and has the advantages of simple structure, low cost, low failure rate and the like.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A sewage treatment dosing device is characterized by comprising an ejector (1), a medicament tank (2) and a pump body (3);

the ejector (1) comprises a water inlet, a chemical feeding port and a water outlet, and the water outlet of the ejector (1) is connected with the reaction tank (4);

the medicament tank (2) comprises a medicament outlet which is communicated with the medicament feeding port;

and a water outlet of the pump body (3) is connected with a water inlet of the ejector (1).

2. The sewage treatment dosing device according to claim 1, comprising a plurality of said agent tanks (2);

every medicine outlet of medicament jar (2) is connected out pencil (5), many it connects header (6) to go out pencil (5), header (6) with the medicine adding mouth of ejector (1) is connected.

3. The sewage treatment dosing device according to claim 2, wherein each of the dosing pipes (5) is provided with a valve (7) and/or a first electrically controlled valve (8).

4. The sewage treatment dosing device according to claim 3, wherein the reaction tank (4) comprises a clean water zone (9), and the water inlet of the pump body (3) is communicated with the clean water zone (9).

5. The sewage treatment dosing device according to claim 4, wherein a second electrically controlled valve (10) is arranged between the water outlet of the pump body (3) and the water inlet of the ejector (1).

6. The sewage treatment dosing device according to claim 2, further comprising at least one gas tank (11);

and the air outlet of the gas tank (11) is connected with an air outlet pipe (12), and the air outlet pipe (12) is connected with a collecting pipe (6).

7. The sewage treatment dosing device according to claim 5, wherein a tee joint (13) is arranged between the water outlet of the pump body (3) and the second electric control valve (10);

the first port of tee bend (13) with the delivery port of the pump body (3) is connected, the second port with the water inlet of ejector (1) is connected, and the discharge pipe (14) is connected to the third port, be equipped with third automatically controlled valve (15) on discharge pipe (14).

8. The sewage treatment dosing device according to claim 7, wherein a sampling port (16) is arranged between the third electrically controlled valve (15) and the tee joint (13).

9. The sewage treatment dosing device according to claim 7, further comprising a controller connected with the first electrically controlled valve (8), the second electrically controlled valve (10) and the third electrically controlled valve (15).

10. A sewage treatment system comprising a sewage treatment agent adding device according to any one of claims 1 to 9.