CN222935196U - Sewage treatment multiple spot charge device - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a multi-point dosing device for sewage treatment, which comprises a dosing barrel and dosing pipelines, wherein a metering pump and a plurality of automatic valves are arranged on the dosing pipelines, the front ends of the dosing pipelines are connected with the dosing barrel, a plurality of dosing pipe branches are arranged at the tail ends of the dosing pipelines, and an automatic flowmeter is arranged on each dosing pipe branch and used for controlling the dosing amount of the dosing pipe branches. The multi-point dosing device can dose a plurality of dosing points simultaneously by only being provided with one metering pump, can independently control the dosing amount of each dosing point, has fewer metering pumps, ensures that the structure of the multi-point dosing device is more optimized, is simple to assemble and has lower energy consumption, and solves the problems of high energy consumption, high construction cost and high operation and maintenance cost in the middle and later stages of a traditional dosing system in the prior art.

Description

Sewage treatment multiple spot charge device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment multi-point dosing device.

Background

The development of industry drives the high-speed development of related industry, and becomes one of important support posts of national economy, but the country with rapid development of industry is clear that the development of industry also means the destruction of natural environment, especially the serious pollution to water source caused by direct discharge of a large amount of industrial sewage generated by industrial production into rivers and lakes without reliable sewage treatment, so the protection of water source, the purification of water source and the treatment of sewage are very important. Along with the scarcity of water resources, the reuse of sewage after treatment has become a necessary means at the present stage.

At present, the sewage treatment generally removes substances such as nitrogen, phosphorus and the like in the sewage by chemical and biological means. However, the biological method is only relied on at the present stage, so that the requirement of stable and standard yielding water cannot be ensured, and measures such as an auxiliary chemical method are needed, and therefore, the dosing system is one of the necessary systems of a sewage treatment plant. In addition, the stability of water quality is an important means for guaranteeing the quality of reclaimed water recycled after sewage treatment, has extremely important significance for the subsequent use of reclaimed water and the normal production of users, and in the water quality stabilizing work, the medicament is a core and how to be added is a means, so that a set of reasonable and reliable medicament adding system is also needed. The chemical adding device is complete equipment with functions of chemical adding, stirring, liquid conveying, automatic control and integration, and is widely applied to raw water of a power plant, boiler water supply, a ground surface collection and transmission dehydration treatment system of an oil field, various chemical adding systems of petrochemical industry and a sewage treatment system.

However, the sewage quality is complex, the sewage treatment system needs to be provided with a plurality of treatment lines for classification treatment, a plurality of different medicaments are required to be added in the treatment process, and each medicament needs to be added by a plurality of dosing lines, so that the complexity of the dosing system is caused. In the traditional dosing system, each medicament of each sewage line is correspondingly provided with an independent metering pump, one treatment line is generally provided with 6-10 metering pumps, and the more complicated the sewage treatment line is, the more the metering pumps are provided, so that the dosing system in the traditional mode has huge energy consumption, and the construction cost in the early stage of the sewage treatment line and the operation and maintenance cost in the middle and later stages are increased.

The utility model provides a sewage treatment multi-point dosing device, which aims to solve the problems of more metering pumps, high energy consumption, high construction cost and high operation and maintenance cost in the middle and later stages of a traditional dosing system in the prior art.

Disclosure of utility model

The utility model aims to provide a sewage treatment multi-point dosing device, which aims to solve the problems of more metering pumps, high energy consumption, high construction cost and high operation and maintenance cost in the middle and later stages of a traditional dosing system in the prior art.

The technical scheme is that the sewage treatment multi-point dosing device comprises a dosing barrel and dosing pipelines, wherein a metering pump and a plurality of automatic valves are arranged on the dosing pipelines, the front ends of the dosing pipelines are connected with the dosing barrel, a plurality of dosing pipe branches are arranged at the tail ends of the dosing pipelines, and an automatic flowmeter is arranged on each dosing pipe branch and used for controlling dosing quantity of the dosing pipe branches.

Preferably, each of the dosing pipe branches is provided with an automatic valve, and the automatic valve is arranged at the front end of the automatic flowmeter and used for controlling the start and stop of the dosing pipe branch.

Preferably, the automatic flowmeter is any one of an ultrasonic flowmeter, an electromagnetic flowmeter, a turbine flowmeter and a vortex shedding flowmeter.

Preferably, the dosing pipeline is provided with a Y-shaped filter, and the Y-shaped filter is arranged at the front end of the metering pump.

Preferably, the dosing barrel is provided with a liquid level meter and a stirrer.

Preferably, the liquid level gauge is a magnetic flap liquid level gauge or a static pressure liquid level gauge.

Preferably, a standby dosing pipeline is arranged on the dosing pipeline, one end of the standby dosing pipeline is connected with the dosing pipeline at the rear end of the Y-shaped filter, and the other end of the standby dosing pipeline is connected with the tail end of the dosing pipeline;

The standby dosing pipeline is provided with a standby metering pump, and the front end and the rear end of the standby metering pump are respectively provided with an automatic valve.

Preferably, the dosing pipeline is provided with three automatic valves, and the three automatic valves are respectively arranged at the front end of the Y-shaped filter and the front end and the rear end of the metering pump.

Preferably, two automatic valves are arranged on the dosing pipeline, and the two automatic valves are respectively arranged at the front end of the Y-shaped filter and the rear end of the metering pump.

Compared with the prior art, the utility model has the advantages that:

(1) The utility model provides a multi-point dosing device for sewage treatment, which can simultaneously dose medicines to a plurality of dosing points by only being provided with one metering pump and/or one standby metering pump, can independently control the dosing amount of each dosing point, has fewer metering pumps, ensures that the multi-point dosing device has more optimized structure, is simple to assemble and has smaller energy consumption, and solves the problems of more metering pumps, larger energy consumption, high construction cost and high operation and maintenance cost in the middle and later stages of the traditional dosing system in the prior art.

(2) The utility model provides a sewage treatment multi-point dosing device, wherein a plurality of dosing pipe branches are arranged at the tail end of a dosing pipeline of the multi-point dosing device, and each dosing pipe branch is provided with an automatic flowmeter, so that the number of the dosing pipe branches can be determined according to the complexity of sewage quality and the requirement of a sewage treatment system, the dosing amount of dosing points corresponding to each dosing pipe branch can be independently controlled through the automatic flowmeter, the dosing of a plurality of dosing points can be simultaneously carried out through one metering pump, the dosing amount of each dosing point can be accurately controlled, the number of metering pumps needed to be equipped in a dosing system is reduced, the energy consumption is reduced, and the construction cost of the dosing system is effectively reduced.

(3) The utility model provides a sewage treatment multi-point dosing device, which is characterized in that a dosing pipeline of the multi-point dosing device is also provided with a Y-shaped filter which is arranged at the front end of a metering pump, and the Y-shaped filter can filter suspended particles in liquid medicine so as to prevent the suspended particles in the liquid medicine from entering the rear ends of the metering pump and the dosing pipeline, avoid the phenomenon of blockage of the metering pump and the dosing pipeline, and further reduce the middle and later period operation and maintenance costs of the multi-point dosing device.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples:

FIG. 1 is a schematic view of a multi-point drug delivery device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a multi-point drug delivery device according to a second embodiment of the present utility model;

Wherein, 1, a dosing barrel, 2, a liquid level meter, 3, a stirrer, 4, a Y-shaped filter, 5, a metering pump, 51, a standby metering pump, 6, an automatic valve, 7, a dosing pipeline, 71, a standby dosing pipeline, 8, an automatic flowmeter, and 9, a dosing pipe branch.

Detailed Description

The following describes the present utility model in further detail with reference to specific examples:

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "front end", "rear end", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the components referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Embodiment one

A multi-point dosing device for sewage treatment comprises a dosing barrel 1 and a dosing pipeline 7, wherein the dosing barrel 1 is provided with a liquid level meter 2 and a stirrer 3, and the dosing pipeline 7 is provided with a metering pump 5 and a plurality of automatic valves 6. As shown in figure 1, the dosing pipeline 7 is also provided with a Y-shaped filter 4, the Y-shaped filter is arranged at the front end of the metering pump 5, the dosing pipeline 7 is provided with two automatic valves 6, one automatic valve 6 is arranged at the front end of the Y-shaped filter 4, and the other automatic valve 6 is arranged at the rear end of the metering pump 5. The front end of the dosing pipeline 7 is connected with the dosing barrel 1, four dosing pipe branches 9 are arranged at the tail end of the dosing pipeline 7, an automatic flowmeter 8 is arranged on each dosing pipe branch 9 and used for controlling dosing of each dosing pipe branch 9, in addition, an automatic valve 6 is arranged on each dosing pipe branch 9, and the automatic valve 6 is arranged at the front end of the automatic flowmeter 8 and used for controlling starting and stopping of each dosing pipe branch 9.

Firstly, treating sewage of each sewage treatment line to make small tests so as to determine the dosing amount of each dosing pipe branch 9, secondly, inputting the dosing amount into an electric control system, enabling the dosing amount to be linked with an automatic valve 6, secondly, adding medicines and diluents into a dosing barrel 1 according to a certain proportion, starting a stirrer 3 through an electric control system to stir the medicines and diluents in the dosing barrel 1 uniformly, then simultaneously starting the automatic valve 6 and a metering pump 5 on a dosing pipeline 7 through the electric control system, and finally, starting the automatic valve 6 and an automatic flowmeter 8 on the dosing pipe branch 9 through the electric control system to dose medicine to dosing points. When the liquid level meter 2 detects that the liquid level in the dosing barrel 1 is too low, the metering pump 5 stops working, and the dosing is needed to be carried out again at the moment, and then the dosing is carried out.

In the embodiment, the liquid level meter 2 is a magnetic flap liquid level meter, and in other embodiments, the liquid level meter 2 can be a static pressure liquid level meter or other types of liquid level meters 2 which can meet the requirements of the multi-point medicine adding device.

In this embodiment, the automatic flow meter 8 is an ultrasonic flow meter for precisely controlling the dosage of each of the feeder lines 9. In other embodiments, the automatic flow meter 8 is one of an electromagnetic flow meter, a turbine flow meter, a vortex shedding flow meter, and the like.

In the embodiment, four dosing pipe branches 9 are arranged at the tail end of the dosing pipeline 7, so that the multi-point dosing device can simultaneously dose four dosing points through one dosing pump, and the dosing quantity of the dosing point corresponding to each dosing pipe branch 9 is independently controlled through an automatic flowmeter 8. In other embodiments, a plurality of dosing pipe branches 9 can be arranged according to the complexity of the sewage quality and the requirements of a sewage treatment system so as to meet the requirements of multi-point dosing and classification treatment.

Second embodiment

In the present embodiment, the chemical adding pipeline 7 is further provided with a standby chemical adding pipeline 71, as shown in fig. 2, and one end of the standby chemical adding pipeline 71 is connected to the rear end of the Y-filter 4 on the chemical adding pipeline, and the other end of the standby chemical adding pipeline 71 is connected to the end of the chemical adding pipeline 7. In addition, a standby metering pump 51 is provided on the standby dosing line 71, and an automatic valve 6 is provided at the front and rear ends of the standby metering pump 51, respectively. The present embodiment is also different from the first embodiment in that three automatic valves 6 are provided on the dosing line 7, and the three automatic valves 6 are provided at the front end of the Y-filter 4 and the front and rear ends of the metering pump 5, respectively. In this embodiment, the end of the dosing pipeline 7 is provided with five dosing pipe branches 9, so that dosing can be performed on five dosing points simultaneously.

In the present embodiment, the backup dosing line 71 and the backup metering pump 51 are provided, and when the metering pump 5 fails and cannot be operated, the backup metering pump 51 may be started to operate in place of the metering pump 5.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same according to the content of the present utility model, and are not intended to limit the scope of the present utility model. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments and that the present utility model may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present utility model be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. A multi-point dosing device for sewage treatment comprises a dosing barrel (1) and dosing pipelines (7), and is characterized in that a metering pump (5) and a plurality of automatic valves (6) are installed on the dosing pipelines (7), the front end of each dosing pipeline (7) is connected with the dosing barrel (1), a plurality of dosing pipe branches (9) are arranged at the tail end of each dosing pipeline (7), and an automatic flowmeter (8) is arranged on each dosing pipe branch (9) and used for controlling dosing quantity of each dosing pipe branch (9).

2. The multi-point dosing device for sewage treatment according to claim 1, wherein each dosing pipe branch (9) is provided with an automatic valve (6), and the automatic valve (6) is arranged at the front end of the automatic flowmeter (8) and used for controlling the start and stop of the dosing pipe branch (9).

3. The multi-point dosing device for sewage treatment according to claim 2, wherein the automatic flowmeter (8) is any one of an ultrasonic flowmeter, an electromagnetic flowmeter, a turbine flowmeter and a vortex shedding flowmeter.

4. A multi-point dosing device for sewage treatment according to claim 3, wherein the dosing pipeline (7) is provided with a Y-shaped filter (4), and the Y-shaped filter (4) is arranged at the front end of the metering pump (5).

5. The multi-point dosing device for sewage treatment according to claim 4, wherein the dosing barrel (1) is provided with a liquid level meter (2) and a stirrer (3).

6. The multi-point dosing device for sewage treatment according to claim 5, wherein the liquid level meter (2) is a magnetic flap liquid level meter or a static pressure liquid level meter.

7. The multi-point dosing device for sewage treatment according to claim 6, wherein a standby dosing pipeline (71) is arranged on the dosing pipeline (7), one end of the standby dosing pipeline (71) is connected to the dosing pipeline (7) at the rear end of the Y-shaped filter (4), and the other end of the standby dosing pipeline (71) is connected with the tail end of the dosing pipeline (7);

The standby dosing pipeline (71) is provided with a standby metering pump (51), and the front end and the rear end of the standby metering pump (51) are respectively provided with an automatic valve (6).

8. The multi-point dosing device for sewage treatment according to claim 7, wherein three automatic valves (6) are arranged on the dosing pipeline (7), and the three automatic valves (6) are respectively arranged at the front end of the Y-shaped filter (4) and the front end and the rear end of the metering pump (5).

9. The multi-point dosing device for sewage treatment according to claim 6, wherein two automatic valves (6) are arranged on the dosing pipeline (7), and the two automatic valves (6) are respectively arranged at the front end of the Y-shaped filter (4) and the rear end of the metering pump (5).