Full-automatic biochemical dosing device

Abstract

The utility model discloses a full-automatic biochemical dosing device, and belongs to the technical field of chemical dosing of sewage treatment plants. The chemical dosing device comprises a chemical dosing tank, a chemical inlet is formed in the top of the chemical dosing tank and communicated with a chemical inlet pipe, a chemical outlet pipe is arranged at the bottom of the side wall of the chemical dosing tank, a water outlet of the chemical outlet pipe is communicated with a biochemical pool of a sewage treatment plant, a dilution pipe is arranged in the chemical dosing tank, and one end of the dilution pipe is communicated with a water outlet system of a water plant. The other end extends to the bottom of the dosing tank and is communicated with a water distribution pipe which is horizontally arranged; and a plurality of drainage holes are uniformly formed in the water distribution pipe at intervals. According to the utility model, the automatic, intelligent and efficient operation of the chemical adding device at the water outlet end of the biochemical system is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of medicament dosing in sewage treatment plants, in particular to a full-automatic biochemical dosing device. Background Art

[0002] Urban sewage treatment plants are mainly used to treat urban sewage and a small part of industrial wastewater that meets the pollution standards of the pipeline network. The process flow of the water plant is relatively simple, and there is no emergency buffer treatment facility. Due to the full-load production of industrial enterprises and the incomplete construction of sewage treatment facilities within the enterprises, industrial wastewater occasionally enters the urban sewage pipeline network without treatment, and then enters the sewage treatment plant, which has a great impact on the water quality of the sewage treatment plant, causing certain troubles to the operation, affecting the normal and stable operation of the urban sewage treatment plant, especially the high-concentration wastewater causes aging, disintegration, and death of the activated sludge in the biochemical system, which has an irreversible impact on the bacteria, causing unstable operation of the biochemical system and it is difficult to ensure that the effluent meets the standards.

[0003] Most of the sewage treatment plant dosing equipment in the prior art has one or more of the following problems:

[0004] 1. In traditional dosing devices, dosing, dispensing and dissolving are all done manually, which has high labor intensity and the dosing device cannot achieve fully automatic control.

[0005] 2. There is no emergency dosing device for chemicals at the outlet of the biochemical system. When impacted by industrial wastewater, the impact resistance of the biochemical system cannot be guaranteed.

[0006] 3. Traditional dosing devices and dissolving mixers consume a lot of energy, the equipment and facilities have a long service life, the equipment is aging, and the maintenance cost is high.

[0007] 4. Some dosing devices use tap water for water distribution, which increases the cost and causes waste of resources. Summary of the invention

[0008] The utility model provides a fully automatic biochemical dosing device to overcome the above disadvantages and realize the automated, intelligent and efficient operation of the dosing device at the water outlet of the biochemical system.

[0009] To achieve the above-mentioned purpose, the utility model designs a fully automatic biochemical dosing device, including a dosing tank, a drug inlet is provided on the top of the dosing tank, the drug inlet is connected to a drug inlet pipe, a drug outlet pipe is provided at the bottom of the side wall of the dosing tank, the water outlet of the drug outlet pipe is connected to the biochemical pool of the sewage treatment plant, a dilution pipe is provided in the dosing tank, one end of the dilution pipe is connected to the water outlet system of the water plant, and the other end extends to the bottom of the dosing tank and is connected to a horizontally arranged water distribution pipe, and a plurality of drainage holes are evenly spaced on the water distribution pipe.

[0010] Preferably, a first liquid level gauge and a second liquid level gauge are provided in the dosing tank.

[0011] Preferably, a drug inlet electric valve and a drug inlet flow meter are sequentially provided on the drug inlet pipe along the water flow direction.

[0012] Preferably, a medicine discharging electric valve and a medicine discharging flow meter are sequentially provided on the medicine discharging pipe along the water flow direction.

[0013] Preferably, a dilution electric valve and a dilution water flow meter are sequentially provided on the dilution pipe along the water flow direction.

[0014] Preferably, a vent pipe is provided at the bottom of the dosing tank, and a water outlet of the vent pipe is connected to the biochemical pool.

[0015] Preferably, a vent pipe electric valve is provided on the vent pipe.

[0016] Preferably, the drug inlet pipe extends into the drug adding tank through the drug inlet port.

[0017] Preferably, a plug is provided at one end of the water distribution pipe away from the dilution pipe.

[0018] Preferably, the fully automatic biochemical dosing device also includes a central control system, and the signal output end of the central control system is connected to the signal receiving end of the drug inlet electric valve, the drug outlet electric valve, the dilution electric valve and the vent pipe electric valve; the signal receiving end of the central control system is connected to the signal output end of the first liquid level meter, the second liquid level meter, the drug inlet flow meter, the drug outlet flow meter and the dilution water flow meter.

[0019] Beneficial effects of the utility model:

[0020] 1. Compared with the traditional dosing device, the utility model reduces the operation intensity of manual dosing and dosing, and realizes full automatic control of drug dosing.

[0021] 2. Compared with the traditional biochemical process, the utility model increases the addition of medicaments in the biochemical end water, thereby improving the impact resistance of the biochemical system.

[0022] 3. Compared with the traditional dosing device, the utility model saves the energy consumption of stirring the dosing tank by a stirrer through the water distribution pipe, adopts unpowered stirring to dissolve the medicine, and uses the water flow speed to accelerate the dissolution of the medicine and the dilution water, so as to achieve the effect of diluting the medicine.

[0023] 4. The utility model connects the water inlet of the dilution pipe with the water outlet system of the water plant, and the dilution water uses the effluent of the sewage treatment plant to dilute the agent, thereby realizing resource utilization, saving the cost of adding tap water, and achieving low-carbon green operation.

[0024] 5. The utility model realizes the intelligent operation of the entire device through the central control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a process flow chart of the utility model;

[0026] Reference numerals:

[0027] 1 dosing tank, 11 drug inlet, 12 first liquid level gauge, 13 second liquid level gauge,

[0028] 2 medicine inlet pipe, 21 medicine inlet electric valve, 22 medicine inlet flow meter,

[0029] 3 medicine outlet pipe, 31 medicine outlet electric valve, 32 medicine outlet flow meter,

[0030] 4 Biochemical pool,

[0031] 5 dilution tube, 51 dilution electric valve, 52 dilution water flow meter,

[0032] 6 water distribution pipe, 61 plug,

[0033] 7 vent pipe, 71 vent pipe electric valve,

[0034] 8Central control system. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0036] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0037] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] References to "one embodiment" or "some embodiments" etc. described in the specification of this application mean that one or more embodiments of the present application include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0040] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0041] Example 1

[0042] like Figure 1 The fully automatic biochemical dosing device shown comprises a dosing tank 1, in which a first liquid level gauge 12 and a second liquid level gauge 13 are arranged. A drug inlet 11 is arranged at the top of the dosing tank 1, and the drug inlet 11 is connected to a drug inlet pipe 2, and the drug inlet pipe 2 extends into the dosing tank 1 through the drug inlet 11. A drug inlet electric valve 21 and a drug inlet flowmeter 22 are arranged in sequence on the drug inlet pipe 2 along the water flow direction. A drug outlet pipe 3 is arranged at the bottom of the side wall of the dosing tank 1, and a drug outlet electric valve 31 and a drug outlet flowmeter 32 are arranged in sequence on the drug outlet pipe 3 along the water flow direction. The water outlet of the drug outlet pipe 3 is connected to the biochemical pool 4 of the sewage treatment plant, and a dilution pipe 5 is arranged in the dosing tank 1, and a dilution electric valve 51 and a dilution water flowmeter 52 are arranged in sequence on the dilution pipe 5 along the water flow direction. One end of the dilution pipe 5 is connected to the water outlet system of the water plant, and the other end extends to the bottom of the dosing tank 1 and is connected to a horizontally arranged water distribution pipe 6, on which a number of drainage holes are evenly spaced. A plug 61 is provided at one end of the water distribution pipe 6 away from the dilution pipe 5.

[0043] A vent pipe 7 is provided at the bottom of the dosing tank, a water outlet of the vent pipe 7 is connected to the biochemical pool 4 , and a vent pipe electric valve 71 is provided on the vent pipe 7 .

[0044] The fully automatic biochemical dosing device also includes a central control system 8, the signal output end of the central control system 8 is connected to the signal receiving end of the drug inlet electric valve 21, the drug outlet electric valve 31, the dilution electric valve 51 and the vent pipe electric valve 71; the signal receiving end of the central control system 8 is connected to the signal output end of the first liquid level meter 12, the second liquid level meter 13, the drug inlet flow meter 22, the drug outlet flow meter 32 and the dilution water flow meter 52.

[0045] The following describes the process flow of the utility model when it works:

[0046] The liquid medicine enters the medicine adding tank 1 through the medicine inlet pipe 2 . The medicine inlet flow meter 22 on the medicine inlet pipe 2 is used to monitor the flow of the medicine entering the medicine adding tank 1 . The medicine inlet amount is controlled by the medicine inlet electric valve 21 .

[0047] A first liquid level gauge 12 and a second liquid level gauge 13 are provided in the dosing tank 1. The first liquid level gauge 12 and the drug inlet electric valve 21 are controlled in linkage with each other through the central control system 8. When the liquid level in the dosing tank 1 is detected to be lower than 0.2m, the drug inlet electric valve 21 is opened; when the liquid level in the dosing tank 1 is detected to be higher than 1.4m, the drug inlet electric valve 21 is closed; the second liquid level gauge 13 and the dilution electric valve 51 are controlled in linkage with each other through the central control system 8. When the liquid level in the dosing tank 1 is detected to be higher than 0.1m, the dilution electric valve 51 is opened; when the liquid level in the dosing tank 1 is detected to be lower than 1.0m, the dilution electric valve 51 is closed.

[0048] A dilution pipe 5 is arranged in the dosing tank 1, and its function is to utilize the effluent from the sewage treatment plant to efficiently dissolve the agent in the dosing tank 1 and dilute the agent in the dosing tank 1. The dilution pipe 5 is connected to the water distribution pipe 6. The water distribution pipe 6 is provided with a plurality of drainage holes, and the interval between the holes is 10 cm to ensure the uniformity of the water outlet. The opening diameter is φ5mm, and the drainage holes are arranged in a staggered plum blossom form. The impact of the water flow through the drainage holes makes the water distribution pipe 6 have a swirl stirring function, which saves the energy consumption of the dosing tank 1 by the mixer, and achieves the low-carbon green operation of the dosing tank 1; a dilution water flow meter 52 is arranged on the dilution pipe 5 to transmit the amount of dilution water to the central control system 8.

[0049] A drug outlet pipe 3 is provided on the dosing tank 1 for adding medicine. A drug outlet flow meter 32 is provided on the drug outlet pipe 3 for transmitting the drug outlet amount to the central control system 8. The central control system 8 can obtain the amount of added medicine in real time. The central control system 8 controls the switch of the drug outlet electric valve 41. When the drug inlet electric valve 21 is opened, the central control system 8 controls the drug outlet electric valve 31 to be closed; when the dilution electric valve 51 is closed, the central control system 8 controls the drug outlet electric valve 31 to be opened.

[0050] A vent pipe 7 is provided on the dosing tank 1 for draining the liquid in the dosing tank 1 , and a vent pipe electric valve 71 is provided on the pipeline. When the dosing tank 1 is cleaned, the central control system 8 opens the vent pipe electric valve 71 , and when the medicine outlet electric valve 31 is opened, the central control system 8 controls the vent electric valve 51 to be in a closed state.

[0051] Example 2

[0052] Compared with Example 1, other structures of Example 2 are substantially the same, except that the central control system 8 is reduced and manual control is adopted, thereby further reducing the manufacturing cost.

[0053] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A fully automatic biochemical dosing device, comprising a dosing tank (1), characterized in that: The top of the dosing tank (1) is provided with a drug inlet (11), the drug inlet (11) is connected to a drug inlet pipe (2), the bottom of the side wall of the dosing tank (1) is provided with a drug outlet pipe (3), the water outlet of the drug outlet pipe (3) is connected to a biochemical pool (4) of a sewage treatment plant, a dilution pipe (5) is provided in the dosing tank (1), one end of the dilution pipe (5) is connected to a water outlet system of the water plant, and the other end extends to the bottom of the dosing tank (1) and is connected to a horizontally arranged water distribution pipe (6), and a plurality of drainage holes are evenly spaced on the water distribution pipe (6).

2. The fully automatic biochemical dosing device according to claim 1 is characterized in that: A first liquid level gauge (12) and a second liquid level gauge (13) are arranged in the drug adding tank (1).

3. The fully automatic biochemical dosing device according to claim 1 is characterized in that: The medicine inlet pipe (2) is provided with a medicine inlet electric valve (21) and a medicine inlet flow meter (22) in sequence along the water flow direction.

4. The fully automatic biochemical dosing device according to claim 1 is characterized in that: The medicine discharging pipe (3) is provided with a medicine discharging electric valve (31) and a medicine discharging flow meter (32) in sequence along the water flow direction.

5. The fully automatic biochemical dosing device according to claim 1 is characterized in that: The dilution pipe (5) is provided with a dilution electric valve (51) and a dilution water flow meter (52) in sequence along the water flow direction.

6. The fully automatic biochemical dosing device according to claim 1 is characterized in that: A vent pipe (7) is provided at the bottom of the dosing tank, and a water outlet of the vent pipe (7) is connected to the biochemical pool (4).

7. The fully automatic biochemical dosing device according to claim 6 is characterized in that: The vent pipe (7) is provided with a vent pipe electric valve (71).

8. The fully automatic biochemical dosing device according to claim 1 is characterized in that: The drug inlet pipe (2) extends into the drug adding tank (1) through the drug inlet port (11).

9. The fully automatic biochemical dosing device according to claim 1 is characterized in that: A plug (61) is provided at one end of the water distribution pipe (6) away from the dilution pipe (5).

10. The fully automatic biochemical dosing device according to any one of claims 2 to 7, characterized in that: The fully automatic biochemical dosing device further comprises a central control system (8), wherein a signal output end of the central control system (8) is connected to a signal receiving end of a drug inlet electric valve (21), a drug outlet electric valve (31), a dilution electric valve (51) and a vent pipe electric valve (71); and a signal receiving end of the central control system (8) is connected to a signal output end of a first liquid level meter (12), a second liquid level meter (13), a drug inlet flow meter (22), a drug outlet flow meter (32) and a dilution water flow meter (52).

Images