CN222809311U - An integrated dosing and conveying device for polymerized sewage pre-acidification tank - Google Patents

Abstract

The utility model discloses an integrated dosing and conveying device for a polymerized sewage pre-acidification tank, relates to the technical field of sewage pretreatment, comprises a nutrient salt dosing barrel, a NaOH dosing barrel and a sewage pre-acidification treatment tank, the integrated dosing and conveying device for a polymerized sewage pre-acidification treatment tank can save the floor space occupied by dosing equipment, and reduces the existing four pump foundations to one pump foundation, the pipeline is connected with the first drug inlet or the second drug inlet and the sewage pre-acidification treatment tank through flanges and bolts, and installation and maintenance are convenient, and the equipment can be replaced by replacing the spare equipment by only removing the bolts of the nutrient salt dosing barrel, the NaOH dosing barrel and the sewage pre-acidification treatment tank inlet and outlet, and production is not delayed, the traditional technology needs to run two water pumps at the same time, and the device combines two low-flow reagents into one water pump, reducing the operating cost of electricity.

Description

Integrated dosing and conveying device for polymeric sewage pre-acidification tank

Technical Field

The utility model relates to the technical field of sewage pretreatment, in particular to an integrated dosing and conveying device for a polymeric sewage pre-acidification tank.

Background

The hydrolytic acidification technology is widely adopted in pretreatment of industrial wastewater, and can improve the biodegradability of the degradation-resistant wastewater through hydrolytic acidification. The hydrolytic acidification tank needs to be added with two different medicaments, namely NaOH and nutrient salts. The traditional conveying process generally needs four pumps, one medicament is provided with two corrosion-resistant centrifugal pumps on site, one medicament is provided with a valve and an instrument respectively, the traditional mode of conveying the medicament by the pump and the valve instrument is adopted, the occupied area of equipment is large, the required valve and the required instrument are more, the two pumps are required to be continuously operated, and the medicament is continuously operated and the flow is smaller, so that energy is not wasted in a high-efficiency operation interval of the pump, and therefore, the integrated medicament feeding and conveying device for the polymeric sewage pre-acidification tank is provided.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides an integrated dosing and conveying device for a polymeric sewage pre-acidification tank, which solves the problems in the prior art.

The integrated dosing and conveying device for the polymerized sewage pre-acidification tank comprises a nutrient salt dosing barrel, a NaOH dosing barrel and a sewage pre-acidification tank, wherein a channel steel frame is arranged between the nutrient salt dosing barrel and the NaOH dosing barrel as well as between the nutrient salt dosing barrel and the sewage pre-acidification tank, the top of the channel steel frame is fixedly connected with a first dosing mechanism, the top of the channel steel frame is fixedly connected with a second dosing mechanism which is positioned at one side of the first dosing mechanism, the first dosing mechanism comprises a first drug inlet, a first pressure regulating valve, a first pressure gauge, a first flow regulating valve, a first ball valve and a first rotor flowmeter, the first drug inlet is connected with the first pressure regulating valve through a pipeline, the first pressure regulating valve is connected with the first pressure gauge through the pipeline, the other end of the second flow regulating valve is connected with the first ball valve through a pipeline, the second end of the second flow regulating valve is connected with the second flow meter through the second pressure regulating valve through the pipeline, the other end of the second flow regulating valve is connected with the second flow meter through the second flow regulating valve through the pipeline, the second flow meter is connected with the second flow meter through the second flow regulating valve through the second flow meter through the pipeline, a tee joint is fixedly connected between one end of the second rotameter and one end of the first rotameter, and the other end of the tee joint is fixedly connected with a pipeline mixer.

Preferably, the top of channel-section steel frame bottom fixedly connected with screw rod charge pump, the one end of pipeline blender is linked together with the import of screw rod charge pump, the exit linkage of screw rod charge pump has the third ball valve, the one end fixedly connected with of third ball valve goes out the medicine head.

Preferably, the medicine outlet of the nutrient salt medicine adding barrel is connected with one end of the first medicine inlet through a pipeline.

Preferably, the medicine outlet of the NaOH medicine adding barrel is connected with one end of the second medicine inlet through a pipeline.

Preferably, one end of the medicine outlet head is connected with a medicine inlet of the sewage pre-acidification treatment tank through a pipeline.

The utility model provides an integrated dosing and conveying device for a polymeric sewage pre-acidification tank, which has the following beneficial effects:

This an integration adds medicine conveyor for polymerizing sewage pre-acidification tank can save the medicine equipment area, by four pump basis of current needs, reduce to a pump basis, pass through flange and bolted connection when being connected between pipeline and first inlet or second inlet and the sewage pre-acidification tank, the maintenance of conveniently installing, only need dismantle the nutritive salt medicine adding barrel, naOH medicine adding barrel and the bolt of sewage pre-acidification tank import and export, can change equipment, replace standby equipment, do not hinder production, need two water pumps of operation simultaneously in the prior art, this device is with two low-flow medicament merge to a water pump on, reduce the running cost of electric power, reduce four diaphragm water pumps to a screw pump, four sets of inlet valve pipe fittings, four sets of outlet valve pipe fittings, a set of outlet valve pipe fitting, can reduce cost by a wide margin.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

Fig. 3 is a schematic top view of the channel frame of the present utility model.

In the figure, 1, a first medicine inlet; 11, a first pressure regulating valve, 12, a first pressure gauge, 13, a first flow regulating valve, 14, a first ball valve, 15, a first rotor flowmeter, 2, a second medicine inlet, 21, a second pressure regulating valve, 22, a second pressure gauge, 23, a second flow regulating valve, 24, a second ball valve, 25, a second rotor flowmeter, 3, a pipeline mixer, 4, a third ball valve, 5, a medicine outlet head, 6, a screw medicine adding pump, 7, a channel steel frame, 8, a nutrient salt medicine adding barrel, 9, a NaOH medicine adding barrel, 10, a sewage pre-acidification treatment pool, 16 and a tee joint.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, the utility model provides a technical scheme that an integrated dosing and conveying device for a polymeric sewage pre-acidification tank comprises a nutrient salt dosing barrel 8, a NaOH dosing barrel 9 and a sewage pre-acidification tank 10, a channel steel frame 7 is arranged between the nutrient salt dosing barrel 8 and the NaOH dosing barrel 9 and between the sewage pre-acidification tank 10, a first dosing mechanism is fixedly connected to the top of the channel steel frame 7, a second dosing mechanism is fixedly connected to one side of the first dosing mechanism at the top of the channel steel frame 7, the first dosing mechanism comprises a first chemical inlet 1, a first pressure regulating valve 11, a first pressure gauge 12, a first flow regulating valve 13, a first ball valve 14 and a first rotor flowmeter 15, the first chemical inlet 1 and the first pressure regulating valve 11 are connected through a pipeline, the first pressure regulating valve 11 and the first ball valve 12 are connected through a pipeline, the first pressure gauge 12 is connected with a second flow regulating valve 13 through the pipeline, the other end of the first flow regulating valve 13 is connected with the second ball valve 14 through the pipeline, the second flow regulating valve 2 is connected with the second rotor flowmeter 2 through the second pressure gauge 25 through the pipeline 21 and the second pressure regulating valve 22, the second end of the second flow regulating valve 2 is connected with the second rotor flowmeter 25 through the second pressure regulating valve 2 and the second flow regulating valve 25 through the pipeline 2, the second flow regulating valve 2 is connected with the second flow meter 2 through the second flow regulating valve 25 through the second flow regulating valve 2 and the second flow meter 2, a tee joint 16 is fixedly connected between one end of the second rotameter 25 and one end of the first rotameter 15, and the other end of the tee joint 16 is fixedly connected with the pipeline mixer 3.

The top fixedly connected with screw rod dosing pump 6 of channel-section steel frame 7 bottom, the one end of pipeline blender 3 is linked together with the import of screw rod dosing pump 6, the exit linkage of screw rod dosing pump 6 has third ball valve 4, the one end fixedly connected with of third ball valve 4 goes out medicine head 5, can carry two kinds of medicaments to inside sewage pre-acidizing pond 10 through going out medicine head 5, the play medicine mouth of nutritive salt dosing barrel 8 is connected with the one end of first inlet 1 through the pipeline, can be with nutritive salt input inside nutritive salt dosing barrel 8 to inside the first inlet 1, the play medicine mouth of NaOH dosing barrel 9 is connected with the one end of second inlet 2 through the pipeline, can be with the inside NaOH solution input of NaOH dosing barrel 9 to inside the second inlet 2, the one end of play medicine head 5 is connected with the inlet of sewage pre-acidizing pond 10 through the pipeline, can be with two kinds of medicines that mix through going out medicine head 5 input to inside sewage pre-acidizing pond 10.

In sum, this an integration adds medicine conveyor for polymerization sewage pre-acidification tank, when using, with this device fixed mounting on concrete foundation, fix the bottom of channel-section steel frame 7 on concrete foundation through rag bolt, the play medicine mouth of nutritive salt dosing barrel 8 is connected with first medicine inlet 1 through the pipeline, the play medicine mouth of NaOH dosing barrel 9 is connected with second medicine inlet 2 through the pipeline, the one end of play medicine head 5 is connected with the import of sewage pre-acidification tank 10 through the pipeline, the pipeline is connected with bolted connection through flange when being connected between first medicine inlet 1 or second medicine inlet 2 and sewage pre-acidification tank 10, nutritive salt in nutritive salt dosing barrel 8 gets into first medicine inlet 1 through the pipeline after, then through first pressure regulating valve 11, regulating pressure; ensuring the pressure and stability by reading the numerical value of a first pressure gauge 12, regulating a first flow regulating valve 13 to ensure the dosing amount, realizing single medicine adding switching by switching a first ball valve 14, knowing the effect of flow regulation and dosing amount by reading a first rotor flow meter 15, then entering a pipeline mixer 3 through a tee joint 16, enabling NaOH solution in the interior of a NaOH dosing barrel 9 to enter a second medicine inlet 2, then regulating the pressure through a second pressure regulating valve 21, ensuring the pressure and stability by reading the numerical value of a second pressure gauge 22, regulating a second flow regulating valve 23 to ensure dosing amount, switching a second ball valve 24 to realize single medicine adding switching, knowing the effect of flow regulation by reading a second rotor flow meter 25, enabling the dosing amount to enter the interior of the pipeline mixer 3 through the tee joint 16, fully mixing the two medicines in the pipeline mixer 3, then enter the screw dosing pump 6 and go through the pipeline that goes out medicine head 5 and be connected with it after pressurizing, get into in the sewage pre-acidification tank 10 and handle, in sewage pre-acidification tank 10, through installing the inside PH meter in sewage pre-acidification tank 10, can realize monitoring NAOH dosing effect, according to PH meter reading, adjust second flow control valve 23, adjust NaOH dosing, reach the acid and alkali requirement of pre-acidification tank, when needing to add the nutritive salt alone, close second ball valve 24, when needing to add the NaOH medicament alone, close first ball valve 14.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The integrated dosing and conveying device for the polymerized sewage pre-acidification tank is characterized by comprising a nutrient salt dosing barrel (8), a NaOH dosing barrel (9) and a sewage pre-acidification tank (10), wherein a channel steel frame (7) is arranged between the nutrient salt dosing barrel (8) and the NaOH dosing barrel (9) and between the nutrient salt dosing barrel and the sewage pre-acidification tank (10), a first dosing mechanism is fixedly connected to the top of the channel steel frame (7), a second dosing mechanism is fixedly connected to the top of the channel steel frame (7) and positioned on one side of the first dosing mechanism, the first dosing mechanism comprises a first dosing port (1), a first pressure regulating valve (11), a first pressure gauge (12), a first flow regulating valve (13), a first ball valve (14) and a first rotor flowmeter (15), the first dosing port (1) is connected with the first pressure regulating valve (11) through a pipeline, the first pressure regulating valve (11) is connected with the first pressure gauge (12) through a pipeline, the first flow regulating valve (14) is connected with the first rotor flowmeter (15) through the first flow regulating valve (13) through the pipeline, and the second flow regulating valve (14) is connected with the first rotor flowmeter (15) through the first flow regulating valve (14) through the pipeline (13) Second pressure regulating valve (21), second manometer (22), second flow control valve (23), second ball valve (24) and second rotameter (25), second medicine inlet (2) are connected with second pressure regulating valve (21) through the pipeline, second pressure regulating valve (21) are connected with second manometer (22) through the pipeline, one end of second manometer (22) is connected with second flow control valve (23) through the pipeline, be connected through the pipeline between one end of second flow control valve (23) and the one end of second ball valve (24), the other end of second ball valve (24) is connected with one end of second rotameter (25) through the pipeline, fixedly connected with tee bend (16) between one end of second rotameter (25) and one end of first rotameter (15), the other end fixedly connected with pipeline blender (3) of tee bend (16).

2. The integrated dosing and conveying device for the polymeric wastewater pre-acidification tank according to claim 1, wherein a screw dosing pump (6) is fixedly connected above the bottom of the channel steel frame (7), one end of the pipeline mixer (3) is communicated with an inlet of the screw dosing pump (6), an outlet of the screw dosing pump (6) is connected with a third ball valve (4), and one end of the third ball valve (4) is fixedly connected with a drug outlet head (5).

3. The integrated dosing and conveying device for the polymeric wastewater pre-acidification tank according to claim 1, wherein a drug outlet of the nutrient salt dosing barrel (8) is connected with one end of a first drug inlet (1) through a pipeline.

4. The integrated dosing and conveying device for the polymeric wastewater pre-acidification tank according to claim 1, wherein a drug outlet of the NaOH dosing barrel (9) is connected with one end of the second drug inlet (2) through a pipeline.

5. The integrated dosing and conveying device for the polymeric wastewater pre-acidification tank according to claim 2, wherein one end of the drug outlet head (5) is connected with a drug inlet of the wastewater pre-acidification tank (10) through a pipeline.