CN209890287U - Dissolved air flotation machine with backwashing function - Google Patents

Abstract

The utility model provides a dissolve gas air supporting machine with back flush function, this kind of air supporting machine need not dismantle the releaser and can wash, effectively reduce operating personnel's intensity of labour, and the cleaning performance is good. Including air supporting pond, clean water basin, dissolved air pump, dissolve gas pitcher and releaser, be equipped with in the air supporting pond and discharge the perforation collector pipe in the clean water basin after purifying the clear water, the inlet tube that dissolves the air pump stretches into in the clean water basin, the delivery port that dissolves the air pump passes through the flow pipe and dissolves the gas pitcher and be connected, and the delivery port that dissolves the gas pitcher passes through the release pipe and is connected with the releaser water inlet, and the releaser setting is in the air supporting pond, who has the release valve on the release pipe, still includes the backwash pipe, the flow pipe passes through the backwash pipe and is connected with the backwash water inlet of releaser, be provided with the backwash valve on the backwash pipe, be equipped with the conversion.

Description

Dissolved air flotation machine with backwashing function

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a dissolve gas air supporting machine with back flush function.

Background

The dissolved air floatation machine is a common solid-liquid separation equipment, and is mainly applied to sewage treatment engineering. Under the condition of pressurization, air is dissolved in water, and after the pressure is reduced by a releaser, a large amount of micro bubbles are generated to adsorb fine substances and remove impurities in the water. However, after the existing dissolved air flotation machine is used for a period of time, the calcium accumulation condition is easy to exist in the releaser, so that the releaser is blocked, the air flotation effect is not ideal, and the air flotation effluent is turbid. Therefore, the releaser needs to be manually disassembled, cleaned and restarted, and the steps are complicated, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art's defect, provide a dissolve gas air supporting machine with back flush function, this kind of air supporting machine need not dismantle the releaser and can wash, effectively reduces operating personnel's intensity of labour, and the cleaning performance is good.

For solving the technical problem, the utility model provides a dissolve gas air supporting machine with back flush function, including air supporting pond, clean water basin, dissolve the air pump, dissolve gas pitcher and releaser, be equipped with the perforation collector pipe that the clear water after will purifying discharges in the clean water basin in the air supporting pond, the inlet tube that dissolves the air pump stretches into in the clean water basin, the delivery port that dissolves the air pump passes through the flow pipe and is connected with dissolving the gas pitcher, the delivery port that dissolves the gas pitcher passes through the release pipe and is connected with the releaser water inlet, the releaser sets up in the air supporting pond, who has the release valve on the release pipe, still include the backwash pipe, the flow pipe is connected with the back flush water inlet of releaser through the backwash pipe, be provided with the backwash valve on the backwash pipe, be equipped with the conversion valve.

After adopting above-mentioned structure, compare with prior art, the utility model has the advantages of it is following:

the utility model discloses under the normal use condition, dissolved air pump goes out water and enters into in the dissolved air jar, the conversion valve is in the open mode, the inlet tube with dissolve the gas jar switch-on, water is in dissolving in the gas jar through the releaser after the air entrainment pressurization release dissolved air water in the air supporting pond, and after using a period, the inside chemical material knot calcium that appears of releaser, the jam condition, open back flush valve this moment, close the releaser valve, close the conversion valve door, make inlet tube and backwash pipe switch-on, start the dissolved air pump back flush, huge water pressure is entered from the back flush water inlet of releaser, wash away its inside plug, the back flush is crossed, the releaser can normal use, need not to dismantle, the cleaning performance is good, operating personnel's intensity of labour has effectively been reduced, guarantee the air supporting effect.

As an improvement, the perforated water collecting pipe is arranged at the bottom of the air floatation tank, so that the clean water at the lower layer of the air floatation tank flows into the clean water tank through the perforated water collecting pipe.

As an improvement, a mud scraping device is arranged in the air floatation tank and comprises a slide rail, a slide block, a supporting arm, a filter cover and a lifting mechanism, the number of the slide rails is two, the slide rails are respectively and horizontally arranged on two outer side surfaces of the air floatation tank, the slide rails are respectively connected with slide blocks in a sliding way, the two slide blocks are fixedly connected through a supporting arm, the middle part of the supporting arm is provided with a mounting groove for the filter cover to pass through, a lifting mechanism is fixed above the mounting groove, the filter cover can move up and down in the mounting groove under the driving of the lifting mechanism, and a sewage discharge outlet is arranged on the air floatation tank, when the floating slag on the water surface in the air flotation tank is accumulated to a certain thickness, the sliding block is driven to move in the sliding rail, thereby drive the filter mantle and remove, scrape the dross to discharge through the drain, thereby guarantee purifying effect, and the high accessible lifting mechanism of filter mantle is adjusted.

As the improvement, lifting mechanism includes mounting bracket and drive screw, the U type of shape for invering of mounting bracket, the lower extreme and the support arm fixed connection of mounting bracket, the screw hole that supplies drive screw to pass is seted up at the middle part of mounting bracket, drive screw's lower extreme and filter mantle rotatable coupling, stretch out behind the screw hole is passed to drive screw's upper end, and is equipped with in drive screw's upper end and revolves wrong handle, like this, through revolving wrong handle, makes drive screw remove in the screw hole to the drive filter mantle reciprocates, height-adjusting.

As the improvement, the lower end of the filter cover is provided with the hopper which is horizontally arranged, so that floating slag in sewage falls into the hopper under the action of gravity, the floating object and the floating slag are lifted by the lifting of the lifting mechanism, the use is convenient, and the cleanness of water quality is ensured.

Drawings

Fig. 1 is a schematic system diagram of a dissolved air flotation machine with a backwashing function of the present invention.

Fig. 2 is a schematic structural view of the mud scraping device of the present invention.

The device comprises an air flotation tank 1, a clean water tank 2, a dissolved air pump 3, a dissolved air tank 4, a dissolved air tank 5, a releaser 6, a perforated water collecting pipe 7, a water feeding pipe 8, a release pipe 9, a release valve 10, a back flush valve 11, a conversion valve 12, a slide rail 13, a slide block 14, a supporting arm 15, a filter cover 16, a mounting groove 17, a sewage outlet 18, a mounting rack 19, a driving screw rod 20, a screwing handle 21 and a back flush pipe.

Detailed Description

The following is a more detailed description of the present invention:

the utility model provides a dissolve gas air supporting machine with backwash function, including air supporting pond 1, clean water basin 2, dissolved air pump 3, dissolved gas jar 4 and releaser 5, be equipped with in the air supporting pond 1 and discharge the clear water after purifying to the perforation collector pipe 6 in the clean water basin 2, dissolved air pump 3's inlet tube stretches into in the clean water basin 2, dissolved air pump 3's delivery port passes through flow pipe 7 and dissolves gas jar 4 and be connected, dissolved gas jar 4's delivery port passes through release pipe 8 and is connected with releaser 5 water inlet, releaser 5 sets up in air supporting pond 1, who has release valve 9 on the release pipe 8, still include backwash pipe 21, flow pipe 7 is connected with the backwash water inlet of releaser 5 through backwash pipe 21, be provided with backwash valve 10 on the backwash pipe 21, be equipped with conversion valve 11 on the flow pipe 7 that is close to dissolving gas jar 4. The utility model discloses under normal use condition, 3 play water of dissolved air pump enter into dissolved air tank 4 in, conversion valve 11 is in the open mode, the inlet tube with dissolve the switch-on of air tank 4, water is dissolving in air tank 4 through releaser 5 release dissolved air water in air supporting pond 1 after the air entrainment pressurization, and after using a period, the chemical material calcium accumulation appears in releaser 5 inside, the jam condition, open back flush valve 10 this moment, close releaser 5 valve, close conversion valve 11, make inlet tube and backwash pipe 21 switch-on, start 3 back flushes of dissolved air pump, huge water pressure enters from the back flush water inlet of releaser 5, flush away its inside plug, the back flush is crossed, releaser 5 can normal use, need not to dismantle, the cleaning performance is good, operating personnel's intensity of labour has effectively been reduced, guarantee the air supporting effect.

In this embodiment, the perforated water collecting pipe 6 is disposed at the bottom of the air flotation tank 1, so that the clean water in the lower layer of the air flotation tank 1 flows into the clean water tank 2 through the perforated water collecting pipe 6.

In this embodiment, a mud scraping device is arranged in the air flotation tank 1, the mud scraping device includes a slide rail 12, two slide blocks 13, a support arm 14, a filter cover 15 and a lifting mechanism, the number of the slide rails 12 is two, the slide rails are respectively horizontally arranged on two outer side surfaces of the air flotation tank 1, the slide blocks 13 are respectively connected on the slide rail 12 in a sliding manner, the two slide blocks 13 are fixedly connected through the support arm 14, a mounting groove 16 for the filter cover 15 to pass through is formed in the middle of the support arm 14, the lifting mechanism is fixed above the mounting groove 16, the filter cover 15 can move up and down in the mounting groove 16 under the driving of the lifting mechanism, a drain outlet 17 is formed in the air flotation tank 1, so that after scum on a water surface in the air flotation tank 1 is accumulated to a certain thickness, the slide blocks 13 are driven to move in the slide rail 12, so as to drive the filter cover 15 to, thereby ensuring a purifying effect and the height of the filter mantle 15 can be adjusted by the lifting mechanism.

In this embodiment, the lifting mechanism includes mounting bracket 18 and drive screw 19, the shape of mounting bracket 18 is the U type of invering, the lower extreme and the support arm 14 fixed connection of mounting bracket 18, and the screw hole that supplies drive screw 19 to pass is seted up at the middle part of mounting bracket 18, drive screw 19's lower extreme and filter mantle 15 rotatable coupling, stretch out after the screw hole is passed to drive screw 19's upper end, and be equipped with at drive screw 19's upper end and revolve wrong handle 20, like this, through revolving wrong handle 20, make drive screw 19 move in the screw hole to drive filter mantle 15 and reciprocate, height-adjusting.

In this embodiment, the lower extreme of filter mantle 15 has the hopper of level setting, and like this, the dross in the sewage is because in the effect of gravity falls to the hopper, cooperation lifting mechanism's rising is mentioned floater and dross, and convenient to use has guaranteed the clean of quality of water.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made by the constructions, features and principles described in the claims are included in the scope of the present invention.

Claims (5)

1. The utility model provides a dissolve gas air supporting machine with back flush function, includes air supporting pond, clean water basin, dissolves the air pump, dissolves gas pitcher and releaser, is equipped with the perforation collector pipe that the clear water after will purifying discharges in the clean water basin in the air supporting pond, and the inlet tube that dissolves the air pump stretches into in the clean water basin, and the delivery port that dissolves the air pump passes through the flow pipe and dissolves the gas pitcher and be connected, and the delivery port that dissolves the gas pitcher passes through the release pipe and is connected with the releaser water inlet, and the releaser sets up in the air supporting pond, is equipped with the release valve on the release pipe, its characterized in that still includes the backwash pipe, the flow pipe passes through the backwash pipe and is connected with the backwash water inlet of releaser, be provided with the backwash.

2. The dissolved air flotation machine with backwashing function of claim 1, wherein the perforated water collecting pipe is arranged at the bottom of the flotation tank.

3. The dissolved air flotation machine with the back washing function as claimed in claim 1, wherein a mud scraping device is arranged in the flotation tank, the mud scraping device comprises slide rails, slide blocks, support arms, filter covers and a lifting mechanism, the two slide rails are respectively horizontally arranged on two outer side surfaces of the flotation tank, the slide blocks are respectively and slidably connected to the slide rails, the two slide blocks are fixedly connected through the support arms, a mounting groove for the filter covers to pass through is formed in the middle of each support arm, the lifting mechanism is fixed above the mounting groove, the filter covers can move up and down in the mounting groove under the driving of the lifting mechanism, and a sewage discharge outlet is formed in the flotation tank.

4. The dissolved air flotation machine with the back flushing function as claimed in claim 3, wherein the lifting mechanism comprises an installation frame and a driving screw, the installation frame is in an inverted U shape, the lower end of the installation frame is fixedly connected with the supporting arm, a threaded hole for the driving screw to pass through is formed in the middle of the installation frame, the lower end of the driving screw is rotatably connected with the filter cover, the upper end of the driving screw extends out after passing through the threaded hole, and a screwing handle is arranged at the upper end of the driving screw.

5. The dissolved air flotation machine with backwashing function as claimed in claim 3, wherein the lower end of the filter hood is provided with a hopper horizontally arranged.

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