CN219010067U

CN219010067U - MVR wastewater treatment device

Info

Publication number: CN219010067U
Application number: CN202221623788.8U
Authority: CN
Inventors: 黄剑; 周正全
Original assignee: Jiangsu Kecheng Energy Saving Technology Co ltd
Current assignee: Jiangsu Kecheng Energy Saving Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-05-12
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses an MVR wastewater treatment device which comprises a wastewater pretreatment device, an MVR evaporation device, a condensed water collection box and a wastewater collection box, wherein the wastewater pretreatment device is connected with the MVR evaporation device through a pipeline, so that the MVR evaporation device is respectively connected with the condensed water collection box and the wastewater collection box through a pipeline, the wastewater pretreatment device comprises a purification box, a filtering device is arranged in the purification box and comprises a coarse filter screen, a fine filter screen and an adsorption device, the coarse filter screen and the fine filter screen are sequentially arranged up and down, and the adsorption device is positioned between the coarse filter screen and the fine filter screen. The utility model pretreats the wastewater by the wastewater pretreatment device, thereby ensuring the subsequent evaporation efficiency and avoiding the occurrence of blockage.

Description

MVR wastewater treatment device

Technical Field

The utility model belongs to the technical field of wastewater treatment, and particularly relates to an MVR wastewater treatment device.

Background

The wastewater treatment is to treat the wastewater by using physical, chemical and biological methods, so that the wastewater is purified, pollution is reduced, the wastewater is recovered and reused, water resources are fully utilized, and the MVR wastewater treatment equipment heats, concentrates, evaporates and distills the wastewater by adopting a technology of reusing energy of secondary steam generated by the MVR wastewater treatment equipment. The equipment has the characteristics of small volume, low energy consumption and the like, and is widely applied to the field of wastewater treatment.

The utility model provides a chinese utility model patent of 201921452215.1 discloses a effluent treatment plant based on MVR, including PH equalizing basin, reaction sedimentation cauldron, MVR evaporation concentration mechanism, centrifuge and drying mechanism, drying mechanism includes heating cabinet and drying cabinet, is equipped with the heat preservation in the heating cabinet, and the upper end of heating cabinet is equipped with the case lid, and the lower extreme of case lid is equipped with the sealing washer, is equipped with intake pipe and outlet duct on the lateral wall of heating cabinet, and upper end and the lower extreme of drying cabinet are equipped with blast pipe and discharging pipe respectively, are equipped with the discharge door on the discharging pipe, be equipped with the feed channel on the lateral wall of drying cabinet, the feed channel runs through the lateral wall of heating cabinet and is equipped with the feed door through hinged joint with it on the feed channel, and the one end that keeps away from the hinge on the feed door is equipped with the safety lock, and the inboard of feed door is equipped with the sealing washer. The vapor generated by the MVR evaporation concentration device is further utilized, and the wastewater treatment product is further treated, so that the energy is saved, and the treatment of crystalline powder is facilitated for people. However, the above patent has a certain defect, lacks the pretreatment device to waste water, and waste water is more in waste residue, and evaporation efficiency after easily influencing and cause the jam.

Disclosure of Invention

In order to solve the problems, the utility model provides an MVR wastewater treatment device, which comprises a wastewater pretreatment device, an MVR evaporation device, a condensed water collection box and a wastewater collection box, wherein the wastewater pretreatment device is connected with the MVR evaporation device through a pipeline, so the MVR evaporation device is respectively connected with the condensed water collection box and the wastewater collection box through a pipeline, the wastewater pretreatment device comprises a purification box, a filtering device is arranged in the purification box, the filtering device comprises a coarse filter screen, a fine filter screen and an adsorption device, the coarse filter screen and the fine filter screen are sequentially arranged up and down, the adsorption device is positioned between the coarse filter screen and the fine filter screen, the adsorption device comprises a rotating rod, the rotating rod is rotatably arranged on the side wall of the bottom of the purification box, a fixing sleeve is connected on the rotating rod, a plurality of activated carbon adsorption nets are arranged on the fixing sleeve, the activated carbon adsorption nets are installed on the fixing sleeve in a fan blade shape, and the bottom of the purification box is provided with a discharge outlet.

Preferably, the top of purifying box is equipped with driving motor, driving motor output downwardly extending reaches purifying box inside and is connected with the puddler, the periphery of puddler is connected with stirring vane, the top side of purifying box is equipped with the flocculating agent and puts in the mouth.

Preferably, an observation window is arranged on the side edge of the purifying box, and the position of the observation window is parallel to the adsorption device.

Preferably, a liquid level sensor is arranged on the inner side wall of the purifying box.

Preferably, the MVR evaporation device comprises an MVR evaporator, a compressor and a steam inlet pipe, wherein the MVR evaporator is connected with the compressor through the steam inlet pipe, the compressor is connected with a steam outlet pipe, and the steam outlet pipe is connected with the MVR evaporator.

The utility model has the advantages that: through being equipped with preprocessing device, waste water through adding the flocculating agent in the purifying box forms centrifugal vortex for make tiny particle and the natural micelle in the waste water condense into big floccule, utilize coarse filter screen and fine filter screen to filter, purify waste water, got rid of the waste residue in the waste water, thereby improved purifying effect, the active carbon adsorption net can further adsorb the harmful substance in the waste water, further promotes the purifying effect of waste water.

Drawings

FIG. 1 is a schematic diagram of an adsorption apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a filter device according to the present utility model;

FIG. 3 is a schematic diagram of the overall structure of the present utility model;

in the figure: in the figure: 1 wastewater pretreatment device, 2 condensate water collecting box, 3 wastewater collecting box, 4 purifying box, 5 coarse filter screen, 6 fine filter screen, 7 rotating rod, 8 fixed sleeve, 9 active carbon adsorption net, 10 discharge outlet, 11 driving motor, 12 stirring rod, 13 stirring blade, 14 flocculant input port, 15 observation window, 16 liquid level sensor, 17 MVR evaporator, 18 compressor, 19 steam inlet pipe, 20 steam outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

As shown in figures 1-3, an MVR wastewater treatment device comprises a wastewater pretreatment device 1, an MVR evaporation device, a condensed water collection box 2 and a wastewater collection box 3, wherein the wastewater pretreatment device 1 is connected with the MVR evaporation device through a pipeline, so the MVR evaporation device is respectively connected with the condensed water collection box 2 and the wastewater collection box 3 through a pipeline, the wastewater pretreatment device 1 comprises a purification box 4, a filtering device is arranged in the purification box 4, the filtering device comprises a coarse filter screen 5, a fine filter screen 6 and an adsorption device, the coarse filter screen 5 and the fine filter screen 6 are sequentially arranged up and down, the adsorption device is positioned between the coarse filter screen 5 and the fine filter screen 6, the adsorption device comprises a rotating rod 7, the rotating rod 7 is rotationally arranged on the side wall at the bottom of the purification box 4, a fixed sleeve 8 is connected on the rotating rod 7, a plurality of activated carbon adsorption nets 9 are arranged on the fixed sleeve 8 in a fan blade shape, and a discharge port 10 is arranged at the bottom of the purification box 4. The top of purifying box 4 is equipped with driving motor 11, driving motor 11 output downwardly extending to purifying box 4 inside and be connected with puddler 12, the periphery of puddler 12 is connected with stirring vane 13, the top side of purifying box 4 is equipped with flocculating agent and puts in mouth 14 and water inlet, be equipped with level sensor 16 on the inside lateral wall of purifying box 4, MVR evaporation plant includes MVR evaporator 17, compressor 18, MVR evaporator 17 is connected with compressor 18 through steam inlet tube 19, compressor 18 is connected with steam exit tube 20, steam exit tube 20 is connected with MVR evaporator 17.

When the device is used, firstly, wastewater is led into the purifying tank 4, the liquid level sensor 16 senses the injected wastewater, after the wastewater reaches a designated amount, a flocculating agent is added into the purifying tank 4 through the flocculating agent adding port 14, fine particles and natural colloidal particles in the wastewater are enabled to be coagulated into large floccules after the flocculating agent is dissolved in water, then the stirring blades 13 are driven by the driving motor 11 to be stirred, the flocculating agent is better and uniformly dissolved in the water, then the large floccules are filtered by the coarse filter screen 5, then the wastewater flows downwards, the activated carbon adsorption net 9 can further adsorb harmful substances in the wastewater, and as the activated carbon adsorption net 9 is arranged on the fixed sleeve 8 in a fan blade shape, the activated carbon adsorption net 9 is driven to rotate by the flowing impact of the water flow, so that the contact effect of the activated carbon adsorption net and the water flow is better, the adsorption effect is further exerted, the wastewater is finally discharged from the discharge port 10 to flow into the MVR evaporator 17 after the wastewater, the produced steam enters the compressor 18, the compressed steam is conveyed into the MVR evaporator 17 again, and the condensed water is led into the condensed water collecting tank for the MVR 3 to be concentrated. Through being equipped with preprocessing device, through the waste water formation centrifugal vortex of adding the flocculating agent in the purifying box 4, utilize coarse filter screen 5 and thin filter screen 6 to filter, purify waste water, got rid of the waste residue in the waste water to improved purifying effect, active carbon adsorption net 9 can further adsorb the harmful substance in the waste water, further promotes the purifying effect of waste water.

Example 2

This embodiment has the same part as embodiment 1, except that the side of the side purifying box 4 of the purifying box 4 is provided with an observation window 15, the position of the observation window 15 is parallel to the adsorbing device, the observation window 15 is used for observing the condition of the adsorbing device, if the deposit is too much, the purifying box 4 needs to be opened for cleaning, and the purifying effect of the waste water is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. MVR effluent treatment plant, its characterized in that: including waste water preprocessing device (1), MVR evaporation plant, comdenstion water collecting box (2) and waste water collecting box (3), waste water preprocessing device (1) is connected with MVR evaporation plant through the pipeline, so MVR evaporation plant is connected with comdenstion water collecting box (2) and waste water collecting box (3) respectively through the pipeline, waste water preprocessing device (1) is including purifying box (4), the inside of purifying box (4) is equipped with filter equipment, filter equipment includes coarse filter screen (5), fine filter screen (6) and adsorption equipment, coarse filter screen (5) and fine filter screen (6) set gradually from top to bottom, adsorption equipment is located between coarse filter screen (5) and fine filter screen (6), adsorption equipment includes dwang (7), dwang (7) rotate and set up on purifying box (4) bottom lateral wall, be connected with fixed sleeve (8) on dwang (7), be equipped with a plurality of activated carbon adsorption net (9) are fixed sleeve (8) are installed on the bottom of flabellum (4), a plurality of be equipped with discharge port (10).

2. The MVR wastewater treatment device of claim 1, wherein: the top of purifying box (4) is equipped with driving motor (11), driving motor (11) output downwardly extending to purifying box (4) inside and be connected with puddler (12), the periphery of puddler (12) is connected with stirring vane (13), the top side of purifying box (4) is equipped with flocculating agent and puts in mouth (14).

3. The MVR wastewater treatment device of claim 2, wherein: the side of purifying box (4) is equipped with observation window (15) mouth, the position of observation window (15) mouth is established and is parallel with adsorption equipment.

4. The MVR wastewater treatment device of claim 3, wherein: the inner side wall of the purifying box (4) is provided with a liquid level sensor (16).

5. The MVR wastewater treatment device of claim 4, wherein: MVR evaporation plant includes MVR evaporimeter (17), compressor (18) and steam advances pipe (19), MVR evaporimeter (17) are connected with compressor (18) through steam advances pipe (19), compressor (18) are connected with steam exit tube (20), steam exit tube (20) are connected with MVR evaporimeter (17).