CN216303544U - Industrial high-salinity wastewater evaporative crystallization zero discharge device - Google Patents

Abstract

The utility model relates to the field of evaporative crystallization of wastewater, in particular to an industrial high-salinity wastewater evaporative crystallization zero-discharge device which comprises a heating tank, wherein a water leakage partition plate is fixedly sleeved in the heating tank, the bottom of the water leakage partition plate is fixedly connected with a impurity discharge pipe communicated with the bottom surface of the inner wall of the water leakage partition plate, and the top end of the inner wall of the impurity discharge pipe is fixedly sleeved with an electronic flap valve. This kind of high salt waste water evaporative crystallization zero discharge apparatus of industry, through the baffle that leaks that sets up in the heating jar and the cooperation of arranging miscellaneous pipe, make waste water can carry out the sedimentation earlier and handle, under the cooperation of a plurality of water proof fill and kuppe, make waste water can be sufficient after the filter residue contact the heating surface of extension, thereby improve the evaporation efficiency of waste water after the filter residue, compact structure area is less simultaneously, through the baffle that leaks that sets up in the heating jar and the cooperation of arranging miscellaneous pipe, make waste water can carry out the sedimentation earlier and handle, under the cooperation of a plurality of water proof fill and kuppe, make waste water can fully contact the heating surface of extension behind the filter residue, and the evaporation efficiency is improved.

Description

A zero-discharge device for evaporative crystallization of industrial high-salt wastewater

technical field

The utility model relates to the field of evaporative crystallization of wastewater, in particular to a zero-discharge device for evaporative crystallization of industrial high-salt wastewater.

Background technique

The country's newly promulgated "Water Pollution Prevention and Control Action Plan" has put forward more stringent requirements in the prevention and control of industrial wastewater pollution, improving water use efficiency, total pollutant discharge control, and environmental risk control. And other key industries need to vigorously promote industrial wastewater recycling technology to achieve the goal of "zero discharge", which refers to the activities of infinitely reducing pollutants and energy emissions to zero, that is, all kinds of enterprises in the production process. The industrial wastewater can be completely reused after proper technical treatment, and no wastewater will be discharged into the external water environment. The technologies applied in the field of zero-discharge advanced treatment of desulfurization wastewater at home and abroad mainly include membrane concentration technology and evaporative crystallization technology. .

There are the following problems in the prior art that have not been well resolved: 1. The current traditional evaporative crystallization technology generally uses a multi-effect evaporator, but the equipment system structure is relatively complex and occupies a large area, resulting in high equipment investment and operating costs, and evaporation. The crystallization efficiency is low and the practicability is low; 2. When the existing equipment is heating wastewater and performing evaporative crystallization, the internal crystallization adheres to the inner wall surface of the equipment, which is inconvenient to clean, and long-term accumulation affects the operation of the equipment. defect.

Utility model content

The purpose of this utility model is to provide a zero-discharge device for evaporative crystallization of industrial high-salt wastewater, so as to solve the problem of the complex structure proposed in the above-mentioned background technology, the high mechanical cost, the low evaporation efficiency, and the inconvenient cleaning of the crystallization adhered to the inner wall of the device. The problem. In order to achieve the above purpose, the present utility model provides the following technical solutions: an industrial high-salt wastewater evaporative crystallization zero-discharge device, comprising a heating tank, a water leaking clapboard is fixedly sleeved in the heating tank, and the bottom of the leaking clapboard is fixedly connected There is a miscellaneous discharge pipe communicating with the bottom surface of its inner wall, and the top of the inner wall of the miscellaneous discharge pipe is fixedly sleeved with an electronic flap valve, the top of the leaking baffle is fixedly connected with an isolation cylinder, and the top of the heating tank is fixedly inserted. The inner water inlet pipe, and the lower half end of the water inlet pipe is fixedly sleeved with a shielding bucket;

A waterproof cover and a gear sleeve are respectively fixed and sleeved on the miscellaneous discharge pipe, a waterproof motor is fixedly connected to the bottom surface of the water leakage partition, and the output end of the waterproof motor penetrates the waterproof cover and is connected to the transmission wheel below it. The top is fixedly connected, and the transmission wheel is meshed with the gear sleeve. The inner wall of the heating tank is fixedly sleeved with a water separator and fixedly connected with a cleaning rod, and both sides of the bottom surface of the gear sleeve are fixedly connected with a transmission scraper. , and the two transmission scraping rods are fixedly sleeved with a guide cover, the bottom end of the miscellaneous discharge pipe penetrates the heating tank and is fixedly connected to the input pipe of the filter press below it, and the water delivery pipe of the filter press is connected to the filter press through the delivery pipe. One side of the water inlet pipe is fixedly connected.

Preferably, the leaking baffle is a bucket-shaped structure with a diameter decreasing from top to bottom, and the top edge of the leaking baffle is provided with several leaking holes penetrating to the bottom thereof, and the leaking holes are located outside the isolation cylinder.

Preferably, the number of the shroud and the cleaning rod is not less than two, and the cleaning rod is movably overlapped on the top surface of the shroud and connected to it.

Preferably, the transmission scraping rod is composed of a long rod fixedly connected with a plurality of inclined rods, and the plurality of inclined rods are respectively movably overlapped on the top surface of the plurality of water buckets or the bottom surface of the inner wall of the heating tank, and are connected with them.

Preferably, the inner diameter of the lower half of the water separator is 1.3 times the diameter of the miscellaneous discharge pipe, and several water separators and several flow hoods are interspersed with each other from top to bottom.

Preferably, the bottom of the inner wall of the heating tank is provided with a bucket-shaped drainage gradient whose diameter decreases sequentially from top to bottom, and the bottom of the heating tank is provided with a discharge pipe valve penetrating into the interior thereof.

Compared with the prior art, the beneficial effects of the present utility model:

In the utility model, through the cooperation of the leakage partition plate and the miscellaneous discharge pipe arranged in the heating tank, the waste water can be sedimented first, and with the cooperation of several water separators and the guide hood, the waste water after the filter residue can be fully contacted The expanded heating surface improves the evaporation efficiency of the waste water after filtering the residue. At the same time, the structure is compact and the floor area is small, which greatly reduces the mechanical cost and operating cost, and has high practicability.

In the utility model, through the action of the transmission scraping rod and the cleaning rod, the crystallized particles on the top of the water barrier and the shroud can be scraped and slid down, so as to be collected in a centralized manner, without the need to regularly clean the inside of the equipment, and reduce the labor of manual operation steps. At the same time, avoid crystal accumulation affecting the operation of the equipment.

Description of drawings

Fig. 1 is the three-dimensional view of the utility model structure;

Fig. 2 is the three-dimensional cross-sectional view of the utility model structure;

3 is a top sectional view of the structural waterproof cover of the present invention.

In the picture: 1. Heating tank; 2. Water leakage partition; 3. Miscellaneous discharge pipe; 4. Electronic flap valve; 5. Isolation cylinder; 6. Water inlet pipe; 7. Blocking bucket; 8. Waterproof cover; cylinder; 10, transmission wheel; 11, waterproof motor; 12, water separator; 13, cleaning rod; 14, transmission scraper; 15, shroud; 16, filter press; 17, conveying pipe.

Detailed ways

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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 3 , the present utility model provides a technical solution: a zero-discharge device for evaporation and crystallization of industrial high-salt wastewater, comprising a heating tank 1, and a water leakage partition plate 2 is fixedly sleeved in the heating tank 1, and the leakage partition The bottom of the plate 2 is fixedly connected with a miscellaneous discharge pipe 3 that communicates with the bottom surface of its inner wall, and the top of the internal wall of the miscellaneous discharge pipe 3 is fixedly sleeved with an electronic flap valve 4, and the top of the leaking partition 2 is fixedly connected with an isolation cylinder 5, and a heating tank 1 The top of the water inlet pipe 6 is fixedly inserted into its interior, and the lower half of the water inlet pipe 6 is fixedly sleeved with a shielding bucket 7;

A waterproof cover 8 and a gear sleeve 9 are fixedly sleeved on the miscellaneous discharge pipe 3 respectively, and a waterproof motor 11 is fixedly connected to the bottom surface of the leaking partition 2, and the output end of the waterproof motor 11 penetrates the waterproof cover 8 and is below it. The top of the transmission wheel 10 is fixedly connected, and the transmission wheel 10 is meshed with the gear sleeve 9. The inner wall of the heating tank 1 is fixedly sleeved with a water separator 12 and fixedly connected with a cleaning rod 13. Both sides of the bottom surface of the gear sleeve 9 are fixed. A transmission scraper 14 is fixedly connected, and the two transmission scrapers 14 are fixedly sleeved with a guide cover 15, the bottom end of the impurity discharge pipe 3 penetrates the heating tank 1 and is fixedly connected with the input pipe of the filter press 16 below it, and The water delivery pipe of the filter press 16 is in fixed communication with one side of the water inlet pipe 6 through the delivery pipe 17 .

In this embodiment, as shown in FIGS. 1 and 2 , the leaking partition 2 is a bucket-shaped structure with a diameter decreasing in turn from top to bottom, and the edge of the top of the leaking partition 2 is provided with a number of leaking water penetrating to its bottom. hole, and the leakage hole is located on the outer side of the isolation cylinder 5 .

In this embodiment, as shown in FIG. 2 , the number of the shroud 15 and the cleaning rod 13 is not less than two, and the cleaning rod 13 is movably overlapped on the top surface of the shroud 15 and connected to it.

In this embodiment, as shown in FIG. 2 and FIG. 3 , the transmission scraper 14 is composed of a long rod fixedly connected with a plurality of inclined rods, and the plurality of inclined rods are respectively movably overlapped on the top surface of the water separators 12 or the inner wall of the heating tank 1 Through the action of the transmission scraping rod 14 and the cleaning rod 13, the crystallized particles on the top of the water separator 12 and the deflector hood 15 can be scraped and slid down, so as to be collected in a centralized manner, and there is no need to periodically clean the inside of the equipment. Clean, reduce manual operation steps and avoid crystal accumulation affecting equipment operation.

In this embodiment, as shown in FIG. 2 and FIG. 3 , the inner diameter of the lower half of the water separator 12 is 1.3 times the diameter of the waste discharge pipe 3 , and the plurality of water separators 12 and the plurality of shrouds 15 are arranged from top to bottom. They are interspersed with each other at the bottom, and through the cooperation of the leaking baffle 2 and the miscellaneous discharge pipe 3 set in the heating tank 1, the waste water can be sedimented first, and with the cooperation of several water separators 12 and the guide hood 15, the filter residue The waste water can fully contact the extended heating surface, thereby improving the evaporation efficiency of the waste water after filtering residues. At the same time, the structure is compact and the floor area is small, which greatly reduces the mechanical cost and operating cost, and has high practicability.

In this embodiment, as shown in FIG. 1 and FIG. 2 , the drainage slope is similar, and the bottom of the heating tank 1 is provided with a discharge pipe valve which penetrates into the inside thereof.

The use method and advantages of the utility model: when the industrial high-salt wastewater evaporation and crystallization zero-discharge device is used, the working process is as follows:

As shown in Figure 1, Figure 2 and Figure 3, the heating tank 1 is continuously heated, and the waste water enters the top of the leaking partition 2 through the water inlet pipe 6 for precipitation. The blocking of the water flow by the blocking bucket 7 can improve the quality of precipitation, and the clear water after the upper precipitation flows through the isolation. Tube 5, and falls to the lower water separator 12 through the leak hole opened on the upper half edge of the water leakage partition plate 2. When the waste liquid is heated and evaporated, the small water flow is guided downward from the gap between the inner wall of the water separator 12 and the outer wall of the miscellaneous discharge pipe 3. The flow hood 15 flows, thinning and expanding the heating surface layer by layer, so that the evaporation crystallization rate increases. At the same time, the waterproof motor 11 drives the transmission wheel 10 to rotate, the gear sleeve 9 drives the two transmission scrapers 14 to rotate, and the shroud 15 rotates synchronously . Thereby, the inclined rod and the cleaning rod 13 fixed on the side of the transmission scraper rod 14 scrape off the crystallized particles on the top surface of the water trap 12 and the shroud 15 respectively and slide down, so as to pass through the discharge pipe valve at the bottom of the heating tank 1 to concentrate. Collection, it is not necessary to regularly clean the inside of the equipment, reduce manual operation steps and avoid crystal accumulation affecting the operation of the equipment. By opening the electronic flap valve 4, the impurities deposited on the top of the leaking partition 2 can be regularly discharged. After passing through the filter press 16 The impurity crystals and other substances are pressure filtered, and the remaining waste liquid can be transported to the water inlet pipe 6 again through the conveying pipe 17, so as to improve the treatment effect of the waste liquid.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the industry that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, without departing from the present invention. Under the premise of the spirit and scope of the new model, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides an industry high salt waste water evaporative crystallization zero discharge apparatus, includes heating jar (1), its characterized in that: the water leakage heating device is characterized in that a water leakage partition plate (2) is fixedly sleeved in the heating tank (1), the bottom of the water leakage partition plate (2) is fixedly connected with a impurity discharging pipe (3) communicated with the bottom surface of the inner wall of the water leakage partition plate, the top of the inner wall of the impurity discharging pipe (3) is fixedly sleeved with an electronic gate turnover valve (4), the top of the water leakage partition plate (2) is fixedly connected with an isolation cylinder (5), the top of the heating tank (1) is fixedly inserted with a water inlet pipe (6) penetrating into the heating tank, and the lower half end of the water inlet pipe (6) is fixedly sleeved with a shielding hopper (7);

the impurity discharging pipe (3) is respectively fixedly sleeved with a waterproof cover (8) and a movable sleeve gear sleeve (9), the bottom surface of the water leakage clapboard (2) is fixedly connected with a waterproof motor (11), and the output end of the waterproof motor (11) penetrates through the waterproof cover (8) and is fixedly connected with the top of the driving wheel (10) below the waterproof cover, and the driving wheel (10) is meshed with the gear sleeve (9), the inner wall of the heating tank (1) is respectively fixedly sleeved with a water-isolating bucket (12) and a cleaning rod (13), both sides of the bottom surface of the gear sleeve (9) are fixedly connected with a transmission scraping rod (14), and the two transmission scraping rods (14) are fixedly sleeved with a flow guide cover (15), the bottom end of the impurity discharging pipe (3) penetrates through the heating tank (1) and is fixedly connected with an input pipe of a filter press (16) below the heating tank, and the water delivery pipe of the filter press (16) is fixedly communicated with one side of the water inlet pipe (6) through a delivery pipe (17).

2. The industrial high-salinity wastewater evaporative crystallization zero-discharge device according to claim 1, characterized in that: the water leakage partition plate (2) is of a bucket-shaped structure with the diameter decreasing from top to bottom, a plurality of water leakage holes penetrating through the bottom of the water leakage partition plate (2) are formed in the edge of the top of the water leakage partition plate, and the water leakage holes are located on the outer side of the isolation cylinder (5).

3. The industrial high-salinity wastewater evaporative crystallization zero-discharge device according to claim 1, characterized in that: the number of the air guide sleeve (15) and the number of the cleaning rods (13) are not less than two, and the cleaning rods (13) are movably overlapped on the top surface of the air guide sleeve (15) and are attached to the top surface of the air guide sleeve (15).

4. The industrial high-salinity wastewater evaporative crystallization zero-discharge device according to claim 1, characterized in that: the transmission scraping rod (14) is formed by fixedly connecting a long rod with a plurality of inclined rods, and the inclined rods are movably lapped on the top surfaces of a plurality of water insulation buckets (12) or the bottom surface of the inner wall of the heating tank (1) respectively and are jointed with the water insulation buckets.

5. The industrial high-salinity wastewater evaporative crystallization zero-discharge device according to claim 4, characterized in that: the inner diameter of the lower half end of the water-proof bucket (12) is 1.3 times of the diameter of the impurity discharge pipe (3), and the water-proof buckets (12) and the guide hoods (15) are inserted in an inserting mode from top to bottom.

6. The industrial high-salinity wastewater evaporative crystallization zero-discharge device according to claim 1, characterized in that: the bottom of heating jar (1) inner wall is seted up the bucket form drainage slope that the diameter from the top down reduces in proper order, and the bottom of heating jar (1) is provided with the blow-off pipe valve that runs through to its inside.

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