CN215409465U

CN215409465U - Multifunctional miniature jet device

Info

Publication number: CN215409465U
Application number: CN202121589471.2U
Authority: CN
Inventors: 金儒霖; 柏斌; 余明; 蔡华
Original assignee: Hainan Tianhong Municipal Design Co ltd
Current assignee: Hainan Tianhong Municipal Design Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-04
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a multifunctional miniature ejector, which comprises a water inlet section, a suction hollow chamber section, a reducing pressure-bearing section, a throat section and a diffusion pipe section which are connected in sequence, is different from an ejector consisting of a traditional 9-section coaxial line combined pipe body, only adopts 5 sections of pipe bodies for connection, removes redundant air inlet pipes, can reduce the whole volume, can be applied to JBR integrated sewage treatment equipment commonly used in the current sewage treatment, ensures that sewage, activated sludge and air are fully cut, compressed and mass transferred through the miniature ejector to form uniform emulsion, thereby strengthening the biochemical process of organic pollutants, ensuring the purification effect, has the characteristics of simple structure, convenient carrying, low noise, low energy consumption, low manufacturing cost, long service life and the like, furthest reduces the floor area on the basis function of realizing jet aeration, has wider application range, and can be applied to vast rural areas, China and China, Oxygen supply and stirring of miniature sewage biological treatment equipment which is rapidly developed in cities and towns.

Description

Multifunctional miniature jet device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a multifunctional micro ejector.

Background

In sewage treatment, aeration treatment is often required to be carried out, common aeration modes comprise blast aeration, surface aeration, jet aeration and the like, wherein the jet aeration is a common mode, the current jet aerator has various models, the basic structure is composed of nine sections of coaxial line combined pipe bodies which are sequentially connected together and are the same, a second-level air inlet is shared, the jet aerator is mostly used in small and medium-sized and large-sized sewage stations, and with the continuous development of sewage treatment technology, the micro integrated JBR integrated sewage treatment equipment is widely used, and the traditional jet aerator cannot meet the functional requirements of the current micro integrated JBR integrated sewage treatment equipment due to the overlarge oxygen filling amount.

SUMMERY OF THE UTILITY MODEL

Therefore, the multifunctional micro ejector provided by the utility model has the advantages that the structure is simplified, redundant air inlet pipes are removed, and the multifunctional micro ejector can be applied to micro integrated JBR integrated sewage treatment equipment and has the characteristics of simple equipment, multiple functions, low energy consumption, low noise, small occupied area and the like.

The technical scheme of the utility model is realized as follows:

a multifunctional miniature ejector comprises a water inlet section, a suction hollow chamber section, a reducing pressure-bearing section, a throat pipe section and a diffusion pipe section, wherein the water inlet section, the suction hollow chamber section, the reducing pressure-bearing section, the throat pipe section and the diffusion pipe section are sequentially connected, one end of the water inlet section extends into the suction hollow chamber section, a feeding pipe is arranged on the side wall of the suction hollow chamber section, and the feeding pipe is used for air inlet, mud inlet or medicament addition; the diameter of the reducing pressure-bearing section is reduced along the water flow direction, and the diameter of the diffusion pipe section is gradually increased along the water flow direction.

Preferably, the water inlet section extends 80mm into the suction hollow chamber section.

Preferably, an automatic control electromagnetic ball valve is arranged at the inlet of the feeding pipe and electrically connected with an external PLC automatic control device or a time control switch.

Preferably, the device is used for being installed in the JBR integrated sewage treatment device and is vertically installed in the middle area of the reaction zone of the device and is 400mm away from the bottom of the device.

Preferably, the water inlet section, the suction hollow chamber section, the reducing pressure-bearing section, the throat section and the diffusion pipe section are directly connected or connected through flanges.

Preferably, the water inlet section, the suction hollow chamber section, the reducing pressure-bearing section, the throat section and the diffusion pipe section are made of stainless steel or ABS or nylon glass fibers.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a multifunctional miniature ejector, which simplifies original 9 sections of coaxial combined pipe bodies and realizes the original jet function only by combining 5 pipe bodies, thereby reducing the whole volume, simplifying the equipment and reducing the power consumption, so that the multifunctional miniature ejector is convenient to be applied to miniature integrated JBR integrated sewage treatment equipment, is convenient to carry due to small size, can be applied to aeration oxygenation, anaerobic treatment, jet dosing and the like, and is suitable for most fields of sewage treatment.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of a multifunctional micro ejector according to the present invention;

in the figure, 1 is a water inlet section, 2 is a suction hollow chamber section, 3 is a reducing pressure-bearing section, 4 is a throat section, 5 is a diffusion section, 6 is a feeding pipe, 7 is a self-control electromagnetic ball valve, and 8 is a flange.

Detailed Description

For a better understanding of the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1, the multifunctional micro ejector provided by the utility model comprises a water inlet section 1, a suction hollow chamber section 2, a reducing pressure-bearing section 3, a throat pipe section 4 and a diffusion pipe section 5, wherein the water inlet section 1, the suction hollow chamber section 2, the reducing pressure-bearing section 3, the throat pipe section 4 and the diffusion pipe section 5 are sequentially connected, one end of the water inlet section 1 is deep into the suction hollow chamber section 2, a feeding pipe 6 is arranged on the side wall of the suction hollow chamber section 2, and the feeding pipe 6 is used for air inlet, mud inlet or medicament feeding; the diameter of the reducing pressure-bearing section 3 is reduced along the water flow direction, and the diameter of the diffusion pipe section 5 is gradually increased along the water flow direction.

The multifunctional micro ejector is different from a traditional 9-section ejector, the number of the pipe bodies is 5, the ejector formed by sequentially connecting the pipe bodies is simple in overall structure, redundant air inlet pipes are removed, and the occupied area is small, so that the multifunctional micro ejector is suitable for micro integrated JBR integrated sewage treatment equipment.

The utility model relates to a multifunctional micro ejector which is connected with a submersible sewage pump and an automatic control system, wherein the submersible sewage pump pumps water flow into a water inlet section 1, the water inlet section 1 is partially extended into a suction hollow chamber section 2, air can be driven to enter the suction hollow chamber section 2 from a feed pipe 6 under the strong impulsive force of the water flow, the suction hollow chamber section 2 has the function of loading the air sucked by negative pressure, and gas, liquid and solid are fully mixed in the suction hollow chamber section 2 and enter a throat pipe section 4 through a reducing pressure-bearing section 3 to form uniform mixed shock waves and finally are diffused into equipment or water through a diffusion pipe section 5.

Preferably, the water inlet section 1 stretches into and inhales 80mm in the

cavity section

2, 1 long 150mm in water inlet section, the bore is 14mm, inhale 2 long 95mm in cavity section, the bore is 35mm, 3 long 22mm in reducing pressure-bearing section, the bore is 14mm by 35mm transition, 4 long 130mm in throat section, the bore is 20mm, 5 long 80mm in diffusion section, the bore is 17mm for 14mm diffusion.

The working fluid flow of the submersible sewage pump selected by the utility model is 2m³The nozzle diameter of 10mm can be obtained through a nozzle diameter calculation formula of the ejector, so that the caliber of the water inlet section 1 is set to be 14mm, and the ejector has good oxygenation capacity.

The air suction ratio of the multifunctional micro ejector is 1:1.2 (liquid: gas), the liquid suction ratio is 0.3: 0.4 (liquid: liquid), the working pressure is generally 8-10m, the oxygen utilization rate is 65% -85%, and the air intake amount is 3-4m³H, the parameter of the connecting water pump is Q2-3 m³/h，H＝7m，W＝90w。

Preferably, an automatic control electromagnetic ball valve 7 is arranged at the inlet of the feeding pipe 6, and the automatic control electromagnetic ball valve 7 is electrically connected with an external PLC automatic control device or a time control switch.

The feeding pipe 6 can be used for introducing gas, sludge or medicament, and the automatic control electromagnetic ball valve 7 arranged at the inlet of the feeding pipe can be controlled to be opened and closed through a PLC automatic control device or a time control switch arranged outside.

When the multifunctional micro jet device is applied to JBR integrated sewage treatment equipment, the jet device needs to be kept in a vertical state and is 400mm away from the bottom of the equipment box body.

The multifunctional miniature ejector disclosed by the utility model also has multiple application scenes:

when the device is applied to aerobic treatment of sewage and sludge, the device can be horizontally or vertically arranged in a biological reaction tank, mixed liquid in the biological reaction tank is extracted by a submersible sewage pump to be working liquid, the working liquid enters the suction hollow chamber section 2 to be fully mixed with self-suction air, is converted into homogeneous emulsion through the throat section 4, and is finally sprayed into the reaction tank through the diffusion section 5, so that the sewage biochemical reaction and the sludge aerobic digestion treatment are promoted to be effectively carried out.

When the jet aerator is applied to anaerobic treatment of sludge, the jet aerator can be vertically or horizontally arranged in the tank according to the tank type of the anaerobic tank, and the air inlet pipe is closed to convey the sludge, so that an anaerobic environment is formed inside the jet aerator.

When the device is applied to dosing of water, the device can be arranged on a small swimming boat, the feeding pipe 6 is used for adding liquid medicine, the power is provided by a water pump, pumped water is used as working liquid, the pumped water is fully mixed with the liquid medicine sucked into the hollow chamber section 2 and then is sprayed into the water, and the functions of dosing of the water, water surface plug flow, mobile oxygenation and the like are realized.

When the device is applied to water body ecological restoration, the device can be vertically or horizontally installed in a water body, the feeding pipe 6 extends out of the water surface, and the self-control electromagnetic ball valve 7 is opened.

When the device is applied to reoxygenation of bottom mud, the device is horizontally arranged at a position which is about 10 cm away from the surface of the bottom mud, the feeding pipe 6 vertically extends out of the water surface, and the self-control electromagnetic ball valve 7 of the feeding pipe 6 is opened.

Preferably, the water inlet section 1, the suction hollow chamber section 2, the reducing pressure-bearing section 3, the throat section 4 and the diffusion pipe section 5 are directly connected or connected through a flange 8, and the water inlet section 1, the suction hollow chamber section 2, the reducing pressure-bearing section 3, the throat section 4 and the diffusion pipe section 5 are made of stainless steel or ABS or nylon glass fibers.

The 5 sections of pipes of the multifunctional micro ejector are connected through the flange 8 or directly, so that the multifunctional micro ejector is convenient to disassemble and assemble, is made of stainless steel, ABS or nylon glass fiber, can bear large water pressure and water flow impact, can be provided with the hoops at two ends of the ejector when in use, and then is connected with a box body or other connecting parts, so that the multifunctional micro ejector is convenient to disassemble and maintain.

The multifunctional micro ejector provided by the utility model can be applied to oxygen supply and stirring of micro sewage biochemical treatment equipment which is rapidly developed in vast rural areas and cities and towns in China, and is mainly characterized by simple structure, low manufacturing cost, no noise, no blockage, long service life, capability of supplying power by using solar energy, and formation of mean emulsion after three phases (water, mud and gas) of sewage, activated sludge and air are fully cut, compressed and subjected to mass transfer through the micro ejector, so that the biochemical process of organic pollutants is strengthened, and the purification effect is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A multifunctional miniature ejector is characterized by comprising a water inlet section, a suction hollow chamber section, a reducing pressure-bearing section, a throat pipe section and a diffusion pipe section, wherein the water inlet section, the suction hollow chamber section, the reducing pressure-bearing section, the throat pipe section and the diffusion pipe section are sequentially connected, one end of the water inlet section extends into the suction hollow chamber section, the side wall of the suction hollow chamber section is provided with a feed pipe, and the feed pipe is used for air inlet, mud inlet or medicament addition; the diameter of the reducing pressure-bearing section is reduced along the water flow direction, and the diameter of the diffusion pipe section is gradually increased along the water flow direction.

2. The multifunctional micro ejector according to claim 1, wherein the water inlet section extends 80mm into the suction hollow chamber section.

3. The multifunctional micro ejector according to claim 1, wherein an automatic control electromagnetic ball valve is arranged at the inlet of the feeding pipe, and the automatic control electromagnetic ball valve is electrically connected with an external PLC automatic control device or a time control switch.

4. The multifunctional micro ejector as claimed in claim 1, which is used for being installed in JBR integrated sewage treatment equipment, and is vertically installed in the middle area of the reaction zone of the equipment and is 300-400mm away from the bottom of the equipment.

5. The multifunctional micro ejector according to claim 1, wherein the water inlet section, the suction hollow chamber section, the reducing pressure-bearing section, the throat section and the diffuser section are directly connected or connected through flanges.

6. The multifunctional micro ejector according to claim 1, wherein the water inlet section, the suction hollow chamber section, the reducing pressure-bearing section, the throat section and the diffusion pipe section are made of stainless steel, ABS or nylon glass fiber.