CN109539651B

CN109539651B - Snow making machine based on ejector

Info

Publication number: CN109539651B
Application number: CN201811489308.1A
Authority: CN
Inventors: 刘斌; 李阳; 贾一鸣; 陈爱强; 贝拉塞.拉西德; 金.塞非亚
Original assignee: Tianjin University of Commerce
Current assignee: Tianjin University of Commerce
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2020-07-28
Anticipated expiration: 2038-12-06
Also published as: CN109539651A

Abstract

The invention discloses a snow making machine based on an ejector. The air compressor and the oscillation humidifier are fixed at the bottom layer of the rack, the water tank is fixed at the middle layer of the rack, the high-speed air drum is installed at the upper layer of the rack, the bottom surface of the bottom layer of the rack is provided with the electric pulley, and the electric pulley is provided with the fixing device; the inner wall of the bottom of the high-speed air drum is provided with an ejector placing interface, and the outer wall of the bottom of the high-speed air drum is provided with an annular spray pipe interface; the exhaust port of the air compressor is divided into two paths, and one path is connected with the ejector through a first pipeline; the other path is connected with an air inlet of the oscillation humidifier through a second pipeline; the lower end interface of the ejector is connected with the water tank through a third pipeline, the third pipeline is inserted into the water tank, the ejector is placed on the ejector interface of the high-speed air drum in a surrounding annular mode, the upper end of the water tank is provided with the ejector interface and a water inlet, and the water inlet is connected with the water pump through a pipeline; the vibration humidifier is connected with the annular spraying pipe through a pipeline IV, and the annular spraying pipe is connected to an annular spraying pipe connector of the outer wall of the bottom of the high-speed air drum. The snow making machine is simple in equipment, convenient to move and capable of achieving indoor snow making and outdoor snow making at the same time.

Description

Snow making machine based on ejector

Technical Field

The invention belongs to the field of artificial snow making, and particularly relates to a novel snow making machine which utilizes an ejector to replace a gas-water mixer, a gas-water mixing fog outlet pipe, a spray gun or a spray nozzle.

Background

In recent years, ice and snow tourism projects in China are increasing day by day, the on-snow projects are popular with ice and snow sports enthusiasts, and people realize artificial snow making through a snow making machine in order to meet the requirement of people for better experiencing the on-snow projects. The snow making machine sprays water at high pressure through a nozzle or a spray gun under the action of a gas-water mixer and a gas-water mixed fog pipe to form tiny water drops and spray the tiny water drops into cold external air, and the tiny water drops take away heat through natural evaporation and volume expansion to solidify the fog drops into ice crystals, namely, the snow on a ski field is seen by people. However, the above snow making method has problems in that the smaller the droplet size, the larger the evaporation amount thereof, the more the water loss, and in addition, the dependence of the snow making method on the external environment is strong, the snow making efficiency is low, and the structure of the conventional snow making machine is complicated.

Disclosure of Invention

The invention provides a snow making machine based on an ejector, and aims to form a high-pressure gas-water mixture through the ejector and simplify the structure of the snow making machine.

To achieve the object of the present invention, the following technical means are adopted

A snow making machine based on an ejector comprises a high-speed air drum, a water tank, an air compressor, a valve, an ejector, an annular spray pipe, a vibration humidifier and a frame; the air compressor and the vibration humidifier are fixed on the bottom layer of the rack, the water tank is fixed on the middle layer of the rack, the high-speed air drum is installed on the upper layer of the rack, the bottom surface of the bottom layer of the rack is provided with an electric pulley, and the electric pulley is provided with a fixing device; the inner wall of the bottom of the high-speed air drum is provided with an ejector placing interface, and the outer wall of the bottom of the high-speed air drum is provided with an annular spray pipe interface; the exhaust port of the air compressor is divided into two paths, one path is connected with the ejector through a first pipeline, and the first pipeline is provided with a first valve; the other path is connected with an air inlet of the oscillation humidifier through a second pipeline, and a second valve is arranged on the second pipeline; the lower end interface of the ejector is connected with the water tank through a third pipeline, a third valve is arranged on the third pipeline, the third pipeline is inserted into the water tank, the ejector is placed on the ejector interface of the high-speed air drum in a surrounding annular mode, the upper end of the water tank is provided with the ejector interface and a water inlet, and the water inlet is connected with the water pump through a pipeline; the vibration humidifier is connected with the annular spraying pipe through a fourth pipeline, a fourth valve is arranged on the fourth pipeline, and the annular spraying pipe is connected to an annular spraying pipe connector on the outer wall of the bottom of the high-speed air drum.

And an impurity filter is arranged at the water inlet of the water tank.

Compared with the prior art, the invention has the beneficial effects that

The invention uses the ejector to replace a gas-water mixer, a gas-water mixing fog outlet pipe, a spray gun or a spray nozzle, simplifies the equipment structure, saves the cost of the snow making machine to a certain extent, and improves the snow making quality and efficiency. The device is simple and convenient to move, and can realize indoor and outdoor snow making at the same time, so as to meet the requirement of indoor snow making and fill the blank of an indoor snow making technology.

The invention can improve the quality and efficiency of snow making by adjusting the valve. The invention utilizes the oscillation humidifier and the valve to control the humidity of air in the snow making process.

Drawings

Fig. 1 is a schematic structural view of a snow making machine based on an ejector.

Detailed Description

The present invention is described in further detail below with reference to the attached drawings and specific examples.

As shown in fig. 1, a snow making machine based on an ejector comprises a high-speed air drum 1, a water tank 2, an air compressor 3, a first valve 4, a second valve 5, a third valve 6, a fourth valve 7, an ejector 8, an annular nozzle 9, a vibration humidifier 10 and a frame 11; the frame comprises bottom, middle level and upper strata, and air compressor 3, vibration humidifier 10 are fixed in the bottom of frame, and water tank 2 is fixed in the middle level of frame, and high-speed air drum 1 installs in the upper strata of frame, and the bottom surface of frame 11 bottom is equipped with electronic pulley 12, is equipped with fixing device 13 on the electronic pulley. The inner wall of the bottom of the high-speed air drum 1 is provided with an ejector placing interface 14, and the outer wall of the bottom of the high-speed air drum 1 is provided with an annular spray pipe interface 15. The air outlet of the air compressor 3 is divided into two paths, one path is connected with the ejector 8 through a first pipeline, and a first valve 4 is arranged on the first pipeline; the other path is connected with an air inlet of the oscillation humidifier 10 through a second pipeline, and a second valve 5 is arranged on the second pipeline. The lower end interface of the ejector is connected with the water tank 2 through a third pipeline, a third valve 6 is arranged on the third pipeline, the third pipeline is inserted into the water tank, the ejector 8 is placed on the ejector interface 14 of the high-speed air drum 1 in a circular mode, the upper end of the water tank 2 is provided with an ejector interface 16 and a water inlet 17, a filter is arranged at the water inlet 17, and the water inlet 17 is connected with the water pump through a pipeline. Vibrate humidifier 10 and connect annular spray tube 9 through pipeline four, be equipped with valve four 7 on the pipeline four, annular spray tube 9 connects on annular spray tube interface 15 of high-speed air drum 1 bottom outer wall.

The working process of the invention is as follows: turning on a power supply to enable the air compressor, the high-speed blower, the water pump and the oscillation humidifier to operate, after a certain time, opening a first valve to enable an ejector to eject high-pressure droplets, wherein the high-pressure droplets have a certain throttling effect through the ejector, and a part of the temperature is reduced to form ice crystals; and then opening a second valve to enable wet steam in the oscillation humidifier to be sprayed out from the spray pipe, and mixing the wet steam and small liquid drops or ice crystals in the high-speed air drum to be sprayed out to form snowflakes.

The valve is used for improving the efficiency and quality of snow making. The air humidity and the temperature of each region are different, and the equipment can be adjusted according to the special environment of the region, so that the requirement of the snow making process is met.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A snow making machine based on an ejector is characterized by comprising a high-speed air drum, a water tank, an air compressor, a valve, the ejector, an annular spray pipe, a vibration humidifier and a frame; the air compressor and the vibration humidifier are fixed on the bottom layer of the rack, the water tank is fixed on the middle layer of the rack, the high-speed air drum is installed on the upper layer of the rack, the bottom surface of the bottom layer of the rack is provided with an electric pulley, and the electric pulley is provided with a fixing device; the inner wall of the bottom of the high-speed air drum is provided with an ejector placing interface, and the outer wall of the bottom of the high-speed air drum is provided with an annular spray pipe interface; the exhaust port of the air compressor is divided into two paths, one path is connected with the ejector through a first pipeline, and the first pipeline is provided with a first valve; the other path is connected with an air inlet of the oscillation humidifier through a second pipeline, and a second valve is arranged on the second pipeline; the lower end interface of the ejector is connected with the water tank through a third pipeline, a third valve is arranged on the third pipeline, the third pipeline is inserted into the water tank, the ejector is placed on the ejector interface of the high-speed air drum in a surrounding annular mode, the upper end of the water tank is provided with the ejector interface and a water inlet, and the water inlet is connected with the water pump through a pipeline; the vibration humidifier is connected with the annular spraying pipe through a fourth pipeline, a fourth valve is arranged on the fourth pipeline, and the annular spraying pipe is connected to an annular spraying pipe connector on the outer wall of the bottom of the high-speed air drum.

2. The eductor-based snow making machine of claim 1 wherein the water inlet of the water tank is provided with a contaminant filter.