CN212974560U

CN212974560U - Pipeline mechanism for micro-mist dust settling system

Info

Publication number: CN212974560U
Application number: CN202021313616.1U
Authority: CN
Inventors: 李红恩; 尚建敏
Original assignee: Zhengzhou Changhongshang Concrete Co ltd
Current assignee: Zhengzhou Changhongshang Concrete Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-16
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a cleaner production technical field discloses a little fog pipeline mechanism for dust fall system, it includes the flow pipe, the butterfly valve is installed to the play water end of flow pipe, the connecting pipe is installed to the play water end of butterfly valve, the spray pipe is installed to the play water end of connecting pipe, the spray pipe is located the regional top of dust, install the shower nozzle on the spray pipe, the shower nozzle is one end confined tube-shape, opening end fixed mounting of shower nozzle is in the spray pipe, set up a plurality of nozzle of winding shower nozzle axial lead equipartition on the lateral wall of shower nozzle, the port on the nozzle lateral wall is higher than the port on its inside wall. The utility model has the advantages that: the spraying openings are arranged according to the oblique throwing motion rule, so that the spraying coverage area of the spray heads under the same condition is maximized, and the using number of the spray heads in unit area is reduced.

Description

Pipeline mechanism for micro-mist dust settling system

Technical Field

The utility model relates to a cleaner production technical field, especially a little fog pipeline mechanism for dust fall system.

Background

The concrete mixing plant mainly comprises 5 major systems such as a mixing host material weighing system, a material conveying system, a material storage system, a control system and the like, and other accessory facilities. As the building aggregate metering is compared with the station aggregate metering, four intermediate links are reduced, and the metering time is saved because of vertical blanking metering, the production efficiency is greatly improved.

When producing concrete, the cement that the concrete needs flows to the agitated vessel inner chamber through unloading pipe from the cement jar internal flow, then cement and other materials mixing stirring form the concrete.

However, cement can generate a large amount of cement dust from the cement tank through the discharging pipe just like the inner cavity of the stirring equipment, and the dust can diffuse in the stirring station to affect the health of workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a little fog pipeline mechanism for dust fall system to solve the big problem of raise dust in the current cement manufacture.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a little fog is pipeline mechanism for dust fall system, includes the flow pipe, the butterfly valve is installed to the play water end of flow pipe, the connecting pipe is installed to the play water end of butterfly valve, the spray pipe is installed to the play water end of connecting pipe, the spray pipe is located dust region top, install the shower nozzle on the spray pipe, the shower nozzle is one end confined tube-shape, the opening end fixed mounting of shower nozzle is in the spray pipe, set up a plurality of winds on the lateral wall of shower nozzle the nozzle of nozzle axial lead equipartition, the port on the nozzle lateral wall is higher than the port on its inside wall.

Preferably, a piston for closing the spraying opening is installed in the spray head, a limiting boss is arranged on the inner wall of the spray head, and the sponge is installed at the bottom of the spray head through the piston in a compression mode.

Preferably, still include the buffer tube, the water outlet end of flow pipe inserts in the buffer tube, the outer wall of flow pipe with form the surge chamber between the inner wall of buffer tube, the surge chamber is close to the one end that the flow pipe intake end is sealed, the water outlet end of flow pipe is provided with the laval spray tube, the external diameter of the expansion pipe main aspects of laval spray tube is less than the internal diameter of buffer tube, be provided with the cone in the expansion pipe of laval spray tube, the fixed bracing piece that is provided with on the outer wall of cone, the other end of bracing piece is fixed on the inner wall of the expansion pipe of laval spray tube, the outer wall of cone with form the high-speed chamber between the expansion pipe inner wall of laval spray tube, the butterfly valve is installed to the open end of buffer tube.

Preferably, the closed end of the buffer tube is fitted with a one-way valve for venting the buffer chamber.

Preferably, the large end of the cone is flush with the large end of the expansion pipe of the laval nozzle.

Preferably, the support rods are a plurality of and evenly distributed on the outer wall of the cone around the gravity center of the cone.

The utility model has the advantages of it is following:

1. the spraying openings are arranged according to the oblique throwing motion rule, so that the spraying coverage area of the spray heads under the same condition is maximized, and the using number of the spray heads in unit area is reduced.

2. Thereby open when the shower nozzle through water pressure promotion piston to shower nozzle bottom motion begin to spray, the piston recovers when closing, the spraying opening is extruded to the sponge, prevents that the dust from getting into to lead to blockking up.

3. The rivers that send in the water pipe accelerate through the narrow throat section of Laval spray tube, then the indoor high-speed motion that keeps of intaking, the expansion pipe that erupts Laval spray tube at a high speed at last and the inner wall formation cascade of directive buffer tube, high-speed cascade takes away the air and the hydrops in the buffer chamber and forms the negative pressure, when the valve is closed suddenly, the pressure increase of valve and Laval spray tube water outlet end, the water that sprays in the Laval spray tube backward flow gets into the buffer tube under the attraction of negative pressure, thereby reduce the impact to the valve, the water hammer effect has been reduced.

4. The setting of check valve has avoided the interior negative pressure of buffer chamber too big, leads to the buffer tube to be located the too big difference of one section inside and outside atmospheric pressure value of buffer chamber, flattens the result of use of buffer chamber with the buffer chamber.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a showerhead;

FIG. 3 is a schematic view of the installation structure of the sponge;

FIG. 4 is a schematic view of a buffer tube mounting configuration;

FIG. 5 is a schematic view of the mounting structure of the cone;

in the figure, 1-water supply pipe, 2-buffer pipe, 3-buffer chamber, 4-Laval nozzle, 5-cone, 6-support rod, 7-high speed chamber, 8-butterfly valve, 9-one-way valve, 10-connecting pipe, 11-spray pipe, 12-spray head, 13-spray opening, 14-piston, 15-limit boss and 16-sponge.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

As shown in fig. 1-5, a pipeline mechanism for a micro-mist dust suppression system comprises a water supply pipe 1, a butterfly valve 8 is installed at the water outlet end of the water supply pipe 1, a connecting pipe 10 is installed at the water outlet end of the butterfly valve 8, a spray pipe 11 is installed at the water outlet end of the connecting pipe 10, the spray pipe 11 is located above a dust area, a spray head 12 is installed on the spray pipe 11, the spray head 12 is in a cylindrical shape with one closed end, the open end of the spray head 12 is fixedly installed in the spray pipe 11, a plurality of spray openings 13 uniformly distributed around the axial lead of the spray head 12 are formed in the side wall of the spray head 12, ports on the outer side wall of each spray opening 13 are higher than ports on the inner side wall of the spray opening, the spray openings 13 are arranged according to an oblique throwing motion rule, the spray coverage.

In this embodiment, as shown in fig. 1 to 5, a piston 14 for opening and closing the spraying opening 13 is installed in the nozzle 12, a limiting boss 15 is provided on an inner wall of the nozzle 12, a sponge 16 is installed at the bottom of the nozzle 12 through the piston 14 in a compressed manner, the piston 14 is pushed by water pressure to move towards the bottom of the nozzle 12 when the nozzle 12 is opened so as to start spraying, the piston 14 is restored when the nozzle 12 is closed, and the sponge 16 is squeezed out of the spraying opening 13 so as to prevent dust from entering and causing blockage.

In this embodiment, as shown in fig. 1-5, the buffer tube 2 is further included, the water outlet end of the water supply pipe 1 is inserted into the buffer tube 2, a buffer chamber 3 is formed between the outer wall of the water supply pipe 1 and the inner wall of the buffer tube 2, one end of the buffer chamber 3 close to the water inlet end of the water supply pipe 1 is sealed, the water outlet end of the water supply pipe 1 is provided with a laval nozzle 4, the outer diameter of the large end of the expansion pipe of the laval nozzle 4 is smaller than the inner diameter of the buffer tube 2, a cone 5 is arranged in the expansion pipe of the laval nozzle 4, a support rod 6 is fixedly arranged on the outer wall of the cone 5, the other end of the support rod 6 is fixed on the inner wall of the expansion pipe of the laval nozzle 4, a high-speed chamber 7 is formed between the outer wall of the cone 5 and the inner wall of the expansion pipe of the laval nozzle 4, a butterfly valve 8 is installed at the, high-speed rivers get into high-speed room 7 and keep, and high-speed spout forms the cascade to the inner wall of buffer tube 2, high-speed cascade takes away the air in buffer chamber 3, make buffer chamber 3 form the negative pressure, after butterfly valve 8 closes suddenly, rivers between butterfly valve 8 and the Laval spray tube 4 are under buffer chamber 3's negative pressure effect, reverse inflow buffer chamber 3, thereby reduced because of butterfly valve 8 closes the impact force of rivers to butterfly valve 8 suddenly, and when butterfly valve 8 opens once more, high-speed cascade spouts the inner wall to buffer tube 2 once more, the air water mixture in the buffer chamber 3 is under high-speed cascade's drive, discharge buffer chamber 3 rapidly.

In this embodiment, as shown in fig. 1 to 5, the one-way valve 9 for ventilating the buffer chamber 3 is installed at the closed end of the buffer tube 2, and the one-way valve 9 prevents the buffer chamber 3 from being affected by an excessive difference between the inside and outside atmospheric pressures of a section of the buffer tube 2 located in the buffer chamber 3 due to an excessive negative pressure inside the buffer chamber 3, and the buffer chamber 3 is squashed.

In this embodiment, as shown in fig. 1 to 5, the large end of the cone 5 is flush with the large end of the expansion pipe of the laval nozzle 4, so as to avoid the problem that the flow velocity is reduced after the water curtain reaches the inner wall of the buffer pipe 2 due to the excessively long spraying distance, and the suction effect on the gas-water mixture in the buffer chamber 3 is poor.

In this embodiment, as shown in fig. 1-5, the volume of the high velocity chamber 7 is equal to the volume of the inner cavity of the narrow throat section of the laval nozzle 4, so that the velocity of the water in the high velocity chamber 7 is consistent with the narrow throat section.

In the present embodiment, as shown in fig. 1 to 5, the outer diameter of the expansion tube of the laval nozzle 4 is equal to 4/5 of the inner diameter of the buffer tube 2, and the gap between the expansion tube and the buffer tube 2 is too large or too small, which affects the water yield of the air-water mixture in the buffer chamber 3, resulting in poor water yield.

In this embodiment, as shown in fig. 1 to 5, the distance between the valve flap of the butterfly valve 8 and the large end of the expansion pipe of the laval nozzle 4 is 3/4 times to 1.2 times the inner diameter of the buffer pipe 2, the damage speed of the large butterfly valve 8 to the impact force of the valve by the over-small high-speed water curtain is accelerated, and when the large butterfly valve 8 is suddenly closed by an over-large butterfly valve, the high-speed water curtain does not flow back into the buffer chamber 3 in time, the buffer chamber 3 cannot exert the effect in time, and the effect of reducing the water hammer effect is not obvious.

In this embodiment, as shown in fig. 1-5, the support rods 6 are uniformly distributed on the outer wall of the cone 5 around the center of gravity of the cone 5, so that the cone 5 is more stably installed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a little fog pipeline mechanism for dust fall system, includes the flow pipe, the butterfly valve is installed to the play water end of flow pipe, the connecting pipe is installed to the play water end of butterfly valve, the spray pipe is installed to the play water end of connecting pipe, the spray pipe is located dust region top, its characterized in that: install the shower nozzle on the spray pipe, the shower nozzle is one end confined tube-shape, the opening end fixed mounting of shower nozzle is in the spray pipe, set up a plurality of winds on the lateral wall of shower nozzle the nozzle of nozzle axial lead equipartition, the port on the nozzle lateral wall is higher than the port on its inside wall.

2. The pipeline mechanism for the micro-mist dust settling system according to claim 1, characterized in that: install in the shower nozzle and play to close the piston of shower nozzle, be provided with spacing boss on the inner wall of shower nozzle, the sponge passes through the piston compression is installed the bottom of shower nozzle.

3. The pipeline mechanism for the micro-fog dust settling system as claimed in claim 1 or 2, wherein: still include the buffer tube, the water outlet end of flow pipe inserts in the buffer tube, the outer wall of flow pipe with form the surge chamber between the inner wall of buffer tube, the surge chamber is close to the one end that the flow pipe intake end is sealed, the water outlet end of flow pipe is provided with the laval spray tube, the external diameter of the expansion pipe main aspects of laval spray tube is less than the internal diameter of buffer tube, be provided with the cone in the expansion pipe of laval spray tube, the fixed bracing piece that is provided with on the outer wall of cone, the other end of bracing piece is fixed on the inner wall of the expansion pipe of laval spray tube, the outer wall of cone with form the high-speed chamber between the expansion pipe inner wall of laval spray tube, the butterfly valve is installed to the open end of buffer tube.

4. The pipeline mechanism for the micro-mist dust settling system according to claim 3, characterized in that: a one-way valve is mounted to the closed end of the buffer tube for venting air to the buffer chamber.

5. The pipeline mechanism for the micro-mist dust settling system according to claim 4, wherein: the large end of the cone is flush with the large end of the expansion pipe of the laval nozzle.

6. The pipeline mechanism for the micro-mist dust settling system according to claim 5, characterized in that: the supporting rods are a plurality of and wind the center of gravity of the cone is evenly distributed on the outer wall of the cone.