CN220758526U - Water bath venturi tube - Google Patents

Abstract

The utility model discloses a water bath venturi tube, which comprises a water bath box piece, wherein an expansion section is fixedly connected inside the water bath box piece, a horn nozzle is fixedly connected to the lower end of the expansion section, a contraction section is fixedly connected to the upper end of the expansion section, an air inlet pipeline is fixedly connected to the upper end of the contraction section, a spraying device is arranged inside the air inlet pipeline, a heavy hammer is movably connected to the inner side of the contraction section, and a connecting rod is fixedly connected to the upper end of the heavy hammer. According to the water bath venturi tube, the purpose of being convenient for the flue gas to fully contact with the liquid is achieved through the change of the gap between the heavy hammer and the contraction section and the change of the expansion section, and the flue gas matched between the contraction section and the expansion section is adsorbed by the liquid in the inner side of the water bath box, so that the dust removal efficiency is improved, and the dehydration effect is improved.

Description

Water bath venturi tube

Technical Field

The utility model relates to the technical field of environmental protection equipment, in particular to a water bath venturi tube.

Background

The principle of the water bath venturi tube is that after the gas in the venturi tube enters the contraction section, the flow velocity is increased, the gas reaches the maximum when entering the position with the minimum diameter of the contraction section, the gas-water mixture supplied to the throat is polymerized and permeated at high speed by means of high-speed air flow, the contact surface is enlarged to form fine particles, and the contact surface between dust particles in the gas and turbid circulating water particles is enlarged to be wetted, so that the dust particles and liquid drops or dust particles are subjected to violent collision and agglomeration, enter the diffusion tube, the flow velocity is gradually reduced, and the dust particles are mutually polymerized, so that the particles are increased and are easy to remove. Then the flue gas enters a water bath after being further decelerated through a horn nozzle, and the hydrophilic property of the liquid drops enables dust-containing liquid drops to be adsorbed by the water bath, so that the flue gas can reach a cleaning effect after being washed, and the water content of the gas after being washed is reduced;

the traditional venturi dust remover is directly connected with an exhaust pipeline at the expansion section, and the flue gas washed by the venturi is provided with a large amount of dust-containing and dust-free liquid drops, so that the environment protection of the discharged gas is not satisfied, and the purification efficiency of the flue gas is low. Accordingly, a water bath venturi is provided by those skilled in the art to solve the problems set forth in the background section above.

Disclosure of Invention

The utility model mainly aims to provide a water bath venturi tube which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a water bath venturi, includes the water bath case spare, the inside fixedly connected with expansion section of water bath case spare, the lower extreme fixedly connected with loudspeaker spout of expansion section, the upper end fixedly connected with shrink section of expansion section, the upper end fixedly connected with air inlet pipe of shrink section, air inlet pipe's internally mounted has spray set, the inboard swing joint of shrink section has the weight, the upper end fixedly connected with connecting rod of weight.

Preferably, the connecting rod penetrates through the air inlet pipeline, the connecting rod is connected with the air inlet pipeline in a sliding mode, the hydraulic cylinder is arranged at the upper end of the connecting rod, the air inlet pipeline is L-shaped, and the air inlet pipeline is communicated with the contraction section.

Preferably, the number of the spraying devices is two, the shape of the contraction section is a round table, the diameter of the lower end of the contraction section is smaller than that of the upper end of the contraction section, the diameter of the upper end of the expansion section is smaller than that of the lower end of the expansion section, and the shape of the heavy hammer is a diamond.

Preferably, the contracting section is communicated with the expanding section, the expanding section is communicated with the horn nozzle, and the diameter of the upper end of the horn nozzle is smaller than that of the lower end of the horn nozzle.

Preferably, the upper end fixedly connected with exhaust pipe of water bath case spare, the blow off pipe is installed to the one end of water bath case spare.

Preferably, the exhaust pipeline is communicated with the water bath box, and the blow-down pipe is communicated with the water bath box.

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

1. the gap between the heavy hammer and the contraction section changes and simultaneously follows the change of the expansion section, so that the purpose of being convenient for the flue gas to fully contact with liquid can be achieved, and the flue gas matched between the contraction section and the expansion section is adsorbed by the liquid in the inner side of the water bath box, so that the dust removal efficiency is improved, and the dewatering effect is improved.

2. By opening the drain pipe, part of water is discharged by the drain pipe, and dust-containing liquid drops and wet particles at the bottom of the inner side of the water bath box part can be discharged by the drain pipe, so that the dust-containing liquid drops and wet particles can be discharged conveniently.

Drawings

FIG. 1 is a schematic view of the overall structure of a water bath venturi of the present utility model.

In the figure: 1. an air inlet pipeline; 2. a connecting rod; 3. a spraying device; 4. a constriction section; 5. a heavy hammer; 6. an expansion section; 7. a horn spout; 8. a water bath box piece; 9. an exhaust duct; 10. and a blow-down pipe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in FIG. 1, a water bath venturi tube comprises a water bath box piece 8, wherein an expansion section 6 is fixedly connected to the inside of the water bath box piece 8, a horn nozzle 7 is fixedly connected to the lower end of the expansion section 6, a contraction section 4 is fixedly connected to the upper end of the expansion section 6, an air inlet pipeline 1 is fixedly connected to the upper end of the contraction section 4, a spraying device 3 is arranged in the air inlet pipeline 1, a heavy hammer 5 is movably connected to the inner side of the contraction section 4, and a connecting rod 2 is fixedly connected to the upper end of the heavy hammer 5.

In this embodiment, the connecting rod 2 runs through the inside of the air inlet pipeline 1, sliding connection is between connecting rod 2 and the air inlet pipeline 1, the pneumatic cylinder is installed to the upper end of connecting rod 2, the shape of air inlet pipeline 1 is the L font, link up between air inlet pipeline 1 and the shrink section 4, the quantity of spray set 3 has two sets of, the shape of shrink section 4 is the round platform shape, the lower extreme diameter of shrink section 4 is less than the upper end diameter, the upper end diameter of expansion section 6 is less than the lower extreme diameter, the shape of weight 5 is the diamond, link up between shrink section 4 and the expansion section 6, link up between expansion section 6 and the loudspeaker spout 7, the upper end diameter of loudspeaker spout 7 is less than the lower extreme diameter.

Specifically, the flue gas is blown to the inside of the air inlet pipeline 1 through the induced draft fan, and the external water pump supplies water to the spraying device 3, thereby the spraying device 3 sprays atomized water in the inside of the air inlet pipeline 1, and the flue gas is combined with the atomized water, and meanwhile, the external hydraulic cylinder pulls the connecting rod 2 to move, and the connecting rod 2 drives the heavy hammer 5 to move, so the gap width between the heavy hammer 5 and the contraction section 4 is changed, the flow rate of the combination of the flue gas and the atomized water in the inside of the contraction section 4 is changed, dust-containing liquid drops and water in the flue gas are mutually condensed into larger particles, and simultaneously the combination of the flue gas and the atomized water is communicated to the expansion section 6, so that the flow rate of the combination of the flue gas and the atomized water is reduced slowly according to the shape of the expansion section 6, and finally the flue gas flows into the liquid in the inside of the water bath box 8 through the horn nozzle 7, and the larger dust-containing liquid drops are immersed in the dust removing water, and adsorbed by the water, thereby the dust drops in the washed gas are removed, the effect of dust removal and moisture particles are achieved, the gap width between the expansion section 5 and the contraction section 4 is changed, and the gap between the expansion section 6 is changed, the purpose of the flue gas and the inner side of the expansion section 4 is fully matched with the flue gas, the flue gas is fully contacted with the inner side of the expansion section 6, and the flue gas is fully absorbed by the liquid in the water, and the water in the water tank, and the flue gas is fully contacted with the inside the flue gas, and has the dust and the dust is fully absorbed.

In this embodiment, the upper end fixedly connected with exhaust pipe 9 of water bath case spare 8, blow off pipe 10 is installed to the one end of water bath case spare 8, link up between exhaust pipe 9 and the water bath case spare 8 mutually, link up between blow off pipe 10 and the water bath case spare 8 mutually.

Specifically, by opening the drain pipe 10, a part of water is discharged from the drain pipe 10, and at the same time, dust-containing liquid drops and wet particles which are sunk at the bottom of the inner side of the water bath box 8 can be discharged from the drain pipe 10, so that the convenience in discharging the dust-containing liquid drops and the wet particles can be achieved.

Working principle:

when in use, the inner side of the water bath box piece 8 is filled with liquid, the horn nozzle 7 is positioned below the liquid water surface in the inner side of the water bath box piece 8, then the air inlet pipeline 1 is connected to an external induced draft fan, the spraying device 3 is connected to an external water pump, and the smoke is blown into the inner side of the air inlet pipeline 1 through the induced draft fan, and the external water pump supplies water to the spraying device 3, so that the spraying device 3 sprays atomized water in the inner side of the air inlet pipeline 1, the smoke is combined with the atomized water, and simultaneously, the external hydraulic cylinder pulls the connecting rod 2 to move, the connecting rod 2 drives the heavy hammer 5 to move, so that the gap width between the heavy hammer 5 and the contraction section 4 is changed, the flow speed of the smoke and atomized water combination in the inner side of the contraction section 4 is changed, dust-containing liquid drops and water in the smoke are mutually aggregated to become larger particles, simultaneously, the combination of the flue gas and the atomized water flows to the expansion section 6, so that the flow speed of the combination of the flue gas and the atomized water is reduced slowly according to the shape of the expansion section 6, finally, the combination flows into the liquid in the inner side of the water bath box 8 through the horn nozzle 7, larger dust-containing liquid drops are immersed in the dust removing water and adsorbed by the water, so that the dust removing and dewatering effects are achieved by removing the dust-containing liquid drops and the wet particles in the washed gas, then, the purified gas is discharged through the exhaust pipeline 9, the liquid in the inner side of the water bath box 8 is gradually increased, at the moment, the blow-off pipe 10 is opened, so that part of water is discharged by the blow-off pipe 10, at the same time, the dust-containing liquid drops and the wet particles with the bottoms at the inner side bottom of the water bath box 8 can be discharged by the blow-off pipe 10, and the gap between the heavy hammer 5 and the contraction section 4 is changed through the flue gas, and the change of the expansion section 6 is followed at the same time, the purpose of being convenient for flue gas and abundant contact of liquid can be reached to the cooperation flue gas between shrink section 4, expansion section 6 is adsorbed the dual effect under by the liquid in the water bath case spare 8 inboard, thereby has improved dust removal efficiency, has increased the dehydration effect.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A water bath venturi tube, comprising a water bath box (8), characterized in that: the inside fixedly connected with expansion section (6) of water bath spare (8), the lower extreme fixedly connected with loudspeaker spout (7) of expansion section (6), the upper end fixedly connected with shrink section (4) of expansion section (6), the upper end fixedly connected with air inlet pipe (1) of shrink section (4), internally mounted of air inlet pipe (1) has spray set (3), the inboard swing joint of shrink section (4) has weight (5), the upper end fixedly connected with connecting rod (2) of weight (5).

2. A water bath venturi according to claim 1, wherein: the connecting rod (2) penetrates through the air inlet pipeline (1), the connecting rod (2) is connected with the air inlet pipeline (1) in a sliding mode, a hydraulic cylinder is mounted at the upper end of the connecting rod (2), the air inlet pipeline (1) is L-shaped, and the air inlet pipeline (1) is communicated with the contraction section (4).

3. A water bath venturi according to claim 1, wherein: the number of the spraying devices (3) is two, the shape of the contraction section (4) is round table, the diameter of the lower end of the contraction section (4) is smaller than that of the upper end, the diameter of the upper end of the expansion section (6) is smaller than that of the lower end, and the shape of the heavy hammer (5) is diamond.

4. A water bath venturi according to claim 1, wherein: the expansion section (6) is communicated with the horn nozzle (7), and the diameter of the upper end of the horn nozzle (7) is smaller than that of the lower end of the horn nozzle.

5. A water bath venturi according to claim 1, wherein: the upper end of the water bath box (8) is fixedly connected with an exhaust pipeline (9), and a blow-down pipe (10) is arranged at one end of the water bath box (8).

6. A water bath venturi according to claim 5, wherein: the exhaust pipeline (9) is communicated with the water bath box (8), and the sewage draining pipe (10) is communicated with the water bath box (8).