Double-path rotational flow air-adding jetting device

By using a dual-path swirl air supply device, a swirling jet is formed by swirling nozzles and conical tubes to accelerate the spraying of materials, which solves the problem of material clumping and accumulation, improves the spraying quality and final setting strength, and reduces rebound and cost.

CN223698080UActive Publication Date: 2025-12-23HENAN COAL SCI RES INST KEMING MECHANICAL & ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202423019402.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-12-23
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

When traditional spraying equipment sprays materials, the materials tend to clump together, leading to increased rebound, reduced final setting strength and construction quality, failing to meet construction requirements and increasing costs.

Method used

The device employs a dual-path swirl air supply system. Through the air inlet mechanism and swirl air supply unit, it uses swirl nozzles and conical tubes to form a swirling flow that accelerates the spraying of materials, ensuring uniform material distribution and preventing clumping.

Benefits of technology

It effectively disperses the sprayed material, improves the final setting strength, reduces rebound, enhances construction quality, and saves costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of material injection, in particular to a two-way rotational flow air adding injection device which comprises an air inlet mechanism, a rotational flow air adding device and a rotational flow nozzle, the rotational flow air adding device and the rotational flow nozzle are connected with the air inlet mechanism, and the air inlet mechanism comprises a conical pipe, a rotational flow air adding protective cover and an air inlet assembly arranged on the rotational flow air adding protective cover. One end of the conical pipe extends into the rotational flow air adding shield; the rotational flow air feeder comprises a connecting pipe and a rotational flow pipe connected with the connecting pipe, and the rotational flow pipe is inserted into the conical pipe; and the inner side wall of the swirl nozzle comprises a conical part and a flow guide part which are sequentially arranged from left to right. According to the utility model, the jet material can be effectively scattered and jet out in a rotational flow accelerating manner, so that the phenomenon that the jet material is clustered and accumulated is avoided, the material rebound is reduced, the final setting strength of the jet material is improved, the quality of the jet surface of the material is improved, and the cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to material injection technical field, concretely relates to a double -way spiral flow wind injection device. BACKGROUND

[0002] Material injection is through injection equipment and sprays material to construction surface, and concrete injection equipment is the way of high -speed injection and sprays concrete, mortar and other materials to wall surface, ground and reinforced concrete structure etc.

[0003] The material injection equipment needs to be added wind during the process of injecting material to ensure that the injected material is evenly distributed. The traditional injection equipment usually adopts single -way wind adding mode, but it cannot disperse the injected material well, and the injected material is easy to accumulate in a group, increase rebound, reduce the final strength of the injected material, reduce the construction quality of the injection surface, and even cannot meet the construction quality requirement, increase cost loss. SUMMARY

[0004] The utility model discloses to solve the problem that the material of the injection equipment of prior art cannot be effectively dispersed, and the material is easy to accumulate in a group, provide a double -way spiral flow wind adding device, which can effectively disperse the injected material, form spiral flow acceleration and spray, avoid the phenomenon that the injected material accumulates in a group, reduce material rebound, improve the final strength of the injected material, improve the quality of the material injection surface, and save cost.

[0005] In order to realize the above-mentioned purpose, the technical scheme of the utility model is: a double -way spiral flow wind injection device, including air inlet mechanism and with the air inlet mechanism Connection spiral flow wind adding machine and spiral flow spray head Air inlet mechanism includes conical pipe, spiral flow wind adding shroud and the air inlet assembly arranged on the spiral flow wind adding shroud, one end of the conical pipe extends to the inside of the spiral flow wind adding shroud. The air inlet assembly arranged on the spiral flow wind adding shroud improves the air volume, and the air inlet assembly conveyed by the spiral flow wind adding machine forms spiral flow acceleration and enters into the conical pipe, and the spiral flow wind adding machine also plays the role of wind adding to improve the air volume, thereby realizing the effect that the injected material is effectively dispersed.

[0006] The spiral flow wind adding machine includes connecting pipe and spiral flow pipe connected with the connecting pipe, and the spiral flow pipe is inserted into the conical pipe. The air conveyed by the air inlet assembly forms spiral flow acceleration and enters into the conical pipe through the action of the spiral flow pipe, plays the role of connecting external air pipe to play the role of wind adding.

[0007] The inner side wall of the spiral flow spray head includes conical part and flow guide part arranged in sequence from left to right, the flow guide part plays the role of flow guide to the wind entering into the spiral flow spray head, and the conical part plays the role of improving wind speed.

[0008] Further, the conical pipe, the cyclone air adding device and the cyclone nozzle are located on the same axis, which aims to facilitate the delivery and injection of the air.

[0009] Further, one end of the conical pipe is fixedly connected with the cyclone air adding device, and the other end is fixedly connected with a nozzle seat, the nozzle seat is provided with a ventilation hole corresponding to the conical pipe, the diameter of the conical pipe gradually increases from left to right, the nozzle seat serves to connect the cyclone nozzle, and the conical pipe serves to increase the air speed.

[0010] Further, the number of the air inlet assemblies is two, and the air inlet assemblies are symmetrically arranged on the cyclone air adding device, the air inlet assembly comprises an air inlet pipe and a pipe joint, the pipe joint is connected with the cyclone air adding device and the air inlet pipe, respectively, and a control ball valve is arranged at the connection between the air inlet pipe and the pipe joint, so that the air volume of the air inlet pipe can be controlled through the control ball valve.

[0011] Further, the end of the cyclone air adding device is fixedly provided with a connecting flange one, the connection between the connecting pipe and the cyclone pipe is fixedly provided with a connecting flange two, the connecting flange one is bolted with the connecting flange two, and a sealing gasket is arranged between the connecting flange one and the connecting flange two, so that the connection between the connecting flange one and the connecting flange two is air-tight, and the safety performance is improved.

[0012] Further, the cyclone pipe is in a conical structure and gradually increases in diameter from left to right; a plurality of round steels are rotationally and staggeredly arranged on the outer side wall of the cyclone pipe, the space between adjacent two round steels forms a cyclone air adding channel, the cyclone air adding channel is connected with the cyclone air adding device and the conical pipe, and the air entering the cyclone air adding device is accelerated into the conical pipe through the cyclone air adding channel formed by the plurality of round steels.

[0013] Further, the outer side wall of the cyclone nozzle is fixedly provided with a pressing plate, the pressing plate is bolted with the nozzle seat; the cyclone nozzle is inserted into the nozzle seat and corresponds to the ventilation hole, and the cyclone nozzle corresponds to the conical pipe through the cooperation of the pressing plate and the nozzle seat.

[0014] Further, a plurality of spiral guide grooves are arranged at intervals in the flow guide part, the height of the guide groove gradually decreases in a spiral manner and is tangent to the cyclone nozzle; the diameter of the conical part gradually increases from left to right, the air entering the cyclone nozzle is guided by the guide groove, so that the air is accelerated and sprayed out.

[0015] Through the above technical scheme, the beneficial effects of the utility model are as follows:

[0016] This invention has a reasonable structure and good performance. It can effectively disperse the sprayed material and form a swirling flow to accelerate the spraying, avoiding the phenomenon of the sprayed material clumping together, reducing material rebound, improving the final setting strength of the sprayed material, improving the quality of the sprayed surface, and saving costs.

[0017] This utility model's air intake mechanism delivers air to the vortex air-enhancing shroud through two air intake components, thereby increasing the amount of air ejected. Simultaneously, the vortex air-enhancing channel, made of round steel on the outer wall of the vortex tube of the vortex air-enhancing device, accelerates the vortex air entering the conical tube. Furthermore, the vortex air-enhancing device can also provide additional airflow, ensuring that the ejected air effectively disperses the ejected material.

[0018] The guide groove of the swirl nozzle guides the air entering the swirl nozzle, so as to accelerate the spraying of the swirling air. The conical part increases the wind speed of the sprayed air, and at the same time, the conical tube increases the wind speed of the air delivered to the swirl nozzle, so as to achieve the effect of accelerating the spraying of the swirling air and ensuring that the sprayed material is dispersed. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a dual-path swirl air-jet device according to this utility model;

[0020] Figure 2 This is a schematic diagram of the air intake mechanism of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the cyclone air supply device of this utility model. Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the structure of the cyclone air supply device of this utility model. Figure 2 .

[0023] The attached diagram is labeled as follows: 1 is the swirl fan cover, 2 is the first connecting flange, 3 is the conical pipe, 4 is the nozzle seat, 5 is the air inlet pipe, 6 is the control ball valve, 7 is the pipe joint, 8 is the swirl fan, 801 is the connecting pipe, 802 is the swirl pipe, 9 is the second connecting flange, 10 is the round steel, 11 is the swirl fan channel, 12 is the swirl nozzle, 13 is the conical part, 14 is the guide part, 15 is the guide groove, and 16 is the pressure plate. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0025] like Figures 1-4As shown, a double-path cyclone air injection device includes an air inlet mechanism and a cyclone air injector 8 and a cyclone nozzle 12 connected with the air inlet mechanism, the air inlet mechanism includes a conical pipe 3, a cyclone air injection shroud 1 and an air inlet assembly arranged on the cyclone air injection shroud 1, one end of the conical pipe 3 extends to the inside of the cyclone air injection shroud 1. In this embodiment, the number of air inlet assemblies of the air inlet mechanism is two, and the cyclone air injector 8 and the cyclone nozzle 12 are respectively located at both ends of the air inlet mechanism, wherein the cyclone air injector 8 is located between the two air inlet assemblies, the air volume of the injected air is increased through the two air inlet assemblies, and the air entering the cyclone air injection shroud 1 through the air inlet assembly can form a cyclone to accelerate into the conical pipe 3 through the cyclone air injector 8, and the cyclone air injector 8 can also be connected with an external air pipe to increase the air volume of the injected air; at the same time, the conical pipe 3 not only plays a connecting role of the cyclone nozzle 12, but also can increase the air speed.

[0026] The cyclone air injector 8 includes a connecting pipe 801 and a cyclone pipe 802 connected with the connecting pipe 801, and the cyclone pipe 802 is inserted into the conical pipe 3. In this embodiment, the connecting pipe 801 and the cyclone pipe 802 are integrally formed, the right end of the connecting pipe 801 can be connected with an external air pipe through a pipe joint to supplement air to the conical pipe 3, increase the air volume of the injected air, and ensure that the sprayed material is effectively dispersed to avoid the phenomenon of the sprayed material being accumulated in a lump; wherein the outer side of the cyclone pipe 802 is in a conical structure and matches the conical pipe 3, the included angle between the outer side of the cyclone pipe 802 and its axis is 8-11 degrees, and the included angle between the conical pipe 3 and its axis is also 8-11 degrees.

[0027] The inner wall of the cyclone nozzle 12 includes a conical part 13 and a flow guide part 14 arranged in sequence from left to right. In this embodiment, the cyclone nozzle 12 corresponds to the conical pipe 3, the conical part 13 is located at one end of the cyclone nozzle 12 away from the conical pipe 3, the flow guide part 14 plays a role of guiding the air entering the cyclone nozzle 12 to facilitate the cyclone and acceleration of the air, and the conical part 13 can increase the air speed.

[0028] The conical pipe 3, the cyclone air injector 8 and the cyclone nozzle 12 are located on the same axis line, which is convenient for air transportation and injection.

[0029] The one end of the conical pipe 3 is fixedly connected with the cyclone air adding shroud 1, and the other end is fixedly connected with a nozzle seat 4, the nozzle seat 4 is provided with a ventilation hole corresponding to the conical pipe 3, and the diameter of the conical pipe 3 gradually increases from left to right. In the embodiment, the one end of the conical pipe 3 with a larger diameter extends into the cyclone air adding shroud 1, and the purpose of gradually increasing the diameter from left to right is to increase the cyclone air speed and facilitate the cyclone pipe 802 of the cyclone air adding device 8 to extend into the conical pipe 3. The nozzle seat 4 serves to connect the cyclone nozzle 12, and the nozzle seat 4 is a cover body structure, and the ventilation hole is used to facilitate the cyclone air in the conical pipe 3 to enter the cyclone nozzle 12.

[0030] The number of the air inlet assemblies is two, and the air inlet assemblies are symmetrically arranged on the cyclone air adding shroud 1. The air inlet assembly comprises an air inlet pipe 5 and a pipe joint 7, the two ends of the pipe joint 7 are respectively connected with the cyclone air adding shroud 1 and the air inlet pipe 5, and the connection between the air inlet pipe 5 and the pipe joint 7 is provided with a control ball valve 6. In the embodiment, the two air inlet assemblies realize the effect of double-path air inlet, increase the air volume of the ejected air, the pipe joint 7 is in an "L" shape structure, and the air inlet amount of the air inlet pipe 5 can be controlled through the control of the control ball valve 6; the air inlet pipe 5 can be connected with an external air pipe, and compressed air generated by an air compressor is delivered to the air inlet pipe 5.

[0031] The end of the cyclone air adding shroud 1 is fixedly provided with a connecting flange one 2, the connection between the connecting pipe 801 and the cyclone pipe 802 is fixedly provided with a connecting flange two 9, the connecting flange one 2 is bolted with the connecting flange two 9, and a sealing gasket is arranged between the connecting flange one 2 and the connecting flange two 9. In the embodiment, the connecting flange one 2 and the connecting flange two 9 are matched to realize the purpose of installing the cyclone air adding device 8 on the cyclone air adding shroud 1, and the cyclone pipe 802 extends into the conical pipe 3 to form a cyclone and accelerate the compressed air; the connection between the connecting flange one 2 and the connecting flange two 9 is sealed through the sealing gasket to avoid leakage of the compressed air.

[0032] The cyclone pipe 802 is in a conical structure and gradually increases in diameter from left to right; a plurality of round steels 10 are rotationally and staggeredly arranged on the outer side wall of the cyclone pipe 802, the space between adjacent two round steels 10 forms a cyclone air adding channel 11, and the cyclone air adding channel 11 is connected with the cyclone air adding shroud 1 and the conical pipe 3. In the embodiment, the cyclone pipe 802 is in a conical structure to avoid the cyclone pipe 802 extending into the conical pipe 3, eight round steels 10 with a diameter of φ5 are welded and fixed on the outer side wall of the cyclone pipe 802, the round steels 10 are rotated at a certain angle on the outer side wall of the cyclone pipe 802, the compressed air entering into the cyclone air adding shroud 1 can enter into the conical pipe 3 through the cyclone air adding channel 11, and the compressed air forms a cyclone and accelerates in the cyclone air adding channel 11.

[0033] The outer side wall of the cyclone nozzle 12 is fixedly provided with a pressing plate 16, and the pressing plate 16 is bolted with the nozzle seat 4; the cyclone nozzle 12 is inserted into the nozzle seat 4, and the ventilation hole corresponds. In the embodiment, the cyclone nozzle 12 corresponds to the ventilation hole on the nozzle seat 4 through the cooperation of the pressing plate 16 and the nozzle seat 4, so that the air enters into the cyclone nozzle 12 through the ventilation hole, and is sprayed out by the cyclone nozzle 12.

[0034] The flow guide part 14 is arranged with a plurality of spiral flow guide grooves 15, the height of the flow guide groove 15 gradually decreases in spiral, and is tangent to the cyclone nozzle 12; the diameter of the conical part 13 gradually increases from left to right. In the embodiment, the number of the flow guide grooves 15 of the flow guide part 12 is three, the flow guide grooves 15 play a role of guiding flow to the cyclone entering into the cyclone nozzle 12, so that the cyclone is sprayed out through the cyclone nozzle 12; the purpose of gradually increasing the diameter of the conical part 13 from left to right is to improve the wind speed.

[0035] The working principle of the utility model is as follows: when the spraying equipment sprays materials, the air inlet pipe 5 of the two air inlet assemblies is connected with the air outlet end of the air compressor through a pipeline, and the connecting pipe 801 is connected with the external pipeline through a pipeline joint and is connected with the air outlet end of the air compressor, wherein the control ball valve 6 can also be installed on the external pipeline.

[0036] The control ball valve 6 on the air compressor and the air inlet pipe 5 is opened, the air compressor generates compressed air, and the compressed air enters into the cyclone air adding shroud 1 through the air inlet pipe 5 of the two air inlet assemblies, then the compressed air enters into the conical pipe 3 through the cyclone air adding channel 11, the compressed air forms a cyclone in the cyclone air adding channel 11 and accelerates, then the air forming a cyclone enters into the cyclone nozzle 12 through the conical pipe 3 and the ventilation hole, the air forming a cyclone is transported and accelerated by the conical pipe 3; then the air forming a cyclone is guided by the flow guide groove 16 at the flow guide part 14 in the cyclone nozzle 12, then is sprayed out after passing through the conical part 13 again, the conical part 13 accelerates the air forming a cyclone again, which can effectively scatter the materials sprayed by the spraying equipment, so as to avoid the phenomenon that the sprayed materials are accumulated in groups.

[0037] When the cyclone air adding device 8 needs to add air, the control ball valve 6 on the external pipeline connected with the connecting pipe 901 can be opened, the compressed air can directly enter into the conical pipe 3 through the cyclone air adding device 8, then follows the cyclone to enter into the cyclone nozzle 12 and is sprayed out by the cyclone nozzle 12. The two air inlet assemblies can separately transport air to the conical pipe 3, or the two air inlet assemblies and the cyclone air adding device 8 can simultaneously transport air to the conical pipe 3.

[0038] The above-described embodiments are only preferred embodiments of the utility model, and are not intended to limit the utility model implementation scope, so equivalent changes or modifications made according to the technical solutions described in the utility model patent scope should be included in the utility model application patent scope.

Claims

1. A two-pass cyclone air injection device, characterized by, The air inlet mechanism comprises a conical pipe (3), a rotational flow air adding shroud (1), and an air inlet assembly arranged on the rotational flow air adding shroud (1), one end of the conical pipe (3) extends to the inside of the rotational flow air adding shroud (1); The rotational flow air adding device (8) comprises a connecting pipe (801) and a rotational flow pipe (802) connected with the connecting pipe (801), and the rotational flow pipe (802) is inserted into the conical pipe (3); The inner side wall of the rotational flow nozzle (12) comprises a conical part (13) and a flow guide part (14) arranged in sequence from left to right.

2. A dual flow cyclone air injection device according to claim 1, wherein, The conical pipe (3), the rotational flow air adding device (8), and the rotational flow nozzle (12) are located on the same axis.

3. A two-pass cyclone air injection device according to claim 2, wherein, One end of the conical pipe (3) is fixedly connected with the rotational flow air adding shroud (1), and the other end is fixedly connected with a nozzle seat (4), the nozzle seat (4) is provided with a ventilation hole corresponding to the conical pipe (3), and the diameter of the conical pipe (3) gradually increases from left to right.

4. The dual-pass, swirl-and-air-injection device of claim 1, wherein, The number of the air inlet assembly is two, and the air inlet assembly is symmetrically arranged on the rotational flow air adding shroud (1), the air inlet assembly comprises an air inlet pipe (5) and a pipe joint (7), the two ends of the pipe joint (7) are respectively connected with the rotational flow air adding shroud (1) and the air inlet pipe (5), and the connecting part of the air inlet pipe (5) and the pipe joint (7) is provided with a control ball valve (6).

5. A two-pass cyclone air injection device according to claim 4, wherein, The end of the rotational flow air adding shroud (1) is fixedly provided with a connecting flange one (2), the connecting part of the connecting pipe (801) and the rotational flow pipe (802) is fixedly provided with a connecting flange two (9), the connecting flange one (2) and the connecting flange two (9) are bolted, and the connecting flange one (2) and the connecting flange two (9) are provided with a sealing gasket.

6. A dual path cyclone air injection device according to claim 1, wherein, The rotational flow pipe (802) is in a conical structure, and the diameter gradually increases from left to right; a plurality of round steels (10) are rotationally and staggeredly arranged on the outer side wall of the rotational flow pipe (802), the space between adjacent two round steels (10) forms a rotational flow air adding channel (11), and the rotational flow air adding channel (11) is connected with the rotational flow air adding shroud (1) and the conical pipe (3).

7. A dual-path cyclone air injection device according to claim 3, wherein The outer side wall of the rotational flow nozzle (12) is fixedly provided with a pressing plate (16), the pressing plate (16) is bolted with the nozzle seat (4); the rotational flow nozzle (12) is inserted into the nozzle seat (4), and the ventilation hole corresponds.

8. A two-pass cyclone air injection device according to claim 7, wherein, The flow guide part (14) is provided with a plurality of helical flow guide grooves (15) at intervals, the height of the flow guide groove (15) gradually decreases in a helical manner, and the rotational flow nozzle (12) is tangent to the flow guide groove (15); and the diameter of the conical part (13) gradually increases from left to right.