阅读说明：本技术 一种适用于各种工况的高聚物注射装置 (High polymer injection device suitable for various operating modes ) 是由 王圣程 姜慧 黄兰英 殷惠光 禄利刚 张朕 宋雪娟 刘晴 张洁 宋雷 于 2020-03-24 设计创作，主要内容包括：本发明公开了一种适用于各种工况的高聚物注射装置,包括液氮快速气化装置、A料存储罐、B料存储罐、混合管、混合器、第一脚踏式补气装置和第二脚踏式补气装置,在有动力气源的工况下,通过外界气源连接口连接动力气源,实现高聚物注射的正常工作；当无动力气源时,通过液氮在液氮快速气化装置内气化提供高压气源,当液氮气化的气源不足,采用第一脚踏式补气装置确保高聚物注射所需要的气压。另外由于A料和B料黏度会存在差异,在相同气压下两者流动速度不同,故通过第二脚踏式补气装置对两者中流动速度小的料进行补压,确保A料与B料流动速度相同,满足形成高聚物1：1的体积配比。从而适用于各种工况的高聚物注射,具有广泛的实用性。(The invention discloses a high polymer injection device suitable for various working conditions, which comprises a liquid nitrogen rapid gasification device, a material A storage tank, a material B storage tank, a mixing pipe, a mixer, a first pedal type air supplement device and a second pedal type air supplement device, wherein under the working condition with a power air source, the power air source is connected through an external air source connector to realize the normal work of high polymer injection; when the air source of the liquid nitrogen is insufficient, the first pedal type air supply device is adopted to ensure the air pressure required by high polymer injection. In addition because A material and B material viscosity can have the difference, and both flow velocity are different under same atmospheric pressure, so carry out the pressure compensation to the material that flow velocity is little in both through the foot-operated air supplement unit of second, ensure that A material and B material flow velocity are the same, satisfy and form high polymer 1:1 in volume ratio. Therefore, the injection device is suitable for high polymer injection under various working conditions and has wide practicability.)

1. A high polymer injection device suitable for various working conditions is characterized by comprising a liquid nitrogen rapid gasification device, a material A storage tank, a material B storage tank, a mixing pipe, a mixer, a first pedal type air supply device and a second pedal type air supply device,

the material storage tank A and the material storage tank B are fixed at the lower part of the liquid nitrogen rapid gasification device, and the material storage tank A and the material storage tank B are identical in structure and are arranged in a mirror symmetry mode; a material A filling opening is formed in the side portion of the material A storage tank, a material B filling opening is formed in the side portion of the material B storage tank, a discharging opening of the material A storage tank and a discharging opening of the material B storage tank are both connected with a feeding opening of a mixing pipe, and a mixer is arranged in the mixing pipe; the liquid nitrogen quick gasification device is provided with a liquid nitrogen filling opening, an external air source connecting opening and a pressure gauge, the liquid nitrogen quick gasification device is communicated with the material storage tank A through a first gas-liquid connecting pipe, the liquid nitrogen quick gasification device is communicated with the material storage tank B through a second gas-liquid connecting pipe, the first pedal type air supply device is communicated with the liquid nitrogen quick gasification device through a first air supply pipe, the second pedal type air supply device is communicated with one port of a three-way valve through a second air supply pipe, and the other two ports of the three-way valve are respectively communicated with the material storage tank A and the material storage tank B through a first branch pipe and a second branch; the material A storage tank and the material B storage tank are both made of transparent materials;

the liquid nitrogen filling opening is provided with a first control valve, the external air source connecting opening is provided with a second control valve, the first gas-liquid connecting pipe is provided with a third control valve, the second gas-liquid connecting pipe is provided with a fourth control valve, the material A filling opening is provided with a fifth control valve, the material B filling opening is provided with a sixth control valve, the material A storage tank is provided with a seventh control valve at the material outlet, the material B storage tank is provided with an eighth control valve at the material outlet, the first air supplementing pipe is provided with a ninth control valve, the first branch pipe is provided with a tenth control valve, and the second branch pipe is provided with an eleventh control valve.

2. The high polymer injection device according to claim 1, wherein a first check valve is installed on the first gas-liquid connecting pipe, an inlet of the first check valve is communicated with the liquid nitrogen rapid gasification device, a second check valve is installed on the second gas-liquid connecting pipe, an inlet of the second check valve is communicated with the liquid nitrogen rapid gasification device, a third check valve is installed on the first air supply pipe, an inlet of the third check valve is communicated with the first pedal type air supply device, a fourth check valve is installed on the first branch pipe, an inlet of the fourth check valve is communicated with the second pedal type air supply device, a fifth check valve is installed on the second branch pipe, and an inlet of the fifth check valve is communicated with the second pedal type air supply device.

3. The polymer injection apparatus of claim 1, wherein the tenth control valve and the eleventh control valve are proportional control valves.

Technical Field

The invention relates to a high polymer injection device, in particular to a high polymer injection device suitable for various working conditions.

Background

At present, the high polymer injection technology is widely applied to the technical fields of reinforcement, seepage prevention, spraying, hole sealing and the like of basic facilities such as mines, water conservancy, traffic, environmental protection, buildings and the like. In mines in the mining field, the main power of polymer injection is the downhole compressed air system. In the fields of water conservancy, traffic, environmental protection and buildings, the main power of high polymer injection is an air compressor. Therefore, the high polymer injection can be normally used only by driving an air compressor or an air compression system, so that the high polymer injection cannot be applied to a working place without an air system or an air compressor, and the application range of the high polymer injection technology is severely limited.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the high polymer injection device suitable for various working conditions, which can be suitable for the working conditions of a compressed air system or an air compressor and also can be suitable for the working conditions of a non-compressed air system or an air compressor, thereby increasing the application range of the high polymer injection technology.

In order to achieve the purpose, the invention adopts the technical scheme that: a high polymer injection device suitable for various working conditions comprises a liquid nitrogen rapid gasification device, a material A storage tank, a material B storage tank, a mixing pipe, a mixer, a first pedal type air supply device and a second pedal type air supply device,

the material storage tank A and the material storage tank B are fixed at the lower part of the liquid nitrogen rapid gasification device, and the material storage tank A and the material storage tank B are identical in structure and are arranged in a mirror symmetry mode; a material A filling opening is formed in the side portion of the material A storage tank, a material B filling opening is formed in the side portion of the material B storage tank, a discharging opening of the material A storage tank and a discharging opening of the material B storage tank are both connected with a feeding opening of a mixing pipe, and a mixer is arranged in the mixing pipe; the liquid nitrogen quick gasification device is provided with a liquid nitrogen filling opening, an external air source connecting opening and a pressure gauge, the liquid nitrogen quick gasification device is communicated with the material storage tank A through a first gas-liquid connecting pipe, the liquid nitrogen quick gasification device is communicated with the material storage tank B through a second gas-liquid connecting pipe, the first pedal type air supply device is communicated with the liquid nitrogen quick gasification device through a first air supply pipe, the second pedal type air supply device is communicated with one port of a three-way valve through a second air supply pipe, and the other two ports of the three-way valve are respectively communicated with the material storage tank A and the material storage tank B through a first branch pipe and a second branch; the material A storage tank and the material B storage tank are both made of transparent materials;

the liquid nitrogen filling opening is provided with a first control valve, the external air source connecting opening is provided with a second control valve, the first gas-liquid connecting pipe is provided with a third control valve, the second gas-liquid connecting pipe is provided with a fourth control valve, the material A filling opening is provided with a fifth control valve, the material B filling opening is provided with a sixth control valve, the material A storage tank is provided with a seventh control valve at the material outlet, the material B storage tank is provided with an eighth control valve at the material outlet, the first air supplementing pipe is provided with a ninth control valve, the first branch pipe is provided with a tenth control valve, and the second branch pipe is provided with an eleventh control valve.

Further, a first check valve is arranged on the first gas-liquid connecting pipe, an inlet of the first check valve is communicated with the liquid nitrogen rapid gasification device, a second check valve is arranged on the second gas-liquid connecting pipe, an inlet of the second check valve is communicated with the liquid nitrogen rapid gasification device, a third check valve is arranged on the first air supplementing pipe, an inlet of the third check valve is communicated with the first pedal type air supplementing device, a fourth check valve is arranged on the first branch pipe, an inlet of the fourth check valve is communicated with the second pedal type air supplementing device, a fifth check valve is arranged on the second branch pipe, and an inlet of the fifth check valve is communicated with the second pedal type air supplementing device. A plurality of check valves are additionally arranged, so that gas in each pipeline can move in a single direction, and the gas is prevented from reversely influencing the normal operation of injecting high polymers.

Preferably, the tenth control valve and the eleventh control valve are both proportional control valves. Set up proportional control valve, can adjust aperture between them respectively to the quantity of gas that gets into A material storage jar and B material storage jar is controlled respectively to the during operation of the foot-operated air supplement unit of second, finally makes A material follow A material storage jar ejection of compact speed and B material and follow B material storage jar ejection of compact speed unanimously, thereby satisfies A material: material B is 1:1 to form high polymer, thereby ensuring the quality of the high polymer.

Compared with the prior art, the invention adopts a mode of combining the liquid nitrogen rapid gasification device, the material A storage tank, the material B storage tank, the mixing pipe, the mixer, the first pedal type air supplement device and the second pedal type air supplement device, and under the working condition of a compressed air system or an air compressor, the liquid nitrogen rapid gasification device is connected with the compressed air system or the air compressor through an external air source connector, so that the normal work of high polymer injection is realized; when the non-pressure air system or the air compressor can not work, a certain amount of liquid nitrogen is added through the liquid nitrogen injection port, a high-pressure air source is provided through the gasification of the liquid nitrogen in the liquid nitrogen rapid gasification device, when the liquid nitrogen is completely gasified and the injection of the high polymer is not completed, the nitrogen air source is insufficient, and the first pedal type air supply device is adopted to ensure the air pressure required by the injection of the high polymer at the moment. In addition, due to the fact that the viscosity of the material A and the viscosity of the material B forming the high polymer are different, the flowing speeds of the material A and the material B are different under the action of the same air pressure, the quantity of the material A and the material B continuously entering a mixing pipe cannot meet the volume ratio of 1:1, and therefore the material with the small flowing speed in the material A and the material B is subjected to pressure supplementing through a second foot-operated air supplementing device, the flowing speeds of the material A and the material B are ensured to be the same, and the high polymer 1:1, and uniformly stirring the material A and the material B under the action of a mixer. Therefore, the invention is suitable for high polymer injection under various working conditions and has wide practicability.

Drawings

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

In the figure: 1. a liquid nitrogen injection port; 2. a first control valve; 3. an external air source connector; 4. a second control valve; 5. a pressure gauge; 6. a liquid nitrogen rapid gasification device; 7. a third control valve; 8. a first gas-liquid connecting pipe; 9. a first check valve; 10. a fourth control valve; 11. a second gas-liquid connecting pipe; 12. a second check valve; 13. a material A injection port; 14. a fifth control valve; 15. a material B injection port; 16. a sixth control valve; 17. a, storing a material tank; 18. b, storing the material in a tank; 19. a seventh control valve; 20. an eighth control valve; 21. a mixing tube; 22. a mixer; 23. a first foot-operated air supplement device; 24. a first air supplement pipe; 25. a ninth control valve; 26. a third check valve; 27. a second foot-operated air supplement device; 28. a second air supplement pipe; 29. a three-way valve; 30. a first branch pipe; 31. a tenth control valve; 32. a fourth check valve; 33. a second branch pipe; 34. an eleventh control valve; 35. and a fifth check valve.

Detailed Description

The present invention will be further explained below.

As shown in figure 1, the invention comprises a liquid nitrogen rapid gasification device 6, a material A storage tank 17, a material B storage tank 18, a mixing pipe 21, a mixer 22, a first pedal type air supply device 23 and a second pedal type air supply device 27,

the material A storage tank 17 and the material B storage tank 18 are fixed at the lower part of the liquid nitrogen rapid gasification device 6, and the material A storage tank 17 and the material B storage tank 18 have the same structure and are arranged in a mirror symmetry mode; a material A filling port 13 is formed in the side of the material A storage tank 17, a material B filling port 15 is formed in the side of the material B storage tank 18, a discharging port of the material A storage tank 17 and a discharging port of the material B storage tank 18 are both connected with a feeding port of a mixing pipe 21, and a mixer 22 is arranged in the mixing pipe 21; a liquid nitrogen filling port 1, an external air source connecting port 3 and a pressure gauge 5 are arranged on the liquid nitrogen rapid gasification device 6, the liquid nitrogen rapid gasification device 6 is communicated with a material A storage tank 17 through a first gas-liquid connecting pipe 8, the liquid nitrogen rapid gasification device 6 is communicated with a material B storage tank 18 through a second gas-liquid connecting pipe 11, a first pedal type gas supplementing device 23 is communicated with the liquid nitrogen rapid gasification device 6 through a first gas supplementing pipe 24, a second pedal type gas supplementing device 27 is communicated with one port of a three-way valve 29 through a second gas supplementing pipe 28, and the other two ports of the three-way valve 29 are respectively communicated with the material A storage tank 17 and the material B storage tank 18 through a first branch pipe 30 and a second branch; the material A storage tank 17 and the material B storage tank 18 are both made of transparent materials;

the liquid nitrogen filling port 1 is provided with a first control valve 2, the external air source connecting port 3 is provided with a second control valve 4, the first gas-liquid connecting pipe 8 is provided with a third control valve 7, the second gas-liquid connecting pipe 11 is provided with a fourth control valve 10, the material A filling port 13 is provided with a fifth control valve 14, the material B filling port 15 is provided with a sixth control valve 16, the material A storage tank 17 is provided with a seventh control valve 19 at the material outlet, the material B storage tank 18 is provided with an eighth control valve 20 at the material outlet, the first air supplement pipe 24 is provided with a ninth control valve 25, the first branch pipe 30 is provided with a tenth control valve 31, and the second branch pipe 33 is provided with an eleventh control valve 34.

The liquid nitrogen rapid gasification device 6, the mixing pipe 21, the mixer 22, the first pedal type air supplement device 23 and the second pedal type air supplement device 27 are all of the existing structure.

Further, a first check valve 9 is installed on the first gas-liquid connecting pipe 8, an inlet of the first check valve 9 is communicated with the liquid nitrogen rapid gasification device 6, a second check valve 12 is installed on the second gas-liquid connecting pipe 11, an inlet of the second check valve 12 is communicated with the liquid nitrogen rapid gasification device 6, a third check valve 26 is installed on the first air supply pipe 24, an inlet of the third check valve 26 is communicated with the first pedal type air supply device 23, a fourth check valve 32 is installed on the first branch pipe 30, an inlet of the fourth check valve 32 is communicated with the second pedal type air supply device 23, a fifth check valve 35 is installed on the second branch pipe 33, and an inlet of the fifth check valve 35 is communicated with the second pedal type air supply device 27. A plurality of check valves are additionally arranged, so that gas in each pipeline can move in a single direction, and the gas is prevented from reversely influencing the normal operation of injecting high polymers.

Preferably, the tenth control valve 31 and the eleventh control valve 34 are both proportional control valves. Set up proportional control valve, can adjust aperture between them respectively to the quantity of gas that gets into A material storage jar 17 and B material storage jar 18 is controlled respectively to 27 during operations of the foot-operated air supplement unit of second, finally makes A material unanimous from B material storage jar ejection of compact speed from A material storage jar ejection of compact speed and B material, thereby satisfies A material: material B is 1:1 to form high polymer, thereby ensuring the quality of the high polymer.

The working process of the invention is as follows: firstly, determining two known materials which are mixed to form the required high polymer, and then respectively determining the two materials as a material A and a material B;

then determining the working condition:

if the working condition is that the air compressor or the air compressor is available, the output end of the air compressor or the air compressor is hermetically connected with the external air source connecting port 3, the fifth control valve 14 and the sixth control valve 16 are opened, a certain amount of the material A and the material B are respectively injected into the material A storage tank 17 and the material B storage tank 18 from the material A injection port 13 and the material B injection port 15, and the fifth control valve 14 and the sixth control valve 16 are closed after the completion; opening a second control valve 4 and a compressed air system or an air compressor, enabling high-pressure gas to enter a liquid nitrogen rapid gasification device 6, observing the internal pressure of the liquid nitrogen rapid gasification device through a pressure gauge 5, opening a third control valve 7, a fourth control valve 10, a seventh control valve 19, an eighth control valve 20 and an opening mixer 22 when the internal pressure reaches a set pressure value, enabling the high-pressure gas to enter an A material storage tank 17 and a B material storage tank 18 through a first gas-liquid connecting pipe 8 and a second gas-liquid connecting pipe 11 respectively, simultaneously pushing an A material in the A material storage tank 17 to move towards a discharge port and pushing a B material in the B material storage tank 18 to move towards the discharge port, enabling the A material and the B material to enter a mixing pipe 21, mixing the A material and the B material in the mixing pipe 21 through the mixer 22, and due to the difference of viscosity of the A material and the B material, the difference of the flow speed of the A material and the B material under the same air pressure, causing that the quantity of the A material and the B material continuously entering the, at this time, the second foot-operated air supplement device 27 is started to operate:

if the material flow rate of the material A is greater than that of the material flow rate of the material B, opening an eleventh control valve 34, enabling the airflow generated by the second foot-operated air supply device 23 to enter the material B storage tank 18 through a second branch pipe 33, observing the flow conditions of the material A in the material A storage tank 17 and the material B in the material B storage tank 18, adjusting the opening degree of the eleventh control valve 34 until the flow rates of the material A and the material B are the same, and keeping the current opening degree of the eleventh control valve 34, so that the continuous feeding of the material A and the material B into the mixing pipe 21 is realized, and the volume ratio of the material A to the material B is 1;

if the material flow rate of the material A is greater than that of the material A, opening a tenth control valve 31, enabling the airflow generated by the second foot-operated air supply device 27 to enter the material A storage tank 17 through the first branch pipe 30, observing the flow conditions of the material A in the material A storage tank 17 and the material B in the material B storage tank 18, adjusting the opening of the tenth control valve 31 until the flow speeds of the material A and the material B are the same, and keeping the current opening of the tenth control valve 31, so that the continuous feeding amount of the material A and the material B into the mixing pipe 21 meets the volume ratio of 1: 1;

the two are uniformly stirred in the mixing tube 21 by the action of the mixer 22 to form the required high polymer, and finally the high polymer is injected to the required place from the discharge hole of the mixing tube 21. .

If the working condition is that an air system or an air compressor is not pressurized, the fifth control valve 14 and the sixth control valve 16 are opened firstly, a certain amount of material A and a certain amount of material B are respectively injected into the material A storage tank 17 and the material B storage tank 18 from the material A injection port 13 and the material B injection port 15, and the fifth control valve 14 and the sixth control valve 16 are closed after the materials are injected; then the first control valve 2 is opened, a certain amount of liquid nitrogen is injected into the liquid nitrogen rapid gasification device 6 from the liquid nitrogen injection port 1, then the first control valve 2 is closed, the liquid nitrogen is gasified in the liquid nitrogen rapid gasification device 6, the pressure change in the liquid nitrogen rapid gasification device is observed through the pressure gauge 5, when the set pressure value is reached, the third control valve 7, the fourth control valve 10, the seventh control valve 19, the eighth control valve 20 and the opening mixer 22 are opened, high-pressure nitrogen enters the material A storage tank 17 and the material B storage tank 18 through the first gas-liquid connecting pipe 8 and the second gas-liquid connecting pipe 11 respectively, the material A in the material A storage tank 17 is pushed to move towards the discharge port, the material B in the material B storage tank 18 is pushed to move towards the discharge port, the material A and the material B enter the mixing pipe 21, the material A and the material B are mixed in the mixing pipe 21 by the mixer 22, and because the viscosity of the material A and, under the action of the same air pressure, the flow speeds of the material A and the material B are different, so that the quantity of the material A and the material B continuously entering the mixing pipe 21 cannot meet the volume ratio of 1:1, and at the moment, the second foot-operated air supply device 27 starts to work;

if the material flow rate of the material A is greater than that of the material flow rate of the material B, opening an eleventh control valve 34, enabling the airflow generated by the second foot-operated air supply device 23 to enter the material B storage tank 18 through a second branch pipe 33, observing the flow conditions of the material A in the material A storage tank 17 and the material B in the material B storage tank 18, adjusting the opening degree of the eleventh control valve 34 until the flow rates of the material A and the material B are the same, and keeping the current opening degree of the eleventh control valve 34, so that the continuous feeding of the material A and the material B into the mixing pipe 21 is realized, and the volume ratio of the material A to the material B is 1;

if the material flow rate of the material A is greater than that of the material A, opening a tenth control valve 31, enabling the airflow generated by the second foot-operated air supply device 27 to enter the material A storage tank 17 through the first branch pipe 30, observing the flow conditions of the material A in the material A storage tank 17 and the material B in the material B storage tank 18, adjusting the opening of the tenth control valve 31 until the flow speeds of the material A and the material B are the same, and keeping the current opening of the tenth control valve 31, so that the continuous feeding amount of the material A and the material B into the mixing pipe 21 meets the volume ratio of 1: 1;

the two are uniformly stirred in the mixing tube 21 by the action of the mixer 22 to form the required high polymer, and finally the high polymer is injected to the required place from the discharge hole of the mixing tube 21. In the process of injecting the high polymer, if the pressure value monitored by the pressure gauge 5 is lower than the set value, it is indicated that the liquid nitrogen is gasified and the pressure formed by the nitrogen gas in the liquid nitrogen is insufficient, the first pedal type gas supplementing device 23 is started to work, meanwhile, the ninth control valve 25 is opened, the airflow generated by the first pedal type gas supplementing device 23 enters the liquid nitrogen fast gasification device 6 through the first gas supplementing pipe 24, the internal air pressure of the first pedal type gas supplementing device 23 is increased to reach the set air pressure value and is kept until the injection of the high polymer is completed.