Negative pressure siphon automatic water taking device

Abstract

The utility model discloses a kind of negative pressure siphon type automatic water taking device, comprising: external bottle, water storage bottle, cooling copper pipe, liquid supplementing copper pipe, siphon, thermocouple, pressure detection device and monitoring control box.The inside of external bottle is divided into cooling bin and cooling liquid bin two parts by heat insulation mat layer, cooling bin is above cooling liquid bin;Water storage bottle is located in the cooling bin above the heat insulation mat layer inside external bottle, and water storage bottle mouth is threadedly connected with bottle cap;Siphon is communicated with water storage bottle inside by passing through bottle cap, and siphon is provided with siphon fluid;Cooling copper pipe is serpentine wound outside water storage bottle, and one end of cooling copper pipe is connected with cooling liquid bin, and the other end is connected with miniature pressure regulating valve by T-shaped interface;Liquid supplementing copper pipe is arranged in parallel with cooling copper pipe, and one end of liquid supplementing copper pipe is connected with cooling liquid bin, and the other end is connected with liquid adding valve.The utility model can collect groundwater in hidden part outside tunnel under the premise of minimum damage to concrete structure.

Description

Technical Field

[0001] This utility model belongs to the field of tunnel external water intake technology, specifically relating to a negative pressure siphon automatic water intake device. Background Technology

[0002] Saline-alkali land is widely distributed in Northwest my country. Various sulfates are usually dissolved in the soil and groundwater. When sulfates come into contact with concrete, they can enter the concrete through the aqueous solution and react with the concrete materials to generate expansive erosion products such as gypsum and ettringite, which ultimately lead to the failure of the concrete structure.

[0003] Given the widespread distribution of saline-alkali land, groundwater tends to accumulate in the weak connection between the tunnel and the surrounding rock in the hydraulic concrete structures of Northwest China, especially buried structures such as hydraulic tunnels. Over time, the accumulation of corrosive sulfate ions causes accelerated erosion and damage to the concrete structure from the outside in.

[0004] Determining the sulfate content in the water outside the tunnel is essential for concrete durability design. Due to the adsorption of sulfate by concrete, the sulfate content in the water inside the hydraulic tunnel will differ significantly from that outside the tunnel, necessitating specific sampling of the water outside the tunnel.

[0005] However, traditional water collection bottles or collectors are usually ineffective at collecting groundwater outside tunnels, especially when the groundwater level is low. The time required to collect enough samples for testing is also long. Solving the problem of quickly and effectively collecting groundwater outside tunnels is essential for quality inspection and design. Utility Model Content

[0006] To address the aforementioned problems, embodiments of this utility model propose a negative pressure siphon-type automatic water extraction device.

[0007] The present invention relates to a negative pressure siphon automatic water collection device, comprising: an outer bottle body, the interior of which is divided into a cooling chamber and a coolant chamber by a heat insulation layer. The cooling chamber is the main structure for collecting groundwater, and the coolant chamber is mainly used to store coolant, cool the cooling chamber and provide a negative pressure environment. The system includes: a cooling chamber above the coolant tank; a water storage bottle located within the cooling chamber above the internal insulation layer of the outer bottle body, with its top sealed to the top of the outer bottle body and its opening threaded to the cap; a cooling copper tube wound in a serpentine pattern around the outside of the water storage bottle, with one end connected to the coolant tank and the other end connected to a miniature pressure regulating valve via a T-connector; a replenishment copper tube parallel to the cooling copper tube, with one end connected to the coolant tank and the other end connected to a filling valve; a siphon tube passing through the cap and communicating with the inside of the water storage bottle, containing a siphon-attracting fluid; a monitoring and control box located on the outer side of the outer bottle body, with a control panel on it; a thermocouple located inside the water storage bottle, with its other end connected to the control panel; and a pressure detection device connected to the coolant tank via a T-connector and a coolant tube, also connected to the control panel.

[0008] The outer bottle body consists of an external heat insulation layer and a heat insulation interlayer arranged sequentially from the outside to the inside. The external heat insulation layer is filled with heat insulation material, and the heat insulation interlayer is a vacuum heat insulation layer or filled with heat insulation material.

[0009] The coolant tank contains coolant, which may be liquid nitrogen, liquid carbon dioxide, or compressed air. When the micro pressure regulating valve is opened, the coolant can rapidly evaporate along the cooling copper pipe, lowering the temperature of the coolant tank. Simultaneously, the rapidly flowing vaporized coolant creates a negative pressure within the cooling copper pipe. Opening the gas check valve continuously carries gas out of the water storage bottle, creating a negative pressure state within the water storage bottle and accelerating the water solution collection rate.

[0010] The siphon fluid passes through the center of the siphon tube, with one end placed inside the water storage bottle and the other end placed at the water intake end.

[0011] The siphon fluid is cotton thread or sponge.

[0012] The replenishing copper tube is located above the cooling copper tube, and the replenishing valve, which is connected to the coolant tank via the replenishing copper tube, extends from the top of the outer bottle.

[0013] The pressure detection device is connected to the cooling copper pipe through a T-type interface to monitor the pressure inside the coolant tank in real time. The other interface of the T-type interface is connected to the outside of the external bottle through a connector and a miniature pressure regulating valve is installed there.

[0014] The T-shaped interface is also connected to the inside of the water storage bottle via a gas check valve.

[0015] The thermocouples include T-type thermocouple one and T-type thermocouple two, which are respectively located in the middle and bottom of the water storage bottle. The other end of T-type thermocouple one and T-type thermocouple two are connected to the control panel.

[0016] A sealing gasket is provided at the connection between the bottle cap and the water storage bottle, and an airtight gasket is installed at the connection between the siphon tube and the bottle cap.

[0017] The beneficial effect of this utility model is that the negative pressure siphon automatic water collection device of this utility model can quickly collect groundwater in hidden parts outside the tunnel with minimal damage to the concrete structure. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the negative pressure siphon automatic water intake device of this utility model.

[0019] Figure 2 This is a diagram showing the positional relationship between the cooling copper pipe and the replenishing copper pipe of this utility model.

[0020] Figure 3 This is a schematic diagram of the connection between the T-shaped interface and the pressure monitoring T-shaped interface of this utility model.

[0021] Figure label:

[0022] 1. Siphon to draw fluid; 2. Siphon tube; 3. Bottle cap; 4. Liquid filling valve; 5. Monitoring and control box; 6. Water storage bottle; 7. Cooling chamber; 8. Miniature pressure regulating valve; 9. Sealing gasket; 10. Type T thermocouple temperature measuring device one; 11. Type T thermocouple temperature measuring device two; 12. Pressure detection device; 13. Control panel; 14. Insulation pad; 15. Coolant tank; 16. Insulation interlayer; 17. Outer bottle body; 18. External insulation layer; 19. Airtight gasket; 20. Liquid replenishment copper pipe; 21. Type T thermocouple one; 22. Cooling copper pipe; 23. Type T thermocouple two; 24. T-shaped interface; 25. Gas check valve; 26. Pressure monitoring T-shaped interface. Detailed Implementation

[0023] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0024] like Figures 1-3As shown, the negative pressure siphon-type automatic water dispensing device of this utility model includes: an outer bottle body 17, a water storage bottle 6, a cooling copper pipe 22, a replenishing copper pipe 20, a siphon pipe 2, a thermocouple, a pressure detection device 12, and a monitoring and control box 5. The outer bottle body 17 consists of an outer heat insulation layer 18 and a heat insulation interlayer 16 arranged sequentially from the outside to the inside. The outer heat insulation layer 18 is filled with heat insulation material, and the heat insulation interlayer 16 is a vacuum heat insulation layer or a layer filled with heat insulation material. The heat insulation material can be rock wool, asbestos, aerogel felt, or other heat insulation materials. The heat insulation interlayer 16 is wrapped around the outer heat insulation layer 18. That is to say, the outer bottle body can be composed of an outer heat insulation layer filled with heat insulation material and a heat insulation interlayer with a vacuum heat insulation layer, or it can be composed of two layers filled with heat insulation material.

[0025] The interior of the outer bottle 17 is divided into two parts by the heat insulation layer 14: a cooling chamber 7 and a coolant chamber 15. The cooling chamber 7 is located above the coolant chamber 15. The cooling chamber 7 is the main structure for collecting groundwater, while the coolant chamber 15 primarily stores coolant, cools the cooling chamber 7, and provides a negative pressure environment. The heat insulation layer 14 consists of a heat insulation plate and a heat insulation pad, and is either fixedly connected to or integrally formed with the inner wall of the outer bottle 17. The heat insulation layer 14 has through holes for the cooling copper pipe 22 and the replenishment copper pipe 20 to pass through.

[0026] The water storage bottle 6 is located in the cooling chamber 7. The top of the water storage bottle 6 is sealed to the top of the outer bottle body 17, and the mouth of the water storage bottle 6 is threaded to the bottle cap 3. A sealing gasket 9 is provided at the connection between the bottle cap 3 and the water storage bottle 6. Both the water storage bottle 6 and the bottle cap 3 are made of rust-resistant stainless steel.

[0027] The siphon tube 2 passes through the bottle cap 3 and connects to the inside of the water storage bottle 6. An airtight gasket 19 is installed at the connection between the siphon tube 2 and the bottle cap 3.

[0028] The siphon tube 2 contains a siphon fluid 1; the siphon fluid 1 passes through the center of the siphon tube 2, with one end placed inside the water storage bottle 6 and the other end placed at the water intake end. The siphon fluid 1 is cotton thread or sponge.

[0029] The cooling chamber 7 is also equipped with a cooling copper pipe 22 and a liquid replenishment copper pipe 20. The cooling chamber 7 is made of corrosion-resistant stainless steel, and the liquid replenishment copper pipe 20 and the cooling copper pipe 22 are both made of corrosion-resistant copper.

[0030] The cooling copper tube 22 is serpentinely wrapped around the outside of the water storage bottle 6, with one end of the cooling copper tube 22 connected to the coolant tank 15 and the other end connected to the micro pressure regulating valve 8 through the T-type interface 24. The third port of the T-type interface 24 is connected to the water storage bottle through the one-way gas valve 25.

[0031] The pressure detection device 12 is connected to the coolant tank 15 via the cooling copper pipe 22 through the T-type interface 24, thereby enabling monitoring of the pressure inside the coolant tank 15.

[0032] The connection between the T-type interface 24 and the micro pressure regulating valve 8 means that the T-type interface 24 is connected to the outside of the external bottle body 17 and the atmosphere through the pressure monitoring T-type interface 26, and a micro pressure regulating valve 8 is installed at the end.

[0033] When the micro pressure regulating valve 8 is opened, the coolant can evaporate rapidly along the cooling copper pipe 22, which lowers the temperature of the coolant tank 15. At the same time, the rapidly flowing vaporized coolant will form a negative pressure in the cooling copper pipe 22. The gas one-way valve 25 is opened to continuously carry out the gas in the water storage bottle 6, so that a negative pressure state is formed in the water storage bottle 6, thereby accelerating the water solution collection rate.

[0034] The replenishing copper pipe 20 is arranged parallel to the cooling copper pipe 22. One end of the replenishing copper pipe 20 is connected to the coolant tank 15, and the other end is connected to the filling valve 4. The coolant added from the heating valve 4 enters the coolant tank 15 through the replenishing copper pipe 20. The coolant in the coolant tank 15 is liquid nitrogen, liquid carbon dioxide, or compressed air. The replenishing copper pipe 20 is located above the cooling copper pipe 22, and the filling valve 4, which connects the replenishing copper pipe 20 to the coolant tank 15, extends from the top of the outer bottle 17.

[0035] The monitoring and control box 5 is located on the outer side of the outer bottle 17. The monitoring and control box 5 is equipped with a control panel 13, which is connected to the thermocouple and the pressure detection device 12 respectively.

[0036] Thermocouples are arranged inside the water storage bottle 6; the thermocouples include T-type thermocouple 21 and T-type thermocouple 23, which are respectively located in the middle and bottom of the water storage bottle 6. The other ends of T-type thermocouple 21 and T-type thermocouple 23 are connected to the control panel 13. Monitoring the internal temperature of the water storage bottle 6 is mainly to prevent the collected liquid sample from condensing due to excessively low temperature, which would distort the sample detection results and reduce the collection rate.

[0037] T-type thermocouple 1 21 and T-type thermocouple 23 are respectively connected to T-type thermocouple temperature measuring device 10 and T-type thermocouple temperature measuring device 2 11. Both T-type thermocouple temperature measuring device 10 and T-type thermocouple temperature measuring device 2 11 are composed of an LCD display and a thermoelectric temperature transmitter. Both T-type thermocouple temperature measuring device 10 and T-type thermocouple temperature measuring device 2 11 are connected to the control panel 13.

[0038] The T-type thermocouple temperature measuring device 10, the T-type thermocouple temperature measuring device 2 11, the pressure detection device 12, and the control panel 13 are installed on the detection control box 5.

[0039] The pressure detection device 12 is connected to the coolant tank 15 in sequence through the pressure monitoring T-shaped interface 26, the T-shaped interface 24 and the cooling copper pipe 22 to monitor the pressure inside the coolant tank 15 in real time. The pressure detection device 12 is also connected to the control panel 13.

[0040] When using this utility model, the following steps are included:

[0041] S1. Drill holes in the concrete tunnel using an electric drill until the sampling surface is reached;

[0042] S2. Open the filling valve 4 and the micro pressure regulating valve 8, and inject coolant into the coolant tank 15 through the filling valve 4;

[0043] S3. Close the liquid filling valve 4 and the miniature pressure regulating valve 8;

[0044] S4. Insert the siphon tube 2 into the borehole and adjust the position of the siphon tube 2 until the siphon-induced fluid 1 becomes wet or forms droplets. Then, pass the other end of the siphon tube 2 through the bottle cap 3 and connect it to the water storage bottle 6.

[0045] S5. Open and adjust the micro pressure regulating valve 8 to control the gas output until the solution is collected to the predetermined sample volume;

[0046] S6. Close the micro pressure regulating valve 8, remove the siphon tube 2, then transfer the water sample and wait for the negative pressure siphon automatic water intake device to return to room temperature.

[0047] In this invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include at least one of those features.

[0048] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0049] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A negative pressure siphon type automatic water intake device, characterized in that, include: The outer bottle body is divided into two parts by an insulation layer: a cooling chamber and a coolant chamber. The cooling chamber is located above the coolant chamber. A water storage bottle, which is located in a cooling chamber above the internal heat insulation pad of the outer bottle body, and the bottle mouth is threadedly connected to the bottle cap. A siphon tube, which passes through the bottle cap and communicates with the inside of the water storage bottle, and is provided with a siphon to attract fluid; A cooling copper tube is serpentinely wound around the outside of the water storage bottle, with one end of the cooling copper tube connected to the coolant tank and the other end connected to a miniature pressure regulating valve via a T-type interface. A replenishing copper pipe is provided, which is arranged parallel to the cooling copper pipe, with one end of the replenishing copper pipe connected to the coolant tank and the other end connected to the filling valve. A monitoring and control box is installed on the outer side of the outer bottle, and a control panel is provided on the monitoring and control box. A thermocouple is arranged inside the water storage bottle, and the other end of the thermocouple is connected to the control panel. A pressure detection device is connected to the coolant reservoir via a T-type interface and a coolant pipe, and is also connected to a control panel.

2. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The outer bottle body consists of an outer heat insulation layer and a heat insulation interlayer arranged sequentially from the outside to the inside. The outer heat insulation layer is filled with heat insulation material, and the heat insulation interlayer is a vacuum heat insulation layer or filled with heat insulation material.

3. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The coolant in the coolant tank is liquid nitrogen, liquid carbon dioxide, or compressed air.

4. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The siphon fluid passes through the center of the siphon tube, with one end placed inside the water storage bottle and the other end placed at the water intake end.

5. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The siphon fluid is cotton thread or sponge.

6. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The replenishing copper tube is located above the cooling copper tube, and the replenishing valve, which is connected to the coolant tank via the replenishing copper tube, extends from the top of the outer bottle.

7. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The pressure detection device is connected to the cooling copper pipe through a T-type interface to monitor the pressure inside the coolant tank in real time. The other interface of the T-type interface is connected to the outside of the external bottle through a connector and a miniature pressure regulating valve is installed there.

8. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The T-shaped interface is also connected to the inside of the water storage bottle via a gas check valve.

9. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, The thermocouples include T-type thermocouple one and T-type thermocouple two, which are respectively located in the middle and bottom of the water storage bottle. The other end of T-type thermocouple one and T-type thermocouple two are connected to the control panel.

10. The negative pressure siphon automatic water intake device according to claim 1, characterized in that, A sealing gasket is provided at the connection between the bottle cap and the water storage bottle, and an airtight gasket is installed at the connection between the siphon tube and the bottle cap.

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