Condensate recovery device for liquid nitrogen vaporizer

Abstract

The utility model relates to the technical field of liquid nitrogen vaporizers, in particular to a condensate recovery device of a liquid nitrogen vaporizer. According to the technical scheme, the recycling device comprises a liquid nitrogen vaporizer, a workbench and a recycling box body, the outer end face of one side of the liquid nitrogen vaporizer communicates with a drainage pipe, the workbench is fixed to the lower surface of the liquid nitrogen vaporizer, supporting legs are welded to the lower surface of the workbench, a bottom plate is fixed to the inner walls of the supporting legs, and the bottom plate is fixed to the lower surface of the recycling box body; the outer end face of one side of the recycling box body communicates with a supporting pipe, the outer surfaces of supporting legs are in threaded connection with a mounting frame, the outer surface of the mounting frame is in threaded connection with a connecting frame, the outer surface of the connecting frame is in threaded connection with a fixing frame, and an adsorption net, a filter net, a fixing net and a connecting net are fixedly embedded into the inner wall of the recycling box body. The condensate recovery device can realize the recovery of condensate, reduce the sewage treatment burden of customers and meet the environmental protection requirement, and the recovered condensate can be sent back to the customers to increase the income.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid nitrogen vaporizers, in particular to a condensate recovery device for a liquid nitrogen vaporizer. Background Art

[0002] Liquid gas is heated in a vaporizer until it vaporizes (becomes gas). Simply put, cold liquid gas becomes gaseous gas after passing through a "pilot vaporizer". Heating can be indirect (steam heated vaporizer, hot water bath vaporizer or heat transfer fluid) or direct (hot gas or immersion combustion). Liquid nitrogen vaporizer is used to evaporate liquid nitrogen to meet the nitrogen needs of downstream devices. The water bath vaporizer evaporates liquid nitrogen through different tube bundles to obtain the corresponding nitrogen product.

[0003] A liquid nitrogen vaporizer of CN208397692U is disclosed in the prior art, which relates to the technical field of vaporizer equipment. The liquid nitrogen vaporizer comprises a liquid nitrogen vaporizer, wherein the interior of the liquid nitrogen vaporizer is sleeved with an inner cavity, the top of the inner cavity is fixedly connected with an upper cover, the top of the liquid nitrogen vaporizer is fixedly connected with a support plate, the bottom of the upper cover overlaps the top of the support plate, an air outlet pipe is interspersed on the top of the upper cover, the bottom end of the air outlet pipe is fixedly connected with one end of a spiral tube, the spiral tube is wound and arranged on the outer surface of the inner cavity, and the other end of the spiral tube is fixedly connected with the bottom of the inner cavity side surface through the air inlet pipe. The liquid nitrogen vaporizer is provided with an inner cavity, an air outlet pipe, a spiral tube, an air inlet pipe, a jack, a threaded groove, a water outlet pipe and a heating wire, and liquid nitrogen is sprayed onto the inner cavity surface in a mist state through an injector, and the heating wire is connected to a power source with a wire, and the heating wire starts to heat up, and the heating wire and the liquid heat the liquid nitrogen.

[0004] The heat required for evaporating liquid oxygen is provided by saturated steam at a pressure of about 10 barg and a temperature of about 184°C. The water bath temperature is adjusted to ~60°C by a temperature controller. Relying on the heat of the water pool around the tube bundle, the cryogenic liquid is vaporized and heated to ~20°C. The overflow water of the vaporizer steam condensate will be directly discharged into the ditch, causing waste. Utility Model Content

[0005] The utility model aims to provide a condensate recovery device for a liquid nitrogen vaporizer to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid nitrogen vaporizer condensate recovery device, comprising a liquid nitrogen vaporizer, a workbench and a recovery box body, one side outer end surface of the liquid nitrogen vaporizer is connected with a drain pipe, the lower surface of the liquid nitrogen vaporizer is fixed with a workbench, and the lower surface of the workbench is welded with a support leg, one side outer end surface of the recovery box body is connected with a support pipe, and the outer surface of the support pipe is threadedly connected with a mounting frame, and the inner wall of the recovery box body is embedded and fixed with an adsorption net, a filter net, a fixed net and a connecting net.

[0007] When using a liquid nitrogen vaporizer condensate recovery device in the technical solution, a fixing frame, a connecting frame or a mounting frame of a suitable diameter is selected according to the actual diameter of the specific drain pipe, and the fixing frame, the connecting frame or the mounting frame of the suitable diameter is threadedly connected to the outer surface of the support pipe, and then the fixing frame, the connecting frame or the mounting frame of the suitable diameter is threadedly connected to the inner wall of the drain pipe, so that the drain pipe and the support pipe can be connected. The drain pipe is connected with the condensate pipe inside the liquid nitrogen vaporizer. The drain pipe sucks in the condensate under the action of the power device, and then sends it into the inside of the recovery box body through the support pipe. The condensate is filtered through the adsorption net, the filter net, the fixed net and the connecting net to remove impurities, so that the condensate can be recovered, the customer's sewage treatment burden is reduced, and environmental protection requirements are met. The recovered condensate is sent back to the customer to increase revenue.

[0008] Preferably, the upper surface of the liquid nitrogen vaporizer is hingedly connected to a sealing cover, and a handle is welded to the upper surface of the sealing cover. By arranging the handle on the upper surface of the sealing cover, it is convenient to hold the handle to open or close the sealing cover.

[0009] Preferably, both outer end surfaces of the liquid nitrogen vaporizer are connected with fixed pipes, and the outer surface of the fixed pipe is threadedly connected with a fixed valve. By arranging fixed pipes on both sides of the liquid nitrogen vaporizer, hot water can be easily introduced in and out.

[0010] Preferably, both outer end surfaces of the liquid nitrogen vaporizer are connected with connecting pipes, and the outer surface of the connecting pipe is threadedly connected with a connecting valve. By arranging connecting pipes on both sides of the liquid nitrogen vaporizer, it is convenient for liquid gas to enter and exit.

[0011] Preferably, a bottom plate is fixed to the inner wall of the support leg, and the bottom plate is fixed to the lower surface of the recycling box body. By arranging the bottom plate on the inner wall of the support leg, it is convenient to support the recycling box body.

[0012] Preferably, the outer surface of the mounting frame is threadedly connected to a connecting frame, and the outer surface of the connecting frame is threadedly connected to a fixing frame. By arranging the connecting frame and the fixing frame on the outer surface of the mounting frame, it is convenient to connect the mounting frame.

[0013] Preferably, a liquid outlet pipe is connected to one side of the outer end surface of the recovery box body, and a liquid outlet valve is threadedly connected to the outer surface of the liquid outlet pipe. By arranging the liquid outlet pipe on one side of the recovery box body, it is convenient to discharge the coolant.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model achieves the effect of recovering condensate by providing a recovery box body, a support pipe and a fixed frame. According to the actual diameter of the specific drain pipe, a fixed frame, a connecting frame or a mounting frame of suitable diameter is selected, and the fixed frame, the connecting frame or the mounting frame of suitable diameter is threadedly connected to the outer surface of the support pipe, and then the fixed frame, the connecting frame or the mounting frame of suitable diameter is threadedly connected to the inner wall of the drain pipe, so that the drain pipe and the support pipe can be connected. The drain pipe is connected with the condensate pipe inside the liquid nitrogen vaporizer. The drain pipe sucks the condensate under the action of the power device, and then sends it into the recovery box body through the support pipe. The condensate is filtered through the adsorption net, the filter net, the fixed net and the connecting net to remove impurities, so that the condensate can be recovered, the sewage treatment burden of the customer is reduced, and the environmental protection requirements are met. The recovered condensate is sent back to the customer to increase the profit.

[0016] 2. The utility model achieves the effect of facilitating the vaporization of liquid nitrogen by arranging a fixed pipe, a connecting pipe and a sealing cover. Liquid nitrogen is sent into the interior of the liquid nitrogen vaporizer through the connecting pipe, and hot water is sent into the interior of the liquid nitrogen vaporizer through the fixed pipe. The liquid nitrogen is heated inside the liquid nitrogen vaporizer until it becomes gas, which facilitates the vaporization of the liquid nitrogen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is an enlarged structural schematic diagram of the support tube of the utility model;

[0019] Figure 3 This is a schematic diagram of the main cross-sectional structure of the recycling box body of the utility model;

[0020] Figure 4 It is a side structural schematic diagram of the utility model.

[0021] In the figure: 1. Sealing cover; 2. Handle; 3. Fixed valve; 4. Fixed pipe; 5. Connecting valve; 6. Connecting pipe; 7. Drain pipe; 8. Liquid nitrogen vaporizer; 9. Workbench; 10. Support pipe; 11. Support leg; 12. Bottom plate; 13. Recovery box body; 14. Fixed frame; 15. Connecting frame; 16. Mounting frame; 17. Adsorption net; 18. Filter net; 19. Fixed net; 20. Connecting net; 21. Liquid outlet pipe; 22. Liquid outlet valve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figures 1 to 4 The utility model provides an embodiment: a liquid nitrogen vaporizer condensate recovery device, comprising a liquid nitrogen vaporizer 8, a workbench 9 and a recovery box body 13, one side outer end surface of the recovery box body 13 is connected with a support pipe 10, and the outer surface of the support pipe 10 is threadedly connected with a mounting frame 16, the outer surface of the mounting frame 16 is threadedly connected with a connecting frame 15, and the outer surface of the connecting frame 15 is threadedly connected with a fixing frame 14, the inner wall of the recovery box body 13 is embedded with an adsorption net 17, a filter net 18, a fixing net 19 and a connecting net 20, the outer end surface of the recovery box body 13 is connected with a liquid outlet pipe 21, and the outer surface of the liquid outlet pipe 21 is threadedly connected with a liquid outlet valve 22.

[0025] Of course, as is well known to those skilled in the art, the fixed pipe 4, connecting pipe 6, drain pipe 7, liquid nitrogen vaporizer 8 and support pipe 10 of the utility model also need to be provided with a power device to enable them to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and they all belong to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0026] A liquid nitrogen vaporizer condensate recovery device based on Example 1, according to the actual diameter of the specific drain pipe 7, a fixing frame 14, a connecting frame 15 or a mounting frame 16 of a suitable diameter is selected, and the fixing frame 14, the connecting frame 15 or the mounting frame 16 of a suitable diameter is threadedly connected to the outer surface of the support pipe 10, and then the fixing frame 14, the connecting frame 15 or the mounting frame 16 of a suitable diameter is threadedly connected to the inner wall of the drain pipe 7, so that the drain pipe 7 and the support pipe 10 can be connected, and the drain pipe 7 is connected to the condensate pipe inside the liquid nitrogen vaporizer 8. The drain pipe 7 sucks in the condensate under the action of the power device, and then sends it into the recovery box body 13 through the support pipe 10. The condensate is filtered through the adsorption net 17, the filter net 18, the fixed net 19 and the connecting net 20 to remove impurities, realize the recovery of the condensate, reduce the customer's sewage treatment burden, meet environmental protection requirements, and send the recovered condensate back to the customer to increase revenue.

[0027] Embodiment 2

[0028] like Figure 1-Figure 4As shown, a liquid nitrogen vaporizer condensate recovery device proposed by the utility model, compared with the first embodiment, this embodiment also includes a liquid nitrogen vaporizer 8, a workbench 9 and a recovery box body 13, the upper surface of the liquid nitrogen vaporizer 8 is hingedly connected with a sealing cover 1, and a handle 2 is welded on the upper surface of the sealing cover 1, the outer end surfaces on both sides of the liquid nitrogen vaporizer 8 are connected with a fixed pipe 4, and the outer surface of the fixed pipe 4 is threadedly connected with a fixed valve 3, the outer end surfaces on both sides of the liquid nitrogen vaporizer 8 are connected with a connecting pipe 6, and the outer surface of the connecting pipe 6 is threadedly connected with a connecting valve 5, one side of the outer end surface of the liquid nitrogen vaporizer 8 is connected with a drain pipe 7, the lower surface of the liquid nitrogen vaporizer 8 is fixed with a workbench 9, and the lower surface of the workbench 9 is welded with a supporting leg 11, the inner wall of the supporting leg 11 is fixed with a bottom plate 12, and the bottom plate 12 is fixed to the lower surface of the recovery box body 13.

[0029] In this embodiment, liquid nitrogen is sent into the liquid nitrogen vaporizer 8 through the connecting pipe 6, and hot water is sent into the liquid nitrogen vaporizer 8 through the fixed pipe 4. The liquid nitrogen is heated inside the liquid nitrogen vaporizer 8 until it becomes gas, which facilitates the vaporization of the liquid nitrogen. The liquid nitrogen vaporizer 8 is an existing mature technology, so it is not described in detail.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A liquid nitrogen vaporizer condensate recovery device, comprising a liquid nitrogen vaporizer (8), a workbench (9) and a recovery box body (13), characterized in that: One side outer end surface of the liquid nitrogen vaporizer (8) is connected to a drain pipe (7); a workbench (9) is fixed to the lower surface of the liquid nitrogen vaporizer (8), and a support leg (11) is welded to the lower surface of the workbench (9); one side outer end surface of the recovery box body (13) is connected to a support pipe (10), and the outer surface of the support pipe (10) is threadedly connected to a mounting frame (16); and an adsorption net (17), a filter net (18), a fixing net (19) and a connecting net (20) are embedded and fixed on the inner wall of the recovery box body (13).

2. A liquid nitrogen vaporizer condensate recovery device according to claim 1, characterized in that: The upper surface of the liquid nitrogen vaporizer (8) is hingedly connected to a sealing cover (1), and a handle (2) is welded to the upper surface of the sealing cover (1).

3. The liquid nitrogen vaporizer condensate recovery device according to claim 1, characterized in that: The outer end surfaces on both sides of the liquid nitrogen vaporizer (8) are both connected to fixed pipes (4), and the outer surfaces of the fixed pipes (4) are threadedly connected to fixed valves (3).

4. The liquid nitrogen vaporizer condensate recovery device according to claim 1, characterized in that: The outer end surfaces on both sides of the liquid nitrogen vaporizer (8) are connected to connecting pipes (6), and the outer surface of the connecting pipe (6) is threadedly connected to a connecting valve (5).

5. The liquid nitrogen vaporizer condensate recovery device according to claim 1, characterized in that: A bottom plate (12) is fixed to the inner wall of the support leg (11), and the bottom plate (12) is fixed to the lower surface of the recovery box body (13).

6. The liquid nitrogen vaporizer condensate recovery device according to claim 1, characterized in that: The outer surface of the mounting frame (16) is threadedly connected to the connecting frame (15), and the outer surface of the connecting frame (15) is threadedly connected to the fixing frame (14).

7. The liquid nitrogen vaporizer condensate recovery device according to claim 1, characterized in that: One side outer end surface of the recovery box body (13) is connected to a liquid outlet pipe (21), and the outer surface of the liquid outlet pipe (21) is threadedly connected to a liquid outlet valve (22).

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