Large-flow liquid nitrogen separation device

Abstract

The utility model relates to the technical field of liquid nitrogen separation devices, in particular to a high-flow liquid nitrogen separation device. According to the technical scheme, the device comprises a base, a motor, a shell, a butt joint cover and a spiral plate, the shell is arranged at the upper end of the base, the spiral plate with the hollow interior is arranged in the shell, the butt joint cover penetrating through the interior of the upper end of the shell is arranged in the shell, a closing cover and a side ring are arranged at the two ends of the shell respectively, and an outer cover is arranged at one end of the side ring; nuts are arranged at the front end and the rear end of the side ring and the front end and the rear end of the closing cover, symmetrically-distributed motors are arranged at the upper end of the base, and screw rods with outer wall threads oppositely distributed and rotationally inserted into the nuts are arranged at the output ends of the motors. Through the spiral plate and the spiral channel in the shell, large-flow heat exchange is carried out on a medium in liquid nitrogen separation, the two ends of the shell are convenient to open after the shell is used, and the interior of the shell is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid nitrogen separation device technical field especially relates to a large flow liquid nitrogen separation device. BACKGROUND

[0002] Spiral plate heat exchanger is by spiral plate stacking heat exchanger, two kinds of medium heat exchange in the spiral plate inside and outside flow, realize heat exchange, spiral plate heat exchanger has efficient heat transfer characteristics, can realize a large amount of heat transfer in smaller space, is suitable for processing a large amount of liquid nitrogen gas.

[0003] But also lead to spiral plate heat exchanger internal structure complex, in the process of using the spiral plate heat exchanger in the spiral plate outer wall will gradually structure, lead to heat exchange efficiency to drop, but because spiral plate heat exchanger internal structure complex compact, cleaning is very inconvenient, for this we propose a kind of large flow liquid nitrogen separation device to solve the existing problem. UTILITY MODEL CONTENT

[0004] The utility model relates to a kind of large flow liquid nitrogen separation device to solve the existing problem for the problems existing in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of large flow liquid nitrogen separation device, including base, motor, shell, butt joint cover and spiral plate, the shell is arranged in the base upper end, the spiral plate with hollow inside is arranged in the shell, the butt joint cover is arranged in the shell inside and penetrates the upper end inside of shell, the shell both ends are respectively provided with closure cap and side ring, the side ring one end is provided with outer cover, the side ring and closure cap front and back both ends are provided with nut, the base upper end is provided with the motor of symmetrical distribution, the screw rod with opposite distribution and being rotatably inserted in the nut inside is arranged in the motor output end with outer wall thread.

[0006] When using the large flow liquid nitrogen separation device in the scheme, the side ring is attached to one side of the shell, the inner plate is attached to one end of the spiral plate, the center of the spiral plate corresponds to the output pipe, the closure cap is attached to one side of the shell and the other end of the spiral plate, the heat exchange medium is transported to the inside of the spiral plate through the closure cap, flows through the spiral channel in the inside of the spiral plate, is transported to the outside through the hose, the heat exchange medium is input through the input pipe, the heat exchange medium is guided by the outer cover and the inner cover, the spiral space between the outer side of the spiral plate and the shell flows from the outer side to the inner side, realizes the flow of the medium transported in the inside of the spiral plate, the structure of the spiral plate heat exchanger is compact, the channels are formed between the plates, so that the equipment occupies small space, is suitable for applied in large flow liquid nitrogen separation device, saves site;

[0007] After use, the motor operates to drive the screw rod to rotate, the screw rod pushes the nut to move away from each other through the threads distributed on the outer wall, the nut drives the side ring and the closing cover to move outward, thereby conveniently opening the two ends of the shell and cleaning the inside of the shell.

[0008] Preferably, the docking cover is provided with a bellows at one end inside the shell.

[0009] Preferably, the docking cover is provided with a connecting ring on the outer wall of the lower end of the bellows, and the shell is provided with a hydraulic rod two inside the upper end and connected with the connecting ring.

[0010] Preferably, the docking cover is provided with a docking head embedded in the opening at one end of the spiral plate.

[0011] Preferably, the outer cover is provided with an input pipe at one end, and the closing cover is provided with an output pipe at one end.

[0012] Preferably, the spiral plate is provided with a hose penetrating the output pipe at one end.

[0013] Preferably, the outer cover is provided with an inner cover inside, the inner cover is provided with an inner plate at one end, the inner plate is attached to one side of the outer wall of the spiral plate, and the outer wall of the inner plate is provided with support rods arranged in an annular array and attached to the inner wall of the outer cover.

[0014] Preferably, the shell is provided with a support plate inside at both sides of the lower end, the support plate is provided with two groups of equidistantly distributed ball bearings rotatably installed at the upper end, and the shell is provided with a hydraulic rod one slidingly penetrating the shell and connected with the support plate at the front and rear outer walls.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses a heat exchange medium is inputted through the butt joint cover in the process of using, the hose is communicated with the inside one end of spiral plate, and the heat exchange medium is outputted, and the heat exchange medium flows in the hollow spiral plate, and the spiral channel that the spiral plate and the shell form is located the outside of spiral plate, carries out the transport of liquid nitrogen separation process medium, carries out heat exchange through the heat exchange plate, the channel of spiral shape, the mutual mixing of medium flow process, realizes the high -efficient heat exchange of large flow rate.

[0017] 2. Meanwhile, the both ends of the shell are avoided through the closed structure the installation of a large number of bolts, through the cooperation of screw rod and nut, the closed structure and the shell extrude closed, realize the quick opening and closing of both ends of the shell, and the spiral plate can move out of the outside, convenient to carry out the convenient cleaning of the spiral plate type heat exchanger inside. DRAWINGS

[0018] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the top view three-dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the side cross section three-dimensional structure schematic diagram of the utility model;

[0021] Figure 4 It is the corrugated pipe side view three-dimensional structure schematic diagram of the utility model;

[0022] Figure 5 It is the support plate top view three-dimensional structure schematic diagram of the utility model;

[0023] Figure 6 It is the inner plate main cross section three-dimensional structure schematic diagram of the utility model.

[0024] Signs: 1, base; 2, motor; 3, screw rod; 4, nut; 5, hydraulic rod one; 6, shell; 7, hose; 8, butt joint cover; 9, closed cover; 10, side ring; 11, cover; 12, input pipe; 13, output pipe; 14, inner plate; 15, hydraulic rod two; 16, spiral plate; 17, spiral groove; 18, support plate; 19, corrugated pipe; 20, connecting ring; 21, butt joint; 22, inner cover; 23, support rod; 24, ball. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0026] As Figures 1-6 The utility model provides a big flow liquid nitrogen separation device, including base 1, motor 2, casing 6, butt joint cover 8 and spiral plate 16, the casing 6 is set up in base 1 upper end, the spiral plate 16 of inside hollow is set up in the inside of casing 6, the butt joint cover 8 of inside through casing 6 upper end is set up in casing 6, the closed lid 9 and side ring 10 are set up respectively in both ends of casing 6, and the outer cover 11 is set up in one end of side ring 10,

[0027] The butt joint cover 8 is located in the end of the casing 6 and is provided with a corrugated pipe 19;

[0028] The butt joint cover 8 is located in the lower end of the corrugated pipe 19 and is provided with a connecting ring 20, and the hydraulic rod two 15 connected with the connecting ring 20 is arranged in the upper end of the casing 6;

[0029] The butt joint cover 8 is provided with a butt joint 21 at the lower end, which is embedded in the opening at one end of the spiral plate 16;

[0030] The outer cover 11 is provided with an input pipe 12 at one end, and the closed lid 9 is provided with an output pipe 13 at one end;

[0031] The spiral plate 16 is flange-connected with a hose 7 that penetrates the output pipe 13;

[0032] The outer cover 11 is provided with an inner cover 22, and the inner cover 22 is provided with an inner plate 14 at one end, which is attached to one side of the spiral plate 16. The outer wall of the inner plate 14 is provided with support rods 23 that are arranged in a ring array and attached to the inner wall of the outer cover 11;

[0033] Based on the implementation steps of example 1: during installation, the extended part of the hose 7 is located inside the casing 6 and at the center of the spiral plate 16. The hose 7 is flange-connected to the spiral plate 16 at one end, and the other end penetrates the output pipe 13. The structure of the output pipe 13 can be modified to be a tee pipe. One end of the tee pipe is sealed and fixed to the hose 7 by a sealing cap, and the other end is open for the transportation of heat exchange medium. The two heat exchange media flow in and out of the spiral plate 16, and heat exchange is carried out. This realizes large-flow heat exchange of the liquid nitrogen separation device. During the flow process, the liquid continuously contacts the plate surface, and heat transfer occurs between the media. This can accelerate the exchange and transmission efficiency of heat, thereby realizing efficient heat exchange. While the liquid flows, the spiral plate 16 rotates to increase the strength of convective heat transfer, uniformly mix the fluid in the entire heat exchanger, and further improve the heat exchange effect, enabling large-flow medium heat exchange.

[0034] As Figures 1-6As shown, the utility model provides a kind of big flow liquid nitrogen separation device compared to embodiment one, this embodiment further includes: the nut 4 is arranged in the front and rear ends of side ring 10 and closed cover 9, the motor 2 of symmetrical distribution is arranged on the upper end of base 1, the screw rod 3 of outer wall thread is relatively distributed and is rotatably inserted in the inside of nut 4 and is arranged in the output end of motor 2;

[0035] Supporting plate 18 is arranged in the inside of both sides of the lower end of shell 6, two groups of equidistant distribution's ball 24 are rotatably installed on the upper end of supporting plate 18, and hydraulic rod one 5 is slidably penetrated through shell 6 and connected with supporting plate 18 and is arranged on the outer wall of the front and rear sides of shell 6;

[0036] In the embodiment, motor 2 drives screw rod 3 to rotate when operating, and two groups of screw rod 3 and two groups of symmetrically distributed nut 4 are matched with them, and side ring 10 and closed cover 9 are moved away from each other or move away from each other, at this time, hydraulic rod two 15 drives connecting ring 20 to lift, drives butt joint 21 to move out of the inside of one end of spiral plate 16, and spiral plate 16 is supported by rolling ball 24 on the upper end of supporting plate 18, and spiral plate 16 is pushed to the outside, and then the outer wall of spiral plate 16 and the inner wall of shell 6 are conveniently cleaned, to avoid the complex internal structure of spiral plate 16 type heat exchanger and the inconvenience of cleaning.

[0037] The above specific embodiments are only several preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

[0038] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, so as to include all changes falling within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A large flow liquid nitrogen separation device comprising a base (1), a motor (2), a shell (6), a docking cover (8) and a spiral plate (16), characterized in that: The bottom base (1) upper end is provided with a shell (6), the shell (6) is internally provided with a spiral plate (16) with hollow, the shell (6) is internally provided with a docking cover (8) penetrating the upper end of the shell (6), the shell (6) both ends are provided with a closure cover (9) and a side ring (10), the side ring (10) one end is provided with an outer cover (11), the side ring (10) and the closure cover (9) front and back ends are provided with a nut (4), the bottom base (1) upper end is provided with a symmetrical distribution motor (2), the motor (2) output end is provided with a screw rod (3) with opposite distribution outer wall thread and rotatingly inserted into the nut (4) inside.

2. The large flow rate liquid nitrogen separation device of claim 1, wherein: The docking cover (8) is located at one end of the shell (6) and is provided with a bellows (19).

3. The large flow rate liquid nitrogen separation device of claim 2, wherein: The docking cover (8) is located at the lower end of the bellows (19) and is provided with a connecting ring (20), the shell (6) upper end is internally provided with a hydraulic rod two (15) with a telescopic end connected with the connecting ring (20).

4. The large flow rate liquid nitrogen separation device of claim 1, wherein: The docking cover (8) lower end is provided with a docking head (21) embedded with one end opening of the spiral plate (16).

5. The large flow rate liquid nitrogen separation device of claim 1, wherein: The outer cover (11) one end is communicated and installed with an input pipe (12), the closure cover (9) one end is communicated and installed with an output pipe (13).

6. A large flow liquid nitrogen separation device according to claim 5, characterized in that: The spiral plate (16) one end flange is connected with a hose (7) penetrating the output pipe (13).

7. The large flow rate liquid nitrogen separation device of claim 1, wherein: The outer cover (11) is internally provided with an inner cover (22), the inner cover (22) one end is provided with an inner plate (14), the inner plate (14) and the spiral plate (16) one side outer wall are fitted, the inner plate (14) outer wall is provided with a support rod (23) with annular array distribution and fitted with the outer cover (11) inner wall.

8. The large flow rate liquid nitrogen separation device of claim 1, wherein: The shell (6) lower end both sides are internally provided with a support plate (18), the support plate (18) upper end is rotatably installed with two groups of equidistantly distributed ball bearings (24), the shell (6) front and back sides are provided with a hydraulic rod one (5) with a telescopic end slidingly penetrating the shell (6) and connected with the support plate (18).

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