CN113883912B

CN113883912B - Deuterium gas generator heavy water recovery unit

Info

Publication number: CN113883912B
Application number: CN202111211297.2A
Authority: CN
Inventors: 林坤; 张长金; 马朝选; 王亚峰; 杨万吉
Original assignee: Peric Special Gases Co Ltd
Current assignee: Peric Special Gases Co Ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2023-04-11
Anticipated expiration: 2041-10-18
Also published as: CN113883912A

Abstract

The invention provides a deuterium gas generator heavy water recovery device which comprises a collecting box and a cooling box, wherein the cooling box is fixedly arranged on the collecting box, a condensation pipe penetrates through the cooling box, the condensation pipe is communicated with the collecting box through a liquid collecting pipe, a circulating pump for water circulation is arranged on the cooling box, a heat exchanger is arranged on the outer side wall of the collecting box, the circulating pump is connected with the heat exchanger, a scraping mechanism for scraping a water film accumulated on the inner wall of the condensation pipe is arranged on the condensation pipe, and a driving mechanism for promoting the water circulation and driving the scraping mechanism is arranged in the cooling box. The invention has the advantages of ingenious and reasonable structural design and strong practicability, can ensure the circular flow of water flow, improve the gas condensation effect, improve the gas recovery efficiency and improve the resource utilization rate.

Description

Deuterium gas generator heavy water recovery unit

Technical Field

The invention belongs to the technical field of deuterium gas preparation, and particularly relates to a heavy water recovery device of a deuterium gas generator.

Background

Deuterium gas is a colorless, tasteless, non-toxic combustible gas that can be used to produce compounds containing heavy hydrogen in the chemical and biochemical fields, and deuterium gas generators are common devices for producing deuterium gas.

In the deuterium gas generator in the prior art, a single-circulation structure electrolytic tank and a double-circulation structure electrolytic tank are usually configured, and gas electrolyzed by the deuterium gas generator contains a large amount of heavy water vapor which is condensed into heavy water through a condenser, so that the heavy water is recovered.

Disclosure of Invention

The invention aims to solve the technical problem of providing a deuterium gas generator heavy water recovery device aiming at the defects of the prior art, the device has the advantages of ingenious and reasonable structural design, strong practicability, capability of effectively improving the heavy water recovery rate and reducing resource waste, and simple operation.

In order to solve the technical problems, the invention adopts the technical scheme that: the deuterium gas generator heavy water recovery device is characterized by comprising a collecting box, a cooling box and a condensing pipe, wherein the cooling box is fixedly arranged on the top surface of the collecting box, the condensing pipe is horizontally arranged in the cooling box in a penetrating manner, the condensing pipe is communicated with the collecting box through a liquid collecting pipe, the cooling box is connected with a heat exchanger through a circulating pump, a scraping mechanism for scraping a liquid droplet water film formed after condensation on the inner wall of the condensing pipe is arranged on the condensing pipe, and a driving mechanism for driving the scraping mechanism to operate is arranged in the cooling box;

actuating mechanism includes motor, first lead screw, connecting block and mounting box, first lead screw horizontal rotation is installed in the cooler bin, first lead screw is located directly over the condenser pipe, connecting block threaded connection is in on the first lead screw, motor fixed mounting is on the top surface of cooler bin, the output pivot of motor extends to inside the cooler bin, lateral wall a week equidistance of the output pivot of motor is provided with a plurality of flabellums, is provided with the magnetic stripe on one of them flabellum, the mounting box is fixed to be set up on the inner wall of cooler bin, the second lead screw is installed to the mounting box internal rotation, threaded connection has the magnetic path on the second lead screw, pass through spring coupling between the terminal surface of a terminal surface of magnetic path and the terminal surface in one side of mounting box, be provided with one-way bearing on the second lead screw, the first sleeve of one-way bearing's lateral wall outer lane fixed connection, fixedly connected with the second sleeve on the first lead screw, first sleeve passes through the hold-in range and is connected with the second sleeve, first lead screw is two-way lead screw. When the fan blade provided with the magnetic strip rotates to a position closest to the magnetic block, the magnetic strip and the magnetic block are opposite, when the fan blade rotates, the magnetic strip and the magnetic block repel each other, the magnetic block moves towards a direction far away from the fan blade to drive the second lead screw to rotate, meanwhile, the second sleeve and the first lead screw are driven to rotate through the one-way bearing and the first sleeve, when the magnetic strip is far away from the magnetic block, the magnetic block moves in a reverse direction under the reset action of the spring, at the moment, the first lead screw does not rotate along with the rotation of the second lead screw due to the action of the one-way bearing, the fan blade rotates ceaselessly, the magnetic strip is periodically and intermittently close to the magnetic block, the magnetic block always makes linear reciprocating motion in the mounting box, the first lead screw intermittently rotates towards one direction, the first lead screw is a two-way lead screw, namely, threads with two ends rotating in opposite directions are arranged on the first lead screw, when the connecting block moves to an extreme position, the magnetic strip automatically reverses, moves in a circulating reciprocating manner, and finally, and the purpose of enabling the connecting block to complete the linear reciprocating motion is achieved.

Preferably, a moving plate is fixedly connected to the lower side of the connecting block, the moving plate is in sliding fit with the side wall of the condensing tube, and the moving plate is made of a magnetic material.

Preferably, the water inlet end of the circulating pump is communicated with the side wall of the cooling box, the side wall of the collecting box is fixedly connected with the heat exchanger, the water outlet end of the circulating pump is communicated with the heat exchanger, the output end of the heat exchanger is communicated with the side wall of the cooling box through a water pipe, and a circulating water path is formed by the circulating pump and the heat exchanger to ensure that the cooling water of the cooling box is always in a certain temperature range.

Preferably, the scraping mechanism comprises two sliding rods and two scraping water heads, the two ends of each sliding rod are connected to the inner wall of the condensation pipe through fixing plates, the two sliding rods are arranged oppositely up and down, the two scraping water heads are respectively connected to the sliding rods in a sliding mode, the two scraping water heads are connected through connecting rods, and each scraping water head is made of a metal material capable of being attracted by the moving plate to move synchronously. The wiper head is provided with a wiper blade matched with the shape of the inner wall of the condensation pipe, the wiper blade is attached to the inner wall of the condensation pipe, and when the moving plate does linear reciprocating motion, the wiper head and the wiper blade are driven to synchronously move so as to destroy the water film attached to the inner wall of the condensation pipe, so that the water film is condensed into heavy water droplets, and finally a large amount of droplets are gathered in the collection box through the liquid collection pipe.

Preferably, the slide bar is horizontally arranged in parallel with the axial direction of the condensation pipe, the length of the slide bar is the same as that of the cooling box, one end of the liquid collecting pipe is communicated with the position, located outside the cooling box, of the lower portion of the side wall of the condensation pipe, and the other end of the liquid collecting pipe is communicated with the collecting box.

Preferably, the side wall of the magnetic block is tightly attached to the inner wall of the mounting box, and the cross sections of the magnetic block and the mounting box are rectangular.

Preferably, parts close to the magnetic block, the magnetic strip and the moving plate in the device are all made of non-metal materials except the water scraping head, and the influence of redundant metal materials on the magnetic force on the effect of the device is avoided.

Compared with the prior art, the invention has the following advantages:

1. the heavy water collecting device is scientific and reasonable in structural design, strong in practicability, good in heavy water collecting effect and capable of reducing resource waste.

2. According to the invention, the circulating pump is arranged to pump out water in the cooling tank, water flow flows through the heat exchanger, the heat exchanger can cool the water flow, then the circulating pump pumps low-temperature water flow into the cooling tank again, so that the circulating flow of the water flow is realized, the heat on the surface of the condensing pipe can be taken away when the low-temperature water flow flows around the condensing pipe, the cooling effect of the condensing pipe on gas is improved, electrolytic gas can be liquefied fully in the condensing pipe, and the recovery effect of heavy water is improved.

3. According to the invention, the magnetic block is continuously moved by rotating the fan blades, so that the second screw rod drives the first screw rod to rotate and then drives the moving plate to reciprocate, the moving plate can drive the two sliding blocks to move, the two wiper blades can wipe off the water film attached to the inner wall of the condensation pipe in the reciprocating movement process of the two sliding blocks, water drops can be formed after the surface of the water film is damaged, heavy water formed by gas liquefaction can be fully recovered, and the resource waste is effectively reduced.

4. According to the invention, the water in the cooling box can form a vortex by rotating the fan blades, so that the flow of water flow is accelerated, the cooling effect of the water flow on the condensing pipe is further improved, and the cooling effect of gas passing through the condensing pipe is further improved.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

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

Fig. 2 is a schematic view of a part a of the enlarged structure of fig. 1 according to the present invention.

Fig. 3 is a partially enlarged view of the structure of fig. 1 at B.

FIG. 4 is a cross-sectional structural view of the second lead screw position in the present invention.

Fig. 5 is a schematic view showing a coupling structure of a connecting block and a moving plate according to the present invention.

Description of reference numerals:

1-a cooling box; 2-a condenser pipe; 3, a collecting box;

4-a liquid collecting pipe; 5, a motor; 6-fan blades;

7-magnetic strip; 8-a first screw rod; 9-a circulating pump;

10-a heat exchanger; 11-mounting a box; 12-a second lead screw;

13 — a first sleeve; 14-a second sleeve; 15-one-way bearing;

16-magnetic block; 17-connecting blocks; 18-moving the plate;

19-fixing the plate; 20-a slide bar; 21-a water scraping head;

22-connecting rod.

Detailed Description

As shown in fig. 1 to 5, the invention includes a collection box 3, a cooling box 1 and a condensation pipe 2, wherein the cooling box 1 is fixedly arranged on the top surface of the collection box 3, the condensation pipe 2 is horizontally arranged in the cooling box 1 in a penetrating manner, the left side of the condensation pipe 2 is filled with air and the right side is filled with air, the condensation pipe 2 is communicated with the collection box 3 through a liquid collecting pipe 4, the cooling box 1 is connected with a heat exchanger 10 through a circulating pump 9, the condensation pipe 2 is provided with a scraping mechanism for scraping a liquid droplet water film formed after condensation on the inner wall of the condensation pipe 2, and the cooling box 2 is internally provided with a driving mechanism for driving the scraping mechanism to operate;

actuating mechanism includes motor 5, first lead screw 8, connecting block 17 and

mounting box

11, 8 horizontal rotations of first lead screw are installed in cooler bin 1, first lead screw 8 is located directly over

condenser pipe

2, 17 threaded connection of connecting block is in on the

first lead screw

8, 5 fixed mounting of motor is on cooler bin 1's top surface, the output pivot of motor 5 extends to inside 1 of cooler bin, the lateral wall a week equidistance of the output pivot of motor 5 is provided with a plurality of flabellums 6, is provided with magnetic stripe 7 on one of them flabellum 6, mounting box 11 is fixed to be set up on cooler bin 1's inner wall, second lead screw 12 is installed to the mounting box 11 internal rotation, threaded connection has magnetic path 16 on second lead screw 12, pass through spring coupling between the left end face of magnetic path 16 and the left side of mounting box 11 in the terminal surface, be provided with one-way bearing 15 on the second lead screw 12, the first sleeve 13 of one-way bearing 15's outer lane lateral wall fixed connection, fixedly connected with second sleeve 14 on the first lead screw 8, first sleeve 13 passes through hold-in range and is connected with first sleeve 14, first sleeve 8 is two-way lead screw. When the fan blade 6 provided with the magnetic strip 7 rotates to a position nearest to the magnetic block 16, the magnetic strip 7 and the magnetic block 16 are opposite and have the same magnetism, when the fan blade 6 rotates, the magnetic strip 7 and the magnetic block 16 repel each other in the same polarity, the magnetic block 16 moves in a direction far away from the fan blade 6 to drive the second lead screw 12 to rotate, meanwhile, the one-way bearing 15 and the first sleeve 13 drive the second sleeve 14 and the first lead screw 8 to rotate, when the magnetic strip 7 is far away from the magnetic block 16, the magnetic block 16 moves in a reverse direction under the reset action of the spring, at the moment, the first lead screw 8 does not rotate along with the rotation of the second lead screw 12 under the action of the one-way bearing 15, the fan blade 6 rotates ceaselessly, the magnetic strip 7 is intermittently close to the magnetic block 16, the magnetic block 16 always makes linear reciprocating motion in the mounting box 11, the first lead screw 8 intermittently rotates in one direction, as the two-way lead screw is provided with threads with opposite rotation at two ends on the first lead screw 8, when the connecting block 17 moves to an extreme position, the connecting block 17 automatically reverses and moves to complete the linear reciprocating motion, and finally, the purpose of completing the linear reciprocating motion of the connecting block 17 is achieved.

In this embodiment, a moving plate 18 is fixedly connected to the lower side of the connecting block 17, the moving plate 18 is in sliding fit with the side wall of the condensation tube 2, and the moving plate 18 is made of a magnetic material.

In this embodiment, the end of intaking of circulating pump 9 is linked together with 1 lateral wall of cooler bin, 3 lateral walls fixed connection heat exchangers 10 of collecting box, and the play water end of circulating pump 9 is linked together with heat exchanger 10, and the output of heat exchanger 10 leads to pipe and 1 lateral wall of cooler bin to be linked together, forms the circulation water route through circulating pump 9 and heat exchanger 10 and guarantees that the cooling water of cooler bin 1 is in certain temperature range all the time.

In this embodiment, the scraping mechanism includes two sliding rods 20 and two scraping heads 21, two ends of the sliding rods 20 are connected to the inner wall of the condensation pipe 2 through a fixing plate 19, the two sliding rods 20 are arranged oppositely up and down, the two scraping heads 21 are respectively connected to the sliding rods 20 in a sliding manner, the two scraping heads 21 are connected through a connecting rod 22, and the scraping heads 21 are made of a metal material capable of being attracted by the moving plate 18 to move synchronously. The wiper blade is arranged on the wiper head 21 and matched with the shape of the inner wall of the condenser pipe 2, the wiper blade is attached to the inner wall of the condenser pipe 2, and when the moving plate 18 does linear reciprocating motion, the wiper head 21 and the wiper blade are driven to synchronously move so as to break water films attached to the inner wall of the condenser pipe 2 and enable the water films to be condensed into heavy water droplets, and finally a large amount of droplets are gathered in the collecting box 3 through the collecting pipe 4.

In this embodiment, the slide bar 20 is horizontally arranged in parallel to the axial direction of the condensation pipe 2, the length of the slide bar 20 is the same as that of the cooling box 1, one end of the liquid collecting pipe 4 is communicated with the position, located to the outside, of the right side wall of the cooling box 1 on the lower portion of the side wall of the condensation pipe 2, and the other end of the liquid collecting pipe 4 is communicated with the collecting box 3.

In this embodiment, the side wall of the magnetic block 16 is tightly attached to the inner wall of the mounting box 11, and the cross sections of the magnetic block 16 and the mounting box 11 are rectangular.

In this embodiment, the parts of the device close to the magnetic block 16, the magnetic stripe 7 and the moving plate 18 except the water scraping head 21 are made of non-metal materials, so that the influence of redundant metal materials on the magnetic force on the effect of the device is avoided.

During the use, let in condenser pipe 2 with electrolysis gas in, starter motor 5 and circulating pump 9, pack the cooling water in the cooler bin 1, circulating pump 9 takes the water in the cooler bin 1 out, and cool off by heat exchanger 10, then circulating pump 9 pumps low temperature rivers into cooler bin 1 again, realize the circulation flow of rivers, the heat on condenser pipe 2 surface can be taken away to low temperature rivers when flowing around condenser pipe 2, improve the cooling effect of condenser pipe 2 to gas, make that electrolysis gas can be abundant in the inside liquefaction of condenser pipe 2, thereby improve the recovery effect to the heavy water.

Drive flabellum 6 and rotate when motor 5 operates, flabellum 6 pivoted in-process makes the cooling water in the cooler bin 1 form the vortex, the flow of rivers with higher speed, further improve the cooling effect of rivers to condenser pipe 2, at flabellum 6 pivoted in-process, when flabellum 6 that has magnetic stripe 7 is close to magnetic path 16, magnetic path 16 can move right under magnetic stripe 7's repulsion effect, because the 16 lateral walls of magnetic path closely laminates with 11 inner walls of mounting box, and magnetic path 16 all is the rectangle structure with the cross-section of mounting box 11, so magnetic path 16 can make second lead screw 12 take place to rotate when removing.

The one-way bearing 15 can freely rotate in one direction, and is a dead bearing locked in the other direction, when the magnetic block 16 moves to drive the second lead screw 12 to rotate, the second lead screw 12 drives the first sleeve 13 to rotate through the dead one-way bearing 15, the first sleeve 13 drives the second sleeve 14 and the first lead screw 8 to rotate through the synchronous belt when rotating, when the magnetic strip 7 is far away from the magnetic block 16, the magnetic block 16 can move leftwards under the elastic force of the spring and drive the second lead screw 12 to reversely rotate, because the one-way bearing 15 can freely rotate at the moment, the second lead screw 12 rotates without driving the first sleeve 13 to rotate, when the magnetic strip 7 is close to the magnetic block 16 again, the second lead screw 12 can drive the one-way bearing 15 and the first sleeve 13 to rotate again, and based on the process, the second lead screw 12 can drive the first lead screw 8 to continuously rotate along with the rotation of the plurality of fan blades 6.

Because the first screw rod 8 is a bidirectional screw rod, when the first screw rod 8 rotates, the movable plate 18 and the connecting block 17 do not rotate, so that the connecting block 17 and the movable plate 18 can only reciprocate along the first screw rod 8, under the attraction effect of the movable plate 18 on the water scraping head 21 positioned above, the movable plate 18 can drive the upper water scraping head 21 to move, the upper water scraping head 21 drives the lower water scraping head 21 to move through the connecting rod 22, in the reciprocating movement process of the two water scraping heads 21, the water scraping sheets can scrape water films attached to the inner wall of the condensation pipe 2, water beads can be formed after the surfaces of the water films are damaged, and the water films are gathered in the collection box to be recycled.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the technical essence of the invention are still within the protection scope of the technical solution of the invention.

Claims

1. The deuterium gas generator heavy water recovery device is characterized by comprising a collecting box (3), a cooling box (1) and a condensing tube (2), wherein the cooling box (1) is fixedly arranged on the top surface of the collecting box (3), the condensing tube (2) is horizontally arranged in the cooling box (1) in a penetrating manner, the condensing tube (2) is communicated with the collecting box (3) through a liquid collecting tube (4), the cooling box (1) is connected with a heat exchanger (10) through a circulating pump (9), a scraping mechanism for scraping a liquid droplet water film formed after condensation on the inner wall of the condensing tube (2) is arranged on the condensing tube (2), and a driving mechanism for driving the scraping mechanism to operate is arranged in the cooling box (1);

the driving mechanism comprises a motor (5), a first lead screw (8), a connecting block (17) and a mounting box (11), the first lead screw (8) is horizontally installed in a cooling box (1) in a rotating mode, the first lead screw (8) is located right above a condenser pipe (2), the connecting block (17) is in threaded connection with the first lead screw (8), the motor (5) is fixedly installed on the top surface of the cooling box (1), an output rotating shaft of the motor (5) extends into the cooling box (1), a plurality of fan blades (6) are arranged on the side wall of the output rotating shaft of the motor (5) in a circle at equal distance, a magnetic strip (7) is arranged on one fan blade (6), the mounting box (11) is fixedly arranged on the inner wall of the cooling box (1), a second lead screw (12) is installed in the mounting box (11) in a rotating mode, a magnetic block (16) is in threaded connection with the second lead screw (12), a spring is arranged between the end of the magnetic block (16) and one side face of the mounting box (11), an one-way lead screw (12) is provided with an one-way fixing bearing (15), a first sleeve (13) is connected with a first synchronous belt (13), the first screw rod (8) is a bidirectional screw rod; a moving plate (18) is fixedly connected to the lower side of the connecting block (17), the moving plate (18) is in sliding fit with the side wall of the condensation pipe (2), and the moving plate (18) is made of a magnetic material; the scraping mechanism comprises two sliding rods (20) and two scraping water heads (21), two ends of each sliding rod (20) are connected to the inner wall of the condensation pipe (2) through fixing plates (19), the two sliding rods (20) are arranged up and down oppositely, the two scraping water heads (21) are respectively connected to the sliding rods (20) in a sliding mode, the two scraping water heads (21) are connected through connecting rods (22), and the scraping water heads (21) are made of metal materials capable of being attracted by the moving plate (18) to move synchronously.

2. Heavy water recovery device of deuterium gas generator according to claim 1, characterized in that the side walls of the magnet (16) are in close contact with the inner wall of the mounting box (11), and the magnet (16) and the mounting box (11) are rectangular in cross section.

3. Deuterium gas generator heavy water recovery device according to claim 1, characterized in that said wiper head (21) is provided with wiper blades adapted to the shape of the inner wall of the condenser tube (2), said wiper blades fitting the inner wall of the condenser tube (2).