CN212440793U

CN212440793U - Membrane group device for efficient heavy water recovery

Info

Publication number: CN212440793U
Application number: CN202020720495.6U
Authority: CN
Inventors: 熊刚
Original assignee: Suzhou Huaxinda Drink Technology Co ltd
Current assignee: Suzhou Huaxinda Drink Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-02-02
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a membrane module device for high-efficiency heavy water recovery, which comprises a box body and a reverse osmosis membrane module, wherein a vent pipe is arranged above the surface of the box body in a penetrating way, a plurality of leak holes are arranged at the bottom of the vent pipe and inside the box body, a baffle plate is bolted above the inner cavity of the box body, and an air cooler is arranged on the right side of the box body; the utility model discloses a set up the box, the reverse osmosis membrane group, the breather pipe, the small opening, a separation plate, the air-cooler, the house steward, the aspiration pump, the conveyer pipe, water pump and air exit, make the device can liquefy heavy water gas at the recovery process, it makes heavy water get into follow-up processing facility with liquid, be favorable to going on of follow-up recovery operation, and promote the efficiency of retrieving the operation, it only can retrieve the saving with gaseous form to heavy water gas to have solved some current recovery unit, heavy water gets into follow-up processing facility with gaseous form, be unfavorable for the problem of going on of follow-up recovery operation.

Description

Membrane group device for efficient heavy water recovery

Technical Field

The utility model relates to a recovery plant technical field specifically is a membrane group device for high-efficient heavy water is retrieved.

Background

A heavy water reactor, an important type of nuclear power plant, is a nuclear reactor using heavy water as a moderator, in which during the normal operation of the reactor, some of the heavy water leaks out of the system pipeline from the nuclear island, and then the heavy water is volatilized to change the nearby air into heavy water gas containing radioactivity, which causes serious pollution and harm to human health, so that the recovery of the heavy water gas becomes very important.

Some existing recovery devices can only recover and store heavy water gas in a gas form, the heavy water gas enters a subsequent treatment facility in a gas form, subsequent recovery operation is not facilitated, efficiency of recovery operation is affected, and therefore the membrane group device can liquefy the heavy water gas in a recovery process and is beneficial to efficient heavy water recovery of the subsequent recovery operation to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane group device for high-efficient heavy water is retrieved to it only can retrieve the problem of saving with gaseous form to heavy water gas to propose some current recovery unit in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a membrane module device for high-efficiency heavy water recovery comprises a box body and a reverse osmosis membrane module, wherein a vent pipe is arranged above the surface of the box body in a penetrating way, a plurality of leak holes are arranged at the bottom of the vent pipe and inside the box body, a baffle plate is bolted above the inner cavity of the box body, an air cooler is arranged on the right side of the box body, a main pipe is connected to the right side of the air cooler, one end of the main pipe, far away from the air cooler, penetrates into the box body and is communicated with an air outlet, a first valve and an air pump are respectively arranged on the surface of the breather pipe and on the right side of the box body, a second valve is arranged on the surface of the breather pipe and on the left side of the box body, a delivery pipe is communicated with the lower part of the back surface of the box body, and the one end and the reverse osmosis membrane group interconnect of box are kept away from to the conveyer pipe, water pump and solenoid valve are installed respectively to the surface of conveyer pipe, the top of air-cooler is provided with air inlet mechanism.

Preferably, air inlet mechanism includes intake pipe, casing, ventilation blower and first filter screen board, the right side and the breather pipe intercommunication of casing, the inside at the casing is all installed to ventilation blower and first filter screen board, the intake pipe communicates with each other with the left side of casing.

Preferably, the top of the air cooler is bolted with a support rod, and the top of the support rod is bolted with the bottom of the shell.

Preferably, temperature sensors are mounted above the inner cavity of the box body and on the top of the partition plate, and a ventilating fan is embedded behind the inner cavity of the box body and is matched with the temperature sensors for use.

Preferably, the left side and the right side below the inner cavity of the box body are respectively bolted with a connecting block, and the top of each connecting block is bolted with a second filter screen plate.

Preferably, the left side and the right side of the bottom of the inner cavity of the box body are respectively bolted with a slope, and the included angle between the slope and the horizontal plane is 30-50 degrees.

Preferably, the vent pipe and the partition plate are made of heat conducting materials, and the top of the vent pipe is tightly attached to the bottom of the partition plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the box body, the reverse osmosis membrane group, the vent pipe, the leakage hole, the partition plate, the air cooler, the header pipe, the air suction pump, the conveying pipe, the water pump and the air outlet, the device can liquefy heavy water gas in the recovery process, the heavy water enters a subsequent treatment facility in a liquid state, the subsequent recovery operation is facilitated, the efficiency of the recovery operation is improved, and the problems that the existing recovery devices can only recover and store the heavy water gas in a gas form, the heavy water enters the subsequent treatment facility in a gas form and the subsequent recovery operation is not facilitated are solved;

(2) the air inlet pipe, the shell, the ventilator and the first filter screen plate are arranged, so that the effect of throwing heavy water gas into the ventilating pipe is realized, the heavy water gas can enter the box body at an accelerated speed, meanwhile, the first filter screen plate can filter some impurities in the heavy water gas, the shell can be supported by the support rod, the stability of the shell is improved, the temperature sensor and the ventilator are arranged, when the temperature sensor detects that the temperature of cold air above the partition plate begins to rise, in order to avoid influencing the liquefaction effect of the heavy water gas, the ventilator can be started to discharge the cold air to the outer side of the box body, and then the air cooler is started to throw new cold air into the box body;

(3) through setting up connecting block and second filter screen board, realize carrying out filterable effect to the heavy water after the liquefaction, through setting up the slope, the heavy water after the liquefaction of being convenient for is trickled to conveyer pipe department, is the heat conduction material through design breather pipe and baffle and makes, increases the heat conduction effect of breather pipe and baffle for promote the liquefied efficiency of heavy water gas.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a front sectional view of the structure of the housing of the present invention;

fig. 5 is a schematic perspective view of a second screen plate according to the present invention.

In the figure: 1. a box body; 2. a reverse osmosis membrane group; 3. a breather pipe; 4. a leak hole; 5. a partition plate; 6. an air cooler; 7. a header pipe; 8. a first valve; 9. an air pump; 10. a second valve; 11. a delivery pipe; 12. an electromagnetic valve; 13. a water pump; 14. an air intake mechanism; 141. an air inlet pipe; 142. a housing; 143. a ventilator; 144. a first screen plate; 15. a support bar; 16. a temperature sensor; 17. a ventilator; 18. connecting blocks; 19. a second screen plate; 20. a slope; 21. an air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a membrane group device for efficient heavy water recovery comprises a box body 1 and a reverse osmosis membrane group 2, wherein a vent pipe 3 is arranged above the surface of the box body 1 in a penetrating manner, a plurality of leakage holes 4 are formed in the bottom of the vent pipe 3 and positioned in the box body 1, a partition plate 5 is bolted above the inner cavity of the box body 1, an air cooler 6 is arranged on the right side of the box body 1, a header pipe 7 is connected to the right side of the air cooler 6, one end, away from the air cooler 6, of the header pipe 7 penetrates into the box body 1 and is communicated with an air outlet 21, a first valve 8 and an air suction pump 9 are respectively arranged on the surface of the vent pipe 3 and positioned on the right side of the box body 1, a second valve 10 is arranged on the surface of the vent pipe 3 and positioned on the left side of the box body 1, a delivery pipe 11 is communicated below the back of the box body 1, one end, away from the box, an air inlet mechanism 14 is arranged above the air cooler 6; through setting up box 1, reverse osmosis membrane group 2, breather pipe 3, leak hole 4, baffle 5, the air-cooler 6, house steward 7, aspiration pump 9, conveyer pipe 11, water pump 13 and air exit 21, make the device can liquefy heavy water gas at the recovery process, it makes heavy water get into follow-up processing facility with the liquid, be favorable to going on of follow-up recovery operation, and promote the efficiency of retrieving the operation, it only can retrieve the preservation with gaseous form to heavy water gas to have solved some current recovery unit, heavy water gets into follow-up processing facility with gaseous form, be unfavorable for the problem of going on of follow-up recovery operation.

Referring to fig. 1 and 4, the air intake mechanism 14 includes an air intake pipe 141, a housing 142, a ventilator 143, and a first screen plate 144, a right side of the housing 142 is communicated with the breather pipe 3, the ventilator 143 and the first screen plate 144 are both installed inside the housing 142, the air intake pipe 141 is communicated with a left side of the housing 142, and by providing the air intake pipe 141, the housing 142, the ventilator 143, and the first screen plate 144, an effect of throwing heavy water gas into the inside of the breather pipe 3 is achieved, so that the heavy water gas can be accelerated to enter the inside of the box body 1, and meanwhile, the first screen plate 144 can filter some impurities in the heavy water gas.

Referring to fig. 1, the top of the air cooler 6 is bolted with the support rod 15, and the top of the support rod 15 is bolted with the bottom of the housing 142, and by arranging the support rod 15, the housing 142 can be supported, so that the stability of the housing is improved.

Referring to fig. 1 and 3, temperature sensors 16 are mounted above an inner cavity of the box body 1 and on the top of the partition plate 5, a ventilation fan 17 is embedded behind the inner cavity of the box body 1, the ventilation fan 17 and the temperature sensors 16 are used in cooperation, by arranging the temperature sensors 16 and the ventilation fan 17, when the temperature sensors 16 detect that the temperature of the cold air above the partition plate 5 begins to rise, in order to avoid influencing the liquefaction effect of heavy water gas, the ventilation fan 17 can be opened to discharge the cold air to the outer side of the box body 1, and then the air cooler 6 is opened to throw new cold air into the box body 1.

Referring to fig. 1, the left side and the right side of the lower part of the inner cavity of the box body 1 are bolted with connecting blocks 18, the top of the connecting blocks 18 is bolted with a second filter screen plate 19, and the liquefied heavy water is filtered by arranging the connecting blocks 18 and the second filter screen plate 19.

Referring to fig. 1, slopes 20 are bolted on the left side and the right side of the bottom of the inner cavity of the box body 1, an included angle between each slope 20 and the horizontal plane is 30-50 degrees, and the slopes 20 are arranged, so that liquefied heavy water can flow to the conveying pipe 11 conveniently.

Referring to fig. 1, the vent pipe 3 and the partition plate 5 are made of heat conducting materials, and the top of the vent pipe 3 is tightly attached to the bottom of the partition plate 5, and the vent pipe 3 and the partition plate 5 are made of heat conducting materials, so that the heat conducting effect of the vent pipe 3 and the partition plate 5 is improved, and the liquefaction efficiency of the heavy water gas is improved.

The working principle is as follows: in operation, the air inlet pipe 141 of the device is installed near the heavy water facility, then the ventilator 143 is started to make heavy water gas enter the interior of the housing 142 through the air inlet pipe 141, then the second valve 10 is opened, then the heavy water gas enters the interior of the air vent pipe 3 through the ventilator 143 and the first filter screen plate 144, at the same time, the air cooler 6 is started to start to produce cold air and lead the cold air into the interior of the header pipe 7, then the cold air enters the interior of the box body 1 through the header pipe 7 and the air outlet 21, at this time, the heavy water gas in the interior of the air vent pipe 3 transfers heat to the surface of the partition plate 5, heat exchange is completed through cold air absorption, then the heavy water gas begins to be liquefied into heavy water when encountering cold, then the heavy water passes through the leakage hole 4 to reach the lower part of the inner cavity of the box body 1, when a certain amount of heavy water is accumulated below the inner cavity of the box body 1, the water pump 13 and the electromagnetic, the first valve 8 and the suction pump 9 are then opened to vent the residual gas in the vent line 3 out of the device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a membrane group device for high-efficient heavy water is retrieved, includes box (1) and reverse osmosis membrane group (2), its characterized in that: the air purifier is characterized in that a vent pipe (3) is arranged above the surface of the box body (1) in a penetrating manner, a plurality of leakage holes (4) are formed in the bottom of the vent pipe (3) and positioned in the box body (1), a partition plate (5) is bolted on the upper portion of the inner cavity of the box body (1), an air cooler (6) is arranged on the right side of the box body (1), a header pipe (7) is connected to the right side of the air cooler (6), one end, far away from the air cooler (6), of the header pipe (7) penetrates into the box body (1) and is communicated with an air outlet (21), a first valve (8) and an air pump (9) are respectively installed on the surface of the vent pipe (3) and positioned on the right side of the box body (1), a second valve (10) is installed on the surface of the vent pipe (3) and positioned on the left side of the box body (1), a delivery pipe (11) is communicated with the lower portion of the back of the box body, the surface of the conveying pipe (11) is respectively provided with a water pump (13) and an electromagnetic valve (12), and an air inlet mechanism (14) is arranged above the air cooler (6).

2. The membrane module apparatus for efficient heavy water recovery of claim 1, wherein: the air inlet mechanism (14) comprises an air inlet pipe (141), a shell (142), a ventilator (143) and a first filter screen plate (144), the right side of the shell (142) is communicated with the vent pipe (3), the ventilator (143) and the first filter screen plate (144) are both installed inside the shell (142), and the air inlet pipe (141) is communicated with the left side of the shell (142).

3. The membrane module apparatus for efficient heavy water recovery of claim 2, wherein: the top of the air cooler (6) is bolted with a support rod (15), and the top of the support rod (15) is bolted with the bottom of the shell (142).

4. The membrane module apparatus for efficient heavy water recovery of claim 1, wherein: temperature sensor (16) are all installed to the top of box (1) inner chamber and the top of baffle (5), scavenger fan (17) are inlayed to the rear of box (1) inner chamber, and scavenger fan (17) and temperature sensor (16) use of mutually supporting.

5. The membrane module apparatus for efficient heavy water recovery of claim 1, wherein: the left side and the right side below the inner cavity of the box body (1) are respectively bolted with a connecting block (18), and the top of the connecting block (18) is bolted with a second filter screen plate (19).

6. The membrane module apparatus for efficient heavy water recovery of claim 1, wherein: slopes (20) are bolted to the left side and the right side of the bottom of the inner cavity of the box body (1), and the included angle between each slope (20) and the horizontal plane is 30-50 degrees.

7. The membrane module apparatus for efficient heavy water recovery of claim 1, wherein: the ventilating pipe (3) and the partition plate (5) are made of heat conducting materials, and the top of the ventilating pipe (3) is tightly attached to the bottom of the partition plate (5).