CN217384340U

CN217384340U - Monitoring system of nuclear air purification dolly

Info

Publication number: CN217384340U
Application number: CN202221529641.2U
Authority: CN
Inventors: 苏冰野; 邬强; 邱兴明; 赵新新; 彭国强
Original assignee: Sichuan Beckhard Environmental Protection Technology Co ltd
Current assignee: Sichuan Beckhard Environmental Protection Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-09-06
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a monitoring system of nuclear air purification dolly, including the backup pad, the universal wheel is installed to the backup pad bottom, and the purification box is installed to the backup pad top, still includes row's bellows and control box, install the controller in the control box, from last arc aerofoil, high efficiency filter, iodine adsorber and centrifugal fan of having set gradually under to in the purification box, air intake department mid-mounting has air velocity transducer, and gamma dose rate probe is installed to high efficiency filter one side, install the heater in the wind channel of high efficiency filter and iodine adsorber, iodine adsorber bottom central point puts and installs temperature and humidity sensor, the controller is connected with air velocity transducer, gamma dose rate probe, heater and temperature and humidity sensor respectively. The utility model has the advantages of simple structure and reasonable design, can realize purifying the air that has iodine radiation, and purifying effect is good, and the power consumption is low, can carry out real-time supervision to the purification process simultaneously.

Description

Monitoring system of nuclear air purification dolly

Technical Field

The utility model belongs to nuclear air pollution clarification plant field, concretely relates to monitoring system of nuclear air purification dolly.

Background

At present to radioactive operation scene all can use nuclear air purification device, but present nuclear air purification device's wind path bend is more, causes the kinetic energy loss of intaking too big to purification efficiency is low, and current nuclear air purification device does not possess the absorption to radioactive iodine simultaneously, and does not monitor purifier's numerical value in the use, is not the purification condition of knowing purifier in real time.

Disclosure of Invention

The utility model aims to solve the technical problem that just not enough to above-mentioned prior art provides a monitoring system of nuclear air purification dolly, and it can carry out real-time supervision to the purification condition who purifies the dolly to guarantee to purify the purifying effect of dolly.

The utility model adopts the technical proposal that: a monitoring system of a nuclear air purification trolley comprises a supporting plate, universal wheels are installed at the bottom of the supporting plate, a purification box body is installed above the supporting plate, an air exhaust box and a control box are further included, a controller is installed in the control box, an air inlet is formed in one side of the top of the purification box body, an arc-shaped air plate corresponding to the air inlet is installed at the top in the purification box body, a high-efficiency filter and an iodine adsorber which are mutually communicated are sequentially and fixedly installed below the arc-shaped air plate in the purification box body, a centrifugal fan is fixedly installed at the inner bottom of the purification box body, an air outlet is formed in one side of the bottom of the purification box body, one end of the air outlet is located in the purification box body and connected with the centrifugal fan, the other end of the air outlet is located in the air exhaust box body and provided with an air outlet, one end of the air outlet is located outside the air exhaust box body, an air speed sensor is installed in the middle of the air inlet, and a gamma dose rate probe is installed on one side of the high-efficiency filter, the air flue of the high-efficiency filter and the iodine adsorber is internally provided with a heater, the central position of the bottom end of the iodine adsorber is provided with a temperature and humidity sensor, and the controller is respectively connected with the air speed sensor, the gamma dose rate probe, the heater and the temperature and humidity sensor.

Preferably, the intelligent control system further comprises a signal transmission module and an alarm module, the controller is connected with the alarm module through the signal transmission module, and the alarm module is installed in the control room.

The beneficial effects of the utility model reside in that:

(1) the air speed sensor is arranged, so that air volume data in the purification process can be monitored in real time, and the purification efficiency can be controlled conveniently;

(2) the gamma dose rate probe is arranged, so that the dose of the high-efficiency adsorption filter can be monitored in real time, and early warning is implemented after a critical value is exceeded;

(3) a temperature and humidity sensor is arranged at the rear end of the iodine adsorber, and the regeneration condition of the iodine adsorber can be shown through the temperature and humidity condition at the position;

(4) the arc-shaped wind plate is additionally arranged at the air inlet to play a role in guiding the air inlet flow, so that the air inlet flows downwards after passing through the arc-shaped wind plate, the wind resistance can be reduced, the wind energy loss of the air inlet flow is reduced, and the purification effect is improved;

(5) the iodine adsorber is additionally arranged and can be used for places with radioactive iodine, and the heater is arranged and can be used for heating after the iodine adsorber adsorbs a period of time to reduce and regenerate the activated carbon adsorbent, so that the cyclic use is realized.

The utility model has the advantages of simple structure and reasonable design, can realize purifying the air that has the iodine radiation, and purifying effect is good, and the power consumption is low, can carry out real-time supervision to purifying process simultaneously.

Drawings

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

FIG. 2 is a block diagram of the system of the present invention;

fig. 3 is an internal schematic view of the present invention.

In the figure: 1. a support plate; 2. a universal wheel; 3. purifying the box body; 4. an air inlet; 5. an arc-shaped wind plate; 6. a high efficiency filter; 7. an iodine adsorber; 8. a centrifugal fan; 9. an air outlet; 10. a heater; 11. an exhaust box; 12. an air outlet; 13. a control box; 14. a wind speed sensor; 15. a gamma dose rate probe; 16. temperature and humidity sensor.

Detailed Description

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

Examples

As shown in fig. 1, 2 and 3, the monitoring system of the nuclear air purification trolley provided by the embodiment includes a support plate 1, a plurality of universal wheels 2 uniformly distributed are arranged at the bottom of the support plate 1, a purification box body 3 and an exhaust box 11 are arranged on the support plate 1 side by side, a control box 13 is arranged at the top of the exhaust box 11, and a controller is installed in the control box 13;

an air inlet 4 is formed in one side, far away from an air exhaust box 11, of the top of the purification box body 3, a metal filter screen is installed at the position of the air inlet 4, an arc-shaped air plate 5 corresponding to the air inlet 4 is installed at the inner top of the purification box body 3, a high-efficiency filter 6 and an iodine adsorber 7 which are mutually communicated are sequentially arranged below the arc-shaped air plate 5, an inlet is formed in the top of the high-efficiency filter 6, an outlet communicated with the iodine adsorber 7 is formed in the bottom of the high-efficiency filter 6, a heater 10 is further installed on an air channel between the high-efficiency filter 6 and the iodine adsorber 7, a centrifugal fan 8 is fixedly installed at the inner bottom of the purification box body 3, and centers of the centrifugal fan 8, the iodine adsorber 7 and the high-efficiency filter 6 are located on the same vertical line, so that the attraction force generated by the centrifugal fan 8 is vertically downward; the middle of the air inlet 4 is provided with an air speed sensor 14, one side of the high-efficiency filter 6 is provided with a gamma dose rate probe 15, the center of the bottom end of the iodine adsorber 7 is provided with a temperature and humidity sensor 16, the air speed sensor 14 is used for monitoring the air quantity at the air inlet 4, the gamma dose rate probe 15 is used for monitoring the adsorption metering of the high-efficiency adsorption filter, and the temperature and humidity sensor 16 is used for monitoring the temperature and humidity conditions at the rear end of the iodine adsorber 7; the wind speed sensor 14, the gamma dose rate probe 15 and the temperature and humidity sensor 16 are respectively connected with a controller, and meanwhile, a signal transmission module and an alarm module are also installed, the controller is connected with the signal transmission module so as to transmit all data received by the controller to a control room, the alarm module in the control room is connected with the signal transmission module, and when the metering value monitored by the gamma dose rate probe 15 exceeds a critical value, the alarm module gives an early warning;

purify 3 bottom one side of box and exhaust 11 bottom one side of case and pass through air outlet 9 intercommunication, 9 one end of air outlet and centrifugal fan 8's exit linkage, the other end is connected with air exit 12, air exit 12 department also installs the metal filter screen.

The use process comprises the following steps: opening a centrifugal fan 8 to generate negative pressure, enabling air in the environment to enter a purification box body 3 through an air inlet 4, guiding the air through an arc-shaped air plate 5, moving downwards, firstly passing through a high-efficiency filter 6 for primary filtration, then passing through an iodine adsorber 7 for adsorption of radioactive iodine, finally discharging the air to an air outlet 12 through an air outlet 9, and discharging the air from the air outlet 12; after working for a period of time, the heater 10 is turned on, so that the adsorbent of the iodine adsorber 7 is reduced and regenerated, the adsorbent of the iodine adsorber 7 is generally activated carbon, and the adsorbent can be recycled after reduction and regeneration; after long-time adsorption, the radioactivity of radioactive iodine is weakened to reach the dischargeable standard, and the radioactive iodine is discharged along with air flow after the reduction and regeneration of the adsorbent.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a monitoring system of nuclear air purification dolly, includes backup pad (1), and universal wheel (2) are installed to backup pad (1) bottom, and purification box (3), its characterized in that are installed to backup pad (1) top: still include exhaust case (11) and control box (13), install the controller in control box (13), open top one side of purifying box (3) has air intake (4), and arc aerofoil (5) that correspond with air intake (4) are installed at the top in purifying box (3), there are high efficiency filter (6) and iodine adsorber (7) of mutual intercommunication in proper order fixed mounting below arc aerofoil (5) in purifying box (3), bottom fixed mounting has centrifugal fan (8) in purifying box (3), and purifying box (3) bottom one side is equipped with air outlet (9), and air outlet (9) one end is located and is connected with centrifugal fan (8) in purifying box (3), and the other end is located exhaust case (11) and installs air exit (12), and air exit (12) one end is located exhaust case (11) outside, air intake (4) department mid-mounting has air velocity transducer (14), gamma dose rate probe (15) are installed to high efficiency filter (6) one side, install heater (10) in high efficiency filter (6) and the wind channel of iodine adsorber (7), temperature and humidity sensor (16) are installed to iodine adsorber (7) bottom central point, the controller is connected with air velocity transducer (14), gamma dose rate probe (15), heater (10) and temperature and humidity sensor (16) respectively.

2. The monitoring system for the nuclear air purification cart of claim 1, wherein: the controller is connected with the alarm module through the signal transmission module, and the alarm module is installed in the control room.