CN220656972U

CN220656972U - Activated carbon box

Info

Publication number: CN220656972U
Application number: CN202322314911.9U
Authority: CN
Inventors: 黄昊; 张涛; 王国锋; 傅军伟
Original assignee: Tianhong Environmental Technology Co ltd
Current assignee: Tianhong Environmental Technology Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-26
Anticipated expiration: 2033-08-28

Abstract

An active carbon box belongs to the technical field of adsorption equipment. The temperature detection module is arranged in the box body, the air jet of the gas spraying component stretches into the box body, the air jet is arranged on the air inlet side of the activated carbon filter, the high-pressure exhaust component is communicated with the inner cavity of the box body, the high-pressure exhaust component is arranged on the exhaust side of the activated carbon filter, the signal output end of the temperature detection module is connected with the control device, the signal output end of the control device is connected with the gas spraying component, and the control device is also connected with the alarm; the gas sprayed by the gas spraying component is carbon dioxide or nitrogen. The active carbon box can avoid burning of active carbon, and the alarm gives an alarm at the same time, so that workers can be prompted to detect the active carbon box, and fire disaster is avoided; the high-pressure exhaust assembly can realize exhaust when the activated carbon burns and the pressure in the box body rises, so that explosion accidents caused by overhigh pressure in the box body can be avoided.

Description

Activated carbon box

Technical Field

An active carbon box belongs to the technical field of adsorption equipment.

Background

The activated carbon adsorption box is an environment-friendly mechanical commodity for filtering waste gas and adsorbing odor, the equipment is a high-strength adsorption level of activated carbon with high adsorption availability of clean organic chemical waste gas with higher concentration and spraying waste gas, when the waste gas is increased in power by a centrifugal fan, negative pressure enters the adsorption box and then enters an activated carbon adsorption layer, and the equipment has very good adsorption effect on the waste gas of organic solution.

Along with the improvement of the national environmental protection requirement, the flue gas of the current enterprises can reach the emission standard after being subjected to desulfurization and denitrification treatment and being adsorbed by an activated carbon box. At present, when the flue gas is adsorbed through the activated carbon box, the following problems mainly exist: because the temperature of flue gas is higher, the problem that activated carbon burns can appear, because activated carbon wholly is located the activated carbon case and connects the chimney, and the activated carbon is difficult to perceive when burning, only can observe after the discovery open flame, has great potential safety hazard.

Disclosure of Invention

The utility model aims to solve the technical problems that: the utility model provides a overcome prior art's not enough, provides a can detect the temperature in the box to jet air in the box when the temperature is too high in the box temperature, in order to avoid the active carbon burning and appear the active carbon case of open flame.

The technical scheme adopted for solving the technical problems is as follows: the active carbon box comprises a box body, an active carbon filter arranged in the box body, a temperature detection module, a gas spraying component, a high-pressure exhaust component and a control device, wherein the temperature detection module is arranged in the box body, a gas spraying port of the gas spraying component stretches into the box body, the gas spraying port is arranged on the air inlet side of the active carbon filter, the high-pressure exhaust component is communicated with the inner cavity of the box body, the high-pressure exhaust component is arranged on the air exhaust side of the active carbon filter, a signal output end of the temperature detection module is connected with the control device, a signal output end of the control device is connected with the gas spraying component, and the control device is also connected with an alarm;

the gas sprayed by the gas spraying component is carbon dioxide or nitrogen.

Preferably, the air nozzles are arranged at intervals around the air inlet of the box body.

Preferably, the gas spraying assembly comprises an input pipe, electromagnetic valves and nozzles, the nozzles are arranged around the air inlet of the box body, the output ends of the input pipe are simultaneously communicated with the nozzles, and the electromagnetic valves are arranged on the input pipe.

Preferably, the nozzle comprises a connecting pipe, an air ejector and a partition plate, wherein the output end of the connecting pipe is connected with the input end of the air ejector, the diameter of the output end of the air ejector is gradually increased along the air flow direction, the partition plate is arranged in the air ejector and divides the inner cavity of the air ejector into a cooling air flow channel and a wind curtain flow channel, and one end of the partition plate extends out of the air outlet end of the air ejector and bends downwards to form a vertical air guide part.

Preferably, the high-pressure exhaust assembly comprises an exhaust barrel, a sealing column and a sealing spring, wherein two ends of the exhaust barrel are all open, the input end of the exhaust barrel extends into an exhaust port of the box body, an annular table is arranged on the inner wall of the input end of the annular exhaust barrel, the sealing column and the sealing spring are all arranged in the exhaust barrel, the sealing column is arranged at the air outlet end of the annular table, the sealing spring is connected with the sealing column, and the sealing column is pushed to seal the inner cavity of the annular table.

Preferably, the high-pressure exhaust assembly further comprises a guide shaft and a cover plate, the cover plate is arranged at the air outlet end of the exhaust barrel and seals the air outlet end, an exhaust hole is formed in the side portion of the exhaust barrel, one end of the guide shaft slidably penetrates through the cover plate and is fixedly connected with the sealing column, and the other end of the guide shaft is located outside the exhaust barrel.

Preferably, the high-pressure exhaust assembly further comprises a protective cover, wherein the protective cover is detachably connected with the cover plate and covers the outer end of the guide shaft.

Preferably, one end of the sealing column, which is close to the annular table, is in a spherical shape with an outwards convex middle part.

Compared with the prior art, the utility model has the following beneficial effects:

the temperature detection module of the activated carbon box can detect the temperature of the box body in real time, when the temperature in the box body exceeds a set value, the control device controls the gas spraying component to work, and carbon dioxide and nitrogen are sprayed into the box body, so that the temperature in the box body can be reduced, the activated carbon filter can be isolated from air, the activated carbon is prevented from being burnt, and meanwhile, the alarm gives an alarm, and a worker can be prompted to detect the activated carbon box so as to avoid fire; the high-pressure exhaust assembly can realize exhaust when the activated carbon burns and the pressure in the box body is too high, so that explosion accidents caused by the too high pressure in the box body can be avoided.

Drawings

FIG. 1 is a schematic front cross-sectional view of an activated carbon tank.

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

FIG. 3 is a partial enlarged view at B in FIG. 1;

fig. 4 is a schematic front cross-sectional view of a nozzle.

In the figure: 1. a case; 2. an activated carbon filter; 3. an air inlet cylinder; 4. an air outlet tube; 5. an annular tube; 6. a nozzle; 601. a connecting pipe; 602. a gas lance; 603. a cooling air flow passage; 604. a partition plate; 605. an air curtain runner; 606. an air guide part; 7. an input tube; 8. an electromagnetic valve; 9. an internal temperature sensor; 10. an external temperature sensor; 11. an exhaust pipe; 1101. an exhaust hole; 12. a protective cover; 13. angle steel; 14. an annular table; 15. a sealing column; 16. a seal spring; 17. a guide shaft; 18. a disc; 19. a cover plate; 1901. and a connecting part.

Detailed Description

The present utility model will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the utility model is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.

FIGS. 1-4 illustrate preferred embodiments of the present utility model, and the present utility model will be further described with reference to FIGS. 1-4.

The active carbon box comprises a box body 1, an active carbon filter 2 arranged in the box body 1, a temperature detection module, a gas spraying component, a high-pressure exhaust component and a control device, wherein the temperature detection module is arranged in the box body 1, a gas spraying port of the gas spraying component stretches into the box body 1, the gas spraying port is arranged on the air inlet side of the active carbon filter 2, the high-pressure exhaust component is communicated with an inner cavity of the box body 1, the high-pressure exhaust component is arranged on the air exhaust side of the active carbon filter 2, a signal output end of the temperature detection module is connected with the control device, a signal output end of the control device is connected with the gas spraying component, and the control device is also connected with an alarm; the gas sprayed by the gas spraying component is carbon dioxide or nitrogen. The temperature detection module of the activated carbon box can detect the temperature of the box body 1 in real time, when the temperature in the box body 1 exceeds a set value, the control device controls the gas spraying component to work, and carbon dioxide and nitrogen are sprayed into the box body 1, so that the temperature in the box body 1 can be reduced, the activated carbon filter 2 can be isolated from air, the activated carbon is prevented from being burnt, an alarm is given out, and an operator can be prompted to detect the activated carbon box so as to avoid fire; the high-pressure exhaust assembly can realize exhaust when the activated carbon burns and the pressure in the box body is too high, so as to avoid explosion accidents caused by the too high pressure in the box body 1.

Specific: as shown in fig. 1-3, the box 1 is a square cylinder, two ends of the box 1 are provided with transition cylinders gradually tapering from inside to outside, the left end of the box 1 is connected with an air inlet cylinder 3, the right end of the box 1 is connected with an air outlet cylinder 4, the air inlet cylinder 3 is used for inputting smoke, and the air outlet cylinder 4 is used for discharging the smoke adsorbed by the activated carbon filter 2.

The activated carbon filter 2 is installed in the case 1, and in this embodiment, the activated carbon filter 2 is drawn to facilitate replacement of the activated carbon filter 2. The top and the bottom of box 1 all are provided with the guide way, and the top and the bottom of active carbon filter 2 set up respectively in the guide way to make things convenient for the installation of active carbon filter 2. The activated carbon filters 2 are arranged in parallel and at intervals along the longitudinal direction of the case 1, and in this embodiment, the activated carbon filters 2 are arranged in parallel and at intervals of three.

The structure of the guide groove at the top of the case 1 is the same as that of the guide groove at the bottom of the case 1, and in this embodiment, the guide groove at the bottom of the case 1 is taken as an example to explain the structure of the guide groove.

The bottom of the box body 1 is provided with angle steels 13, the angle steels 13 are arranged two at intervals along the width direction of the box body 1, the horizontal part of each angle steel is fixedly connected with the inner wall of the box body 1, the vertical parts of each angle steel 13 are adjacently arranged, and a guide groove is formed between the vertical parts of the two angle steels 13.

In this embodiment, the temperature detection module is a temperature sensor, the control device is a PLC controller, the temperature sensor includes an inner temperature sensor 9 and an outer temperature sensor 10, the inner temperature sensor 9 is disposed on the upper side of the case 1, and the detection portion of the inner temperature sensor 9 extends into the case 1. The outer temperature sensor 10 is installed at the lower side of the air outlet tube 4, and the detection part of the outer temperature sensor 10 extends into the air outlet tube 4. The signal output ends of the inner temperature sensor 9 and the outer temperature sensor 10 are connected with the PLC controller so as to upload detected signals to the PLC controller. The signal output end of the PLC is also connected with an alarm, and in the embodiment, the alarm is an alarm.

The gas spraying component comprises a nozzle 6, an annular pipe 5, an input pipe 7 and an electromagnetic valve 8, wherein the annular pipe 5 is arranged around a transition cylinder on the air inlet side of the box body 1, a gas spraying port of the nozzle 6 penetrates through the transition cylinder on the air inlet side and stretches into the transition cylinder, a plurality of nozzles 6 are arranged around the transition cylinder at intervals, air inlets of the nozzles 6 are communicated with the annular pipe 5, the input pipe 7 is communicated with the annular pipe 5, the electromagnetic valve 8 is arranged on the input pipe 7, and a signal output end of the PLC is connected with the electromagnetic valve 8 and controls the electromagnetic valve 8 to be opened or closed.

When the temperature detected by the inner temperature sensor 9 or the outer temperature sensor 10 reaches a specified value, typically 85 ℃, the electromagnetic valve 8 is opened, and carbon dioxide gas or nitrogen gas is sprayed into the tank body through the nozzle 6 to cool the activated carbon filter 2 in the tank body 1, and the activated carbon filter 2 can also isolate air.

In this embodiment, the high-pressure exhaust assembly is disposed on the upper side of the air outlet tube 4 to avoid dust sedimentation in the flue gas.

The high pressure exhaust assembly includes an exhaust stack 11, a shield 12, a seal post 15, a guide shaft 17, a cover plate 19, and a seal spring 16.

The exhaust barrel 11 is a cylinder with two open ends, the exhaust barrel 11 is vertically arranged on the upper side of the air outlet barrel 4, and the lower end of the exhaust barrel 11 extends into the air outlet barrel 4 and is communicated with the inner cavity of the air outlet barrel 4. The cover plate 19 is provided on the upper side of the exhaust drum 11 and closes the upper end of the exhaust drum 11. A plurality of exhaust holes 1101 are provided on the side of the exhaust pipe 11, and the exhaust holes 1101 communicate the inner chamber of the exhaust pipe 11 with the atmosphere.

An annular table 14 is arranged around the inner wall of the lower end of the exhaust funnel 11, a sealing column 15 is arranged on the upper side of the annular table 14, the bottom of the sealing column 15 is in a spherical shape with a convex middle part downwards, a guide shaft 17 is vertically arranged, and the lower end of the guide shaft 17 slidably penetrates through a cover plate 19 and is fixedly connected with the sealing column 15. A disc 18 is fixed at the upper end of the guide shaft 17, and the disc 18 facilitates the manual pulling of the guide shaft 17 to detect the high-pressure exhaust assembly.

The sealing spring 16 is positioned in the exhaust barrel 11, the sealing spring 16 is sleeved outside the guide shaft 17, the sealing spring 16 is in a compressed state, the upper end of the sealing spring 16 is supported on the end cover 19, the lower end of the sealing spring is supported on the sealing post 15, and the sealing post 15 is pushed to move downwards, so that the lower part of the sealing post 15 stretches into the annular table 14 to seal the annular table 14.

When the pressure in the case 1 increases due to the combustion of the activated carbon filter 2 in the case 1, the high-pressure gas pushes the sealing column 15 to overcome the elastic force of the sealing spring 16 and move upwards, and opens the inner cavity of the annular table 14, and at this time, the gas in the air outlet tube 4 is discharged through the air outlet hole 1101 on the air outlet tube 11 to assist the air outlet tube 4 in exhausting, so as to avoid the excessive pressure in the case 1.

An annular connecting part 1901 is arranged on the upper side of the end cover 19, the protective cover 12 is a cylinder with a closed top, and the protective cover 12 is in threaded connection with the connecting part 1901 so as to cover the upper end of the guide shaft 17 together with the disc 18, thereby avoiding the guide shaft 17 from moving upwards accidentally to open the annular table 14.

As shown in fig. 4: the nozzle 6 includes a connection pipe 601, an air lance 602, and a diaphragm 604. The air inlet end of the connecting pipe 601 is communicated with the annular pipe 5, the air outlet end of the connecting pipe 601 is connected with the air inlet end of the air injection pipe 602, and the diameter of the air outlet end of the air injection pipe 602 is gradually increased along the air flow direction. The partition plate 604 is disposed in the gas lance 602, the partition plate 604 can divide the inner cavity of the gas lance 602 into an upper cooling air flow channel 603 and a lower air curtain flow channel 605, the lower part of the partition plate 604 is bent downward to form an air guide part 606, and the air guide part 606 can enable the gas discharged from the air curtain flow channel 605 to flow downward and disperse and spray the gas of the cooling air flow channel 603.

The cooling air sprayed from the cooling air flow channel 603 can be directly sprayed into the box body 1, so that the temperature of the box body 1 is reduced, and the activated carbon filter 2 can be isolated from air. The air sprayed from each air curtain runner 605 can form an air curtain to cool the flue gas entering through the air inlet pipe 3 and can also block the flue gas from entering.

When the active carbon box works, when the temperature detected by the inner temperature sensor 9 or the outer temperature sensor 10 exceeds the set temperature, which is generally 85 ℃, the electromagnetic valve 8 is opened, and carbon dioxide or nitrogen is sprayed into the box body 1 at the moment so as to cool the active carbon filter 2, and the active carbon filter 2 can isolate air.

When the pressure in the box body 1 is excessive, the sealing column 15 can move upwards against the elastic force of the sealing spring 16 and open the annular table 14, and the exhaust tube 11 assists the air outlet tube 4 in exhausting so as to avoid the excessive pressure in the box body 1.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides an active carbon case, includes box (1) and sets up active carbon filter (2) in box (1), its characterized in that: the device comprises a box body (1), a gas spraying component, a high-pressure exhaust component and a control device, wherein the temperature detection module is arranged in the box body (1), a gas spraying port of the gas spraying component extends into the box body (1), the gas spraying port is arranged on the air inlet side of an activated carbon filter (2), the high-pressure exhaust component is communicated with an inner cavity of the box body (1), the high-pressure exhaust component is arranged on the air exhaust side of the activated carbon filter (2), a signal output end of the temperature detection module is connected with the control device, a signal output end of the control device is connected with the gas spraying component, and the control device is also connected with an alarm;

the gas sprayed by the gas spraying component is carbon dioxide or nitrogen.

2. An activated carbon container as in claim 1, wherein: the air nozzles are arranged at intervals around the air inlet of the box body (1).

3. An activated carbon container as in claim 1, wherein: the gas spraying assembly comprises an input pipe (7), electromagnetic valves (8) and nozzles (6), the nozzles (6) are arranged around the air inlet of the box body (1), the output ends of the input pipe (7) are simultaneously communicated with the nozzles (6), and the electromagnetic valves (8) are arranged on the input pipe (7).

4. An activated carbon container as in claim 3, wherein: the nozzle (6) comprises a connecting pipe (601), an air jet pipe (602) and a partition plate (604), wherein the output end of the connecting pipe (601) is connected with the input end of the air jet pipe (602), the diameter of the output end of the air jet pipe (602) is gradually increased along the air flow direction, the partition plate (604) is arranged in the air jet pipe (602) and divides the inner cavity of the air jet pipe (602) into a cooling air flow channel (603) and a wind curtain flow channel (605), and one end of the partition plate (604) extends out of the air outlet end of the air jet pipe (602) and bends downwards to form a vertical air guide part (606).

5. An activated carbon container as in claim 1, wherein: the high-pressure exhaust assembly comprises an exhaust barrel (11), a sealing column (15) and a sealing spring (16), wherein both ends of the exhaust barrel (11) are all open, the input end of the exhaust barrel (11) stretches into an exhaust port of the box body (1), an annular table (14) is arranged on the inner wall of the input end of the annular exhaust barrel (11), the sealing column (15) and the sealing spring (16) are arranged in the exhaust barrel (11), the sealing column (15) is arranged at the air outlet end of the annular table (14), the sealing spring (16) is connected with the sealing column (15), and the sealing column (15) is pushed to seal the inner cavity of the annular table (14).

6. An activated carbon container as in claim 5, wherein: the high-pressure exhaust assembly further comprises a guide shaft (17) and a cover plate (19), the cover plate (19) is arranged at the air outlet end of the exhaust barrel (11) and seals the air outlet end, an exhaust hole (1101) is formed in the side portion of the exhaust barrel (11), one end of the guide shaft (17) slidably penetrates through the cover plate (19) and is fixedly connected with the sealing column (15), and the other end of the guide shaft (17) is located outside the exhaust barrel (11).

7. An activated carbon container as in claim 6, wherein: the high-pressure exhaust assembly further comprises a protective cover (12), wherein the protective cover (12) is detachably connected with the cover plate (19) and covers the outer end of the guide shaft (17) inside.

8. An activated carbon container as in claim 5, wherein: one end of the sealing column (15) close to the annular table (14) is in a spherical shape with the middle part protruding outwards.