CN221015196U

CN221015196U - Sludge drying waste gas treatment device

Info

Publication number: CN221015196U
Application number: CN202420859696.2U
Authority: CN
Inventors: 邬松柏; 刘茂雷
Original assignee: Sichuan Kuiqing Environmental Protection Technology Co ltd
Current assignee: Sichuan Kuiqing Environmental Protection Technology Co ltd
Priority date: 2024-04-24
Filing date: 2024-04-24
Publication date: 2024-05-28
Anticipated expiration: 2034-04-24

Abstract

The utility model relates to the field of sludge drying devices and discloses a sludge drying waste gas treatment device. The device comprises an exhaust gas filtering device, an exhaust gas purifying device, a sterilizing device and a control device which are sequentially arranged, wherein the exhaust gas filtering device comprises a filtering barrel, and a filtering component for filtering the exhaust gas is arranged in the filtering barrel; the filter assembly comprises a first filter screen, a second filter screen, a first active carbon plate and a second active carbon plate which are sequentially arranged from bottom to top; the waste gas purifying device comprises a purifying cylinder, a spraying component for spraying and purifying the filtered waste gas and a waste liquid recycling component, and the sterilizing device comprises a sterilizing pipe; the sludge drying waste gas treatment device not only removes dust from waste gas, but also sequentially purifies and disinfects the waste gas, thereby avoiding a large amount of organic volatile matters from being discharged into the air, protecting the living environment of people and ensuring the living health of people.

Description

Sludge drying waste gas treatment device

Technical Field

The utility model relates to the field of sludge drying devices, in particular to a sludge drying waste gas treatment device.

Background

Sludge is a solid precipitated material produced by water and sewage treatment processes. The sludge treatment is the processing process of concentrating, regulating, dehydrating, stabilizing, drying or incinerating the sludge. The sludge drying operation is conventionally carried out by adopting a sludge dryer. Exhaust gas containing dust, moisture and organic volatile matters, especially exhaust gas of the organic volatile matters, is generated in the sludge drying treatment process, and the exhaust gas has peculiar smell and also contains pollutant components. The traditional process only carries out dust removal treatment on the waste gas, so that a large amount of organic volatile matters are discharged into the air, the environment is polluted, and the life health of people is not facilitated.

The present inventors found that there are at least the following technical problems in the prior art:

In the prior art, sludge drying waste gas is treated, and only the waste gas is subjected to dust removal treatment, so that a large amount of organic volatile matters are discharged into the air, the environment is polluted, and the life health of people is not facilitated.

Disclosure of utility model

The utility model aims to provide a sludge drying waste gas treatment device, which is used for solving the technical problems that in the prior art, sludge drying waste gas is treated, only the waste gas is subjected to dust removal and dehumidification treatment, so that a large amount of organic volatile matters are discharged into the air, the environment is polluted, and the life health of people is not facilitated. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a sludge drying waste gas treatment device which comprises a sludge drying device, a waste gas filtering device, a waste gas purifying device, a sterilizing device and a control device which are sequentially arranged; wherein,

The waste gas filtering device comprises a filtering barrel, the top of the filtering barrel is connected with a first air outlet pipe, the bottom of the filtering barrel is connected with an air inlet pipe, the air inlet pipe is connected with an air outlet pipe of the sludge drying machine, and a filtering component for filtering waste gas is arranged in the filtering barrel; the filter assembly comprises a first filter screen, a second filter screen, a first active carbon plate and a second active carbon plate which are sequentially arranged from bottom to top;

The waste gas purifying device comprises a purifying cylinder, a spraying component for spraying and purifying the filtered waste gas and a waste liquid recycling component, wherein the top of the purifying cylinder is connected with a second air outlet pipe, and the first air outlet pipe is connected to the lower part of the purifying cylinder; the spray assembly comprises a purifying liquid tank for storing a medicament for purifying waste gas and a spray header pipe which is connected to the purifying liquid tank and extends into the purifying cylinder; the spray header pipe is connected with a spray pump and a spray valve, and the spray pump and the spray valve are both positioned on the outer side of the purifying cylinder; the spray header pipe is connected with a plurality of spray branch pipes, and each spray branch pipe is provided with a plurality of nozzles; the waste liquid recycling component comprises a waste liquid collecting box for collecting used medicaments, a liquid inlet pipe and a liquid outlet pipe are connected to the waste liquid collecting box, and the other end of the liquid inlet pipe is connected to the bottom of the purifying cylinder; the other end of the liquid outlet pipe is connected to the spray header pipe, the joint of the liquid outlet pipe and the spray header pipe is positioned at the liquid outlet side of the spray valve, and the liquid outlet pipe is connected with a liquid return pump;

The disinfection device comprises a disinfection tube, a disinfection component for disinfecting waste gas is arranged in the disinfection tube, the second air outlet tube is connected with the inlet end of the disinfection tube, the outlet end of the disinfection tube is connected with the third air outlet tube, and a gas detection sensor for monitoring whether the waste gas reaches the emission standard is further arranged on the third air outlet tube;

The spray header pipe is provided with a first liquid inlet valve, and the liquid outlet pipe is provided with a second liquid inlet valve;

an air inlet valve, an air outlet valve I, an air outlet valve II and an air outlet valve III are respectively arranged on the air inlet pipe, the air outlet pipe I, the air outlet pipe II and the air outlet pipe III;

The control device is electrically connected with the first liquid inlet valve, the second liquid inlet valve, the air inlet valve, the first air outlet valve, the second air outlet valve, the third air outlet valve and the gas detection sensor respectively.

Optionally or preferably, the first filter screen, the second filter screen, the first active carbon plate and the second active carbon plate are all movably connected in the filter cartridge body.

Optionally or preferably, the number of the spraying branch pipes is 3-6, and the spraying branch pipes are arranged in sequence from top to bottom in a spiral mode.

Optionally or preferably, a filter for filtering the used medicament is further connected to the liquid inlet pipe.

Optionally or preferably, the device further comprises an alarm device, and the alarm device is electrically connected with the control device.

Alternatively or preferably, the sterilizing assembly is a plurality of ultraviolet sterilizing lamps disposed in the sterilizing duct.

Alternatively or preferably, the control device is a PLC.

Based on the technical scheme, the embodiment of the utility model at least has the following technical effects:

In the sludge drying waste gas treatment device, waste gas enters a waste gas filtering device from an air inlet pipe; the waste gas filter device is arranged, and waste gas sequentially passes through the first filter screen, the second filter screen, the first active carbon plate and the second active carbon plate from bottom to top, so that small particulate matters such as dust in the waste gas can be filtered and adsorbed; then enters an exhaust gas purifying device; the waste gas purifying device is provided, the medicament for purifying waste gas enters the spray branch pipe through the spray header pipe, and then is sprayed out from the spray nozzle to purify the waste gas, and the specific medicament is selected and purified by using the corresponding medicament according to pollutants in the waste gas; the purified waste gas enters a disinfection device; the disinfection device can disinfect the purified waste gas through the disinfection component in the disinfection device, and can eliminate harmful germs in the waste gas; the gas detection sensor can detect whether the exhaust gas reaches the emission standard after being processed, the detected signal can be sent to the control device, the control device receives the signal and can obtain relevant content detection data of the exhaust gas, if the signal is within the set emission standard, normal emission is carried out, if the signal cannot reach the set emission standard, the control device controls the alarm device to give an alarm, shutdown treatment is carried out, maintenance personnel are required to carry out maintenance to check the reason that the exhaust gas treatment does not reach the standard, and after the exhaust gas is out, the purification treatment of the exhaust gas is continued. The sludge drying waste gas treatment device not only removes dust from waste gas, but also sequentially purifies and disinfects the waste gas, and can timely discover and treat the waste gas when the waste gas emission does not reach the standard, thereby avoiding a large amount of organic volatile matters from being discharged into the air, protecting the living environment of people and ensuring the living health of people.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of a purifying cylinder according to an embodiment of the present utility model;

FIG. 3 is a schematic illustration of the installation of a filter assembly in an embodiment of the utility model;

fig. 4 is a schematic view of the installation of a shower manifold in an embodiment of the present utility model.

In the figure: 1. a filter cylinder; 2. a purifying cylinder; 3. a sterilizing tube; 4. the first air outlet pipe is arranged; 5. an air inlet pipe; 6. a first filter screen; 7. a second filter screen; 8. an active carbon plate I; 9. an active carbon plate II; 10. the air outlet pipe II; 11. an ultraviolet sterilizing lamp; 12. a spray header; 13. a spray branch pipe; 14. a nozzle; 15. a spray pump; 16. a waste liquid collection box; 17. a purifying liquid tank; 18. a movable side plate; 19. a liquid inlet pipe; 20. a liquid outlet pipe; 21. a liquid return pump; 22. an air outlet pipe III; 23. a gas detection sensor; 24. a liquid inlet valve I; 25. a liquid inlet valve II; 26. an intake valve; 27. an air outlet valve I; 28; a second air outlet valve; 29. an air outlet valve III; 30. a filter; 31. a spray valve; 32. a clamping groove; 33. a clamping piece; 34. a fastener; 35. and (3) sealing rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

As shown in fig. 1-4:

The utility model provides a sludge drying waste gas treatment device, which comprises a waste gas filtering device, a waste gas purifying device, a sterilizing device and a control device which are sequentially arranged; wherein,

The waste gas filtering device comprises a filtering barrel body 1, wherein the top of the filtering barrel body 1 is connected with a first air outlet pipe 4, the bottom of the filtering barrel body 1 is connected with an air inlet pipe 5, the air inlet pipe 5 is connected with an air outlet pipe of a sludge drying machine, and a filtering component for filtering waste gas is arranged inside the filtering barrel body 1; the filter assembly comprises a first filter screen 6, a second filter screen 7, a first activated carbon plate 8 and a second activated carbon plate 9 which are sequentially arranged from bottom to top;

The waste gas purifying device comprises a purifying cylinder body 2, a spraying component for spraying and purifying the filtered waste gas and a waste liquid recycling component, wherein the top of the purifying cylinder body 2 is connected with a second air outlet pipe 10, and the first air outlet pipe 4 is connected to the lower part of the purifying cylinder body 2; the spray assembly comprises a purifying liquid tank 17 for storing a medicament for purifying waste gas and a spray header 12 which is connected to the purifying liquid tank 17 and extends into the purifying cylinder 2; the spray header 12 is connected with a spray pump 15 and a spray valve 31, and the spray pump 15 and the spray valve 31 are both positioned outside the purifying cylinder 2; the spray header 12 is connected with a plurality of spray branch pipes 13, and each spray branch pipe 13 is provided with a plurality of nozzles 14; the waste liquid recycling assembly comprises a waste liquid collecting box 16 for collecting used medicaments, wherein a liquid inlet pipe 19 and a liquid outlet pipe 20 are connected to the waste liquid collecting box 16, and the other end of the liquid inlet pipe 19 is connected to the bottom of the purifying cylinder 2; the other end of the liquid outlet pipe 20 is connected to the spray header 12, the connection part of the liquid outlet pipe 20 and the spray header 12 is positioned at the liquid outlet side of the spray valve 31, and the liquid return pump 21 is connected to the liquid outlet pipe 20;

The disinfection device comprises a disinfection tube 3, a disinfection component for disinfecting waste gas is arranged in the disinfection tube 3, the second air outlet pipe 10 is connected with the inlet end of the disinfection tube 3, the outlet end of the disinfection tube 3 is connected with the third air outlet pipe 22, and a gas detection sensor 23 for monitoring whether the waste gas reaches the emission standard is further arranged on the third air outlet pipe 22;

A first liquid inlet valve 24 is arranged on the spray header 12, and a second liquid inlet valve 25 is arranged on the liquid outlet pipe 20;

An air inlet valve 26, an air outlet valve 27, an air outlet valve 28 and an air outlet valve 29 are respectively arranged on the air inlet pipe 5, the air outlet pipe 4, the air outlet pipe 10 and the air outlet pipe 22;

The control device is electrically connected with the first liquid inlet valve 24, the second liquid inlet valve 25, the air inlet valve 26, the first air outlet valve 27, the second air outlet valve 28, the third air outlet valve 29 and the gas detection sensor 23 respectively. In the process of treating waste gas by the waste gas treatment device, the opening and closing of the first liquid inlet valve 24, the second liquid inlet valve 25, the air inlet valve 26, the first air outlet valve 27, the second air outlet valve 28 and the third air outlet valve 29 are controlled by the control device.

In the sludge drying waste gas treatment device, waste gas enters a waste gas filtering device from an air inlet pipe 5; the waste gas filter device is arranged, and waste gas sequentially passes through the first filter screen 6, the second filter screen 7, the first active carbon plate 8 and the second active carbon plate 9 from bottom to top for filtering and adsorbing small particulate matters such as dust in the waste gas; then enters an exhaust gas purifying device; the arranged waste gas purifying device is characterized in that a medicament for purifying waste gas enters a spray branch pipe 13 through a spray header pipe 12 and is sprayed out from a nozzle 14, the waste gas is purified, and the specific medicament is selected and purified by using the corresponding medicament according to pollutants in the waste gas; the purified waste gas enters a disinfection device; the disinfection device can disinfect the purified waste gas through the disinfection component in the disinfection device, and can eliminate harmful germs in the waste gas; the gas detection sensor 23 can detect whether the exhaust gas reaches the emission standard after being processed, the detected signal can be sent to the control device, the control device receives the signal and can obtain the related content detection data of the exhaust gas, if the signal is within the set emission standard, normal emission is carried out, if the signal cannot reach the set emission standard, the control device controls the alarm device to alarm, shutdown treatment is carried out, maintenance personnel are required to carry out maintenance to check the reason that the exhaust gas treatment does not reach the standard, and after the exhaust failure, the purification treatment of the exhaust gas is continued. The sludge drying waste gas treatment device not only removes dust from waste gas, but also sequentially purifies and disinfects the waste gas, and can timely discover and treat the waste gas when the waste gas emission does not reach the standard, thereby avoiding a large amount of organic volatile matters from being discharged into the air, protecting the living environment of people and ensuring the living health of people.

As an alternative embodiment, the first filter screen 6, the second filter screen 7, the first activated carbon plate 8 and the second activated carbon plate 9 are all movably connected in the filter cylinder 1. The waste gas is filtered by a first filter screen 6, a second filter screen 7, an active carbon plate 8 and an active carbon plate 9 from bottom to top in sequence;

As an alternative embodiment, the filter cylinder 1 has a rectangular parallelepiped shape with a top plate, a bottom plate, and four side plates; the four side plates include a movable side plate 18 and three fixed side plates; one side of the movable side plate 18 is hinged to one of the fixed side plates, the other side of the movable side plate 18 is movably connected to the other fixed side plate, for example, the clamping piece 33 and the fastener 34 are matched to be movably connected, the clamping piece 33 is arranged on the fixed side plate, the fastener 34 is arranged on the movable side plate 18, the positions of the clamping piece 33 and the fastener 34 are corresponding, the clamping piece 33 and the fastener 34 are selected, the movable connection is only needed, and the fastening effect can be achieved. Meanwhile, sealing rings 35 are arranged at the joints of the movable side plates 18 and the fixed side plates, the top plate and the bottom plate and used for sealing so as to prevent gas from escaping. The clamping grooves 32 for installing the first filter screen 6, the second filter screen 7, the first active carbon plate 8 and the second active carbon plate 9 are formed among the three fixed side plates, the top plate and the bottom plate, and the first filter screen 6, the second filter screen 7, the first active carbon plate 8 and the second active carbon plate 9 are respectively clamped in the corresponding clamping grooves 32. When the first filter screen 6, the second filter screen 7, the first active carbon plate 8 and the second active carbon plate 9 are required to be dismounted or mounted, the first filter screen 6, the second filter screen 7, the first active carbon plate 8 and the second active carbon plate 9 are only required to be dismounted, and are drawn out of the corresponding clamping grooves 32 or mounted into the corresponding clamping grooves 32, so that the first filter screen 6, the second filter screen 7, the first active carbon plate 8 and the second active carbon plate 9 can be dismounted or mounted conveniently and rapidly. Of course, the installation modes of the first filter screen 6, the second filter screen 7, the first activated carbon plate 8 and the second activated carbon plate 9 are not limited to the mode disclosed by the utility model, and other movable connection modes can be adopted.

As an alternative embodiment, the number of the spraying branch pipes 13 is 3-6, and the spraying branch pipes 13 are sequentially arranged in a spiral manner from top to bottom. In this embodiment, the number of the spray branches 13 is 6, and the spray branches are arranged in a spiral manner from top to bottom. The spray branch pipes 13 are arranged in a spiral manner from top to bottom, so that waste gas from bottom to top can be purified as much as possible, and the purification treatment is more thorough.

As an alternative embodiment, a filter 30 for filtering the used medicament is also connected to the inlet tube 19. The used medicament is recovered into the waste liquid collecting box 16 after filtration, and can be reused through the supplementary medicament to purify waste gas, so that the waste of the medicament can be avoided, and the cost expenditure of waste gas treatment is reduced.

As an alternative embodiment, an alarm device is also included, which is electrically connected to the control device.

As an alternative embodiment, the sterilizing assembly is a plurality of ultraviolet sterilizing lamps 11 provided in the sterilizing duct 3. Of course, the sterilization assembly is not limited to the manner disclosed in the present utility model, and other sterilization devices may be used as long as the sterilization function is achieved.

As an alternative embodiment, the control device is a PLC.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model.

Claims

1. The sludge drying waste gas treatment device is characterized by comprising a waste gas filtering device, a waste gas purifying device, a sterilizing device and a control device which are sequentially arranged; wherein,

The waste gas filtering device comprises a filtering barrel body (1), the top of the filtering barrel body (1) is connected with a first air outlet pipe (4), the bottom of the filtering barrel body (1) is connected with an air inlet pipe (5), the air inlet pipe (5) is connected with an air outlet pipe of a sludge drying machine, and a filtering component for filtering waste gas is arranged inside the filtering barrel body (1); the filter assembly comprises a first filter screen (6), a second filter screen (7), a first active carbon plate (8) and a second active carbon plate (9) which are sequentially arranged from bottom to top;

The waste gas purifying device comprises a purifying cylinder body (2), a spraying component for spraying and purifying the filtered waste gas and a waste liquid recycling component, wherein the top of the purifying cylinder body (2) is connected with a second air outlet pipe (10), and the first air outlet pipe (4) is connected to the lower part of the purifying cylinder body (2); the spray assembly comprises a purifying liquid tank (17) for storing a medicament for purifying waste gas and a spray header pipe (12) which is connected to the purifying liquid tank (17) and extends into the purifying cylinder (2); a spray pump (15) and a spray valve (31) are connected to the spray header pipe (12), and the spray pump (15) and the spray valve (31) are both positioned at the outer side of the purifying cylinder (2); a plurality of spray branch pipes (13) are connected to the spray header pipe (12), and a plurality of nozzles (14) are arranged on each spray branch pipe (13); the waste liquid recycling assembly comprises a waste liquid collecting box (16) for collecting used medicaments, a liquid inlet pipe (19) and a liquid outlet pipe (20) are connected to the waste liquid collecting box (16), and the other end of the liquid inlet pipe (19) is connected to the bottom of the purifying cylinder body (2); the other end of the liquid outlet pipe (20) is connected to the spray header pipe (12), the joint of the liquid outlet pipe (20) and the spray header pipe (12) is positioned at the liquid outlet side of the spray valve (31), and the liquid return pump (21) is connected to the liquid outlet pipe (20);

The disinfection device comprises a disinfection tube (3), a disinfection component for disinfecting waste gas is arranged in the disinfection tube (3), a second air outlet pipe (10) is connected with the inlet end of the disinfection tube (3), the outlet end of the disinfection tube (3) is connected with a third air outlet pipe (22), and a gas detection sensor (23) for monitoring whether the waste gas reaches the emission standard is further arranged on the third air outlet pipe (22);

A first liquid inlet valve (24) is arranged on the spray header pipe (12), and a second liquid inlet valve (25) is arranged on the liquid outlet pipe (20);

An air inlet valve (26), an air outlet valve I (27), an air outlet valve II (28) and an air outlet valve III (29) are respectively arranged on the air inlet pipe (5), the air outlet pipe I (4), the air outlet pipe II (10) and the air outlet pipe III (22);

the control device is electrically connected with the first liquid inlet valve (24), the second liquid inlet valve (25), the air inlet valve (26), the first air outlet valve (27), the second air outlet valve (28), the third air outlet valve (29) and the gas detection sensor (23) respectively.

2. The sludge drying waste gas treatment device according to claim 1, wherein the first filter screen (6), the second filter screen (7), the first activated carbon plate (8) and the second activated carbon plate (9) are all movably connected in the filter cylinder (1).

3. The sludge drying exhaust gas treatment device according to claim 2, wherein the number of the spray branch pipes (13) is 3-6, and the spray branch pipes (13) are arranged in a spiral manner from top to bottom.

4. A sludge drying exhaust gas treatment apparatus as claimed in claim 3, wherein the liquid inlet pipe (19) is further connected with a filter (30) for filtering the used medicament.

5. The sludge drying exhaust treatment device of claim 4 further comprising an alarm device, the alarm device being electrically connected to the control device.

6. A sludge drying waste gas treatment apparatus as claimed in any one of claims 1 to 5 wherein the disinfection assembly is a plurality of ultraviolet disinfection lamps (11) disposed within the disinfection tube (3).

7. The sludge drying exhaust gas treatment device of any one of claims 1 to 5 wherein the control means is a PLC.