CN216878570U - Tail gas treatment device of silver method production formaldehyde device - Google Patents
Tail gas treatment device of silver method production formaldehyde device Download PDFInfo
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- CN216878570U CN216878570U CN202220663737.1U CN202220663737U CN216878570U CN 216878570 U CN216878570 U CN 216878570U CN 202220663737 U CN202220663737 U CN 202220663737U CN 216878570 U CN216878570 U CN 216878570U
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Abstract
The utility model discloses a tail gas treatment device of a device for producing formaldehyde by a silver method, which belongs to the technical field of tail gas treatment, wherein the surface of a tail gas combustion furnace is fixedly connected with an air inlet pipe, an air pipe and an air outlet pipe, the surfaces of the air inlet pipe, the air pipe and the air outlet pipe are fixedly connected with an outer shell, the outer shell and the tail gas combustion furnace surround a liquid storage chamber, the surface of the outer shell is fixedly connected with a liquid feeding pipe, a liquid outlet pipe and the surface of a sealing cover are fixedly connected with an air guide pipe, one end of the air guide pipe is connected with a spray head through threads, the tail gas treatment device of the device for producing formaldehyde by the silver method can spray gas discharged from the air outlet pipe through the sealing cover, the air guide pipe and the spray head arranged, so that pollution particles in discharged air are mixed with steam moisture, tail gas is purified, and air discharged from a spray box is filtered again through a filter screen which is convenient to assemble and disassemble, thus, the tail gas is purified in a triple way, and the thoroughness of tail gas treatment is greatly ensured.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device of a device for producing formaldehyde by a silver method.
Background
Formaldehyde is colorless and has irritant gas, is also called formil as HCHO or CH2O, and is colorless and has irritant effect on human eyes and nose.
At present, in the process of treating formaldehyde waste gas, a combustion furnace is needed to be used for combustion treatment of the waste gas, such as a silver formaldehyde tail gas incineration treatment device disclosed in publication No. CN212618356U, but the tail gas treatment device only purifies the waste gas by combustion, and may not purify the waste gas completely, and may cause partial polluted gas or polluted particles to be directly discharged into the air, thereby causing air pollution.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a tail gas treatment device of a device for producing formaldehyde by a silver method, which can spray gas discharged by an air outlet pipe through a sealing cover, an air guide pipe and a spray head, so that pollution particles in the discharged air are mixed with steam and moisture, the tail gas is purified, air discharged from a spray box is filtered again through a filter screen which is convenient to assemble and disassemble, the tail gas is purified in a triple way, and the thoroughness of tail gas treatment is greatly ensured.
In order to solve the above problems, the present invention adopts the following technical solutions.
A tail gas treatment device of a silver method formaldehyde production device comprises a tail gas combustion furnace, wherein the surface of the tail gas combustion furnace is fixedly connected with an air inlet pipe, an air pipe and an air outlet pipe, the surfaces of the air inlet pipe, the air pipe and the air outlet pipe are fixedly connected with an outer shell, the outer shell and the tail gas combustion furnace surround a liquid storage chamber, the surface of the outer shell is fixedly connected with a liquid feeding pipe, a liquid outlet pipe and a sealing cover, the surface of the sealing cover is fixedly connected with an air guide pipe, one end of the air guide pipe is connected with a spray head through threads, one surface of the spray head is provided with spray holes which are distributed at equal intervals, the surface of the air guide pipe is fixedly connected with a spray box, the surface of the spray box is fixedly connected with a drain pipe and a discharge pipe, the inner wall of the spray box is detachably connected with a filter screen, and the tail gas treatment device of the silver method formaldehyde production device can spray the gas discharged by the air outlet pipe through the sealing cover, the air guide pipe and the spray head which are arranged, thereby make the pollution granule in the exhaust air mix with steam moisture, purify tail gas to the filter screen through conveniently installing and removing sprays the air in the incasement to the discharge and filters once more, thereby carries out triple purification to tail gas, very big assurance tail gas treatment's thoroughness.
Further, the shape of shower nozzle is tubaeform, the connecting hole has been seted up on the surface of shower nozzle, the inner wall fixedly connected with spacing ring of connecting hole, the inner wall of connecting hole passes through the one end threaded connection of screw thread and air duct, and the connecting hole that sets up makes to have the function of splitting combination between shower nozzle and the air duct, and the equipment of the tail gas processing apparatus of being convenient for and the independent of later stage shower nozzle are torn open and are traded.
Furthermore, the surface of the filter screen is fixedly sleeved with a sealing sleeve, a sleeve hole is formed in the center of the sealing sleeve, the inner wall of the sleeve hole is in contact with the surface of the air guide pipe, the sealing sleeve is made of high-temperature-resistant elastic rubber, and the sealing sleeve can be automatically fastened and seal the connection position between the air guide pipe and the filter screen through compression elastic force.
Furthermore, the surface of the air outlet pipe is fixedly connected with a one-way valve, one end of the air outlet pipe is fixedly connected with the side surface of the spraying box, and the arranged one-way valve can prevent air or steam in the spraying box from entering the tail gas combustion furnace.
Furthermore, the fixed ring that has cup jointed in the outside of filter screen, the cross sectional shape of solid fixed ring is square, and the solid fixed ring that sets up can improve the support intensity in the filter screen outside.
Compared with the prior art, the utility model has the advantages that:
(1) this scheme can spray the gas that the outlet duct discharged through seal cover, air duct and the shower nozzle that sets up to make the pollution granule in the exhaust air mix with steam moisture, purify tail gas, and spray the air of incasement through the filter screen of conveniently installing and removing and filter once more to the discharge, thereby carry out triple purification to tail gas, very big assurance tail gas treatment's thoroughness.
(2) The shape of shower nozzle is tubaeform, and the connecting hole has been seted up on the surface of shower nozzle, and the inner wall fixedly connected with spacing ring of connecting hole, the inner wall of connecting hole pass through the one end threaded connection of screw thread and air duct, and the connecting hole that sets up makes to have the function of partition combination between shower nozzle and the air duct, and the equipment of the tail gas processing apparatus of being convenient for and the independent of later stage shower nozzle are torn open and are traded.
(3) The surface of the filter screen is fixedly sleeved with a sealing sleeve, a sleeve hole is formed in the center of the sealing sleeve, the inner wall of the sleeve hole is in contact connection with the surface of the air guide pipe, the sealing sleeve is made of high-temperature-resistant elastic rubber, and the sealing sleeve can be automatically fastened and sealed at the connection position between the air guide pipe and the filter screen through compression elasticity.
(4) The surface of the air outlet pipe is fixedly connected with a one-way valve, one end of the air outlet pipe is fixedly connected with the side surface of the spraying box, and the arranged one-way valve can prevent air or steam in the spraying box from entering the tail gas combustion furnace.
(5) The fixed ring that has cup jointed in the outside of filter screen, the cross-sectional shape of solid fixed ring is square, and the solid fixed ring that sets up can improve the support intensity in the filter screen outside.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the filter screen structure of the present invention;
FIG. 3 is a top view of the showerhead structure of the present invention;
FIG. 4 is a bottom view of the sprinkler structure of the present invention;
fig. 5 is a bottom view of the seal cap structure of the present invention.
The reference numbers in the figures illustrate:
1 tail gas combustion furnace, 11 air inlet pipes, 12 air outlet pipes, 13 one-way valves, 14 air pipes, 2 outer shells, 21 liquid storage chambers, 22 liquid feeding pipes, 23 liquid outlet pipes, 3 sealing covers, 31 air guide pipes, 4 spray heads, 41 spray holes, 42 connecting holes, 43 limiting rings, 5 spray boxes, 51 blow-off pipes, 52 discharge pipes, 6 filter screens, 61 fixing rings, 62 sealing sleeves and 63 sleeve holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a tail gas treatment device of a device for producing formaldehyde by a silver method comprises a tail gas combustion furnace 1, referring to fig. 1-5, wherein the surface of the tail gas combustion furnace 1 is fixedly connected with an air inlet pipe 11, an air pipe 14 and an air outlet pipe 12, the tail gas combustion furnace 1 belongs to the prior art, the composition structure and the working principle of the tail gas combustion furnace are well known by those skilled in the art, each connecting pipeline on the surface of the tail gas combustion furnace 1 is provided with a control valve, one end of the air pipe 14 is provided with a blower for rapidly feeding air into the combustion chamber, the surface of the air outlet pipe 12 is fixedly connected with a one-way valve 13, one end of the air outlet pipe 12 is fixedly connected with the side surface of a spray box 5, the one-way valve 13 is arranged for preventing the air or steam in the spray box 5 from entering the interior of the tail gas combustion furnace 1, the surfaces of the air inlet pipe 11, the air pipe 14 and the air outlet pipe 12 are fixedly connected with an outer shell 2, the liquid storage chamber 21 is enclosed with tail gas combustion furnace 1 to shell body 2, the fixed surface of shell body 2 is connected with filling tube 22, the fixed surface of drain pipe 23 and sealed cowling 3 is connected with air duct 31, threaded connection has shower nozzle 4 through the one end of air duct 31, equidistant distribution's orifice 41 is seted up on a surface of shower nozzle 4, the fixed surface of air duct 31 is connected with sprays case 5, the fixed surface of spraying case 5 is connected with blow off pipe 51 and delivery pipe 52, delivery pipe 52 is used for discharging the thorough air that purifies outside, blow off pipe 51 is used for discharging the sewage that has mixed the pollution granule, the inner wall that sprays case 5 can be dismantled and is connected with filter screen 6, filter screen 6's the fixed solid fixed ring 61 that has cup jointed in the outside, gu fixed ring 61's cross-sectional shape is square, gu fixed ring 61 of setting can improve the support intensity in the filter screen 6 outside.
Referring to the figures, the spray head 4 is in a horn shape, a connecting hole 42 is formed in the surface of the spray head 4, a limiting ring 43 is fixedly connected to the inner wall of the connecting hole 42, the inner wall of the connecting hole 42 is in threaded connection with one end of the air duct 31 through threads, and the connecting hole 42 enables the spray head 4 and the air duct 31 to be separated and combined, so that the tail gas treatment device can be assembled and the spray head 4 can be detached and replaced independently in a later period.
Referring to the figure, a sealing sleeve 62 is fixedly sleeved on the surface of the filter screen 6, a sleeve hole 63 is formed in the center of the sealing sleeve 62, the inner wall of the sleeve hole 63 is in contact connection with the surface of the gas guide pipe 31, and the sealing sleeve 62 is made of high-temperature-resistant elastic rubber and can automatically fasten and seal the connection position between the gas guide pipe 31 and the filter screen 6 through compression elasticity.
When the tail gas treatment device of the silver method formaldehyde production device is used, the air inlet pipe 11 enters tail gas, the air pipe 14 enters oxygen, sufficient oxygen is conveniently arranged in the tail gas combustion furnace 1 to combust the tail gas, the air which completes combustion enters the spray box 5 through the air outlet pipe 12 under the air pressure entering the air pipe 14, simultaneously the heat generated by combustion heats the water in the liquid storage chamber 21, the heated water changes the internal pressure of the liquid storage chamber 21, then the water vapor enters the spray head 4 through the air guide pipe 31 under the action of air pressure, the air entering the spray box 5 is mixed through the spray head 4, the pollution particles and the moisture in the air are mixed and fall at the bottom of the spray box 5, the mixed and purified air is discharged through the discharge pipe 52 after being filtered by the filter screen 6, and the gas discharged by the air guide pipe 12 can be sprayed through the arranged seal cover 3, the air guide pipe 31 and the spray head 4, thereby make the pollution granule in the exhaust air mix with steam moisture, purify tail gas to filter once more the air in the case 5 is sprayed in the discharge through the filter screen 6 of conveniently installing and removing, thereby carry out triple purification to tail gas, very big assurance tail gas treatment's thoroughness.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a tail gas processing apparatus of silver method production formaldehyde device, includes that tail gas fires burning furnace (1), its characterized in that: the tail gas combustion furnace is characterized in that an air inlet pipe (11), an air pipe (14) and an air outlet pipe (12) are fixedly connected to the surface of the tail gas combustion furnace (1), an outer shell (2) is fixedly connected to the surfaces of the air inlet pipe (11), the air pipe (14) and the air outlet pipe (12), a liquid storage chamber (21) is surrounded by the outer shell (2) and the tail gas combustion furnace (1), a liquid adding pipe (22), a liquid outlet pipe (23) and a sealing cover (3) are fixedly connected to the surface of the outer shell (2), an air guide pipe (31) is fixedly connected to the surface of the sealing cover (3), a spray nozzle (4) is connected to one end of the air guide pipe (31) through threads, spray holes (41) distributed at equal intervals are formed in one surface of the spray nozzle (4), a spray box (5) is fixedly connected to the surface of the air guide pipe (31), and a drain pipe (51) and a discharge pipe (52) are fixedly connected to the surface of the spray box (5), the inner wall of the spraying box (5) is detachably connected with a filter screen (6).
2. The tail gas treatment device of the device for producing formaldehyde by the silver method according to claim 1, which is characterized in that: the shape of shower nozzle (4) is tubaeform, connecting hole (42) have been seted up on the surface of shower nozzle (4), the inner wall fixedly connected with spacing ring (43) of connecting hole (42), the inner wall of connecting hole (42) passes through the one end threaded connection of screw thread and air duct (31).
3. The tail gas treatment device of the device for producing formaldehyde by the silver method according to claim 1, which is characterized in that: the surface fixing of filter screen (6) has cup jointed seal cover (62), the central point of seal cover (62) puts and is equipped with trepanning (63), the inner wall of trepanning (63) is connected with the surface contact of air duct (31).
4. The tail gas treatment device of the device for producing formaldehyde by the silver method according to claim 1, which is characterized in that: the surface of the air outlet pipe (12) is fixedly connected with a one-way valve (13), and one end of the air outlet pipe (12) is fixedly connected with the side surface of the spraying box (5).
5. The tail gas treatment device of the device for producing formaldehyde by the silver method according to claim 1, which is characterized in that: the outer side of the filter screen (6) is fixedly sleeved with a fixing ring (61), and the cross section of the fixing ring (61) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220663737.1U CN216878570U (en) | 2022-03-25 | 2022-03-25 | Tail gas treatment device of silver method production formaldehyde device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220663737.1U CN216878570U (en) | 2022-03-25 | 2022-03-25 | Tail gas treatment device of silver method production formaldehyde device |
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| CN216878570U true CN216878570U (en) | 2022-07-05 |
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| CN202220663737.1U Active CN216878570U (en) | 2022-03-25 | 2022-03-25 | Tail gas treatment device of silver method production formaldehyde device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857992A (en) * | 2023-07-07 | 2023-10-10 | 山东厚濡环保设备有限公司 | Plate type air preheater |
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2022
- 2022-03-25 CN CN202220663737.1U patent/CN216878570U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857992A (en) * | 2023-07-07 | 2023-10-10 | 山东厚濡环保设备有限公司 | Plate type air preheater |
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