CN217909573U - Exhaust gas purification equipment of naphthalene method phthalic anhydride apparatus for producing - Google Patents
Exhaust gas purification equipment of naphthalene method phthalic anhydride apparatus for producing Download PDFInfo
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- CN217909573U CN217909573U CN202221698329.6U CN202221698329U CN217909573U CN 217909573 U CN217909573 U CN 217909573U CN 202221698329 U CN202221698329 U CN 202221698329U CN 217909573 U CN217909573 U CN 217909573U
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Abstract
The utility model discloses a naphthalene method phthalic anhydride apparatus for producing's exhaust-gas purification equipment relates to naphthalene method phthalic anhydride production technical field, is convenient for get rid of the solid particle thing in the waste gas, and then reduces the fixed particle thing that carries in the waste gas, and its technical scheme main points are: including water spray tower body and the gas vent of setting at tower body lateral wall lower extreme air inlet and tower body top, tower body upper end inner wall is equipped with the defoaming dehydrator, the tower body bottom is equipped with the drain pipe, the tower body is equipped with the inlet tube at defoaming dehydrator lower extreme, the tower body is equipped with the guide that makes the waste gas gathering flow to inlet tube delivery port direction in the below of the delivery port of inlet tube, be equipped with the distribution piece that makes rivers cover the guide export on the inlet tube delivery port.
Description
Technical Field
The utility model relates to a naphthalene method phthalic anhydride production technical field, more specifically says, it relates to a naphthalene method phthalic anhydride apparatus for producing's exhaust-gas purification equipment.
Background
The waste gas discharged by the naphthalene method phthalic anhydride production device contains phthalic anhydride, naphthalene, maleic anhydride, benzoic acid, naphthoquinone, carbon monoxide and other pollutants, has pungent smell, and produces great pollution to the environment. At present, the purification method of the phthalic anhydride waste gas by the naphthalene method mainly comprises a spraying method, a catalytic oxidation method and a regenerative thermal incineration method. The spraying method is a technology for cleaning organic matters in phthalic anhydride by using water or alkali liquor and other solutions as a removing medium.
Chinese patent publication No. CN205598945U discloses a naphthalene process phthalic anhydride production plant waste gas purification device, which comprises a water spray tower, a circulating water pump, a heat storage thermal incineration device, an alkali liquor spray tower, an alkali liquor circulating pump, an air supply fan, an exhaust fan, a circulating fan, a waste heat boiler, a valve, a chimney and a control system; the exhaust gas of the naphthalene method phthalic anhydride production device is connected with the gas inlet of a water spray tower, the gas outlet of the water spray tower is connected with the gas inlet of a heat storage thermal power incineration device, the gas outlet of the heat storage thermal power incineration device is connected with the gas inlet of an alkali liquor spray tower, the gas outlet of the alkali liquor spray tower is connected with the gas inlet of an exhaust fan, and the gas outlet of the exhaust fan is connected with a chimney. Through solid particulate matters such as phthalic anhydride that carry in the water spray column removal waste gas, this application provides the solid particulate matter in another water spray column structure reduction waste gas.
Disclosure of Invention
The utility model aims at providing a naphthalene method phthalic anhydride apparatus for producing's exhaust-gas purification equipment, its advantage lies in, is convenient for get rid of the solid particle thing in the waste gas, and then reduces the fixed particle thing that carries in the waste gas.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a naphthalene method phthalic anhydride apparatus for producing's exhaust gas purification equipment, includes water spray tower body and sets up the gas vent at the air inlet of tower body lateral wall lower extreme and tower body top, tower body upper end inner wall is equipped with the defoaming dehydrator, the tower body bottom is equipped with the drain pipe, the tower body is equipped with the inlet tube at defoaming dehydrator lower extreme, the tower body is equipped with the guide that makes the waste gas gathering flow to inlet tube delivery port direction in the below of the delivery port of inlet tube, be equipped with the distribution piece that makes rivers cover the guide export on the inlet tube delivery port.
Through adopting above-mentioned technical scheme, waste gas enters into the tower body from the air inlet of tower body, the inlet tube spills water to the guide piece through the distribution piece this moment, the guide piece is with waste gas gathering in the export of guide piece this moment, make waste gas and the abundant contact of water, and then be convenient for detach the solid particle thing such as phthalic anhydride that carries in the waste gas, and then reduce the fixed particle thing that carries in the waste gas, the water that carries solid particle thing this moment gets into drain pipe discharge tower body, gaseous defoaming dehydrator through the tower body afterwards, discharge and get into processing on next step through the gas vent.
Preferably: the guide piece comprises a conical air deflector arranged on the inner wall of the tower body, one end with larger taper of the lower end of the air deflector is connected with the inner wall of the tower body, and the other end with smaller taper is distributed close to the water outlet of the water inlet pipe.
Preferably: the distribution part comprises a disc arranged at the water outlet of the water inlet pipe, a gap exists between the disc and the upper end of the air deflector, the diameter of the disc surface of the disc is larger than that of a round opening at the upper end of the air deflector, the disc is arranged right above the air deflector, a hollow cavity is arranged in the disc, a plurality of outlet holes are formed in the disc surface at the lower end of the disc, the outlet holes are communicated with the hollow cavity, and the water inlet pipe is communicated with the hollow cavity of the disc.
Preferably: the water inlet quantity of the water inlet pipe is larger than the water discharge quantity of each outflow hole, and an overflow hole communicated with the hollow cavity is formed in the upper end face of the disc.
Preferably: the upper end face of the disc is conical, one end with smaller conical degree is connected with the water inlet pipe, and the overflow hole is formed in the disc face of the conical disc with smaller conical degree.
Preferably: the air guide plate is characterized in that an extension plate extending along the taper of the upper end of the disc is arranged on the outer wall of the disc surface in the circumferential direction, the extension plate extends to the outer wall of one end with the smaller taper of the air guide plate, a gap exists between the extension plate and the air guide plate, and the number of overflow holes is a plurality of and are distributed around the circumferential direction of the water inlet pipe.
Preferably: the drain pipe and the wastewater disposal basin of tower body bottom are connected, the inlet tube on the tower body is connected with the cistern through the pump.
To sum up, the utility model discloses following beneficial effect has: waste gas enters into the tower body from the air inlet of tower body, the inlet tube spills water to the guide member through the distribution piece this moment, the export of guide member with waste gas gathering this moment, make waste gas and the abundant contact of water, and then be convenient for detach the solid particle thing such as phthalic anhydride that carry in the waste gas, and then reduce the fixed particle thing that carries in the waste gas, the water that carries solid particle thing this moment gets into drain pipe discharge tower body, then gaseous defoaming dehydrator through the tower body, discharge through the gas vent and get into processing on next step.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. a tower body; 11. an air inlet; 12. an exhaust port; 13. a foam removing dehydrator; 14. a drain pipe; 15. a water inlet pipe; 16. an air deflector; 17. a disc; 18. a hollow cavity; 181. an outflow hole; 182. an overflow hole; 183. an extension plate; 19. a wastewater tank; 191. and (7) a water storage tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a naphthalene method phthalic anhydride apparatus for producing's exhaust-gas purification equipment, as shown in figure 1 and figure 2, including water spray tower body 1 and set up air inlet 11 and the gas vent 12 at tower body 1 top at tower body 1 lateral wall lower extreme, tower body 1 upper end inner wall is equipped with defoaming dehydrator 13, tower body 1 bottom is equipped with drain pipe 14, tower body 1 is equipped with inlet tube 15 at defoaming dehydrator 13 lower extreme, tower body 1 is equipped with the guide that makes the waste gas gathering flow to inlet tube 15 delivery port direction in the below of the delivery port of inlet tube 15, be equipped with the distribution piece that makes rivers cover the guide export on the inlet tube 15 delivery port. At this time, the water spray tower can replace the water spray tower in the waste gas purification equipment of the naphthalene process phthalic anhydride production device disclosed in the Chinese patent with the publication number of CN 205598945U.
As shown in fig. 1 and 2, waste gas gets into in the tower body 1 from the air inlet 11 of tower body 1, this moment inlet tube 15 spills water to the guide through the distribution piece, the export of guide with waste gas gathering at the guide this moment, make waste gas and the abundant contact of water, and then be convenient for detach the solid particle thing such as phthalic anhydride that carries in the waste gas, and then reduce the fixed particle thing that carries in the waste gas, the water that carries solid particle thing this moment gets into drain pipe 14 discharge tower body 1, gaseous defoaming dehydrator 13 through tower body 1 afterwards, discharge through gas vent 12 and get into processing on next step.
As shown in fig. 1 and fig. 2, the guiding element includes a conical air guiding plate 16 disposed on the inner wall of the tower body 1, the end of the air guiding plate 16 with a larger taper is connected to the inner wall of the tower body 1, and the end with a smaller taper is distributed near the water outlet of the water inlet pipe 15. At this time, the air deflector 16 is convenient to discharge the waste gas from the air outlet of the air deflector 16, and the waste gas is gathered at the air outlet of the air deflector 16, so that the waste gas is convenient to contact with water.
As shown in fig. 1 and 2, the distribution member includes a disc 17 disposed at the water outlet of the water inlet pipe 15, the diameter of the disc 17 is smaller than the inner diameter of the tower body 1, a gap exists between the disc 17 and the upper end of the air deflector 16, the design is to facilitate the exhaust gas contacting with water to be discharged to the upper end of the disc 17, the diameter of the disc surface of the disc 17 is larger than the diameter of the circular opening at the upper end of the air deflector 16, the area of the water flow discharged from the disc 17 covers the air outlet of the air deflector 16, the disc 17 is disposed right above the air deflector 16, a hollow cavity 18 is disposed in the disc 17, a plurality of outflow holes 181 are disposed on the disc surface at the lower end of the disc 17, the outflow holes 181 are communicated with the hollow cavity 18, and the water inlet pipe 15 is communicated with the hollow cavity 18 of the disc 17. The water inlet pipe 15 discharges the water into the hollow cavity 18 of the disc 17 and further discharges the water to the air outlet of the air deflector 16 through the outlet holes 181, and the outlet holes 181 are uniformly distributed on the lower disc surface of the disc 17.
As shown in fig. 1 and 2, the water inflow of the water inlet pipe 15 is greater than the water displacement of each outflow hole 181, be convenient for accumulate water in the hollow cavity 18 of the disc 17, the overflow hole 182 that communicates with the hollow cavity 18 is seted up to the disc 17 up end, at this moment along with the water inlet pipe 15 last inject water into the hollow cavity 18, when water does not come to be too late to discharge from the outflow hole 181, can be discharged by the overflow hole 182, the setting of the overflow hole 182 is convenient for water to flow out from the upper end quotation of the disc 17 at this moment, and flow to the periphery of the disc 17, make the periphery of the disc 17 form the water curtain, be convenient for waste gas contacts with water once more, and then filter solid particle.
As shown in fig. 1 and 2, the upper end surface of the disc 17 is tapered, the end with smaller taper is connected with the water inlet pipe 15, and the overflow hole 182 is arranged on the disc surface of the disc 17 with smaller taper, which facilitates the water to flow out from the upper end disc surface of the disc 17.
Referring to fig. 1 and 2, an extension plate 183 extending along the upper end of the disc 17 in a tapered manner is disposed on the outer wall of the disc 17 in the circumferential direction, the extension plate 183 extends to the outer wall of the end of the air deflector 16 with a smaller taper and has a gap with the air deflector 16, and a plurality of overflow holes 182 are formed and are circumferentially distributed around the water inlet pipe 15. At this time, the lower end of the extension plate 183 is located between the air deflector 16 and the inner wall of the tower body 1, when water in the overflow hole 182 flows onto the extension plate 183, the extension plate 183 guides the water onto the air deflector 16, and at this time, the exhaust gas flows out from the air outlet of the air deflector 16 and then bypasses the extension plate 183 to reach the upper end of the disc 17, so that the flowing time of the exhaust gas is increased, and the exhaust gas is convenient to contact with the water.
Referring to fig. 1 and 2, a water discharge pipe 14 at the bottom of the tower body 1 is connected with a wastewater tank 19, a stop valve is arranged on the water discharge pipe 14, and a water storage tank 191 is connected with a water inlet pipe 15 on the tower body 1 through a pump.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a naphthalene method phthalic anhydride apparatus for producing's exhaust-gas purification equipment, includes water spray tower body (1) and sets up air inlet (11) and gas vent (12) at tower body (1) top at tower body (1) lateral wall lower extreme, tower body (1) upper end inner wall is equipped with defoaming dehydrator (13), tower body (1) bottom is equipped with drain pipe (14), tower body (1) is equipped with inlet tube (15), characterized by at defoaming dehydrator (13) lower extreme: the tower body (1) is equipped with the guide that makes the waste gas gathering flow to inlet tube (15) delivery port direction in the below of the delivery port of inlet tube (15), be equipped with the distribution piece that makes rivers cover the guide export on inlet tube (15) delivery port.
2. The exhaust gas purification apparatus for a naphthalene process phthalic anhydride production apparatus according to claim 1, which is characterized in that: the guide piece comprises a conical air deflector (16) arranged on the inner wall of the tower body (1), one end of the lower end of the air deflector (16) with larger taper is connected with the inner wall of the tower body (1), and the end with smaller taper is distributed close to a water outlet of the water inlet pipe (15).
3. The exhaust gas purification apparatus for a naphthalene process phthalic anhydride production apparatus according to claim 2, characterized in that: the distribution piece comprises a disc (17) arranged at the water outlet of the water inlet pipe (15), a gap exists between the disc (17) and the upper end of the air deflector (16), the diameter of the disc surface of the disc (17) is larger than that of the round opening at the upper end of the air deflector (16), the disc (17) is arranged right above the air deflector (16), a hollow cavity (18) is arranged in the disc (17), a plurality of outflow holes (181) are formed in the disc surface at the lower end of the disc (17), the outflow holes (181) are communicated with the hollow cavity (18), and the water inlet pipe (15) is communicated with the hollow cavity (18) of the disc (17).
4. The exhaust gas purification apparatus for a naphthalene process phthalic anhydride production apparatus according to claim 3, characterized in that: the water inflow of the water inlet pipe (15) is larger than the water discharge of each outflow hole (181), and an overflow hole (182) communicated with the hollow cavity (18) is formed in the upper end face of the disc (17).
5. The exhaust gas purification apparatus for a naphthalene process phthalic anhydride production apparatus according to claim 4, wherein: the upper end face of the disc (17) is conical, one end with smaller conical degree is connected with the water inlet pipe (15), and the overflow hole (182) is arranged on the disc face of the conical disc (17) with smaller conical degree.
6. The exhaust gas purification apparatus for a naphthalene process phthalic anhydride production apparatus according to claim 5, characterized in that: the air guide plate is characterized in that an extension plate (183) extending along the conical shape of the upper end of the disc (17) is arranged on the circumferential direction of the outer wall of the disc surface of the disc (17), the extension plate (183) extends to the outer wall of one end, with the smaller conical degree, of the air guide plate (16) and a gap exists between the extension plate and the air guide plate (16), and the number of overflow holes (182) is a plurality and the overflow holes are distributed circumferentially around the water inlet pipe (15).
7. The exhaust gas purification apparatus for a naphthalene process phthalic anhydride production apparatus according to claim 1, which is characterized in that: the water discharge pipe (14) at the bottom of the tower body (1) is connected with a wastewater pond (19), and a water storage tank (191) is connected with a water inlet pipe (15) on the tower body (1) through a pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698329.6U CN217909573U (en) | 2022-07-01 | 2022-07-01 | Exhaust gas purification equipment of naphthalene method phthalic anhydride apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698329.6U CN217909573U (en) | 2022-07-01 | 2022-07-01 | Exhaust gas purification equipment of naphthalene method phthalic anhydride apparatus for producing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217909573U true CN217909573U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221698329.6U Active CN217909573U (en) | 2022-07-01 | 2022-07-01 | Exhaust gas purification equipment of naphthalene method phthalic anhydride apparatus for producing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217909573U (en) |
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2022
- 2022-07-01 CN CN202221698329.6U patent/CN217909573U/en active Active
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