CN210934380U - Tail gas recycling system of sulfur melting device - Google Patents
Tail gas recycling system of sulfur melting device Download PDFInfo
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- CN210934380U CN210934380U CN201921854049.8U CN201921854049U CN210934380U CN 210934380 U CN210934380 U CN 210934380U CN 201921854049 U CN201921854049 U CN 201921854049U CN 210934380 U CN210934380 U CN 210934380U
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Abstract
The utility model discloses a tail gas recycling system of a sulfur melting device, which comprises a sulfur melting device body and a washing tower, wherein N layers of gas distribution plates are arranged in the washing tower from bottom to top, N is more than or equal to 2, gas distribution pieces are arranged on the gas distribution plates, a spraying mechanism is arranged in the washing tower above the uppermost gas distribution plate, a tail gas outlet of the sulfur melting device body is connected with a gas collecting pipe which is communicated with the washing tower below the gas distribution plate at the lowermost layer, a liquid discharge port of the washing tower is connected with a washing liquid circulating mechanism, a slag discharging port at the bottom of the washing tower is connected with a slag tank, the top of the washing tower is connected with a gas discharging pipe, gas discharged from four tank bodies of the sulfur melting device is introduced into the washing tower, after the gas is distributed by the gas distribution plates layer by layer, the tail gas is fully contacted with the washing liquid, substances in the tail gas are fully washed out, the solid substances reach the standard, can be sold together after being centralized, thereby increasing the economic benefit of enterprises.
Description
Technical Field
The utility model relates to a sulphuric acid waste gas treatment field, concretely relates to sulfur melting device tail gas recycle system.
Background
Chemical fertilizer production enterprises need to use a large amount of sulfuric acid, and enterprises with a small scale can produce sulfuric acid by themselves in order to save production cost. In the sulfuric acid production process, a large amount of tail gas can be generated, the tail gas contains sulfur dioxide, hydrogen sulfide, flash evaporation sulfur steam, water, sulfite, trace silt and the like, the recovery, treatment and discharge of the tail gas are always a problem which troubles each enterprise, because various tanks are numerous, the gas amount generated by flash evaporation and the like is large, the gas has corrosiveness, if the recovery and the utilization are not good, the discharge can not meet the national environmental protection index requirements easily, and the waste water generated after the recovery and the utilization also faces the problem of how to treat. Enterprises face harsh environmental-protection spot check, and people who do not reach the standard even need to shut down the industry and put the production in order, thereby bringing adverse effects to the economic benefits of the enterprises.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a sulfur melting device tail gas recycle system.
The technical scheme is as follows: the utility model provides a melt sulphur device tail gas recycle system, includes melt sulphur device body and scrubbing tower, its key lies in: the sulfur melting device is characterized in that N layers of gas distribution plates are arranged in the washing tower from bottom to top, wherein N is more than or equal to 2, gas distribution pieces are arranged on the gas distribution plates, a spraying mechanism is arranged in the washing tower above the gas distribution plates on the uppermost layer, a tail gas outlet of the sulfur melting device body is connected with a gas collecting pipe, the gas collecting pipe is communicated with the washing tower below the gas distribution plates on the lowermost layer, a liquid discharge port of the washing tower is connected with a washing liquid circulating mechanism, a slag discharge port at the bottom of the washing tower is connected with a sulfur slag pool, and a gas exhaust pipe is connected to the top of the washing tower. By adopting the technical scheme, the tail gas containing impurities such as sulfur dioxide, hydrogen sulfide, flash evaporation sulfur steam, water, sulfite and trace silt and discharged by the sulfur melting device is concentrated in the gas collecting pipe and then is introduced into the washing tower, and is distributed layer by layer through the gas distribution piece on the gas distribution plate, the tail gas is dispersed in the washing tower and then is sprayed and absorbed by the spraying device, so that harmful substances mixed in the tail gas are washed out, the tail gas is discharged after reaching the standard, the washing liquid can be recycled, the washed solid substances are deposited in the washing tower and then are discharged into the sulfur slag pool, and the solid substances can be sold to required enterprises after being concentrated and collected.
As further preferred:
the number of the air distribution pieces on each layer of the air distribution plate is gradually reduced from bottom to top. By adopting the structure, the number of the air distribution pieces is gradually reduced, which is beneficial to maintaining the air pressure of the air flow.
Above-mentioned gas distribution piece includes the air distribution cylinder, supports a section of thick bamboo and umbelliform helmet, air distribution cylinder fixed mounting be in on the air distribution plate, correspond on the air distribution plate the air distribution cylinder is equipped with the gas distribution hole, support a section of thick bamboo suit is in air distribution cylinder upper portion, and through the brace rod with air distribution cylinder fixed connection, form the escape hole between air distribution cylinder and the support a section of thick bamboo, the top of a support section of thick bamboo seals through the helmet, gas distribution hole and escape hole will the scrubbing tower intercommunication of air distribution plate top and below, the bobbin top of air distribution cylinder with form the stock solution space between the air distribution plate. By adopting the structure, tail gas rises layer by layer through the gas distribution holes and the gas escape holes, the uppermost tail gas is contacted with liquid sprayed by the spraying mechanism and is washed and adsorbed, the washing liquid is collected in the liquid storage space on the gas distribution plate on the uppermost layer, when the washing liquid is collected to a certain amount, the washing liquid can overflow the gas distribution cylinder through the gas distribution plate on the next layer of the gas distribution hole flow channel, the gas is finally collected at the bottom of the washing tower layer by layer in an overflow way and is discharged through the liquid discharge port and enters into circulation, the gas escape holes not only play a gas distribution role in the process, but also play a liquid passing role simultaneously, the gas escape holes are positioned at the upper part of the gas distribution cylinder and are horizontally arranged, on the premise of ensuring smooth airflow, the flowing of the liquid cannot be influenced, the gas and can coexist simultaneously during the overflowing, the contact time of the tail gas and the washing liquid.
The washing liquid circulating mechanism comprises a first circulating pump, a liquid outlet is connected with a liquid inlet of the first circulating pump, and a liquid outlet of the first circulating pump is connected with the spraying mechanism through a first circulating pipe. By adopting the structure, the washing liquid can be recycled, and the water consumption can be saved.
The cleaning liquid circulating mechanism further comprises a clarification tank, the first circulating pipe is connected with the clarification tank, a clarified liquid outlet of the clarification tank is connected with the spraying mechanism through a second circulating pipe, and a second circulating pump is arranged on the second circulating pipe. By adopting the structure, when the circulating washing liquid reaches a certain concentration, the washing liquid can be discharged into the clarification tank for clarification, the clarification liquid can enter the circulation again, and the solid slag at the bottom of the clarification tank can be sold together with the substances in the sulphur slag tank.
The spraying mechanism comprises a raw water tank and a rotary spray head, wherein the rotary spray head is arranged at the upper part of the washing tower, the raw water tank is connected with the rotary spray head through a water supply pipe, and the first circulating pipe and the second circulating pipe are communicated with the water supply pipe. By adopting the structure, the washing can be repeatedly sprayed and washed by using the circulating washing liquid in most of the time, and the water can be supplemented by the original water tank when the washing liquid is insufficient.
The sulfur melting device body comprises a rapid dissolving tank, a liquid sulfur clarifying tank, a liquid sulfur rectifying tank and a liquid sulfur transfer tank, wherein the rapid dissolving tank, the liquid sulfur clarifying tank, the liquid sulfur rectifying tank and the gas exhaust port at the top of the liquid sulfur transfer tank are connected with the gas collecting pipe. By adopting the structure, the gas discharged from the main tank body of the sulfur melting device is introduced into the washing tower, the tail gas treatment effect is good, and the environmental protection requirement is met.
And N is 3, 28 air distribution pieces are arranged on the air distribution plate at the lowest layer, 24 air distribution pieces are arranged on the air distribution plate in the middle, and 20 air distribution pieces are arranged on the air distribution plate at the uppermost layer. By adopting the structure, the number of the air distribution pieces on each layer of air distribution plate is reasonable, and the air distribution effect is good.
Compared with the prior art, the beneficial effects of the utility model are that: the gas discharged from the four tank bodies of the sulfur melting device is introduced into the washing tower, the tail gas is fully contacted with the washing liquid after the gas is distributed layer by layer through the gas distribution plate, the substances in the tail gas are fully washed out and discharged up to the standard, and the generated solid substances are introduced into the sullage pool or the clarification pool, can be sold together after being concentrated, and increases the economic benefit of enterprises.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the air distributing member;
FIG. 3 is a schematic view showing the connection between the gas cartridge and the support cartridge;
fig. 4 is a schematic view showing another connection relationship between the gas cartridge and the support cartridge.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1-3, a sulfur melting device tail gas recycling system comprises a sulfur melting device body 1 and a washing tower 2, wherein N layers of gas distribution plates 4 are arranged in the washing tower 2 from bottom to top, wherein N is not less than 2, gas distribution pieces 5 are arranged on the gas distribution plates 4, a spraying mechanism is arranged in the washing tower 2 above the gas distribution plate 4 on the uppermost layer, a tail gas outlet of the sulfur melting device body 1 is connected with a gas collection pipe 15, the gas collection pipe 15 is communicated with the washing tower 2 below the gas distribution plate 4 on the lowermost layer, a liquid discharge port 7 of the washing tower 2 is connected with a washing liquid circulating mechanism, a slag discharge port 8 at the bottom of the washing tower 2 is connected with a sulfur slag pool 9, and a top of the washing tower 2 is connected with an exhaust pipe 6.
Melt sulphur device body 1 including quick dissolving tank 101, liquid sulphur clarification tank 102, liquid sulphur rectification tank 103 and liquid sulphur transfer tank 104, the gas vent at quick dissolving tank 101, liquid sulphur clarification tank 102, liquid sulphur rectification tank 103 and liquid sulphur transfer tank 104 top with gas collecting pipe 15 is connected, gas collecting pipe 15 with the intercommunication mouth of scrubbing tower 2 is located leakage fluid dram 7 top, leakage fluid dram 7 is located arrange sediment mouth 8 top, the bottom of the tower of scrubbing tower 2 is the taper.
Each layer 5 quantity of the last cloth gas spare of cloth gas board 4 is from up reducing gradually down, and in this embodiment, N is 3, the lower floor be equipped with 28 on the cloth gas board 4 cloth gas spare 5, it is middle be equipped with 24 on the cloth gas board 4 cloth gas spare 5, the superiors be equipped with 20 on the cloth gas board 4 cloth gas spare 5.
The gas distribution piece 5 includes the great gas distribution cylinder 501 of diameter, the less support section of thick bamboo 502 of diameter and umbelliform helmet 505, gas distribution cylinder 501 fixed mounting be in on the gas distribution plate 4, correspond on the gas distribution plate 4 gas distribution cylinder 501 is equipped with gas distribution hole 4a, support section of thick bamboo 502 suit is in the inboard upper portion of gas distribution cylinder 501 to through brace rod 503 with gas distribution cylinder 501's inner wall fixed connection, form gas escape hole 504 between gas distribution cylinder 501 and the support section of thick bamboo 502, the top of support section of thick bamboo 502 is sealed through helmet 505, gas distribution hole 4a and gas escape hole 504 will the scrubbing tower 2 intercommunication of gas distribution plate 4 top and below, gas distribution cylinder 501's bobbin top with form stock solution space 506 between the gas distribution plate 4.
The cleaning solution circulating mechanism comprises a first circulating pump 16, a liquid outlet 7 is connected with a liquid inlet of the first circulating pump 16, a liquid outlet of the first circulating pump 16 is connected with the spraying mechanism through a first circulating pipe 12, the cleaning solution circulating mechanism further comprises a clarification tank 10, the first circulating pipe 12 is connected with the clarification tank 10, a clarified liquid outlet at the upper part of the clarification tank 10 is connected with the spraying mechanism through a second circulating pipe 13, and a second circulating pump 17 is arranged on the second circulating pipe 13.
The spraying mechanism comprises a raw water tank 3 and a rotary spray head 11, the rotary spray head 11 is installed at the upper part of the washing tower 2, the raw water tank 3 is connected with the rotary spray head 11 through a water supply pipe 14, and the first circulating pipe 12 and the second circulating pipe 13 are communicated with the water supply pipe 14.
As shown in fig. 4, the structure of the air distributing member 5 may also be such that: including the less gas distribution cylinder 501 of diameter, the great support section of thick bamboo 502 of diameter and umbrella-shaped helmet 505, support a cylinder 502 suit in gas distribution cylinder 501 outside upper portion to through brace rod 503 with gas distribution cylinder 501's outer wall fixed connection, form between gas distribution cylinder 501 and the support section of thick bamboo 502 air escape hole 504, the top of support section of thick bamboo 502 seals through helmet 505.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (8)
1. The utility model provides a sulfur melting device tail gas recycle system, includes sulfur melting device body (1) and scrubbing tower (2), its characterized in that: the sulfur melting device is characterized in that N layers of gas distribution plates (4) are arranged in the washing tower (2) from bottom to top, wherein N is more than or equal to 2, gas distribution pieces (5) are arranged on the gas distribution plates (4), a spraying mechanism is arranged in the washing tower (2) above the gas distribution plates (4) on the uppermost layer, a tail gas outlet of the sulfur melting device body (1) is connected with a gas collecting pipe (15), the gas collecting pipe (15) is communicated with the washing tower (2) below the gas distribution plates (4) on the lowermost layer, a liquid discharge port (7) of the washing tower (2) is connected with a washing liquid circulating mechanism, a slag discharge port (8) at the bottom of the washing tower (2) is connected with a sulfur slag pond (9), and the top of the washing tower (2) is connected with an exhaust pipe (6).
2. The sulfur melting device tail gas recycling system according to claim 1, characterized in that: the number of the air distribution pieces (5) on each layer of the air distribution plate (4) is gradually reduced from bottom to top.
3. The sulfur melting device tail gas recycling system according to claim 1 or 2, characterized in that: gas distribution spare (5) are including gas distribution cylinder (501), a support section of thick bamboo (502) and umbelliform helmet (505), gas distribution cylinder (501) fixed mounting be in on gas distribution plate (4), correspond on gas distribution plate (4) gas distribution cylinder (501) are equipped with gas distribution hole (4a), support section of thick bamboo (502) suit is in gas distribution cylinder (501) upper portion to through brace rod (503) with gas distribution cylinder (501) fixed connection, form air escape hole (504) between gas distribution cylinder (501) and the support section of thick bamboo (502), the top of support section of thick bamboo (502) is sealed through helmet (505), gas distribution hole (4a) and air escape hole (504) will gas distribution plate (4) top and below scrubbing tower (2) intercommunication, the top of gas distribution cylinder (501) with form stock solution space (506) between gas distribution plate (4).
4. The sulfur melting device tail gas recycling system according to claim 3, characterized in that: the washing liquid circulating mechanism comprises a first circulating pump (16), the liquid outlet (7) is connected with a liquid inlet of the first circulating pump (16), and a liquid outlet of the first circulating pump (16) is connected with the spraying mechanism through a first circulating pipe (12).
5. The sulfur melting device tail gas recycling system according to claim 4, characterized in that: washing liquid circulation mechanism still includes depositing reservoir (10), first circulating pipe (12) with depositing reservoir (10) are connected, the clarified liquid export of depositing reservoir (10) through second circulating pipe (13) with spray the mechanism and connect, be equipped with second circulating pump (17) on this second circulating pipe (13).
6. The sulfur melting device tail gas recycling system according to claim 5, characterized in that: the spraying mechanism comprises a raw water tank (3) and a rotary spray head (11), the rotary spray head (11) is installed at the upper part of the washing tower (2), the raw water tank (3) is connected with the rotary spray head (11) through a water supply pipe (14), and the first circulating pipe (12) and the second circulating pipe (13) are communicated with the water supply pipe (14).
7. The sulfur melting device tail gas recycling system according to claim 1, characterized in that: the sulfur melting device body (1) comprises a rapid dissolving tank (101), a liquid sulfur clarifying tank (102), a liquid sulfur rectifying tank (103) and a liquid sulfur transfer tank (104), and exhaust ports at the tops of the rapid dissolving tank (101), the liquid sulfur clarifying tank (102), the liquid sulfur rectifying tank (103) and the liquid sulfur transfer tank (104) are connected with the gas collecting pipe (15).
8. The sulfur melting device tail gas recycling system according to claim 2, characterized in that: and N is 3, 28 air distribution pieces (5) are arranged on the air distribution plate (4) at the lowest layer, 24 air distribution pieces (5) are arranged on the air distribution plate (4) in the middle, and 20 air distribution pieces (5) are arranged on the air distribution plate (4) at the uppermost layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921854049.8U CN210934380U (en) | 2019-10-30 | 2019-10-30 | Tail gas recycling system of sulfur melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921854049.8U CN210934380U (en) | 2019-10-30 | 2019-10-30 | Tail gas recycling system of sulfur melting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210934380U true CN210934380U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921854049.8U Active CN210934380U (en) | 2019-10-30 | 2019-10-30 | Tail gas recycling system of sulfur melting device |
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| Country | Link |
|---|---|
| CN (1) | CN210934380U (en) |
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2019
- 2019-10-30 CN CN201921854049.8U patent/CN210934380U/en active Active
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