CN218981057U - Sulfur melting waste gas treatment system - Google Patents
Sulfur melting waste gas treatment system Download PDFInfo
- Publication number
- CN218981057U CN218981057U CN202223151666.6U CN202223151666U CN218981057U CN 218981057 U CN218981057 U CN 218981057U CN 202223151666 U CN202223151666 U CN 202223151666U CN 218981057 U CN218981057 U CN 218981057U
- Authority
- CN
- China
- Prior art keywords
- sulfur
- liquid
- washing tower
- waste gas
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a sulfur melting waste gas treatment system, which relates to the technical field of waste gas treatment and comprises a first-stage washing tower and an induced draft device, wherein a gas inlet of the first-stage washing tower can be connected with a flue gas pipeline for introducing sulfur melting waste gas, and the induced draft device can provide power for the flow of the sulfur melting waste gas; the flue gas pipeline is connected with a primary washing pipe, a first spraying device is arranged in the primary washing pipe, and the first spraying device can spray, cool and wash the sulfur melting waste gas; a packing layer is also arranged in the first-stage washing tower and is positioned above the air inlet of the first-stage washing tower, and the air outlet of the first-stage washing tower is positioned above the packing layer; the second spraying device is further arranged above the packing layer, washing liquid can be sprayed onto the packing layer, and the packing layer can enable the washing liquid to be fully contacted with sulfur melting waste gas. The utility model can improve the washing effect of the sulfur melting waste gas and effectively avoid the blockage of the filler layer.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a sulfur melting waste gas treatment system.
Background
At present, the purification treatment process of sulfur melting waste gas exists in the fields of sulfur acid making industry, sulfur recovery, sulfur granulation, sulfur tabletting and the like. Taking the application in the sulfur acid industry as an example, powdery, granular, flaky or blocky solid sulfur raw materials can be sent to the next working procedure for use after being melted and filtered by steam heating. Because moisture, volatile organic compounds, organic acids and the like are entrained in the sulfur, waste gas formed by the impurities in the sulfur melting process can cause adverse effects on the surrounding environment.
As shown in fig. 1, the prior art method for treating sulfur-melting waste gas mostly uses an induced draft fan 102 to introduce the waste gas into a water scrubber 101 for washing and purifying, and the method mainly has the following disadvantages: only one water washing tower 101 is arranged, and only a spray header is arranged in the water washing tower 101 to spray the sulfur melting waste gas, so that the spray density is insufficient, and the washing effect is not ideal; at present, a manufacturer adds a packing layer in the water washing tower 101, and makes water washing liquid fully contact with sulfur melting waste gas through the packing layer to improve the washing effect, but solid sulfur particles generated after cooling sublimed sulfur are extremely easy to condense and block the packing layer, and are difficult to clean.
Disclosure of Invention
The utility model aims to provide a sulfur melting waste gas treatment system, which solves the problems in the prior art, can improve the washing effect of the sulfur melting waste gas and effectively avoid the blockage of a filler layer.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a sulfur melting waste gas treatment system, which comprises a first-stage washing tower and an induced draft device, wherein a gas inlet of the first-stage washing tower can be connected with a flue gas pipeline for introducing sulfur melting waste gas, and the induced draft device can provide power for the flow of the sulfur melting waste gas; the flue gas pipeline is connected with a primary washing pipe, a first spraying device is arranged in the primary washing pipe, and the first spraying device can spray, cool and wash the sulfur melting waste gas; a packing layer is further arranged in the primary washing tower, the packing layer is positioned above the air inlet of the primary washing tower, and the air outlet of the primary washing tower is positioned above the packing layer; the top of packing layer still is provided with second spray set, second spray set can spray the washing liquid on the packing layer, the packing layer can make the washing liquid with melt sulphur waste gas fully contact.
Preferably, a first gas-liquid separation device is further arranged in the first-stage washing tower, the first gas-liquid separation device is positioned above the second spraying device, foam is removed from the sulfur-melting waste gas through the first gas-liquid separation device after passing through the packing layer, sulfur-containing liquid foam carried in the sulfur-melting waste gas is removed, a third spraying device is further arranged above the first gas-liquid separation device, the third spraying device can wash away the sulfur-containing liquid foam, the third spraying device is connected with a water inlet pipe for introducing washing liquid, and an air outlet of the first-stage washing tower is positioned above the first gas-liquid separation device; wherein the washing liquid is desalted water.
Preferably, the liquid outlet of the primary washing tower is also connected with a sedimentation filtering mechanism, the clear liquid outlet of the sedimentation filtering mechanism is connected with the first spraying device and the second spraying device through a liquid supply pipe, and the discharge outlet of the sedimentation filtering mechanism is used for discharging solid sulfur;
the sedimentation filtering mechanism comprises a clear liquid pool and a plurality of sedimentation filtering ponds which are sequentially communicated from front to back, wherein adjacent sedimentation filtering ponds are communicated through communication ports, the communication ports are positioned at the top of the sedimentation filtering ponds, the top of the last sedimentation filtering pond is provided with a clear liquid outlet which is communicated with the clear liquid pool, the clear liquid pool is communicated with the liquid supply pipe, and a first circulating pump is arranged on the liquid supply pipe;
the bottom of the sedimentation filter tank is provided with the discharge port which is connected with the sulfur storage device; the bottom of the sedimentation filter tank is also provided with a liquid outlet which is communicated with the sewage tank.
Preferably, the liquid supply pipe is further connected with a cooling system, the cooling system comprises a heat exchanger and a circulating cooling tower, a liquid channel inlet of the heat exchanger is connected with the liquid supply pipe, a liquid channel outlet is connected with the first spraying device and the second spraying device, a cooling channel inlet of the heat exchanger is communicated with a water outlet of the circulating cooling tower, and a cooling channel outlet is communicated with a water return port of the circulating cooling tower.
Preferably, the sulfur melting waste gas treatment system further comprises a second-stage washing tower, wherein an air outlet of the first-stage washing tower is communicated with an air inlet of the second-stage washing tower through a connecting air pipe, a second-stage washing pipe is connected to the connecting air pipe, and a fourth spraying device is arranged in the second-stage washing pipe and can spray, cool and wash the sulfur melting waste gas in the second-stage washing pipe;
the second gas-liquid separation device is arranged in the second-stage washing tower, is positioned above the gas inlet of the second-stage washing tower and below the gas outlet of the second-stage washing tower, and a fifth spraying device is arranged above the second gas-liquid separation device; the sulfur-melting waste gas enters from the air inlet of the secondary washing tower, upwards passes through the second gas-liquid separation device, and is then discharged from the air outlet of the secondary washing tower;
the liquid outlet of the secondary washing tower is also connected with a washing circulating pool, the water outlet of the washing circulating pool is connected with the fourth spraying device through a second circulating pump, and the fifth spraying device is connected with a water inlet pipe for introducing washing liquid.
Preferably, the first-stage washing tower and the second-stage washing tower are both made of steel lining rubber, and the space velocity in the first-stage washing tower is less than or equal to 1m/s.
Preferably, the air outlet of the secondary washing tower is connected with a chimney through an exhaust pipe, and the induced draft device is arranged on the exhaust pipe; the bottom of the chimney is provided with a third gas-liquid separation device, the bottom of the third gas-liquid separation device is provided with a sewage tank, and the sewage tank is communicated with the sewage tank through a sewage pump.
Preferably, the induced air device is an induced air fan, and the air quantity of the induced air fan is 9000-12000 m 3 And/h, the wind pressure is 2-4KPa; the induced draft fan is also connected with a frequency converter.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the utility model, the first-stage washing pipe is arranged at the air inlet of the first-stage washing tower, so that the molten sulfur waste gas can be sprayed, cooled and washed, and the packing layer is also arranged in the first-stage washing tower, so that the molten sulfur waste gas can be fully contacted with washing liquid in the first-stage washing tower, and gaseous sulfur in the molten sulfur waste gas is cooled and solidified to form solid sulfur, so that the washing effect is improved; moreover, through the preliminary cooling of one-level scrubbing pipe to sulfur melting waste gas, reduce the gaseous sulfur content in the sulfur melting waste gas, can prevent too much gaseous sulfur and cool solidification in the packing layer and block up the packing layer to guarantee the normal operating of packing layer, the scrubbing liquid that second spray set sprayed can also wash the solid sulfur in the packing layer moreover, has further avoided the jam of packing layer.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and 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 a prior art process flow for sulfur melting exhaust gas remediation;
in fig. 1, 101 is a water scrubber, 102 is an induced draft fan, 103 is a chimney, 104 is a circulating sedimentation tank, and 104 is a washing pump;
FIG. 2 is a schematic diagram of a process flow for sulfur melting exhaust gas treatment in an embodiment of the utility model;
in fig. 2, 1 is a primary washing pipe, 2 is a graphite heat exchanger, 3 is a first circulating pump, 4 is a primary washing tower, 5 is a secondary washing tower, 6 is a secondary washing pipe, 7 is a second circulating pump, 8 is an induced draft fan, 9 is a chimney, 10 is a primary sedimentation filter tank, 11 is a secondary sedimentation filter tank, 12 is a clear liquid tank, 13 is a washing circulating tank, 14 is a sewage tank, and 15 is a sewage pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a sulfur melting waste gas treatment system, which solves the problems in the prior art, can improve the washing effect of the sulfur melting waste gas and effectively avoid the blockage of a filler layer.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1
As shown in fig. 2, the embodiment provides a sulfur melting waste gas treatment system, which comprises a first-stage washing tower 4 and an induced draft device, wherein a gas inlet of the first-stage washing tower 4 can be connected with a flue gas pipeline for introducing sulfur melting waste gas, and the induced draft device can provide power for the flow of the sulfur melting waste gas; the flue gas pipeline is connected with a primary washing pipe 1, a first spraying device is arranged in the primary washing pipe 1, and the first spraying device can spray, cool and wash the sulfur melting waste gas; the first-stage washing tower 4 is internally provided with a packing layer, the packing layer is positioned above the air inlet of the first-stage washing tower 4 and is matched with the cross section of the first-stage washing tower 4 in size, the cross section of the inner cavity of the first-stage washing tower 4 can be covered, and the air outlet of the first-stage washing tower 4 is positioned above the packing layer; the second spraying device is further arranged above the packing layer, the second spraying device can spray the washing liquid onto the packing layer, and the sulfur melting waste gas enters from the air inlet of the primary washing tower 4, upwards passes through the packing layer and is discharged from the air outlet of the primary washing tower 4.
Further, the packing layer is a packing layer mainly filled with pall rings or raschig rings in the prior art, so that the gas-liquid contact surface can be increased, and the sulfur-melting waste gas and the washing liquid can be fully contacted.
The first-stage washing pipe 1 is arranged at the air inlet of the first-stage washing tower 4, so that the sulfur-melting waste gas can be sprayed, cooled and washed, and the packing layer is also arranged in the first-stage washing tower 4, so that the sulfur-melting waste gas can be fully contacted with washing liquid in the first-stage washing tower 4, and gaseous sulfur in the sulfur-melting waste gas is cooled and solidified to form solid sulfur, so that the washing effect is improved; moreover, through the preliminary cooling of one-level scrubbing pipe 1 to sulfur melting waste gas, reduce the gaseous sulfur content in the sulfur melting waste gas, can prevent too much gaseous sulfur and cool solidification in the packing layer and block up the packing layer to guarantee the normal operating of packing layer, the washing liquid that second spray set sprayed can also wash the solid sulfur in the packing layer moreover, has further avoided the jam of packing layer.
In the embodiment, two flue gas pipelines are arranged and are respectively used for collecting sulfur melting waste gas in a sulfur melting tank and a sulfur refining tank, and the two flue gas pipelines are connected with a primary washing pipe 1 and are communicated with an air inlet of a primary washing tower 4; wherein, the sulfur melting tank and the refined sulfur tank are mature prior art in the field, and are all formed by heating solid sulfur through a steam coil pipe to form molten sulfur, and simultaneously, air with high temperature gas, water vapor and mixed gas of sublimated sulfur are generated; the first-stage washing pipe 1 is arranged at the flue gas pipeline to spray, so that the high-temperature gas generated by the sulfur melting tank and the refined sulfur tank can be primarily cooled, and the normal operation of a packing layer in the first-stage washing tower 4 is ensured.
In the embodiment, a steam jacket is sleeved on the flue gas pipeline at a position close to the outlet section of the sulfur melting tank or the refined sulfur tank, high-temperature steam is introduced into the steam jacket for heating, thereby preventing sublimed sulfur in the sulfur melting waste gas from cooling and solidifying and blocking the flue gas pipeline; wherein, the flue gas pipeline is preferably made of high-temperature-resistant steel lining vulcanized rubber.
In this embodiment, a first gas-liquid separation device is further disposed in the first-stage washing tower 4, the first gas-liquid separation device is located above the second spraying device, the sulfur-melting waste gas passes through the first gas-liquid separation device to remove foam after passing through the packing layer, and sulfur-containing liquid foam entrained in the sulfur-melting waste gas is removed, and a third spraying device is further disposed above the first gas-liquid separation device, and can wash away the sulfur-containing liquid foam, so that the sulfur-containing liquid foam flows to the bottom of the first-stage washing tower 4, and is discharged from a liquid outlet at the bottom; the third spraying device is also connected with a water inlet pipe for introducing washing liquid, and the air outlet of the first-stage washing tower 4 is positioned above the first gas-liquid separation device; wherein, the washing liquid is preferably desalted water, so that the washing cost is reduced compared with alkali washing.
In the embodiment, in order to ensure that sublimed sulfur is sufficiently washed under front end washing and reduce the phenomenon of exceeding discharge standard caused by backward movement, the space velocity (wherein the space velocity refers to the flow velocity of molten sulfur waste gas in the tower) of the first-stage washing tower 4 is below 1.0 m/s, so that fine particle suspended matters formed after cooling and washing of sublimed sulfur can be separated from the first-stage washing tower 4 to the greatest extent, and the load of the second-stage washing tower 5 is reduced to ensure that the discharge tail gas index reaches the standard and is discharged; further, the tower diameter and the tower material of the primary washing tower 4 can be selected according to the working requirement, specifically, the tower diameter is preferably 2000mm, and the tower material is preferably steel lining rubber.
In the embodiment, a liquid outlet at the bottom of the primary washing tower 4 is also connected with a sedimentation filtering mechanism, a clear liquid outlet of the sedimentation filtering mechanism is connected with the first spraying device and the second spraying device through a liquid supply pipe, and a discharge hole of the sedimentation filtering mechanism is used for discharging solid sulfur; specifically, sedimentation filter mechanism includes clear liquid pond 12 and a plurality of sedimentation filter tanks that communicate in proper order from front to back, be provided with solid-liquid separation device in the sedimentation filter tank, can make solid sulfur and the liquid separation in the washing liquid, communicate through the communication opening between the adjacent sedimentation filter tank, the communication opening is located the top of sedimentation filter tank, the top at last sedimentation filter tank top is provided with clear liquid export and clear liquid pond 12 intercommunication, clear liquid pond 12 and feed liquid pipe intercommunication, wherein install first circulating pump 3 on the feed liquid pipe for the flow power of clear liquid.
In the embodiment, the bottom of the sedimentation filter tank is also provided with a discharge port, and the discharge port is connected with a sulfur storage device and is used for conveying solid sulfur generated after solid-liquid separation to the sulfur storage device for storage, wherein the sulfur storage device is preferably a sulfur warehouse; the bottom of the sedimentation filter tank is also provided with a liquid outlet which is communicated with the sewage tank, and when the treatment of the sulfur melting waste gas is completed, the waste water is discharged to the sewage tank.
In this embodiment, the number of sedimentation filter tanks can be adjusted according to specific working requirements, for example, two-stage or three-stage sedimentation filter tanks can be arranged; wherein, it should be noted that the total volume of the sedimentation filter tank is not less than 20 cubic meters to ensure the sufficient sedimentation separation of sulfur, and the material of the sedimentation filter tank is preferably steel lining rubber. Further, a plate-and-frame filter press can be selected as a solid-liquid separation device in the sedimentation filter tank, and the sulfur-containing liquid is forcedly filtered, so that the solid-liquid separation is realized.
In the embodiment, the liquid supply pipe is also connected with a cooling system, which can cool the clear liquid generated after the solid-liquid separation, and then the clear liquid enters spray washing to prevent the secondary sublimation of sulfur caused by the temperature rise of the washing liquid in the circulating washing; specifically, the cooling system comprises a heat exchanger and a circulating cooling tower, wherein a liquid channel inlet of the heat exchanger is connected with a liquid supply pipe, a liquid channel outlet of the heat exchanger is connected with a first spraying device and a second spraying device, a cooling channel inlet of the heat exchanger is communicated with a water outlet of the circulating cooling tower through a third circulating pump, and a cooling channel outlet of the heat exchanger is communicated with a water return port of the circulating cooling tower; and cooling water in the circulating cooling tower enters a cooling channel of the heat exchanger to cool clear liquid in the liquid channel, and after the temperature of the cooling water rises, the cooling water flows back to the circulating cooling tower again to be cooled. Of these, the heat exchanger is preferably a graphite heat exchanger 2.
In the embodiment, the sulfur melting waste gas treatment system further comprises a second-stage washing tower 5, the air outlet of the first-stage washing tower 4 is communicated with the air inlet of the second-stage washing tower 5 through a connecting air pipe, the connecting air pipe is connected with a second-stage washing pipe 6, and a fourth spraying device is arranged in the second-stage washing pipe 6 and can spray, cool and wash the sulfur melting waste gas in the second-stage washing pipe 6; the second gas-liquid separation device is arranged in the second-stage washing tower 5, is positioned above the gas inlet of the second-stage washing tower 5 and below the gas outlet of the second-stage washing tower 5, and a fifth spraying device is arranged above the second gas-liquid separation device; after entering from the air inlet of the secondary washing tower 5, the sulfur-melting waste gas upwards passes through the second gas-liquid separation device and is discharged from the air outlet of the secondary washing tower 5; the liquid outlet at the bottom of the second-stage washing tower 5 is also connected with a washing circulating pool 13, the water outlet of the washing circulating pool 13 is connected with a fourth spraying device through a second circulating pump 7, and the fifth spraying device is connected with a water inlet pipe for introducing washing liquid.
Further, the tower diameter and the tower material of the secondary washing tower 5 can be selected according to the working requirement, specifically, the tower diameter of the secondary washing tower 5 is preferably 2200mm, and the tower material is preferably steel lining rubber.
In the embodiment, the first-stage washing tower 4 and the second-stage washing tower 5 are arranged for two-stage washing, so that the washing effect can be effectively improved, and the emission of the flue gas particles can be ensured to reach the emission standard; the first gas-liquid separation device in the first-stage washing tower 4 and the second gas-liquid separation device in the second-stage washing tower 5 can be selected according to specific working requirements, and as a preferred implementation mode, the first gas-liquid separation device and the second gas-liquid separation device are inclined-plate type foam removers, and the inclined-plate type foam removers have long-stroke large inclined angles and can effectively remove sulfur-containing foam carried in sulfur-melting waste gas.
In the present embodiment, since the operation period of the sulfur melting tank is long, sublimed sulfur is continuously generated, and in order to prevent clogging of equipment and piping due to deposition of sublimed sulfur, the first circulation pump 3, the second circulation pump 7 and the third circulation pumpThe pumps must be kept running for a long time, so the first circulating pump 3, the second circulating pump 7 and the third circulating pump are selected to be corrosion-resistant pumps with low lift and low power; specifically, the first circulation pump 3, the second circulation pump 7 and the third circulation pump are all 60m in flow rate 3 And (3) selecting nonmetallic corrosion-resistant materials such as polytetrafluoroethylene lining or plastic lining as materials for the centrifugal pump with the lift of 25 meters.
In the embodiment, an air outlet of the secondary washing tower 5 is connected with a chimney through an exhaust pipe, and an induced draft device is arranged on the exhaust pipe; the induced air device can be selected according to specific working requirements, such as a draught fan 8 or an air pump. As a preferred embodiment, in this embodiment, the induced air device is an induced draft fan 8, in order to reduce overflow of sublimated sulfur, the air volume of the induced draft fan 8 is not too large, the air volume is used to ensure that the flue gas of the sulfur melting tank does not overflow, and the principle that the induced draft device is in a micro negative pressure state is as follows: the air quantity of the induced draft fan 8 is preferably 9000-12000 m 3 And/h, the wind pressure is preferably 3KPa, and the induced draft fan 8 is also connected with a frequency converter, so that the energy conservation can be realized by adopting frequency conversion control and timely adjusting the magnitude of the induced draft according to the load magnitude.
In the embodiment, the bottom of the chimney is provided with a third gas-liquid separation device, the bottom of the third gas-liquid separation device is provided with a sewage tank 14, the sewage tank 14 is communicated with the sewage tank through a sewage pump 15, wherein the sewage tank 14 is preferably a ground tank, and a liquid outlet at the bottom of the sedimentation filter tank can also be communicated with the sewage tank 14; in particular, the third gas-liquid separation device is preferably a cyclone demister; the cyclone foam remover is a mature prior art in the field, can enable gas to enter in a tangential direction and come out of the central pipe, enables the gas to form a cyclone, realizes gas-liquid separation under the action of centrifugal force, and further removes sulfur-containing foam carried in the gas. Furthermore, the chimney is made of nonmetallic materials.
Example two
The embodiment provides a sulfur melting waste gas treatment method, which adopts the sulfur melting waste gas treatment system in the first embodiment, and mainly comprises the following steps:
s1, spraying, cooling and washing sulfur-melting waste gas through a primary spraying device so as to convert gaseous sulfur in the sulfur-melting waste gas into solid sulfur;
s2, spraying a washing liquid to the packing layer through a second spraying device, enabling the sulfur melting waste gas to be in full contact with the washing liquid in the first-stage washing tower 4 through the packing layer, so that gaseous sulfur in the sulfur melting waste gas is cooled and solidified to form solid sulfur, and the washing liquid can wash the solid sulfur in the packing layer.
In this embodiment, the sulfur melting exhaust gas treatment method further includes the steps of:
after washing the sulfur-melting waste gas by the washing liquid, carrying out solid-liquid separation on the washing liquid, recovering solid sulfur, cooling clear liquid generated after the solid-liquid separation, and then introducing the clear liquid into a first spraying device and a second spraying device;
and (3) carrying out gas-liquid separation on the washed sulfur-melting waste gas, removing sulfur-containing liquid foam carried in the sulfur-melting waste gas, and discharging the sulfur-melting waste gas into the atmosphere.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. A sulfur melting waste gas treatment system is characterized in that: the device comprises a first-stage washing tower and an induced draft device, wherein an air inlet of the first-stage washing tower can be connected with a flue gas pipeline for introducing sulfur-melting waste gas, and the induced draft device can provide power for the flow of the sulfur-melting waste gas; the flue gas pipeline is connected with a primary washing pipe, a first spraying device is arranged in the primary washing pipe, and the first spraying device can spray, cool and wash the sulfur melting waste gas; a packing layer is further arranged in the primary washing tower, the packing layer is positioned above the air inlet of the primary washing tower, and the air outlet of the primary washing tower is positioned above the packing layer; the top of packing layer still is provided with second spray set, second spray set can spray the washing liquid on the packing layer, the packing layer can make the washing liquid with melt sulphur waste gas fully contact.
2. The sulfur melt exhaust gas treatment system according to claim 1, wherein: the first gas-liquid separation device is arranged in the first-stage washing tower, the first gas-liquid separation device is positioned above the second spraying device, foam is removed from the sulfur-melting waste gas through the first gas-liquid separation device after passing through the packing layer, sulfur-containing liquid foam carried in the sulfur-melting waste gas is removed, a third spraying device is arranged above the first gas-liquid separation device, the third spraying device can wash away the sulfur-containing liquid foam, the third spraying device is connected with a water inlet pipe for introducing washing liquid, and an air outlet of the first-stage washing tower is positioned above the first gas-liquid separation device; wherein the washing liquid is desalted water.
3. The sulfur melt exhaust gas treatment system according to claim 1, wherein: the liquid outlet of the primary washing tower is also connected with a sedimentation filtering mechanism, the clear liquid outlet of the sedimentation filtering mechanism is connected with the first spraying device and the second spraying device through a liquid supply pipe, and the discharge outlet of the sedimentation filtering mechanism is used for discharging solid sulfur;
the sedimentation filtering mechanism comprises a clear liquid pool and a plurality of sedimentation filtering ponds which are sequentially communicated from front to back, wherein adjacent sedimentation filtering ponds are communicated through communication ports, the communication ports are positioned at the top of the sedimentation filtering ponds, the top of the last sedimentation filtering pond is provided with a clear liquid outlet which is communicated with the clear liquid pool, the clear liquid pool is communicated with the liquid supply pipe, and a first circulating pump is arranged on the liquid supply pipe;
the bottom of the sedimentation filter tank is provided with the discharge port which is connected with the sulfur storage device; the bottom of the sedimentation filter tank is also provided with a liquid outlet which is communicated with the sewage tank.
4. A sulfur melt exhaust gas remediation system according to claim 3 wherein: the liquid supply pipe is also connected with a cooling system, the cooling system comprises a heat exchanger and a circulating cooling tower, a liquid channel inlet of the heat exchanger is connected with the liquid supply pipe, a liquid channel outlet is connected with the first spraying device and the second spraying device, a cooling channel inlet of the heat exchanger is communicated with a water outlet of the circulating cooling tower, and a cooling channel outlet is communicated with a water return port of the circulating cooling tower.
5. The sulfur melt exhaust gas treatment system according to any one of claims 1 to 4, wherein: the sulfur melting waste gas treatment system further comprises a second-stage washing tower, the air outlet of the first-stage washing tower is communicated with the air inlet of the second-stage washing tower through a connecting air pipe, a second-stage washing pipe is connected to the connecting air pipe, and a fourth spraying device is arranged in the second-stage washing pipe and can spray, cool and wash the sulfur melting waste gas in the second-stage washing pipe;
the second gas-liquid separation device is arranged in the second-stage washing tower, is positioned above the gas inlet of the second-stage washing tower and below the gas outlet of the second-stage washing tower, and a fifth spraying device is arranged above the second gas-liquid separation device; the sulfur-melting waste gas enters from the air inlet of the secondary washing tower, upwards passes through the second gas-liquid separation device, and is then discharged from the air outlet of the secondary washing tower;
the liquid outlet of the secondary washing tower is also connected with a washing circulating pool, the water outlet of the washing circulating pool is connected with the fourth spraying device through a second circulating pump, and the fifth spraying device is connected with a water inlet pipe for introducing washing liquid.
6. The sulfur melt exhaust gas treatment system according to claim 5, wherein: the primary washing tower and the secondary washing tower are made of steel lining rubber, and the space velocity in the primary washing tower is less than or equal to 1m/s.
7. The sulfur melt exhaust gas treatment system of claim 6, wherein: the air outlet of the secondary washing tower is connected with a chimney through an exhaust pipe, and the induced draft device is arranged on the exhaust pipe; the bottom of the chimney is provided with a third gas-liquid separation device, the bottom of the third gas-liquid separation device is provided with a sewage tank, and the sewage tank is communicated with the sewage tank through a sewage pump.
8. The sulfur melt exhaust gas treatment system of claim 7, wherein: the induced air device is an induced air fan, and the air quantity of the induced air fan is 9000-12000 m 3 And/h, the wind pressure is 2-4KPa; the induced draft fan is also connected with a frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151666.6U CN218981057U (en) | 2022-11-24 | 2022-11-24 | Sulfur melting waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151666.6U CN218981057U (en) | 2022-11-24 | 2022-11-24 | Sulfur melting waste gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218981057U true CN218981057U (en) | 2023-05-09 |
Family
ID=86218120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223151666.6U Active CN218981057U (en) | 2022-11-24 | 2022-11-24 | Sulfur melting waste gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218981057U (en) |
-
2022
- 2022-11-24 CN CN202223151666.6U patent/CN218981057U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102336496B (en) | Method for treating and recycling ash water in dry coal dust gasification device | |
| CN105087946B (en) | Method for recycling arsenic from copper smelting smoke dust | |
| CN202358984U (en) | Ash sluicing water treatment and cyclic utilization system for dry pulverized coal gasification device | |
| CN109966879A (en) | The method and apparatus of sulphur tail gas after incineration sodium method deep desulfuration control alkali | |
| CN111589283A (en) | Method for efficiently removing sulfur dioxide in tail gas | |
| CN210141791U (en) | Rotary kiln flue gas waste heat recoverer and comprehensive utilization system | |
| CN202880923U (en) | Titanium tetrachloride wet-process dust collecting and leaching device | |
| CN1231413C (en) | Method for preparing sulfuric acid by using five-section catalyst two-conversion and two-absorption of flue gas of lead bottom blowing furnace | |
| CN218981057U (en) | Sulfur melting waste gas treatment system | |
| CN206881437U (en) | A kind of MDF dries tail gas biochemical treatment system | |
| CN206980436U (en) | Cyclone phase change sieve-filtration flue gas desulfurization complementary energy recovery integrated reactor | |
| CN203737036U (en) | Device for cooperatively reinforcing PM2.5 removing and deep utilization of flue gas residual heat | |
| CN205392144U (en) | Vanadium slag calcination vent gas treatment system in | |
| CN202161911U (en) | Flue gas treatment equipment | |
| CN201776079U (en) | Equipment for purifying and treating waste gas in sand mould modeling line cooling duct | |
| CN206391808U (en) | A kind of steel mill dust arrester | |
| CN115738349A (en) | Sulfur melting waste gas treatment system and method | |
| CN216728718U (en) | Totally-enclosed negative-pressure tail gas treatment equipment for sulfur wet forming device | |
| CN105056695B (en) | Furfural vapour slag separating and reclaiming device and its recovery method | |
| CN210752010U (en) | Desulphurization unit of sulphur process gas among hydrogen fluoride preparation process | |
| CN204261648U (en) | A kind of filtering type sulfur melting kettle | |
| CN103757164A (en) | Dry type pelletizing and waste heat recovering device of high-temperature slags | |
| CN204661323U (en) | A kind of sulphur vapor collection setup | |
| CN112774423A (en) | Purification treatment process for flue gas generated after organic waste gas incineration | |
| CN112933905A (en) | Efficient and energy-saving graphitized tail gas treatment system and treatment process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |