CN113003541A - Novel quick sulfur melting tank system - Google Patents
Novel quick sulfur melting tank system Download PDFInfo
- Publication number
- CN113003541A CN113003541A CN202110241566.3A CN202110241566A CN113003541A CN 113003541 A CN113003541 A CN 113003541A CN 202110241566 A CN202110241566 A CN 202110241566A CN 113003541 A CN113003541 A CN 113003541A
- Authority
- CN
- China
- Prior art keywords
- sulfur
- melting tank
- steam
- sulfur melting
- heat exchange
- 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.)
- Pending
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 239000011593 sulfur Substances 0.000 title claims abstract description 105
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 105
- 238000002844 melting Methods 0.000 title claims abstract description 59
- 230000008018 melting Effects 0.000 title claims abstract description 59
- 239000000428 dust Substances 0.000 claims abstract description 50
- 238000011084 recovery Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 42
- 239000005864 Sulphur Substances 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000007787 solid Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000010309 melting process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/0221—Melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/005—Fusing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A novel rapid sulfur melting tank system comprises a sulfur melting tank 1, a heat exchange plate group, a sublimed sulfur dust recovery device, a deslagging device and a stirring device; the top of the sulfur melting tank 1 is provided with a horizontal tank cover 2; a first through hole 3 is formed in the center of the groove cover 2; a manhole 4, a sulfur-containing dust steam outlet 5, a material inlet 6 and a plurality of second through holes 7 are respectively arranged around the first through hole 3; a manhole cover 8 is arranged on the manhole 4; a sublimed sulfur dust recovery device is connected to the sulfur dust vapor outlet 5; the first through hole 3 is provided with a stirring device; the invention has the advantages of increasing the efficiency of sulfur fixation and melting, improving the economic benefit, saving energy, reducing consumption, being safe and protecting environment.
Description
Technical Field
The invention belongs to the technical field of chemical equipment, and particularly relates to a novel rapid sulfur melting tank system.
Background
In the process of preparing acid by sulfur, solid sulfur needs to be heated and melted to form liquid sulfur. The rapid sulfur melting tank is equipment for melting solid sulfur into liquid sulfur and primarily purifying the liquid sulfur. In the solid sulfur melting process, solid sulfur is heated and melted by saturated steam in a steam coil after entering a sulfur melting tank, meanwhile, impurities mixed in the sulfur are separated, and liquid sulfur enters the next procedure and is further purified in a clarifying tank and a fine sulfur tank to become pure liquid sulfur. However, in the process, the coil is used for heating and melting the solid sulfur, so that the heat exchange area is small and the heat exchange efficiency is not high. In addition, a large amount of sulfur dust-containing vapor is generated in the sulfur melting process, and if the sulfur dust-containing vapor is directly discharged into the air, serious environmental pollution is caused; impurities after sulfur melting are accumulated at the bottom of the sulfur melting tank, and the machine also needs to be stopped in time for manual cleaning.
Based on the problems, it is necessary to design a set of sulfur melting tank system which is more energy-saving, consumption-reducing, safe and environment-friendly.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a novel rapid sulfur melting tank system.
In order to achieve the purpose, the invention adopts the technical scheme that:
a novel rapid sulfur melting tank system comprises a sulfur melting tank 1, a heat exchange plate group, a sublimed sulfur dust recovery device, a deslagging device and a stirring device;
the top of the sulfur melting tank 1 is provided with a horizontal tank cover 2; a first through hole 3 is formed in the center of the groove cover 2; a manhole 4, a sulfur-containing dust steam outlet 5, a material inlet 6 and a plurality of second through holes 7 are respectively arranged around the first through hole 3; a manhole cover 8 is arranged on the manhole 4; a sublimed sulfur dust recovery device is connected to the sulfur dust vapor outlet 5; the first through hole 3 is provided with a stirring device;
the lower end of the sulfur melting tank 1 is arranged to be a conical structure, and the bottom of the sulfur melting tank is provided with an access hole 12;
a material outlet 13 is arranged on the side wall of the sulfur melting tank 1;
the heat exchange plate pack comprises a plurality of heat exchange plates 14; the heat exchange plate 14 is in a strip shape and vertically arranged inside the sulfur melting tank 1 after penetrating through the second through hole 7;
the tank cover 2 is provided with a fire steam inlet 46.
The deslagging device comprises a deslagging channel 44; one end of the slag removal channel 44 is arranged at the bottom of the sulfur melting tank 1; the other end of the slag removal passage 44 is disposed outside the sulfur melting tank 1 through the tank cover 2.
Further, the heat exchange plate 14 includes a plurality of first heating plates 15, the first heating plates 15 are hollow structures, the first heating plates 15 are arranged at intervals, and the side portions of the first heating plates 15 are connected through heating plate positioning plates 16, the top portions of the first heating plates 15 are connected with heating plate group flanges 18 through fixing pipes 17, connecting hoses 19 are connected to the heating plate group flanges 18, the bottom ends of the connecting hoses 19 are communicated with the fixing pipes 17, the top ends of the connecting hoses 19 are connected with steam distributing cylinders 20, the two steam distributing cylinders 20 are located on two sides of the heating plate group flanges 18, one steam distributing cylinder 20 is provided with a first steam inlet pipe 21, and the other steam distributing cylinder 20 is provided with a first condensate water outlet pipe 41; the heating plate group flange 3 is provided with 4 lifting lugs 23 and connecting pieces 24, and the connecting pieces 24 are used for connecting two ends of the steam distributing cylinder 20.
Further, the sublimed sulfur dust recovery device comprises a connecting section 25, a sulfur-containing dust treatment section 26 and an exhaust section 27; the connecting section 25 is arranged at the bottom of the sublimed sulfur dust recovery device and is connected with the sulfur-containing dust vapor outlet 5; a sulfur-containing dust treatment section 26 is arranged above the connecting section 25; the top of the sulfur-containing dust treatment section 26 is provided with an exhaust section 27; the top of the exhaust section 27 is provided with an exhaust port 28.
Further, a temperature sensor is arranged in the sulfur-containing dust treatment section 26.
Further, the end of the first heating plate 15 is located at the position of the lower conical structure of the sulfur melting tank 1.
Compared with the prior art, the invention has at least the following beneficial effects:
this application installs sulfur melting heating device on sulfur melting tank, and the device structure mainly includes three major parts: heat exchange plate group, sublimed sulphur dust recovery unit and slagging-off machine. The sulfur melting tank is a heating place and can also be used as a solid sulfur and liquid sulfur container, the heat exchange plate group is used for heating solid sulfur, the main body adopts a stainless steel heat exchange plate, saturated steam is introduced into the heat exchange plate to heat the solid sulfur, so that the solid sulfur is liquefied, and the number of the heat exchange plates, the size of the heat exchange plates and the number of the heat exchange plate groups in a single group of the heat exchange plate group can be adjusted according to actual needs. In whole sulphur melting process, can produce the steam that contains the sulphur dust of subliming in a large number in the sulphur melting tank, in order to reduce the influence to the environment, install the sulphur dust recovery unit of subliming on the sulphur melting tank, can combine owner's actual conditions to carry out dynamic or unpowered recovery, determine the size and the quantity of subliming sulphur dust recovery unit according to actual treatment tolerance and site conditions. For waste residues deposited at the bottom, impurities brought by sulfur are forcibly stirred by a stirring paddle and then sent to a next system in the traditional method, and the impurities generated by sedimentation in the sulfur melting process can be automatically or manually salvaged by a deslagging device.
The invention has the advantages of increasing the efficiency of sulfur fixation and melting, improving the economic benefit, saving energy, reducing consumption, being safe and protecting environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a heat exchange plate assembly of the present invention;
FIG. 4 is a schematic view of the sublimed sulfur dust recovering apparatus of the present invention;
in the figure: a sulfur melting tank 1; a slot cover 2; a first through-hole 3; a manhole 4; a sulfur-containing dust steam outlet 5; a material inlet 6; a second through hole 7; a manhole cover 8; an access opening 12; a material outlet 13; a heat exchange plate 14; a first heating plate 15; a heating plate positioning plate 16; a fixed tube 17; a heating plate group flange 18; a connection hose 19; a steam separation cylinder 20; a first steam inlet pipe 21; a lifting lug 23; a connecting piece 24; a connecting section 25; a sulfur-containing dust treatment section 26; an exhaust section 27; an exhaust port 28; a slag removal passage 44; a fire steam inlet 46.
Detailed Description
As shown in the figure:
example 1:
a novel rapid sulfur melting tank system comprises a sulfur melting tank 1, a heat exchange plate group, a sublimed sulfur dust recovery device, a deslagging device and a stirring device;
the top of the sulfur melting tank 1 is provided with a horizontal tank cover 2; a first through hole 3 is formed in the center of the groove cover 2; a manhole 4, a sulfur-containing dust steam outlet 5, a material inlet 6 and a plurality of second through holes 7 are respectively arranged around the first through hole 3; a manhole cover 8 is arranged on the manhole 4; a sublimed sulfur dust recovery device is connected to the sulfur dust vapor outlet 5; the first through hole 3 is provided with a stirring device;
the lower end of the sulfur melting tank 1 is arranged to be a conical structure, and the bottom of the sulfur melting tank is arranged at an access hole 12;
a material outlet 13 is arranged on the side wall of the sulfur melting tank 1;
the heat exchange plate pack comprises a plurality of heat exchange plates 14; the heat exchange plate 14 is in a strip shape and vertically and movably arranged in the sulfur melting tank 1 through the second through hole 7.
The slot cover 2 is provided with a fire-fighting steam inlet 46;
the deslagging device comprises a deslagging channel 44; one end of the slag removal channel 44 is arranged at the bottom of the sulfur melting tank 1; the other end of the slag removal passage 44 is disposed outside the sulfur melting tank 1 through the tank cover 2.
Example 2:
on the basis of embodiment 1, the heat exchange plate 14 includes a plurality of first heating plates 15, the first heating plates 15 are hollow structures, the first heating plates 15 are arranged at intervals, and the side portions of the first heating plates 15 are connected through heating plate positioning plates 16, the top portions of the first heating plates 15 are connected with heating plate group flanges 18 through fixed pipes 17, connecting hoses 19 are connected to the heating plate group flanges 18, the bottom ends of the connecting hoses 19 are communicated with the fixed pipes 17, the top ends of the connecting hoses 19 are connected with steam distributing cylinders 20, two steam distributing cylinders 20 are arranged at two sides of the heating plate group flanges 18, one steam distributing cylinder 20 is provided with a first steam inlet pipe 21, and the other steam distributing cylinder 20 is provided with a second condensate water outlet pipe 34; the heating plate group flange 3 is provided with 4 lifting lugs 23 and connecting pieces 24, and the connecting pieces 24 are used for connecting two ends of the steam distributing cylinder 20.
Example 3:
on the basis of the embodiment 1-2, the sublimed sulfur dust recovery device comprises a connecting section 25, a sulfur-containing dust treatment section 26 and an exhaust section 27; the connecting section 25 is arranged at the bottom of the sublimed sulfur dust recovery device and is connected with the sulfur-containing dust vapor outlet 5; a sulfur-containing dust treatment section 26 is arranged above the connecting section 25; the top of the sulfur-containing dust treatment section 26 is provided with an exhaust section 27; the exhaust port 28 is provided at the top of the exhaust section 27.
Example 4:
on the basis of examples 1 to 3, a temperature sensor is provided in the sulfur-containing dust treatment section 26.
Example 5:
on the basis of examples 1 to 4, the end of the first heating plate 15 is located at the position of the lower conical structure of the sulfur melting tank 1.
When the device is used, the heating plate group can be inserted into the sulfur melting tank in a vertical state; the stirring device is arranged on the first through hole 3, and a manhole is closed; the fire-fighting steam inlet is externally connected with fire-fighting water steam and is used in case of accident; solid or flaky sulfur enters from a material inlet 6 and is heated through a heat exchange plate group, the actual number of the heat exchange plate group is determined according to calculation and field installation conditions, saturated steam enters from a first steam inlet pipe 21, provides required heat for sulfur melting through a heating plate and is discharged from a first condensed water discharge pipe 41; during the melting process of solid or flaky sulfur, a large amount of sublimed sulfur dust generates sulfur dust vapor in the rapid sulfur melting tank, so a sublimed sulfur dust recovery device is needed to capture and recover the sulfur dust; solid impurities naturally settled at the bottom are automatically discharged by the deslagging device at regular time; the molten sulfur flows into the next working procedure through the material outlet.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A novel rapid sulfur melting tank system is characterized by comprising a sulfur melting tank (1), a heat exchange plate group, a sublimed sulfur dust recovery device, a deslagging device and a stirring device;
a horizontal groove cover (2) is arranged at the top of the sulfur melting groove (1); a first through hole (3) is formed in the center of the groove cover (2); a manhole (4), a sulfur-containing dust steam outlet (5), a material inlet (6) and a plurality of second through holes (7) are respectively arranged around the first through hole (3); a manhole cover (8) is arranged on the manhole (4); a sublimed sulfur dust recovery device is connected to the sulfur dust vapor outlet (5); a stirring device is arranged on the first through hole (3);
the lower end of the sulfur melting tank (1) is arranged to be a conical structure, and the bottom of the sulfur melting tank is provided with an access hole (12);
a material outlet (13) is arranged on the side wall of the sulfur melting tank (1);
the heat exchange plate set comprises a plurality of heat exchange plates (14); the heat exchange plate (14) is in a strip shape and vertically arranged inside the sulfur melting tank (1) after penetrating through the second through hole (7);
a fire-fighting steam inlet (46) is arranged on the groove cover (2);
the deslagging device comprises a deslagging channel (44); one end of the slag removal channel (44) is arranged at the bottom of the sulfur melting tank (1); the other end of the deslagging channel (44) passes through the groove cover (2) and is arranged outside the sulfur melting groove (1).
2. The novel rapid sulfur melting tank system according to claim 1, wherein the heat exchange plate (14) comprises a plurality of first heating plates (15), the first heating plates (15) are hollow, the first heating plates (15) are arranged at intervals, the side parts of the first heating plates (15) are connected through heating plate positioning plates (16), the top parts of the first heating plates (15) are connected with heating plate group flanges (18) through fixing pipes (17), the heating plate group flange (18) is connected with a connecting hose (19), the bottom end of the connecting hose (19) is communicated with the fixed pipe (17), the top end of the connecting hose (19) is connected with two steam cylinders (20), the two steam cylinders (20) are positioned at the two sides of the heating plate group flange (18), one steam cylinder (20) is provided with a first steam inlet pipe (21), and the other steam cylinder (20) is provided with a first condensate water outlet pipe (41); the heating plate group flange (3) is provided with lifting lugs (23) and connecting pieces (24), the number of the lifting lugs (23) is 4, and the connecting pieces (24) are used for connecting two ends of the steam distributing cylinder (20).
3. The novel rapid sulfur melting tank system according to claim 1, wherein the sublimed sulfur dust recovery device comprises a connecting section (25), a sulfur-containing dust processing section (26) and an exhaust section (27); the connecting section (25) is arranged at the bottom of the sublimed sulfur dust recovery device and is connected with the sulfur-containing dust steam outlet (5); a sulfur-containing dust treatment section (26) is arranged above the connecting section (25); the top of the sulfur-containing dust treatment section (26) is provided with an exhaust section (27); the top of the exhaust section (27) is provided with an exhaust port (28).
4. The novel rapid sulfur melting tank system according to claim 3, characterized in that a temperature sensor is arranged in the sulfur-containing dust treatment section (26).
5. A new rapid sulphur melting tank system according to claim 2, wherein the end of the first heating plate (15) is located at the lower section of the sulphur melting tank (1) where the conical structure is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241566.3A CN113003541A (en) | 2021-03-04 | 2021-03-04 | Novel quick sulfur melting tank system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241566.3A CN113003541A (en) | 2021-03-04 | 2021-03-04 | Novel quick sulfur melting tank system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113003541A true CN113003541A (en) | 2021-06-22 |
Family
ID=76405638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110241566.3A Pending CN113003541A (en) | 2021-03-04 | 2021-03-04 | Novel quick sulfur melting tank system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113003541A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1115497A (en) * | 1979-06-26 | 1982-01-05 | Pekka T. Setala | Apparatus for the vaporization of elemental sulfur by means of carrier gas |
| US4497635A (en) * | 1982-12-01 | 1985-02-05 | Rodger Blackwood | Sulfur remelting |
| CN203373150U (en) * | 2013-06-07 | 2014-01-01 | 鞍钢股份有限公司 | Slag discharging device of sulfur melter |
| CA2821527A1 (en) * | 2012-08-13 | 2014-02-13 | Cti Consulting, Llc | Sulfur melting system and method |
| CN106890600A (en) * | 2017-03-15 | 2017-06-27 | 中国恩菲工程技术有限公司 | Molten sulphur device |
| CN208436542U (en) * | 2018-06-22 | 2019-01-29 | 贵州微化科技有限公司 | Sublimed sulfur dust-filtering recyclable device |
| CN109437117A (en) * | 2018-11-26 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of process and device of low temperature continuous sulfur melting |
| CN208583320U (en) * | 2018-06-22 | 2019-03-08 | 贵州微化科技有限公司 | A kind of microreactor |
| CN212158256U (en) * | 2020-04-28 | 2020-12-15 | 上海镐渭工业技术有限公司 | Cabin plate type crude oil heater |
-
2021
- 2021-03-04 CN CN202110241566.3A patent/CN113003541A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1115497A (en) * | 1979-06-26 | 1982-01-05 | Pekka T. Setala | Apparatus for the vaporization of elemental sulfur by means of carrier gas |
| US4497635A (en) * | 1982-12-01 | 1985-02-05 | Rodger Blackwood | Sulfur remelting |
| CA2821527A1 (en) * | 2012-08-13 | 2014-02-13 | Cti Consulting, Llc | Sulfur melting system and method |
| CN203373150U (en) * | 2013-06-07 | 2014-01-01 | 鞍钢股份有限公司 | Slag discharging device of sulfur melter |
| CN106890600A (en) * | 2017-03-15 | 2017-06-27 | 中国恩菲工程技术有限公司 | Molten sulphur device |
| CN208436542U (en) * | 2018-06-22 | 2019-01-29 | 贵州微化科技有限公司 | Sublimed sulfur dust-filtering recyclable device |
| CN208583320U (en) * | 2018-06-22 | 2019-03-08 | 贵州微化科技有限公司 | A kind of microreactor |
| CN109437117A (en) * | 2018-11-26 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of process and device of low temperature continuous sulfur melting |
| CN212158256U (en) * | 2020-04-28 | 2020-12-15 | 上海镐渭工业技术有限公司 | Cabin plate type crude oil heater |
Non-Patent Citations (1)
| Title |
|---|
| 张迪等: "硫磺制酸装置熔硫***的生产与技术改造", 《广州化工》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100563782C (en) | The dust collection method of burnt lime digester and device | |
| CN112044222A (en) | System and method for removing colored smoke plume of high-temperature water-washed slag steam | |
| CN209752602U (en) | Smoke dust adsorption equipment for steelmaking | |
| CN212548994U (en) | Tail gas treatment system of rotary kiln | |
| CN113003541A (en) | Novel quick sulfur melting tank system | |
| CN106397104A (en) | Carbon tetrafluoride purification system with nitrogen recycling function | |
| CN217661603U (en) | Environment-friendly equipment for removing sulfide and particulate matters in water-washed slag steam | |
| CN103528388B (en) | Closed ferroalloy furnace coal gas dry method purification and recovery system | |
| CN213113232U (en) | Coal gas cleaning device and coal gas system | |
| CN2846424Y (en) | Environment protection type slag treating device by wheel method | |
| CN206843096U (en) | One kind recovery special distiller of titanium tetrachloride | |
| CN113637813A (en) | Blast furnace slag flushing water vapor waste heat utilization white-removing system | |
| CN212955028U (en) | Gas deacidification heat sink | |
| CN212818972U (en) | Colored smoke plume desorption system of high temperature water flushing sediment steam | |
| CN212610083U (en) | Desulfurization wastewater zero discharge system for power plant | |
| CN114807464A (en) | Flash evaporation cooling heat recovery system for slag flushing water | |
| CN211133498U (en) | Equipment for treating waste gas generated by carbonizing blast furnace gas ash and electric furnace ash | |
| CN204582940U (en) | A kind of chromium mist gas wash tower | |
| CN211611974U (en) | Filtering device for scrap steel smelting | |
| CN113082884A (en) | Flue gas dust removal desulfurization tower and desulfurization method | |
| CN208406113U (en) | A kind of calcination rotary kiln tail gas pre-concentration spent acid device | |
| CN218989297U (en) | Reducing flue for blast furnace slag flushing water flue gas air cooling white tower | |
| CN215654404U (en) | Water mist treatment device of slag flushing tank | |
| CN218106835U (en) | Yellow phosphorus production sewage treatment ware | |
| CN217854708U (en) | Device for treating suspended substances in coking wet desulphurization solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210622 |
|
| RJ01 | Rejection of invention patent application after publication |