CN210251672U - Melting furnace slag flushing water exhaust steam recovery system - Google Patents
Melting furnace slag flushing water exhaust steam recovery system Download PDFInfo
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- CN210251672U CN210251672U CN201920860982.XU CN201920860982U CN210251672U CN 210251672 U CN210251672 U CN 210251672U CN 201920860982 U CN201920860982 U CN 201920860982U CN 210251672 U CN210251672 U CN 210251672U
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Abstract
The utility model discloses a belonging to the technical field of slag washing water exhaust steam recovery, in particular to a melting furnace slag washing water exhaust steam recovery system, which comprises a first mounting frame, a spray water pump is arranged at the top of the inner side wall of the first mounting frame, the side wall of the inner cavity of the first mounting frame is provided with a cooling mechanism, the bottom of the inner side wall of the second mounting frame is provided with a tail gas reheater, a second filter is connected with the inner side wall of the second mounting frame, spray water is provided by the spray water pump, a spray pipe is matched with a spray head to realize spray cleaning, partial exhaust steam is cooled and condensed by cooling of a cooling water circulator, partial low-temperature exhaust steam is reheated by the tail gas reheater, so that saturated steam in the exhaust steam becomes an unsaturated steam state, and the saturated steam is filtered again by the second filter to filter out acid gases such as hydrogen sulfide, sulfur dioxide, the pollution rate of the dead steam finally discharged to the atmosphere is greatly reduced.
Description
Technical Field
The utility model relates to an exhaust steam recovery technical field specifically is a melting furnace slag washing water exhaust steam recovery system.
Background
The domestic blast furnace slag flushing of iron and steel enterprises mainly comprises an advection method, a bottom filtration method, a Tura method, an Indian bus (INBA) method and the like, the domestic large blast furnace slag flushing is mainly based on the INBA method, in the INBA treatment method, slag flushing water can generate a large amount of high-temperature exhaust steam when flushing slag, most of heat in the slag is taken away (the heat exists in the form of latent heat of vaporization and accounts for about 80 percent of the total heat), and a large amount of white smoke or white steam is formed when the part of exhaust steam is emptied; different from the 'white smoke' with relatively simple components in thermal power generation or other chimneys, the slag flushing exhaust steam (white smoke) not only carries a large amount of heat energy, but also is mixed with acid gases such as hydrogen sulfide, sulfur dioxide, disulfide trioxide and the like generated in slag flushing and dust such as mineral wool and the like, the gases, impurities and water vapor in the exhaust steam are mixed to form acid aerosol, the acid aerosol is discharged into the air to cause serious environmental pollution to the environment, and the acid aerosol needs to be removed while the 'white smoke' is eliminated, so that the slag flushing water exhaust steam recovery system of the melting furnace is provided.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional recovery of slag washing water of a melting furnace.
Therefore, the utility model aims at providing a melting furnace towards slag water exhaust steam recovery system can circulate the purification to towards slag water exhaust steam, reduces towards slag water exhaust steam pollution rate.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a melting furnace slag washing water exhaust steam recovery system comprises: mounting bracket one, spray water pump, cooling body, mounting bracket two, tail gas reheater, filter two and draught fan, spray water pump locates a mounting bracket inside wall top, a mounting bracket inner chamber lateral wall sets up cooling body, cooling body includes link, cooling tube, cooling water circulator and water tank, the link is located a mounting bracket inner chamber lateral wall, the cooling tube is located the link lateral wall, the link inside wall sets up the cooling water circulator, the water tank set up in a mounting bracket lateral wall bottom, two rigid couplings of mounting bracket in a mounting bracket top, two inside wall bottoms of mounting bracket set up the tail gas reheater, filter two connect in two inside walls of mounting bracket, the draught fan install in two tops of mounting bracket.
As the utility model discloses a preferred scheme of melting furnace towards slag water exhaust steam recovery system, wherein: the water tank water replenishing connector and the water tank water outlet connector are arranged at the top and the bottom of the outer side wall of the water tank respectively, the water tank water outlet connector is communicated with the spray water pump and the cooling water circulator respectively, the other port of the cooling water circulator is connected with the cooling pipe, the other port of the spray water pump is connected with the spray pipe, and the bottom of the outer side wall of the spray pipe is provided with a plurality of spray heads in a linear equidistant mode from left to right.
As the utility model discloses a preferred scheme of melting furnace towards slag water exhaust steam recovery system, wherein: the base is fixed to the bottom of the outer side wall of the mounting frame, the first mounting frame corresponds to an air inlet cover is arranged on the position above the base, the first mounting frame is communicated with the second mounting frame to form an airtight cavity, a diversion trench is formed in the bottom of the inner side wall of the mounting frame, the diversion trench is communicated with the water tank, and a first filter is installed at the joint of the water tank and the diversion trench.
As the utility model discloses a preferred scheme of melting furnace towards slag water exhaust steam recovery system, wherein: and an air port is formed in the top of the outer side wall of the mounting frame, and the port of the induced draft fan is communicated with the second mounting frame through the air port.
Compared with the prior art: spray water is provided through a spray water pump, the spray pipe is matched with a spray head, spray cleaning is realized, partial exhaust steam is cooled and condensed through cooling of a cooling water circulator, partial low-temperature exhaust steam is heated again through a tail gas reheater, saturated water steam in the exhaust steam becomes an unsaturated water steam state, secondary filtering is performed through a filter II, hydrogen sulfide is filtered out, sulfur dioxide, acid gas such as disulfide trioxide and dust such as slag wool are filtered out, the pollution rate of the exhaust steam finally discharged to the atmosphere is greatly reduced, meanwhile, mixed water formed by the spray water and the condensed water generated by a spray air pump is treated through a diversion trench and a filter I, the filter I can remove impurities such as the slag wool, iron and suspended matters in the mixed water, the diversion trench conducts the mixed water back to a water tank again, circulation treatment is performed, and the purification rate of equipment to the exhaust steam is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the structure of part a of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a melting furnace slag flushing water exhaust steam recovery system, provide the shower water through spray pump, shower and shower head cooperation, realize the spraying and wash, cooling through the cooling of cooling water circulator again condenses partial exhaust steam, then heat partial microthermal exhaust steam once more through the tail gas reheater, make saturated steam become unsaturated vapor state in the exhaust steam, filter once more through filter two, filter out sulfureted hydrogen, sulfur dioxide, dust such as acid gas and slag wool such as disulfide three, the exhaust steam that finally discharges atmosphere will not appear "white cigarette" phenomenon, please refer to fig. 1, include, mounting bracket one 100, spray pump 200, cooling body 300, mounting bracket two 400, tail gas reheater 500, filter two 600 and draught fan 700.
Referring to fig. 1, the first mounting frame 100 has a base 110, an intake hood 120 and a diversion trench 130, specifically, the first mounting frame 100 is a connection cavity made of a metal alloy material, the first mounting frame 100 is used for connecting the spray water pump 200, the cooling mechanism 300 and the second mounting frame 400, the bottom of the outer side wall of the first mounting frame 100 is in threaded connection with the base 110 through a fastening screw, the base 110 is used for supporting the whole equipment, the intake hood 120 is arranged on the right side wall of the first mounting frame 100, the intake hood 120 serves as a conveying port for flushing waste steam of slag water, the diversion trench 130 is arranged at the bottom of the inner side wall of the first mounting frame 100 and is communicated with the water tank 340, and the diversion trench 130 is used for guiding mixed water formed by spray water and condensed water condensed by the cooling mechanism 300;
referring to fig. 1, the spray water pump 200 has a spray pipe 210 and spray heads 211, the spray water pump 200 is disposed on the sidewall of the inner cavity of the first mounting bracket 100, specifically, the mounting plate of the spray water pump 200 is uniformly provided with four first threaded grooves (not shown), the bottom of the inner sidewall of the first mounting bracket 100 is provided with four second threaded grooves (not shown) having the same inner diameter as the first threaded grooves corresponding to the four first threaded grooves, the spray water pump 200 is screwed to the bottom of the inner sidewall of the first mounting bracket 100 by the four first threaded grooves, the four second threaded grooves and the fastening bolts, the spray water pump 200 is used for providing spray water, the water inlet of the spray water pump 200 is communicated with the water outlet port 342 of the tank, the water outlet of the spray water pump 200 is communicated with the spray pipe 210 by a connecting pipe, the spray pipe 210 serves as a conveying pipeline for the spray water, the bottom of the outer sidewall of the spray pipe 210 is provided, the spray header 211 is used for spraying and cleaning the waste steam of the slag flushing water;
referring to fig. 1 and 2, the cooling mechanism 300 includes a connecting frame 310, a cooling pipe 320, a cooling water circulator 330, a water tank 340, a water tank water charging interface 341, a water tank water outlet interface 342, and a filter 350, the cooling mechanism 300 is disposed on a sidewall of an inner cavity of the first mounting frame 100, specifically, the connecting frame 310 is screwed to a left side of an inner sidewall of the first mounting frame by a fastening screw, the connecting frame 310 is used for connecting the cooling pipe 320 and the cooling water circulator 330, the cooling pipe 320 is clamped to the sidewall of the inner cavity of the connecting frame 310, the cooling pipe 320 is used for cooperating with the cooling water circulator 330 to cool the slag flushing water exhaust steam, four third thread grooves (not shown in the figure) are uniformly formed on a mounting plate of the cooling water circulator 330, four fourth thread grooves (not shown in the figure) having an inner diameter same as that of the third thread grooves are formed at bottom portions of the inner sidewall of the connecting frame 310 corresponding to the four third, The four fourth screw grooves and the fastening bolts connect the cooling water circulator 330 to the bottom of the inner side wall of the connecting frame 310 by screw threads, the cooling water circulator 330 is an AC600A azotometer cooling water circulator, the cooling water circulator 330 performs refrigeration through a compressor and then performs heat exchange with water to reduce the temperature of the water, the water is delivered out through a cooling pipe 320 by a circulating pump, the bottom of the outer side wall of the first mounting frame 100 is connected with a water tank 340 through a fastening screw thread, the water tank 340 is used as a mixed water containing tank, the top and the bottom of the outer side wall of the water tank 340 are respectively provided with a water tank water replenishing interface 341 and a water tank water outlet interface 342, the water tank water outlet interface 341 is respectively communicated with the spray water pump 200 and the cooling water circulator 342, the water tank water replenishing interface 341 is used for being connected with an external water supply machine through a thread to replenish water required for cooling, the joint of the water tank 340 and the diversion trench 130 is connected with a first filter 350 through a fastening screw thread, and the first filter 350 is;
referring to fig. 1 again, the second mounting bracket 400 has an air opening 410, the second mounting bracket 400 is disposed at the top of the first mounting bracket 100, specifically, the second mounting bracket 400 is welded to the top of the outer sidewall of the first mounting bracket 100, the second mounting bracket 400 is communicated with the first mounting bracket 100, the second mounting bracket 400 is used for connecting the tail gas reheater 500, the second filter 600 and the induced draft fan 700, four first mounting holes (not shown) are uniformly formed in the mounting plate of the tail gas reheater 500, four second mounting holes (not shown) having the same inner diameter as the first mounting holes are formed in the positions of the second mounting bracket 400 corresponding to the four first mounting holes, the tail gas reheater 500 is fixed to the left side of the inner sidewall of the second mounting bracket 400 through the four first mounting holes, the tail gas reheater 500 is used for reheating low-temperature exhaust steam, so that saturated steam in the exhaust steam becomes an unsaturated steam state, the waste steam finally discharged to the atmosphere is filtered again through the second filter 600, the phenomenon of 'white smoke' cannot occur, four third mounting holes (not marked in the figure) are uniformly formed in the mounting plate of the second filter 600, four fourth mounting holes (not marked in the figure) with the same inner diameter as the third mounting holes are formed in the position, corresponding to the four third mounting holes, of the inner side wall of the second mounting frame 600, the second filter 600 is fixed in the center of the inner side wall of the second mounting frame 400 through the four third mounting holes, the four fourth mounting holes and fastening bolts, the second filter 600 is a CLM-220FH air filter, and the second filter 600 is used for purifying acidic gases such as hydrogen sulfide, sulfur dioxide and disulfide and dust such as mineral wool contained in the slag flushing water;
please continue to refer to fig. 1, the induced draft fan 700 is disposed on the top of the outer side wall of the second mounting bracket 400, specifically, four first threaded holes (not marked in the figure) are uniformly formed in the mounting plate of the induced draft fan 700, four second threaded holes (not marked in the figure) having the same inner diameter as the first threaded holes are formed in the top of the outer side wall of the second mounting bracket 100 corresponding to the four first threaded holes, the induced draft fan 700 is fixed on the top of the outer side wall of the second mounting bracket 400 through the four first threaded holes, the four second threaded holes and the fastening bolts, the induced draft fan 700 is used for forming negative pressure in the condenser, and most.
The working principle is as follows: when the utility model is used, operators in the field form negative pressure in the condenser through the draught fan 700, most of the exhaust steam is introduced into the condenser, the spray water pump 200 provides spray water, spray cleaning is realized through the spray pipe 210 and the spray head 211, cooling and condensation are performed through the cooling water circulator 330, then partial low-temperature exhaust steam is reheated through the tail gas reheater 500, saturated steam in the exhaust steam becomes unsaturated steam state, secondary filtration is performed through the filter II 600, acidic gases such as sulfureted hydrogen, sulfur dioxide and disulfide trioxide and dust such as slag wool are filtered, finally, the exhaust steam pollution rate discharged to atmosphere is greatly reduced, meanwhile, mixed water formed by the spray water and the condensed water generated by the spray air pump 200 is processed through the diversion trench 130 and the filter I350, the filter I350 can remove impurities such as slag wool, iron and suspended matters in the mixed water, the diversion trench 130 redirects the mixed water back to the water tank 340 for circulation treatment, thereby increasing the purification rate of the equipment to the exhaust steam.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. The utility model provides a melting furnace slag washing water exhaust steam recovery system which characterized in that includes: the device comprises a first mounting rack (100), a spray water pump (200), a cooling mechanism (300), a second mounting rack (400), a tail gas reheater (500), a second filter (600) and a draught fan (700), wherein the spray water pump (200) is arranged at the top of the inner side wall of the first mounting rack (100), the inner cavity side wall of the first mounting rack (100) is provided with the cooling mechanism (300), the cooling mechanism (300) comprises a connecting frame (310), a cooling pipe (320), a cooling water circulator (330) and a water tank (340), the connecting frame (310) is arranged at the inner cavity side wall of the first mounting rack (100), the cooling pipe (320) is arranged at the outer side wall of the connecting frame (310), the cooling water circulator (330) is arranged at the inner side wall of the connecting frame (310), the water tank (340) is arranged at the bottom of the outer side wall of the first mounting rack (100), the second mounting rack (400, the bottom of the inner side wall of the second mounting frame (400) is provided with the tail gas reheater (500), the second filter (600) is connected with the inner side wall of the second mounting frame (400), and the draught fan (700) is installed at the top of the second mounting frame (400).
2. The melting furnace slag washing water dead steam recovery system as claimed in claim 1, wherein a water tank water replenishing interface (341) and a water tank water outlet interface (342) are respectively formed at the top and the bottom of the outer side wall of the water tank (340), the water tank water outlet interface (342) is respectively communicated with the spray water pump (200) and the cooling water circulator (330), the other port of the cooling water circulator (330) is connected with the cooling pipe (320), the other port of the spray water pump (200) is connected with a spray pipe (210), and a plurality of spray heads (211) are linearly arranged at equal intervals at the bottom of the outer side wall of the spray pipe (210) from left to right.
3. The dead steam recovery system for the cinder flushing water of the melting furnace as claimed in claim 1, wherein a base (110) is fixed at the bottom of the outer side wall of the first mounting frame (100), an air inlet cover (120) is arranged at the position, corresponding to the upper portion of the base (110), of the first mounting frame (100) and the second mounting frame (400) to form a closed cavity, a diversion trench (130) is arranged at the bottom of the inner side wall of the first mounting frame (100), the diversion trench (130) is communicated with the water tank (340), and a first filter (350) is installed at the joint of the water tank (340) and the diversion trench (130).
4. The dead steam recovery system for the slag washing water of the melting furnace as claimed in claim 1, wherein a tuyere (410) is formed in the top of the outer side wall of the second mounting frame (400), and a port of the induced draft fan (700) is communicated with the second mounting frame (400) through the tuyere (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860982.XU CN210251672U (en) | 2019-06-10 | 2019-06-10 | Melting furnace slag flushing water exhaust steam recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860982.XU CN210251672U (en) | 2019-06-10 | 2019-06-10 | Melting furnace slag flushing water exhaust steam recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN210251672U true CN210251672U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920860982.XU Active CN210251672U (en) | 2019-06-10 | 2019-06-10 | Melting furnace slag flushing water exhaust steam recovery system |
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| CN (1) | CN210251672U (en) |
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- 2019-06-10 CN CN201920860982.XU patent/CN210251672U/en active Active
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Denomination of utility model: A waste steam recovery system for slag washing water of melting furnace Effective date of registration: 20230208 Granted publication date: 20200407 Pledgee: Chinese for key construction fund Ltd. Pledgor: Wang Junying|TANGSHAN HEXING WASTE MATERIAL INTEGRATED UTILIZATION TECHNOLOGY Co.,Ltd. Registration number: Y2023990000104 |