CN114508812A

CN114508812A - Smelting workshop heat extraction purification system

Info

Publication number: CN114508812A
Application number: CN202210194121.9A
Authority: CN
Inventors: 谢国庆; 谢昶崎; 顾劼; 史俊杰; 夏斌; 王忠霞; 吴菊萍
Original assignee: Suhua Construction Group Co ltd
Current assignee: Suhua Construction Group Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-05-17

Abstract

The application relates to the technical field of dust removal, in particular to a smelting workshop heat extraction and purification system which comprises a roof, a plurality of steel trusses arranged below the roof and an exhaust mechanism, wherein the exhaust mechanism comprises a plurality of exhaust fans, a plurality of smoke suction air boxes and a plurality of filters, the exhaust fans and the filters are arranged above the roof, and the smoke suction air boxes are arranged below the roof; one side of the filter is communicated with the exhaust fan, and the other side of the filter is communicated with the smoking air box; the smoking air box is tubular, and a plurality of smoking openings are formed in the smoking air box. This application has the heat dissipation and removes dust, optimizes post personnel's operational environment, improves occupational health level's effect.

Description

Smelting workshop heat extraction purification system

Technical Field

The application relates to the technical field of dust removal, in particular to a heat extraction and purification system for a smelting workshop.

Background

The large smelting or hot processing workshop comprises a roof and a steel truss arranged below the roof, wherein the steel truss is used for supporting the roof, and the steel truss is supported on the ground through an upright post. During production in a large smelting or hot processing workshop, generated smoke dust is mainly collected and treated by secondary and tertiary dust removal systems, but part of smoke gas still escapes, and the smoke dust floating in the air is naturally lifted and gathered in the top area in a room to cause air pollution; in addition, the temperature gradient in the workshop is large, the temperature of the high area of the workshop is high, the heat dissipation of production equipment is poor, the working environment of post personnel is poor, and the occupational health level is reduced.

Disclosure of Invention

In order to optimize the working environment of post personnel and improve the occupational health level, the application provides a smelting workshop heat extraction purification system.

The application provides a smelting workshop heat extraction clean system adopts following technical scheme:

a smelting workshop heat extraction and purification system comprises a roof, a plurality of steel trusses arranged below the roof and an exhaust mechanism, wherein the exhaust mechanism comprises a plurality of exhaust fans, a plurality of smoke suction air boxes and a plurality of filters, the exhaust fans and the filters are arranged above the roof, and the smoke suction air boxes are arranged below the roof;

one side of the filter is communicated with the exhaust fan, and the other side of the filter is communicated with the smoking air box; the smoking air box is tubular, and a plurality of smoking openings are formed in the smoking air box.

By adopting the technical scheme, the number of the exhaust mechanisms can be freely combined according to the actual air volume requirement, and the smoke exhaust device is flexibly suitable for various smoke working conditions. The exhaust fan is started, smoke dust at the top in a room can enter the filter through the smoke suction box through the smoke suction port, the filter is used for filtering and purifying the dust, and then the dust pollution inside a workshop is reduced by discharging the dust to the outdoor atmosphere from one end, far away from the filter, of the exhaust fan. Meanwhile, the indoor top can be cooled, the temperature condition in a workshop can be improved beneficially, the working environment of post personnel is optimized, and the occupational health level is improved.

Optionally, the exhaust mechanism further comprises a connecting pipe, and the adjacent smoking air boxes are communicated with the same filter through the connecting pipe.

Through adopting above-mentioned technical scheme, through the connecting pipe, can make a filter remove dust to the flue gas in two smoking bellows simultaneously, simplify the structure, practice thrift the energy consumption simultaneously.

Optionally, the exhaust mechanism still includes the automatic control subassembly, the automatic control subassembly includes temperature monitor and dust concentration monitor, temperature monitor and dust concentration monitor all are connected with the exhaust fan electricity and are used for controlling the switching of exhaust fan.

Through adopting above-mentioned technical scheme, can set up a setting value for temperature monitor and dust concentration monitor according to actual conditions, when the temperature of roof, dust concentration surpassed the setting value in the room, automatic control exhaust fan opened, carried out the exhaust ventilation, improved indoor workshop environment, realized automaticly, improved convenient type.

Optionally, a dust hood is arranged on the smoking air box, the dust hood is communicated with the smoking opening, and the dust hood is gradually enlarged from the direction close to the smoking opening to the direction far away from the smoking opening.

Through adopting above-mentioned technical scheme, the suction hood can assemble the flue gas at roof in the room, is convenient for exhaust and ventilate.

Optionally, the air supply device further comprises an air supply mechanism, wherein the air supply mechanism comprises an air supply fan, an air handler and an air supply pipeline, the air supply fan and the air handler are located outdoors, one side of the air handler is communicated with the air supply fan, the other end of the air handler is communicated with the air supply pipeline, and one end, far away from the air handler, of the air supply pipeline is located indoors.

Through adopting above-mentioned technical scheme, start the fan of supplying air, outdoor air is by the air supply fan drive, via the air handler, send to in the workshop through supply air duct. Air supply and air exhaust are combined, indoor replacement ventilation is achieved, the working environment of post personnel is further optimized, and the occupational health level is improved.

Optionally, the roof is provided with an installation assembly, the installation assembly comprises a bailey truss and an installation platform, the bailey truss is arranged at the position of the steel truss, the installation platform is arranged on the bailey truss, and the air exhaust mechanism and the air supply mechanism are arranged on the installation platform.

Through adopting above-mentioned technical scheme, exhaust mechanism and air supply mechanism set up on mounting platform, and mounting platform is whole to be supported by the bailey steelframe to on transmitting the stand with the load by the steel truss, in order to improve to existing factory building, probably there is the not enough condition of roofing bearing capacity. In addition, the setting of bailey frame can reduce the too much transformation to roofing structure, is of value to making roofing structure installation simplification.

Optionally, the smoking air box comprises a box body with an opening at the bottom and a plurality of air suction plates arranged at the opening at the bottom of the box body, and the smoking port is formed in the air suction plates; the side wall of the box body is provided with first connecting grooves in a protruding mode towards two sides, the dust collection cover is provided with connecting parts in a protruding mode towards two sides, and the connecting parts are clamped in the first connecting grooves; the connecting portion are formed with the second spread groove, the suction flap is inserted and is located in the second spread groove, the suction hood includes a plurality of unit covers.

Through adopting above-mentioned technical scheme, when installing the dust absorption cover, insert the unit cover from the tip of box in proper order, make connecting portion block in first connecting groove, realize the installation of dust absorption cover. The board that will induced draft later on in proper order inserts the second spread groove from the tip of box, has realized the installation of the board that induced drafts on the one hand, plays the effect of induced drafting, and on the other hand there is the power of butt in the both sides of board that induced drafts to connecting portion to make the suction hood be difficult for falling out from the second spread groove, played the reinforcing effect. The both sides fixedly connected with elastic component of air suction plate, elastic component and the interference fit of the second spread groove inner wall on the suction hood produce the extrusion, further increase the stability of suction hood installation.

Optionally, a reinforcing rod is arranged on the steel truss, and the reinforcing rod penetrates through the roof and is connected with the bailey truss.

Through adopting above-mentioned technical scheme, the anchor strut can be as a whole with bailey frame and steel truss connection, improves the fastness and the stability of bailey frame installation.

Optionally, be provided with the ash discharge subassembly on the roofing, the ash discharge subassembly is including storing up grey storehouse and ash discharge pipe, the lower part of filter is for storing up grey storehouse, the ash storage storehouse is used for collecting the dust after filtering, the one end and the ash storage storehouse intercommunication of ash discharge pipe, the other end intercommunication of ash discharge pipe is on the ash discharge system with the supporting use of ash discharge pipe.

Through adopting above-mentioned technical scheme, the smoke and dust after the filter filters falls into the storage ash storehouse to in getting into the ash discharge system through the ash discharge pipe, the long-term use of the filter of being convenient for to the centralized processing of dust.

Optionally, the height of the end of the ash discharge pipe communicated with the ash storage bin is higher than that of the end communicated with the ash discharge system.

Through adopting above-mentioned technical scheme, be convenient for the dust along arranging the ash pipe from storing up the ash storehouse and falling into row's ash system.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the number of the exhaust mechanisms can be freely combined according to the actual air volume requirement, and the smoke exhaust device is flexibly suitable for various smoke working conditions; the exhaust fan is started, smoke dust at the top in a room can enter the filter through the smoke suction box through the smoke suction port, the filter is used for filtering and purifying the dust, and then the dust pollution inside a workshop is reduced by discharging the dust to the outdoor atmosphere from one end, far away from the filter, of the exhaust fan. Meanwhile, the indoor top can be cooled, so that the improvement of the temperature condition in a workshop is facilitated, the working environment of post personnel is optimized, and the occupational health level is improved;

2. the air supply fan is started through the arrangement of the air supply mechanism, and outdoor air is driven by the air supply fan and is sent into a workshop through an air supply pipeline through the air treatment machine; air supply and air exhaust are combined, indoor replacement ventilation is realized, the working environment of post personnel is further optimized, and the occupational health level is improved;

3. the air exhaust mechanism and the air supply mechanism are arranged on the mounting platform through the arrangement of the mounting assembly, so that the roof structure is simplified, the whole mounting platform is supported by the Bailey steel frame, and the load is transmitted to the upright posts and the main structural beam through the steel truss, so that the situation that the roof bearing capacity is insufficient for the existing factory building is improved; in addition, the setting of bailey frame can reduce the too much transformation to roofing structure, is of value to making roofing structure installation simplification.

Drawings

Fig. 1 is a schematic diagram showing the overall structure of a smelting plant exhaust heat purification system implemented by the present application from the left side.

Fig. 2 is a schematic diagram showing the overall structure of a smelting plant exhaust heat purification system implemented by the present application from the right side.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 1.

Fig. 5 is a bottom view of the roof in an embodiment of the present application.

Fig. 6 is an enlarged view at C in fig. 1.

FIG. 7 is a schematic structural diagram for showing an ash discharge assembly in an embodiment of the present application.

Description of reference numerals: 1. a roof; 2. a steel truss; 21. a column; 22. a reinforcing rod; 3. an air exhaust mechanism; 31. an exhaust fan; 32. a smoking air box; 321. a first case; 322. a second case; 323. a third box body; 324. a fourth box body; 325. a smoking port; 3251. filtering the plate; 326. a dust hood; 3261. a unit cover; 3262. a connecting portion; 3263. a second connecting groove; 327. a box body; 3271. a first connecting groove; 328. a suction plate; 3281. an elastic portion; 33. a filter; 331. a first body; 332. a second body; 333. a third body; 334. a fourth body; 34. a communication pipe; 341. a branch pipe; 342. a manifold; 35. an automatic control assembly; 351. a temperature monitor; 352. a dust concentration monitor; 36. a connecting pipe; 4. an air supply mechanism; 41. an air supply fan; 42. an air handler; 43. an air supply duct; 5. mounting the component; 51. a bailey frame; 52. mounting a platform; 521. a safety barrier; 6. an ash discharge assembly; 61. an ash storage bin; 62. an ash discharge pipe; 621. a communicating pipe; 7. and a main dedusting pipeline for three times.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a smelting workshop heat extraction purification system. Referring to fig. 1 and 2, the heat extraction and purification system for the smelting workshop comprises a roof 1, a steel truss 2, an air exhaust mechanism 3, an air supply mechanism 4 and an installation assembly 5, wherein the steel truss 2 is fixedly installed below the roof 1 and is provided with a plurality of air exhaust mechanisms, the steel trusses 2 are parallel to each other and are arranged side by side, the steel truss 2 is used for supporting the roof 1, and the steel truss 2 is supported on the ground through a stand column 21. The air exhaust mechanism 3 and the air supply mechanism 4 are installed above the roof 1 through an installation component 5. Exhaust mechanism 3 is used for removing dust the cooling to the roof in the room, and air supply mechanism 4 is used for supplying air to the room, and the air supply combines together with airing exhaust, realizes indoor replacement ventilation, is of value to the temperature condition in improving the workshop, optimizes post personnel's operational environment, improves occupational health level. The mounting assembly 5 is used for simplifying the structural installation of the roof 1.

Referring to fig. 2 and 3, the mounting assemblies 5 are arranged in two sets in parallel, one set being used for mounting the air exhaust mechanism 3, and the other set being used for mounting the air supply mechanism 4. Each group of mounting assemblies 5 comprises two bailey frames 51 and a mounting platform 52, the bailey frames 51 are fixedly mounted above the roof 1, each bailey frame 51 is provided with a corresponding steel truss 2, and the bailey frames 51 are positioned right above the corresponding steel trusses 2. The bailey frames 51 are made of 16Mn section steel, and during installation, the bailey frames 51 are assembled one by one and freely assembled according to the actual required length. Two reinforcing rods 22 are fixedly connected to each steel truss 2, and the two reinforcing rods 22 penetrate through the roof 1 and are fixedly connected with two ends of the Bailey truss 51 respectively so as to connect the Bailey truss 51 and the steel trusses 2 into a whole, so that the firmness and stability of installation of the Bailey truss 51 are improved. Both ends of the mounting platform 52 are fixedly mounted on the two bailey frames 51, respectively. The side of the installation platform 52 for installing the exhaust mechanism 3 is fixedly provided with the safety guardrail 521, and when the staff overhaul the exhaust mechanism 3 and the air supply mechanism 4, the safety guardrail 521 can protect the staff, which is beneficial to improving the safety.

Through the setting of bailey truss 51, mounting platform 52 is whole to be supported by the bailey steelframe to on transmitting the stand 21 by steel truss 2, in order to improve to existing factory building, there may be the not enough condition of roofing 1 bearing capacity. In addition, the excessive transformation of the structure of the roof 1 can be reduced, and the structure installation of the roof 1 is simplified.

Referring to fig. 3 and 4, the exhaust mechanism 3 includes a plurality of exhaust fans 31, a plurality of smoking air boxes 32, a plurality of filters 33, a communication pipe 34, and an automatic control unit 35. The exhaust air blower 31 and the filter 33 are located above the roof 1 and are fixedly mounted on the mounting plate, and the smoking air box 32 is located below the roof 1. One side of the filter 33 is communicated with the exhaust fan 31 through a connection pipe 36, and the other side of the filter 33 is communicated with the smoking air box 32 through a communication pipe 34. Two exhaust fans 31 are located on the left side of the filter 33, the other two exhaust fans 31 are located on the right side of the filter 33, and a filter 33 is arranged between the two exhaust fans 31 on the same side, so that enough space is reserved for the installation of the exhaust fans 31. The communication pipe 34 includes branch pipes 341 having a square cross section and a collecting pipe 342 having a circular cross section, each two branch pipes 341 corresponds to one smoking air box 32, and the two branch pipes 341 corresponding to the same smoking air box 32 are respectively located on both sides of the filter 33. One end of the branch pipe 341 is communicated with the corresponding smoking air box 32, and the other end of the branch pipe 341 passes through the roof 1 and is positioned above the roof 1.

Referring to fig. 3 and 4, the adjacent smoking air boxes 32 are communicated with the same filter 33 through the connecting pipe 34, and one filter 33 can remove dust from smoke in the two smoking air boxes 32 at the same time, so that the structure is simplified, and energy consumption is saved. The smoking air box 32 comprises a first box body 321, a second box body 322, a third box body 323 and a fourth box body 324 which are arranged in sequence; the filter 33 includes a first body 331, a second body 332, a third body 333, and a fourth body 334, which are sequentially disposed. Two branch pipes 341, which are positioned on the left side of the filter 33 and communicate with the first and

second cases

321 and 322, are connected to the first body 331 through a collecting pipe 342, and the exhaust fan 31, which communicates with the first body 331, is positioned on the right side of the first body 331. Two branch pipes 341, which are positioned at the left side of the filter 33 and communicate with the third and

fourth cases

323 and 324, are connected to the third body 333 through a collecting pipe 342, and the exhaust fan 31, which communicates with the third body 333, is positioned at the right side of the third body 333. Two branch pipes 341, which are positioned on the right side of the filter 33 and communicate with the first tank 321 and the second tank 322, are connected to the second body 332 through a collecting pipe 342, and the exhaust blower 31, which communicates with the second body 332, is positioned on the left side of the second body 332. Two branch pipes 341, which are located at the right side of the filter 33 and communicate with the third case 323 and the fourth case 324, are connected to the fourth container 334 through a collecting pipe 342, and the exhaust blower 31, which communicates with the fourth container 334, is located at the left side of the fourth container 334. The energy consumption is saved, and meanwhile, the smoke dust in the same smoking air box 32 can be filtered by the two filters 33, so that the purification effect is improved.

Referring to fig. 4 and 5, the smoking air box 32 is tubular, a plurality of smoking ports 325 are formed in the bottom surface of the smoking air box 32 along the length direction of the smoking air box, and filter plates 3251 are fixedly mounted at the smoking ports 325 and used for filtering large impurities and protecting the exhaust fan 31. The length of the smoking air box 32 and the number of the smoking openings 325 can be set according to actual conditions, and the device is flexibly suitable for plants. The exhaust fan 31 is started, smoke dust at the top in a room can enter the filter 33 through the smoke suction box through the smoke suction port 325, the filter 33 filters and purifies the dust, and then the smoke dust is discharged to the outdoor atmosphere from one end, far away from the filter 33, of the exhaust fan 31, so that the dust pollution inside a workshop is reduced. Meanwhile, the indoor top can be cooled, the temperature condition in a workshop can be improved beneficially, and the purposes of optimizing the working environment of post personnel and improving the occupational health level are achieved. The bottom fixed mounting of smoking bellows 32 has suction hood 326, and suction hood 326's length is the same with smoking bellows 32's length and communicates with smoking mouth 325, and suction hood 326 is from last to down, promptly, is the direction of keeping away from smoking mouth 325 from being close to smoking mouth 325 and is the flaring setting to assemble the flue gas at indoor top, be convenient for exhaust ventilation.

Referring to fig. 5 and 6, the smoking air box 32 includes a box 327 having an opening at the bottom and a plurality of suction plates 328 installed at the opening at the bottom of the box 327, and the smoking opening 325 is opened on the suction plates 328. The lateral wall of box 327 has first connecting slot 3271 to the both sides arch, and suction hood 326 includes a plurality of unit covers 3261, all has connecting portion 3262 to the both sides arch on every unit cover 3261, and connecting portion 3262 block is in first connecting slot 3271. The connection portion 3262 is formed with a second connection groove 3263, and both sides of the air suction plate 328 are respectively inserted into the second connection grooves 3263. When the dust cover 326 is attached, the unit cover 3261 is sequentially inserted from the end of the case 327, and the connection portion 3262 is engaged with the first connection groove 3271, thereby attaching the dust cover 326. Subsequently with the board 328 that induced drafts in proper order from the tip of box 327 insert second connecting groove 3263, realized induced drafts the installation of board 328 on the one hand, played the effect of induced drafting, there is the power of butt in the both sides of board 328 to connecting portion 3262 that induced drafts on the other hand to make suction hood 326 be difficult for falling out from second connecting groove 3263, played the reinforcing effect. The both sides fixedly connected with elastic component 3281 of suction flap 328, elastic component 3281 and the interference fit of the second spread groove 3263 inner wall on suction hood 326 produce the extrusion, further increase the stability of suction hood 326 installation. The first connecting groove 3271 and the second connecting groove 3263 may be square or arc, and may have any shape to achieve the above-mentioned functions.

Referring to fig. 3, each exhaust fan 31 has a set of automatic control components 35 corresponding thereto. Automatic control assembly 35 includes temperature monitor 351 and dust concentration monitor 352, and temperature monitor 351 and dust concentration monitor 352 fixed mounting are on mounting platform 52, and all are connected with exhaust fan 31 electricity and are used for controlling exhaust fan 31's switching. A set value can be set for the temperature monitor 351 and the dust concentration monitor 352, when the temperature and the dust concentration of a certain region at the top in a room exceed the set values, the exhaust fan 31 in the region is automatically controlled to be opened for exhaust ventilation, the workshop environment in the room is improved, automation is realized, and convenience is improved.

Referring to fig. 2, 3 and 7, the roof 1 is further provided with an ash discharge assembly 6, the ash discharge assembly 6 comprises an ash storage 61 and an ash discharge pipe 62, the ash storage 61 is arranged below the filter 33, and the ash storage 61 is used for collecting filtered dust. One end of the ash discharge pipe 62 is communicated with the ash storage bin 61 through a communicating pipe 621, and the other end of the ash discharge pipe 62 is communicated with an ash discharge system matched with the ash discharge pipe 62. In this embodiment, the dust discharging system includes the cubic main dust collecting pipe 7 that removes dust through the pumping mode, and cubic main dust collecting pipe 7 fixed mounting is on roofing 1, and the one end that ash storage storehouse 61 was kept away from to ash discharging pipe 62 communicates with cubic main dust collecting pipe 7. The smoke dust filtered by the filter 33 falls into the dust storage bin 61 and enters the dust discharging system through the dust discharging pipe 62, and the dust is intensively treated, so that the long-term use of the filter 33 is facilitated.

Referring to fig. 2 and 5, the air supply mechanism 4 includes four air supply fans 41, four air handlers 42, and four air supply ducts 43, the air supply fans 41 and the air handlers 42 are located outdoors and are fixedly mounted on the top surface of the mounting platform 52, one side of the air handlers 42 is communicated with the air supply fans 41, the other end of the air handlers 42 is communicated with the air supply ducts 43, and one end of the air supply ducts 43, which is far from the air handlers 42, passes through the roof 1 and is located indoors. The air supply fan 41 is started, and the outdoor air is driven by the air supply fan and sent into the workshop through the air supply duct 43 via the air handler 42. Air supply and air exhaust are combined, indoor replacement ventilation is achieved, the working environment of post personnel is further optimized, and the occupational health level is improved.

The implementation principle of the smelting workshop heat extraction and purification system provided by the embodiment of the application is as follows: when the temperature and the dust concentration of a certain area at the top in a room exceed set values, the exhaust fan 31 in the area is automatically controlled to be opened, smoke dust at the top in the room can enter the filter 33 through the smoke suction box through the smoke suction port 325, the filter 33 filters and purifies the dust, and then the smoke dust is discharged to the outdoor atmosphere from one end, far away from the filter 33, of the exhaust fan 31, so that the dust pollution inside a workshop is reduced. Meanwhile, the indoor top can be cooled, the temperature condition in a workshop can be improved beneficially, the working environment of post personnel can be optimized, and the occupational health level can be improved.

The air supply fan 41 is started, and the outdoor air is driven by the air supply fan and sent into the workshop through the air supply duct 43 via the air handler 42. Air supply and air exhaust are combined, indoor replacement ventilation is achieved, the working environment of post personnel is further optimized, and the occupational health level is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a smelting workshop heat extraction clean system, includes roofing (1) and sets up a plurality of steel trusses (2) under roofing (1), its characterized in that: the air exhaust device is characterized by further comprising an air exhaust mechanism (3), wherein the air exhaust mechanism (3) comprises a plurality of exhaust fans (31), a plurality of smoking air boxes (32) and a plurality of filters (33), the exhaust fans (31) and the filters (33) are arranged above the roof (1), and the smoking air boxes (32) are arranged below the roof (1);

one side of the filter (33) is communicated with the exhaust fan (31), and the other side of the filter (33) is communicated with the smoking air box (32); the smoking air box (32) is tubular, and a plurality of smoking openings (325) are formed in the smoking air box (32).

2. The smelting plant heat removal purification system according to claim 1, wherein: the exhaust mechanism (3) further comprises a connecting pipe (34), and the adjacent smoking air boxes (32) are communicated with the same filter (33) through the connecting pipe (34).

3. The smelting plant heat removal purification system according to claim 1, wherein: exhaust mechanism (3) still include automatic control subassembly (35), automatic control subassembly (35) include temperature monitor (351) and dust concentration monitor (352), temperature monitor (351) and dust concentration monitor (352) all are connected with exhaust fan (31) electricity and are used for controlling the switching of exhaust fan (31).

4. The smelting plant heat removal purification system according to claim 1, wherein: the cigarette smoking air box (32) is provided with a dust hood (326), the dust hood (326) is communicated with the cigarette smoking port (325), and the dust hood (326) is gradually enlarged from the direction close to the cigarette smoking port (325) to the direction far away from the cigarette smoking port (325).

5. The smelting plant heat removal purification system according to claim 1, wherein: the outdoor air supply system is characterized by further comprising an air supply mechanism (4), wherein the air supply mechanism (4) comprises an air supply fan (41), an air handler (42) and an air supply pipeline (43), the air supply fan (41) and the air handler (42) are located outdoors, one side of the air handler (42) is communicated with the air supply fan (41), the other end of the air handler (42) is communicated with the air supply pipeline (43), and one end, far away from the air handler (42), of the air supply pipeline (43) is located indoors.

6. The smelting plant heat removal purification system according to claim 1, wherein: the roof is characterized in that the roof (1) is provided with a mounting assembly (5), the mounting assembly (5) comprises a bailey frame (51) and a mounting platform (52), the bailey frame (51) is arranged at the position of the steel truss (2), the mounting platform (52) is arranged on the bailey frame (51), and the air exhaust mechanism (3) and the air supply mechanism (4) are arranged on the mounting platform (52).

7. The smelting plant heat removal purification system according to claim 4, wherein: the smoking air box (32) comprises a box body (327) with an opening at the bottom and a plurality of air suction plates (328) arranged at the opening at the bottom of the box body (327), and the smoking port (325) is arranged on the air suction plates (328); the side wall of the box body (327) protrudes towards two sides to form a first connecting groove (3271), the dust hood (326) protrudes towards two sides to form a connecting part (3262), and the connecting part (3262) is clamped in the first connecting groove (3271); the connecting portion (3262) is provided with a second connecting groove (3263), the air suction plate (328) is inserted into the second connecting groove (3263), and the dust suction cover (326) comprises a plurality of unit covers (3261).

8. The smelting plant heat removal purification system according to claim 6, wherein: the steel truss (2) is provided with reinforcing rods (22), and the reinforcing rods (22) penetrate through the roof (1) and are connected with the bailey frames (51).

9. The smelting plant heat removal purification system according to claim 1, wherein: be provided with row grey subassembly (6) on roofing (1), row grey subassembly (6) are including ash storage storehouse (61) and row ash pipe (62), the lower part of filter (33) is ash storage storehouse (61), ash storage storehouse (61) is used for collecting the dust after filtering, the one end and the ash storage storehouse (61) intercommunication of row ash pipe (62), the other end intercommunication of row ash pipe (62) is on the row ash system with row ash pipe (62) supporting use.

10. The smelting plant heat removal purification system according to claim 9, wherein: the height of one end of the ash discharge pipe (62) communicated with the ash storage bin (61) is higher than that of one end communicated with the ash discharge system.