Smoke blocking type fireproof door

Abstract

The invention relates to the technical field of fireproof doors, in particular to a smoke blocking type fireproof door which comprises a door frame and a door body, and the door body is rotationally installed on the door frame. The door further comprises a pressure device, a control device, a first ventilation pipe, a second ventilation pipe, a first plug body and a second plug body, the first ventilation pipe communicates with the upper portion of the door body, the second ventilation pipe communicates with the lower portion of the door body, the input end of the second ventilation pipe communicates with the pressure device, and the pressure device is used for blowing air into the second ventilation pipe. The first plug body is slidably installed on the first ventilation pipe, the second plug body is slidably installed on the second ventilation pipe, the control device is arranged on the door body, the control device is used for driving the first plug body and the second plug body to synchronously ascend and descend, and the control device is used for sealing the door body and the door frame; outdoor smoke is effectively prevented from flowing backwards and entering a room, meanwhile, the effect of keeping air in the room smooth is facilitated, and the smoke blocking protection reliability is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of fire doors, and particularly to a smoke-blocking fire door. Background Art

[0002] With the acceleration of the urbanization process and the complexity of building functions, fire has become one of the core risks threatening public safety. Currently, the design of fire doors takes fire resistance integrity as the core index, but its sealing structure has shortcomings. The traditional fireproof expansion strip takes a long time to expand at high temperatures, which does not match the timing of the rapid diffusion of smoke, and cannot cope with the smoke backflow caused by the alternating positive and negative pressures during a fire.

[0003] For example, in the patent with the authorized announcement number CN112431533B in the prior art, the invention discloses a smoke-blocking fire door, including a door panel and a door frame. A recessed part is provided at the edge of the door panel, a blocking block for sealing the gap between the door panel and the door frame is provided at the edge of the door panel, a filter screen for filtering the smoke generated during a fire is provided in the door frame, a low-pressure water tank is further provided inside the door panel, and an airbag is provided on the surface of the blocking block.

[0004] However, it is found in the use of this fire door that the sealing efficiency of the gap between the door panel and the door frame is low, which easily causes more smoke to enter the room, reducing the smoke-blocking effect and reliability. Summary of the Invention

[0005] To solve the above technical problems, the present invention provides a smoke-blocking fire door that can effectively prevent outdoor smoke from flowing back into the room, while facilitating the smooth flow of air inside the room and improving the reliability of smoke-blocking protection.

[0006] A smoke-blocking fire door of the present invention includes a door frame and a door body, and the door body is rotatably installed on the door frame; it further includes a pressure device, a control device, a first ventilation pipe, a second ventilation pipe, a first plug body and a second plug body. The first ventilation pipe is communicatively provided at the upper part of the door body, and the second ventilation pipe is communicatively provided at the lower part of the door body. The input end of the second ventilation pipe is communicatively connected to the pressure device, and the pressure device is used to blow air into the second ventilation pipe. The first plug body is slidably installed on the first ventilation pipe, and the second plug body is slidably installed on the second ventilation pipe. The control device is provided on the door body, and the control device is used to drive the first plug body and the second plug body to move synchronously up and down, and the control device is used to seal between the door body and the door frame; in the initial state, the first plug body is located outside the first ventilation pipe, and the second plug body is located inside the second ventilation pipe to block it, facilitating ventilation between the indoor and the outside through the first ventilation pipe above, and at the same time reducing the entry of dust outside. When a fire occurs outside the door, the control device is activated. The control device moves the first plug body and the second plug body up synchronously. At this time, the first plug body closes the first ventilation pipe and opens the second ventilation pipe, thereby reducing the situation that the upward-diffusing smoke enters the room through the first ventilation pipe. At the same time, the pressure device is activated, and the pressure device seals the gap between the door frame and the door body. At the same time, the pressure device blows air into the second ventilation pipe, making the pressure at the air outlet of the second ventilation pipe higher than the outdoor pressure, thereby effectively preventing the outdoor smoke from flowing back into the room, and at the same time facilitating the smooth flow of air in the room and improving the reliability of smoke-blocking protection.

[0007] Preferably, the control device includes a water supply device, an annular groove body, an airbag, a cylinder body, a first delivery pipe, a piston, a first magnetic block, a connecting rod and a second magnetic block. The annular groove body is provided on the outer side wall of the door body, and the airbag is communicatively provided on the annular groove body. The cylinder body is installed on the inner side wall of the door body. The first delivery pipe is communicatively provided between the cylinder body and the annular groove body. The piston is slidably installed up and down on the cylinder body. The bottom end of the cylinder body is communicatively connected to the water supply device. The water supply device is used to supply water into the cylinder body, and the water supply device is used to cool and lower the temperature of the water. The first magnetic block is magnetically connected to the piston. The connecting rod is installed on the outer side wall of the first magnetic block. The upper and lower ends of the connecting rod are respectively connected to the first plug body and the second plug body. The second magnetic block is installed in the upper part of the cylinder body; when a fire occurs, the water supply device delivers water into the cylinder body, the water pressure pushes the piston to slide upward, and the piston drives the first magnetic block to move upward, so that the connecting rod drives the first plug body and the second plug body to move up synchronously. After the piston moves upward, it is adsorbed and fixed by the second magnetic block. The water in the cylinder body is delivered into the annular groove body through the first delivery pipe, and the annular groove body delivers the water into the airbag, so that the airbag expands to seal the gap between the door frame and the door body. At the same time, the water is cooled and lowered in temperature by the water supply device, so that the water cools and lowers the temperature of the airbag, improving the heat resistance of the airbag and the reliability of use.

[0008] Preferably, the water supply device includes a cooling device, a first box body, a first water pump, a conveying cylinder, a telescopic rod, a cover plate, a spring, a ring body, and a second conveying pipe. The first box body is installed on the inner side wall of the door body. The first water pump is connected and arranged on the first box body. The output end of the first water pump is communicated with the bottom end of the cylinder body. The conveying cylinder is connected and arranged on the first box body. The bottom end of the conveying cylinder is communicated with the annular groove body through the second conveying pipe. The telescopic rod is installed on the inner side wall of the conveying cylinder. The cover plate is installed at the bottom end of the telescopic rod. The spring is installed on the telescopic rod in a matching manner. The ring body is installed on the inner side wall of the conveying cylinder. The cooling device is communicated with the first box body and is used for cooling the water. After the first water pump is started, the water in the first box body is conveyed into the cylinder body, so that the airbag is filled with water and expands. As the first water pump continuously operates, the water in the airbag flows back into the conveying cylinder through the second conveying pipe. The water pressure pushes the cover plate upward, so that the water flows back into the first box body. The spring provides a driving force for the cover plate, which is convenient for keeping the airbag under pressure and expanding it. At the same time, it is convenient to circulate the water in the airbag, improve the convenience of conveying cold water in the airbag, and improve the cooling effect of the airbag.

[0009] Preferably, the pressure device includes a second box body, an activated carbon layer, a third conveying pipe, and a fan. There is isolation water in the second box body. The second box body is installed on the inner side wall of the door body. The activated carbon layer is installed inside the second box body. The third conveying pipe communicates with the room, and the output end of the third conveying pipe extends into the isolation water in the second box body. The fan is connected and arranged at the top end of the second box body, and the output end of the fan is communicated with the second ventilation pipe. After a fire occurs, the fan is turned on to suck air into the second box body, so that the third conveying pipe extracts the air in the room. The extracted air passes through the isolation water and the activated carbon layer and is conveyed into the second ventilation pipe, so that the air in the room is discharged outward, avoiding the situation of outdoor smoke pouring back. At the same time, the reliability of air circulation in the room is improved. When the fan fails and stops operating, due to the action of the activated carbon layer and the isolation water, outdoor smoke is prevented from pouring back, improving the reliability of smoke blocking.

[0010] Preferably, the cooling device includes two groups of circulation boxes, multiple groups of circulation pipes, and a second water pump. The two groups of circulation boxes are connected and arranged on the outer side wall of the first box body. Multiple groups of circulation pipes are connected and arranged between the two groups of circulation boxes. The second water pump is connected and arranged in the first box body, and the output end of the second water pump is communicated with the lower circulation box. The water in the first box body is extracted by the second water pump, and the extracted water is conveyed and circulated back into the first box body through the two groups of circulation boxes and multiple groups of circulation pipes. The water is cooled by heat dissipation through the multiple groups of circulation pipes.

[0011] Preferably, it further includes a wire mesh cover, a fan, and an exhaust port. The wire mesh cover is connected and arranged on the door body. The fan is installed on the inner side wall of the wire mesh cover. The exhaust port is connected and arranged on the door body. By turning on the fan, air is blown towards the multiple groups of circulation pipes, so that the multiple groups of circulation pipes cool the water flowing inside by heat dissipation. The air entering the door body is discharged outward through the exhaust port, improving the ventilation and heat dissipation effect inside the door body.

[0012] Preferably, it further includes a smoke sensor and a controller. The smoke sensor and the controller are both installed on the door body, and the smoke sensor communicates with the outside; the smoke sensor senses the smoke outside, so as to facilitate controlling the action of the fire door through the controller.

[0013] Preferably, it further includes an oxygen cylinder and a connection valve. The oxygen cylinder is installed on the inner side wall of the door body, and the connection valve is connected to the oxygen cylinder in a communicating manner; by providing the oxygen cylinder, it is convenient to supply emergency oxygen to personnel and improve the use safety of the fire door.

[0014] Preferably, it further includes an air detector. The air detector is installed on the outer side wall of the door body; the air detector monitors the air quality in the room, so as to improve the safety of personnel.

[0015] Preferably, it further includes a groove. The groove is provided on the inner side wall of the door frame; after the airbag expands, it is embedded inside the groove, so as to improve the sealing effect between the door frame and the door body.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: it reduces the entry of dust outside the door. When a fire occurs outside the door, through the activation of the control device, the control device moves the first plug body and the second plug body upward synchronously. At this time, the first plug body closes the first ventilation pipe and opens the second ventilation pipe, thereby reducing the situation that the upward-diffusing smoke enters the room through the first ventilation pipe. At the same time, the pressure device is activated, and the pressure device seals the gap between the door frame and the door body. At the same time, the pressure device blows air into the second ventilation pipe, so that the pressure at the air outlet of the second ventilation pipe is higher than the outdoor pressure, thereby effectively preventing the outdoor smoke from flowing back into the room. At the same time, it is convenient to keep the air in the room unobstructed and improve the reliability of the smoke blocking protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an isometric structural schematic diagram of the present invention;

[0018] Figure 2 is an isometric partial structural schematic diagram of the connection between the door body and the first ventilation pipe, etc.;

[0019] Figure 3 is an isometric partial structural schematic diagram of the connection between the first plug body and the connecting rod, etc.;

[0020] Figure 4 is an isometric partial structural schematic diagram of the connection between the conveying cylinder and the second conveying pipe, etc.;

[0021] Figure 5 is an isometric partial structural schematic diagram of the connection between the second box body and the activated carbon layer, etc.;

[0022] Figure 6 is an isometric partial structural schematic diagram of the connection between the circulation box and the circulation pipe, etc.;

[0023] Figure 7 Is an axonometric partial structural schematic diagram of the connection between the door frame and the groove, etc.;

[0024] Figure 8 Is an axonometric structural schematic diagram of the connection between the door body and the smoke sensor, etc.;

[0025] Figure 9 Is an axonometric partial structural schematic diagram of the connection between the mesh cover and the fan, etc.;

[0026] Figure 10 Is an axonometric partial structural schematic diagram of the connection between the door body and the annular groove body, etc.

[0027] Reference numerals in the drawings: 101, door frame; 102, door body; 103, first ventilation pipe; 104, second ventilation pipe; 105, first plug body; 106, second plug body; 201, annular groove body; 202, airbag; 203, cylinder body; 204, first conveying pipe; 205, piston; 206, first magnetic block; 207, connecting rod; 208, second magnetic block; 301, first box body; 302, first water pump; 303, conveying cylinder; 304, telescopic rod; 305, cover plate; 306, spring; 307, ring body; 308, second conveying pipe; 401, second box body; 403, activated carbon layer; 404, third conveying pipe; 405, fan; 501, circulation box; 502, circulation pipe; 503, second water pump; 601, mesh cover; 602, fan; 603, exhaust port; 701, smoke sensor; 702, controller; 801, oxygen cylinder; 802, connection valve; 901, air detector; 1001, groove. Detailed implementation manners

[0028] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention is more thorough and comprehensive.

[0029] Embodiment 1

[0030] A smoke-blocking fire door of the present invention includes a door frame 101 and a door body 102. The door body 102 is rotatably installed on the door frame 101. It also includes a pressure device, a control device, a first ventilation pipe 103, a second ventilation pipe 104, a first plug body 105 and a second plug body 106. The first ventilation pipe 103 is communicatively provided at the upper part of the door body 102. The second ventilation pipe 104 is communicatively provided at the lower part of the door body 102. The input end of the second ventilation pipe 104 is communicated with the pressure device. The pressure device is used to blow air into the second ventilation pipe 104. The first plug body 105 is slidably installed on the first ventilation pipe 103. The second plug body 106 is slidably installed on the second ventilation pipe 104. The control device is provided on the door body 102. The control device is used to drive the first plug body 105 and the second plug body 106 to move synchronously up and down, and the control device is used to seal between the door body 102 and the door frame 101.

[0031] The control device includes a water supply device, an annular groove body 201, an airbag 202, a cylinder body 203, a first delivery pipe 204, a piston 205, a first magnetic block 206, a connecting rod 207 and a second magnetic block 208. The annular groove body 201 is provided on the outer side wall of the door body 102. The airbag 202 is communicatively provided on the annular groove body 201. The cylinder body 203 is installed on the inner side wall of the door body 102. The first delivery pipe 204 is communicatively provided between the cylinder body 203 and the annular groove body 201. The piston 205 is slidably installed up and down in the cylinder body 203. The bottom end of the cylinder body 203 is communicated with the water supply device. The water supply device is used to supply water into the cylinder body 203, and the water supply device is used to cool and lower the temperature of the water. The first magnetic block 206 is magnetically connected to the piston 205. The connecting rod 207 is installed on the outer side wall of the first magnetic block 206. The upper and lower ends of the connecting rod 207 are respectively connected to the first plug body 105 and the second plug body 106. The second magnetic block 208 is installed in the upper part of the cylinder body 203.

[0032] In this embodiment, in the initial state, the first plug body 105 is located outside the first ventilation pipe 103, and the second plug body 106 is located inside the second ventilation pipe 104 to block it, which is convenient for ventilation between the indoor and the outside through the first ventilation pipe 103 above, and at the same time reduces the entry of dust outside. When a fire occurs outside the door, through the activation of the control device, the control device moves the first plug body 105 and the second plug body 106 synchronously upward. At this time, the first plug body 105 closes the first ventilation pipe 103 and opens the second ventilation pipe 104, thereby reducing the situation that the upward diffusing smoke enters the room through the first ventilation pipe 103. At the same time, the pressure device is activated. The pressure device seals the gap between the door frame 101 and the door body 102. At the same time, the pressure device blows air into the second ventilation pipe 104, so that the pressure at the air outlet of the second ventilation pipe 104 is higher than the outdoor pressure, thereby effectively preventing the outdoor smoke from flowing back into the room, and at the same time facilitating the indoor air to remain unobstructed, improving the reliability of the smoke-blocking protection.

[0033] Embodiment 2

[0034] Based on Embodiment 1, a smoke-blocking fire door of the present invention, the water supply device includes a cooling device, a first box body 301, a first water pump 302, a delivery cylinder 303, a telescopic rod 304, a cover plate 305, a spring 306, a ring body 307 and a second delivery pipe 308. The first box body 301 is installed on the inner side wall of the door body 102. The first water pump 302 is communicatively connected to the first box body 301. The output end of the first water pump 302 is communicatively connected to the bottom end of the cylinder body 203. The delivery cylinder 303 is communicatively connected to the first box body 301. The bottom end of the delivery cylinder 303 is communicatively connected to the annular groove body 201 through the second delivery pipe 308. The telescopic rod 304 is installed on the inner side wall of the delivery cylinder 303. The cover plate 305 is installed at the bottom end of the telescopic rod 304. The spring 306 is cooperatively installed on the telescopic rod 304. The ring body 307 is installed on the inner side wall of the delivery cylinder 303. The cooling device is communicatively connected to the first box body 301, and the cooling device is used for cooling the water;

[0035] The pressure device includes a second box body 401, an activated carbon layer 403, a third delivery pipe 404 and a blower 405. There is isolation water in the second box body 401. The second box body 401 is installed on the inner side wall of the door body 102. The activated carbon layer 403 is installed inside the second box body 401. The third delivery pipe 404 communicates with the interior. The output end of the third delivery pipe 404 extends into the isolation water in the second box body 401. The blower 405 is communicatively connected to the top end of the second box body 401. The output end of the blower 405 is communicatively connected to the second ventilation pipe 104;

[0036] The cooling device includes two groups of circulation tanks 501, multiple groups of circulation pipes 502 and a second water pump 503. The two groups of circulation tanks 501 are communicatively connected to the outer side wall of the first box body 301. The multiple groups of circulation pipes 502 are communicatively connected between the two groups of circulation tanks 501. The second water pump 503 is communicatively connected to the first box body 301. The output end of the second water pump 503 is communicatively connected to the lower circulation tank 501;

[0037] It further includes a mesh cover 601, a fan 602 and an exhaust port 603. The mesh cover 601 is communicatively connected to the door body 102. The fan 602 is installed on the inner side wall of the mesh cover 601. The exhaust port 603 is communicatively connected to the door body 102;

[0038] It further includes a smoke sensor 701 and a controller 702. Both the smoke sensor 701 and the controller 702 are installed on the door body 102, and the smoke sensor 701 communicates with the outside;

[0039] It further includes an oxygen cylinder 801 and a connection valve 802. The oxygen cylinder 801 is installed on the inner side wall of the door body 102. The connection valve 802 is communicatively connected to the oxygen cylinder 801;

[0040] It further includes an air detector 901, which is installed on the outer side wall of the door body 102;

[0041] It further includes a groove 1001, which is arranged on the inner side wall of the door frame 101;

[0042] In this embodiment, when a fire occurs, the water supply device transports water into the interior of the cylinder body 203. The water pressure pushes the piston 205 to slide upward. The piston 205 drives the first magnetic block 206 to move upward, so that the connecting rod 207 drives the first plug body 105 and the second plug body 106 to move upward synchronously. After the piston 205 moves upward, it is adsorbed and fixed by the second magnetic block 208. The water in the cylinder body 203 is transported into the annular groove body 201 through the first water delivery pipe 204. The annular groove body 201 transports the water into the airbag 202, so that the airbag 202 expands to seal the gap between the door frame 101 and the door body 102. At the same time, the water is cooled by the water supply device, so that the water cools the airbag 202, improving the heat resistance of the airbag 202 and the reliability of use. After the first water pump 302 is started, the water in the first box body 301 is immediately transported into the cylinder body 203, so that the airbag 202 is filled with water and expands. As the first water pump 302 continuously operates, the water in the airbag 202 flows back into the delivery cylinder 303 through the second water delivery pipe 308. The water pressure pushes the cover plate 305 to move upward, so that the water flows back into the first box body 301. The spring 306 provides a driving force for the cover plate 305, facilitating keeping the airbag 202 under pressure to make it expand, and at the same time facilitating the circulating transportation of the water in the airbag 202, improving the convenience of the cold water transportation in the airbag 202 and the cooling effect of the airbag 202.

[0043] As Figures 1 to 10 shown, for a smoke-blocking fire door of the present invention, when it works, in the initial state, the first plug body 105 is located outside the first ventilation pipe 103, and the second plug body 106 is located inside the second ventilation pipe 104 to block it, facilitating ventilation between the indoor and the outside through the first ventilation pipe 103 above. When a fire occurs outside the door, it is started through the control device. The control device moves the first plug body 105 and the second plug body 106 upward synchronously. At this time, the first plug body 105 closes the first ventilation pipe 103 and opens the second ventilation pipe 104, thus reducing the situation that the upward-diffusing smoke enters the room through the first ventilation pipe 103. At the same time, the pressure device is started. The pressure device seals the gap between the door frame 101 and the door body 102, and at the same time blows air into the second ventilation pipe 104, making the pressure at the air outlet of the second ventilation pipe 104 higher than the outdoor pressure.

[0044] The main functions achieved by the present invention are:

[0045] 1. In the initial state, the first plug body 105 is located outside the first ventilation pipe 103, and the second plug body 106 is located inside the second ventilation pipe 104 to block it, facilitating ventilation between the room and outside the door through the upper first ventilation pipe 103 while reducing the entry of dust from outside the door.

[0046] 2. When a fire breaks out outside the door, the control device is activated. The control device moves the first plug body 105 and the second plug body 106 upward synchronously. At this time, the first plug body 105 closes the first ventilation pipe 103 and opens the second ventilation pipe 104, thereby reducing the situation where upward-diffusing smoke enters the room through the first ventilation pipe 103. At the same time, the pressure device is activated, and the pressure device seals the gap between the door frame 101 and the door body 102, improving the convenience of cold water transportation in the airbag 202 and enhancing the cooling effect of the airbag 202.

[0047] 3. At the same time, the pressure device blows air into the second ventilation pipe 104, making the pressure at the exhaust port of the second ventilation pipe 104 higher than the outdoor pressure, thereby effectively preventing outdoor smoke from flowing back into the room. At the same time, it is convenient to keep the air in the room unobstructed and improve the reliability of smoke blocking protection.

[0048] The first water pump 302, the fan 405, the second water pump 503, the fan 602, the smoke sensor 701, the controller 702, and the air detector 901 of a smoke-blocking fire door of the present invention are purchased on the market. Those skilled in the art only need to install and operate according to the attached user manual without the need for creative labor from those skilled in the art.

[0049] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A smoke-blocking fire door, comprising a door frame (101) and a door body (102), the door body (102) being rotatably installed on the door frame (101); characterized in that, It also includes a pressure device, a control device, a first ventilation pipe (103), a second ventilation pipe (104), a first plug body (105) and a second plug body (106). The first ventilation pipe (103) is communicatively arranged at the upper part of the door body (102), and the second ventilation pipe (104) is communicatively arranged at the lower part of the door body (102). The input end of the second ventilation pipe (104) is communicatively connected to the pressure device, and the pressure device is used to blow air into the second ventilation pipe (104). The first plug body (105) is slidably installed on the first ventilation pipe (103), and the second plug body (106) is slidably installed on the second ventilation pipe (104). The control device is arranged on the door body (102), and the control device is used to drive the first plug body (105) and the second plug body (106) to move up and down synchronously, and the control device is used to seal between the door body (102) and the door frame (101).

2. The smoke-blocking fire door according to claim 1, wherein, The control device includes a water supply device, an annular groove body (201), an airbag (202), a cylinder body (203), a first delivery pipe (204), a piston (205), a first magnetic block (206), a connecting rod (207) and a second magnetic block (208). The annular groove body (201) is arranged on the outer side wall of the door body (102), and the airbag (202) is communicatively arranged on the annular groove body (201). The cylinder body (203) is installed on the inner side wall of the door body (102), and the first delivery pipe (204) is communicatively arranged between the cylinder body (203) and the annular groove body (201). The piston (205) is slidably installed up and down on the cylinder body (203). The bottom end of the cylinder body (203) is communicatively connected to the water supply device, and the water supply device is used to supply water into the cylinder body (203), and the water supply device is used to cool and lower the temperature of the water. The first magnetic block (206) is magnetically connected to the piston (205). The connecting rod (207) is installed on the outer side wall of the first magnetic block (206), and the upper and lower ends of the connecting rod (207) are respectively connected to the first plug body (105) and the second plug body (106). The second magnetic block (208) is installed in the upper part inside the cylinder body (203).

3. The smoke-blocking fire door according to claim 2, characterized in that, The water supply device includes a cooling device, a first box body (301), a first water pump (302), a delivery cylinder (303), a telescopic rod (304), a cover plate (305), a spring (306), a ring body (307) and a second delivery pipe (308). The first box body (301) is installed on the inner side wall of the door body (102), and the first water pump (302) is communicatively arranged on the first box body (301). The output end of the first water pump (302) is communicatively connected to the bottom end of the cylinder body (203). The delivery cylinder (303) is communicatively arranged on the first box body (301). The bottom end of the delivery cylinder (303) is communicatively connected to the annular groove body (201) through the second delivery pipe (308). The telescopic rod (304) is installed on the inner side wall of the delivery cylinder (303). The cover plate (305) is installed at the bottom end of the telescopic rod (304). The spring (306) is cooperatively installed on the telescopic rod (304). The ring body (307) is installed on the inner side wall of the delivery cylinder (303). The cooling device is communicatively connected to the first box body (301), and the cooling device is used to cool and process the water.

4. The smoke-blocking fire door according to claim 1, characterized in that, The pressure device includes a second box body (401), an activated carbon layer (403), a third delivery pipe (404) and a blower (405). An isolating water is arranged in the second box body (401), and the second box body (401) is installed on the inner side wall of the door body (102). The activated carbon layer (403) is installed inside the second box body (401). The third delivery pipe (404) communicates with the interior of the room, and the output end of the third delivery pipe (404) extends into the isolating water inside the second box body (401). The blower (405) is communicatively arranged at the top end of the second box body (401), and the output end of the blower (405) communicates with the second ventilation pipe (104).

5. The smoke-blocking fire door according to claim 3, wherein, The temperature reduction device includes two sets of circulation boxes (501), multiple sets of circulation pipes (502) and a second water pump (503). The two sets of circulation boxes (501) are communicatively arranged on the outer side wall of the first box body (301). The multiple sets of circulation pipes (502) are communicatively arranged between the two sets of circulation boxes (501). The second water pump (503) is communicatively arranged inside the first box body (301), and the output end of the second water pump (503) communicates with the lower circulation box (501).

6. The smoke-blocking fire door according to claim 1, characterized in that, It further includes a net cover (601), a fan (602) and an exhaust port (603). The net cover (601) is communicatively arranged on the door body (102). The fan (602) is installed on the inner side wall of the net cover (601). The exhaust port (603) is communicatively arranged on the door body (102).

7. The smoke-blocking fire door according to claim 1, characterized in that, It further includes a smoke sensor (701) and a controller (702). Both the smoke sensor (701) and the controller (702) are installed on the door body (102), and the smoke sensor (701) communicates with the outside of the room.

8. The smoke-blocking fire door according to claim 1, characterized in that, It further includes an oxygen cylinder (801) and a connection valve (802). The oxygen cylinder (801) is installed on the inner side wall of the door body (102). The connection valve (802) is communicatively arranged on the oxygen cylinder (801).

9. The smoke-blocking fire door according to claim 1, characterized in that, It further includes an air detector (901). The air detector (901) is installed on the outer side wall of the door body (102).

10. A smoke-blocking fire door according to claim 1, characterized in that, It further includes a groove (1001). The groove (1001) is arranged on the inner side wall of the door frame (101).

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