Mist suppression system for slag room
By opening vents and installing exhaust devices on the boiler room walls, hot air in the boiler room is drawn into the slag room. Combined with the control unit and partition design, the problem of water mist accumulation in the slag room is solved, improving operational efficiency and safety.
Patent Information
- Application Number
- CN202520199619.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-08
AI Technical Summary
During the transfer of slag in municipal solid waste incineration power plants, water mist accumulation in the slag room obstructs the operator's vision, affecting work efficiency and safety. Existing technologies are complex and difficult to effectively suppress water mist generation.
Multiple vents are opened on the walls of the boiler room, and an exhaust device is installed to draw hot air from the boiler room into the slag room. Combined with the control unit and partition design, the flow of hot air and the opening and closing of the door are controlled by temperature sensors and photoelectric switches to increase the temperature of the slag room and suppress water mist generation.
The simplified structure effectively suppresses water mist generation, improves operator efficiency and safety, and prevents hot air loss.
Smart Images

Figure CN223795420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of slag mist suppression, and particularly relates to a slag house mist suppression system. BACKGROUND
[0002] The living garbage incineration power plant generally relies on the electric bridge type grab crane to operate in the slag transfer link, and the operating room is usually arranged on the side of the slag pool. Figure 1 The slag house 20 has a large space, and when the temperature drops in winter, the temperature in the slag house 20 also decreases. The slag in the slag pool 22 that has just been treated by water cooling still retains a certain residual temperature. This temperature difference leads to a large amount of water mist in the slag house 20. Although a wet dust collector is arranged in the slag house 20 to remove mist, the air suction capacity is relatively limited, and it is difficult to quickly and effectively absorb and remove the water mist in the slag house 20, thereby causing the problem of water mist accumulation in the slag house 20. This problem hinders the view of the grab crane operator, making it difficult for them to smoothly control the grab crane to perform slag grabbing operations, thereby affecting work efficiency and safety.
[0003] The indoor air temperature in the boiler house 10 separated by a wall is above 30℃ due to the heat radiation effect of the garbage incineration boiler. In combination with the field characteristics, the slag house mist suppression system of the application is proposed.
[0004] After retrieval, the Chinese patent document CN217829444U, published (announced) on November 18, 2022, discloses a garbage incineration power plant slag pit demisting system, which includes a transition unit, a heating unit, and a blowing unit. The transition unit is located at the entrance of the slag pit door and is used to isolate the air inside and outside the slag pit. The heating unit includes a heating pipeline and a heater. The inlet of the heating pipeline is connected to the outlet end of the fixed discharge well lifting pump, and the outlet of the heating pipeline is connected to the cooling tower of the power plant. The heater is located on the heating pipeline. The blowing unit is located at the heater and is used to blow the heat generated by the heater into the slag pit. Its advantages are that it can solve the problem of slag pit misting, reduce the safety production risk of the slag pit, and improve the work efficiency of the slag crane operator. Its disadvantages are that a relatively long heating pipeline needs to be laid and a heater needs to be installed on the heating pipeline, and the structure is relatively complex. UTILITY MODEL CONTENTS
[0005] The utility model discloses a purpose lies in providing a kind of furnace slag room mist suppression system, by being equipped with multiple exhaust holes on the wall of boiler room, exhaust device is installed on the side of exhaust hole, hot air in boiler room is extracted to furnace slag room by exhaust device, to promote the temperature in furnace slag room, inhibit the generation of water mist, structure is simpler, practical.
[0006] To achieve the above object, the utility model provides a kind of furnace slag room mist suppression system, including boiler room and the furnace slag room located the side of boiler room, multiple exhaust holes are opened on the wall of boiler room, and exhaust hole is communicated to furnace slag room, exhaust device is installed on the side of exhaust hole in boiler room or in furnace slag room, and exhaust device is used to extract hot air in boiler room to furnace slag room.
[0007] The exhaust device is an axial flow fan.
[0008] Further including control unit, the control unit includes controller and temperature sensor, temperature sensor is installed in furnace slag room, temperature sensor is electrically connected with controller, and controller is electrically connected with exhaust device.
[0009] In furnace slag room, partition room is installed on the side close to access passage, and corresponding passage is provided on the side of partition room opposite access passage, and access passage and corresponding passage are respectively provided with open-close door.
[0010] The open-close door installed on access passage is the first quick roller shutter door, and the open-close door installed on corresponding passage is the second quick roller shutter door.
[0011] Further including control unit, the control unit includes controller, temperature sensor, first group of opposite light electric switch and second group of opposite light electric switch, temperature sensor is installed in furnace slag room, temperature sensor is electrically connected with controller, and controller is electrically connected with exhaust device;The first group of opposite light electric switch is installed in partition room, and the first group of opposite light electric switch is close to access passage, and the second group of opposite light electric switch is installed in furnace slag room, and the second group of opposite light electric switch is close to corresponding passage;The first group of opposite light electric switch and the second group of opposite light electric switch are electrically connected with controller respectively, and the first quick roller shutter door and the second quick roller shutter door are electrically connected with controller respectively.
[0012] The first group of opposite light electric switch and the second group of opposite light electric switch are respectively installed on bracket, and bracket is located on the two sides of access passage and corresponding passage respectively.
[0013] The utility model discloses relative to prior art, with following technical effect:
[0014] 1. The utility model discloses a plurality of exhaust holes are set up on the wall of boiler room, and install exhaust device on one side of exhaust hole, and the hot air in the boiler room is exhausted to the cinder house through the exhaust device, so that the temperature in the cinder house is improved, and the generation of water mist is inhibited, and the utility model discloses utilize the hot air in the boiler room, and the structure is more simple and practical.
[0015] 2. The utility model discloses a partition room is installed on the side close to the access channel in the cinder house, and the corresponding channel is set up on the side opposite to the access channel of the partition room, and the access channel and the corresponding channel are respectively installed with the open and close door. When the vehicle needs to enter the cinder house, first, open the open and close door of the access channel, when the vehicle enters the partition room, close the open and close door of the access channel, then open the open and close door of the corresponding channel, to prevent the rapid loss of hot air in the cinder house. ACCURACY OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiment of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below.
[0017] Figure 1 It is the structural diagram of the utility model boiler room and cinder house.
[0018] Figure 2 It is Figure 1 The A-A sectional view structural diagram.
[0019] Figure 3 It is Figure 2 The B-B sectional view structural diagram.
[0020] Figure 4 It is the control unit schematic diagram of the utility model.
[0021] Reference signs:
[0022] Boiler room 10, slag discharge port 11, exhaust hole 12;
[0023] Cinder house 20, access channel 21, slag pool 22, partition room 23, corresponding channel 231, first quick roller shutter door 24, second quick roller shutter door 25;
[0024] Exhaust device 30;
[0025] Control unit 40, controller 41, temperature sensor 42, first group of opposite photoelectric switch 43, second group of opposite photoelectric switch 44, support 45. DETAILED DESCRIPTION
[0026] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0027] Example 1:
[0028] See Figures 1-4 A slag room mist suppression system includes a boiler room 10 and a slag room 20 located on one side of the boiler room 10. Multiple exhaust holes 12 are provided on the wall of the boiler room 10 and the exhaust holes 12 are connected to the slag room 20. An exhaust device 30 is installed on the side of the exhaust holes 12 located on the boiler room 10 or on the side of the slag room 20. The exhaust device 30 is used to exhaust hot air in the boiler room 10 into the slag room 20.
[0029] By providing multiple exhaust holes 12 on the walls of the boiler room 10 and installing an exhaust device 30 on one side of the exhaust holes 12, the hot air in the boiler room 10 is drawn into the slag room 20 through the exhaust device 30 to increase the temperature in the slag room 20, thereby suppressing the generation of water mist. This application utilizes the hot air in the boiler room 10, and the structure is simpler and more practical.
[0030] In this embodiment, the exhaust device 30 is an axial flow fan.
[0031] For details, see Figure 1 The axial flow fan is directly installed on the wall of boiler room 10 via bolts through its own end face flange.
[0032] It should be noted that when the exhaust device 30 draws hot air from the boiler room 10 into the slag room 20, the air pressure inside the slag room 20 will increase. Since the slag room 20 is relatively large and has relatively poor airtightness (for example, there are many gaps between the roof and the walls), air inside the slag room 20 can escape through these gaps. Alternatively, through-air return air vents can be opened on the walls adjacent to the boiler room 10 and the slag room 20.
[0033] Example 2:
[0034] Based on Embodiment 1, a control unit 40 is also included. The control unit 40 includes a controller 41 and a temperature sensor 42. The temperature sensor 42 is installed inside the slag chamber 20 and is electrically connected to the controller 41. The controller 41 is electrically connected to the exhaust device 30. The temperature inside the slag chamber 20 is detected by the temperature sensor 42. When the temperature sensor 42 detects that the temperature inside the slag chamber 20 is lower than a threshold, the controller 41 controls the exhaust device 30 to start.
[0035] In this embodiment, the temperature sensor 42 is a PT100 temperature sensor, and the controller 41 is a PLC.
[0036] Example 3:
[0037] Based on Example 1, see Figure 2 , 3 Inside the slag room 20, a partition room 23 is installed on the side near the access passage 21. A corresponding passage 231 is set on the side of the partition room 23 facing the access passage 21. The access passage 21 and the corresponding passage 231 are respectively equipped with opening and closing doors.
[0038] When a vehicle needs to enter the slag room 20, the door of the access passage 21 is opened first. When the vehicle enters the partition room 23, the door of the access passage 21 is closed, and then the door of the corresponding passage 231 is opened. This prevents the rapid loss of hot air inside the slag room 20.
[0039] In this embodiment, the opening and closing door installed in the access passage 21 is a first high-speed roller shutter door 24, and the opening and closing door installed in the corresponding passage 231 is a second high-speed roller shutter door 25.
[0040] High-speed rolling doors are existing technology. For example, the dust removal and wind resistance mechanism of a rigid high-speed rolling door disclosed in CN221144231U is used. The installation of high-speed rolling doors is also a conventional technical method, which will not be described in detail here.
[0041] Example 4:
[0042] Based on Example 3, see Figure 2 , 3 4. It also includes a control unit 40, which includes a controller 41, a temperature sensor 42, a first set of through-beam photoelectric switches 43 and a second set of through-beam photoelectric switches 44. The temperature sensor 42 is installed in the slag room 20 and is electrically connected to the controller 41. The controller 41 is electrically connected to the exhaust device 30. The first set of through-beam photoelectric switches 43 is installed in the partition room 23 and is close to the access passage 21. The second set of through-beam photoelectric switches 44 is installed in the slag room 20 and is close to the corresponding passage 231. The first set of through-beam photoelectric switches 43 and the second set of through-beam photoelectric switches 44 are electrically connected to the controller 41, and the first high-speed rolling door 24 and the second high-speed rolling door 25 are electrically connected to the controller 41.
[0043] Temperature sensor 42 detects the temperature inside slag chamber 20. When temperature sensor 42 detects that the temperature inside slag chamber 20 is lower than the threshold, controller 41 controls exhaust device 30 to start.
[0044] The first set of through-beam photoelectric switches 43 and the second set of through-beam photoelectric switches 44 are used to detect the vehicle's position.
[0045] In this embodiment, the first set of through-beam photoelectric switches 43 and the second set of through-beam photoelectric switches 44 are Dashen DS-GT through-beam photoelectric switches.
[0046] Furthermore, the first set of through-beam photoelectric switches 43 and the second set of through-beam photoelectric switches 44 are respectively mounted on brackets 45, which are located on both sides of the inlet / outlet channel 21 and the corresponding channel 231. The brackets 45 ensure the installation height of the first set of through-beam photoelectric switches 43 and the second set of through-beam photoelectric switches 44, and facilitate the installation of the first set of through-beam photoelectric switches 43 and the second set of through-beam photoelectric switches 44.
[0047] The method of use or principle of this utility model:
[0048] Since the air temperature inside the boiler room 10 is above 30℃, the hot air inside the boiler room 10 is drawn into the slag room 20 through the exhaust device 30 to increase the temperature inside the slag room 20, thereby suppressing the formation of water mist.
[0049] When a vehicle needs to enter the slag chamber 20, the operator first manually opens the first high-speed roller shutter door 24. As the vehicle enters the partition chamber 23, it blocks the beam of light from the first set of photoelectric switches 43. Once the vehicle is fully inside the partition chamber 23, the beam of light from the first set of photoelectric switches 43 is no longer blocked by the vehicle. The controller 41 receives the signal from the first set of photoelectric switches 43 and controls the first high-speed roller shutter door 24 to close. After the first high-speed roller shutter door 24 closes, the controller 41 controls the second high-speed roller shutter door 25 to open. As the vehicle enters the slag chamber 20, it blocks the beam of light from the second set of photoelectric switches 44. Once the vehicle is fully inside the slag chamber 20, the beam of light from the second set of photoelectric switches 44 is no longer blocked by the vehicle. The controller 41 receives the signal from the second set of photoelectric switches 44 and controls the second high-speed roller shutter door 25 to close.
[0050] When the vehicle is loaded and needs to leave the slag room 20, the vehicle will first block the beam of the second set of photoelectric switches 44. At this time, the controller 41 controls the second fast rolling shutter door 25. When the rear of the vehicle no longer blocks the second set of photoelectric switches 44, but the front of the vehicle blocks the beam of the first set of photoelectric switches 43, the second fast rolling shutter door 25 closes. After the second fast rolling shutter door 25 closes, the controller 41 controls the first fast rolling shutter door 24 to open. After a delay when the rear of the vehicle no longer blocks the first set of photoelectric switches 43, the controller 41 controls the first fast rolling shutter door 24 to close.
Claims
1. A slag room mist suppression system, comprising a boiler room (10) and a slag room (20) located on one side of the boiler room (10), characterized in that: Multiple exhaust holes (12) are provided on the wall of the boiler room (10), and the exhaust holes (12) are connected to the slag room (20). An exhaust device (30) is installed on the side of the boiler room (10) or on the side of the slag room (20). The exhaust device (30) is used to exhaust the hot air in the boiler room (10) into the slag room (20).
2. The slag room mist suppression system according to claim 1, characterized in that: The exhaust device (30) is an axial flow fan.
3. A slag room mist suppression system according to claim 1 or 2, characterized in that: It also includes a control unit (40), which includes a controller (41) and a temperature sensor (42). The temperature sensor (42) is installed in the slag chamber (20) and is electrically connected to the controller (41). The controller (41) is electrically connected to the exhaust device (30).
4. The slag room mist suppression system according to claim 1, characterized in that: Inside the slag room (20), a partition room (23) is installed on the side near the entrance and exit passage (21). A corresponding passage (231) is set on the side of the partition room (23) facing the entrance and exit passage (21). The entrance and exit passage (21) and the corresponding passage (231) are respectively equipped with opening and closing doors.
5. The slag room mist suppression system according to claim 4, characterized in that: The opening and closing door installed in the access passage (21) is a first high-speed roller shutter door (24), and the opening and closing door installed in the corresponding passage (231) is a second high-speed roller shutter door (25).
6. The slag room mist suppression system according to claim 5, characterized in that: It also includes a control unit (40), which includes a controller (41), a temperature sensor (42), a first set of through-beam photoelectric switches (43) and a second set of through-beam photoelectric switches (44). The temperature sensor (42) is installed in the slag room (20) and is electrically connected to the controller (41). The controller (41) is electrically connected to the exhaust device (30). The first set of through-beam photoelectric switches (43) is installed in the partition room (23) and is close to the access channel (21). The second set of through-beam photoelectric switches (44) is installed in the slag room (20) and is close to the corresponding channel (231). The first set of through-beam photoelectric switches (43) and the second set of through-beam photoelectric switches (44) are electrically connected to the controller (41) respectively. The first high-speed rolling door (24) and the second high-speed rolling door (25) are electrically connected to the controller (41) respectively.
7. The slag room mist suppression system according to claim 6, characterized in that: The first set of through-beam photoelectric switches (43) and the second set of through-beam photoelectric switches (44) are respectively mounted on the bracket (45), which is located on both sides of the inlet / outlet channel (21) and the corresponding channel (231).
Citation Information
Patent Citations
Demisting system for slag pit of waste incineration power plant
CN217829444U
Dust removal and wind resistance mechanism of hard rapid roller shutter door
CN221144231U