Dissipated gas collecting device of slag salvaging machine
By designing the slag retrieval gas collection device of the slag retrieval machine, the harmful gases and water vapor are separated and collected, which solves the environmental harsh problems caused by the gas dispersion during the slag discharge and ensures the safety of equipment inspection.
Patent Information
- Application Number
- CN202421050897.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The water vapor and harmful gases generated by the slag discharge machine during the slag discharge process spread throughout the factory, resulting in harsh environment and affecting the safety of equipment inspection.
An escape gas collection device including a first collection pipeline, a second collection pipeline, a third collection pipeline, a gas-liquid separation tank, a conveying fan and a exhaust scrubber are designed to transport harmful gases and water vapor to gas-liquid separation. The tank is separated and the gas is transported to the exhaust gas scrubber for collection and discharge.
Effectively extract the slag discharge period to prevent it from spreading to the factory, improve the on-site environment, and enable operators to inspect the equipment safely.
Smart Images
Figure CN222250619U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of slag scooping machines, and in particular to a device for collecting escaped gas of a slag scooping machine. Background Art
[0002] The water-coal slurry gasifier uses a coal slurry pump to deliver feed, and produces clean coal gas through the combustion of coal slurry and oxygen. After the water-coal slurry is burned in the gasifier, it generates molten coarse slag, which is quickly cooled in the quenching chamber, collected in the lock bucket, and then discharged to the slag remover.
[0003] The slag discharge temperature of the lock bucket is generally 80-120℃. After the slag water enters the slag remover through the slag discharge procedure, the dissolved trace CO, NH3 and other gases are rapidly flashed and overflowed as the pressure decreases, thus filling the entire slag remover plant, resulting in a harsh on-site environment and making it impossible for operators to conduct effective inspections of the equipment. Utility Model Content
[0004] The embodiment of the present application solves the technical problem in the prior art that water vapor and harmful gases generated by the slag scoop permeate the entire slag scoop plant, thereby causing a harsh on-site environment and making it impossible for operators to conduct effective inspections of the equipment, by providing a device for collecting escaped gases of the slag scoop.
[0005] An embodiment of the present application provides a fugitive gas collection device for a slag scraper, comprising a first collecting pipe, a second collecting pipe, a third collecting pipe, a gas-liquid separation tank, a conveying fan and an exhaust gas washing tower; the input end of the first collecting pipe is connected to the clean water bin of the slag scraper, the input end of the second collecting pipe is connected to the gas collecting hood of the slag bin of the slag scraper, the input end of the third collecting pipe is connected to the inclined rising section of the slag scraper and is close to the slag discharge port of the slag scraper, the output ends of the first collecting pipe, the second collecting pipe and the third collecting pipe are all connected to the input end of the gas-liquid separation tank; the gas output end of the gas-liquid separation tank is connected to the input end of the conveying fan, and the liquid output end of the gas-liquid separation tank is connected to the clean water bin of the slag scraper; the output end of the conveying fan is connected to the exhaust gas washing tower; the exhaust gas washing tower is configured to discharge harmless gas to a high safe position and collect harmful gas.
[0006] In a possible implementation, the escaped gas collection device of the slag scoop machine further includes a sealing layer; the sealing layer is arranged on a gas collecting hood of the slag bin of the slag scoop machine.
[0007] In a possible implementation, the conveying fan is an air extraction centrifugal fan.
[0008] In a possible implementation, the suction centrifugal fan is provided with a suction chamber with a conical structure.
[0009] In a possible implementation, the escaped gas collection device of the slag remover also includes a controller; the first collecting pipe is provided with a first electrically controlled valve; the second collecting pipe is provided with a second electrically controlled valve; the third collecting pipe is provided with a third electrically controlled valve; the conveying fan is provided with a fourth electrically controlled valve; the controller is electrically connected to the first electrically controlled valve, the second electrically controlled valve, the third electrically controlled valve and the fourth electrically controlled valve.
[0010] In a possible implementation, the slag remover is disposed on the first floor of a factory building; the gas-liquid separation tank, the conveying fan and the tail gas washing tower are disposed on the second floor of the factory building.
[0011] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects:
[0012] The fugitive gas collection device of the slag picker provided in the embodiment of the present application includes a first collection pipe, a second collection pipe, a third collection pipe, a gas-liquid separation tank, a conveying fan and an exhaust gas washing tower. The first collection pipe, the second collection pipe and the third collection pipe of the embodiment of the present application can convey the harmful gas and water vapor in the slag picker to the gas-liquid separation tank, the gas-liquid separation tank separates the harmful gas and water vapor into gas and liquid, and conveys the gas to the conveying fan through the gas output end of the gas-liquid separation tank, and conveys the liquid to the clean water bin of the slag picker through the liquid output end of the gas-liquid separation tank, the conveying fan conveys the gas to the exhaust gas washing tower, the exhaust gas washing tower collects the harmful gas, and discharges the harmless gas to a high and safe position. Therefore, the fugitive gas collection device of the slag picker in the embodiment of the present application can effectively extract the fugitive gas during the slag discharge to prevent it from spreading throughout the entire slag picker plant, so that the operator can effectively inspect the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0014] Figure 1 A flow chart of a fugitive gas collection device for a slag scoop machine provided in an embodiment of the present application;
[0015] Figure 2 A control schematic diagram of a controller provided in an embodiment of the present application.
[0016] Figure numerals: 1-first collecting pipe; 11-first electrically controlled valve; 2-second collecting pipe; 21-second electrically controlled valve; 3-third collecting pipe; 31-third electrically controlled valve; 4-gas-liquid separation tank; 5-conveying fan; 51-fourth electrically controlled valve; 6-exhaust gas washing tower; 7-sealing layer; 8-slag scavenger; 9-controller; 10-slag transport vehicle. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0018] In the description of the embodiments of the present application, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0019] The present application embodiment provides a device for collecting gas from a slag scoop, such as Figure 1 to Figure 2As shown. The escaped gas collection device of the slag picker includes a first collection pipeline 1, a second collection pipeline 2, a third collection pipeline 3, a gas-liquid separation tank 4, a conveying fan 5 and an exhaust gas washing tower 6. The input end of the first collection pipeline 1 is connected to the clean water bin of the slag picker 8, the input end of the second collection pipeline 2 is connected to the gas collecting hood of the slag bin of the slag picker 8, the input end of the third collection pipeline 3 is connected to the inclined rising section of the slag picker 8, and is close to the slag discharge port of the slag picker 8, and the output ends of the first collection pipeline 1, the second collection pipeline 2 and the third collection pipeline 3 are all connected to the input end of the gas-liquid separation tank 4. The gas output end of the gas-liquid separation tank 4 is connected to the input end of the conveying fan 5, and the liquid output end of the gas-liquid separation tank 4 is connected to the clean water bin of the slag picker 8, so as to save resources. The output end of the conveying fan 5 is connected to the exhaust gas washing tower 6. The tail gas washing tower 6 is configured to discharge harmless gas to a high and safe location and collect harmful gas to avoid polluting the environment. The embodiment of the present application discharges the harmless gas to a high and safe location through a pipeline. The coarse slag of the embodiment of the present application is transported to the slag transport vehicle 10 through the slag discharge port of the slag scooping machine 8.
[0020] In the prior art, part of the factory building is in a closed state, and the slag scoop 8 causes fog in the factory building during slag discharge, with poor visibility, making it impossible for operators to effectively inspect the equipment, and it is easy to cause risks such as falling and being hit by objects during passage, posing a great safety hazard. The escaped gas collection device of the slag scoop of the embodiment of the present application can continuously extract harmful gases and water vapor from the clear water bin, slag bin and inclined section of the slag scoop 8, improve the on-site environment in the factory building, enable operators to effectively inspect the equipment, and effectively protect the safety of operators.
[0021] It should be noted that the first collecting pipe 1, the second collecting pipe 2, and the third collecting pipe 3 of the embodiment of the present application can transport the harmful gas and water vapor in the slag picker 8 to the gas-liquid separation tank 4, and the gas-liquid separation tank 4 separates the harmful gas and water vapor into gas and liquid, and transports the gas to the conveying fan 5 through the gas output end of the gas-liquid separation tank 4, and transports the liquid to the clean water bin of the slag picker 8 through the liquid output end of the gas-liquid separation tank 4, and the conveying fan 5 transports the gas to the tail gas washing tower 6, and the tail gas washing tower 6 collects the harmful gas and discharges the harmless gas to a high and safe position. Therefore, the fugitive gas collection device of the slag picker of the embodiment of the present application can effectively extract the fugitive gas during the slag discharge to prevent it from spreading throughout the slag picker plant, so that the operator can effectively inspect the equipment.
[0022] In the embodiment of the present application, the escaped gas collection device of the slag scoop machine further includes a sealing layer 7. The sealing layer 7 is provided on the gas collecting hood of the slag bin of the slag scoop machine 8. The sealing layer 7 of the embodiment of the present application seals the gas collecting hood of the slag bin of the slag scoop machine 8, thereby further preventing the escaped gas and water vapor from flowing out.
[0023] In the embodiment of the present application, the conveying fan 5 is an exhaust centrifugal fan. The exhaust centrifugal fan in the embodiment of the present application is a ventilation device that uses centrifugal force to transport gas from one place to another. The working principle of the exhaust centrifugal fan is that the impeller is driven by a motor to rotate at high speed, and the gas is thrown to the periphery of the impeller under the action of centrifugal force, and then discharged through the fan outlet.
[0024] In the embodiment of the present application, the exhaust centrifugal fan is provided with an exhaust chamber with a conical structure, which can improve the exhaust capacity of the exhaust centrifugal fan. The narrower the space, the faster the gas flow rate.
[0025] In the embodiment of the present application, the escaped gas collection device of the slag picker also includes a controller 9. The first collecting pipe 1 is provided with a first electrically controlled valve 11. The second collecting pipe 2 is provided with a second electrically controlled valve 21. The third collecting pipe 3 is provided with a third electrically controlled valve 31. The conveying fan 5 is provided with a fourth electrically controlled valve 51. The controller 9 is electrically connected to the first electrically controlled valve 11, the second electrically controlled valve 21, the third electrically controlled valve 31 and the fourth electrically controlled valve 51. The controller 9 of the present application can send instructions to the first electrically controlled valve 11, the second electrically controlled valve 21, the third electrically controlled valve 31 and the fourth electrically controlled valve 51, so as to more conveniently and quickly adjust the flow rates of the first collecting pipe 1, the second collecting pipe 2, the third collecting pipe 3 and the conveying fan 5, saving manpower.
[0026] In the embodiment of the present application, the slag scoop 8 is arranged on the first floor of the plant. The gas-liquid separation tank 4, the conveying fan 5 and the tail gas washing tower 6 are arranged on the second floor of the plant. Of course, the gas-liquid separation tank 4, the conveying fan 5 and the tail gas washing tower 6 of the present application can be arranged on the third or fourth floor of the plant, so as to conveniently collect the escaped gas of the slag scoop 8 located on the first floor.
[0027] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other. Each embodiment focuses on the differences from other embodiments.
[0028] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present application.
Claims
1. A fugitive gas collection device for a slag scoop machine, characterized in that: It comprises a first collecting pipeline (1), a second collecting pipeline (2), a third collecting pipeline (3), a gas-liquid separation tank (4), a conveying fan (5) and a tail gas washing tower (6); The input end of the first collecting pipe (1) is connected to the clear water bin of the slag scoop (8), the input end of the second collecting pipe (2) is connected to the gas collecting hood of the slag bin of the slag scoop (8), the input end of the third collecting pipe (3) is connected to the inclined rising section of the slag scoop (8) and is close to the slag discharge port of the slag scoop (8), and the output ends of the first collecting pipe (1), the second collecting pipe (2) and the third collecting pipe (3) are all connected to the input end of the gas-liquid separation tank (4); The gas output end of the gas-liquid separation tank (4) is connected to the input end of the conveying fan (5), and the liquid output end of the gas-liquid separation tank (4) is connected to the clear water bin of the slag remover (8); The output end of the conveying fan (5) is connected to the tail gas washing tower (6); The tail gas scrubber (6) is configured to discharge harmless gases to a high and safe location and to collect harmful gases.
2. The escaping gas collection device of the slag scoop machine according to claim 1, characterized in that: Also includes a sealing layer (7); The sealing layer (7) is arranged on the air collecting hood of the slag bin of the slag scooping machine (8).
3. The fugitive gas collection device of the slag scoop machine according to claim 1, characterized in that: The conveying fan (5) is an air extraction centrifugal fan.
4. The fugitive gas collection device of the slag scoop machine according to claim 3, characterized in that: The air extraction centrifugal fan is provided with an air extraction chamber with a conical structure.
5. The fugitive gas collection device of the slag scoop machine according to claim 1, characterized in that: Also includes a controller (9); The first collecting pipe (1) is provided with a first electrically controlled valve (11); The second collecting pipe (2) is provided with a second electrically controlled valve (21); The third collecting pipe (3) is provided with a third electrically controlled valve (31); The conveying fan (5) is provided with a fourth electrically controlled valve (51); The controller (9) is electrically connected to the first electrically controlled valve (11), the second electrically controlled valve (21), the third electrically controlled valve (31) and the fourth electrically controlled valve (51).
6. The fugitive gas collection device of the slag scoop machine according to claim 1, characterized in that: The slag scooping machine (8) is arranged on the first floor of the factory building; the gas-liquid separation tank (4), the conveying fan (5) and the tail gas washing tower (6) are arranged on the second floor of the factory building.