CN217665388U - System for meticulous control purification ash utilization as a resource - Google Patents
System for meticulous control purification ash utilization as a resource Download PDFInfo
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- CN217665388U CN217665388U CN202221349572.7U CN202221349572U CN217665388U CN 217665388 U CN217665388 U CN 217665388U CN 202221349572 U CN202221349572 U CN 202221349572U CN 217665388 U CN217665388 U CN 217665388U
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Abstract
The utility model relates to a solid useless utilization technical field, concretely relates to system for fine control purification ash resource utilization, burn the device including storage device, first conveying system, second conveying system and two, the storage device bottom is equipped with first export and second export, first conveying system's entrance point with first export intercommunication, first conveying system's exit end with burn the device intercommunication, second conveying system's entrance point with second export intercommunication, second conveying system's exit end and another burn the device intercommunication. The utility model discloses a this system can solve safe environmental protection and handle purification ash through meticulous control to resource utilization's problem.
Description
Technical Field
The utility model relates to a solid useless utilization technical field, concretely relates to system for fine control purifies grey resource utilization.
Background
The calcium carbide is mainly used for producing polyvinyl chloride resin. With the development of social economy and urbanization in China, the industry of calcium carbide process polyvinyl chloride is rapidly expanded. Until now, although the productivity of the calcium carbide industry is surplus, part of companies accelerate the process research and development, update production equipment and production processes, and eliminate part of the laggard calcium carbide industry, the process defects of large energy consumption, serious pollution and low automation level in the calcium carbide generation process are not fundamentally overcome. With increasing attention to the environment and the increasing perfection and strictness of environmental protection policies, a large amount of tail gas and solid waste inevitably generated in the calcium carbide process become difficult problems which disturb the development of enterprises.
At present, the production process of calcium carbide is a process for producing the calcium carbide by utilizing the solid-phase melting reaction of lime and semi-coke under the high-temperature condition, a large amount of calcium carbide furnace gas is generated, and the main components of the calcium carbide furnace gas are CO and dust. In the general process, calcium carbide furnace gas can be used as fuel for lime production after being cooled and dedusted. And the collected dust is disposed of, which is called as purification dust. The purification ash contains a large amount of carbon powder and calcium oxide powder, and also contains a small amount of calcium carbide powder, sulfur, phosphorus and CO, so that when the purification ash is in a static state, the temperature can be gradually increased, and after the purification ash is contacted with air, spontaneous combustion is easy to occur.
The purified ash has huge yield in the calcium carbide industry, and because the purified ash has fine granularity and contains combustible substances, the purified ash is not economical and pollutes the environment when being directly discarded.
Disclosure of Invention
In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a system of meticulous control purification ash utilization adopts this system to be able to solve safe environmental protection and handle purification ash through meticulous control to utilization's problem.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a system for meticulous control purification ash resource utilization, includes that storage device, first conveying system, second conveying system and two burn the device, the storage device bottom is equipped with first export and second export, first conveying system's entrance point with first export intercommunication, first conveying system's exit end with burn the device intercommunication, second conveying system's entrance point with second export intercommunication, second conveying system's exit end with another burn the device intercommunication.
Further, storage device is including purifying ash storehouse, gasification groove, roof dust remover and two at least rapping devices, the bottom that purifies ash storehouse sets up two conic section bin portions at least, first export and second export are located conic section bin portion respectively, the gasification groove set up in purify ash storehouse, the gasification groove be located conic section bin portion, rapping device establishes the medial part in purifying ash storehouse, rapping device is located conic section bin portion respectively, roof dust remover set up in purify ash storehouse's upper end.
Further, it is equipped with purification ash input tube, explosion vent, ultrasonic material level indicator, first pressure transmitter and nitrogen gas conveyer pipe to purify the ash storehouse, purification ash input tube be located the upper end of purification ash storehouse and with purification ash storehouse intercommunication, explosion vent and ultrasonic material level indicator locate the upper end of purification ash storehouse, ultrasonic material level indicator is located one side of explosion vent, first pressure transmitter set up in purify the lateral wall in ash storehouse and with purification ash storehouse intercommunication, nitrogen gas conveyer pipe respectively with gasification groove and storehouse top dust remover intercommunication.
Further, the first conveying system and the second conveying system respectively comprise an intermediate bin, a weighing device, a discharging star-shaped discharge valve, a discharging pneumatic gate valve, a Roots blower, a Venturi transmitter and an accelerator, an outlet end is arranged at the bottom of the intermediate bin, the upper end of the intermediate bin is communicated with the conical section bin part, the weighing device is arranged at the outlet end of the bottom of the intermediate bin, one end of the discharging star-shaped discharge valve is communicated with the weighing device, the other end of the discharging star-shaped discharge valve is communicated with one end of the discharging pneumatic gate valve, the other end of the discharging pneumatic gate valve is communicated with the Venturi transmitter, an air outlet end of the Roots blower is communicated with the Venturi transmitter, the outlet end of the Venturi transmitter is communicated with the accelerator, and the accelerator is communicated with the incineration device.
Further, still be equipped with feeding pneumatic push-pull valve and feeding star type discharge valve between intermediate bin and the conic section storehouse portion, the one end of feeding pneumatic push-pull valve conic section storehouse portion intercommunication, the other end of feeding pneumatic push-pull valve the one end intercommunication of feeding star type discharge valve, the other end of feeding star type discharge valve with the intermediate bin intercommunication.
Further, the intermediate bunker is equipped with second pressure transmitter, high charge level indicator and low charge level indicator, second pressure transmitter set up in the upper end of intermediate bunker and with the intermediate bunker intercommunication, high charge level indicator set up in the upper end of intermediate bunker, low charge level indicator set up in the bottom of intermediate bunker.
Furthermore, a third pressure transmitter and a pneumatic quick-closing valve are further arranged between the accelerator and the incineration device, one end of the third pressure transmitter is communicated with the accelerator, the other end of the third pressure transmitter is communicated with the pneumatic quick-closing valve, and the other end of the pneumatic quick-closing valve is communicated with the incineration device.
Furthermore, the nitrogen conveying pipe is also respectively communicated with the intermediate bin and the accelerator.
The beneficial effects of the utility model reside in that: the system can solve the problems of safe and environment-friendly treatment of purified ash and resource utilization through fine control, the storage device is filled with nitrogen atmosphere, the purified ash is fully cooled and protected in the storage device, the first conveying system and the second conveying system, and meanwhile, the purified ash is not contacted with air, and spontaneous combustion of the purified ash in a bin is also avoided; first conveying system and second conveying system establish, when guaranteeing that the unloading is smooth and easy, also effectively avoid roots's wind to up anti scurrying and the ash bin spontaneous combustion that causes, reduced the running cost, through setting up supplementary nitrogen gas, guaranteed that the purification ash does not produce the spontaneous combustion in pipeline, avoid blockking up simultaneously.
Drawings
Fig. 1 is a connection diagram of the whole system device of the present invention.
The reference signs are: 1-ash purification bin, 101-cone section bin part, 2-ash purification input pipeline, 3-explosion door, 4-ultrasonic material level meter, 5-bin top dust remover, 6-first pressure transmitter, 7-rapping device, 8-gasification tank, 9-nitrogen conveying pipe, 10-feeding pneumatic gate valve, 11-feeding star-shaped discharge valve, 12-middle bin, 13-weighing device, 14-second pressure transmitter, 15-high material level meter, 16-low material level meter, 17-discharging star-shaped discharge valve, 18-discharging pneumatic gate valve, 19-roots blower, 20-venturi transmitter, 21-accelerator, 22-third pressure transmitter, 23-pneumatic quick-closing valve and 24-incineration device.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1, which are not intended to limit the present invention.
Referring to fig. 1, a system for finely controlling resource utilization of purified ash comprises a storage device, a first conveying system, a second conveying system and two incinerating devices 24, wherein a first outlet and a second outlet are arranged at the bottom of the storage device, the inlet end of the first conveying system is communicated with the first outlet, the outlet end of the first conveying system is communicated with the incinerating devices 24, the inlet end of the second conveying system is communicated with the second outlet, and the outlet end of the second conveying system is communicated with the other incinerating device 24.
In this embodiment, storage device includes purification ash bin 1, gasification groove 8, roof dust remover 5 and two at least rapping devices 7, the bottom of purification ash bin 1 sets up two conic section bin portions 101 at least, first export and second export are located conic section bin portion 101 respectively, gasification groove 8 set up in purification ash bin 1, gasification groove 8 is located conic section bin portion 101, rapping devices 7 establish the inside portion at purification ash bin 1, rapping devices 7 are located conic section bin portion 101 respectively, roof dust remover 5 set up in the upper end portion of purification ash bin 1.
The bin top dust remover 5 in the embodiment is used for discharging conveying nitrogen during feeding, and adopts nitrogen for blowing, so that purified ash in the purified ash bin 1 is kept not to contact with air, the purified ash in a static state is prevented from igniting and spontaneous combustion, meanwhile, the bin top dust remover 5 can separate the purified ash with the particle size of micron from conveying gas, the separated purified ash falls into the ash bin, and the nitrogen is discharged to the atmosphere, so that the environment is prevented from being polluted; the rapping devices 7 are arranged at the two conical section bin parts 101 at the bottom of the purified ash bin 1, and the walls of the bins are rapped, so that the wall hardening of the purified ash can be effectively avoided, and the discharging requirement can be met; and set up gasification groove 8 device in conic section storehouse portion 101, fill into high-pressure nitrogen gas in to purifying ash storehouse 1, form the air cushion between purifying ash and bulkhead, avoid purifying the ash adherence and harden, satisfy the ejection of compact requirement, wherein in this embodiment through setting up 8 rapping device 7, 12 gasification grooves 8 that set up in two conic section storehouse portions 101 of purifying ash storehouse 1 bottom cooperate, to filling into high-pressure nitrogen gas in purifying ash storehouse 1 the bulkhead of shaking simultaneously, avoid purifying the ash adherence and harden, can satisfy the ejection of compact requirement.
In this embodiment, it is equipped with purification ash input tube, explosion vent 3, ultrasonic material level indicator 4, first pressure transmitter 6 and nitrogen conveyer pipe 9 to purify ash storehouse 1, purify ash input tube be located purification ash storehouse 1 upper end and with purification ash storehouse 1 intercommunication, explosion vent 3 and ultrasonic material level indicator 4 are located purify ash storehouse 1's upper end, ultrasonic material level indicator 4 is located one side of explosion vent 3, first pressure transmitter 6 set up in purify ash storehouse 1's lateral wall and with purification ash storehouse 1 intercommunication, nitrogen conveyer pipe 9 respectively with gasification groove 8 and storehouse top dust remover 5 intercommunication.
In this embodiment, the first conveying system and the second conveying system each include an intermediate bin 12, a weigher, a discharging star-shaped discharge valve 17, a discharging pneumatic gate valve 18, a roots blower 19, a venturi emitter 20, and an accelerator 21, an outlet end is provided at the bottom of the intermediate bin 12, the upper end of the intermediate bin 12 is communicated with the conical section bin portion 101, the weigher is provided at the outlet end at the bottom of the intermediate bin 12, one end of the discharging star-shaped discharge valve 17 is communicated with the weigher, the other end of the discharging star-shaped discharge valve 17 is communicated with one end of the discharging pneumatic gate valve 18, the other end of the discharging pneumatic gate valve 18 is communicated with the venturi emitter 20, an air outlet end of the roots blower 19 is communicated with the venturi emitter 20, an outlet end of the venturi emitter 20 is communicated with the accelerator 21, and the accelerator 21 is communicated with the incineration device 24.
In the embodiment, the first conveying system and the second conveying system both adopt a positive pressure dilute phase pneumatic conveying principle, and Roots wind is used as a conveying air source. The purification ash is through the pneumatic push-pull valve 10 of feeding in the first export and the second export of the conic section storehouse portion 101 of purification ash storehouse 1, behind feeding star type discharge valve 11, gets into intermediate storage bin 12, after the purification ash reaches normal material level in the feed bin, closes the pneumatic push-pull valve 10 of feeding and stops the feeding, opens the pneumatic push-pull valve 18 of ejection of compact, and purification ash is sent into venturi by ejection of compact star type discharge valve 17 and is sent 20 in to accelerated to 32.5m/s by roots's fan 19, is managed to say and is carried to the feed inlet before the incinerator 24. And the pipeline is provided with a first pressure transmitter 6, an expansion joint and a pneumatic shutoff valve, and the conveying pipeline is provided with an auxiliary conveying nitrogen pipeline for filling nitrogen into the conveying pipeline to prevent the purified ash from burning in the pipeline. During blanking, the intermediate bin 12 is filled with high-pressure nitrogen, so that purified ash can smoothly fall into the blanking pipe, meanwhile, the nitrogen atmosphere protects the intermediate bin 12 from spontaneous combustion, and the weighing device can accurately feed back the feeding amount of the purified ash, thereby being beneficial to incineration control; the feeding star-shaped discharge valve 11 and the discharging star-shaped discharge valve 17 run continuously, the discharging pneumatic gate valve 18 is closed during feeding, and the feeding pneumatic gate valve 10 effectively isolates the conveying system and the storage system during discharging, so that the safety of the storage system is ensured; the outlet of the discharging star-shaped discharge valve 17 is provided with a Venturi transmitter 20, and after the Roots conveying air enters the Venturi tube, a negative pressure area is formed at the upper feeding pipe, so that purified ash is sucked into the transmitter and is fully mixed with the conveying air to enter a conveying pipeline.
In this embodiment, still be equipped with feeding pneumatic push-pull valve 10 and feeding star type discharge valve 11 between intermediate bunker 12 and conic section storehouse portion 101, the one end of feeding pneumatic push-pull valve 10 conic section storehouse portion 101 intercommunication, the other end of feeding pneumatic push-pull valve 10 the one end intercommunication of feeding star type discharge valve 11, the other end of feeding star type discharge valve 11 with intermediate bunker 12 intercommunication.
In this embodiment, intermediate bunker 12 is equipped with second pressure transmitter 14, high charge level indicator 15 and low charge level indicator 16, second pressure transmitter 14 set up in intermediate bunker 12 the upper end and with intermediate bunker 12 intercommunication, high charge level indicator 15 set up in the upper end of intermediate bunker 12, low charge level indicator 16 set up in the bottom of intermediate bunker 12.
In this embodiment, a third pressure transmitter 22 and a pneumatic quick-closing valve 23 are further disposed between the accelerator 21 and the incineration device 24, one end of the third pressure transmitter 22 is communicated with the accelerator 21, the other end of the third pressure transmitter 22 is communicated with the pneumatic quick-closing valve 23, and the other end of the pneumatic quick-closing valve 23 is communicated with the incineration device 24.
In this embodiment, the nitrogen conveying pipe 9 is further respectively communicated with the intermediate bunker 12 and the accelerator 21.
In the embodiment, the auxiliary nitrogen conveying pipe 9 is arranged on the conveying pipeline to convey nitrogen, so that the purified ash is effectively prevented from generating spontaneous combustion in the conveying pipeline, the nitrogen pressure is 0.6-0.8 MPa, and the high-pressure nitrogen is adopted for blowing, so that the pipeline is prevented from being blocked.
The working principle of the system for finely controlling the resource utilization of purified ash in the embodiment is as follows:
purified ash is conveyed into the purified ash bin 1 through the purified ash conveying pipeline 2 through nitrogen, the nitrogen is discharged from the bin top dust remover 5, and the purified ash in the purified ash bin 1 is kept not to contact with air by adopting the nitrogen blowing of the nitrogen conveyed by the nitrogen conveying pipeline 9. The purified ash falls into the conical section bin part 101 of the purified ash bin 1 through gravity, and the two conical section bin parts 101 arranged at the bottom of the purified ash bin 1 are respectively used for the two incinerating devices 24. The rapping device 7 is arranged at the conical section bin part 101, and the wall of the bin is rapped to avoid the adherence and hardening of the purified ash. The gasification tank 8 is arranged at the conical section bin part 101, nitrogen conveyed by a nitrogen pipeline is filled into the ash purification bin 1, the wall hardening of the ash purification bin is avoided, and the discharging requirement is met.
Purified ash passes through a feeding pneumatic gate valve 10 at the outlet of the conical section at the bottom of the purified ash bin 1, then passes through a feeding star-shaped discharger and then enters an intermediate bin 12. The intermediate bin 12 is provided with a feeding pneumatic gate valve 10, a feeding star-shaped discharge valve 11, a discharging star-shaped discharge valve 17 and a discharging pneumatic gate valve 18. Feeding star type discharge valve 11 and ejection of compact star type discharge valve 17 continuous operation, the pneumatic push-pull valve 18 of ejection of compact during the feeding closes, and feeding pneumatic push-pull valve 10 effectively keeps apart conveying system and purification ash bin 1 during the ejection of compact, ensures 1 safety in purification ash bin.
The intermediate bin 12 monitors the amount of purified ash in the intermediate bin 12 through the high level indicator 15 and the low level indicator 16, the bottom of the intermediate bin is provided with the weighing device 13, and the purified ash feeding amount is accurately fed back, so that the incineration control is facilitated.
The purified ash enters the venturi transmitter 20 after passing through the discharging star-shaped discharge valve 17 and the pneumatic gate valve, and is accelerated by Roots wind and conveyed to the incineration device 24 through a pipeline. A second pressure transmitter 14 and a third pressure transmitter 22 are arranged on the pipeline for monitoring the pipeline pressure, judging whether blockage exists or not, and a pneumatic quick-closing valve 23 is used for stopping the furnace or stopping the transmission in an emergency situation.
The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.
Claims (8)
1. The utility model provides a system for meticulous control purification ash utilization as a resource which characterized in that: including storage device, first conveying system, second conveying system and two device of burning, the storage device bottom is equipped with first export and second export, first conveying system's entrance point with first export intercommunication, first conveying system's exit end with burn the device intercommunication, second conveying system's entrance point with second export intercommunication, second conveying system's exit end with another burn the device intercommunication.
2. The system for finely controlling the resource utilization of the purified ash as claimed in claim 1, wherein: storage device is including purifying ash storehouse, gasification groove, storehouse top dust remover and two at least rapping devices, the bottom that purifies the ash storehouse sets up two conic section bin portions at least, first export and second export are located conic section bin portion respectively, the gasification groove set up in purify the ash storehouse, the gasification groove be located conic section bin portion, rapping device establishes the inside portion in purifying the ash storehouse, rapping device is located conic section bin portion respectively, the storehouse top dust remover set up in purify the upper end in ash storehouse.
3. The system for finely controlling the recycling of purified ash as claimed in claim 2, wherein: purify the ash storehouse and be equipped with purification ash input tube, explosion vent, ultrasonic material level indicator, first pressure transmitter and nitrogen gas conveyer pipe, purification ash input tube be located the upper end in purification ash storehouse and with purification ash storehouse intercommunication, explosion vent and ultrasonic material level indicator are located purify the upper end in ash storehouse, ultrasonic material level indicator is located one side of explosion vent, first pressure transmitter set up in purify the lateral wall in ash storehouse and with purification ash storehouse intercommunication, nitrogen gas conveyer pipe respectively with gasification groove and storehouse top dust remover intercommunication.
4. The system for finely controlling resource utilization of the purified ash as claimed in claim 3, wherein: the first conveying system and the second conveying system respectively comprise an intermediate bin, a weighing device, a discharging star-shaped discharging valve, a discharging pneumatic gate valve, a Roots blower, a Venturi transmitter and an accelerator, an outlet end is arranged at the bottom of the intermediate bin, the upper end of the intermediate bin is communicated with the conical section bin part, the weighing device is arranged at the outlet end of the bottom of the intermediate bin, one end of the discharging star-shaped discharging valve is communicated with the weighing device, the other end of the discharging star-shaped discharging valve is communicated with one end of the discharging pneumatic gate valve, the other end of the discharging pneumatic gate valve is communicated with the Venturi transmitter, an air outlet end of the Roots blower is communicated with the Venturi transmitter, the outlet end of the Venturi transmitter is communicated with the accelerator, and the accelerator is communicated with the burning device.
5. The system for finely controlling the resource utilization of the purified ash as claimed in claim 4, wherein: still be equipped with feeding pneumatic push-pull valve and feeding star type discharge valve between intermediate bunker and the conic section storehouse portion, the one end of feeding pneumatic push-pull valve conic section storehouse portion intercommunication, the other end of feeding pneumatic push-pull valve the one end intercommunication of feeding star type discharge valve, the other end of feeding star type discharge valve with the intermediate bunker intercommunication.
6. The system for finely controlling the resource utilization of the purified ash as claimed in claim 4, wherein: the intermediate bunker is equipped with second pressure transmitter, high charge level indicator and low charge level indicator, second pressure transmitter set up in the upper end of intermediate bunker and with the intermediate bunker intercommunication, high charge level indicator set up in the upper end of intermediate bunker, low charge level indicator set up in the bottom of intermediate bunker.
7. The system for finely controlling resource utilization of the purified ash as claimed in claim 4, wherein: still be equipped with third pressure transmitter and pneumatic fast valve between accelerator and the device of burning, third pressure transmitter's one end with the accelerator intercommunication, third pressure transmitter's the other end with pneumatic fast valve intercommunication, the other end of pneumatic fast valve with burn the device intercommunication.
8. The system for finely controlling resource utilization of the purified ash as claimed in claim 4, wherein: and the nitrogen conveying pipe is also respectively communicated with the intermediate bin and the accelerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349572.7U CN217665388U (en) | 2022-05-31 | 2022-05-31 | System for meticulous control purification ash utilization as a resource |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349572.7U CN217665388U (en) | 2022-05-31 | 2022-05-31 | System for meticulous control purification ash utilization as a resource |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217665388U true CN217665388U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221349572.7U Active CN217665388U (en) | 2022-05-31 | 2022-05-31 | System for meticulous control purification ash utilization as a resource |
Country Status (1)
| Country | Link |
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| CN (1) | CN217665388U (en) |
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2022
- 2022-05-31 CN CN202221349572.7U patent/CN217665388U/en active Active
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