CN217604100U - Semi-solid dangerous waste treatment system - Google Patents
Semi-solid dangerous waste treatment system Download PDFInfo
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- CN217604100U CN217604100U CN202221807442.3U CN202221807442U CN217604100U CN 217604100 U CN217604100 U CN 217604100U CN 202221807442 U CN202221807442 U CN 202221807442U CN 217604100 U CN217604100 U CN 217604100U
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Abstract
The utility model discloses a useless processing system of semi-solid state danger, receive storehouse, hydraulic pressure plunger pump, edulcorator, first spray gun, second spray gun including semi-solid wastes material to and the dore furnace. The bottom of the semi-solid waste receiving bin is provided with a receiving bin discharge port, one end of the hydraulic plunger pump is connected with the receiving bin discharge port through a pipeline, and the other end of the hydraulic plunger pump is respectively connected to the first spray gun and the second spray gun through pipelines; the first spray gun is arranged on the furnace cone part of the decomposing furnace, and the second spray gun is arranged at the upper part of the decomposing furnace; semi-solid hazardous waste in the semi-solid waste receiving bin is sent into a decomposing furnace for incineration through a first spray gun and a second spray gun, and then enters a cement rotary kiln for calcination; and an impurity remover is arranged on a pipeline connected between the hydraulic plunger pump and the spray gun.
Description
Technical Field
The utility model belongs to the useless field of handling of danger, concretely relates to adopt cement kiln to handle useless novel system of semi-solid state danger.
Background
Solid waste refers to solid and semi-solid waste that is produced in human life and production activities and loses its value. Along with the continuous and deep industrial development of China, the urbanization process is continuously expanded, and the quality and the quantity of the generated solid waste are greatly changed while the living standard of people is improved, so that the method is one of important pollution sources of environmental pollution. Solid wastes are various in types, wide in sources and huge in quantity, and cause great pollution influence on the atmosphere, water sources, soil and human living environment. The pollution control starting time of the solid waste in China is later than that of China, although environmental protection is more and more important with the progress of national technology development, and some progress is made on solid waste treatment in recent years, compared with countries such as Europe and America, the overall level of the solid waste treatment in China is low.
The semi-solid waste mainly comprises municipal sludge, industrial sludge and other semi-solid wastes. The existing treatment mode is mainly a landfill method, but soil hydrology is easily damaged, particularly heavy metals exceed standards, and therefore the soil remediation cost is huge. Therefore, research on the direction and treatment of semi-solid wastes is urgently needed to properly treat the wastes.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to solve the technical problem that to prior art not enough, provide an adopt cement kiln to deal with system of half solid-state hazardous waste in coordination, utilize current cement kiln system high efficiency to handle half solid-state danger useless.
In order to realize the purpose, the utility model discloses the technical scheme who takes as follows:
the utility model provides a useless processing system of semi-solid state danger, includes that semi-solid waste receives storehouse, hydraulic pressure plunger pump, edulcorator, first spray gun, second spray gun to and dore furnace.
The bottom of the semi-solid waste receiving bin is provided with a receiving bin discharge port, one end of the hydraulic plunger pump is connected with the receiving bin discharge port through a pipeline, and the other end of the hydraulic plunger pump is respectively connected to the first spray gun and the second spray gun through pipelines; the first spray gun is arranged on the furnace cone part of the decomposing furnace, and the second spray gun is arranged at the upper part of the decomposing furnace; semi-solid hazardous waste in the semi-solid waste receiving bin is sent into a decomposing furnace for incineration through a first spray gun and a second spray gun, and then enters a cement rotary kiln for calcination; and an impurity remover is arranged on a pipeline connected between the hydraulic plunger pump and the spray gun.
Specifically, a receiving bin door is arranged at the top of the semi-solid waste receiving bin and is opened and closed by adopting hydraulic drive; a stirring device is arranged inside the semi-solid waste receiving bin; the bottom in storehouse is received to semi-solid waste is equipped with double screw feeder, extrudes the interior material of storehouse from receiving the storehouse bin outlet through double screw feeder to carry semi-solid state danger useless to the dore furnace through hydraulic pressure plunger pump.
Specifically, the rear end of a main pipe at the outlet end of the hydraulic plunger pump is divided into two parts, namely a first delivery pipe and a second delivery pipe; a first impurity remover is arranged on the first conveying pipe; a second impurity remover is arranged on the second conveying pipe; the rear ends of the first conveying pipe and the second conveying pipe are combined into a pipeline, and then the pipeline is divided into a first feeding branch pipe and a second feeding branch pipe to respectively convey semi-solid hazardous wastes to the decomposing furnace; the first spray gun is connected to the end of the first feeding branch pipe, and the second spray gun is connected to the end of the second feeding branch pipe.
Preferably, the diameter of a sieve pore of the first impurity remover is 20-30 mm; the diameter of the sieve hole of the second impurity remover is 50-80 mm.
Further, the semi-solid waste receiving bin is connected with an external exhaust fan through a receiving bin exhaust pipe, and waste gas in the semi-solid waste receiving bin is extracted; the air outlet of the exhaust fan is respectively connected with the air supply pipe of the grate cooler and the active carbon adsorption device; and the waste gas in the bin is sent into the cement kiln grate cooler through the grate cooler blast pipe for calcination, or is deodorized by an active carbon adsorption device and then is discharged out through a chimney.
Specifically, the first spray gun and the second spray gun have the same structure and respectively comprise a spray gun pump body, a mounting flange and a spray gun joint; the head of the spray gun pump body is installed on the decomposing furnace through an installation flange.
Specifically, the spray gun joint comprises a material interface, a compressed air interface, a cleaning water interface and a cooling air interface;
the material interface is connected with the semi-solid hazardous waste conveying pipeline;
the compressed air interface is connected with a compressed air storage tank;
the cleaning water interface is connected with a cleaning water pump of the spray gun;
and the cooling air interface is connected with a cooling fan of the spray gun.
Specifically, the first spray gun and the second spray gun are respectively erected on the side surface of the decomposing furnace through mounting brackets.
Preferably, the height of the first spray gun is 2-3 m away from the bottom necking of the decomposing furnace; the height of the second spray gun is 4-5 m away from the top of the decomposing furnace.
Preferably, a level meter is further arranged on the main pipe at the outlet end of the hydraulic plunger pump; the main pipe is connected with the first conveying pipe and the second conveying pipe at the rear end through electric ball valves, and the main pipe is used for switching materials between the two conveying pipes.
Has the advantages that:
(1) The system is provided with two sets of impurity remover bypasses, the sieve mesh sizes of the two sets of impurity removers are different, the selection can be carried out according to the particle size of semi-solid hazardous waste, and the problem that a single set of impurity remover cannot work when being blocked is avoided.
(2) The system is provided with two spray guns, the mounting positions of the two spray guns are different, materials are sent into the decomposing furnace through the two spray guns, heat can be fully utilized, combustion decomposition is carried out, and the phenomenon that the materials are accumulated in a smoke chamber due to insufficient combustion is avoided.
(3) The system effectively solves the problem of blockage of the impurity remover, the pipeline and the spray gun, avoids frequent blockage clearing work of staff, reduces the labor intensity of workers, reduces the direct contact time of the staff and hazardous wastes, plays a role in promoting prevention of occupational diseases, and solves the problem of unstable thermal regulation caused by frequent shutdown of a semi-solid treatment system; on the premise of not influencing the feeding amount, the semi-solid dangerous waste can be treated for 6-8t/h. Utilize the cement kiln to carry out terminal innocent treatment to hazardous waste, can effectively avoid the useless secondary pollution that causes the environment etc. of danger. No accidents such as environment, safety and the like are caused during the disposal, the quality of cement products is qualified, and the exhaust emission reaches the standard.
Drawings
These and/or other advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the semi-solid hazardous waste treatment system.
Fig. 2 is a schematic structural diagram of a spray gun in the semi-solid hazardous waste treatment system.
Wherein each reference numeral represents:
10 a semi-solid waste receiving bin; 11 receiving a bin gate; 12 a stirring device; 13, a double-screw feeder; 14 a receiving bin discharge; 20 hydraulic plunger pump; 21 a level gauge; 31 a first delivery pipe; 32 a second delivery pipe; 33 a first shaker; 34 a second shaker; 35 a first feeding branch pipe; 36 second feeding branch pipes; 40 a first spray gun; 400 spray gun pump body; 401, material interface; 402 a compressed gas interface; 403 cleaning the water interface; 404 a cooling air interface; 405 mounting a bracket; 406 mounting a flange; 41 compressed air storage tank; 42 spray gun cleaning water pump; 43 spray gun cooling blower; 50 a second spray gun; 60, a decomposing furnace; 70 receiving a bin extraction duct; 71 an exhaust fan; 72 grate cooler blast pipe; 73 activated carbon adsorption means; 74 a chimney;
Detailed Description
The invention will be better understood from the following examples.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so as to be known and read by people skilled in the art, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, proportion relation change or size adjustment still falls within the scope which can be covered by the technical content disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "front", "rear" and "middle" are used in the present specification for the sake of clarity, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative relationship can be changed or adjusted without substantial technical changes.
As shown in fig. 1, the semi-solid hazardous waste treatment system includes a semi-solid waste receiving bin 10, a hydraulic plunger pump 20, an impurity remover, a first spray gun 40, a second spray gun 50, and a decomposing furnace 60.
Wherein, the bottom of the semi-solid waste receiving bin 10 is provided with a receiving bin discharge port 14, one end of the hydraulic plunger pump 20 is connected with the receiving bin discharge port 14 through a pipeline, and the other end is respectively connected with the first spray gun 40 and the second spray gun 50 through pipelines; the first spray gun 40 is installed on the furnace cone part of the decomposing furnace 60, and the second spray gun 50 is installed on the upper part of the decomposing furnace 60; sending the semi-solid hazardous waste in the semi-solid waste receiving bin 10 into a decomposing furnace 60 for incineration through a first spray gun 40 and a second spray gun 50, and then entering a cement rotary kiln for calcination; and an impurity remover is arranged on a pipeline connected between the hydraulic plunger pump 20 and the spray gun.
The top of the semi-solid waste receiving bin 10 is provided with a receiving bin door 11 which is opened and closed by hydraulic drive; a stirring device 12 is arranged inside the semi-solid waste receiving bin 10; the bottom of the semi-solid waste receiving bin 10 is provided with a double-screw feeder 13, materials in the bin are extruded out from a discharge port 14 of the receiving bin through the double-screw feeder 13, and semi-solid hazardous wastes are conveyed to the decomposing furnace 60 through the hydraulic plunger pump 20.
The rear end of the main pipe at the outlet end of the hydraulic plunger pump 20 is divided into two parts, namely a first delivery pipe 31 and a second delivery pipe 32; a first impurity remover 33 is arranged on the first conveying pipe 31; a second impurity remover 34 is arranged on the second conveying pipe 32; the rear ends of the first conveying pipe 31 and the second conveying pipe 32 are combined into a pipeline, and then the pipeline is divided into a first feeding branch pipe 35 and a second feeding branch pipe 36 to respectively convey semi-solid hazardous wastes to the decomposing furnace 60; the first spray gun 40 is connected to the end of the first feeding branch 35, and the second spray gun 50 is connected to the end of the second feeding branch 36. The diameter of a sieve hole of the first impurity remover 33 is 20mm; the second shaker 34 has a mesh diameter of 60mm.
A level indicator 21 is also arranged on a main pipe at the outlet end of the hydraulic plunger pump 20; the main pipe is connected with a first conveying pipe 31 and a second conveying pipe 32 at the rear end through electric ball valves, and is used for switching materials between the two conveying pipes. After the materials containing larger particle impurities are conveyed to the pipeline through the plunger pump, the materials are adjusted and conveyed to the first feeding branch pipe 35 for filtering impurities larger than 60mm after being switched through the electric ball valve, and then the materials are atomized and sprayed into the decomposing furnace 60 through the first spray gun 40 and are incinerated in the kiln. If the impurities in the materials are less, the materials enter a second feeding branch pipe 36 for filtering the impurities larger than 20mm through the adjustment of an electric ball valve, and then are atomized and sprayed into a decomposing furnace 60 through a second spray gun 50 to be incinerated in a kiln.
The semi-solid waste receiving bin 10 is connected with an external exhaust fan 70 through a receiving bin exhaust pipe 70, and the waste gas in the semi-solid waste receiving bin 10 is exhausted; the air outlet of the exhaust fan 70 is respectively connected with the grate cooler air supply pipe 72 and the activated carbon adsorption device 73; the waste gas in the bin is sent to the cement kiln grate cooler through a grate cooler blast pipe 72 for calcination, or is deodorized through an active carbon adsorption device 73 and then is discharged through a chimney 74.
As shown in fig. 2, the first spray gun 40 and the second spray gun 50 have the same structure and each include a spray gun pump body 400, a mounting flange 406 and a spray gun joint; the head of the lance pump body 400 is mounted to the decomposition furnace 60 via a mounting flange 406.
The spray gun connector comprises a material interface 401, a compressed air interface 402, a cleaning water interface 403 and a cooling air interface 404.
Referring to fig. 1, a material interface 401 is connected to a semi-solid hazardous waste conveying pipeline.
The compressed air interface 402 is connected to the compressed air storage tank 41.
The cleaning water interface 403 is connected with the spray gun cleaning water pump 42.
The cooling air interface 404 is connected with the lance cooling fan 43.
The first and second lances 40 and 50 are respectively erected on the side of the decomposing furnace 60 by mounting brackets 405.
Because different adding positions have different gas-solid phase temperature distributions and the retention time of the waste after the waste is added is different, the proper waste adding position is selected according to the physical and chemical characteristics of the waste and the gas-solid phase temperature distributions and the retention time of different adding points. It is found that when the first lance 40 is installed at a height 2m from the bottom of the decomposing furnace 60, the second lance 50 is installed at a height 5m from the top of the decomposing furnace 60. The residence time of the materials in the decomposing furnace is increased, the materials are subjected to sufficient heat exchange, the combustion decomposition is completed before the materials enter the kiln, the temperature influence on a smoke chamber of the decomposing furnace is reduced, the coal feeding amount is reduced, the energy consumption is reduced, the influence on kiln thermotechnical work is reduced, the material accumulation phenomenon is reduced, the handling capacity is improved to 6-8t/h under the condition that the kiln yield is not influenced, and the effect is remarkable. The annual average treatment capacity of the system reaches 4113.9970 tons, the treatment efficiency is greatly increased, and the semi-solid production energy consumption is reduced by 57.14%. This system utilizes the cement kiln to carry out terminal innocent treatment to hazardous waste, can effectively avoid danger useless to cause secondary pollution to environment etc.. No accidents such as environment, safety and the like are caused during the disposal, the quality of cement products is qualified, and the exhaust emission reaches the standard.
The utility model provides a thought and method of useless processing system of semi-solid state danger, the method and the way that specifically realize this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary skilled person in this technical field, is not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improve and moist decorations should also regard as the utility model discloses a protection scope. All the components not specified in the present embodiment can be realized by the prior art.
Claims (10)
1. The semi-solid hazardous waste treatment system is characterized by comprising a semi-solid waste receiving bin (10), a hydraulic plunger pump (20), an impurity remover, a first spray gun (40), a second spray gun (50) and a decomposing furnace (60);
a receiving bin discharge port (14) is formed in the bottom of the semi-solid waste receiving bin (10), one end of the hydraulic plunger pump (20) is connected with the receiving bin discharge port (14) through a pipeline, and the other end of the hydraulic plunger pump is respectively connected to the first spray gun (40) and the second spray gun (50) through pipelines; the first spray gun (40) is arranged on the furnace cone part of the decomposing furnace (60), and the second spray gun (50) is arranged on the upper part of the decomposing furnace (60); semi-solid hazardous waste in the semi-solid waste receiving bin (10) is sent into a decomposing furnace (60) through a first spray gun (40) and a second spray gun (50) to be incinerated, and then enters a cement rotary kiln to be calcined; and an impurity remover is arranged on a pipeline connected between the hydraulic plunger pump (20) and the spray gun.
2. The semi-solid hazardous waste treatment system according to claim 1, wherein a receiving bin door (11) is arranged on the top of the semi-solid waste receiving bin (10) and is opened and closed by hydraulic drive; a stirring device (12) is arranged inside the semi-solid waste receiving bin (10); the bottom in storehouse (10) is received to semi-solid waste is equipped with double screw feeder (13), extrudes bin interior material from receiving storehouse bin outlet (14) through double screw feeder (13) to carry semi-solid state danger useless to dore furnace (60) through hydraulic pressure plunger pump (20).
3. The semi-solid state hazardous waste treatment system according to claim 2, wherein the rear end of the main pipe at the outlet end of the hydraulic plunger pump (20) is divided into two, namely a first delivery pipe (31) and a second delivery pipe (32); a first impurity remover (33) is arranged on the first conveying pipe (31); a second impurity remover (34) is arranged on the second conveying pipe (32); the rear ends of the first conveying pipe (31) and the second conveying pipe (32) are combined into a pipeline, and then the pipeline is divided into a first feeding branch pipe (35) and a second feeding branch pipe (36) to respectively convey semi-solid hazardous wastes to the decomposing furnace (60); the first spray gun (40) is connected to the end of the first feeding branch pipe (35), and the second spray gun (50) is connected to the end of the second feeding branch pipe (36).
4. The semi-solid dangerous waste treatment system according to claim 3, wherein the first impurity remover (33) has a mesh diameter of 20-30 mm; the diameter of a sieve hole of the second impurity remover (34) is 50-80 mm.
5. The semi-solid hazardous waste treatment system according to claim 1, wherein the semi-solid waste receiving bin (10) is connected with an external exhaust fan (71) through a receiving bin exhaust pipe (70) to exhaust the semi-solid waste receiving bin (10); the air outlet of the exhaust fan (71) is respectively connected with the air supply pipe (72) of the grate cooler and the active carbon adsorption device (73); the waste gas in the bin is sent into the cement kiln grate cooler through a grate cooler blast pipe (72) for calcination, or is deodorized through an active carbon adsorption device (73) and then is discharged through a chimney (74).
6. The semi-solid hazardous waste treatment system of claim 1, wherein the first lance (40) and the second lance (50) are identical in structure and each comprise a lance pump body (400), a mounting flange (406), and a lance adapter; the head of the spray gun pump body (400) is arranged on the decomposing furnace (60) through a mounting flange (406).
7. The semi-solid state hazardous waste treatment system of claim 6, wherein the lance joint comprises a material interface (401), a compressed gas interface (402), a cleaning water interface (403), and a cooling air interface (404);
the material interface (401) is connected with a semi-solid hazardous waste conveying pipeline;
the compressed air interface (402) is connected with a compressed air storage tank (41);
the cleaning water interface (403) is connected with a spray gun cleaning water pump (42);
the cooling air interface (404) is connected with a spray gun cooling fan (43).
8. The semi-solid hazardous waste treatment system of claim 6, wherein the first and second lances (40, 50) are respectively erected at the side of the decomposition furnace (60) by mounting brackets (405).
9. The semi-solid hazardous waste treatment system according to claim 8, wherein the first lance (40) is erected at a height 2-3 m from a bottom throat of the decomposing furnace (60); the height of the second spray gun (50) is 4-5 m away from the top of the decomposing furnace (60).
10. The semi-solid hazardous waste treatment system according to claim 3, wherein a level gauge (21) is further provided on the manifold at the outlet end of the hydraulic plunger pump (20); the main pipe is connected with a first conveying pipe (31) and a second conveying pipe (32) at the rear end through electric ball valves, and the main pipe is used for switching materials between the two conveying pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221807442.3U CN217604100U (en) | 2022-07-14 | 2022-07-14 | Semi-solid dangerous waste treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221807442.3U CN217604100U (en) | 2022-07-14 | 2022-07-14 | Semi-solid dangerous waste treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217604100U true CN217604100U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221807442.3U Active CN217604100U (en) | 2022-07-14 | 2022-07-14 | Semi-solid dangerous waste treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN217604100U (en) |
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2022
- 2022-07-14 CN CN202221807442.3U patent/CN217604100U/en active Active
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