CN210219787U - Novel rural household garbage incineration system - Google Patents
Novel rural household garbage incineration system Download PDFInfo
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- CN210219787U CN210219787U CN201922293486.3U CN201922293486U CN210219787U CN 210219787 U CN210219787 U CN 210219787U CN 201922293486 U CN201922293486 U CN 201922293486U CN 210219787 U CN210219787 U CN 210219787U
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Abstract
The utility model provides a novel rural domestic waste burns system, including burning furnace, postcombustion room, heat exchanger, vapor separator, desulfurization dust remover, draught fan, cigarette expert. The utility model discloses the problem that exists to the waste incineration system of villages and towns has carried out the optimal design to carry out the redesign to tail gas treatment system, can reduce overall system total investment cost and running cost, the environmental protection emission index is reliable and stable, is superior to national environmental protection index.
Description
Technical Field
The utility model relates to a flue gas desulfurization dust removal technical field specifically is a novel rural and township domestic waste burns system.
Background
With the improvement of the living standard of urban residents and the beginning of new rural construction, the living quality of people gradually develops from good health to rich, and the requirement on the environmental quality is higher and higher. Along with the development of social economy, the yield of urban domestic garbage is more and more, and the harmless treatment of the domestic garbage becomes a problem which is increasingly concerned by people and a problem which needs to be solved urgently by governments. Therefore, finding an economic method for treating the pollution of urban domestic garbage, which is beneficial to sustainable development, has become one of the actual works of the government for the people.
The urban environment construction is well done, and simultaneously, ecological town construction is also carried out, so that ecological human habitation harmonious with nature is constructed, town infrastructure is further perfected, and ecological town construction is accelerated.
The total population of the towns is 2-3 thousands of people, the per-capita daily garbage generation amount is estimated to be 0.8 kg/person by taking the 'handbook for first national pollution source general survey of urban life source pollution discharge coefficient of life' as a theoretical basis and combining factors such as urban resident income, living standard and the like, and the average daily garbage generation amount of the whole towns is 20 tons by calculation. Therefore, the popularization of the garbage disposal system is imperative.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel rural area town domestic waste burns system has carried out optimal design to the problem that rural area town refuse incineration system exists to carry out redesign to tail gas treatment system, can reduce total investment cost of entire system and running cost, the index is reliable and stable in environmental protection emission, is superior to national environmental protection index.
The technical scheme of the utility model as follows:
the novel rural domestic garbage incineration system comprises an incinerator, a secondary combustion chamber, a heat exchanger, a water-vapor separator, a desulfurization dust remover, an induced draft fan and a smoke channel;
the upper end of the incinerator is provided with an air outlet, and the air outlet of the incinerator is connected with an inlet of the secondary combustion chamber through a pipeline; the outlet of the secondary combustion chamber is connected with the inlet of the water-vapor separator through a heat exchanger; the outlet of the water-vapor separator is connected with the inlet of the desulfurization dust remover through a pipeline; the outlet of the desulfurization dust remover is connected with the air inlet of the induced draft fan through a pipeline; the air outlet of the draught fan is connected with the inlet at the lower part of the smoke pipe through a pipeline. The bottom of the smoke tube is provided with a discharge port communicated with a water removal tank.
Novel rural domestic waste incineration system still include the active carbon adsorption tower, the active carbon adsorption tower locate the pipeline between desulfurization dust remover and the draught fan on, the import and the exit linkage of desulfurization dust remover of active carbon adsorption tower bottom, the export at active carbon adsorption tower top and the air intake connection of draught fan.
The desulfurization dust remover comprises a shell, a rotating shaft, a rotating drum, a filter body, a liquid spraying pipe, a liquid supply pump and a liquid supply pool;
the rotary drum is arranged in the shell, the axial direction of the rotary drum is the horizontal direction, the rear end of the rotary drum is closed, and the front end of the rotary drum is of an open structure; the rotating shaft extends into the shell from the rear end of the shell and is fixedly connected with the middle part of the end wall at the rear end of the rotating drum, and the rotating shaft is connected with an external rotating mechanism to drive the rotating drum to rotate; the front end of the rotary drum is arranged on the front end wall of the shell through a rotary sealing element, penetrates out of the rear end wall of the shell and can rotate relative to the rotary sealing element;
the rotary drum comprises a filter cylinder and an air outlet pipe; the front end and the rear end of the filter cylinder are respectively provided with an end wall, and a filter body is assembled between the edges of the front end wall and the rear end wall of the filter cylinder through a support frame; the middle part of the rear end wall of the filter cartridge is provided with an air outlet pipe; the front end of the air outlet pipe is arranged on the front end wall of the shell through a bearing and extends out of the rear end wall of the shell;
the top of the shell is provided with an inlet which is connected with an outlet of the water-vapor separator through a pipeline; the outer wall of the rear end of the shell is fixedly provided with a short section in a sealing way, the short section integrally sleeves an outlet of the air outlet pipe, and an outlet of the short section is connected with an inlet of the activated carbon adsorption tower through a pipeline;
a liquid spraying pipe is arranged in the rotary drum, and a plurality of liquid spraying ports are arranged on the part of the liquid spraying pipe, which is positioned in the filter cylinder and corresponds to the filter body, at intervals; the liquid spraying pipe extends out of an opening at the front end of the air outlet pipe and is connected with a liquid pipeline through an union joint, the liquid pipeline extends out of the side wall of the short section and is connected with an outlet of a liquid supply pump, an inlet of the liquid supply pump is connected with a liquid supply pool through a pipeline, and the liquid pipeline is connected with the side wall of the short section in a welding mode; the alkali liquor in the liquid supply pool is conveyed to the liquid spraying pipe through the liquid supply pump and is sprayed onto the filter body, the alkali liquor forms a fog film under the centrifugal force due to the rotating action of the filter body, and the flue gas is forced to be fully contacted with the alkali liquor film in the filter body, so that the full desulfurization and dust removal are realized.
The bottom of the shell is provided with a liquid outlet, and the liquid outlet extends into the position below the liquid level of the external waste liquid pool through a liquid discharge pipe to form a liquid seal.
The rotary sealing element comprises a bearing, a bearing seat, a flange, a carbon ring sealing ring, a gland and a sealing stuffing box, wherein the bearing seat is fixedly arranged in the middle of the end wall of the front end of the shell, the inner circular surface of the bearing seat is contacted with the outer circular surface of the air outlet pipe, a bearing groove is formed in the front end surface of the bearing seat, the bearing is arranged in the bearing groove, the gland is arranged on the front end surface of the bearing seat, the sealing element is arranged on the gland, the bearing is packaged in the bearing seat by the gland, a sealing ring groove is formed in the inner circular surface of the bearing seat, and the carbon ring sealing; the sealing stuffing box is sleeved on the outer circular surface of the air outlet pipe, the front end of the sealing stuffing box is contacted with the rear end surface of the bearing seat, the flange is sleeved on the front end of the sealing stuffing box, the upper edge of the front end surface of the flange is fixed on the front end wall of the shell through a bolt to press the sealing stuffing box, and sealing stuffing is arranged in the sealing stuffing box; the air outlet pipe can rotate relative to the sealing stuffing box, the bearing seat and the gland.
The sealing filler is asbestos, packing or tetrafluoro material.
The filter body is made of silk screen, regular packing or honeycomb material.
A fire grate is arranged in the incinerator, and an air distribution chamber is arranged below the fire grate; the lower part of the side surface of the incinerator is provided with a garbage feeding hole, and the garbage feeding hole is connected with a garbage feeding channel. The slag discharging at the bottom of the furnace can adopt a mode of 'a water tank + a slag scraper + a belt conveyer' to automatically discharge slag, the slag scraper drags slag in the water tank to the belt conveyer, the slag is directly conveyed to a slag field by the belt conveyer, the labor is reduced, and the labor intensity is reduced.
The heat exchanger is internally provided with a plurality of heat exchange tubes, the inlets of the heat exchange tubes are connected with the air outlet of an external combustion fan through pipelines, and the outlets of the heat exchange tubes are respectively connected with the air distribution chamber and the front part of the secondary combustion chamber through pipelines, so that hot air can be provided for the incinerator and the secondary combustion chamber.
The secondary combustion chamber is a tunnel type combustion chamber, and a diesel oil spray nozzle is arranged in the middle of the secondary combustion chamber and sprays diesel oil to assist combustion.
The upper end of the front part in the water-vapor separator is provided with a spray head, the spray head penetrates through the outer wall of the water-vapor separator through a pipeline to be connected with an outlet of a water pump, an inlet of the water pump is connected with a water pool, and the rear part in the water-vapor separator is provided with a filtering wire mesh for separating water.
The system combines practical conditions, carries out optimization design on the problems of the current rural waste incineration system, redesigns the tail gas treatment system, simplifies the equipment structure, reduces the total investment cost and the operation cost of the whole system, has stable and reliable environmental-friendly emission indexes and is superior to the national environmental-friendly indexes.
The utility model discloses well preferred desulfurization dust remover who adopts all has good adaptability to the rerum natura (like organic, inorganic, hydrophilic, increase water etc.) of dust, concentration change, dust concentration fluctuation, and operation elasticity is big, changes at design tolerance 50~120% within range and all can guarantee normal emission index. The dust removal device has the advantages of good mechanical operation stability, reliability, long-term property, easiness in maintenance and the like, and has higher dust removal efficiency and lower operation cost. The rotating structure has siphon and suction functions during operation, and the resistance generated to the whole system is small; therefore, the centrifugal force field machine is adopted, and not only can the integration of desulfurization and dust removal be realized. Meanwhile, the equipment has small occupied area, is particularly suitable for matching or transforming new and old dust removal and desulfurization systems, is widely applied to occasions needing dust removal and desulfurization, has the desulfurization and dust removal efficiency of more than 99.5 percent, can meet different requirements, and has low operation cost, low equipment investment, small occupied area, long service life and reliable operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic structural view of the desulfurization dust collector of the present invention.
FIG. 3 is a schematic structural view of the rotary sealing member of the desulfurization dust collector of the present invention.
The sequence numbers and names in the figure are:
1-a shell; 2-a rotating shaft; 3-a rotating drum; 4-a filter; 5-a liquid spraying pipe; 6-a flue gas inlet; 7-a liquid discharge port; 8-a filter cartridge; 9-air outlet pipe; 10-rotating the seal; 11-a bearing seat; 12-a flange; 13-a carbocyclic ring seal; 14-a gland; 15-sealing a stuffing box; 16-short section; 17-support, 18-bearing, 19-gland, 20-liquid pipeline, 21-incinerator, 22-secondary combustion chamber, 23-heat exchanger, 24-water-vapor separator, 25-desulfurization dust remover, 26-induced draft fan, 27-smoke through, 28-activated carbon adsorption tower, 29-liquid supply pump, 30-liquid supply pool, 31-fire grate, 32-air distribution chamber, 33-combustion fan, 34-spray head, 35-water pump, 36-water pool and 37-filtering wire mesh.
Detailed Description
The present invention will be described in detail with reference to the following examples.
Example 1
As shown in fig. 1-2, the novel system for incinerating domestic garbage in villages and towns comprises an incinerator 21, a secondary combustion chamber 22, a heat exchanger 23, a water-vapor separator 24, a desulfurization dust remover 25, an induced draft fan 26 and a smoke channel 27;
the upper end of the incinerator 21 is provided with an air outlet, and the air outlet of the incinerator 21 is connected with an inlet of the secondary combustion chamber 22 through a pipeline; the outlet of the secondary combustion chamber 22 is connected with the inlet of a water-vapor separator 24 through a heat exchanger 23; the outlet of the water-vapor separator 24 is connected with the inlet of a desulfurization dust remover 25 through a pipeline; the outlet of the desulfurization dust remover 25 is connected with the air inlet of an induced draft fan 26 through a pipeline; the air outlet of the induced draft fan 26 is connected with the inlet at the lower part of the smoke channel 27 through a pipeline.
Novel rural domestic waste incineration system still include activated carbon adsorption tower 28, activated carbon adsorption tower 28 locate the pipeline between desulfurization dust remover 25 and draught fan 26 on, the import of 28 bottoms of activated carbon adsorption tower and the exit linkage of desulfurization dust remover 25, the export at 28 tops of activated carbon adsorption tower and the air intake connection of draught fan 26.
The desulfurization dust remover 25 comprises a shell 1, a rotating shaft 2, a rotating drum 3, a filter 4, a liquid spraying pipe 5, a liquid supply pump 29 and a liquid supply pool 30;
the rotary drum 3 is arranged in the shell 1, the axial direction of the rotary drum 3 is the horizontal direction, the rear end of the rotary drum 3 is closed, and the front end of the rotary drum is of an open structure; the rotating shaft 2 extends into the shell 1 from the rear end of the shell 1 and is fixedly connected with the middle part of the end wall at the rear end of the rotating drum 3, and the rotating shaft 2 is connected with an external rotating mechanism to drive the rotating drum 3 to rotate; the front end of the rotary drum 3 is arranged on the front end wall of the shell 1 through a rotary sealing piece 10, penetrates out of the rear end wall of the shell 1 and can rotate relative to the rotary sealing piece 10;
the rotary drum 3 comprises a filter cylinder 8 and an air outlet pipe 9; the front end and the rear end of the filter cylinder 8 are respectively provided with an end wall, and the filter body 4 is assembled between the edges of the front end wall and the rear end wall of the filter cylinder 8 through a support frame; an air outlet pipe 9 is arranged in the middle of the rear end wall of the filter cylinder 8; the front end of the air outlet pipe 9 is arranged on the front end wall of the shell 1 through a bearing and extends out of the rear end wall of the shell 1;
the top of the shell 1 is provided with an inlet which is connected with an outlet of the water-vapor separator 24 through a pipeline; the outer wall of the rear end of the shell 1 is fixedly provided with a short section 16 in a sealing way, the short section 16 integrally sleeves an outlet of the air outlet pipe 9, and an outlet of the short section 16 is connected with an inlet of the activated carbon adsorption tower 8 through a pipeline;
a liquid spraying pipe 5 is arranged in the rotary drum 3, and the liquid spraying pipe 5 is positioned in the filter cylinder 8 and is provided with a plurality of liquid spraying ports at intervals on the part corresponding to the filter body 4; the liquid spraying pipe 5 extends out from an opening at the front end of the air outlet pipe 9 and is connected with a liquid pipeline 20 through an union, the liquid pipeline 20 extends out from the side wall of the short section 16 and is connected with an outlet of a liquid supply pump 29, an inlet of the liquid supply pump 29 is connected with a liquid supply pool 30 through a pipeline, and the liquid pipeline 20 is connected with the side wall of the short section 16 in a welding mode;
the bottom of the shell 1 is provided with a liquid outlet 7, and the liquid outlet 7 extends into the liquid level of the external waste liquid pool through a liquid outlet pipe to form a liquid seal.
The rotary sealing element 10 comprises a bearing 18, a bearing seat 11, a flange 12, a carbon ring sealing ring 13, a gland 14 and a sealing stuffing box 15, wherein the bearing seat 11 is fixedly arranged in the middle of the front end wall of the shell 1, the inner circular surface of the bearing seat 11 is contacted with the outer circular surface of the air outlet pipe 9, a bearing groove is formed in the front end surface of the bearing seat 11, the bearing 18 is arranged in the bearing groove, the gland 14 is arranged on the front end surface of the bearing seat 11, the sealing element 19 is arranged on the gland 14, the bearing 18 is packaged in the bearing seat 11 by the gland 14, a sealing ring groove is formed in the inner circular surface of the bearing seat 11, and the carbon ring sealing ring 13 is arranged; the sealing packing box 15 is sleeved on the outer circular surface of the air outlet pipe 9, the front end of the sealing packing box 15 is in contact with the rear end surface of the bearing seat 11, the flange 12 is sleeved on the front end of the sealing packing box 15, the upper edge of the front end surface of the flange 12 is fixed on the front end wall of the shell 1 through a bolt to press the sealing packing box 15, and sealing packing is arranged in the sealing packing box 15; the air outlet pipe 9 can rotate relative to the sealing stuffing box 15, the bearing seat 11 and the gland 14.
The sealing filler is asbestos, packing or tetrafluoro material.
The filter body 4 is made of silk screen, structured packing or honeycomb material.
A grate 31 is arranged in the incinerator 21, and an air distribution chamber 32 is arranged below the grate 31; the lower part of the side surface of the incinerator 21 is provided with a garbage feeding hole, and the garbage feeding hole is connected with a garbage feeding channel.
A plurality of heat exchange tubes are arranged in the heat exchanger 23, the inlets of the heat exchange tubes are connected with the air outlet of an external combustion fan 33 through pipelines, the outlets of the heat exchange tubes are respectively connected with the air distribution chamber 32 and the front part of the secondary combustion chamber 22 through pipelines, and hot air can be provided for the incinerator 21 and the secondary combustion chamber 22.
The secondary combustion chamber 22 is a tunnel type combustion chamber, and a diesel spray nozzle is arranged in the middle of the secondary combustion chamber 22 for spraying diesel to assist combustion.
The upper end of the inner front part of the water-vapor separator 24 is provided with a spray head 34, the spray head 34 penetrates through the outer wall of the water-vapor separator 24 through a pipeline to be connected with an outlet of a water pump 35, an inlet of the water pump 35 is connected with a water pool 36, and the rear part in the water-vapor separator 24 is provided with a filtering screen 37 for separating water.
Claims (10)
1. The utility model provides a novel rural domestic waste system that burns, includes incinerator (21), postcombustion room (22), heat exchanger (23), vapor separator (24), desulfurization dust remover (25), draught fan (26), cigarette leads to (27), its characterized in that:
the upper end of the incinerator (21) is provided with an air outlet, and the air outlet of the incinerator (21) is connected with an inlet of the secondary combustion chamber (22) through a pipeline; the outlet of the secondary combustion chamber (22) is connected with the inlet of a water-vapor separator (24) through a heat exchanger (23); the outlet of the water-vapor separator (24) is connected with the inlet of a desulfurization dust remover (25) through a pipeline; the outlet of the desulfurization dust remover (25) is connected with the air inlet of an induced draft fan (26) through a pipeline; and an air outlet of the induced draft fan (26) is connected with an inlet at the lower part of the smoke channel (27) through a pipeline.
2. The new rural domestic waste incineration system of claim 1, wherein: still include activated carbon adsorption tower (28), activated carbon adsorption tower (28) locate on the pipeline between desulfurization dust remover (25) and draught fan (26), the import of activated carbon adsorption tower (28) bottom and the exit linkage of desulfurization dust remover (25), the export at activated carbon adsorption tower (28) top and the air intake connection of draught fan (26).
3. The new rural domestic waste incineration system of claim 1, wherein: the desulfurization dust remover (25) comprises a shell (1), a rotating shaft (2), a rotary drum (3), a filter body (4), a liquid spraying pipe (5), a liquid supply pump (29) and a liquid supply pool (30);
the rotary drum (3) is arranged in the shell (1), the axial direction of the rotary drum (3) is the horizontal direction, the rear end of the rotary drum (3) is closed, and the front end of the rotary drum is of an open structure; the rotating shaft (2) extends into the shell (1) from the rear end of the shell (1) and is fixedly connected with the middle part of the end wall at the rear end of the rotating drum (3), and the rotating shaft (2) is connected with an external rotating mechanism to drive the rotating drum (3) to rotate; the front end of the rotary drum (3) is arranged on the front end wall of the shell (1) through a rotary sealing piece (10), penetrates out of the rear end wall of the shell (1), and can rotate relative to the rotary sealing piece (10);
the rotary drum (3) comprises a filter cylinder (8) and an air outlet pipe (9); the front end and the rear end of the filter cylinder (8) are respectively provided with an end wall, and the filter body (4) is assembled between the edges of the front end wall and the rear end wall of the filter cylinder (8) through a support frame; an air outlet pipe (9) is arranged in the middle of the rear end wall of the filter cylinder (8); the front end of the air outlet pipe (9) is arranged on the front end wall of the shell (1) through a bearing and extends out of the rear end wall of the shell (1);
the top of the shell (1) is provided with an inlet which is connected with an outlet of the water-vapor separator (24) through a pipeline; the outer wall of the rear end of the shell (1) is fixedly provided with a short section (16) in a sealing way, the short section (16) integrally sleeves an outlet of the air outlet pipe (9), and an outlet of the short section (16) is connected with an inlet of the activated carbon adsorption tower (28) through a pipeline;
a liquid spraying pipe (5) is arranged in the rotary drum (3), and a plurality of liquid spraying ports are arranged on the part of the liquid spraying pipe (5) which is positioned in the filter cylinder (8) and corresponds to the filter body (4) at intervals; the liquid spraying pipe (5) extends out from an opening at the front end of the air outlet pipe (9) and is connected with a liquid pipeline (20) through a movable joint, the liquid pipeline (20) extends out from the side wall of the short section (16) and is connected with an outlet of a liquid supply pump (29), an inlet of the liquid supply pump (29) is connected with a liquid supply pool (30) through a pipeline, and the liquid pipeline (20) is connected with the side wall of the short section (16) in a welding mode;
the bottom of the shell (1) is provided with a liquid outlet (7), and the liquid outlet (7) extends into the liquid level of the external waste liquid pool through a liquid outlet pipe to form a liquid seal.
4. The new rural domestic waste incineration system of claim 3, wherein: the rotary sealing element (10) comprises a bearing (18), a bearing seat (11), a flange (12), a carbon ring sealing ring (13), a gland (14) and a sealing stuffing box (15), wherein the bearing seat (11) is fixedly arranged in the middle of the front end wall of the shell (1), the inner circular surface of the bearing seat (11) is contacted with the outer circular surface of the air outlet pipe (9), a bearing groove is formed in the front end surface of the bearing seat (11), the bearing (18) is arranged in the bearing groove, the gland (14) is arranged on the front end surface of the bearing seat (11), a sealing element (19) is arranged on the gland (14), the bearing (18) is packaged in the bearing seat (11) by the gland (14), the sealing ring groove is formed in the inner circular surface of the bearing seat (11), and the carbon ring sealing ring (13) is arranged in the sealing; the sealing packing box (15) is sleeved on the outer circular surface of the air outlet pipe (9), the front end of the sealing packing box is contacted with the rear end surface of the bearing seat (11), the flange (12) is sleeved on the front end of the sealing packing box (15), the upper edge of the front end surface of the flange (12) is fixed on the front end wall of the shell (1) through a bolt to press the sealing packing box (15), and sealing packing is arranged in the sealing packing box (15); the air outlet pipe (9) can rotate relative to the sealing stuffing box (15), the bearing seat (11) and the gland (14).
5. The new rural domestic waste incineration system of claim 4, wherein: the sealing filler is asbestos, packing or tetrafluoro material.
6. The new rural domestic waste incineration system of claim 3, wherein: the filter body (4) is made of silk screen, structured packing or honeycomb material.
7. The new rural domestic waste incineration system of claim 1, wherein: a grate (31) is arranged in the incinerator (21), and an air distribution chamber (32) is arranged below the grate (31); the lower part of the side surface of the incinerator (21) is provided with a garbage feeding hole, and the garbage feeding hole is connected with a garbage feeding channel.
8. The new rural domestic waste incineration system of claim 7, wherein: a plurality of heat exchange tubes are arranged in the heat exchanger (23), the inlets of the heat exchange tubes are connected with the air outlet of an external combustion fan (33) through pipelines, the outlets of the heat exchange tubes are respectively connected with the air distribution chamber (32) and the front part of the secondary combustion chamber (22) through pipelines, and hot air can be provided for the incinerator (21) and the secondary combustion chamber (22).
9. The new rural domestic waste incineration system of claim 1, wherein: the secondary combustion chamber (22) is a tunnel type combustion chamber, and a diesel spray nozzle is arranged in the middle of the interior of the secondary combustion chamber (22) and sprays diesel to assist combustion.
10. The new rural domestic waste incineration system of claim 1, wherein: the upper end of the inner front part of the water-vapor separator (24) is provided with a spray head (34), the spray head (34) penetrates through the outer wall of the water-vapor separator (24) through a pipeline to be connected with an outlet of a water pump (35), an inlet of the water pump (35) is connected with a water pool (36), and the rear part in the water-vapor separator (24) is provided with a filtering wire net (37) for separating water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293486.3U CN210219787U (en) | 2019-12-19 | 2019-12-19 | Novel rural household garbage incineration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293486.3U CN210219787U (en) | 2019-12-19 | 2019-12-19 | Novel rural household garbage incineration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210219787U true CN210219787U (en) | 2020-03-31 |
Family
ID=69921637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922293486.3U Expired - Fee Related CN210219787U (en) | 2019-12-19 | 2019-12-19 | Novel rural household garbage incineration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210219787U (en) |
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2019
- 2019-12-19 CN CN201922293486.3U patent/CN210219787U/en not_active Expired - Fee Related
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Granted publication date: 20200331 Termination date: 20211219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |