CN203820779U - Kitchen waste treatment equipment and biogas tank thereof - Google Patents
Kitchen waste treatment equipment and biogas tank thereof Download PDFInfo
- Publication number
- CN203820779U CN203820779U CN201420096396.XU CN201420096396U CN203820779U CN 203820779 U CN203820779 U CN 203820779U CN 201420096396 U CN201420096396 U CN 201420096396U CN 203820779 U CN203820779 U CN 203820779U
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- China
- Prior art keywords
- reaction tank
- tank
- gas
- reaction
- row
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010806 kitchen waste Substances 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 161
- 239000000376 reactant Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002893 slag Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000010865 sewage Substances 0.000 claims description 36
- 239000012530 fluid Substances 0.000 claims description 21
- 238000005273 aeration Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000855 fermentation Methods 0.000 abstract description 16
- 230000004151 fermentation Effects 0.000 abstract description 16
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 11
- 210000001503 joint Anatomy 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 76
- 238000010411 cooking Methods 0.000 description 25
- 239000010813 municipal solid waste Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses kitchen waste treatment equipment and a biogas tank thereof. The biogas tank comprises a first reaction tank, a second reaction tank and a water pump, wherein a feed port and a first exhaust port are formed at the top end of the first reaction tank, and a reactant discharge valve is arranged at the bottom end of the first reaction tank; a reactant inlet is formed at the top end of the second reaction tank, and a slag outlet is formed at the bottom end of the second reaction tank. The first reaction tank is arranged at the upper end of the second reaction tank, and the reactant discharge valve is in butt joint with the reactant inlet; after the kitchen waste in the first reaction tank reacts/is fermented for the first preset time, the reactant discharge valve is opened, and the fermentation is continued in the second reaction tank; the slag outlet is opened at the third preset time so as to discharge the reaction slag in the second reaction tank. The water pump is connected between the first reaction tank and the second reaction tank and used for extracting the reaction liquid of the preset amount from the second reaction tank and conveying the reaction liquid into the first reaction tank; the fermentation efficiency of raw materials in the first reaction tank can be improved, and the water resource is saved. The utility model discloses kitchen waste treatment equipment.
Description
Technical field
The application relates to a kind of sanitation equipment, is specifically related to a kind of kitchen waste processing equipment and tank for sewage gas thereof.
Background technology
At present, in many cities, the rubbish from cooking in most restaurant and dining room is all purchased as animal-feed at a low price.In rubbish from cooking, organic content is high, easily grows harmful bacteria, can cause pig to catch, harm people's health.The rubbish from cooking major part that family produces all follows common domestic garbage mixing together, then carries out landfill.In rubbish from cooking, organic content is high, perishable smelly, may contain a large amount of virus, pathogenic micro-organism etc. and easily cause transmission of disease.In addition rubbish from cooking is put together, carry out fodder processing and finally obtain biological fodder.The fodder complex disposal process of rubbish from cooking requires high, and the shortcoming simultaneously also existing is that energy consumption is high, less economical.Burning electricity generation is processed rubbish from cooking, and the heat energy of generation is convertible into electric energy, can realize the recycling of the energy.But the investment that burning electricity generation needs is many, and be subject to the restriction of discharging standards when burning electricity generation emission, also may have produced toxic byproduct as dioxin etc., therefore, the mode of burning electricity generation is also difficult to be used widely.
Summary of the invention
The application provides a kind of kitchen waste processing equipment and tank for sewage gas thereof, for rubbish from cooking provides another kind of processing mode.
According to the application's first aspect, the application provides a kind of tank for sewage gas, comprises the first reaction tank, the second reaction tank and water pump, wherein:
The first reaction tank top is provided with for the feeding mouth of throwing raw materials in the first reaction tank with for discharging the first row gas port of the gas producing in the first reaction tank, the first reaction tank bottom also comprises the reactant vent valves for discharging the solid-liquid reaction thing in the first reaction tank, and the first reaction tank sidewall has into fluid through-hole.
The second reaction tank is connected in the first reaction tank below.The second reaction tank top has the reactant entrance matching with reactant vent valves, and the second reaction tank bottom is provided with the slag-drip opening for opening the reaction slag in discharge the second reaction tank, and the second reaction tank sidewall has out fluid through-hole.
The end that pumps of water pump is connected to into fluid through-hole, pumps into end and is connected to out fluid through-hole.
Further, the second reaction tank top sidewall is provided with the second row gas port for discharging the gas producing in the second reaction tank.
Further, the bottom of the first reaction tank is provided with aerating apparatus, and preferably, the inlet mouth of aerating apparatus is communicated with second row gas port.Further, the tank for sewage gas that the application provides also comprises aeration valve, and aeration valve is connected between the inlet mouth and second row gas port of aerating apparatus.Preferably, between aeration valve, aerating apparatus and second row gas port, connect by threeway: the inlet mouth of threeway is connected in second row gas port, the inlet mouth of the first air outlet, aeration valve and the aerating apparatus of threeway is communicated with successively, and the second air outlet of threeway is connected with second row air valve.
Further, the tank for sewage gas that the application provides also comprises filtration unit, and filtration unit is connected to pumping into end and going out between fluid through-hole of water pump (3).
According to the application's second aspect, the application provides a kind of kitchen waste processing equipment, comprises gas-holder and above-mentioned tank for sewage gas.
Gas-holder is communicated with tank for sewage gas, and gas-holder is for collecting the gas that tank for sewage gas gives off.
The application's beneficial effect is: the tank for sewage gas providing according to the application, send into the first reaction tank by abstraction reaction liquid from the second reaction tank, can improve the fermentation efficiency of raw material in the first reaction tank, and can reduce to the water injecting in the first reaction tank, save water resources.
The kitchen waste processing equipment that the application provides can be collected the biogas that above-mentioned tank for sewage gas fermentation produces.
Brief description of the drawings
Fig. 1 is the embodiment of the present application one tank for sewage gas structure iron;
Fig. 2 is the embodiment of the present application two tank for sewage gas structure iron;
Fig. 3 is the disclosed a kind of kitchen waste processing equipment of the embodiment of the present application three.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Embodiment mono-:
Please refer to Fig. 1, is the disclosed tank for sewage gas structure iron of the present embodiment, specifically comprises: the first reaction tank 1, the second reaction tank 2 and water pump 3.
The first reaction tank 1 top is provided with feeding mouth 12 and first row gas port 11.
Feeding mouth 12 is for to the interior throwing raw materials of the first reaction tank 1, and in a kind of specific embodiment, feeding mouth 12 is opened in the time throwing in rubbish from cooking raw material, should be in closing condition in the time that rubbish from cooking is fermented.
First row gas port 11 is for discharging the gas of the first reaction tank 1 interior generation, because the gas producing mostly is biogas, therefore, in actual application, can derive the gas that first row gas port 11 gives off by airway, and collect by utility appliance (as gas-holder).
The first reaction tank 1 bottom also comprises reactant vent valves 16, and reactant vent valves 16 is opened at the first Preset Time, the solid-liquid reaction thing in discharge the first reaction tank 1.Wherein, the first Preset Time refers to the time after the interior rubbish from cooking of the first reaction tank 1 is reacted to a certain degree, can set according to rubbish kind and season in the first reaction tank 1, also can rule of thumb be come to determine by user.For example, in the winter time time, the time of setting when the first Preset Time of setting should be longer than summer; The first Preset Time of setting while use first should be longer than the time of setting while backward use.
The first reaction tank 1 sidewall has into fluid through-hole 13.Utilize fluid through-hole 13 to inject as liquid such as water, catalytic liquid or reaction solutions in the first reaction tank 1, with the chemical reaction of catalysis the first reaction tank 1 interior rubbish from cooking, improve fermentation efficiency.In specific implementation process, enter fluid through-hole 13 and should preferably open the part by top at the first reaction tank 1 sidewall, in other embodiments, also can open the top at the first reaction tank 1.
The second reaction tank 2 is connected in the first reaction tank 1 below, and the second reaction tank 2 tops have the reactant entrance 26 matching with reactant vent valves 16, for the solid-liquid reaction thing discharging to interior input the first reaction tank 1 of the second reaction tank 2.After the reaction/fermentation of the rubbish from cooking in the first reaction tank 1 through the first Preset Time, reactant vent valves 16 is opened, solid-liquid reaction thing in the first reaction tank 1 is disposed to the second reaction tank 2 from reactant entrance 26, in the second reaction tank 2, carry out secondary reaction/fermentation, in addition, the gas that the interior reaction of the second reaction tank 2 produces also can import in the first reaction tank 1 by the reactant vent valves 16 of opening, and has realized the interior gas purging of the second reaction tank 2.
The second reaction tank 2 bottoms are provided with slag-drip opening 22, for open the reaction slag in discharge the second reaction tank 2 at the 3rd Preset Time.Wherein, the 3rd Preset Time refers to the time after the interior reactant reaction of the second reaction tank 2 to a certain extent, can think that the 3rd Preset Time is the time that the interior reactant of the second reaction tank 2 has completed fermenting process, similarly, the 3rd Preset Time also can rule of thumb be come to determine by user.In the time that the interior reactant of the second reaction tank 2 completes fermentation, need to give off reaction slag wherein, therefore, need to slag-drip opening 22 be set in the second reaction tank 2 bottoms.
The second reaction tank 2 sidewalls have out fluid through-hole 23, go out fluid through-hole 23 and be preferably opened in the position, middle and lower part of the second reaction tank 2.
The end that pumps of water pump 3 is connected to into fluid through-hole 13, pumps into end and is connected to out fluid through-hole 23, and water pump 3 is for extracting predetermined amount reaction solution and deliver to into fluid through-hole 13 from going out fluid through-hole 23 at the second Preset Time.Wherein, the second Preset Time refers to that the first reaction tank 1 is giving off after solid-liquid reaction thing in the interior reaction solution deficiency of the first reaction tank 1.With respect to water, from the second reaction tank 2, abstraction reaction liquid imports the first reaction tank 1, more effectively reaction/the fermentation of catalysis the first reaction tank 1 interior rubbish from cooking, simultaneously, the reaction solution of the first reaction tank 1 is provided by the second reaction tank 2, do not need extraly from extraneous injected water, thereby saved water resources.Wherein, the amount of abstraction reaction liquid can be determined according to user's experience, also can determine according to first volume of reaction tank 1 and the amount of rubbish from cooking thereof, and common reaction solution should be can the interior rubbish from cooking of submergence the first reaction tank 1 being as the criterion.
Further, at water pump 3 with go out between fluid through-hole 23 to comprise filtration unit 6, now, filtration unit 6 should be connected to the second end of water pump 3 and go out between fluid through-hole 23.Water pump 3 when abstraction reaction liquid, may contain other solid from the second reaction tank 2, the solid filtering in abstraction reaction liquid process can be gone out, thereby prevent the clogging water pump 3 of solid by the filtration unit 6 increasing.
In the present embodiment, adopt water pump abstraction reaction liquid from the second reaction tank to inject the first reaction tank, can keep the first reaction tank high-efficiency continuous gasogenic, improve the efficiency of rubbish from cooking reaction/fermentation in the first reaction tank, and saved water resources.In addition, the second reaction tank can utilize the reactant of the first reaction tank discharge to continue fermentation gas, thereby makes rubbish from cooking obtain reaction/fermentation greatly, has improved the utilization ratio of rubbish from cooking.
Embodiment bis-:
Please refer to Fig. 2, the present embodiment and embodiment mono-difference be, in the present embodiment, the second reaction tank 2 top sidewalls are also provided with second row gas port 21, the gas producing for discharging the interior reactant of the second reaction tank 2.Same, because the gas of the second reaction tank 2 interior generations mostly is biogas, therefore, in actual application, can derive the gas that second row gas port 21 gives off by airway, and collect by utility appliance (as gas-holder).
For the reactants such as the first reaction tank 1 interior rubbish from cooking are mixed, and take the biogas bubble being mixed in reactant out of, can also aerating apparatus 15 be set in the bottom of the first reaction tank 1.In a kind of specific embodiment, for saving resource, the source of the gas of aerating apparatus 15 can be provided by the second reaction tank 2, be specially, the inlet mouth of aerating apparatus 15 is communicated with second row gas port 21, in the time that the interior reactant of the second reaction tank 2 produces the gases such as biogas, along with the increase of air pressure, these gases just can enter in the first reaction tank 1 via the inlet mouth of second row gas port 21 and aerating apparatus 15, realize aeration process, utilize biogas that second row gas port 21 produces to provide source of the gas for aerating apparatus 15, avoid additionally increasing the equipment such as air compressor machine or gas blower, can save energy, in addition, source of the gas by biogas as aerating apparatus 15, also can improve the biogas purity in the first reaction tank 1.
In order to realize the controllability of aerating apparatus 15 aerations, between the inlet mouth of aerating apparatus 15 and second row gas port 21, can also be connected with aeration valve 4.In a kind of specific embodiment, for the ease of collecting the gases such as the biogas that the interior reactant of the second reaction tank 2 produces, the inlet mouth of aerating apparatus 15 and second row gas port 21 can adopt the form of threeway to be communicated with, and are specially: the inlet mouth of threeway is connected in second row gas port 21; The inlet mouth of the first air outlet, aeration valve 4 and the aerating apparatus 15 of threeway is communicated with successively; The second air outlet of threeway is connected with second row air valve 5.In specific implementation process, when needs are during to aerating apparatus 15 injecting gas, should open aeration valve 4 and close second row air valve 5; When need to collect in the second reaction tank 2 gas time, should close aeration valve 4 and open second row air valve 5, now, only need to access accumulator unit at second row air valve 5 and can collect the gas in the second reaction tank 2.
In order to help better those of ordinary skill in the art to understand present techniques scheme, with a kind of concrete application example, the present embodiment is further elaborated below.
Suppose that tank for sewage gas is designed to high 1.4m, the cylindrical container of radius 1.1m, volume is 3m
3.The first reaction tank 1 is positioned at the top of tank for sewage gas, and volume is 1m
3, suppose that in its cavity, total reaction liquid amasss as 0.8m
3; The second reaction tank 2 is positioned at the bottom of tank for sewage gas, and volume is 2m
3, suppose that in its cavity, total reaction liquid amasss as 1m
3.Rule of thumb, the interior rubbish from cooking of the first reaction tank 1 produced biogas time to peak at second day, therefore suppose that the interior rubbish from cooking reaction/fermentation period of the first reaction tank 1 T1 is 2 days, accordingly, the first Preset Time is also 2 days, and reaction/fermentation period T2 of the reactant in the second reaction tank 2 is 10 days, corresponding, the 3rd Preset Time is also 10 days, and W-response/fermentation period T of tank for sewage gas should be 10 days so.
Best rubbish from cooking treatment capacity according to every cubic metre of tank for sewage gas is 30 kilograms, and the volume of the first reaction tank 1 is 1m
3, therefore, to 30 kilograms of rubbishes from cooking of the disposable input of the first reaction tank 1, (volume is about 0.02m
3).After the first Preset Time, the reactant in the second reaction tank 2 can increase 0.02m
3; A reaction/fermentation period (10 days) at tank for sewage gas is inner, and the first reaction tank 1 can 5 rubbishes from cooking of circular treatment, and the reactant in the second reaction tank 2 increases 0.1m altogether
3; After 10 days, can open slag-drip opening 22 and give off the interior 0.5m of the second reaction tank 2
3reaction mixture and filter, wherein react slag and can make corresponding post-processed, as fertilising etc., and reaction solution can drop into the first reaction tank 1 again, and the first reaction tank 1 total reaction liquid is amassed as 0.8m
3, the reaction solution volume of the second reaction tank 2 is 1m
3.
Embodiment tri-:
The present embodiment discloses a kind of kitchen waste processing equipment, please refer to Fig. 3, and this equipment comprises gas-holder 8 and the disclosed tank for sewage gas of above-described embodiment.Wherein, gas-holder 8 is communicated with tank for sewage gas, the gas that gas-holder 8 gives off for collecting tank for sewage gas.
It should be noted that, in the time that tank for sewage gas only has a venting port, such as the described first row gas port 11 of embodiment mono-, 8 needs of gas-holder are realized and being communicated with by first row air valve 17 with first row gas port 11, in the time of the gas of collecting in tank for sewage gas, as long as open first row air valve 17.
In the time that tank for sewage gas has two venting ports, such as the described first row gas port 11 of embodiment bis-and second row gas port 21, gas-holder 8 needs to be communicated with two venting ports respectively.In a kind of specific embodiment, gas-holder 8 is realized and being communicated with by first row air valve 17 with first row gas port 11; Gas-holder 8 is realized and being communicated with by second row air valve 5 with second row gas port 21.In the time collecting the gas producing in reaction tank separately, only need to open corresponding valve, as, while collecting the gas in the first reaction tank 1, only need to open first row air valve 17; In the time of the gas of collecting in the second reaction tank 2, need to open second row air valve 5, certainly, now also should close aeration valve 4.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that the application's concrete enforcement is confined to these explanations.For the application person of an ordinary skill in the technical field, not departing under the prerequisite of the application's design, can also make some simple deduction or replace.
Claims (8)
1. a tank for sewage gas, comprises the first reaction tank (1) and the second reaction tank (2), characterized by further comprising water pump (3);
Described the first reaction tank (1) top is provided with for the feeding mouth (12) to the interior throwing raw materials of the first reaction tank (1) with for discharging the first row gas port (11) of the gas producing in the first reaction tank (1); Described the first reaction tank (1) bottom also comprises the reactant vent valves (16) for discharging the solid-liquid reaction thing in the first reaction tank (1); Described the first reaction tank (1) sidewall has into fluid through-hole (13);
Described the second reaction tank (2) is connected in described the first reaction tank (1) below, and described the second reaction tank (2) top has the reactant entrance (26) matching with reactant vent valves (16); Described the second reaction tank (2) bottom is provided with the slag-drip opening (22) for opening the reaction slag in discharge the second reaction tank (2); Described the second reaction tank (2) sidewall has out fluid through-hole (23);
The end that pumps of described water pump (3) is connected to into fluid through-hole (13), pumps into end and is connected to out fluid through-hole (23).
2. tank for sewage gas as claimed in claim 1, is characterized in that, described the second reaction tank (2) top sidewall is provided with the second row gas port (21) for discharging the gas producing in the second reaction tank (2).
3. tank for sewage gas as claimed in claim 2, is characterized in that, the bottom of described the first reaction tank (1) is provided with aerating apparatus (15).
4. tank for sewage gas as claimed in claim 3, is characterized in that, the inlet mouth of described aerating apparatus (15) is communicated with second row gas port (21).
5. tank for sewage gas as claimed in claim 4, is characterized in that, also comprises aeration valve (4);
Described aeration valve (4) is connected between the inlet mouth and second row gas port (21) of aerating apparatus (15).
6. tank for sewage gas as claimed in claim 5, is characterized in that, between described aeration valve (4), aerating apparatus (15) and second row gas port (21), connect by threeway, the inlet mouth of threeway is connected in described second row gas port (21); The inlet mouth of the first air outlet, aeration valve (4) and the aerating apparatus (15) of threeway is communicated with successively; The second air outlet of threeway is connected with second row air valve (5).
7. the tank for sewage gas as described in claim 1-6 any one, is characterized in that, also comprises filtration unit (6); Described filtration unit (6) be connected to described water pump (3) pump into end and described in go out between fluid through-hole (23).
8. a kitchen waste processing equipment, comprises gas-holder (8), it is characterized in that, also comprises as the tank for sewage gas as described in arbitrary in claim 1-7;
Described gas-holder (8) is communicated with described tank for sewage gas; The gas that described gas-holder (8) gives off for collecting tank for sewage gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096396.XU CN203820779U (en) | 2014-03-04 | 2014-03-04 | Kitchen waste treatment equipment and biogas tank thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096396.XU CN203820779U (en) | 2014-03-04 | 2014-03-04 | Kitchen waste treatment equipment and biogas tank thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203820779U true CN203820779U (en) | 2014-09-10 |
Family
ID=51476299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096396.XU Expired - Lifetime CN203820779U (en) | 2014-03-04 | 2014-03-04 | Kitchen waste treatment equipment and biogas tank thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203820779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353926A (en) * | 2021-12-09 | 2022-04-15 | 中铁上海工程局集团市政环保工程有限公司 | Thing networking weighing system of kitchen garbage biological treatment equipment |
-
2014
- 2014-03-04 CN CN201420096396.XU patent/CN203820779U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353926A (en) * | 2021-12-09 | 2022-04-15 | 中铁上海工程局集团市政环保工程有限公司 | Thing networking weighing system of kitchen garbage biological treatment equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518117, Shenzhen, Longgang Ping Ping Street, Gaoqiao community, Ping Road, No., building 13, floor 2 Patentee after: SHENZHEN LEOKING ENVIRONMENTAL PROTECTION CO.,LTD. Address before: Longgang District of Shenzhen City, Guangdong province 518036 Gaoqiao Ping Industrial Zone langkun Science Park Patentee before: LEO KING ENVIRO CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518117, Shenzhen, Longgang Ping Ping Street, Gaoqiao community, Ping Road, No., building 13, floor 2 Patentee after: SHENZHEN LEO KING ENVIRO. GROUP CO.,LTD. Address before: 518117, Shenzhen, Longgang Ping Ping Street, Gaoqiao community, Ping Road, No., building 13, floor 2 Patentee before: SHENZHEN LEOKING ENVIRONMENTAL PROTECTION CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |