CN218202483U - Solar constant-temperature sludge anaerobic digestion hydrogen filling station - Google Patents
Solar constant-temperature sludge anaerobic digestion hydrogen filling station Download PDFInfo
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- CN218202483U CN218202483U CN202222026909.7U CN202222026909U CN218202483U CN 218202483 U CN218202483 U CN 218202483U CN 202222026909 U CN202222026909 U CN 202222026909U CN 218202483 U CN218202483 U CN 218202483U
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- 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
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model provides a solar energy thermostatic type mud anaerobic digestion hydrogen gas filling station, including anaerobic digestion system, the solar energy constant temperature system who maintains anaerobic digestion system and be in constant temperature state, collect the mist that anaerobic digestion system produced and purify for gaseous purification and the collecting system and the hydrogen gas filling system of hydrogen, wherein, solar energy constant temperature system with anaerobic digestion system connects, anaerobic digestion system's gas outlet with gaseous purification and the air inlet of collecting system is connected, gaseous purification and the gas outlet of collecting system with the air inlet of hydrogen gas filling system is connected. The utility model has the advantages that: realizes sludge reduction, generates hydrogen with economic benefit, reduces the sludge treatment cost and increases additional economic value.
Description
Technical Field
The utility model relates to a sludge treatment device especially relates to a solar energy thermostatic type mud anaerobic digestion hydrogen gas station.
Background
With the rapid advance of urbanization in China, sewage plants adopting biological methods as mainstream technologies are rapidly increasing, and the yield of excess sludge, which is a byproduct of sewage treatment by biological methods, is rapidly increasing. At present, the treatment and disposal cost of sludge in municipal sewage plants accounts for about 60% of the operating cost of sewage plants. Therefore, the reduction of the amount of sludge and the reduction of the cost of sludge treatment and disposal are troublesome problems that sewage plants have to face.
Disclosure of Invention
In order to solve the problems in the prior art, the main object of the utility model is to provide an utilize solar energy constant temperature to realize mud decrement and produce the solar energy constant temperature formula mud anaerobic digestion hydrogen gas station device of hydrogen to alleviate the problem that sewage treatment process excess sludge handled and dealt with, reduce sewage treatment plant's running cost to a certain extent.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model relates to a realize like this, a solar energy thermostatic type mud anaerobic digestion hydrogen gas filling station, including the anaerobic digestion system, maintain the solar energy constant temperature system that the anaerobic digestion system is in the constant temperature state, collect the mist that the anaerobic digestion system produced and purify for gaseous purification and the collecting system and the hydrogen gas filling system of hydrogen, wherein, the solar energy constant temperature system with the anaerobic digestion system is connected, the gas outlet of anaerobic digestion system with gaseous purification and the air inlet of collecting system is connected, gaseous purification and the gas outlet of collecting system with the air inlet of hydrogen gas filling system is connected.
As a further improvement, the anaerobic digestion system comprises an anaerobic digestion tank, the upper part of the anaerobic digestion tank is provided with a gas storage chamber, the lower part of the anaerobic digestion tank is provided with an anaerobic digestion tank for carrying out constant temperature biochemical reaction on the concentrated residual sludge after pretreatment, and the anaerobic digestion tank is internally provided with a stirrer.
As a further improvement, the anaerobic digestion tank is connected with an inlet pipe, a discharging pipe and a dredging pipe, the discharge port of the dredging pipe is located at the bottom of the anaerobic digestion tank, the feed inlet of the inlet pipe is higher than the discharge port of the discharging pipe, the gas storage chamber is connected with an outlet pipe, and the gas outlet of the outlet pipe is located at the top of the gas storage chamber.
As a further improvement, the gas purification and collection system comprises a packing tower, a drying tower and a gas collection tank, the gas storage chamber is connected with the air inlet of the packing tower through an outlet pipe, the gas outlet of the packing tower is connected with the air inlet of the drying tower, the gas outlet of the drying tower is connected with the air inlet of the gas collection tank, and the gas outlet of the gas collection tank is connected with the air inlet of the hydrogen gas filling system.
As a further improvement of the present invention, the air inlet of the packed tower is located at the bottom, and the air outlet is located at the top.
As a further improvement, the utility model is connected with a mass flow meter between the gas storage chamber and the packed tower, be connected with a rotor flow meter between the packed tower and the drying tower.
As a further improvement, the gas purification and collection device further comprises an absorption liquid storage tank, and a liquid outlet at the bottom of the packed tower is connected with a liquid inlet of the absorption liquid storage tank.
As a further improvement of the utility model, a peristaltic pump is connected between the liquid inlet at the top of the packed tower and the liquid outlet of the absorption liquid storage tank.
As a further improvement of the utility model, the solar constant temperature system comprises a solar heat collector and a heat exchange net, the solar heat collector is connected with the heat exchange net, the heat exchange net is arranged at the bottom of the anaerobic digestion tank.
As a further improvement, the solar constant temperature system further comprises a circulating heat pump, a heat storage box and a temperature sensor, the solar heat collector is connected with the input end of the heat storage box, the output end of the heat storage box is connected with the heat exchange net through the circulating heat pump, and the temperature sensor is connected with the heat exchange net.
The utility model has the advantages that: by the scheme, sludge reduction is realized, hydrogen with economic benefits is generated, the sludge treatment cost is reduced, and additional economic value is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a solar constant temperature type sludge anaerobic digestion hydrogen gas station.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, a solar constant temperature type sludge anaerobic digestion hydrogen gas filling station, which aims to reduce a large amount of excess sludge, recover biomass energy in sludge, change waste into valuable, and improve economic benefits of sludge treatment and disposal in sewage plants, mainly comprises an anaerobic digestion system 2, a solar constant temperature system 1 maintaining the anaerobic digestion system 2 in a constant temperature state, a gas purification and collection system 3 collecting mixed gas generated by the anaerobic digestion system 2 and purifying the mixed gas into hydrogen gas, and a hydrogen gas filling system 4, wherein the solar constant temperature system 1 is connected with the anaerobic digestion system 2, an air outlet of the anaerobic digestion system 2 is connected with an air inlet of the gas purification and collection system 3, and an air outlet of the gas purification and collection system 3 is connected with an air inlet of the hydrogen gas filling system 4.
The anaerobic digestion system 2 is also known as a sludge anaerobic digestion system.
The anaerobic digestion system 2 comprises an anaerobic digestion tank 201, the upper part of the anaerobic digestion tank 201 is provided with an air storage chamber 21, the lower part of the anaerobic digestion tank is provided with an anaerobic digestion tank 22 for carrying out constant-temperature biochemical reaction on the pretreated concentrated residual sludge, and a stirrer 206 is arranged in the anaerobic digestion tank 22.
The concentrated residual sludge enters the anaerobic digestion tank 22 to be subjected to anaerobic fermentation, so that the effects of sludge reduction and gas production are achieved.
The gas purification and collection system 3 comprises a packed tower 302, a drying tower 305 and a gas collection tank 306, the gas storage chamber 21 is connected with a gas inlet of the packed tower 302 through a gas outlet pipe 203, a gas outlet of the packed tower 302 is connected with a gas inlet of the drying tower 305, a gas outlet of the drying tower 305 is connected with a gas inlet of the gas collection tank 306, and a gas outlet of the gas collection tank 306 is connected with a gas inlet of the hydrogen gas filling system 4.
The hydrogen gas filling system 4 is preferably the hydrogen gas filling station 401.
The inlet to the packed column 302 is at the bottom and the outlet at the top.
A mass flow meter 301 is connected between the air storage chamber 21 and the packed tower 302, and a rotor flow meter 304 is connected between the packed tower 302 and the drying tower 305.
The gas purification and collection unit 3 further comprises an absorption liquid storage tank 307, and a liquid outlet at the bottom of the packed tower 302 is connected with a liquid inlet of the absorption liquid storage tank 307.
A peristaltic pump 303 is connected between a liquid inlet at the top of the packed tower 302 and a liquid outlet of the absorption liquid storage tank 307, and the absorption liquid can be circularly conveyed to the packed tower 302 through the peristaltic pump 303.
The mixed gas is purified through a packed tower 302 and a drying tower 305 by metering estimation of the mixed gas, and is temporarily stored by a gas collection tank 306.
The solar constant-temperature system 1 comprises a solar heat collector 101 and a heat exchange network 105, wherein the solar heat collector 101 is connected with the heat exchange network 105, and the heat exchange network 105 is arranged at the bottom of the anaerobic digestion tank 22.
The solar constant temperature system further comprises a circulating heat pump 102, a heat storage tank 103 and a temperature sensor 104, wherein the solar collector 101 is connected with an input end of the heat storage tank 103, an output end of the heat storage tank 103 is connected with the heat exchange network 105 through the circulating heat pump 102 (specifically, the circulating heat pump 102 may be installed on a circulating pipeline and used for conveying energy of the heat storage tank 103 to the heat exchange network 105), and the temperature sensor 104 is connected with the heat exchange network 105.
The heat is collected by the solar heat collector 101, and heat exchange is carried out between the solar heat collector and the fermentation liquor by the heat exchange device, so that the temperature stability of the anaerobic digestion system 2 is maintained.
In the gas purification and collection system 3, all mixed gas generated in the anaerobic digestion process is metered by the mass flow meter 301 and then enters the bottom of the packed tower 302, the absorption liquid flows through the packed tower 302 from top to bottom, the mixed gas flows through the packed tower 302 from bottom to top, and CO in the process flows through the packed tower 302 from top to bottom 2 And the gas is absorbed by the absorption liquid. And then the gas passes through a drying tower and is dried by using soda lime, and then the gas enters a gas storage tank for storage. The relevant equation is:
the utility model provides a pair of solar energy thermostatic type mud anaerobic digestion hydrogen gas station, its theory of operation as follows:
starting all the devices, under the constant temperature action of the solar constant temperature system 1, feeding the pretreated concentrated residual sludge into the anaerobic digestion tank 22 for constant temperature biochemical reaction, allowing the mixed gas to flow into the gas purification and collection system 3 through the gas outlet pipe 203 to remove impurities and purify the gas into hydrogen, temporarily storing the gas in the gas collection tank 306, feeding the gas into the hydrogen gas filling system 4, and finally supplying the gas to a new energy automobile or other new energy modes for use by the hydrogen gas filling station 401.
The solar thermostatic system 1 senses the temperature in the anaerobic digestion system 2 through the temperature sensor 104, and transfers the heat stored in the heat storage tank 103 in the solar thermostatic system 1 to the anaerobic digestion system 2 through the circulation heat pump 102 when the temperature of the anaerobic digestion system 2 is lower than the set temperature. When the temperature in the anaerobic digestion system 2 is excessively high, the heat pump 102 stops transferring heat to the anaerobic digestion system 2, and transfers the resulting collected heat to the heat storage tank 103, thereby maintaining the temperature of the anaerobic digestion system 1 constant.
All mixed gas generated in the anaerobic digestion process is metered by a mass flow meter 301 and then enters the bottom of a packed tower 302, absorption liquid flows through the packed tower 302 from top to bottom, the mixed gas flows through the packed tower 302 from bottom to top, and CO in the process flows through the packed tower 302 from bottom to top 2 And the gas is absorbed by the absorption liquid. The gas is then dried by soda lime in the drying tower 305, stored in the gas storage tank 306, and supplied to the outside by the hydrogen gas station 401. The obtained mixed produced gas is calculated and the gas velocity is controlled through the mass flow meter 301, and relevant parameters of the absorption liquid are debugged and relevant parameters of the peristaltic pump are selected and set according to the obtained estimation result.
The utility model provides a pair of solar energy thermostatic type mud anaerobic digestion hydrogen gas filling station utilizes city excess sludge, carries out mud constant temperature anaerobic digestion fermentation, retrieves biomass energy (hydrogen) in the mud, realizes the target of mud minimizing, reaches the purpose of changing waste into valuables. The value generated by recycling the hydrogen reduces the operation cost of the sewage plant and improves the economic benefit of the sewage plant.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a solar energy thermostatic type mud anaerobic digestion hydrogen gas station which characterized in that: the system comprises an anaerobic digestion system, a solar constant temperature system for maintaining the anaerobic digestion system in a constant temperature state, a gas purification and collection system for collecting mixed gas generated by the anaerobic digestion system and purifying the mixed gas into hydrogen, and a hydrogen gas filling system, wherein the solar constant temperature system is connected with the anaerobic digestion system, a gas outlet of the anaerobic digestion system is connected with a gas inlet of the gas purification and collection system, and a gas outlet of the gas purification and collection system is connected with a gas inlet of the hydrogen gas filling system.
2. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 1, characterized in that: the anaerobic digestion system comprises an anaerobic digestion tank, the upper part of the anaerobic digestion tank is provided with a gas storage chamber, the lower part of the anaerobic digestion tank is provided with an anaerobic digestion tank for carrying out constant-temperature biochemical reaction on the pretreated concentrated residual sludge, and a stirrer is arranged in the anaerobic digestion tank.
3. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 2, characterized in that: anaerobic digestion tank is connected with inlet pipe, discharging pipe and desilting pipe, the discharge gate of desilting pipe is located anaerobic digestion tank's bottom, the feed inlet of inlet pipe is higher than the discharge gate of discharging pipe, the gas receiver is connected with the outlet duct, the gas outlet of outlet duct is located the top of gas receiver.
4. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 3, characterized in that: the gas purification and collection system comprises a packed tower, a drying tower and a gas collection tank, the gas storage chamber is connected with a gas inlet of the packed tower through a gas outlet pipe, a gas outlet of the packed tower is connected with a gas inlet of the drying tower, a gas outlet of the drying tower is connected with a gas inlet of the gas collection tank, and a gas outlet of the gas collection tank is connected with a gas inlet of the hydrogen gas filling system.
5. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 4, characterized in that: the gas inlet of the packed tower is positioned at the bottom, and the gas outlet is positioned at the top.
6. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 4, characterized in that: and a mass flow meter is connected between the gas storage chamber and the packed tower, and a rotor flow meter is connected between the packed tower and the drying tower.
7. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 4, characterized in that: the gas purification and collection device further comprises an absorption liquid storage tank, and a liquid outlet at the bottom of the packed tower is connected with a liquid inlet of the absorption liquid storage tank.
8. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 7, characterized in that: a peristaltic pump is connected between a liquid inlet at the top of the packed tower and a liquid outlet of the absorption liquid storage tank.
9. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 2, characterized in that: the solar constant temperature system comprises a solar heat collector and a heat exchange network, the solar heat collector is connected with the heat exchange network, and the heat exchange network is arranged at the bottom of the anaerobic digestion tank.
10. The solar constant-temperature sludge anaerobic digestion hydrogen gas station according to claim 9, characterized in that: the solar constant temperature system further comprises a circulating heat pump, a heat storage box and a temperature sensor, the solar heat collector is connected with the input end of the heat storage box, the output end of the heat storage box is connected with the heat exchange network through the circulating heat pump, and the temperature sensor is connected with the heat exchange network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222026909.7U CN218202483U (en) | 2022-08-01 | 2022-08-01 | Solar constant-temperature sludge anaerobic digestion hydrogen filling station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222026909.7U CN218202483U (en) | 2022-08-01 | 2022-08-01 | Solar constant-temperature sludge anaerobic digestion hydrogen filling station |
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| Publication Number | Publication Date |
|---|---|
| CN218202483U true CN218202483U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222026909.7U Active CN218202483U (en) | 2022-08-01 | 2022-08-01 | Solar constant-temperature sludge anaerobic digestion hydrogen filling station |
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| CN (1) | CN218202483U (en) |
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- 2022-08-01 CN CN202222026909.7U patent/CN218202483U/en active Active
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