CN113249192A - Device and method for producing hydrogen by gasifying biomass - Google Patents
Device and method for producing hydrogen by gasifying biomass Download PDFInfo
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- CN113249192A CN113249192A CN202110607917.8A CN202110607917A CN113249192A CN 113249192 A CN113249192 A CN 113249192A CN 202110607917 A CN202110607917 A CN 202110607917A CN 113249192 A CN113249192 A CN 113249192A
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 40
- 239000001257 hydrogen Substances 0.000 title claims abstract description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000002028 Biomass Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000000855 fermentation Methods 0.000 claims abstract description 80
- 230000004151 fermentation Effects 0.000 claims abstract description 80
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims description 27
- 239000002994 raw material Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 11
- 241000894006 Bacteria Species 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000002309 gasification Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 239000001632 sodium acetate Substances 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 16
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 241000589220 Acetobacter Species 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229930091371 Fructose Natural products 0.000 description 1
- 239000005715 Fructose Substances 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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Abstract
The invention belongs to the technical field of biological hydrogen production, and discloses a device for producing hydrogen by gasifying biomass, which comprises a fermentation tank, an acid-base detector arranged on the inner cavity wall of the fermentation tank, a liquid collecting barrel arranged below the fermentation tank, a heating barrel and a water suction pump arranged at the top of the fermentation tank, a heater arranged at the bottom of the inner cavity of the heating barrel, a thermometer arranged on the inner wall of the heater, and an exhaust pipe communicated with the inner cavity of the fermentation tank. According to the invention, the sodium carbonate solution in the heating barrel is heated by the heater at a constant temperature and is conveyed to the hot flow pipe through the pipeline, the hot flow pipe is submerged in the mixed material in the fermentation tank, and the hot flow pipe is distributed in the fermentation tank by as many as twenty, so that the mixed material of the mixed zymophyte and the biomass in the fermentation tank can be uniformly heated, the environmental temperature of the mixed material in the fermentation tank is increased, the temperature is maintained, the purpose of temperature regulation is achieved, the most suitable growth temperature range is provided for the unfermented zymophyte, and the fermentation rate is favorably increased.
Description
Technical Field
The invention belongs to the technical field of biological hydrogen production, and particularly relates to a device and a method for producing hydrogen by biomass gasification.
Background
With the development of the times, people have more and more perfect environmental protection consciousness and protection systems, people have stronger and stronger demands on environment-friendly clean energy, and hydrogen energy is one of the main choices of the environment-friendly clean energy, because the hydrogen energy is abundant in reserve on the earth and has great progress on the preparation technology of the hydrogen energy.
The existing hydrogen production means mainly comprises a physical means of hydrogen production by water electrolysis, a chemical means of hydrogen production by a thermochemical method and a biological hydrogen production method of hydrogen production by biological fermentation, wherein the former two ways consume huge energy for hydrogen production, but the biological hydrogen production is special, the fermentation bacteria can decompose saccharide and generate hydrogen for some substances containing sugar, such as food residues like kitchen garbage or other substances containing cellulose and fructose, and can decompose substances like garbage in the fermentation process, reduce environmental pollution and also can prepare hydrogen, the specific operation is that the fermentation bacteria and biomass are mixed and put into a fermentation tank, the fermentation bacteria can only decompose organisms, and during anaerobic decomposition, the fermentation bacteria can generate main products such as acetic acid, so the PH value in the fermentation tank is reduced, and the growth environment of the fermentation bacteria is influenced, the invention provides a novel biological hydrogen production device which can adjust the environment in a fermentation tank in real time, such as pH value, temperature and the like, provide the optimal fermentation environment for zymophyte and improve the decomposition speed of the zymophyte.
Disclosure of Invention
The invention aims to provide a device and a method for producing hydrogen by gasifying biomass, which aim to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a device and a method for producing hydrogen by gasifying biomass comprise a fermentation tank, an acid-base detector arranged on the inner wall of the fermentation tank, a liquid collecting barrel arranged below the fermentation tank, a heating barrel and a water suction pump arranged at the top of the fermentation tank, a heater arranged at the bottom of the inner cavity of the heating barrel, a thermometer arranged on the inner wall of the heater and an exhaust pipe communicated with the inner cavity of the fermentation tank, wherein solution contained in the liquid collecting barrel can be pumped into the heating barrel through the water suction pump, four communicating pipes are fixedly arranged at the two ends of the inner wall of the fermentation tank, the communicating pipes positioned at the two ends of the fermentation tank correspond to each other in pairs and are communicated with five hot flow pipes, six slow release valves are arranged on each hot flow pipe, the communicating pipe positioned at the right end of the fermentation tank is communicated with the inner cavity of the heating barrel through the communicating pipe, and an intermittent stop valve is fixedly arranged at the outer end of the communicating pipe positioned at the left end of the fermentation tank, the left end outside the fermentation vat is also provided with a chain wheel transmission mechanism, the chain wheel transmission mechanism is in transmission connection with a water retaining cover inside the intermittent stop valve, and the intermittent stop valve is positioned right above the inner cavity of the liquid collecting barrel.
Preferably, the slow release valve includes the shell body that has seted up first water conservancy diversion hole on it, the inner chamber wall of shell body still is equipped with spacing ring and spacing, the spacing ring below of shell body is equipped with interior casing, interior casing surface seted up the spout and correspond the spout of activity joint with the spacing ring, the top fixed mounting of shell body has the top cap, install the spring between top cap and the interior casing, the bottom of top cap is equipped with the guide arm that cup joints with interior casing activity, the shell body is installed on the opening on heat flow tube surface, and the effect of slow release valve is exactly that cooperation intermittent type stop valve operates, and when the intermittent type stop valve was ended, the slow release valve can switch on, and when the intermittent type stop valve switched on, the slow release valve can end.
Preferably, the first diversion hole and the chute are respectively provided with an upper layer, a middle layer and a lower layer on the outer shell and the inner shell, the first diversion hole and the chute are aligned all the time in the vertical direction, when the spring is not compressed by the inner shell, the upper layer, the middle layer and the lower layer of the first diversion hole are respectively positioned below the upper layer, the middle layer and the lower layer of the chute and are in a staggered state, namely, in a natural state, the first diversion hole and the chute cannot be overlapped.
Preferably, after the inner shell moves upwards and is in contact with the limiting ring to be limited, the upper layer, the middle layer and the lower layer of the first flow guide hole are completely overlapped with the upper layer, the middle layer and the lower layer of the sliding groove, when the hydraulic pressure in the hot flow pipe is increased, the upper inner shell can be pushed, the inner shell overcomes the elastic force of the spring to move upwards and is in contact with the limiting ring, when the first flow guide hole is overlapped with the sliding groove, the inner environment and the outer environment of the hot flow pipe are communicated, and the solution in the hot flow pipe can flow into the external material through the slow release valve.
Preferably, the joint has restricted the axial motion of interior casing between spout and the spacing, the guide arm has restricted the radial motion of interior casing with cup jointing of interior casing, and restriction interior casing axial motion is for convenience first water conservancy diversion hole and spout both can not be because axial motion and vertical unalignment, cause unable coincidence.
Preferably, the intermittent stop valve further comprises a blocking cover and a fixed cover, four water outlets are formed in the surface of the blocking cover, four stop blocks are mounted on the inner side of the blocking cover and the inner side of the water blocking cover through bearings of the water blocking cover, the stop blocks are in contact with the surface of the blocking cover, the blocking cover is fixedly mounted with the fixed cover, a water outlet is formed in the lower side of the fixed cover, the blocking cover is fixedly mounted on the communicating pipe, and the intermittent stop valve is used for switching between a conduction state and a stop state of the whole pipeline system.
Preferably, the fixed cover is in a hollow cover shape, a cylindrical inner cavity is formed between the fixed cover and the separation cover after the fixed cover is fixedly connected with the separation cover, the cylindrical inner cavity is communicated with the inner cavity of the communicating pipe through a water outlet, the water outlet can receive solution from the communicating pipe, the solution flows through the hot flow pipe and the communicating pipe, enters the cylindrical inner cavities of the fixed cover and the separation cover after passing through the water outlet, and then flows into the liquid collecting barrel along the water outlet.
Preferably, the four stopping blocks can respectively form two states of synchronous stopping and synchronous conducting for the four water outlets along with the rotation of the water retaining cover, the stopping state and the conducting state of the water outlets in the four intermittent stop valves are synchronous, when the water outlets are stopped, the communicating pipe and the hot flow pipe are in a non-flowing state, and the stopping state and the conducting state occur suddenly, so that a water hammer phenomenon can be caused by a solution at one moment, the whole hot flow pipe is subjected to instantaneous vibration, the vibration period of the hot flow pipe is relatively prolonged because the hot flow pipe is a flexible pipe, and the damage caused by vibration of the hot flow pipe is small because the hot flow pipe is not completely tightened during installation.
Preferably, after the hydrogen production raw material and the anaerobic zymocyte are fully mixed after being smashed, the zymocyte is acetobacter, the acetobacter is put into a fermentation tank through a feed hopper, the mixture of the raw material and the zymocyte submerges a hot flow pipe and a slow release valve inside the fermentation tank, a proper amount of diluted sodium carbonate solution is put into a liquid collecting barrel, and then the hydrogen production device is started after the feed hopper is sealed and closed;
the controller of the hydrogen production device starts a water suction pump to continuously convey the sodium carbonate solution in the liquid collecting barrel to the heating barrel, a heater in the heating barrel heats the sodium carbonate solution to 40 ℃ and keeps the temperature constant, a water outlet is kept to be communicated, then the sodium carbonate solution in the heating barrel flows through the communicating pipe and the hot flow pipe and is finally discharged into the liquid collecting barrel through the water outlet, and then the sodium carbonate solution flows into the heating barrel through the water suction pump in a circulating manner, the sodium carbonate solution flowing through the hot flow pipe in the process can heat the mixture of the raw material and the zymophyte outside to 35 ℃ to 40 ℃ through the hot flow pipe, the zymophyte is in the range, and the fermentation rate and the fermentation efficiency are highest;
when the pH value of the mixture of the raw materials and the zymophyte in the fermentation tank is detected to be lower than 5.5 by the acid-base detector, the controller starts an external motor of the chain wheel transmission mechanism, so that the chain wheel transmission mechanism controls the water retaining covers in the four intermittent stop valves to synchronously rotate, and then the intermittent stop valves can be switched between a conducting state and a stopping state, when the intermittent stop valve is stopped, the sodium carbonate solution in the hot flow pipe is released into the mixture of the raw materials and the zymophyte through the slow release valve, the sodium carbonate and acetic acid generated by the zymophyte generate neutralization reaction to form sodium acetate and water, so that the PH value of the mixture of the raw materials and the zymophyte is increased, when the PH value is detected to be increased to 6.0 by the acid-base detector, the controller stops the rotation of the chain wheel transmission mechanism and keeps the conduction state of the intermittent stop valve, the pH of the mixture of the raw materials and the zymophyte is maintained to be stable at about 6.0 by the circulation and the fermentation lasts for ten hours.
The invention has the following beneficial effects:
1. according to the invention, the sodium carbonate solution in the heating barrel is heated by the heater at a constant temperature and is conveyed to the hot flow pipe through the pipeline, the hot flow pipe is submerged in the mixed material in the fermentation tank, and the hot flow pipe is distributed in the fermentation tank by as many as twenty, so that the mixed material of the mixed zymophyte and the biomass in the fermentation tank can be uniformly heated, the environmental temperature of the mixed material in the fermentation tank is increased, the temperature is maintained, the purpose of temperature regulation is achieved, the most suitable growth temperature range is provided for the unfermented zymophyte, and the fermentation rate is favorably increased.
2. According to the invention, the pH value of a mixed material of zymophyte and biomass material in a fermentation tank is detected in real time by an acid-base detector, when the pH value is lower, the controller starts the chain wheel transmission mechanism, so that the water blocking cover in the intermittent stop valve can be driven to rotate, the stop block can perform intermittent stop on the water outlet, the water pressure in the hot flow pipe can be increased when the water pressure is stopped each time, the slow release valve is switched on, the solution in the hot flow pipe can flow into the external mixed material through the slow release valve when the water pressure is stopped each time, and the sodium carbonate solution can perform a neutralization reaction with acetic acid generated by the zymophyte, so that the pH value is increased to a value which is most suitable for the growth of the zymophyte, and the effect of real-time regulation and control is achieved.
3. According to the invention, after the water outlet is suddenly stopped by the stopping block, the water hammer phenomenon caused by the hot flow pipe is avoided, the hot flow pipe belongs to the flexible pipe and is easy to vibrate under the influence of the water hammer phenomenon, and the hot flow pipe is uniformly distributed in the fermentation tank and can stir the materials in a large range when vibrating, so that the sodium carbonate solution discharged from the slow release valve can be mixed with the materials more quickly and uniformly, and the hot flow pipe is immersed in the materials, so that the coating effect of the materials can buffer the water hammer phenomenon, the vibration amplitude of the hot flow pipe is controlled, and the hot flow pipe is protected from being damaged.
Drawings
FIG. 1 is a view showing the internal structure of a frontal fermentation tank according to the present invention;
FIG. 2 is a schematic view of the sprocket and the liquid collecting barrel of the present invention;
FIG. 3 is a schematic view of a heat flow tube configuration of the present invention;
FIG. 4 is a schematic view of a slow release valve according to the present invention;
FIG. 5 is a schematic structural diagram of the outer casing of the present invention;
FIG. 6 is a sectional view showing the construction of a slow release valve and a hot flow pipe according to the present invention;
FIG. 7 is an exploded view of the intermittent shutoff valve of the present invention;
FIG. 8 is a sectional view of the intermittent stop valve of the present invention;
fig. 9 is a schematic view of the internal structure of the heating barrel according to the present invention.
In the figure: 1. a fermentation tank; 2. a liquid collecting barrel; 3. a heating barrel; 4. a heater; 5. a water pump; 6. a sprocket drive mechanism; 7. a communicating pipe; 8. a hot flow tube; 9. a slow release valve; 91. an outer housing; 9101. a first flow guide hole; 9102. a limiting ring; 9103. a limiting strip; 92. an inner housing; 9201. a chute; 93. a top cover; 94. a spring; 95. a guide bar; 10. an intermittent stop valve; 101. a barrier cover; 102. a water outlet; 103. a water retaining cover; 104. a stop block; 105. a fixed cover; 106. a water outlet; 11. an exhaust pipe; 12. a thermometer; 13. and (4) an acid-base detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, in the embodiment of the invention, a device and a method for producing hydrogen by gasifying biomass comprise a fermentation tank 1, an acid-base detector 13 arranged on the inner cavity wall of the fermentation tank 1, a liquid collecting tank 2 arranged below the fermentation tank 1, a heating tank 3 and a water suction pump 5 arranged at the top of the fermentation tank 1, a heater 4 arranged at the bottom of the inner cavity of the heating tank 3, a thermometer 12 arranged on the inner wall of the heater 4, and an exhaust pipe 11 communicated with the inner cavity of the fermentation tank 1, wherein a solution contained in the liquid collecting tank 2 can be pumped into the heating tank 3 through the water suction pump 5, four communicating pipes 7 are fixedly arranged at two ends of the inner cavity wall of the fermentation tank 1, five heat flow pipes 8 are correspondingly arranged at two ends of the fermentation tank 1, six slow release valves 9 are arranged on each heat flow pipe 8, and the 7 at the right end of the fermentation tank 1 is communicated with the inner cavity of the heating tank 3 through the communicating pipes, an intermittent stop valve 10 is fixedly mounted at the outer end of a communicating pipe 7 positioned at the left end of the fermentation tank 1, a chain wheel transmission mechanism 6 is further arranged at the left end of the outer part of the fermentation tank 1, the chain wheel transmission mechanism 6 is in transmission connection with a water retaining cover 103 inside the intermittent stop valve 10, and the intermittent stop valve 10 is positioned right above an inner cavity of the liquid collecting barrel 2.
Wherein, the slow release valve 9 includes the shell body 91 that has seted up first water conservancy diversion hole 9101 on it, the inner chamber wall of shell body 91 still is equipped with spacing ring 9102 and spacing strip 9103, the spacing ring 9102 below of shell body 91 is equipped with interior casing 92, interior casing 92 surface is seted up spout 9201 and is corresponded the spout 9201 of activity joint with spacing ring 9102, the top fixed mounting of shell body 91 has top cap 93, install spring 94 between top cap 93 and the interior casing 92, the bottom of top cap 93 is equipped with the guide arm 95 that cup joints with interior casing 92 activity, shell body 91 is installed on the opening on 8 surfaces of thermal current pipe, the effect of slow release valve 9 is exactly the operation of cooperation intermittent type stop valve 10, when intermittent type stop valve 10 ends, slow release valve 9 can switch on, when intermittent type stop valve 10 switches on, slow release valve 9 can end.
Wherein, first water conservancy diversion hole 9101 and spout 9201 respectively have seted up on outer casing 91 and interior casing 92, in, three-layer down, first water conservancy diversion hole 9101 and spout 9201 align all the time in vertical direction, spring 94 is when not receiving interior casing 92 compression, the upper and middle, lower three-layer of first water conservancy diversion hole 9101 is located respectively spout 9201's the upper and middle, lower three-layer below and is the dislocation state, that is under natural state, can not coincide between first water conservancy diversion hole 9101 and the spout 9201.
Wherein, interior casing 92 rebound receives spacing back with spacing ring 9102 contact, first water conservancy diversion hole 9101 last, in, down three-layer and spout 9201 last, in, down three-layer coincide completely, hydraulic pressure grow in the thermal current pipe 8, can push and crowd interior casing 92 in, make interior casing 92 overcome spring 94 elasticity and go upward, and contact with spacing ring 9102, after first water conservancy diversion hole 9101 and spout 9201 coincidence, be switched on between the inside and the outer environment of thermal current pipe 8, solution in the thermal current pipe 8 can flow to outside material in through slow-release valve 9.
Wherein, the joint has restricted interior casing 92's axial motion between spout 9201 and spacing strip 9103, and the radial motion of interior casing 92 has been restricted in the cup jointing of guide arm 95 and interior casing 92, and it is vertical unaligned for convenience in first water conservancy diversion hole 9101 and spout 9201 to restrict interior casing 92 axial motion, causes unable coincidence because of axial motion.
The intermittent stop valve 10 further comprises a blocking cover 101 and a fixed cover 105, four water outlets 102 are formed in the surface of the blocking cover 101, the water blocking cover 103 is mounted on the inner side of the blocking cover 101 and the water blocking cover 103 through bearings, four stop blocks 104 are mounted on the inner side of the blocking cover 101, the stop blocks 104 are in surface contact with the blocking cover 101, the blocking cover 101 and the fixed cover 105 are fixedly mounted, a water outlet 106 is formed in the lower side of the fixed cover 105, the blocking cover 101 is fixedly mounted on the communicating pipe 7, and the intermittent stop valve 10 is used for switching between a conduction state and a stop state of the whole pipeline system.
Wherein, fixed cover 105 is a hollow cover form, forms a cylinder inner chamber and this cylinder inner chamber through delivery port 102 and the inner chamber intercommunication of communicating pipe 7 between fixed cover 105 and separation cover 101 after fixed connection with separation cover 101, and delivery port 102 can accept the solution that comes from in communicating pipe 7, and solution flows through can enter into the cylinder inner chamber of fixed cover 105 and separation cover 101 behind hot flow tube 8 and communicating pipe 7 through delivery port 102, flows in the collecting tank 2 along outlet 106 afterwards.
Wherein, the four stop blocks 104 can respectively form two states of synchronous stop and synchronous conduction to the four water outlets 102 along with the rotation of the water retaining cover 103, the stop state and the conduction state of the water outlets 102 in the four intermittent stop valves 10 are synchronous, when the water outlets 102 are stopped, the communicating pipe 7 and the hot flow pipe 8 are in a non-circulation state, and the stop state occurs suddenly, so that the solution can cause a water hammer phenomenon in a moment, so that the hot flow pipe 8 is vibrated instantaneously, and the vibration period of the hot flow pipe 8 is relatively prolonged because the hot flow pipe 8 is a flexible pipe, and the hot flow pipe 8 is not tightened completely when being installed, so that the damage caused by the vibration is small, and the fermenting tank 1 is provided with twenty hot flow pipes 8 which are uniformly distributed at different positions, and the effect of stirring the materials in the fermenting tank 1 can be achieved when vibrating together.
Fully mixing the crushed hydrogen production raw material and anaerobic zymocyte, putting the zymocyte into a fermentation tank through a feed hopper, submerging a hot flow pipe and a slow release valve in the fermentation tank by the mixture of the raw material and the zymocyte, putting a proper amount of diluted sodium carbonate solution into a liquid collecting barrel, sealing and closing the feed hopper, and starting the hydrogen production device;
the controller of the hydrogen production device starts a water suction pump to continuously convey the sodium carbonate solution in the liquid collecting barrel to the heating barrel, a heater in the heating barrel heats the sodium carbonate solution to 40 ℃ and keeps the temperature constant, a water outlet is kept to be communicated, then the sodium carbonate solution in the heating barrel flows through the communicating pipe and the hot flow pipe and is finally discharged into the liquid collecting barrel through the water outlet, and then the sodium carbonate solution flows into the heating barrel through the water suction pump in a circulating manner, the sodium carbonate solution flowing through the hot flow pipe in the process can heat the mixture of the raw material and the zymophyte outside to 35 ℃ to 40 ℃ through the hot flow pipe, the zymophyte is in the range, and the fermentation rate and the fermentation efficiency are highest;
when the pH value of the mixture of the raw materials and the zymophyte in the fermentation tank is detected to be lower than 5.5 by the acid-base detector, the controller starts an external motor of the chain wheel transmission mechanism, so that the chain wheel transmission mechanism controls the water retaining covers in the four intermittent stop valves to synchronously rotate, and then the intermittent stop valves can be switched between a conducting state and a stopping state, when the intermittent stop valve is stopped, the sodium carbonate solution in the hot flow pipe is released into the mixture of the raw materials and the zymophyte through the slow release valve, the sodium carbonate and acetic acid generated by the zymophyte generate neutralization reaction to form sodium acetate and water, so that the PH value of the mixture of the raw materials and the zymophyte is increased, when the PH value is detected to be increased to 6.0 by the acid-base detector, the controller stops the rotation of the chain wheel transmission mechanism and keeps the conduction state of the intermittent stop valve, the pH of the mixture of the raw materials and the zymophyte is maintained to be stable at about 6.0 by the circulation and the fermentation lasts for ten hours.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a device of biomass gasification hydrogen manufacturing, includes fermentation vat (1), locate acid-base detection meter (13) of fermentation vat (1) inner chamber wall, locate collecting tank (2) of fermentation vat (1) below, locate heating vat (3) and suction pump (5) at fermentation vat (1) top, locate heater (4) of heating vat (3) inner chamber bottom and locate thermometer (12) of heater (4) inner wall, blast pipe (11) with fermentation vat (1) inner chamber intercommunication, in heating vat (3) is taken out in solution accessible suction pump (5) that holds in collecting tank (2), its characterized in that: the equal fixed mounting in both ends of fermentation vat (1) inner chamber wall has four communicating pipes (7), is located fermentation vat (1) both ends communicating pipe (7) two liang of correspondence and two liang of between intercommunication have five hot flow tube (8), every all install six slow release valve (9) on hot flow tube (8), be located communicating pipe (7) of fermentation vat (1) right-hand member are through the inner chamber intercommunication of communicating pipe with heating vat (3), are located the outer end fixed mounting of communicating pipe (7) of fermentation vat (1) left end has intermittent type stop valve (10), the outside left end of fermentation vat (1) still is equipped with sprocket feed mechanism (6) and is connected with the inside manger plate cover (103) transmission of intermittent type stop valve (10), intermittent type stop valve (10) are located collecting vat (2) inner chamber directly over.
2. The biomass gasification hydrogen production device according to claim 1, characterized in that: outer shell body (91) of first water conservancy diversion hole (9101) has been seted up including it to slow release valve (9), the inner chamber wall of outer shell body (91) still is equipped with spacing ring (9102) and spacing (9103), spacing ring (9102) below of outer shell body (91) is equipped with interior casing (92), spout (9201) and spout (9201) that correspond the activity joint with spacing ring (9102) have been seted up on interior casing (92) surface, the top fixed mounting of outer shell body (91) has top cap (93), install spring (94) between top cap (93) and interior casing (92), the bottom of top cap (93) is equipped with guide arm (95) that cup joints with interior casing (92) activity, install on the opening on hot-flow pipe (8) surface outer shell (91).
3. The biomass gasification hydrogen production device according to claim 2, characterized in that: first water conservancy diversion hole (9101) and spout (9201) respectively have seted up upper, middle and lower three-layer on outer casing (91) and interior casing (92), first water conservancy diversion hole (9101) and spout (9201) align all the time in vertical direction, spring (94) when not receiving interior casing (92) compression, the upper and middle and lower three-layer of first water conservancy diversion hole (9101) is located the upper and middle and lower three-layer below of spout (9201) respectively and is the dislocation state.
4. The device for producing hydrogen by gasifying biomass according to claim 3, characterized in that: interior casing (92) rebound and receive spacing back with spacing ring (9102) contact, the upper and middle and lower three-layer of first water conservancy diversion hole (9101) and the upper and middle and lower three-layer of spout (9201) coincide completely.
5. The biomass gasification hydrogen production device according to claim 2, characterized in that: the axial motion of interior casing (92) has been restricted to the joint between spout (9201) and spacing (9103), the radial motion of interior casing (92) has been restricted in cup jointing of guide arm (95) and interior casing (92).
6. The biomass gasification hydrogen production device according to claim 1, characterized in that: the intermittent stop valve (10) further comprises a blocking cover (101) and a fixed cover (105), four water outlets (102) are formed in the surface of the blocking cover (101), the water retaining cover (103) is mounted on the inner side of the blocking cover (101) and the inner side of the water retaining cover (103) through bearings, four stopping blocks (104) are mounted on the inner side of the blocking cover (101) and the inner side of the water retaining cover (103), the stopping blocks (104) are in surface contact with the blocking cover (101), the blocking cover (101) and the fixed cover (105) are fixedly mounted, a water outlet (106) is formed in the lower side of the fixed cover (105), and the blocking cover (101) is fixedly mounted on the communicating pipe (7).
7. The device for producing hydrogen by gasifying biomass according to claim 6, characterized in that: the fixed cover (105) is in a hollow cover shape, a cylindrical inner cavity is formed between the fixed cover (105) and the blocking cover (101) after the fixed cover (105) is fixedly connected with the blocking cover (101), and the cylindrical inner cavity is communicated with the inner cavity of the communicating pipe (7) through the water outlet (102).
8. The device for producing hydrogen by gasifying biomass according to claim 6, characterized in that: the four stopping blocks (104) can respectively form two states of synchronous stopping and synchronous conducting for the four water outlets (102) along with the rotation of the water retaining cover (103), and the stopping states and the conducting states of the water outlets (102) in the four intermittent stop valves (10) are synchronous.
9. The method for producing hydrogen by gasifying biomass according to claim 1, comprising the steps of:
the method comprises the following steps: fully mixing the hydrogen production raw material and anaerobic zymophyte after crushing, putting into a fermentation tank through a feed hopper, submerging a hot flow pipe and a slow release valve in the fermentation tank by the mixture of the raw material and the zymophyte, putting a proper amount of diluted sodium carbonate solution into a liquid collecting barrel, sealing and closing the feed hopper, and starting the hydrogen production device;
step two: the controller of the hydrogen production device starts a water suction pump to continuously convey the sodium carbonate solution in the liquid collecting barrel to a heating barrel, a heater in the heating barrel heats the sodium carbonate solution to 40 ℃ and keeps the temperature constant, a water outlet is kept to be communicated, then the sodium carbonate solution in the heating barrel flows through a communicating pipe and a hot flow pipe and is finally discharged into the liquid collecting barrel through a water outlet, and then flows into the heating barrel through the water suction pump in a circulating manner, and the sodium carbonate solution flowing through the hot flow pipe in the process can be heated to about 35 ℃ to 40 ℃ for the mixture of the external raw materials and the zymophyte through the hot flow pipe;
when the pH value of the mixture of the raw materials and the fermentation bacteria in the fermentation tank is detected to be lower than 5.5 by the acid-base detector, the controller starts an external motor of the chain wheel transmission mechanism, then the chain wheel transmission mechanism controls the water retaining covers in the four intermittent stop valves to synchronously rotate, then the intermittent stop valves are switched between a conduction state and a stop state, when the intermittent stop valves are stopped, sodium carbonate flowing liquid in the hot flow pipe is released into the mixture of the raw materials and the fermentation bacteria through the slow release valves, sodium carbonate and acetic acid generated by the fermentation bacteria are subjected to neutralization reaction to form sodium acetate and water, then the pH value of the mixture of the raw materials and the fermentation bacteria is increased, when the pH value is detected to be increased to 6.0 by the acid-base detector, the controller stops the chain wheel transmission mechanism to rotate and keeps the conduction state of the intermittent stop valves, and therefore the pH value of the mixture of the raw materials and the fermentation bacteria is maintained to be stable at about 6.0 in a circulating and reciprocating mode.
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