CN105734082B - Ampoule workshop waste heat utilization method and utilization system thereof - Google Patents
Ampoule workshop waste heat utilization method and utilization system thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- 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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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention belongs to the technical field of ampoule bottle processing, relates to waste heat utilization in an ampoule workshop, and particularly relates to a waste heat utilization method and a waste heat utilization system for the ampoule workshop. a. Collecting waste heat of an ampoule workshop; b. heating the water heat exchanger by utilizing waste heat to heat water in the water heat exchanger; c. and conveying the water heated by the water heat exchanger to an anaerobic tank of the methane tank for fermentation to prepare methane. Compared with the prior art, the method and the system for utilizing the waste heat in the ampoule workshop have the advantages that the method and the system for utilizing the waste heat in the ampoule workshop are used for extracting the waste heat in the ampoule workshop for methane fermentation, so that the preparation speed of methane is increased, meanwhile, the method and the system extract the waste heat in the ampoule workshop, the room temperature of the ampoule workshop is reduced, workers can work more comfortably, meanwhile, the use of an air conditioner and an exhaust fan is avoided, resources are saved, the production cost of a company is reduced, and meanwhile, the income of the company is increased.
Description
Technical Field
The invention belongs to the technical field of ampoule bottle processing, relates to waste heat utilization in an ampoule workshop, and particularly relates to a waste heat utilization method and a waste heat utilization system for the ampoule workshop.
Background
An ampoule is a sealed, high quality, thin glass vial commonly used for holding drugs for injection, as well as vaccines, serum, and the like. It is commonly used for liquid medicine for injection and also used for packaging oral liquid. The prior ampoule bottle is mainly produced in an ampoule workshop, the production line of the ampoule bottle mainly comprises a forming machine, a fusing machine, a connecting machine and a bottom cutting machine, wherein, the forming machine consists of seven parts of a supply pipe, a neck pressing mechanism, an overheating preheating mechanism, a frame, a drawing cam, a wire drawing mechanism and the like, and an air supply pipeline, the supply pipe is supplied with the overheating preheating mechanism at the uniform speed by the glass pipe with round openings at the two ends of the pipe supply mechanism, the neck is pressed by the neck pressing mechanism, the glass pipe is delivered to the wire drawing mechanism for wire drawing after being reheated by the wheel preheating mechanism, and finally the glass pipe is processed into a multi-branch duplex ampoule which is not fused, the fusing machine consists of a frame, a fusing mechanism, a bottle storage mechanism, a bottle equalizing mechanism, a conveying mechanism and the like and an air supply pipeline, the function is to accurately and equally fuse a plurality of duplex ampoules which are not fused after wire drawing and forming, the double ampoules after being melted are conveyed to two sides by the bottle-equalizing and conveying mechanism at an equal speed so as to meet the requirement of repeated cutting.
Because ampoule workshops need to burn a large amount of natural gas to process ampoule bottles in the using process, each ampoule production line burns 75m of natural gas per hour according to incomplete statistics3The left and right exhaust gas temperature is about 400 ℃, therefore, in order to enable workers to work better in a workshop, a large number of air conditioners and exhaust fans need to be additionally arranged, the problems of production cost increase and the like of enterprises are caused invisibly, and if natural gas cannot be completely combusted, a large amount of carbon monoxide can be generated to cause harm to human bodies, however, no better method for waste heat treatment of ampoule workshops exists in the market at present.
Disclosure of Invention
Aiming at the technical problems caused by the combustion waste heat of the ampoule workshop, the invention provides the ampoule workshop waste heat utilization method and the ampoule workshop waste heat utilization system which are reasonable in design, simple in structure, low in cost and capable of better utilizing the waste heat to generate certain economic benefits.
In order to achieve the purpose, the invention adopts the technical scheme that the method for utilizing the waste heat of the ampoule workshop comprises the following steps:
a. collecting waste heat of an ampoule workshop;
b. heating the water heat exchanger by utilizing waste heat to heat water in the water heat exchanger;
c. and conveying the water heated by the water heat exchanger to an anaerobic tank of the methane tank for fermentation to prepare methane.
d. And (3) desulfurizing and purifying the biogas prepared by fermentation, and conveying the biogas to an ampoule workshop to replace natural gas for use as fuel gas.
Preferably, in the step d, biogas is purified by a biological desulfurization method.
The invention also provides an ampoule workshop waste heat utilization system, which comprises a heat collection cover, a water heat exchanger, a hot water circulating pump, a methane anaerobic tank, a separator, a compressor and a desulfurization purification device which are arranged in sequence, wherein,
a heat collection cover: the waste heat collecting device is used for collecting waste heat of the ampoule workshop;
water heat exchanger: used for exchanging the waste heat to heat the water;
a hot water circulating pump: the water pump is used for conveying water in the water heat exchanger to the methane anaerobic tank;
a methane anaerobic tank: used for biogas fermentation to prepare biogas;
a separator: used for removing granular solid matters and water in the biogas;
a compressor: used for compressing the biogas;
desulfurization purification unit: used for removing hydrogen sulfide in the methane;
the heat collecting cover, the water heat exchanger, the hot water circulating pump, the methane anaerobic tank, the separator, the compressor and the desulfurization purification device are communicated through pipelines.
Preferably, the desulfurization purification device comprises a desulfurization tank connected with the compressor and a nutrient solution storage tank communicated with the bottom of the desulfurization tank, a circulating pump is further arranged between the nutrient solution storage tank and the desulfurization tank, and a circulating channel is formed among the desulfurization tank, the nutrient solution storage tank and the circulating pump.
Preferably, a packing layer is further arranged in the desulfurization tank, and the packing layer is made of polypropylene.
The invention also provides a heat collecting cover for the ampoule workshop waste heat utilization system, which comprises a groove-shaped cover body arranged in an inverted manner, wherein a waste heat collecting pipe is arranged in the cover body and fixed on the cover body, and a waste heat inlet is formed in the side wall of one end, far away from the cover body, of the waste heat collecting pipe.
Preferably, 4 waste heat collecting pipes are arranged in the cover body.
The invention also provides a water heat exchanger for the ampoule workshop waste heat utilization system, which comprises a heat transfer pipe, wherein pin pipes are uniformly arranged on the outer wall of the heat transfer pipe.
Preferably, the pin tube is made of stainless steel.
Compared with the prior art, the invention has the advantages and positive effects that,
1. the invention provides the method and the system for utilizing the waste heat of the ampoule workshop, the method and the system are utilized to extract the waste heat in the ampoule workshop for methane fermentation, so that the preparation speed of methane is increased, meanwhile, the method and the system extract the waste heat in the ampoule workshop, the room temperature of the ampoule workshop is reduced, workers can work more comfortably, meanwhile, the use of an air conditioner and an exhaust fan is avoided, resources are saved, the production cost of a company is reduced, and meanwhile, the income of the company is improved.
2. According to the invention, the biogas prepared by fermentation is desulfurized and purified and then is conveyed to the ampoule workshop again to replace natural gas for use, so that a cycle can be formed between the ampoule workshop and the biogas digester, the use of the natural gas can be reduced, and meanwhile, the biogas can be better utilized, and a greater industrial value is created.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an ampoule plant waste heat utilization system provided in embodiment 1;
FIG. 2 is a schematic view of the desulfurization purification apparatus provided in example 1;
FIG. 3 is a schematic structural view of the heat collecting cover provided in embodiment 1;
FIG. 4 is a partial sectional view of a heat collecting cover according to embodiment 1;
FIG. 5 is a schematic structural view of a water heat exchanger provided in example 1;
FIG. 6 is a schematic view showing another structure of the water heat exchanger provided in example 1;
in the above figures, 1, an ampoule workshop; 2. a heat collection cover; 21. a cover body; 22. a waste heat collecting pipe; 23. a waste heat inlet; 3. a water heat exchanger; 4. a hot water circulation pump; 5. anaerobic tanks for methane tanks; 6. a separator; 7. a compressor; 8. a desulfurization purification device; 81. a devulcanizer; 82. a nutrient solution storage tank; 83. a circulation pump; 84. a filler layer; 85. a shower pipe; 86. a methane inlet pipe; 87. a biogas outlet pipe; 9. a heat transfer tube; 91. a pin tube.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Embodiment 1, this embodiment is an ampoule workshop waste heat utilization system evolved on the basis of the ampoule workshop waste heat utilization method, the method comprises collecting waste heat of ampoule workshop, collecting waste heat generated by each device in ampoule workshop by heat collection, then the water is conveyed to a water heat exchanger through a heat preservation pipeline, the water heat exchanger heats the water in the water heat exchanger by utilizing the residual heat to heat the water in the water heat exchanger, then the heated water is conveyed to an anaerobic tank of the methane tank for fermentation, the preparation of the methane is accelerated, because the utilization of the methane is applied in China for decades, but the methane is used in household combustion and power generation, the quality requirement on the methane is not high, but in industrial application, because the methane contains a large amount of hydrogen sulfide, and hydrogen sulfide is acute and virulent, and can be deadly in a short time when a small amount of high-concentration hydrogen sulfide is inhaled. Low concentrations of hydrogen sulfide have an effect on the eye, respiratory system and central nervous system. Therefore, in industrial production, strict requirements on the biogas are required, so that the method provided by the embodiment is specially provided with desulfurization purification aiming at the biogas, and the biogas desulfurization can be generally divided into two categories of direct desulfurization and indirect desulfurization according to the nature of the biogas. The former is to remove hydrogen sulfide in methane directly, and can be divided into wet method, dry method and biological method. The wet method and the dry method belong to the traditional chemical methods, are the main means of the current biogas desulfurization, but have the problems of large pollution, high cost, low efficiency and the like; the biological desulfurization is to convert hydrogen sulfide in the biogas into elemental sulfur or sulfate by utilizing the metabolism of microorganisms, so that the environmental protection and low-cost desulfurization can be realized. Therefore, the biological desulfurization technology is preferred, and the biological desulfurization technology mainly comprises three processes of a biological scrubber, a biological filter and a biological trickling filter at present, in the embodiment, the biological trickling filter process is preferred, toxic substances in the biogas are removed through the biological desulfurization technology, and then the biogas can be used in industry, can be sent into an ampoule workshop to be used as fuel gas instead of partial natural gas, and can also be sent into other combustion tools to heat water for use of industrial water.
The embodiment is directed to the ampoule workshop waste heat utilization system pushed out on the basis of the method, as shown in fig. 1, the system comprises a heat collection cover 2, a water heat exchanger 3, a hot water circulating pump 4, a biogas anaerobic tank 5, a separator 6, a compressor 7 and a desulfurization purification device 8 which are sequentially arranged, wherein the heat collection cover 2 is mainly arranged above the ampoule workshop 1 and is used for collecting the waste heat of the ampoule workshop 1; the water heat exchanger 3 is mainly used for exchanging waste heat to heat water; and (4) a hot water circulating pump: for conveying the water in the water heat exchanger 3 to a biogas anaerobic tank 5; a biogas anaerobic tank 5: used for biogas fermentation to prepare biogas; the separator 6: used for removing granular solid matters and water in the biogas; the compressor 7: used for compressing the biogas; desulfurization purification unit: used for removing hydrogen sulfide in the methane; the heat collecting cover 2, the water heat exchanger 3, the hot water circulating pump 4, the methane anaerobic tank 5, the separator 6, the compressor 7 and the desulfurization purification device 8 are communicated through pipelines. In the embodiment, pipelines among the heat collection cover 2, the water heat exchanger 3, the hot water circulating pump 4 and the methane anaerobic tank 5 are combined by overhead laying and buried laying, firstly, antirust paint is coated on the surfaces of the pipelines twice, then, 60mm rock wool pipes are adopted for bundling and heat preservation, steel wires are used for bundling, an asphalt felt glass fiber cloth rain-proof layer is coated outside the pipelines, green finish paint is coated on the outermost layer of the pipelines to preserve heat, and meanwhile, the service life of the pipelines is prolonged.
Through the above arrangement, the heat collecting cover 2 conveys the collected waste heat to the water heat exchanger 3, certainly, the heat collecting cover 2 needs a fan to provide corresponding power in the process of collecting the waste heat and the conveying process, the waste heat is conveyed to the water heat exchanger 3 and then is in heat transfer with the water heat exchanger 3 to heat and heat the water in the water heat exchanger 3, the temperature of the water in the water heat exchanger 3 is a reasonable value considering that the water in the water heat exchanger 3 is in a uniform circulation state, through calculation and corresponding experiments, the applicant finds that the temperature of the water in the water heat exchanger 3 is about 50 ℃ as an optimal value, and the temperature can be heated to 70 ℃ by using the water heat exchanger 3 provided by the embodiment, so that the heat energy can be better provided for the methane anaerobic tank 5 to promote better fermentation, the key point of the invention of the embodiment is that the whole system, the methane system is the existing common methane preparation system, therefore, in this embodiment, a detailed description is not given to a biogas system, after biogas is prepared by biogas fermentation, the biogas is conveyed to the separator 6 through a pipeline, the main function of the separator 6 is to remove other granular solid matters and moisture doped in the biogas, the separator 6 adopted in this embodiment is a cyclone separator, the biogas after impurity removal by the separator 6 enters the compressor 7 for compression, the compressor 7 compresses the gas pressure of the biogas to 2.5 Mpa-8 Mpa, the purpose of compressing the biogas is to better perform desulfurization, the compressed biogas can be conveyed to the desulfurization purification device 8, the desulfurization purification device 8 can perform desulfurization by a PDS (mixture of cobalt sulfonate compounds of titanium and cobalt) method, and can also perform desulfurization by an iron trichloride absorption-electrochemical regeneration method, of course, iron chloride is directly added into digested sludge and reacts with H2S to form iron sulfide salt granules for desulfurization, in this embodiment, the desulfurization purification device 8 adopts a biological desulfurization method, specifically, a biological trickling filter process desulfurization method, so that the desulfurized biogas can be used, can be directly conveyed to pipelines of various devices in the ampoule workshop 1, and can also be conveyed to other devices to heat water, and then the hot water is used as other industrial devices, of course, a biogas pipe can be branched, one part of the biogas pipe is conveyed to the ampoule workshop 1, the other part of the biogas pipe is conveyed to the other devices to heat water, and the part of the biogas pipe can be conveyed to the water heat exchanger 3 to be used, so that the circulation formed by the system does not need to consume other resources, and the operation of the system can be completed.
Considering that biological desulfurization converts hydrogen sulfide in biogas into elemental sulfur or sulfate by utilizing the metabolic action of microorganisms, and can realize environmental protection and low-cost desulfurization, in this embodiment, a desulfurization purification device 8 is also specially provided, as shown in fig. 2, the desulfurization purification device 8 includes a desulfurization tank 81 connected with a compressor 7 and a nutrient solution storage tank 82 communicated with the bottom of the desulfurization tank 81, a circulating pump 83 is further provided between the nutrient solution storage tank 82 and the desulfurization tank 81, so that a circulating channel is formed among the desulfurization tank 81, the nutrient solution storage tank 82 and the circulating pump 83, specifically, the desulfurization tank 81 is overall cylindrical, a biogas inlet pipe 86 is connected to the middle-lower part of the tank body, i.e., a pipeline between the desulfurization tank 81 and the compressor 7, a biogas outlet pipe 87 is provided at the top of the tank body, i.e., a connecting pipeline between the desulfurization tank 81 and an ampoule workshop 1 or other equipment, the upper portion of digester 81 is provided with shower 85, nutrient solution storage tank 82 is used for nourishing biological fungus, the circulating pump 83 is carried biological fungus to shower 85, shower 85 sprays biological fungus downwards, biological fungus and the reverse contact of marsh gas of upward movement, and then absorb the hydrogen sulfide gas in the marsh gas, reach the purpose of sulphur removal, biological fungus selects any one in the ferrous thiobacillus oxythiobacillus, denitrogenation thiobacillus, thiobacillus thioparus and the thiobacillus thiooxidans, preferably, denitrogenation thiobacillus thioparus, the benefit of selecting for use denitrogenation thiobacillus thioparus lies in, it has better selectivity mainly to consider it, can adapt to different environment.
In order to make the thiobacillus denitrificans contact with the biogas better and achieve the purpose of removing hydrogen sulfide, in the embodiment, a packing layer 84 is further arranged in the desulfurizing tank 81, specifically, the packing layer 84 is arranged above a biogas inlet pipe 86 and below a spray pipe 85, so that the biogas is in contact with biological bacteria for a longer time and in a larger area by using the packing layer 84 to achieve the purpose of desulfurizing. Experimental data show that the hydrogen sulfide removal rate exceeds 85% by using the desulfurization purification device provided by the embodiment.
In order to improve the better heat collecting effect, in the embodiment, a heat collecting cover is also specially provided, as shown in fig. 3 and 4, the device comprises a groove-shaped inverted cover body 21, a waste heat collecting pipe 22 is arranged in the cover body 21, the waste heat collecting pipe 22 is fixed on the cover body 21, a waste heat inlet 23 is arranged on the side wall of one end of the waste heat collecting pipe 22 far away from the cover body 21, the bottom end of the waste heat collecting pipe 22 is in a sealed state, thus, hot air can only enter from the residual heat inlet 23 on the pipe wall of the residual heat collecting pipe 22, the design has the advantages of avoiding the instability of the fire head of the production line caused by a large amount of wind power generated by the fan when in work, therefore, normal production is influenced, in order to enable the received waste heat to reach a certain temperature, the heat collecting cover is designed above 1-2 meters of the equipment height, the distance is convenient for heat collection, and meanwhile, heat loss is avoided.
In order to improve the efficiency of the heat collecting cover 2, a plurality of waste heat collecting pipes 22 are arranged in the cover body 21, and 4 waste heat collecting pipes 22 are arranged in the cover body 21 with the length of about three meters, so that the distance between the waste heat collecting pipes is larger than the distance between the waste heat collecting pipes.
In order to improve the heat exchange effect, in this embodiment, a special water heat exchanger is further provided, as shown in fig. 5, the water heat exchanger 3 provided in this embodiment includes a heat transfer pipe 9, the heat transfer pipe 9 is disposed in the housing of the water heat exchanger 3, so that the hot air coming from the heat collecting cover 2 enters the housing of the water heat exchanger 3 and impacts the outer wall of the heat transfer pipe 9, pin pipes 91 are uniformly disposed on the heat transfer pipe 9, the length of the pin pipes 91 is similar to the diameter of the heat transfer pipe 9, in this embodiment, the pin pipes 91 are stainless steel columns, so that, when in use, while a heat source medium (residual heat) transversely flushes the pin pipes 91, symmetrical steady-state rotational flow and backflow regions are formed on the cylindrical back of the heat transfer pipe 9, the thermal boundary is continuously destroyed and re-formed, thereby the entire boundary layer of the heat exchange surface is thinned, so that the thermal resistance is reduced and the heat exchange coefficient is greatly, and the strong backflow and rotational flow enable the surface of the pin pipe 91 to have stronger dust prevention and scale prevention and higher self-ash removal capability.
Through the above design, the water heat exchanger provided by the present embodiment has the following advantages:
① the structure is compact, the heat exchange area of the pin pipe in unit length is about seven times of that of the common light pipe, and the pin pipes are connected by the small radius pushing elbow, therefore, compared with the equipment of the common light pipe of the pin pipe waste heat recovery device with the same heat exchange area, the volume and the floor area are reduced by several times, and the weight is reduced in different ranges.
② the maintenance is convenient, the heat exchange tube is made of a whole seamless steel tube, the pin tubes are connected by elbows, so that the heat exchange tube has high pressure resistance, the quality problem is rarely caused in general conditions, and if one pin tube is accidentally found to leak, the pin tube can be conveniently replaced.
③ the compression elements have low thermal stress, each compression element has no forced assembly when assembled as a whole, thus no assembly stress is generated, and each pin tube set has one end welded to the steel structure and the other end in free state.
④ can run continuously with high efficiency, according to the heat transfer mechanism and the structure characteristics, we know that the pin tube technology has strong capabilities of scale prevention, ash prevention, self-descaling and ash removal, therefore, the equipment can keep running with high efficiency for a long time, which is incomparable with the ordinary light tube heat exchange equipment.
This embodiment provides another water heat exchanger in addition to the water heat exchanger described above, and as shown in fig. 6, the heat transfer tube provided in this figure is different from the heat transfer tube provided in fig. 5 in that, the layout of the pin tubes 91, the pin tube 91 in fig. 5 is designed to be spread over the heat exchange tube 9, thus forming the surface of the heat exchange tube 9 into a burr shape, in the heat transfer pipe provided by the figure, the pin pipes 9 are only arranged on the front side and the back side which are in direct contact with the residual heat air, and the two modes are that the pin pipes are transversely washed by heat source media (residual heat), symmetrical steady-state rotational flow and backflow zones are formed on the cylindrical back surface of the pin pipe, the thermal boundary is continuously destroyed and re-formed, thereby thinning the boundary layer of the whole heat exchange surface, reducing the thermal resistance and greatly improving the heat exchange coefficient, and the strong backflow and rotational flow enable the surface of the pin pipe to have stronger dust prevention and scale prevention and higher self-ash removal capability.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (6)
1. The heat collecting cover for the ampoule workshop waste heat utilization system is characterized by comprising a cover body which is in a groove shape and is arranged in an inverted mode, a waste heat collecting pipe is arranged in the cover body and fixed on the cover body, and a waste heat inlet is formed in the side wall of one end, far away from the cover body, of the waste heat collecting pipe.
2. The heat collecting cover for the ampoule workshop waste heat utilization system according to claim 1, wherein 4 waste heat collecting pipes are arranged in the cover body.
3. An ampoule workshop waste heat utilization system, which is characterized by comprising the heat collecting cover, the water heat exchanger, the hot water circulating pump, the methane anaerobic tank, the separator, the compressor and the desulfurization and purification device which are arranged in sequence according to the claim 1 or 2,
a heat collection cover: the waste heat collecting device is used for collecting waste heat of the ampoule workshop;
water heat exchanger: used for exchanging the waste heat to heat the water;
a hot water circulating pump: the water pump is used for conveying water in the water heat exchanger to the methane anaerobic tank;
a methane anaerobic tank: used for biogas fermentation to prepare biogas;
a separator: used for removing granular solid matters and water in the biogas;
a compressor: used for compressing the biogas;
desulfurization purification unit: used for removing hydrogen sulfide in the methane;
the heat collecting cover, the water heat exchanger, the hot water circulating pump, the methane anaerobic tank, the separator, the compressor and the desulfurization purification device are communicated through pipelines.
4. The ampoule workshop waste heat utilization system of claim 3, wherein the desulfurization purification device comprises a desulfurization tank connected with a compressor and a nutrient solution storage tank communicated with the bottom of the desulfurization tank, a circulating pump is further arranged between the nutrient solution storage tank and the desulfurization tank, and a circulating channel is formed among the desulfurization tank, the nutrient solution storage tank and the circulating pump.
5. The ampoule workshop waste heat utilization system of claim 4, wherein a packing layer is further arranged in the desulfurization tank, and the packing layer is made of polypropylene.
6. The ampoule workshop waste heat utilization system of claim 3, wherein the water heat exchanger comprises a heat transfer pipe, pin pipes are uniformly arranged on the outer wall of the heat transfer pipe, and the pin pipes are made of stainless steel.
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| CN201610089894.5A CN105734082B (en) | 2016-02-03 | 2016-02-03 | Ampoule workshop waste heat utilization method and utilization system thereof |
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Citations (5)
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| CN105734082A (en) | 2016-07-06 |
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