CN213865997U - Biogas slurry concentration system - Google Patents

Biogas slurry concentration system Download PDF

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Publication number
CN213865997U
CN213865997U CN202023118656.3U CN202023118656U CN213865997U CN 213865997 U CN213865997 U CN 213865997U CN 202023118656 U CN202023118656 U CN 202023118656U CN 213865997 U CN213865997 U CN 213865997U
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heat
pump
biogas slurry
heat exchange
separator
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CN202023118656.3U
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王鲁民
王传水
王倩
高云
夏晓芳
赵新伟
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Qingdao Zhongke Huatong Energy Engineering Co ltd
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Qingdao Zhongke Huatong Energy Engineering Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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Abstract

The utility model relates to the technical field of biogas slurry concentration, in particular to a biogas slurry concentration system, which comprises a biogas slurry temporary storage tank and a heat exchange heater, the biogas slurry temporary storage tank comprises a separator, a vacuum pump and a gas source heat pump, wherein the output end of a biogas slurry temporary storage tank is connected with the input end of a heat exchange heater, the output end of the heat exchange heater is connected with the top of the separator, the vacuum pump is connected to the top end of an inner cavity of the separator, the heat medium outlet end of the heat exchange heater is connected with a heat medium temporary storage tank, the heat medium inlet end of the heat exchange heater is connected with the water outlet end of the gas source heat pump, the water inlet end of the gas source heat pump is connected with the heat medium temporary storage tank, the air outlet end of the vacuum pump is connected with the gas source heat pump, the gas source heat pump transfers heat in gas discharged by the vacuum pump to a heat medium, the condensate outlet of the gas source heat pump is connected with a condensate storage tank, the bottom end of the separator is connected with a liquid fertilizer storage tank, and biogas slurry output by the heat exchange heater is discharged to the inner cavity of the separator in a spraying manner; the problem of carry out concentrated efficiency not high to the natural pond liquid among the prior art is solved.

Description

Biogas slurry concentration system
Technical Field
The utility model relates to a concentrated technical field of natural pond liquid specifically is a concentrated system of natural pond liquid.
Background
Organic matters in the biomass are subjected to anaerobic fermentation to generate fermentation residues, and liquid parts of the fermentation residues subjected to solid-liquid separation are called biogas slurry. The biogas slurry contains rich nitrogen, phosphorus, potassium and trace nutrient elements, and contains various amino acids, active enzymes and other nutrients. The nutrient elements exist in the form of quick-acting components, the nutrient utilization rate is high, and the nutrient elements can be well absorbed and utilized by animals and crops.
However, the concentration of nutrient substances in the biogas slurry is low, and the concentration of the biogas slurry is increasingly paid attention to in order to improve the use value of the biogas slurry. The concentrated heating methods that adopts of present natural pond liquid, this mode energy consumption is high, and ammonium ion is along with steam evaporation in heating process, leads to the natural pond liquid nutrition after the concentration to have great loss on the one hand, and on the other hand can cause secondary pollution to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses carry out concentrated problem that efficiency is not high to natural pond liquid among the solution prior art, designed a natural pond liquid concentration system.
In order to achieve the above object, the utility model provides a following technical scheme: a biogas slurry concentration system comprises a biogas slurry temporary storage pool, and further comprises a heat exchange heater, a separator, a vacuum pump and a gas source heat pump, wherein the output end of the biogas slurry temporary storage pool is connected with the input end of the heat exchange heater, the output end of the heat exchange heater is connected with the position, close to the top end, of the inner cavity of the separator, the vacuum pump is connected to the top end of the inner cavity of the separator, the heat medium outlet end of the heat exchange heater is connected with the heat medium temporary storage pool, the heat medium inlet end of the heat exchange heater is connected with the water outlet end of the gas source heat pump, the water inlet end of the gas source heat pump is connected with the heat medium temporary storage pool, the exhaust end of the vacuum pump is connected with the gas source heat pump, the gas source heat pump is used for transferring heat in gas discharged by the vacuum pump to a heat medium, and the condensate outlet of the gas source heat pump is connected with a condensate storage pool, the bottom end of the separator is connected with a liquid fertilizer storage pool.
Preferably, the biogas slurry at the output end of the heat exchange heater is discharged to the inner cavity of the separator in a spraying mode.
Preferably, a first liquid pump is arranged between the output end of the biogas slurry temporary storage tank and the input end of the heat exchange heater.
Preferably, a second liquid pump is arranged between a heat medium inlet end of the air source heat pump and the heat medium temporary storage pool.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a fertile nutrient composition concentration of liquid that concentrated system of natural pond liquid obtained after with natural pond liquid concentration is high, has reduced the cost of transportation.
2. The utility model relates to a concentrated system of natural pond liquid utilizes the heat of natural pond liquid self to heat for the evaporation of moisture in the natural pond liquid, greatly reduced the energy consumption.
3. The utility model relates to a concentrated system of natural pond liquid is carrying out concentrated in-process to natural pond liquid and does not add other chemicals, does not produce secondary pollution.
4. The utility model relates to a comdenstion water that concentrated system of natural pond liquid produced can multiplexing be used to marsh gas project allotment water, reaches the effect of using water wisely.
5. The utility model relates to a concentrated system of natural pond liquid expansibility is high, can satisfy the concentrated demand of different scale biogas engineering natural pond liquid.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-biogas slurry temporary storage tank; 11-a first liquid pump; 2-a heat exchange heater; 3-a separator; 4-a vacuum pump; 5-air source heat pump; 6-temporary storage pool of heating medium; 61-a second liquid pump; 7-a condensate storage tank; 8-liquid fertilizer storage pool.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a biogas slurry concentration system, which comprises a biogas slurry temporary storage tank 1, a heat exchange heater 2, a separator 3, a vacuum pump 4 and a gas source heat pump 5, wherein an output end of the biogas slurry temporary storage tank 1 is connected with an input end of the heat exchange heater 2, an output end of the heat exchange heater 2 is connected with a position near a top end of an inner cavity of the separator 3, the vacuum pump 4 is connected with a top end of the inner cavity of the separator 3, a heat medium outlet end of the heat exchange heater 2 is connected with a heat medium temporary storage tank 6, a heat medium inlet end of the heat exchange heater 2 is connected with a water outlet end of the gas source heat pump 5, a water inlet end of the gas source heat pump 5 is connected with the heat medium tank 6, a temporary storage end of the vacuum pump 4 is connected with the gas source heat pump 5, the gas source heat pump 5 is used for transferring heat in gas discharged from the vacuum pump 4 to the heat medium, a condensate outlet of the gas source heat pump 5 is connected with a condensate storage tank 7, the bottom end of the separator 3 is connected with a liquid fertilizer storage tank 8.
In this embodiment, the natural pond liquid of 2 output ends of heat exchange heater is discharged to 3 inner chambers of separator with the mode of spraying for during the use, further increased the evaporation rate of moisture in the natural pond liquid.
In this embodiment, be provided with first liquid pump 11 between the output of pond 1 and the input of heat exchange heater 2 is kept in to natural pond liquid.
In this embodiment, a second liquid pump 61 is disposed between the water inlet end of the air source heat pump 5 and the heat medium temporary storage tank 6.
The working principle is as follows: when the biogas slurry temporary storage tank is used, the first liquid pump 11 pumps biogas slurry in the biogas slurry temporary storage tank 1 to be discharged to the input end of the heat exchange heater 2, and the biogas slurry absorbs heat in a heating medium in the heat exchange heater 2 to achieve the heating effect; the heated biogas slurry is sprayed out from the top of the inner cavity of the separator 3 in a spraying manner; the vacuum pump 4 enables the top of the inner cavity of the separator 3 to form a negative pressure environment; water in the biogas slurry is evaporated rapidly; the second liquid pump 61 is used for extracting the heat medium from the heat medium temporary storage pool 6 and discharging the heat medium to a heat medium water inlet end of the air source heat pump 5; the steam is discharged after heat exchange through the air source heat pump 5, and the air source heat pump 5 exchanges heat in the steam into a heating medium; the heat medium obtains heat at the air source heat pump 5, then the heat medium enters the heat exchange heater 2 through the heat medium inlet end of the heat exchange heater 2 to heat the biogas slurry, and the heat medium after heat exchange flows back to the heat medium temporary storage pool 6 through the heat medium outlet end of the heat exchange heater 2; after the air source heat pump 5 absorbs the heat of the moisture evaporated from the separator 3, the temperature of the steam is rapidly reduced to form condensate which is collected in a condensate storage tank 7; the concentrated biogas slurry forms liquid fertilizer and flows into the liquid fertilizer storage pool 8, so that the concentration process of the biogas slurry is completed.
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 (4)

1. The utility model provides a concentrated system of natural pond liquid, includes natural pond liquid pond (1) of keeping in, its characterized in that: still include heat exchange heater (2), separator (3), vacuum pump (4) and air source heat pump (5), the output of pond (1) is kept in to natural pond liquid with the input of heat exchange heater (2) is connected, the output of heat exchange heater (2) with the separator (3) inner chamber be close to the top position and connect, vacuum pump (4) connect in the top of separator (3) inner chamber, the heat medium exit end of heat exchange heater (2) is connected with heat medium and keeps in pond (6), the heat medium entry end of heat exchange heater (2) with the play water end of air source heat pump (5) is connected, the end of intaking of air source heat pump (5) with heat medium is kept in the pond (6) and is connected, the exhaust end of vacuum pump (4) with air source heat pump (5) are connected, air source heat pump (5) are used for with heat transfer to heat medium in the vacuum pump (4) exhaust gas, and a condensate outlet of the air source heat pump (5) is connected with a condensate storage pool (7), and the bottom end of the separator (3) is connected with a liquid fertilizer storage pool (8).
2. The biogas slurry concentration system according to claim 1, characterized in that: and the biogas slurry at the output end of the heat exchange heater (2) is discharged to the inner cavity of the separator (3) in a spraying mode.
3. The biogas slurry concentration system according to claim 1, characterized in that: and a first liquid pump (11) is arranged between the output end of the biogas slurry temporary storage tank (1) and the input end of the heat exchange heater (2).
4. The biogas slurry concentration system according to claim 1, characterized in that: and a second liquid pump (61) is arranged between a heat medium inlet end of the air source heat pump (5) and the heat medium temporary storage pool (6).
CN202023118656.3U 2020-12-23 2020-12-23 Biogas slurry concentration system Active CN213865997U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023118656.3U CN213865997U (en) 2020-12-23 2020-12-23 Biogas slurry concentration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023118656.3U CN213865997U (en) 2020-12-23 2020-12-23 Biogas slurry concentration system

Publications (1)

Publication Number Publication Date
CN213865997U true CN213865997U (en) 2021-08-03

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