A kind of biological energy source absorption process and the air energy thermal pumping system based on this method
Technical field
Field is utilized the present invention relates to energy recovery, more particularly to a kind of biological energy source absorption process and based on this method
Air energy thermal pumping system.
Background technology
Poultry, livestock culturing industry are the pillar industries of China's animal husbandry, are also that scale intensive degree is high, first with the world
Enter the immediate industry of level.Poultry, cattle breeding are wide in variety, and quantity is big, including chicken, duck, goose, turkey, quail, dove, pig, ox
And extraordinary birds etc..Since reform and opening-up, particularly in the last few years, China poultry, livestock culturing industry are fast-developing, aquaculture
Integrated production capacity is significantly increased, it has also become the important sources of increasing peasant income, and its product is also product most popular with consumers.
Meanwhile, cultivation quantity is more in centralization-breeding factory, and density is big, and easy breed bacteria virus, bacterium is diffused into air
It is easily caused animal or people's infection;Simultaneously high-density breeding there is also oxygen demand it is big the characteristics of.To ensure human and livestock health, prior art
In the above mentioned problem that exists of the air that is directed in plant's feeding environment, it is many using increase air cleaning unit and to introduce fresh air
Scheme is solved.Particularly in the winter time, for ensure plant in room temperature maintain a higher temperature range in favor of
Poultry, the survival and growth of domestic animal, and can be increased during Leads to new breeze using air-conditioning or other firing equipments to plant
The burden heated, above air-conditioning or other firing equipments are typically operated under larger load in the case, above energy
Source expenditure influences larger to aquaculture cost, while wasting the bio-energy that a large amount of poultry, domestic animal produce.
In the prior art, such as utility model 200920106922.5,200420017455.6, discloses waste heat recovery
Change very big in itself to heat pump main frame using technology or device, in these schemes, indoor and outdoor unit also has larger change, also exists
Increase perforate on wall.Heat pump techniques are that extensive mature technology is used in modern society, and its mounting arrangement is extensive by everybody
Receive.These change the production difficulty and marketing risk by manufacturer is greatly increased.It also is difficult to allow users to receive, no
Beneficial to popularization.Its recuperation of heat Land use systems not science, it individually or mixing outdoor air, acts on heat directly by room air
On pump evaporator.Because outside air temperature is not high but hot total amount is unlimited, indoor thermal temperature is high but total amount is limited.If
Evaporator heat exchange is participated individually in, heated total amount limitation may instead result in heat absorption deficiency, and also indoor temperature drops too low.As mixed
Evaporator heat exchange temperature can not then be effectively improved by closing outdoor air.So heat medium temperature can not be effectively improved directly.
The content of the invention
Air-conditioning or other firing equipments can be typically used during Leads to new breeze in the prior art to cultivation for above-mentioned
Field is heated, and above air-conditioning or other firing equipments are typically operated under larger load in the case, above energy branch
The problem of going out larger on aquaculture cost influence, the invention provides a kind of biological energy source absorption process and the air energy based on this method
Heat pump.
To solve the above problems, a kind of biological energy source absorption process and the air energy heat pump based on this method that the present invention is provided
System solves problem by following technical essential:A kind of biological energy source absorption process, in air energy thermal pumping system, passing through sky
Gas energy heat pump is absorbed to the heat energy in exhaust duct or ventilation mouth, and the endotherm section of the heat pump is divided into two parts:Including
Heat carrier in the low grade heat energy absorption portion of front end and the high-grade heat absorption portion of rear end, the low grade heat energy absorption portion
Absorb the atmospheric heat in natural environment, when the heat carrier flow is through high-grade heat absorption portion, the heat carrier and exhaust duct
Or the air-flow in ventilation mouth carries out heat exchange.
The invention provides a kind of air energy thermal pumping system based on this kind of biological energy source absorption process simultaneously:A kind of air energy
Heat pump, including heat pump, the heat pump include compressor, condenser and the evaporator being sequentially connected by pipeline, the steaming
The port of export of hair device is connected on the arrival end of compressor, and the port of export of compressor is connected with the arrival end of condenser, described to steam
The rear end of hair device is additionally provided with high-grade thermal fluid inlet.
Further technical scheme is:
Air-flow in exhaust duct or ventilation mouth is completed after heat exchange with heat carrier in high-grade heat absorption portion, whole or portion
Divide and further heat exchange is carried out by single or multiple be incorporated into the endotherm section of the heat pump.
Also include bypass line, the arrival end and the port of export of the bypass line are respectively positioned at the rear end of evaporator with before
End.
The hot fluid inlet end and hot fluid outlet ports end of the evaporator are adjacent.
The first axial flow blower is additionally provided with the bypass line.
The evaporator includes being additionally provided with polylith in induced duct and the metal coil pipe in induced duct, the induced duct
Diaphragm.
The diaphragm is fixed on metal coil pipe, and adjacent diaphragm is staggeredly arranged on metal coil pipe.
The diaphragm is fixed on the internal face of induced duct, and diaphragm is in tabular, arc tabular or spiral tabular,
And adjacent diaphragm is staggeredly arranged in induced duct.
The diaphragm be sandwich, the sandwich include both sides for metal material strength layer and be located at
The second axial flow blower is additionally provided with packed layer between strength layer, the induced duct.
The invention has the advantages that:
1st, the invention provides a kind of biological energy source absorption process, this method is used in air energy thermal pumping system, passes through air
Energy heat pump is absorbed to the heat energy in exhaust duct or ventilation mouth.Due to being given up in above exhaust duct or ventilation mouth comprising biological
The heat that heat and other human factors are produced, particularly in winter, above delivery temperature could possibly be higher than outdoor environment more than 30 DEG C.
In this method, during by endotherm section of the heat carrier flow in heat pump through heat pump, nature is absorbed in low grade heat energy absorption portion first
Atmospheric heat in environment, the air stream heat discharged in exhaust duct or ventilation mouth is absorbed in high-grade heat absorption portion again,
Because the temperature for the gas discharged in exhaust duct or ventilation mouth is necessarily higher than the air themperature of natural environment, therefore heat carrier is in evaporation
During substantial amounts of heat is absorbed to from natural environment first, temperature is constantly raised in flow process, in heat carrier flow extremely
Exchanged heat again with the air discharged in exhaust duct or ventilation mouth during the rear end of endotherm section, the heat carrier of above form absorbs heat mode
It may be such that it is absorbed to most of heat from natural environment, when close to environment temperature, higher exhaust duct or changed with temperature
Air-flow in gas port carries out heat exchange, therefore cold and hot medium still has larger thermograde so that heat carrier is further heated up
To higher than environment temperature, just can so effectively improve temperature when heat carrier enters heat pump compressor, play heat pump to
The good utilization of exhaust heat, improves the power output of heat pump in upper exhaust duct or ventilation mouth.It is used as a kind of specific work
Temperature is -15 DEG C to heat carrier in the cold state in condition, such as heat pump, and environment temperature is 15 DEG C, and the heat carrier of above cold conditions first is from ring
Heat is absorbed in border, because the thermal capacity of environment may be regarded as hot total amount infinitely, therefore heat carrier can largely absorb heat in environment, as
A kind of selection process, when heat carrier temperature rises to 12 DEG C or so(When temperature gradient is too small, heat exchange is not obvious, such as the temperature difference
Gradient is less than 5 DEG C, is unfavorable for heat exchanger effectiveness), the air discharged will introduce in exhaust duct or ventilation mouth, with cause heat carrier with
Above-mentioned air carries out heat exchange, and above-mentioned air is generally 30 DEG C or so, and so, above heat carrier can be relatively easy to be warming up to
28 DEG C or so.
2nd, the method and corresponding heat pump structure that the present invention is provided, it is not necessary to existing general source pump and installation
System has big change, in the case where not improving existing energy consumption of compressor, just can be by recycling indoor high-grade heat
The power output of source pump can be improved, the present invention is convenient with promoting.
3rd, as those skilled in the art, this residual heat system can also be employed for other aspects of human being's production life,
Above exhaust duct can also be the exhaust duct in other regions, particularly office buildings air draft supervisor, plant building exhaust duct etc..
Brief description of the drawings
Fig. 1 is a kind of structure of one specific embodiment of air energy thermal pumping system of the present invention and technological process signal
Figure;
Fig. 2 is the structural representation of the diaphragm described in embodiment 2.
Scheming acceptance of the bid note is respectively:1st, induced duct, 2, compressor, 3, condenser, 4, evaporator, the 5, first axial flow blower, 6,
Bypass line, 7, diaphragm, 71, strength layer, 72, packed layer, 8, high-grade thermal fluid inlet.
Embodiment
The invention provides a kind of biological energy source absorption process and the air energy thermal pumping system based on this method, for solving:
Plant can typically be heated using air-conditioning or other firing equipments during Leads to new breeze in the prior art, with overhead
Adjust or other firing equipments typically operate under larger load in the case, the above energy expenditure on aquaculture cost influence compared with
Big the problem of, the solution of problem above is dependent on the privileged site that biological used heat is incorporated into heat pump endotherm section so that heat pump has
Effect absorbs the biological heat energy that will be discharged, and above-mentioned biological heat energy is converted into other purposes, improves the power output of heat pump.
With reference to embodiment, the present invention is described in further detail, but the present invention is not limited only to following examples:
Embodiment 1:
As shown in figure 1, a kind of biological energy source absorption process and the air energy thermal pumping system based on this method are given birth to there is provided one kind
Thing energy absorption process, this method is used in air energy thermal pumping system, by air energy heat pump to the heat in exhaust duct or ventilation mouth
It can be absorbed, the endotherm section of the heat pump is divided into two parts:Low grade heat energy absorption portion and rear end including front end
Heat carrier in high-grade heat absorption portion, the low grade heat energy absorption portion absorbs the atmospheric heat in natural environment, described
When heat carrier flow is through high-grade heat absorption portion, the heat carrier carries out heat exchange with the air-flow in exhaust duct or ventilation mouth.
The invention provides a kind of air energy thermal pumping system based on this kind of biological energy source absorption process simultaneously:The system includes
Heat pump, the heat pump includes compressor 2, condenser 3 and the evaporator 4 being sequentially connected by pipeline, the outlet of the evaporator 4
End is connected on the arrival end of compressor 2, and the port of export of compressor 2 is connected with the arrival end of condenser 3, the evaporator 4
Rear end is additionally provided with high-grade thermal fluid inlet 8.
In the present embodiment, this method is used in air energy thermal pumping system, by air energy heat pump to exhaust duct or ventilation mouth
In heat energy absorbed.Due to what is produced in above exhaust duct or ventilation mouth comprising biological used heat and other human factors
Heat, particularly in winter, above delivery temperature could possibly be higher than outdoor environment more than 30 DEG C.In this method, by hot in heat pump
When carrier flows through the endotherm section of heat pump, the atmospheric heat in natural environment is absorbed first in low grade heat energy absorption portion, is existed again
The air stream heat discharged in exhaust duct or ventilation mouth is absorbed in high-grade heat absorption portion, due to being arranged in exhaust duct or ventilation mouth
The temperature of the gas gone out is necessarily higher than the air themperature of natural environment, thus heat carrier in evaporation process first from natural environment
Be absorbed to substantial amounts of heat, temperature is constantly raised in flow process, at the rear end of heat carrier flow to endotherm section again and air draft
The air discharged in pipe or ventilation mouth is exchanged heat, and the heat carrier heat absorption mode of above form may be such that it inhales from natural environment
Receive most of heat, when close to environment temperature, with temperature higher exhaust duct or ventilation mouth in air-flow carry out heat exchange,
Therefore cold and hot medium still has larger thermograde so that heat carrier is further heated up higher than environment temperature, so just can
Temperature when heat carrier enters heat pump compressor 2 is enough effectively improved, heat pump is played to being discharged in above exhaust duct or ventilation mouth
The good utilization of gas heat, improves the power output of heat pump.
In the heat pump that the present embodiment is provided, the high-grade thermal fluid inlet 8 being arranged on evaporator 4 is used for and air draft
Pipe or ventilation mouth are connected so that the specific rear end for flowing to evaporator 4 of hot fluid in exhaust duct or ventilation mouth, by causing evaporation
The cold and hot medium of the rear end of device 4 has the method for larger thermograde to improve the endothermic effect of heat carrier in evaporator 4, reaches
The purpose of temperature when heat carrier enters heat pump compressor 2 is improved by biological heat.
In the present embodiment, set location of the high-grade thermal fluid inlet 8 on evaporator 4 regards the gas of exhaust duct or mouth of taking a breath
Depending on uninterrupted and temperature, compared to the power output of heat pump, if interior energy and temperature in the air-flow of said exhaust pipe or mouth of taking a breath
Degree is larger or higher, and high-grade thermal fluid inlet 8 is largerly settable with the end hot fluid flow of evaporator 4, otherwise settable
Obtain smaller.As the further preferred scheme of the present embodiment, above high-grade thermal fluid inlet 8 is relative to the end of evaporator 4
Position is adjustable.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, in exhaust duct or ventilation mouth
Air-flow and high-grade heat absorption portion in heat carrier complete after heat exchange, it is all or part of by it is single or multiple be incorporated into it is described
Further heat exchange is carried out in the endotherm section of heat pump.
Above to the further restriction of biological energy source absorption process in embodiment 1, it is easy to exhaust duct as much as possible or ventilation
The heat of gas is discharged in mouthful, i.e., more than discharge gas as rear end hot fluid, in rear end, hot fluid temperature is apparently higher than heat absorption
During Duan Qianduan hot fluids, further absorbing for interior energy in the hot fluid of rear end is worth with good absorption.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, for ease of being filled to interior energy in high-grade hot fluid
Divide and utilize, high-grade hot fluid and heat carrier heat exchange can be caused repeatedly, as a kind of mode for realizing such scheme, in addition to
Bypass line 6, the arrival end and the port of export of the bypass line 6 are located at the rear end and front end of evaporator 4 respectively.
For ease of being made full use of to interior energy in high-grade hot fluid, high-grade hot fluid and heat carrier heat can be caused repeatedly
Exchange, be used as a kind of another way for realizing such scheme, the hot fluid inlet end and hot fluid outlet ports end of the evaporator 4
It is adjacent.The manner can be by the way that the overall structure of evaporator 4 to be set to the shape of bending, and such as U-shaped do not changing cold fluid and hot fluid
In the case of the total flow channel length of heat exchange so that the hot fluid inlet end of evaporator 4 and hot fluid outlet ports end are adjacent, in hot fluid row
When going out, more easily it can be entered again by entrance point to carry out heat exchange repeatedly.
Played for ease of bypass line 6 in drainage, the bypass line 6 and be additionally provided with the first axial flow blower 5.
As a kind of good structure of evaporator 4 of heat carrier endothermic effect, the evaporator 4 includes induced duct 1 and positioned at drawing
Polylith diaphragm 7 is additionally provided with metal coil pipe in airduct 1, the induced duct 1.Above induced duct 1 is easy in metal dish
Stable hot fluid forced flow is realized in the outside of pipe, and above diaphragm 7 is used for the flowing for guiding hot fluid in induced duct 1,
Play the effect of deflection plate.
As a kind of structure type be easy to manufacture and installed, the diaphragm 7 is fixed on metal coil pipe, adjacent
Diaphragm 7 is staggeredly arranged on metal coil pipe.
Further, above metal coil pipe is multiple, the i.e. distribution by the center of induced duct 1 to side wall different-diameter in parallel
There is the metal coil pipe of different-diameter, to cause the heating surface of evaporator 4 to be uniformly distributed on the section of induced duct 1, with as far as possible
Many heat energy for being absorbed to hot fluid.
The diaphragm 7 is fixed on the internal face of induced duct 1, and diaphragm 7 is in tabular, arc tabular or spiral plate
Shape, and adjacent diaphragm 7 is staggeredly arranged in induced duct 1.
In above structure, by arranging diaphragm 7 on the internal face of induced duct 1, change the heat formed in induced duct 1
Fluid course shape so that hot fluid is in Turbulence Flow in induced duct 1, and it is irregular, mutual that each particle of hot fluid is made
Blending, the tortuous chaotic nowed forming in track are easy to implement the mixing of hot fluid so that various forms of heat carriers being capable of composition
Diaphragm 7 is once given in absorption heat energy, Fig. 2, and helically one of tabular, tabular and arc tabular is specifically real respectively
The structural representation of example is applied, likewise it is preferred that bolt block will be set on diaphragm 7, using the shape of diaphragm 7 and miscellaneous part
Formula is using the form being threadedly coupled, to avoid the influence in welding process to all parts material property.
For the weight of heat absorption part in reduction this programme, it is easy to utilization of this programme under different mounting conditions, institute
Diaphragm 7 is stated for sandwich, the sandwich include both sides for the strength layer 71 of metal material and positioned at strength layer
The second axial flow blower is additionally provided with packed layer 72 between 71, the induced duct 1.
The form of diaphragm 7 for being adopted as sandwich above may be such that the integral thickness increase of diaphragm 7, and cooperation is set
Put the packed layer 72 between strength layer 71, may be such that diaphragm 7 lighter in weight, it is durable under conditions of have it is enough firm
Degree, it is that this not only causes the diaphragm 7 of such a form to pacify by that can harden the glue product shaped after filling to be preferably filled with layer 72
Fill it is easy to manufacture, while the sealing to the la m of diaphragm 7 can be realized, antiseptic property and absorbing beneficial to diaphragm 7
Anti-acoustic capability.The second axial flow blower set is used for the forced flow for braking hot fluid in induced duct 1.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.