CN109198703A - Environmental protection and energy saving zero waste gas emission expanded pellet diet production line and production method - Google Patents
Environmental protection and energy saving zero waste gas emission expanded pellet diet production line and production method Download PDFInfo
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- CN109198703A CN109198703A CN201811317909.4A CN201811317909A CN109198703A CN 109198703 A CN109198703 A CN 109198703A CN 201811317909 A CN201811317909 A CN 201811317909A CN 109198703 A CN109198703 A CN 109198703A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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Abstract
The invention belongs to feed production technology fields, disclose a kind of environmental protection and energy saving zero waste gas emission expanded pellet diet production line and production method, production line includes being disposed with coarse crushing unit along production process, pulverizing unit, preceding quenched unit, extruding unit, drying unit and cooling unit, is equipped with A type environmental protection and energy saving zero waste gas emission device on coarse crushing unit, ultramicro grinding unit, preceding quenched unit, extruding unit and cooling unit；A type environmental protection and energy saving zero waste gas emission device includes the deduster for being connected to the outlet port of each unit, it is connected to the allocation of the amount of air valve of deduster, and it is connected to the A type heat recovery apparatus of allocation of the amount of air valve main road, A type heat recovery apparatus side is connected with threeway outlet, threeway exit end is connected to the air inlet of each unit, and the bypass of allocation of the amount of air valve is connect with the other end that threeway exports.The present invention can carry out exhaust gas to be recycled after effectively administering, to realize the zero waste gas emission of entire process system.
Description
Technical field
The present invention relates to feed production technology fields more particularly to a kind of environmental protection and energy saving zero waste gas emission expanded pellet diet to produce
Line and production method.
Background technique
With the quickening of Urbanization in China and making rapid progress for new countryside construction, living standards of the people are continuously improved,
Demand to poultry meat product is increasing, therefore, brings herding livestock culture Industry Quick Development, correspondingly promotes
The prosperity of feedstuff industry.It but since conventional feed industry is major power consumer, while being exhaust emission rich and influential family, people's life again
To environmental quality especially atmosphere quality, more stringent requirements are proposed for horizontal raising, in existing Feed Manufacturing industry, ring
Border protection forms sharp contradiction with production development.
In existing expanded pellet diet production technology, a large amount of wet exhaust gas of heat can be generated, at present the processing of exhaust gas wet for heat
Mode is usually following several: 1, spray washing+sewage treatment process；2, plasma cleaning technique；3, spray washing+ultraviolet light
Catalytic processes+sewage treatment；4, microbe filter purification process.
Above-mentioned various processing modes can be realized the processing to damp and hot exhaust gas, but its there are the land occupations of environment protection treating equipment
Area is big, and construction is big；Primary investment is high, and operating cost is high, increases business burden；Environment protection treating equipment build up after to week
Collarette border influences still eliminate；The problems such as not recycling the thermal energy wasted originally.
Therefore, how to realize and processing and heat utilization are carried out to the wet exhaust gas of big calorimetric generated in expanded pellet diet production, be
Technical problems to be solved at present.
Summary of the invention
It is right the purpose of the present invention is to provide a kind of environmental protection and energy saving zero waste gas emission expanded pellet diet production line and production method
Originally the large quantity of exhaust gas discharged is effectively treated, and realizes zero waste gas emission while recycling heat to greatest extent.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of environmental protection and energy saving zero waste gas emission expanded pellet diet production line, along production process be disposed with coarse crushing unit,
Unit, preceding quenched unit, extruding unit, drying unit and cooling unit are pulverized, the coarse crushing unit pulverizes
A type environmental protection and energy saving zero waste gas emission device is equipped on unit, preceding quenched unit, extruding unit and cooling unit；
The A type environmental protection and energy saving zero waste gas emission device includes the deduster for being connected to the outlet port of each unit, even
It is connected to the allocation of the amount of air valve of the deduster, and is connected to the A type heat recovery apparatus of the allocation of the amount of air valve main road, the A
Type heat recovery apparatus side is connected with threeway outlet, and the threeway exit end is connected to the air inlet of each unit, and each unit produces
The raw wet exhaust gas of heat forms cold dry air and defeated after the deduster dedusting after A type heat recovery apparatus cooling, dehumidifying
It send to the air inlet；The other end that the bypass of the allocation of the amount of air valve is exported with the threeway is connect, and is used for a part not
Through the A type heat recovery apparatus processing exhaust gas directly with after the cold dry air that A type heat recovery apparatus is handled mixes together
It is delivered to the air inlet of each unit.
Preferably, the drying unit is equipped with Type B environmental protection and energy saving zero waste gas emission device, the Type B environmental protection and energy saving
Zero waste gas emission device includes the deduster for being connected to the outlet port of the drying unit, is connected to the of the deduster
One allocation of the amount of air valve, and it is connected to the Type B heat recovery apparatus of the first allocation of the amount of air valve main road, the Type B recuperation of heat dress
It sets side and is connected with the first threeway outlet, the first threeway exit end is connected to the air inlet of the drying unit, described
The wet exhaust gas of heat that drying unit generates, through Type B heat recovery apparatus cooling, dehumidifies and adds again after the deduster dedusting
Heated dry air is formed after heat and is delivered to the air inlet of the drying unit；The bypass of the first allocation of the amount of air valve and described the
The other end connection of one threeway outlet, the exhaust gas for handle a part without the Type B heat recovery apparatus directly and pass through B
The air inlet of the drying unit is delivered to after the heated dry air mixing of type heat recovery apparatus processing together.
Preferably, the A type heat recovery apparatus and the Type B heat recovery apparatus are respectively connected with hot water recycling system
And/or conduction oil reclaiming system and/or steam produce reclaiming system.
Preferably, the Type B environmental protection and energy saving zero waste gas emission device further includes control valve and sterilizer, the tune
Section valve and the sterilizer are successively set on the air inlet of the first threeway outlet and the drying unit along airintake direction
Between.
Preferably, the Type B environmental protection and energy saving zero waste gas emission device further includes blower, the blower is set to described remove
Between dirt device and the first allocation of the amount of air valve；
Alternatively, the blower is set between the first threeway outlet and the control valve.
Preferably, between the allocation of the amount of air valve and the A type heat recovery apparatus, the first allocation of the amount of air valve and institute
It states and is equipped with silencer-filter between Type B heat recovery apparatus.
Preferably, the A type environmental protection and energy saving zero waste gas emission device further includes control valve and sterilizer, the tune
Section valve and the sterilizer are successively set between the threeway outlet and the air inlet of each unit along airintake direction.
Preferably, the A type environmental protection and energy saving zero waste gas emission device further includes blower, the blower is set to described three
Between pass-out mouth and the control valve；
Alternatively, the blower is set between the deduster and the allocation of the amount of air valve.
The present invention also provides a kind of environmental protection and energy saving zero waste gas emission expanded pellet diet production methods, using above-mentioned environmental protection and energy saving
Zero waste gas emission expanded pellet diet production line carries out expanded pellet diet production, is successively passing through coarse crushing unit, is pulverizing unit, preceding
While quenched unit, extruding unit, drying unit and cooling unit processing form expanded pellet diet finished product, the coarse crushing list
The damp and hot exhaust gas that member, ultramicro grinding unit, preceding quenched unit, extruding unit and cooling unit generate passes through the A respectively connected
Enter air quantity distributing valve after the deduster dedusting of type environmental protection and energy saving zero waste gas emission device, the main road of the allocation of the amount of air valve will remove
Some or all of after dirt dust-collecting air distribute to cooled down in the A type heat recovery apparatus, dehumidifying to form cold dry air, lead to
A part is not required to damp and hot exhaust gas to be processed and the A type recuperation of heat according to the technological requirements by the bypass for crossing the allocation of the amount of air valve
The cold dry air mixing of device processing be delivered to together the corresponding coarse crushing unit, pulverize unit, preceding quenched unit,
In the air inlet of extruding unit and cooling unit.
Preferably, damp and hot exhaust gas the removing by Type B environmental protection and energy saving zero waste gas emission device that the drying unit generates
Enter the first allocation of the amount of air valve after dirt device dedusting, the main road of the first allocation of the amount of air valve distributes part or all of dust-collecting air
Heated dry air is formed after being cooled down, dehumidified and reheated in Type B heat recovery apparatus, passes through the first allocation of the amount of air valve
Bypass according to the technological requirements by a part be not required to damp and hot exhaust gas to be processed handle with the Type B heat recovery apparatus it is xeothermic
Air mixing is delivered to together in the air inlet of the drying unit.
Beneficial effects of the present invention: by the way that environmental protection and energy saving zero waste gas emission processing unit is arranged in each unit, pass through
After deduster dedusting, using A type heat recovery apparatus reducing temperature and humidity, subsequent A type heat recovery apparatus as needed will part or complete
It is delivered to each unit air inlet again after the purification of portion's waste gas dedusting to be recycled, is recycled after effectively administer to exhaust gas
It uses, to realize the zero waste gas emission of entire process system, is effectively protected environment.And it can be to the exhaust gas of processing
It utilizes again, significantly reduces production cost.
And hot water recycling system and/or conduction oil reclaiming system and/or steam life are connected to by A type heat recovery apparatus
Reclaiming system is produced, the thermal energy recycling of exhaust gas can be realized further using the thermal energy in exhaust gas, waste gas pollution control and treatment and energy conservation is subtracted
Row, thermal energy recycling organically combine, existing good environmental benefit and social benefit, and have great economic benefit.
Detailed description of the invention
Fig. 1 is the schematic illustration of environmental protection and energy saving zero waste gas emission expanded pellet diet production line of the invention；
Fig. 2 is a kind of principle signal for the A type environmental protection and energy saving zero waste gas emission device that the present invention is connected to coarse crushing unit
Figure；
Fig. 3 is that another principle for the A type environmental protection and energy saving zero waste gas emission device that the present invention is connected to coarse crushing unit is shown
It is intended to；
Fig. 4 is that a kind of principle for the A type environmental protection and energy saving zero waste gas emission device that the present invention is connected to ultramicro grinding unit is shown
It is intended to；
Fig. 5 is that the present invention is connected to another principle for pulverizing the A type environmental protection and energy saving zero waste gas emission device of unit
Schematic diagram；
Fig. 6 is a kind of principle signal of the A type environmental protection and energy saving zero waste gas emission device of quenched unit before the present invention is connected to
Figure；
Fig. 7 is that another principle of the A type environmental protection and energy saving zero waste gas emission device of quenched unit before the present invention is connected to is shown
It is intended to；
Fig. 8 is a kind of schematic illustration for the A type environmental protection and energy saving zero waste gas emission device that the present invention is connected to extruding unit；
Fig. 9 is another principle signal for the A type environmental protection and energy saving zero waste gas emission device that the present invention is connected to extruding unit
Figure；
Figure 10 is a kind of principle signal for the A type environmental protection and energy saving zero waste gas emission device that the present invention is connected to cooling unit
Figure；
Figure 11 is another principle signal for the A type environmental protection and energy saving zero waste gas emission device that the present invention is connected to cooling unit
Figure；
Figure 12 is a kind of principle signal for the Type B environmental protection and energy saving zero waste gas emission device that the present invention is connected to drying unit
Figure；
Figure 13 is another principle signal for the Type B environmental protection and energy saving zero waste gas emission device that the present invention is connected to drying unit
Figure.
In figure:
1, deduster；2, allocation of the amount of air valve；3, A type heat recovery apparatus；4, control valve；5, sterilizer；6, noise elimination filter
Device；7, pneumostome；8, filter device；9, blower；10, silencer；20, threeway exports；30, the first allocation of the amount of air valve；40, Type B
Heat recovery apparatus；50, the first threeway exports；100, coarse crushing unit；200, unit is pulverized；300, preceding quenched unit；
400, extruding unit；500, drying unit；600, cooling unit.
Specific embodiment
With reference to the accompanying drawing and pass through specific embodiment formula to further illustrate the technical scheme of the present invention.
The present invention provides a kind of expanded pellet diet production line, as shown in Figure 1, the expanded pellet diet production line includes along production process
It is disposed with the unit that feeds intake, impurity removing unit, coarse crushing unit 100, Primary batching system unit, mixed once unit, pulverizes
Unit 200, second batch unit, secondary mixed cell, preceding quenched unit 300, extruding unit 400, drying unit 500, screening
Unit, rear spray unit, cooling unit 600, screening unit, finished product packing unit and warehousing finished products unit, feedstuff according to
It is secondary to pass through above-mentioned each unit, ultimately form expanded pellet diet finished product.Above-mentioned each unit is production common in the art
Unit, structure repeat no more.
In the present embodiment, in above-mentioned coarse crushing unit 100, unit 200, preceding quenched unit 300, extruding unit are pulverized
400 and cooling unit 600 on be equipped with A type environmental protection and energy saving zero waste gas emission device, on drying unit 500 be equipped with Type B ring
Protect energy saving zero waste gas emission device.
Fig. 2 is the schematic illustration for being connected to the A type environmental protection and energy saving zero waste gas emission device of coarse crushing unit 100.It can join
According to Fig. 2, which includes deduster 1, allocation of the amount of air valve
2, A type heat recovery apparatus 3, control valve 4, sterilizer 5 and silencer-filter 6, in which:
Above-mentioned deduster 1 is heat resisting and pressure resisting anti-explosion dust remover, and structure is the prior art, is repeated no more.Above-mentioned deduster 1
It is connected to the outlet port of above-mentioned coarse crushing unit 100, the exhaust gas meeting of the outlet port discharge of above-mentioned coarse crushing unit 100
By 1 dedusting of deduster.
Above-mentioned allocation of the amount of air valve 2 is connected to deduster 1, and the main road of the allocation of the amount of air valve 2 is connected to A type heat recovery apparatus
3, bypass is connected between the exhaust outlet of A type heat recovery apparatus 3 and the air inlet of coarse crushing unit 100.Pass through allocation of the amount of air valve
2, it can be realized in the actual production process according to the needs of process adjustments to having to pass through deduster 1, A type heat recovery apparatus 3
The proportion adjustment for handling all or part of exhaust gas and accurately distribution.
The dust-collecting air that above-mentioned A type heat recovery apparatus 3 is used to distribute allocation of the amount of air valve 2 carries out reducing temperature and humidity, structure
For structure common in the art, is cooled down to high temperature and humidity exhaust gas, dehumidified.In the present embodiment, the A type recuperation of heat
3 side of device is connected with threeway outlet 20, and wherein one end of threeway outlet 20 is connected to A type heat recovery apparatus 3, and second end connects
The air inlet of above-mentioned coarse crushing unit 100 is passed through, third end is connected to the bypass of above-mentioned allocation of the amount of air valve 2, passes through allocation of the amount of air
The main road of valve 2 can according to need some or all of high temperature and humidity exhaust gas for discharging coarse crushing unit 100 through deduster
It after 1 dedusting, is assigned in above-mentioned A type heat recovery apparatus 3, the air after the cooling of A type heat recovery apparatus 3, dehumidifying can be with
The bypass distribution of allocation of the amount of air valve 2 the comes, portion without cooling down, dehumidifying is delivered to coarse crushing unit after mixing together
In 100 air inlet, with recyclegas temperature and humidity requirement corresponding under process conditions needed for reaching coarse crushing unit 100.
By allocation of the amount of air valve 2 and A type heat recovery apparatus 3, the warp for being delivered to coarse crushing unit 100 can be accurately adjusted
The parameter of air after dust separation, so that the air after dust separation of conveying meets needed for coarse crushing unit 100
It is required that.
In the present embodiment, above-mentioned silencer-filter 6 is set between allocation of the amount of air valve 2 and A type heat recovery apparatus 3, is passed through
The silencer-filter 6, further realizes the filtering to the air after dust separation, and avoids generating biggish vibration and make an uproar
Sound.The structure of above-mentioned silencer-filter 6 is the prior art, is repeated no more.
Above-mentioned control valve 4 is arranged between the air inlet of coarse crushing unit 100 and threeway outlet 20.The control valve 4
It is also connected with pneumostome 7, pneumostome 7 is connected with filter device 8, and outside air can pass sequentially through filter device 8 and breathing
Mouthfuls 7 enter control valves 4, and with some or all of the conveying of A type heat recovery apparatus 3 through dedusting, cooling, the purified sky of dehumidifying
Gas mixing, or bypassed with what A type heat recovery apparatus 3 conveyed through dedusting, cooling, the purified air of dehumidifying, allocation of the amount of air valve 2
Distribution is mixed without the portion that cools down, dehumidify, with reuse air needed for further reaching coarse crushing unit 100
Parameter request.
In the present embodiment, above-mentioned sterilizer is additionally provided between above-mentioned control valve 4 and the air inlet of coarse crushing unit 100
5, by sterilizer 5, it can be realized the sterilization to the air for being delivered to 100 air inlet of coarse crushing unit, to prevent in air
The quality of bacteria effect expanded pellet diet.The structure of above-mentioned sterilizer 5 is the prior art, and this embodiment is not repeated.
By above structure, the exhaust gas that coarse crushing unit 100 can be discharged effectively is administered, and realizes exhaust gas zero-emission
It puts, is effectively protected environment.And the exhaust gas of processing can be utilized again, significantly reduce production cost.
In the present embodiment, further, the above-mentioned A type environmental protection and energy saving zero waste gas emission dress for being connected to coarse crushing unit 100
Setting further includes having blower 9 and silencer 10, as shown in Fig. 2, the blower 9 can be set in control valve 4 and threeway outlet 20
Between.And silencer 10 is then set between blower 9 and control valve 4.It is set by the position of above-mentioned blower 9 and control valve 4
It sets, enables to the exhaust-gas treatment better effect of coarse crushing unit 100, and exhaust gas utilization is more reasonable.
It, can be as shown in figure 3, the above-mentioned A type environmental protection and energy saving exhaust gas zero for being connected to coarse crushing unit 100 in the present embodiment
The blower 9 of tapping equipment and the setting position of silencer 10 can also be as follows: i.e. blower 9 is set to deduster 1 and air quantity point
With between valve 2, and silencer 10 is then set between blower 9 and allocation of the amount of air valve 2.Equally enable to coarse crushing unit 100
Exhaust-gas treatment better effect, and exhaust gas utilization is more reasonable.
Fig. 4 and Fig. 5 is two kinds and is connected to the original for pulverizing the A type environmental protection and energy saving zero waste gas emission device of unit 200
Manage schematic diagram.It can refer to Fig. 4 and Fig. 5, be connected to the knot for pulverizing the A type environmental protection and energy saving zero waste gas emission device of unit 200
The structure of structure and the above-mentioned A type environmental protection and energy saving zero waste gas emission device for being connected to coarse crushing unit 100 is all the same, therefore no longer superfluous
It states.
Likewise, Fig. 6 and Fig. 7 is two kinds of A type environmental protection and energy saving zero waste gas emission devices for being connected to preceding quenched unit 300
Schematic illustration, the structure of structure and the above-mentioned A type environmental protection and energy saving zero waste gas emission device for being connected to coarse crushing unit 100
Also all the same, therefore repeat no more.
Likewise, Fig. 8 and Fig. 9 is two kinds of A type environmental protection and energy saving zero waste gas emission devices for being connected to extruding unit 400
Schematic illustration, the structure of structure and the above-mentioned A type environmental protection and energy saving zero waste gas emission device for being connected to coarse crushing unit 100
It is all the same, therefore repeat no more.
Likewise, Figure 10 and Figure 11 is two kinds of A type environmental protection and energy saving zero waste gas emission devices for being connected to cooling unit 600
Schematic illustration, the structure of structure and the above-mentioned A type environmental protection and energy saving zero waste gas emission device for being connected to coarse crushing unit 100
Also all the same, therefore repeat no more.
As a preferred technical solution, due to above-mentioned coarse crushing unit 100, ultramicro grinding unit 200, preceding quenched unit
300, the exhaust gas temperature with higher that extruding unit 400 and cooling unit 600 are discharged, therefore, the A type heat of the present embodiment are returned
Receiving apparatus 3 is also connected with hot water recycling system and/or conduction oil reclaiming system and/or steam production reclaiming system, in which:
For hot water recycling system (or conduction oil reclaiming system), the present embodiment is delivered to the dedusting of A type heat recovery apparatus 3
Purified air first passes through the heat exchanger (such as evaporator) in it, by the heat and compression work in the air after dust separation
Matter swaps, gas temperature decline, until condensate moisture, the moisture condensation, analysis in the temperature dew point that production technology is controlled, gas
Out and it is pooled to water storage disk and introduces production process moisturizing unit into condensation water tank；Pure air after cooling and dehumidifying is (cold
Dry air), cycle operation is carried out by the air inlet that gas recycling duct is circulated back to coarse crushing unit 100 or other units,
The compression working medium that heat is exchanged with hot-air is carry, the high temperature and pressure working medium generated after compressor compresses, into condenser,
It is transferred heat to by indirect heat exchange in the hot water (or conduction oil) that production needs, production needs the hot water of temperature (or to lead
Hot oil) enter entire production system；Extra hot water is pooled to the hot water storage tank of production system, (pass through other heat pump techniques again,
Steam is generated, the steam supply system of production system is returned to.) working medium is compressed by entering back into heat exchange after expansion valve pressure release expansion
Device (evaporator) starts next round circulation.By the above process, it can be realized the heat utilization to exhaust gas, (or led to generate hot water
Hot oil), recycle heat, energy saving.
The hot water of above-mentioned generation can be also used for production steam, specifically: substantially 60 DEG C -90 of the hot water in hot water storage tank
DEG C, the hot water in hot water storage tank is pumped into heat-exchangers of the plate type (evaporator) by hot water, transfers heat to compression working medium, then
Cold end as other unit condensers supplements water, is converted into hot water by the condenser of other units and is again introduced into hot water storage
Tank completes circulation；The compression working medium for obtaining the heat of hot water, becomes high pressure-temperature working medium by high temperature and pressure compressor compresses, so
Enter steam generator (condenser) afterwards, the softened water in steam generator container is transferred heat to by heat exchange, is made soft
Change water and be heated to superheat state, low-pressure steam is generated by depressurizing, flashing phase transformation, into steamdrum, through matched Boiler High Pressure
Steam regulation of texture, conditioning of texture is transported in production system to produce the suitable steam of pressure and temperature.The release of working medium heat is compressed, is led to
It is entered back into heat-exchangers of the plate type (evaporator) after crossing expansion valve pressure release expansion, starts next round circulation.
Reclaiming system is produced for steam, there can be following methods to carry out steam production:
1, the air after dust separation enters A type heat recovery apparatus 3, first passes around the heat in A type heat recovery apparatus 3
Exchanger (evaporator) hands over the heat in the air after dust separation with high temperature carbon dioxide heat pump compression working medium
It changes, gas temperature decline until condensate moisture, the moisture condensation, precipitation in the temperature dew point that production technology is controlled, gas, collects
Production process moisturizing unit is introduced into water storage disk into condensation water tank；Pure air (cold dry air) after cooling and dehumidifying,
Carry out cycle operation by the air inlet that gas recycling duct is circulated back to coarse crushing unit 100 or other units, carry with
The compression working medium of the heat of air exchange after dust separation, the high temperature and pressure working medium generated after compressor compresses enter
Condenser, 90 DEG C -95 DEG C of hot water is produced by indirect heat exchange, and high-temperature-hot-water is rapid by throttling and flash distillation plant, pressure
So decline, undergoes phase transition, and generates low-pressure steam, then low-pressure steam pressurizes by Pistonless compressor and heats up, and is sent into steamdrum, warp
Boiler High Pressure steam regulation of texture, conditioning of texture is transported in production system to produce the suitable steam of pressure and temperature；Compression working medium passes through
It is entered back into heat exchanger (evaporator) after expansion valve pressure release expansion, starts next round circulation.
2, the air after dust separation enters A type heat recovery apparatus 3, first passes around the heat in A type heat recovery apparatus 3
Exchanger (evaporator) hands over the heat in the air after dust separation with high temperature carbon dioxide heat pump compression working medium
It changes, gas temperature decline until condensate moisture, the moisture condensation, precipitation in the temperature dew point that production technology is controlled, gas, collects
Production process moisturizing unit is introduced into water storage disk into condensation water tank；Pure air (cold dry air) after cooling and dehumidifying,
Carry out cycle operation by the air inlet that gas recycling duct is circulated back to coarse crushing unit 100 or other units, carry with
Hot-air exchanges the compression working medium of heat, the high temperature and pressure working medium generated after compressor compresses, into condenser, by indirect
90 DEG C -95 DEG C of hot water is produced in heat exchange, and high-temperature-hot-water is sent to electromagnetism steam generator by high pressure pump valve assemblies, is occurred
Phase transformation generates low-pressure steam, into steamdrum, then through Boiler High Pressure steam regulation of texture, conditioning of texture, so that it is suitable to produce pressure and temperature
Steam, be transported in production system；Compression working medium enters back into heat exchanger (evaporator) after expanding by expansion valve pressure release, opens
Beginning next round circulation.
3, the air after dust separation enters A type heat recovery apparatus 3, first passes around the heat in A type heat recovery apparatus 3
Exchanger (evaporator) hands over the heat in the air after dust separation with high temperature carbon dioxide heat pump compression working medium
It changes, gas temperature decline until condensate moisture, the moisture condensation, precipitation in the temperature dew point that production technology is controlled, gas, collects
Production process moisturizing unit is introduced into water storage disk into condensation water tank；Pure air (cold dry air) after cooling and dehumidifying,
Carry out cycle operation by the air inlet that gas recycling duct is circulated back to coarse crushing unit 100 or other units, carry with
Hot-air exchanges the compression working medium of heat, the high temperature and pressure working medium generated after high temperature and pressure compressor compresses, into condenser,
130 DEG C or so of overheat hot water is produced by indirect heat exchange, overheat hot water generates phase transformation by high-pressure pump pressure release valve module
Low-pressure steam is formed, into steamdrum, then through Boiler High Pressure steam regulation of texture, conditioning of texture, to produce the suitable steaming of pressure and temperature
Vapour is transported in production system；Compression working medium enters back into heat exchanger (evaporator) after expanding by expansion valve pressure release, under starting
One wheel circulation.
Reclaiming system is produced by above-mentioned hot water recycling system (or conduction oil reclaiming system) and steam, it can be further
The heat utilization to exhaust gas is improved, realizes the thermal energy recycling of exhaust gas, by waste gas pollution control and treatment and energy-saving and emission-reduction, thermal energy recycling is organically combined
Together, existing good environmental benefit and social benefit, and have great economic benefit.
In the present embodiment, Figure 12 and Figure 13, the above-mentioned Type B environmental protection and energy saving exhaust gas zero for being connected to drying unit 500 can refer to
Tapping equipment includes deduster 1, the first allocation of the amount of air valve 30, Type B heat recovery apparatus 40, control valve 4, sterilizer 5, eliminated the noise
Filter 6, blower 9 and silencer 10, in which:
Above-mentioned deduster 1, control valve 4, sterilizer 5, silencer-filter 6, blower 9 and silencer 10 structure and
Be arranged position with deduster 1, the control valve 4, sterilizer 5, silencer-filter in A type environmental protection and energy saving zero waste gas emission device
6, the structure and setting position of blower 9 and silencer 10 are identical.
Above-mentioned first allocation of the amount of air valve 30 is connected to deduster 1, and the main road of the first allocation of the amount of air valve 30 is connected to Type B
Heat recovery apparatus 40, bypass are connected between the exhaust outlet of Type B heat recovery apparatus 40 and the air inlet of drying unit 500.Pass through
First allocation of the amount of air valve 30, can be realized in the actual production process according to the needs of process adjustments to have to pass through deduster 1,
The proportion adjustment and accurately distribution that Type B heat recovery apparatus 40 handles all or part of exhaust gas.
The dust-collecting air that above-mentioned Type B heat recovery apparatus 40 is used to distribute the first allocation of the amount of air valve 30 carries out reducing temperature and humidity,
Its structure is structure common in the art, is cooled down, dehumidified and reheated (i.e. utilization recycling to high temperature and humidity exhaust gas
Partial heat reheated).In the present embodiment, which is connected with the first threeway outlet
50, wherein one end of first threeway outlet 50 is connected to Type B heat recovery apparatus 40, and second end is connected to above-mentioned drying unit
500 air inlet, third end are connected to the bypass of above-mentioned first allocation of the amount of air valve 30, pass through the master of the first allocation of the amount of air valve 30
Road, can according to need some or all of high temperature and humidity exhaust gas that discharges drying unit 500 after 1 dedusting of deduster,
It is assigned in above-mentioned Type B heat recovery apparatus 40, the air energy after the cooling of Type B heat recovery apparatus 40, dehumidifying and reheating
Enough bypass distribution with the first allocation of the amount of air valve 30 the come, portion without cooling down, dehumidifying is delivered to dry together after mixing
In the air inlet of dry unit 500, with recyclegas temperature and humidity requirement corresponding under process conditions needed for reaching drying unit 500.
In the present embodiment, above-mentioned drying unit 500 can be vertical structure, be also possible to horizontal type structure.
The present invention also provides a kind of environmental protection and energy saving zero waste gas emission expanded pellet diet production methods, using above-mentioned environmental protection and energy saving
Zero waste gas emission expanded pellet diet production line is produced, successively by feed intake unit, impurity removing unit, coarse crushing unit 100, one
Secondary dosing, pulverizes unit 200, second batch unit, secondary mixed cell, preceding quenched unit at mixed once unit
300, extruding unit 400, drying unit 500, screening unit, rear spray unit, cooling unit 600, screening unit, finished product packing
While unit and warehousing finished products cell processing form expanded pellet diet finished product, coarse crushing unit 100, pulverize unit 200,
The damp and hot exhaust gas that preceding quenched unit 300, extruding unit 400 and cooling unit 600 generate protects section by the A type ring respectively connected
Air quantity distributing valve 2 can be entered after 1 dedusting of deduster of zero waste gas emission device, the main road of allocation of the amount of air valve 2 is by the portion after dedusting
Point or whole dust-collecting air distribute to cooled down in A type heat recovery apparatus 3, dehumidifying to form cold dry air, pass through allocation of the amount of air
A part is not required to the dry and cold sky that damp and hot exhaust gas to be processed and A type heat recovery apparatus 3 are handled according to the technological requirements by the bypass of valve 2
Gas mixing is delivered to corresponding coarse crushing unit 100 together and pulverizes unit 200, preceding quenched unit 300, extruding unit 400
And in the air inlet of cooling unit 600, remainder in A type heat recovery apparatus 3 except heat be transported to hot water recycling system and/
Or conduction oil reclaiming system and/or steam produce reclaiming system.
Meanwhile the damp and hot exhaust gas of the above-mentioned generation of drying unit 500 passes through the dedusting of Type B environmental protection and energy saving zero waste gas emission device
Enter the first allocation of the amount of air valve 30 after device dedusting, the main road of the first allocation of the amount of air valve 30 by part or all of dust-collecting air distribute to
Heated dry air is formed after being cooled down in Type B heat recovery apparatus 40, dehumidified and being reheated, passes through the first allocation of the amount of air valve 30
A part is not required to the heated dry air that damp and hot exhaust gas to be processed and Type B heat recovery apparatus 40 are handled according to the technological requirements by bypass
Mixing is delivered to together in the air inlet of drying unit 500.Remaining heat in Type B heat recovery apparatus 40 is transported to hot water and returns
Reclaiming system is produced with system and/or conduction oil reclaiming system and/or steam.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of environmental protection and energy saving zero waste gas emission expanded pellet diet production line, which is characterized in that be disposed with slightly along production process
Pulverizing unit pulverizes unit, preceding quenched unit, extruding unit, drying unit and cooling unit, the coarse crushing list
A type environmental protection and energy saving zero waste gas emission is equipped on member, ultramicro grinding unit, preceding quenched unit, extruding unit and cooling unit
Device；
The A type environmental protection and energy saving zero waste gas emission device includes the deduster for being connected to the outlet port of each unit, is connected to
The allocation of the amount of air valve of the deduster, and it is connected to the A type heat recovery apparatus of the allocation of the amount of air valve main road, the A type heat
Recyclable device side is connected with threeway outlet, and the threeway exit end is connected to the air inlet of each unit, what each unit generated
The wet exhaust gas of heat forms cold dry air and is delivered to after A type heat recovery apparatus cooling, dehumidifying after the deduster dedusting
The air inlet；The other end that the bypass of the allocation of the amount of air valve is exported with the threeway is connect, and is used for a part without institute
The exhaust gas for stating the processing of A type heat recovery apparatus is directly conveyed with after the cold dry air that A type heat recovery apparatus is handled mixes together
To the air inlet of each unit.
2. environmental protection and energy saving zero waste gas emission expanded pellet diet production line according to claim 1, which is characterized in that the drying
Unit is equipped with Type B environmental protection and energy saving zero waste gas emission device, and the Type B environmental protection and energy saving zero waste gas emission device includes being connected to institute
The deduster for stating the outlet port of drying unit, is connected to the first allocation of the amount of air valve of the deduster, and is connected to institute
The Type B heat recovery apparatus of the first allocation of the amount of air valve main road is stated, Type B heat recovery apparatus side is connected with the first threeway outlet,
The first threeway exit end is connected to the air inlet of the drying unit, and the wet exhaust gas of heat that the drying unit generates is through institute
After stating deduster dedusting, heated dry air is formed through Type B heat recovery apparatus cooling, dehumidifying and after reheating and is delivered to institute
State the air inlet of drying unit；The other end that the bypass of the first allocation of the amount of air valve is exported with first threeway is connect, and is used
In the xeothermic sky for directly handling a part with process Type B heat recovery apparatus without the exhaust gas that the Type B heat recovery apparatus is handled
The air inlet of the drying unit is delivered to after gas mixing together.
3. environmental protection and energy saving zero waste gas emission expanded pellet diet production line according to claim 2, which is characterized in that the A type
Heat recovery apparatus and the Type B heat recovery apparatus are respectively connected with hot water recycling system and/or conduction oil reclaiming system and/or steaming
Vapour produces reclaiming system.
4. environmental protection and energy saving zero waste gas emission expanded pellet diet production line according to claim 2, which is characterized in that the Type B
Environmental protection and energy saving zero waste gas emission device further includes control valve and sterilizer, and the control valve and the sterilizer are along air inlet
Direction is successively set between the first threeway outlet and the air inlet of the drying unit.
5. environmental protection and energy saving zero waste gas emission expanded pellet diet production line according to claim 4, which is characterized in that the Type B
Environmental protection and energy saving zero waste gas emission device further includes blower, and the blower is set to the deduster and the first allocation of the amount of air valve
Between；
Alternatively, the blower is set between the first threeway outlet and the control valve.
6. environmental protection and energy saving zero waste gas emission expanded pellet diet production line according to claim 2, which is characterized in that the air quantity
It is equipped between distributing valve and the A type heat recovery apparatus, between the first allocation of the amount of air valve and the Type B heat recovery apparatus
Silencer-filter.
7. environmental protection and energy saving zero waste gas emission expanded pellet diet production line according to claim 1, which is characterized in that the A type
Environmental protection and energy saving zero waste gas emission device further includes control valve and sterilizer, and the control valve and the sterilizer are along air inlet
Direction is successively set between the threeway outlet and the air inlet of each unit.
8. environmental protection and energy saving zero waste gas emission expanded pellet diet production line according to claim 7, which is characterized in that the A type
Environmental protection and energy saving zero waste gas emission device further includes blower, the blower be set to threeway outlet and the control valve it
Between；
Alternatively, the blower is set between the deduster and the allocation of the amount of air valve.
9. a kind of environmental protection and energy saving zero waste gas emission expanded pellet diet production method is saved using any environmental protection of claim 1-8
Energy zero waste gas emission expanded pellet diet production line carries out expanded pellet diet production, which is characterized in that is successively passing through coarse crushing unit, is surpassing
Crushing of Ultrafine unit, preceding quenched unit, extruding unit, drying unit and cooling unit processing form the same of expanded pellet diet finished product
When, the coarse crushing unit pulverizes the damp and hot exhaust gas that unit, preceding quenched unit, extruding unit and cooling unit generate
Enter air quantity distributing valve, the air quantity after the deduster dedusting of the A type environmental protection and energy saving zero waste gas emission device respectively connected
The main road of distributing valve distributes dust-collecting air some or all of after dedusting to being cooled down in the A type heat recovery apparatus, removed
A part is not required to be processed damp and hot useless by wet formation cold dry air according to the technological requirements by the bypass of the allocation of the amount of air valve
Gas is delivered to the corresponding coarse crushing unit, Ultramicro-powder with the cold dry air mixing that the A type heat recovery apparatus is handled together
Broken unit, preceding quenched unit, extruding unit and cooling unit air inlet in.
10. environmental protection and energy saving zero waste gas emission expanded pellet diet production method according to claim 9, which is characterized in that described
The damp and hot exhaust gas that drying unit generates enters the first air quantity after the deduster dedusting of Type B environmental protection and energy saving zero waste gas emission device
Distributing valve, the main road of the first allocation of the amount of air valve distribute part or all of dust-collecting air to carrying out in Type B heat recovery apparatus
Heated dry air is formed after cooling, dehumidifying and reheating, according to the technological requirements will by the bypass of the first allocation of the amount of air valve
A part, which is not required to damp and hot exhaust gas to be processed, to be mixed with the heated dry air that the Type B heat recovery apparatus is handled and is delivered to institute together
It states in the air inlet of drying unit.
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| CN201811317909.4A CN109198703A (en) | 2018-11-07 | 2018-11-07 | Environmental protection and energy saving zero waste gas emission expanded pellet diet production line and production method |
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