CN205635406U - Compound fertilizer production system of mixing that energy -saving reduced discharging - Google Patents

Abstract

The utility model discloses a compound fertilizer production system of mixing that energy -saving reduced discharging, material warehouse, material steam mix machine, granulator, drying -machine, dust remover communicate in proper order, pond, air -source heat pump water heater, steam boiler communicate in proper order, and steam boiler and steam steam header are linked together, and steam steam header is linked together with the steam -jet ejector heat pump through steam conduit A, steam conduit B respectively, and fin formula vapor heat exchanger is arranged in to steam conduit B's partial pipeline, and fin formula vapor heat exchanger is linked together with the drying -machine through tuber pipe A, and the steam -jet ejector heat pump is linked together with material steam mix machine through steam conduit C, the dust remover is linked together with fin formula vapor heat exchanger through the tail gas tuber pipe, and steam boiler is linked together with the tail gas tuber pipe through tuber pipe B. The utility model discloses send the hot tail gas that the steam filtration produced into the drying -machine, had both realized tail gas waste heat utilization, reduced the unordered emission of tail gas again, simple cheap realization the energy saving and emission reduction environmental protection.

Description

Can save energy the composite fertilizer production system of reduction of discharging

Technical field

This utility model relates to composite fertilizer production system, particularly relates to a kind of composite fertilizer that can save energy reduction of discharging Production system.

Background technology

At present, market all use steam humidification valve to heat powder in the fertile production process of the compound (conjunction) of main flow The various fertilizer materials of powder, through agglomeration granulation, use coal, natural gas etc. for thermal source by the material after pelletize Make to Tumble Dry, screened, cooling after formed finished product.In this production process, heat utilization rate is low Under, energy consumption cost has accounted for the 30%-50% of production cost.

The fertile production of compound (conjunction) can use disk or rotary drum granulator, owing to this equipment is a kind of open Equipment, the steam being passed through only part has carried out thermal energy exchange with material, so being unable to reach the one-tenth of material Bulb temperature and liquid phase, have impact on quality and the yield of product；Major part vapor evolution aloft, lacks effectively Utilizing, the steam of waste knows from experience the substantial amounts of aerosol of formation at rotary drum, directly affects the observation of staff Sight line, adds operation easier.In the fertile production of compound (conjunction), the thermal source of steam is from coal, natural gas, steams The exhaust temperature of boiler furnace is up to 90-150 degree, and this tail gas the most directly empties, and does not the most utilize, and makes Become energy waste.The fertile production of compound (conjunction) also can use dehydrator, the exhaust temperature one that dehydrator is discharged As at 40-60 degree, directly empty after removing dust washing, lack and effectively utilize, waste the heat energy in tail gas； Possibly together with toxic gas such as substantial amounts of nitrogen, sulfur, carbon dioxide in the tail gas discharged, cause the pollution of environment.

Utility model content

The weak point existed for prior art, the purpose of this utility model is that providing one can save energy subtracts The composite fertilizer production system of row, raw material of mix-compound fertilizer is sent into material steam mixer equably through material warehouse and is added Send into comminutor after temperature, be then passed through conveyer and be transported in dehydrator carry out drying finally give required answering Complex fertilizer finished product；Water in pond is in piping is transported to air energy heat pump water heater, through air energy heat pump Water heater is transported to steam boiler by water pipe after being warmed to 60-80 degree, provides thermal source to make with coal or natural gas Obtaining water and produce high temperature and high pressure steam in steam boiler, this high temperature and high pressure steam is transported to material steam mixer In with material Hybrid Heating；Dehydrator tail gas is transported to cleaner unit, and the tail gas after removing dust device dedusting is through tail After the gas airduct finned vapor heat exchanger of feeding is warmed to technological requirement temperature, drying machine hot air blower is again Being sent to dehydrator, circulate with this, steam boiler tail gas is transported to tail gas airduct by airduct B, through fin Formula vapor heat exchanger is sent in dehydrator after heating up in the lump, and the low temperature that the most finned vapor heat exchanger is discharged is low The high temperature and high pressure steam mixing that pressure steam and condensed water are sent here with steam boiler is sprayed by steam jet heat pump Go out, send into material steam mixer through jet chimney C.

The purpose of this utility model is achieved through the following technical solutions:

A kind of composite fertilizer production system that can save energy reduction of discharging, including material warehouse, material steam mixer, Comminutor, dehydrator, cleaner unit, finned vapor heat exchanger, pond, air energy heat pump water heater, steaming Boiler furnace, steam sub-cylinder and steam jet heat pump, described material warehouse is connected with material steam mixer, Material steam mixer is connected with comminutor, and comminutor is connected with dehydrator by conveyer, dehydrator and Cleaner unit is connected by appendix；Described pond is connected by pipeline with air energy heat pump water heater, empty Gas energy Teat pump boiler is connected by water pipe with steam boiler, and steam boiler and steam sub-cylinder pass through pipeline Being connected, steam sub-cylinder is connected with steam jet heat pump by jet chimney A, and steam sub-cylinder is the most logical Crossing jet chimney B to be connected with steam jet heat pump, the section of tubing of jet chimney B is placed in finned steam In heat exchanger, finned vapor heat exchanger is connected with dehydrator by airduct A, and steam jet heat pump passes through Jet chimney C is connected with material steam mixer；Described cleaner unit is by tail gas airduct and finned steam Heat exchanger is connected, and the tail gas that steam boiler is discharged is connected with tail gas airduct by airduct B；Described tail gas Airduct is provided with dehydrator tail gas air-introduced machine, described airduct A is provided with dehydrator hot air blower, institute State and water pipe is provided with water pump.

In order to this utility model is better achieved, on described tail gas airduct, connection is provided with tail gas funnel, at tail gas It is provided with tail gas regulation valve at chimney and tail gas airduct communicating position.

So that the tail gas that steam boiler is discharged preferably is transported in tail gas airduct, described airduct B pacifies Equipped with blower fan.

As preferably, described jet chimney B is provided with several steam cocks, and all steam cocks are arranged at On jet chimney B outside finned vapor heat exchanger, steam cock is conducive to being pointed in jet chimney B Steam circulation carry out on-off control, thus realize controlling to be transported to steam injection heat by jet chimney B Steam content in pump.

As preferably, described jet chimney A is provided with steam cock, and steam cock is conducive to being pointed to steam Steam circulation in pipeline A carries out on-off control, thus realizes controlling to be transported to steam by jet chimney A Steam content in vapour jet heat pump.

This utility model compared with the prior art, has the following advantages and beneficial effect:

(1) the heating, drying mode of heating used in the novel production fertile to traditional compound (conjunction) of this use is entered Row many is improved, and owing to eliminating the air stove in former technique, thus alleviates staff's amount of labour, fall Low recruitment cost.

(2) this utility model uses heat pump techniques to carry out pre-to steam boiler by air energy heat pump water heater Heat, reduces steam boiler energy consumption.

(3) this utility model uses steam jet heat pump technology to low temperature and low pressure steam and condensing hot air furnace profit With, improve steam thermal energy utilization rate.

(4) this utility model uses the material steam mixer closed to fertilizer material heating and moistening, decreases Waste of steam, reduces steam energy consumption.

(5) dehydrator waste heat from tail gas is recycled by this utility model, is improve the base of utilization efficiency of heat energy On plinth, decrease again the discharge of harmful gas, not only reduce energy consumption cost but also protect environment.

(6) hot exhaust gas that steam boiler is produced by this utility model sends into dehydrator, has both achieved waste heat from tail gas Utilizing, decrease again the unordered discharge of tail gas, the cheapest achieves energy-saving and emission-reduction protection environment.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Wherein, entitled corresponding to the reference in accompanying drawing:

1-material warehouse, 2-material steam mixer, 3-comminutor, 4-conveyer, 5-dehydrator, 6- Cleaner unit, the finned vapor heat exchanger of 7-, 8-pond, 9-air energy heat pump water heater, 10-steam kettle Stove, 11-steam sub-cylinder, 12-appendix, 13-tail gas airduct, 14-tail gas funnel, 15-airduct A, 16 -water pipe, 17-airduct B, 18-jet chimney A, 19-jet chimney B, 20-jet chimney C, 21-steam Jet heat pump, 22-dehydrator tail gas air-introduced machine, 23-dehydrator hot air blower, 24-water pump, 25-steam Switch, 26-tail gas regulation valve, 27-blower fan.

Detailed description of the invention

Below in conjunction with embodiment, this utility model is described in further detail:

Embodiment

As it is shown in figure 1, a kind of composite fertilizer production system that can save energy reduction of discharging, including material warehouse 1, material Steam mixer 2, comminutor 3, dehydrator 5, cleaner unit 6, finned vapor heat exchanger 7, pond 8, Air energy heat pump water heater 9, steam boiler 10, steam sub-cylinder 11 and steam jet heat pump 21, material storage Storehouse 1 is connected with material steam mixer 2, and material steam mixer 2 is connected with comminutor 3, pelletize Machine 3 is connected with dehydrator 5 by conveyer 4, and dehydrator 5 is connected by appendix 12 with cleaner unit 6； Pond 8 is connected by pipeline with air energy heat pump water heater 9, air energy heat pump water heater 9 and steam kettle Stove 10 is connected by water pipe 16, and steam boiler 10 is connected by pipeline with steam sub-cylinder 11, steams Vapour sub-cylinder 11 is connected with steam jet heat pump 21 by jet chimney A18, and steam sub-cylinder 11 is the most logical Crossing jet chimney B19 to be connected with steam jet heat pump 21, the section of tubing of jet chimney B19 is placed in fin In formula vapor heat exchanger 7, finned vapor heat exchanger 7 is connected with dehydrator 5 by airduct A15, steams Vapour jet heat pump 21 is connected with material steam mixer 2 by jet chimney C20；Cleaner unit 6 passes through tail Gas airduct 13 is connected with finned vapor heat exchanger 7, and steam boiler 10 is by airduct B17 and tail gas wind Pipe 13 is connected；Tail gas airduct 13 is provided with dehydrator tail gas air-introduced machine 22, airduct A15 is provided with Dehydrator hot air blower 23, is provided with water pump 24 in water pipe 16.

After metering mixing, material warehouse 1 is uniformly sent into, bottom material warehouse 1 by single or various materials Material steam mixer 2 sent into uniformly by batcher, and the high-pressure and high-temperature steam that steam boiler 10 produces is through steam Low temperature and low pressure steam that jet heat pump 21 is discharged with finned vapor heat exchanger 7 and condensed water send after mixing pressurization Entering material steam mixer 2, mass flow size and material steam according to entering material steam mixer 2 are mixed The temperature height of conjunction machine 2 outlet material and dry and wet situation steam cock 25 regulate how many (things of steam flow Material steam mixer 2 exit is provided with temperature sensor and temperature indicator, its be used for detecting display steam with The temperature of compound is exported after raw material of mix-compound fertilizer mixing), material and steam mix in material steam mixer 2 Uniformly and meet the material of working condition requirement and enter comminutor 3 evenly, by after comminutor 3 pelletize by conveyer 4 Send into dehydrator 5 and carry out drying materials, after drying, just produce Chemical Mixed Fertilizer finished product.Dehydrator 5 is dried Tail gas produced by during is transported to cleaner unit 6 through appendix 12, is then passed through the dedusting of cleaner unit 6 Entering in tail gas airduct 13 after process, the tail gas in tail gas airduct 13 is through finned vapor heat exchanger 7 After heating in airduct A15 is again fed to dehydrator 5, and define the profit again of dehydrator 5 tail gas With, on tail gas airduct 13, connection is provided with tail gas funnel 14 simultaneously, at tail gas funnel 14 with tail gas airduct 13 even Logical position is provided with tail gas regulation valve 26.If the tail gas excess in tail gas airduct 13, then can be by regulation Tail gas regulation valve 26 discharges a part of tail gas.

Water in pond 8 is in piping is transported to air energy heat pump water heater 9, through air energy heat pump heat Hydrophone 9 delivers to steam boiler 10 by water pipe defeated 16 after being warmed to 60-80 degree, provides heat with coal or natural gas Source makes water produce high temperature and high pressure steam in steam boiler 10, and this high temperature and high pressure steam is through steam sub-cylinder 11 are divided into two parts, and a part is in jet chimney A18 is transported to steam jet heat pump 21, and a part flows Entering in jet chimney B19, the steam in jet chimney B19 is to being carried the tail come by tail gas airduct 13 Gas carries out heat exchange process and ultimately becomes low temperature and low pressure steam, and low temperature and low pressure steam is then transported to steam Jet heat pump 21 mixes through jet chimney with the high temperature and high pressure steam come through jet chimney A18 conveying C20 is ejected in material steam mixer 2 and mixes with raw material of mix-compound fertilizer.The tail that steam boiler 10 produces Gas mixes in airduct B17 is transported to tail gas airduct 13 and with dehydrator tail gas in tail gas airduct 13, mixed Gas after conjunction provides the heat needed for dehydrator 5 for dehydrator 5 after finned vapor heat exchanger 7 heats Amount.

As it is shown in figure 1, be provided with blower fan 27 in airduct B17, blower fan 27 would be more advantageous in by steam boiler Tail gas in 10 is transported in tail gas airduct 13 mix.

As it is shown in figure 1, jet chimney B19 is provided with several steam cocks 25, all steam cocks 25 set It is placed on the jet chimney B19 outside finned vapor heat exchanger 7.It is provided with on jet chimney A18 simultaneously Steam cock 25.Further, jet chimney C20 is provided with several steam cocks 25.Steam according to entering material The temperature height of the mass flow size of vapour mixer 2 and material steam mixer 2 outlet material and dry and wet feelings Condition steam cock 25 regulates the number of steam flow, and (material steam mixer 2 exit is provided with temperature sensing Device and temperature indicator, it exports the temperature of compound with raw material of mix-compound fertilizer for detecting after display steam mixes Degree), by regulating each steam cock 25, thus reach to control Chemical Mixed Fertilizer mixed material and the temperature of outlet material Degree height.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should Within being included in protection domain of the present utility model.

Claims (5)

1. the composite fertilizer production system that can save energy reduction of discharging, it is characterised in that: include material warehouse (1), Material steam mixer (2), comminutor (3), dehydrator (5), cleaner unit (6), finned steaming Vapour heat exchanger (7), pond (8), air energy heat pump water heater (9), steam boiler (10), steam Sub-cylinder (11) and steam jet heat pump (21), described material warehouse (1) and material steam mixer (2) Being connected, material steam mixer (2) is connected with comminutor (3), and comminutor (3) passes through conveyer (4) connecting with dehydrator (5), dehydrator (5) is connected by appendix (12) with cleaner unit (6) Logical；Described pond (8) is connected by pipeline with air energy heat pump water heater (9), air energy heat pump heat Hydrophone (9) is connected by water pipe (16) with steam boiler (10), and steam boiler (10) divides with steam Cylinder (11) is connected by pipeline, and steam sub-cylinder (11) is sprayed with steam by jet chimney A (18) Penetrating heat pump (21) to be connected, steam sub-cylinder (11) is also by jet chimney B (19) and steam injection warm Pump (21) is connected, and the section of tubing of jet chimney B (19) is placed in finned vapor heat exchanger (7), Finned vapor heat exchanger (7) is connected with dehydrator (5) by airduct A (15), steam jet heat pump (21) it is connected with material steam mixer (2) by jet chimney C (20)；Described cleaner unit (6) Being connected with finned vapor heat exchanger (7) by tail gas airduct (13), steam boiler (10) passes through wind Pipe B (17) is connected with tail gas airduct (13)；Described tail gas airduct (13) is provided with dehydrator tail gas Air-introduced machine (22), is provided with dehydrator hot air blower (23), described water pipe in described airduct A (15) (16) water pump (24) is installed in.

2. according to the composite fertilizer production system that can save energy reduction of discharging described in claim 1, it is characterised in that: The upper connection of described tail gas airduct (13) is provided with tail gas funnel (14), at tail gas funnel (14) and tail gas wind It is provided with tail gas regulation valve (26) at pipe (13) communicating position.

3. according to the composite fertilizer production system that can save energy reduction of discharging described in claim 1, it is characterised in that: Described airduct B (17) is provided with blower fan (27).

4. according to the composite fertilizer production system that can save energy reduction of discharging described in claim 1, it is characterised in that: Described jet chimney B (19) is provided with several steam cocks (25), and all steam cocks (25) are arranged On the jet chimney B (19) that finned vapor heat exchanger (7) is outside.

5. according to the composite fertilizer production system that can save energy reduction of discharging described in claim 1, it is characterised in that: Described jet chimney A (18) is provided with steam cock (25).