CN212174845U

CN212174845U - Furfural electricity-combined energy source utilization device produced by using Jujun grass

Info

Publication number: CN212174845U
Application number: CN202020434493.0U
Authority: CN
Inventors: 沈中增; 余莉萍; 吴峰; 窦凤玲; 李玲玲
Original assignee: Suzhou Jingtian Airen Environmental Technology Co ltd
Current assignee: Suzhou Jingtian Airen Environmental Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-12-18
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses an utilize furfural electricity federation energy capacity source utilization equipment of huge fungus grass production, including raw materials processing workshop section, hydrolysis workshop section, steam generation workshop section, condensation refining workshop section, water treatment workshop section, the raw materials processing workshop section includes shale shaker and straw rubbing crusher, the hydrolysis workshop section is including hydrolysis reaction cauldron, automatic reagent feeding equipment and sediment liquid splitter, the steam generation workshop section includes steam boiler, steam power generation equipment, steam shunt, the utility model relates to a furfural production technical field. This utilize furfural electricity federation productivity resource utilization equipment of huge fungus grass production, it is little, the purchase price is high to have solved present furfural raw materials corncob's stock, has improved furfural manufacturing cost, and the steam and the electric energy that present furfural manufacture factory used outside to send mostly, need use a large amount of cooling water to cool off the high temperature material simultaneously, this operation cost that has increased furfural production in the intangible, also does not accord with the problem of the development trend of green energy-concerving and environment-protective.

Description

Furfural electricity-combined energy source utilization device produced by using Jujun grass

Technical Field

The utility model relates to a furfural production technical field specifically is an utilize furfural electricity federation capacity source utilization equipment of huge fungus grass production.

Background

Jujuncao, which is named as wangcao, pennisetum hydridum and Juxiangcao; the perennial gramineous upright clustered plant has strong tillering capability, is a high-yield high-quality fungus grass suitable for growth and artificial cultivation in tropical zone, subtropical zone and temperate zone, has the advantages of high plant height, strong stress resistance, high yield, high crude protein and sugar content, uprightness, clustering, developed root system, 3.5 cm of stem thickness, 9-15 cm of internode length, 15 effective tillers, one axillary bud per node, wrapping by leaves, mutual growth of the leaves, 60-132 cm of leaf length, 3.5-6 cm of leaf width, 35 leaves grown in 8 months, 7.08 m of maximum plant height, 50 nodes, 3.25 kg of plant weight, and 521.6 tons of fresh grass per hectare.

In recent years, the industrial development of furfural in China is relatively rapid, the total output accounts for more than 70% of the world, the annual production capacity reaches 40-50 ten thousand tons, the production capacity of each factory is gradually expanded, more factories with annual production scale of more than 5000 tons are provided, the storage of corncobs is difficult to meet the existing market demand, the purchase price is continuously improved, the furfural production cost is directly influenced by the corncob acquisition rate, in order to realize the industrialization and the scale of furfural production, overcome the restriction of corncob acquisition and better utilize biomass power generation projects, and overcome the slag formation phenomenon generated by a furfural slag boiler, a furfural production raw material for replacing corncobs needs to be found urgently in the industry, and meanwhile, the full utilization of energy is realized by utilizing cogeneration, the environment is protected, and the operation cost is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an utilize furfural electricity federation energy resource utilization equipment of huge fungus grass production, the stock of having solved present furfural raw materials corncob is little, the purchase price is high, furfural manufacturing cost has been improved, and the steam and the electric energy that come are sent to the outside mostly use of current furfural manufacture factory, need use a large amount of cooling water to cool off high temperature material simultaneously, this has increased the running cost of furfural production intangibly, also accord with the problem of green energy-concerving and environment-protective development trend.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an utilize furfural electricity federation energy resource utilization equipment of huge fungus grass production, includes raw materials processing workshop section, hydrolysis workshop section, steam generation workshop section, condensation refining workshop section, water treatment workshop section, the raw materials processing workshop section includes shale shaker and straw rubbing crusher, hydrolysis workshop section includes hydrolysis reaction cauldron, automatic reagent feeding equipment and sediment liquid splitter, steam generation workshop section includes steam boiler, steam power generation equipment, steam shunt, condensation refining workshop section includes condensing equipment and distillation crystallization equipment, the water treatment workshop section includes recovery pond, waste water treatment equipment, liquid shunt and heat exchanger.

Preferably, the discharge end of the vibrating screen is connected with the feed inlet of a straw pulverizer, and the straw pulverizer is connected with the feed inlet of the hydrolysis reaction kettle through a feeding machine.

Preferably, the discharge port of the hydrolysis reaction kettle is connected with the feed inlet of the slag-liquid separation equipment, the liquid outlet of the slag-liquid separation equipment is communicated with the hot water inlet of the heat exchanger, the cold water outlet of the heat exchanger is communicated with the recovery tank, the slag outlet of the slag-liquid separation equipment is connected with the feed inlet of the steam boiler through a conveying belt, the gas outlet of the hydrolysis reaction kettle is connected with the gas inlet of the condensation equipment, and the water inlet of the hydrolysis reaction kettle is communicated with the outlet of the liquid flow divider.

Preferably, an air outlet of the steam boiler is communicated with a steam flow divider, an outlet I of the steam flow divider is connected with steam power generation equipment, an outlet II of the steam flow divider is connected with an air inlet of the hydrolysis reaction kettle, and a distribution box is arranged on the outer side of the steam power generation equipment.

Preferably, the liquid outlet of the recovery tank is connected with the liquid inlet of the wastewater treatment equipment, the liquid outlet of the wastewater treatment equipment is connected with the liquid inlet of the liquid flow divider, the first outlet of the liquid flow divider is communicated with the cooling liquid inlet of the condensation equipment, the cooling liquid outlet of the condensation equipment is communicated with the liquid inlet of the steam boiler, the second outlet of the liquid flow divider is communicated with the cold water inlet of the heat exchanger, and the hot water outlet of the heat exchanger is merged into the liquid inlet pipeline of the steam boiler.

Preferably, the automatic dosing device is communicated with a dosing port of the hydrolysis reaction kettle, an outlet of the condensing device is communicated with an inlet of the distillation crystallization device, and a steam outlet of the distillation crystallization device enters an air inlet pipeline of the hydrolysis reaction kettle.

(III) advantageous effects

The utility model provides an utilize furfural electricity federation energy resource utilization equipment of huge fungus grass production. Has the following beneficial effects:

the furfural electricity-linkage energy utilization device utilizing the Jujun grass to produce furfural has the advantages that the Jujun grass replaces the traditional corncobs as raw materials, the yield is high, the price is low, the furfural production cost can be reduced, the support force of furfural slag generated after the Jujun grass is hydrolyzed is stronger, the granularity is better than that of furfural slag generated by the corncobs to produce furfural, the device is more suitable for the combustion of a biomass power plant, the device has the advantages of simple process, convenient operation, high furfural yield and high furfural yield, simultaneously, a furfural slag steam boiler is utilized for combustion, the device can meet the internal power demand by matching with steam power generation equipment, the surplus electric quantity can be accessed into a national power grid, and the internal water treatment equipment can uniformly treat and soften water or production waste liquid, realizes internal water circulation, saves water consumption, avoids the slag formation inside the device, prolongs the service life of the device, the internal, the boiler fuel is saved, the cogeneration can be carried out, the energy is fully utilized, the operation cost is low, and the environmental protection is high.

Drawings

FIG. 1 is a view of the structural section of the present invention;

fig. 2 is a block diagram of the structure principle of the present invention.

In the figure: 1 raw material treatment section, 11 vibrating screens, 12 straw crushers, 2 hydrolysis section, 21 hydrolysis reaction kettles, 22 automatic dosing equipment, 23 slag-liquid separation equipment, 3 steam generation section, 31 steam boiler, 32 steam power generation equipment, 33 steam splitter, 4 condensation refining section, 41 condensation equipment, 42 distillation crystallization equipment, 5 water treatment section, 51 recovery tank, 52 waste water treatment equipment, 53 liquid splitter, 54 heat exchanger, 6 feeding machine, 7 conveying belt and 8 distribution box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a furfural electricity-generation capacity source utilization device utilizing Jujun grass production comprises a raw material processing working section 1, a hydrolysis working section 2, a steam generation working section 3, a condensation refining working section 4 and a water processing working section 5, realizes modularized working section production, is convenient to maintain, repair and install, the raw material processing working section 1 comprises a vibrating screen 11 and a straw grinder 12, the hydrolysis working section 2 comprises a hydrolysis reaction kettle 21, an automatic medicine adding device 22 and a slag-liquid separation device 23, the steam generation working section 3 comprises a steam boiler 31, a steam power generation device 32 and a steam splitter 33, the condensation refining working section 4 comprises a condensation device 41 and a distillation crystallization device 42, the water processing working section 5 comprises a recovery tank 51, a wastewater treatment device 52, a liquid splitter 53 and a heat exchanger 54, meets the operation requirements of the device, realizes the Mejun grass heat-electricity-generation furfural production, and the discharge end of the vibrating screen 11 is connected with a feed inlet of the straw, the purification and crushing of the Jujun grass are realized, the straw crusher 12 is connected with the feed inlet of the hydrolysis reaction kettle 21 through the feeding machine 6, the automatic feeding of the crushed material is realized, the discharge outlet of the hydrolysis reaction kettle 21 is connected with the feed inlet of the slag-liquid separation equipment 23, the slag-liquid separation is realized, the liquid outlet of the slag-liquid separation equipment 23 is communicated with the hot water inlet of the heat exchanger 54, the heat recovery of waste liquid is realized, the cold water outlet of the heat exchanger 54 is communicated with the recovery tank 41, the centralized recovery of waste water is realized, the slag outlet of the slag-liquid separation equipment 23 is connected with the feed inlet of the steam boiler 31 through the conveyer belt 7, the automatic feeding of the boiler is realized, the gas outlet of the hydrolysis reaction kettle 21 is connected with the gas inlet of the condensation equipment 41, the condensation treatment of the hydrolysis products is realized, the water inlet of the hydrolysis reaction kettle 21 is communicated with, the steam diversion is realized, the first outlet of the steam diverter 33 is connected with the steam generating equipment 32 to realize the steam power generation, the second outlet of the steam diverter 33 is connected with the air inlet of the hydrolysis reaction kettle 21 to realize the transportation of the hydrolysate steam, the outer side of the steam generating equipment 32 is provided with a distribution box 8 to facilitate the connection control of an internal circuit and the merging of redundant electric quantity into a national power grid, the liquid outlet of the recovery tank 41 is connected with the liquid inlet of the wastewater treatment equipment 52 to realize the wastewater treatment, the recycling is realized, the water resource is saved, the liquid outlet of the wastewater treatment equipment 52 is connected with the liquid inlet of the liquid diverter 53 to realize the liquid diversion, the first outlet of the liquid diverter 53 is communicated with the cooling liquid inlet of the condensation equipment 41 to realize the condensation, the cooling liquid outlet of the condensation equipment 41 is communicated with the liquid inlet of the steam boiler 31 to realize the water preheating, the, realize the waste liquid heat exchange, the hot water export of heat exchanger 54 merges into steam boiler 31's inlet pipeline, realizes boiler water and preheats, automatic reagent feeding equipment 22 and hydrolysis reaction kettle 21 add the medicine mouth intercommunication, realize that dilute sulphuric acid is automatic to be added, the export of condensing equipment 41 and the import intercommunication of distillation crystallization equipment 42 realize the distillation crystallization, the steam outlet of distillation crystallization equipment 42 and go into hydrolysis reaction kettle 21 air inlet pipeline, realize steam recovery, heat recycle.

A furfural production process: the method comprises the steps of removing impurities from a Jujun grass raw material through a vibrating screen 11, then performing powder material matching with a straw pulverizer 12, then conveying the pulverized material to a hydrolysis reaction kettle 21 through a matching feeding machine 6, performing automatic quantitative addition of dilute sulfuric acid and water addition at the outlet III of a liquid flow divider 53 through a matching automatic dosing device 22, performing hydrolysis reaction, conveying steam generated by a steam boiler to the hydrolysis reaction kettle 21 for conveying hydrolysis products, then condensing through a condensing device 41, and performing distillation crystallization through a distillation crystallization device 42 to obtain a furfural concentrated material.

Cogeneration principle: the furfural residues are matched with the steam boiler 31 to burn, part of steam is generated to generate electricity, the high-temperature liquid after hydrolysis is matched with the heat exchanger 54 and condensation equipment condensate water to preheat softened water, boiler fuel is saved, heat energy is fully utilized, energy is saved, environment is protected, and the running cost is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an utilize furfural electricity federation energy resource utilization equipment of huge fungus grass production, includes raw materials processing workshop section (1), hydrolysis workshop section (2), steam generation workshop section (3), condensation refining workshop section (4), water treatment workshop section (5), its characterized in that: the raw material treatment section (1) comprises a vibrating screen (11) and a straw pulverizer (12), the hydrolysis section (2) comprises a hydrolysis reaction kettle (21), automatic dosing equipment (22) and slag-liquid separation equipment (23), the steam generation section (3) comprises a steam boiler (31), steam power generation equipment (32) and a steam flow divider (33), the condensation refining section (4) comprises condensation equipment (41) and distillation crystallization equipment (42), and the water treatment section (5) comprises a recovery tank (51), wastewater treatment equipment (52), a liquid flow divider (53) and a heat exchanger (54).

2. The device for utilizing the furfural electric-linkage energy production source produced by the pennisetum sinese roxb according to claim 1, characterized in that: the discharge end of the vibrating screen (11) is connected with the feed inlet of the straw crusher (12), and the straw crusher (12) is connected with the feed inlet of the hydrolysis reaction kettle (21) through the feeding machine (6).

3. The device for utilizing the furfural electric-linkage energy production source produced by the pennisetum sinese roxb according to claim 1, characterized in that: the discharge gate of hydrolysis reaction cauldron (21) is connected with the feed inlet of sediment liquid splitter (23), the liquid outlet of sediment liquid splitter (23) and the hot water inlet intercommunication of heat exchanger (54), the cold delivery port and the recovery pond (51) intercommunication of heat exchanger (54), the slag notch of sediment liquid splitter (23) passes through conveyer belt (7) and links to each other with the feed inlet of steam boiler (31), the gas outlet of hydrolysis reaction cauldron (21) links to each other with the air inlet of condensing equipment (41), the water inlet of hydrolysis reaction cauldron (21) and the three intercommunications of export of liquid shunt (53).

4. The device for utilizing the furfural electric-linkage energy production source produced by the pennisetum sinese roxb according to claim 1, characterized in that: the gas outlet of steam boiler (31) communicates with steam flow divider (33), the export one of steam flow divider (33) links to each other with steam power generation equipment (32), the export two of steam flow divider (33) links to each other with the air inlet of hydrolysis reaction cauldron (21), the outside of steam power generation equipment (32) is provided with block terminal (8).

5. The device for utilizing the furfural electric-linkage energy production source produced by the pennisetum sinese roxb according to claim 1, characterized in that: the liquid outlet of the recovery tank (51) is connected with the liquid inlet of the wastewater treatment equipment (52), the liquid outlet of the wastewater treatment equipment (52) is connected with the liquid inlet of the liquid flow divider (53), the first outlet of the liquid flow divider (53) is communicated with the cooling liquid inlet of the condensing equipment (41), the cooling liquid outlet of the condensing equipment (41) is communicated with the liquid inlet of the steam boiler (31), the second outlet of the liquid flow divider (53) is communicated with the cold water inlet of the heat exchanger (54), and the hot water outlet of the heat exchanger (54) is merged into the liquid inlet pipeline of the steam boiler (31).

6. The device for utilizing the furfural electric-linkage energy production source produced by the pennisetum sinese roxb according to claim 1, characterized in that: the automatic medicine feeding device (22) is communicated with a medicine feeding port of the hydrolysis reaction kettle (21), an outlet of the condensing device (41) is communicated with an inlet of the distillation crystallization device (42), and a steam outlet of the distillation crystallization device (42) enters an air inlet pipeline of the hydrolysis reaction kettle (21).