CN210315041U

CN210315041U - Plant fiber production equipment

Info

Publication number: CN210315041U
Application number: CN201920882441.7U
Authority: CN
Inventors: 李亚龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-14
Anticipated expiration: 2029-06-13

Abstract

The utility model provides plant fiber production equipment, which comprises a pre-steaming tank, a tearing machine, a first disc grinder, a reaction bin, a squeezing dehydrator, a centrifugal screen and a fiber forming machine which are communicated in sequence; a liquid outlet of the tearing machine is communicated with a filtrate return port of the pre-steaming tank; and a liquid outlet of the fiber forming machine is communicated with a filtrate return port of the reaction bin. The plant fiber production equipment can make full use of the wastewater in the plant fiber production process, fully takes economic benefits and environmental benefits into consideration, reduces the pulping cost and reduces the environmental pollution.

Description

Plant fiber production equipment

Technical Field

The utility model relates to a plant fiber production facility, specific theory, this plant fiber preparation available raw materials scope is that whole trunk contains 23% -50% fibrous plant, for example straw, structure, reed, bamboo, pine etc. of rice wheat cotton.

Background

The plant fiber is natural renewable organic flocculent fiber substance, most of which is obtained by chemical treatment and mechanical processing of wood raw materials, and the preparation of the plant fiber generally comprises the process steps of wood screening, wood cooking, knot removing screening, oxygen delignification, bleaching and the like. The bleaching of plant fiber is the process of removing lignin, gum, polysaccharide, mixed cell and chromophoric group from fiber by chemical action of chemical preparation and fiber, so as to raise the whiteness of fiber. Both chemical cooking and bleaching processes produce large amounts of waste water, which, if reused, would have good economic and environmental benefits. Therefore, it is necessary to develop a plant fiber production facility which can recycle the wastewater in the process.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at providing a plant fiber production facility that can carry out cyclic utilization to the waste water that produces in self technology to the not enough of prior art.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

a plant fiber production device comprises a raw material cleaning machine, a drying machine, a preparation bin, a pre-steaming tank, a tearing machine, a first disc grinder, a reaction bin, a squeezing dehydrator, a centrifugal screen and a fiber forming machine which are sequentially communicated; a liquid outlet of the tearing machine is communicated with a filtrate return port of the pre-steaming tank; and a liquid outlet of the fiber forming machine is communicated with a filtrate return port of the reaction bin.

Based on the above, a second disc grinder is arranged between the first disc grinder and the reaction bin, and a pulp residue outlet of the centrifugal screen is communicated with a pulp inlet pipeline of the second disc grinder.

Based on the above, the liquid outlet of the fiber forming machine is also communicated with the pulp inlet pipeline of the first disc grinder.

Based on the above, plant fiber production facility still includes the plant system of prepareeing material, the plant system of prepareeing material includes slicer and raw materials cleaning machine, the discharge gate intercommunication of raw materials cleaning machine the tablet entry of evaporating pot in advance, install the de-ironing separator on the slicer, the slicer with transport track between the raw materials cleaning machine passes the dust remover setting.

Based on the above, a hot air recovery device is arranged on the fiber forming machine, a hot air drying device is arranged at a discharge port of the raw material cleaning machine, and a hot air outlet of the hot air recovery device is communicated with an air inlet of the hot air drying device.

Based on the above, a pre-grinding bin is arranged between the tearing machine and the first disc grinder.

Based on the above, the top of the pre-steaming tank is provided with a biological control agent inlet, a filtrate return port and a material sheet inlet; and a discharging interface and a steam inlet are arranged at the bottom of the pre-steaming tank.

Based on the above, the top of feed bin sets up thick liquids entry and the bottom sets up ejection of compact interface before grinding.

Based on the above, the squeezing dehydrator and the pipeline communicated with the centrifugal screen are provided with the water filling port.

Based on the above, the top in reaction storehouse sets up thick liquids entry, design agent entry and filtrating backward flow mouth.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a plant fiber production facility, the filtrating backward flow that flows out among the tearing machine is recycled in going into the pre-steaming tank among this plant fiber production facility, and the liquid that the fiber forming machine flows is recycled in getting into the reaction bin, and not only reduce cost also avoids causing the pollution to the environment.

Further, a second disc grinder can be arranged between the first disc grinder and the reaction bin, and a pulp and slag outlet of the centrifugal screen is communicated with a pulp inlet pipeline of the second disc grinder so as to treat materials which are difficult to defiber; further, the plant fiber production equipment also comprises a plant material preparation system so as to clean, remove dust and remove iron from the raw materials.

Further, a hot air drying device is arranged at a discharge port of the raw material cleaning machine, and plant raw materials are dried before entering the pre-steaming tank, so that the carrying amount of moisture is reduced, and the pre-steaming step is prevented from being polluted by cleaning liquid; furthermore, a hot air recovery device is arranged on the fiber forming machine, a hot air outlet of the hot air recovery device is communicated with an air inlet of the hot air drying device, heat energy is fully recycled, and energy consumption is reduced; further, be provided with the feed bin before grinding between tear machine with first disc mill, can store certain material in the feed bin before grinding, even tear the machine and tear equipment before breaking down, the material in the feed bin before grinding can also support follow-up equipment and continue to work a period.

Drawings

Fig. 1 is a schematic structural diagram of the plant fiber production equipment of the present invention.

In the figure: 1. pre-steaming; 2. and a reaction bin.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

As shown in fig. 1, a plant fiber production device comprises a pre-steaming tank 1, a tearing machine, a first disc grinder, a reaction bin 2, a squeezing dehydrator, a centrifugal screen and a fiber forming machine which are sequentially communicated; a liquid outlet of the tearing machine is communicated with a filtrate return port of the pre-steaming tank; and a liquid outlet of the fiber forming machine is communicated with a filtrate return port of the reaction bin.

In the using process, the plant material sheet and the biological control agent enter the pre-steaming tank and react for a period of time under steam heating, lignin in the material sheet is degraded while the material sheet is softened, then solid materials in the pre-steaming tank sequentially enter the tearing machine and the disc mill to be defibered, the specific surface area is increased, the full contact reaction with a sizing agent in a subsequent reaction bin is facilitated, the materials after the reaction are squeezed and dehydrated, the solid and water after the dehydration are subjected to solid-liquid separation through a centrifugal sieve, liquid is dehydrated to obtain plant fiber clusters meeting the quality requirement after the screening, meanwhile, filtrate flowing out from the tearing machine flows back into the pre-steaming tank for reuse, the liquid flowing out from the fiber forming machine enters the reaction bin for reuse, the cost is reduced, and the environmental pollution is avoided. In this example, a biological enzyme was used as the biological control agent.

And a second disc grinder is arranged between the first disc grinder and the reaction bin, and a pulp residue outlet of the centrifugal screen is communicated with a pulp inlet pipeline of the second disc grinder.

Further, the liquid outlet of the fiber forming machine is also communicated with the pulp inlet pipeline of the first disc grinder.

Preferably, plant fiber production facility still includes the plant system of prepareeing material so that carry out the tablet that the preliminary treatment obtained to the plant material, the plant system of prepareeing material includes slicer and raw materials cleaning machine, the discharge gate intercommunication of raw materials cleaning machine the tablet entry of pre-steaming tank, install the de-ironing separator on the slicer, the slicer with transport track between the raw materials cleaning machine passes the dust remover setting. Specifically, the slicing machine can also be communicated with the raw material cleaning machine through a conveyor belt type filter dust remover.

Preferably, a hot air drying device is arranged at a discharge port of the raw material cleaning machine so as to dry the material sheet cleaned by the raw material cleaning machine, the carrying amount of water is reduced before the material sheet enters the pre-steaming tank, the pre-steaming process is prevented from being polluted, a hot air recovery device is arranged on the fiber forming machine, and a hot air outlet of the hot air recovery device is communicated with an air inlet of the hot air drying device so as to fully utilize heat energy. Specifically, in this embodiment, the hot air recovery device may use a heat exchanger to recover waste heat from heat energy of the fiber forming machine, and then is used to dry the material sheet. In other embodiments, other waste heat recovery devices may be employed as desired.

Further, a pre-grinding bin is arranged between the tearing machine and the first disc grinder, so that certain materials can be stored, accidents of processes or equipment before the first disc grinder can be guaranteed, and subsequent process steps can still continue to run for a period of time.

Specifically, a biological control agent inlet, a filtrate return port and a material sheet inlet are arranged at the top of the pre-steaming tank, and a discharge port and a steam inlet are arranged at the bottom of the pre-steaming tank; the top of the pre-grinding bin is provided with a slurry inlet, and the bottom of the pre-grinding bin is provided with a discharging interface; a water filling port is arranged on a pipeline communicated with the squeezing dehydrator and the centrifugal screen; the top of the reaction bin is provided with a slurry inlet, a setting agent inlet and a filtrate return port.

Further, the liquid outlet of the squeezing dehydrator is also communicated with a filtrate reflux port of the reaction bin, and the main components of the filtrate are unreacted sizing agent and water. In this embodiment, the setting agent is hydrogen peroxide.

The utility model discloses in equipment such as slicer, dust remover, de-ironing separator, raw materials cleaning machine, hot air drying device, hot-blast recovery unit, evaporate jar, tear machine, disc mill, reaction bin, squeeze hydroextractor, centrifugal screen and fiber forming machine in advance, all can adopt the relevant equipment among the prior art, need not pay out creative work, consequently not give unnecessary details.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A plant fiber production equipment is characterized in that: comprises a pre-steaming tank, a tearing machine, a first disc grinder, a reaction bin, a squeezing dehydrator, a centrifugal screen and a fiber forming machine which are communicated in sequence; a liquid outlet of the tearing machine is communicated with a filtrate return port of the pre-steaming tank; and a liquid outlet of the fiber forming machine is communicated with a filtrate return port of the reaction bin.

2. Plant fiber production apparatus according to claim 1, characterized in that: and a second disc grinder is arranged between the first disc grinder and the reaction bin, and a pulp residue outlet of the centrifugal screen is communicated with a pulp inlet pipeline of the second disc grinder.

3. Plant fiber production apparatus according to claim 1 or 2, characterized in that: the liquid outlet of the fiber forming machine is also communicated with the pulp inlet pipeline of the first disc grinder.

4. Plant fiber production apparatus according to claim 3, characterized in that: still include the plant system of prepareeing material, the plant system of prepareeing material includes slicer and raw materials cleaning machine, the discharge gate intercommunication of raw materials cleaning machine the tablet entry of pre-steaming tank, install the de-ironing separator on the slicer, the slicer with transport track between the raw materials cleaning machine passes the dust remover setting.

5. Plant fiber production apparatus according to claim 4, characterized in that: the fiber forming machine is provided with a hot air recovery device, a discharge port of the raw material cleaning machine is provided with a hot air drying device, and a hot air outlet of the hot air recovery device is communicated with an air inlet of the hot air drying device.

6. Plant fiber production apparatus according to claim 4, characterized in that: a pre-grinding bin is arranged between the tearing machine and the first disc grinder.

7. Plant fiber production apparatus according to claim 1, characterized in that: the top of the pre-steaming tank is provided with a biological control agent inlet, a filtrate return port and a material sheet inlet, and the bottom of the pre-steaming tank is provided with a discharge port; and a discharging interface and a steam inlet are arranged at the bottom of the pre-steaming tank.

8. Plant fiber production apparatus according to claim 6, characterized in that: the top of the pre-grinding stock bin is provided with a slurry inlet, and the bottom of the pre-grinding stock bin is provided with a discharging interface.

9. Plant fiber production apparatus according to claim 1, characterized in that: and a water filling port is arranged on a pipeline communicated with the squeezing dehydrator and the centrifugal screen.

10. Plant fiber production apparatus according to claim 1, characterized in that: the top of the reaction bin is provided with a slurry inlet, a setting agent inlet and a filtrate return port.