CN1393122A

CN1393122A - Flowerpot made of plant fibres and its manufacture method

Info

Publication number: CN1393122A
Application number: CN 01113233
Authority: CN
Inventors: 苏建兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-03
Filing date: 2001-07-03
Publication date: 2003-01-29

Abstract

A flowerpot is made up by the plant fibres chosen from straw, stalk, husk, reed, grass, bamboo and wood and urea-formaldehyde adhesive through proportioning, pulverizing, mixing, wetting and die pressing. Its advantages are better water and air permeability and natural degradation of pot body by itself to supplement organic fertilizer.

Description

Flowerpot made of plant fibres and manufacture method thereof

Technical field

The present invention relates to the alms bowl body material component and the manufacture method thereof of flowerpot made of plant fibres.

Background technology

In the prior art, related to the present invention have Chinese patent 95111976.1 ublic specification of application, with the vegetable fiber pulp plate is primary raw material, be equipped with modifier and handle, make flowerpot through vacuum suction net contour forming, not only price is higher relatively for the straw pulp that this technology adopts, and in the straw pulp bleaching process, can produce a large amount of waste water, serious environment pollution is the industry of the strict control development of country, and the straw pulp source is restricted; Also have, the paper mould complex manufacturing of this technology also will expend a large amount of water (can be called the paper pulp method), is subjected to the water resource restriction, and product cost also must be higher; Used filler talcum powder, precipitating reagent aluminum sulfate weakens alms bowl body air-and water-permeable performance in the prescription, is unfavorable for plant strain growth; Therefore, this technology is difficult to widely use.Another relevant Chinese patent 91108365.0 and improved thereafter Chinese patent application 98111945.X, adopt raw material capable of using as feed (stalk, corncob, rice bran etc.) to pulverize back and adhesive, filler, dispersant mixing, tableware and packaging for foodstuff are made in mold pressing, water consumption less (can be called dry method), technology is simple, but, this scheme lacks releasing agent, filler in the prescription such as talcum powder, calcium carbonate, clay and adhesive such as flour, rosin, animal blood do not have good stripping result, realize the suitability for industrialized production difficulty; Identical with Chinese patent application 95111976.1, the filler talcum powder in the prescription, calcium carbonate, clay can make alms bowl body air-and water-permeable performance weaken equally, influence plant strain growth, and therefore, this technology is not suitable for industrialization and makes flowerpot made of plant fibres.Also have Chinese patent application 99113554.7 to form and make pot for growing seedlings by vegetable fiber, binding agent and releasing agent, bonding agent employing flour wherein, alms bowl body useful life is very short, is applicable to grow seedlings and be not suitable for flower planting.

Summary of the invention

The present invention utilizes vegetable fiber to be base-material, is binding agent with urea-formaldehyde moulding compound powder, adopts better simply energy to realize that industrialized process produce a kind of flowerpot made of plant fibres, overcomes above-mentioned defective.

Material component of the present invention is such: flowerpot made of plant fibres is characterized in that alms bowl body material is made up of vegetable fiber and binding agent urea-formaldehyde moulding compound powder (claiming urea-formaldehyde moulding powder again).Wherein: the raw material of vegetable fiber can be selected at least a in agricultural crop straw, cavings, reed, cogongrass, the bamboo and wood for use, considers the factor of environmental protection, general first-selected herbaceous plant and cavings wherein, and as for bamboo and wood, the old material of available recovery; The weight proportion of each component is: vegetable fiber: binding agent=1-1.2: 1.

The manufacture method of above-mentioned flowerpot made of plant fibres is as follows:

1. pulverize: vegetable fiber is crushed to the 30-40 order, and it is too short to pulverize the meticulous fiber that makes, and product intensity weakens, and slightly then fiber is oversize excessively, and the finished product interior is loose, the surface is crude;

2. mix: with vegetable fiber powder, urea-formaldehyde moulding compound powder 1-1.2 by weight ratio: 1 puts into agitator after mixing stirs;

3. humidification: add the water of compound gross weight 3-10% in whipping process, add water while stirring, make compound somewhat moistening, but still keep the loose powder shape, water is difficult for mixing thoroughly at least, and water forms the semi-fluid shape at most, and unfavorable press forming increases the difficulty of anhydrating;

4. die forming: the above-mentioned compound that stirs is added in the mould, the heating pressurization, temperature is controlled at 130-160 ℃, and pressure is at 2-2.8Mpa, and pressure there is no benefit to product too greatly, increases cost on the contrary; Press time is 0.5-2 minute, intermediate exhaust once, urea-formaldehyde moulding compound powder fusing, water evaporates, take out finished product, temperature and press time are the keys that influence is shaped, and the low time of temperature is short, urea-formaldehyde moulding compound powder can not melt, water evaporation quantity is few, can not be shaped; The high time of temperature is long, and the urea-formaldehyde moulding compound can coking.

Advantage applies of the present invention in: compare with the paper pulp method, raw material sources are extensive, and water is few, saved the used energy that dewaters, and cost of manufacture is low; Removed materials such as talcum powder as filler, calcium carbonate, clay in the prescription, the alms bowl body air-and water-permeable performance of making is good, helps plant strain growth; In the vegetative period of flowers, alms bowl is known from experience the additional organic manure that self can decompose gradually as flowers, until disintegrating fully, substitute flour with urea-formaldehyde moulding compound powder and make binding agent, can prolong alms bowl body degradation process and make it to adapt to vegetative period of flowers, treat that the flower growth phase finishes the degraded of alms bowl body, do not need to reclaim, be applicable to a large amount of placement potted flowers and the occasion that afterwards need not netfield is used.

Embodiment

Embodiment 1, prepares a kind of flowerpot made of plant fibres, and the preparation of alms bowl body material: cavings and straw 50kg are ground into 40 purpose powder; Add urea-formaldehyde plastics powder 50kg and insert the agitator mixing, the water that slowly adds 3kg during stirring, after stirring, each take out an amount of compound and inject die cavity, 2 fens clock times of compacting under 130-160 ℃, pressure 2.8Mpa middlely play parting line venting once, the fusing of urea-formaldehyde moulding compound powder, water evaporates, take out finished product, so repeat, can make 120/hour in No. 5 flowerpots.The flowerpot degradation time is about 1 year.

Embodiment 2, prepare a kind of flowerpot made of plant fibres, and the preparation of alms bowl body material: cavings and straw 60kg are ground into 30 purpose powder; Add urea-formaldehyde plastics powder 50kg and insert the agitator mixing, the water that slowly adds 3kg during stirring, after stirring, each take out an amount of compound and inject die cavity, 2 fens clock times of compacting under 130-160 ℃, pressure 2.8Mpa middlely play parting line venting once, the fusing of urea-formaldehyde moulding compound powder, water evaporates, take out finished product, so repeat, can make 120/hour in No. 5 flowerpots.The flowerpot degradation time is about half a year.

Claims

1. flowerpot made of plant fibres is characterized in that alms bowl body material is made up of vegetable fiber and binding agent urea-formaldehyde moulding compound powder, and the raw material of vegetable fiber can be selected at least a in agricultural crop straw, cavings, reed, cogongrass, the bamboo and wood for use; The weight proportion of each component is: vegetable fiber: binding agent=1-1.2: 1.

2. according to the manufacture method of the described flowerpot made of plant fibres of claim 1, it is characterized in that:

2.1 pulverize: vegetable fiber is crushed to the 30-40 order;

2.2 mix: with vegetable fiber powder, urea-formaldehyde moulding compound powder 1-1.2 by weight ratio: 1 puts into agitator after mixing stirs;

2.3 humidification: in whipping process, add the water of compound gross weight 3-10%, add water while stirring, make compound somewhat moistening, but still keep the loose powder shape;

2.4 die forming: the above-mentioned compound that stirs is added in the mould, the heating pressurization, temperature is controlled at 130-160 ℃, pressure is at 2-2.8Mpa, and the press time is 0.5-2 minute, and intermediate exhaust once, the fusing of urea-formaldehyde moulding compound powder, water evaporates are taken out finished product.