CN202685084U - Production system for preparing pipes by applying coal ash - Google Patents
Production system for preparing pipes by applying coal ash Download PDFInfo
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- CN202685084U CN202685084U CN2012201655859U CN201220165585U CN202685084U CN 202685084 U CN202685084 U CN 202685084U CN 2012201655859 U CN2012201655859 U CN 2012201655859U CN 201220165585 U CN201220165585 U CN 201220165585U CN 202685084 U CN202685084 U CN 202685084U
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- China
- Prior art keywords
- flyash
- plastic material
- tubing
- production system
- coal ash
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The utility model provides a production system for preparing pipes by applying coal ash. The production system for preparing the pipes by applying the coal ash comprises an extruding machine, a pipe mould and a cooling box, wherein the extruding machine is used for heating a plastic material of the coal ash and extruding the heated plastic material of the coal ash into the pipe mould; the pipe mould is used for molding the extruded-in plastic material of the coal ash and delivering the plastic material of the coal ash into the cooling box; and the cooling box is used for cooling the pipes. The production system provided by the utility model has the advantages that the structure is compact; the use ratio of the coal ash can be increased; the prepared pipes are good in machinability; and flaring bell-and-spigot joint and isometric hot-melt joint can be realized. The production system provided by the utility model is suitable for various construction conditions, and the pipe construction efficiency is greatly increased.
Description
Technical field
The utility model relates to the trade waste field, is specifically related to the production system that a kind of powder application coal ash prepares tubing.
Background technology
Flyash is one of larger industrial residue of the current discharge capacity of China, and along with the development of power industry, the flyash discharge capacity of coal-burning power plant increases year by year.A large amount of flyash does not add processing, will produce airborne dust, atmosphere pollution; Can cause the river to silt up if enter water system, and toxic chemical substance wherein also can work the mischief to human body and biology.Therefore, the comprehensive utilization of flyash is turned waste into wealth, is turned bane into boon, and has become important techno-economic policy in China's economic construction, is to solve China's power generation environmental pollution, the important means of resource shortage contradiction.
At present, China's flyash is generally as cement, mortar or concrete admixture, perhaps replace clay to produce the raw material that cement be who knows as raw material in flyash, make fired brick, steam-pressing aero-concrete, foam concrete, hollow block, sintering or non-sintering ceramsite, but above these methods flyash that all only has been a small amount of interpolation, if the amount of adding is excessive, will affect the performance of its product.Also have flyash is used as the making road, makes up dam body, the backfill of hollow lowland, farmland, Subsidence Land in Coal Mining Area and mine is although a large amount of use flyash can not carry out very sufficient utilization to flyash.
The utility model content
The utility model provides a kind of powder application coal ash to prepare the production system of tubing, can improve the utilization rate of flyash.
The utility model provides a kind of powder application coal ash to prepare the production system of tubing, comprising: extruder, pipe mold, cooler bin;
Described extruder, it is used for adding heat mixture, and the compound after will heating is clamp-oned described pipe mold;
Described pipe mold, it is used for the plastic material of the flyash of clamp-oning is carried out moulding and sends into cooler bin;
Described cooler bin, it is used for cooling tubing.
Preferably, described production system further comprises: mixer, cold mixer and feeder;
Described mixer, it forms the plastic material of flyash for the raw material of the plastic material that stirs described flyash;
Described cold mixer, the compound after it is used for stirring stirs and cools off;
Described feeder, it is used for the plastic material of the flyash of cooling is transferred to described extruder.。
Preferably, described production system further comprises: pipe-expanding machine;
Described pipe-expanding machine, the pipe end enlarging after it is used for cutting.
Preferably, described cooler bin is provided with vacuum subassembly.
Preferably, described vacuum subassembly comprises vavuum pump.
A kind of powder application coal ash that provides by the utility model prepares the production system of tubing, can bring following beneficial effect:
1, realize the extensive application of flyash, improved the utilization rate of flyash, the utility model comprises: extruder, pipe mold, cooler bin; Described extruder, it is used for the plastic material of heating flyash, and the plastic material of the flyash after will heating is clamp-oned described pipe mold; Described pipe mold, it is used for the plastic material of the flyash of clamp-oning is carried out moulding and sends into cooler bin; Described cooler bin, it is used for cooling tubing; Wherein, the plastic material of flyash is raw materials used in parts by weight: flyash 30-80 part, fusion agent 1-4.5 part, resin-oatmeal 20-70 part, stearic acid 0.5-2.5 part, paraffin 0.02-0.1 part;
2, use the tubing good combination property of the utility model preparation, smooth surface, insulation, waterproof, anti-external and internal pressure, acid-alkali-corrosive-resisting, machinability is good, and can realize that the enlarging socket joint connects, isometrical thermosol connects, be applicable to various execution conditions, greatly improved the tubing efficiency of construction;
3, the product of the plastic material preparation of application flyash of the present utility model is reusable, discarded pollution-free, uses to meet drinking water standard, may be used on the fields such as Drinking Water water pipe.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will discuss the accompanying drawing of required use in embodiment or the description of the Prior Art, obviously, only be embodiment more of the present utility model in the technical scheme that is described by reference to the accompanying drawings, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the production system for preparing tubing according to a kind of powder application coal ash of embodiment of the present utility model.
The specific embodiment
Below with reference to accompanying drawing the technical scheme of each embodiment of the present utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment described in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite that does not need creative work, all in the scope that the utility model is protected.
The utility model also provides a kind of powder application coal ash to prepare the production system of tubing, comprising: extruder, pipe mold, cooler bin;
Described extruder, it is used for adding heat mixture, and the compound after will heating is clamp-oned described pipe mold;
Described pipe mold, it is used for the plastic material of the flyash of clamp-oning is carried out moulding and sends into cooler bin;
Described cooler bin, it is used for cooling tubing.
In each embodiment of the present utility model, preferably, described production system further comprises: mixer, cold mixer and feeder;
Described mixer, it forms the plastic material of flyash for the raw material of the plastic material that stirs described flyash;
Described cold mixer, the compound after it is used for stirring stirs and cools off;
Described feeder, it is used for the plastic material of the flyash of cooling is transferred to described extruder.
In each embodiment of the present utility model, preferably, production system further comprises: hauling machine and cutting machine;
Described hauling machine, it is used for cooled tubing is sent into cutting machine;
Described cutting machine, it is used for cutting and shifts the tubing of coming through hauling machine.
In each embodiment of the present utility model, preferably, described production system further comprises: pipe-expanding machine; Described pipe-expanding machine, the pipe end enlarging after it is used for cutting.
In each embodiment of the present utility model, preferably, described cooler bin is provided with vacuum subassembly.
In each embodiment of the present utility model, preferably, described vacuum subassembly comprises vavuum pump.
A kind of powder application coal ash described in the utility model prepares the plastic material of the flyash that relates in the production system of tubing, raw material comprises: flyash, fusion agent, resin-oatmeal, stearic acid, paraffin, wherein, described raw material is in parts by weight: flyash 30-80 part, fusion agent 1-4.5 part, resin-oatmeal 20-70 part, stearic acid 0.5-2.5 part, paraffin 0.02-0.1 part.
In each embodiment of the present utility model, preferably, described raw material is in parts by weight: flyash 35-75 part, fusion agent 1.2-4.3 part, resin-oatmeal 25-65 part, stearic acid 0.6-2.4 part, paraffin 0.03-0.09 part;
In each embodiment of the present utility model, preferably, described raw material percentage is: raw material is in parts by weight: flyash 40-70 part, fusion agent 1.3-4 part, resin-oatmeal 30-60 part, stearic acid 0.65-2.3 part, paraffin 0.04-0.08 part.。
In each embodiment of the present utility model, preferably, it is 100 parts that described flyash and resin-oatmeal are added up.
The plastic material of a kind of flyash of the present utility model can improve the utilization rate of flyash, and the part by weight by conversion flyash can reach more than 60%, realizes the comprehensive utilization of flyash, turns waste into wealth, turns bane into boon.
In each embodiment of the present utility model, preferably, described fineness of pulverized-coal ash is the 80-600 order, such as 80 orders, 90 orders, 100 orders, 110 orders, 120 orders, 130 orders, 140 orders, 150 orders, 180 orders, 200,220 orders, 250 orders, 280 orders, 300 orders, 330 orders, 350 orders, 380 orders, 400 orders, 420 orders, 450 orders, 480 orders, 500 orders, 520 orders, 550 orders, 580 orders or 600 orders, and the scope between any two values wherein.
In each embodiment of the present utility model, preferably, fineness was the 80-600 order when plastic material of described flyash was Powdered, such as 80 orders, 90 orders, 100 orders, 110 orders, 120 orders, 130 orders, 140 orders, 150 orders, 180 orders, 200 orders, 220 orders, 250 orders, 280 orders, 300 orders, 330 orders, 350 orders, 380 orders, 400 orders, 420 orders, 450 orders, 480 orders, 500 orders, 520 orders, 550 orders, 580 orders or 600 orders, and the scope between any two values wherein.
In each embodiment of the present utility model, preferably, size was the 0.5-5 millimeter when plastic material of described flyash was graininess, such as: 0.8 millimeter, 1 millimeter, 1.2 millimeters, 1.5 millimeters, 1.8 millimeters, 2 millimeters, 2.3 millimeters, 2.5 millimeters, 2.8 millimeters, 3 millimeters, 3.3 millimeters, 3.5 millimeters, 3.8 millimeters, 4 millimeters, 4.5 millimeters, 4.8 millimeters or 5 millimeters, and wherein any two the value between scope.
The utility model also provides the production technology of the plastic material of above-mentioned any described flyash to comprise:
Flyash, resin-oatmeal, stearic acid are mixed and formation the first mixture that stirs;
Fusion agent is heated to fluidized state;
Described fusion agent and the paraffin that will be in fluidized state are poured described the first mixture into, stir to form the second mixture;
Described the second mixture stirring is cooled to room temperature.
In each embodiment of the present utility model, preferably, after described the second mixture stirring was cooled to room temperature, described production technology further comprised:
Described the second mixture is heated to the 150-190 degree, makes described the second mixture softening;
Softening described the second mixture is squeezed into strip;
Described the second mixture of strip is cut off also cold cut to room temperature.
The plastic material of the flyash that the utility model is produced has acid-alkali-corrosive-resisting, anti-oxidant, the advantage such as processability is good, can be used for producing the fitting-up products such as tubing, well lid, urban construction guardrail fence, accommodation rail, floor, thermal-insulation baffle plate, isolation light weight wall, bumper, table top.The product of plastic material preparation of using flyash of the present utility model is reusable, discarded pollution-free, uses to meet drinking water standard.
The utility model also provides a kind of tubing of using the plastic material preparation of above-mentioned any described flyash, raw material comprises: flyash, fusion agent, resin-oatmeal, stearic acid, paraffin, wherein, described raw material is in parts by weight: flyash 30-80 part, fusion agent 1-4.5 part, resin-oatmeal 20-70 part, stearic acid 0.5-2.5 part, paraffin 0.02-0.1 part.
The utility model also provides a kind of plastic material of using above-mentioned any flyash to prepare the production technology of tubing, comprising:
The plastic material of flyash is heated to the 150-190 degree, makes the plastic material of described flyash softening;
The plastic material of softening described flyash is clamp-oned Cheng Mo in the pipe mold;
Typing and cooling.
In each embodiment of the present utility model, preferably, described being fixed in vacuum environment finalized the design; In vacuum environment, finalize the design, can prevent that pipe material and airborne other compositions from reacting, and then affect the performance of tubing.The tubing that becomes mould is put into vacuum shaping sleeve carry out the Vacuum shaping cooling, tubing is subject to the effect of outside radial load under the vacuum condition, makes the tubing sidewall round.
In each embodiment of the present utility model, preferably, after described typing and the cooling, the production technology of described tubing further comprises:
With cooled tubing cutting;
With the tubing enlarging after the cutting;
Tubing after the enlarging is packed.
Use the tubing of the plastic material preparation of flyash described in the utility model, have smooth surface, insulation, waterproof, anti-external and internal pressure, acid-alkali-corrosive-resisting, machinability is good, but the enlarging socket joint connects, isometrical thermosol connects, be applicable to various execution conditions, greatly improved the tubing efficiency of construction, good performance indications will progressively replace pvc pipe, PE pipe, cast iron pipe, pipe of cement etc. in the application of part industry.The tubing of plastic material preparation of using flyash of the present utility model is reusable, discarded pollution-free, uses to meet drinking water standard.
The composition situation of the plastic material of flyash is described below by several specific embodiments:
Embodiment 1
A kind of flyash plastic material, raw material are in parts by weight: 70 parts in flyash, 4 parts of fusion agents, 30 parts of resin-oatmeals, 2.3 parts of stearic acid, 0.08 part in paraffin.
Embodiment 2
A kind of flyash plastic material, raw material are in parts by weight: 75 parts in flyash, 4.3 parts of fusion agents, 25 parts of resin-oatmeals, 2.4 parts of stearic acid, 0.09 part in paraffin.
Embodiment 3
A kind of flyash plastic material, raw material are in parts by weight: 65 parts in flyash, 4 parts of fusion agents, 35 parts of resin-oatmeals, 1 part of stearic acid, 0.07 part in paraffin.
Embodiment 4
A kind of flyash plastic material, raw material are in parts by weight: 60 parts in flyash, 3.8 parts of fusion agents, 40 parts of resin-oatmeals, 1.7 parts of stearic acid, 0.065 part in paraffin.
Embodiment 5
A kind of flyash plastic material, raw material are in parts by weight: 55 parts in flyash, 3.4 parts of fusion agents, 45 parts of resin-oatmeals, 1.8 parts of stearic acid, 0.07 part in paraffin.
Embodiment 6
A kind of flyash plastic material, raw material are in parts by weight: 45 parts in flyash, 2.8 parts of fusion agents, 55 parts of resin-oatmeals, 1.65 parts of stearic acid, 0.05 part in paraffin.
Embodiment 7
A kind of flyash plastic material, raw material are in parts by weight: 40 parts in flyash, 2.7 parts of fusion agents, 60 parts of resin-oatmeals, 0.7 part of stearic acid, 0.05 part in paraffin
Embodiment 8
A kind of flyash plastic material, raw material are in parts by weight: 35 parts in flyash, 2 parts of fusion agents, 65 parts of resin-oatmeals, 1.9 parts of stearic acid, 0.03 part in paraffin.
Embodiment 9
A kind of flyash plastic material, raw material are in parts by weight: 30 parts in flyash, 1.5 parts of fusion agents, 70 parts of resin-oatmeals, 0.5 part of stearic acid, 0.09 part in paraffin.
Embodiment 10
A kind of flyash plastic material, raw material are in parts by weight: 80 parts in flyash, 4.5 parts of fusion agents, 20 parts of resin-oatmeals, 1.4 parts of stearic acid, 0.1 part in paraffin.
Lower mask body is described the production technology of the plastic material of above-mentioned any one flyash by an embodiment.
The production technology of the plastic material of pulverous flyash of above-mentioned any composition:
Flyash, resin-oatmeal, stearic acid are mixed and formation the first mixture that stirs;
Fusion agent is heated to fluidized state;
Described fusion agent and the paraffin that will be in fluidized state are poured described the first mixture into, stir to form the second mixture;
Described the second mixture stirring is cooled to room temperature, forms the plastic material of the flyash of pulverulence.
Fineness was the 80-600 order when plastic material of flyash was Powdered.
In vacuum environment, finalize the design, can prevent that pipe material and airborne composition from reacting, and then affect the performance of tubing.
The production technology of the plastic material of the granular flyash of above-mentioned any composition:
Flyash, resin-oatmeal, stearic acid are mixed and formation the first mixture that stirs;
Fusion agent is heated to fluidized state;
Described fusion agent and the paraffin that will be in fluidized state are poured described the first mixture into, stir to form the second mixture;
Described the second mixture stirring is cooled to room temperature;
Described the second mixture is heated to the 150-190 degree, makes described the second mixture softening;
Softening described the second mixture is squeezed into strip;
Described the second mixture of strip is cut off, form the plastic material of granular flyash.Size was the 0.5-5 millimeter when plastic material of flyash was graininess.
The plastic material of granular flyash is cooled to room temperature.
Need to prove that the plastic material of above-mentioned any one flyash may be used to prepare tubing, the material composition that this tubing adopts is identical with the composition of the plastic material of above-mentioned any one flyash.
The production technology of the plastic material production tubing of above-mentioned any one flyash is described below by a specific embodiment:
The plastic material of flyash is heated to the 150-190 degree, makes the plastic material of described flyash softening;
The plastic material of softening described flyash is clamp-oned Cheng Mo in the pipe mold;
With the vacuum shaping sleeve in the tubing immigration cooler bin of one-tenth mould, make tubing quick cooling and shaping under vacuum condition by spray;
With cooled tubing cutting;
With the tubing enlarging after the cutting;
Tubing after the enlarging is packed.
The production system of the tubing of the plastic material of above-mentioned any one flyash preparation, the annexation of its system be as shown in Figure 1:
Step 101 mixer, it is used for stirring raw material, forms compound;
Step 102 cold mixer, the compound after it is used for stirring stirs and cools off;
Step 103 feeder, it is used for shifting the compound after stirring;
Step 104 extruder, it is used for feeder is shifted the mixed material heating that comes and clamp-ons shaper, forms tubing;
Step 105 Vacuum shaping cooler bin, the tubing shift-in vacuum shaping sleeve that it is used for shaper carries out Vacuum shaping and cooling;
Step 106 hauling machine, it is used for the tubing behind the Vacuum shaping is sent into cutting machine;
Step 107 cutting machine, it is used for cutting and shifts the tubing of coming through hauling machine;
Step 108 pipe-expanding machine, the pipe end enlarging after it is used for cutting.
The tubing of the plastic material preparation of flyash of the present utility model, smooth surface, insulation, waterproof, anti-external and internal pressure, acid-alkali-corrosive-resisting, machinability be good, can saw, cut, dig, brill, car, mantle fiber, can weld, bonding, and can realize that the enlarging socket joint connects, isometrical thermosol connects, be applicable to various execution conditions, greatly improved the tubing efficiency of construction, good performance indications will progressively replace pvc pipe, PE pipe, cast iron pipe, pipe of cement etc. in the application of part industry.
Adopt above method, can also production urban construction guard rail, the materials such as fence, bumper, accommodation rail, floor, thermal-insulation baffle plate, isolation light weight wall, table top, just the shaper with tubing is changed to the corresponding shaper cover such as urban construction guard rail, fence, bumper, accommodation rail, floor, thermal-insulation baffle plate, isolation light weight wall, table top.Adopt above method can also produce the products such as well lid, the plastic material of the described flyash that just will soften moves in the well lid mould and is pressed into mould, cools off again.The product of plastic material preparation of using flyash of the present utility model is reusable, discarded pollution-free.
Use the materials such as production urban construction guard rail of the present invention, fence, bumper, accommodation rail, floor, thermal-insulation baffle plate, isolation light weight wall, table top have machinability good, can saw, cut, dig, brill, car, mantle fiber, can weld, the advantage such as bonding.
The utility model has also carried out following test for the performance of the tubing of the plastic material of above-mentioned flyash preparation, as shown in Table 1 and Table 2:
The results of property of the tubing of the plastic material preparation of table 1 flyash
The results of property of the tubing of the plastic material preparation of table 2 flyash
Can find out that by table 1 and table 2 every combination property of the tubing of the plastic material preparation of flyash of the present utility model is better.
The tubing that the plastic material of table 3 flyash prepares soaks the composition table of comparisons front and the rear water of immersion
| Test point | Before the immersion | After the immersion |
| Colourity | ＜5 | ＜5 |
| Turbidity | ＜0.5 | ＜0.5 |
| Smelly and the flavor | Nothing | Nothing |
| The visible nothing of naked eyes | Have no | Have no |
| PH | 8.7 | 8.2 |
| Iron | 0.009 | 0.016 |
| Manganese | 0.009 | 0.01 |
| Copper | ＜0.001 | ＜0.001 |
| Zinc | 0.003 | 0.005 |
| Volatile phenol (in phenol) | 0.002 | 0.002 |
| Arsenic | ＜0.0002 | ＜0.0002 |
| Mercury | 0.001 | 0.004 |
| Chromium (sexavalence) | ＜0.001 | ＜0.001 |
| Plumbous | ＜0.001 | ＜0.001 |
| Silver | ＜0.001 | ＜0.001 |
| Fluoride | ＜0.10 | ＜0.0002 |
| Nitrate (in nitrogen) | ＜0.2 | 0.22 |
| Chloroform | ＜6 | ＜6 |
| Carbon tetrachloride | ＜0.3 | ＜0.3 |
| Aldehydes | ＜0.02 | ＜0.02 |
| Potassium permanganate consumption (with oxymeter) | 0.88 | 1.28 |
Use after testing the tubing of the plastic material preparation of flyash described in the utility model to meet drinking water standard, can be used for drinking water transmission ﹠ distribution equipment and protective materials.
The various embodiment that the utility model provides can be as required in any way mutually combination, the technical scheme that obtains by this combination is also in scope of the present utility model.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also comprises these changes and modification interior.
Claims (6)
1. a powder application coal ash prepares the production system of tubing, it is characterized in that, comprising: extruder, pipe mold, cooler bin;
Described extruder, it is used for the plastic material of heating flyash, and the plastic material of the flyash after will heating is clamp-oned described pipe mold;
Described pipe mold, it is used for the plastic material of the flyash of clamp-oning is carried out moulding and sends into cooler bin;
Described cooler bin, it is used for cooling tubing.
2. a kind of powder application coal ash as claimed in claim 1 prepares the production system of tubing, it is characterized in that described production system further comprises: mixer, cold mixer and feeder;
Described mixer, it forms the plastic material of flyash for the raw material of the plastic material that stirs described flyash;
Described cold mixer, the compound after it is used for stirring stirs and cools off;
Described feeder, it is used for the plastic material of the flyash of cooling is transferred to described extruder.
3. a kind of powder application coal ash as claimed in claim 1 prepares the production system of tubing, it is characterized in that described production system further comprises: hauling machine and cutting machine;
Described hauling machine, it is used for cooled tubing is sent into cutting machine;
Described cutting machine, it is used for cutting and shifts the tubing of coming through hauling machine.
4. a kind of powder application coal ash as claimed in claim 3 prepares the production system of tubing, it is characterized in that described production system further comprises: pipe-expanding machine;
Described pipe-expanding machine, the pipe end enlarging after it is used for cutting.
5. a kind of powder application coal ash as claimed in claim 1 prepares the production system of tubing, it is characterized in that described cooler bin is provided with vacuum subassembly.
6. a kind of powder application coal ash as claimed in claim 5 prepares the production system of tubing, it is characterized in that described vacuum subassembly comprises vavuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201655859U CN202685084U (en) | 2012-04-18 | 2012-04-18 | Production system for preparing pipes by applying coal ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201655859U CN202685084U (en) | 2012-04-18 | 2012-04-18 | Production system for preparing pipes by applying coal ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202685084U true CN202685084U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201655859U Expired - Fee Related CN202685084U (en) | 2012-04-18 | 2012-04-18 | Production system for preparing pipes by applying coal ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202685084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660128A (en) * | 2012-04-18 | 2012-09-12 | 王健波 | Plastic coat ash material and pipe, production technology and production system |
| CN106426847A (en) * | 2016-10-14 | 2017-02-22 | 深圳万发创新进出口贸易有限公司 | Producing system for manufacturing pipe materials through fly ash |
-
2012
- 2012-04-18 CN CN2012201655859U patent/CN202685084U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660128A (en) * | 2012-04-18 | 2012-09-12 | 王健波 | Plastic coat ash material and pipe, production technology and production system |
| CN106426847A (en) * | 2016-10-14 | 2017-02-22 | 深圳万发创新进出口贸易有限公司 | Producing system for manufacturing pipe materials through fly ash |
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