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Calcium carbide powder shaping binder, preparation method thereof and calcium carbide powder shaping method

A molding binder and calcium carbide powder technology, which is applied in the field of calcium carbide powder molding and calcium carbide powder molding binder, can solve the problems of landfill treatment, pollution, environmental transportation, loading and unloading costs, high heat and agglomeration, explosion, etc., and achieve obvious social benefits And economic benefits, improved density, simple process effect

Inactive Publication Date: 2014-11-12
ELION RESOURCE GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the landfill treatment has problems such as polluting the environment and high transportation and handling costs; and in the acetylene generator of general structure, it is strictly forbidden to use calcium carbide powder, because the particle size of this calcium carbide powder is too small, it will decompose immediately when it meets water, and it will generate high heat and condense. blocks, which may promote the spontaneous combustion of acetylene, and cause combustion and explosion when the generator contains air

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] The calcium carbide powder molding binder of the present embodiment is made up of the composition of following parts by weight:

[0066] Calcium lignosulfonate 20,

[0067]Fly ash, its calcium oxide content is 15.9wt% 20,

[0068] calcium carbonate 10,

[0069] Silane coupling agent (KH550) 1,

[0070] Calcium chloride 5;

[0071] The preparation method of the calcium carbide powder molding binder of the present embodiment is as follows:

[0072] According to the above parts by weight, calcium lignosulfonate, fly ash, calcium carbonate, silane coupling agent (KH550) and calcium chloride are taken and mixed uniformly.

[0073] The calcium carbide powder molding binder of the present embodiment is used for the calcium carbide powder molding method, comprises the following steps:

[0074] 1) Add the calcium carbide powder molding binder of this embodiment into the calcium carbide powder, wherein the amount of the binder added is 7% of the mass of the calcium carbide p...

Embodiment 2

[0080] The calcium carbide powder molding binder of the present embodiment is made up of the composition of following parts by weight:

[0081] Calcium lignosulfonate 10,

[0082] Fly ash with a calcium oxide content of 15.9 wt% 10,

[0083] calcium carbonate 8,

[0084] Plant acid monoalkoxy titanate (model LD-27) 2,

[0085] Calcium chloride 5,

[0086] calcium oxide 6.

[0087] The preparation method of the calcium carbide powder molding binder of the present embodiment is as follows:

[0088] According to the above parts by weight, take calcium lignosulfonate, fly ash, calcium carbonate, plant acid type monoalkoxy titanate (model LD-27), calcium chloride and calcium oxide, and mix them evenly.

[0089] The calcium carbide powder molding binder of the present embodiment is used for the calcium carbide powder molding method, comprises the following steps:

[0090] 1) Add the calcium carbide powder molding binder of this embodiment into the calcium carbide powder, where...

Embodiment 3

[0096] The calcium carbide powder molding binder of the present embodiment is made up of the composition of following parts by weight:

[0097] Calcium lignosulfonate 15,

[0098] Fly ash with a calcium oxide content of 15.9 wt% 10,

[0099] calcium carbonate 4,

[0100] Aluminate coupling agent PN-827 3,

[0101] Calcium chloride 5,

[0102] calcium oxide 5.

[0103] The preparation method of the calcium carbide powder molding binder of the present embodiment is as follows:

[0104] According to the above parts by weight, calcium lignosulfonate, fly ash, calcium carbonate, aluminate coupling agent PN-827, calcium chloride and calcium oxide are taken and mixed uniformly.

[0105] The calcium carbide powder molding binder of the present embodiment is used for the calcium carbide powder molding method, comprises the following steps:

[0106] 1) Add the calcium carbide powder molding binder of the present embodiment into the calcium carbide powder, wherein the binder additi...

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Abstract

The invention discloses a calcium carbide powder shaping binder, a preparation method thereof and a calcium carbide powder shaping method. The calcium carbide powder shaping binder comprises, by weight, 1-20 parts of calcium lignin sulphonate, 1-10 parts of calcium carbonate, 1-5 parts of an activator, 1-10 parts of calcium chloride and 1-15 parts of calcium oxide. The calcium carbide powder shaping binder has the advantages of simple and easily available raw materials, and good calcium carbide powder binding effect. Calcium carbide powder pellets made by using the calcium carbide shaping method through using the binder can be directly used in acetylene gas production without reconstructing an acetylene generator and introducing components harmful to the acetylene generator.

Description

technical field [0001] The invention belongs to the field of material molding, and in particular relates to a calcium carbide powder molding binder, a preparation method thereof and a calcium carbide powder molding method. Background technique [0002] The production process of polyvinyl chloride (PVC) is divided into two types: calcium carbide method and ethylene method. my country is rich in coal resources and relatively small in oil reserves. At present, the production of calcium carbide with coal and lime as raw materials, and the production of PVC with calcium carbide as raw materials still account for a large proportion in my country. In the production process of calcium carbide PVC, calcium carbide crushing is the primary process. In order to ensure the safe operation of the acetylene generator and improve the hydrolysis efficiency of calcium carbide, the particle size of calcium carbide is generally required to be 30-50 mm. In the process of crushing and transportin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/00C08K13/02C08K3/26C08K3/16C08K3/36C08K3/22C09K3/22C07C11/24C07C1/00
Inventor 刘建辉周玉生刘珊周明吉郭娟丽
Owner ELION RESOURCE GROUP
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