Calcium hydroxide dry digestion production line

By designing a dry calcium hydroxide digestion production line, a three-stage digestion pump and digestion dust collector are used for digestion, and fineness screening is performed using vibration pulses and digestion powder sorters in the powder selection device, which solves the problem of environmental pollution and the fineness of the finished product in the existing calcium hydroxide production process, and achieves efficient and environmentally friendly calcium hydroxide production.

CN222861404UActive Publication Date: 2025-05-13ZHEJIANG CALCIUM TECH CO LTD
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Patent Information

Application Number
CN202421727117.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-05-13
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing calcium hydroxide production process has problems such as serious environmental pollution, the amount of water added cannot be guaranteed, and the fineness of the finished product cannot be guaranteed.

Method used

A calcium hydroxide dry digestion production line was designed, including weighing structure, digestion device, powder selection device, slag discharge device and finished product device. The digestion device uses a three-stage digestion pump for digestion, and is equipped with a digestion dust collector and water pump. The powder selection device uses a vibration pulse and a digestion powder sorter for fine screening.

Benefits of technology

It effectively solves the dust removal problem, ensures the fineness of the selected calcium hydroxide, and controls the third-level digestion and water addition, avoids the harm caused by calcium hydroxide in the open-air water addition, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a calcium hydroxide dry digestion production line, and belongs to the technical field of calcium hydroxide production. Comprising a weighing structure, an external iron warehouse dust remover and an ultrafine pulverizer, the weighing structure comprises a first material storage tank and a second material storage tank, a first electronic belt scale is arranged below the first material storage tank, a second electronic belt scale is arranged below the second material storage tank, and the first electronic belt scale and the second electronic belt scale are arranged in parallel. Outlets in the other sides of the first electronic belt scale and the second electronic belt scale are connected with first feeding augers, outlets in the other sides of the first feeding augers are connected with a digestion device, and an outlet in the other side of the digestion device is connected with an inlet of a digestion elevator and a digestion lifting dust remover. The digestion lifting dust remover is arranged on the front portion of the powder selecting device, dust can be further removed during digestion lifting, and the fineness of the selected calcium hydroxide finished product can be guaranteed through the double arrangement of the digestion powder selecting machine and the powder selecting oiling machine.
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Description

Technical Field

[0001] The utility model relates to the technical field of calcium hydroxide production, in particular to a calcium hydroxide dry digestion production line. Background Art

[0002] Slaked lime can be widely used in water treatment, leather industry, papermaking, industrial boilers, desulfurization, deacidification, chemical building materials and other industries. It has a wide range of applications and a huge amount of usage, so higher requirements are placed on the production of calcium hydroxide. The production of calcium hydroxide has changed from the traditional primitive lime digestion process to the era of continuous production by production equipment, and has gone through multiple development cycles, which is caused by the changes in the deep processing technology of lime. At first, a simple artificial digestion process was used, with low output and poor quality of finished products, which could only meet the needs of the low-end market. With the development of processing technology, lime mixing equipment appeared, which can be used to mix and digest lime with water in the equipment, which is considered an improvement. However, since the equipment belongs to the early products in this field, the performance indexes in all aspects are very low and the efficiency is very low. Later, professional lime digestion equipment appeared. Lime digestion equipment mainly refers to lime digestion machine, also called ash machine, lime smelting machine, lime digester, etc. It is a special equipment for digesting quicklime (calcium oxide) into lime milk or slaked lime powder.

[0003] The traditional method is to add water to calcium hydroxide blocks directly in the open air to complete the digestion reaction and sell them directly, which causes great pollution to the environment, causes dust damage to workers, and the water content of the calcium hydroxide produced cannot be guaranteed. The fineness of the finished product cannot be guaranteed, the calcium content of the finished product cannot be guaranteed, and the production cycle is long.

[0004] Therefore, the present application provides a calcium hydroxide dry digestion production line to meet the demand. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a calcium hydroxide dry digestion production line to solve the existing problems of great environmental pollution, inability to ensure the amount of water added and inability to ensure the fineness of the finished product.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A calcium hydroxide dry digestion production line comprises: a weighing structure, an external iron storage dust collector and an ultrafine grinder, wherein the weighing structure comprises a first storage tank and a second storage tank, a first electronic belt scale is arranged below the first storage tank, a second electronic belt scale is arranged below the second storage tank, the other side outlets of the first electronic belt scale and the second electronic belt scale are both connected to a first feeding auger, the other side outlets of the first feeding auger are connected to a digestion device, the other side outlet of the digestion device is connected to an inlet of a digestion elevator and a digestion elevator dust collector, the outlet of the digestion elevator is connected to a powder selection device, and two outlets of the powder selection device are respectively connected to a slag discharge device and a finished product device.

[0008] The digestion device comprises a first digestion pump and a digestion dust collector, and a second digestion pump is fixedly arranged below the first digestion pump.

[0009] A third digestion pump is fixedly arranged below the second digestion pump, and a water pump is fixedly arranged at the edge of the outer surface of the digestion dust collector.

[0010] The powder selection device comprises a vibration pulse and a digestion powder selection machine, one side of the outer surface of the vibration pulse is fixedly connected to a powder selection fan, and the other side of the outer surface of the vibration pulse is fixedly connected to a powder selection oiler.

[0011] The slag discharge device comprises a slag discharge auger, and the outlet of the slag discharge auger is connected to the inlet of the slag storage.

[0012] The finished product device comprises a finished product auger, the outlet of the finished product auger is connected to a digestion finished product storage, and a second feeding auger is arranged above the digestion finished product storage.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects:

[0014] 1. In the above scheme, the device is provided with a digestion and lifting dust collector at the front of the powder selection device, which can further remove dust during digestion and lifting, and can effectively solve the dust removal problem. A vibration pulse is provided in the powder selection device, which can prevent the internal dust from adhering to the inner wall of the device, and can increase the utilization rate. Through the dual setting of the digestion powder selection machine and the powder selection oiler, the finished fineness of the selected calcium hydroxide can be guaranteed.

[0015] 2. In the above scheme, the device is provided with a digestion device, and three digestion pumps are installed in the digestion device, which can perform three-stage digestion of calcium hydroxide. The three-stage digestion can efficiently digest the calcium hydroxide, and a water pump is provided next to the digestion device to add water during digestion. A digestion dust collector is provided next to the digestion device, which can effectively avoid the harm caused by adding water to calcium hydroxide in the open air. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0017] Figure 1 This is a schematic diagram of the working process of the calcium hydroxide dry digestion production line;

[0018] Figure 2 This is a schematic diagram of the operation of the calcium hydroxide dry digestion production line.

[0019] [Reference Signs]

[0020] 1. Weighing structure; 101. First electronic belt scale; 102. Second electronic belt scale; 103. First storage tank; 104. Second storage tank; 2. First feeding auger; 3. Digestion device; 301. First digestion pump; 302. Second digestion pump; 303. Third digestion pump; 304. Digestion dust collector; 305. Water pump; 4. Digestion lifting dust collector; 5. Digestion elevator; 6. Powder selection device; 601. Powder selection fan, 602. Digestion powder selection machine; 603. Vibrating pulse; 604. Powder selection oiler; 7. Slag discharge device; 701. Slag discharge auger; 702. Slag storage; 8. Finished product device; 801. Finished product auger; 802. Second feeding auger; 803. Digestion finished product storage; 9. External iron storage dust collector; 10. Ultrafine grinder.

[0021] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0022] The calcium hydroxide dry digestion production line provided by the utility model is described in detail below in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are listed as the best and preferred embodiments, and other alternatives can also be used for some technicians in the known technical field; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0023] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0024] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0025] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” means not only “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” means not only “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0026] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0027] like Figure 1 and Figure 2As shown, an embodiment of the utility model provides a calcium hydroxide dry digestion production line, comprising: a weighing structure 1, an external iron storage dust collector 9 and an ultrafine grinder 10, the weighing structure 1 comprises a first storage tank 103 and a second storage tank 104, a first electronic belt scale 101 is arranged below the first storage tank 103, a second electronic belt scale 102 is arranged below the second storage tank 104, the first electronic belt scale 101 and the second electronic belt scale 102 are connected to the first feeding auger 2 at the other side outlet, the first feeding auger 2 is connected to the digestion device 3 at the other side outlet, the digestion device 3 is connected to the inlet of the digestion elevator 5 and the digestion elevator dust collector 4 at the other side outlet, the digestion elevator 5 is connected to the powder selection device 6 at the outlet, the two outlets of the powder selection device 6 are respectively connected to the slag discharge device 7 and the finished product device 8, the external iron storage dust collector 9 is used for external dust The slag in the slag storage 702 is cleaned, the ultrafine crusher 10 grinds the slag in the slag storage 702, the first storage tank 103 and the second storage tank 104 are used to store raw materials, the first electronic belt scale 101 is used to weigh the weight of the raw materials flowing out of the first storage tank 103, and the second electronic belt scale 102 is used to weigh the weight of the raw materials flowing out of the second storage tank 104. The first feeding auger 2 transports the raw materials on the first electronic belt scale 101 and the second electronic belt scale 102 to the digestion device 3, the digestion device 3 digests the raw materials, the digestion elevator 5 lifts the digested calcium hydroxide to the powder selection device 6, the digestion elevator dust collector 4 further removes dust when the digestion elevator 5 is lifted, the powder selection device 6 screens the fineness of the digested calcium hydroxide dust, the slag discharge device 7 transports unqualified calcium hydroxide, and the finished product device 8 transports qualified calcium hydroxide to the finished product storage.

[0028] like Figure 1 and Figure 2 As shown, the digestion device 3 includes a first digestion pump 301 and a digestion dust collector 304. A second digestion pump 302 is fixedly arranged below the first digestion pump 301. The first digestion pump 301 and the second digestion pump 302 are mainly used as reaction chambers and are mainly used for heat preservation treatment. At this time, the water pump 305 adds water to accelerate the reaction speed, and the digestion dust collector 304 removes dust from the environment during digestion to prevent impurities from entering.

[0029] like Figure 1 and Figure 2 As shown, a third digestion pump 303 is fixedly installed below the second digestion pump 302, and a water pump 305 is fixedly installed at the edge of the outer surface of the digestion dust collector 304. The third digestion pump 303 is mainly used as a cooling bin to cool the finished product after the reaction. The water pump 305 can add water to the digestion device 3 to accelerate the reaction.

[0030] like Figure 1 and Figure 2As shown, the powder selection device 6 includes a vibration pulse 603 and a digestion powder selection machine 602. A powder selection fan 601 is fixedly connected to one side of the outer surface of the vibration pulse 603, and a powder selection oiler 604 is fixedly connected to the other side of the outer surface of the vibration pulse 603. The digestion powder selection machine 602 screens the finished products, and the vibration pulse 603 pulses the finished products to prevent them from sticking to the inner wall. The powder selection fan 601 blows up the finished products for easy screening, and the powder selection oiler 604 strengthens the power of the digestion powder selection machine 602 for screening.

[0031] like Figure 1 and Figure 2 As shown, the slag discharge device 7 includes a slag discharge auger 701, the outlet of the slag discharge auger 701 is connected to the inlet of a slag storage 702, and the slag discharge auger 701 transports unqualified products to the slag storage 702, and the slag storage 702 is used to place failed products.

[0032] like Figure 1 and Figure 2 As shown, the finished product device 8 includes a finished product auger 801, and the outlet of the finished product auger 801 is connected to a digestion finished product warehouse 803. A second feeding auger 802 is arranged above the digestion finished product warehouse 803. The finished product auger 801 transports qualified finished products to the digestion finished product warehouse 803. The digestion finished product warehouse 803 is used to place qualified finished products, and the second feeding auger 802 is used to transport the finished products in the digestion finished product warehouse 803.

[0033] The technical solution provided by the utility model is that when working, CaO comes out from the first storage tank 103 and the second storage tank 104, enters the first electronic belt scale 101 and the second electronic belt scale 102 for weighing, enters the first feeding auger 2 after weighing, and then undergoes three-stage digestion through the digestion device 3, a small amount of water is sprayed on the upper part through the water pump 305, and the CaO in the lower part is rotated and transported, and after a total of three cycles, it is lifted into the powder classifier through the elevator, and the powder is classified by the powder classifier fan 601, and powders of different specifications are transported away through different conveyor belts. The largest particles are sent to the slag discharge auger 701, and then enter the slag bin 702, and then ground into fine powder by the ultrafine grinder 10.

[0034] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0035] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.

[0036] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. Calcium hydroxide dry digestion production line, characterized in that, include: A weighing structure (1), an external iron storage dust collector (9) and an ultra-fine pulverizer (10), wherein the weighing structure (1) comprises a first material storage tank (103) and a second material storage tank (104), wherein a first electronic belt scale (101) is arranged below the first material storage tank (103), and a second electronic belt scale (102) is arranged below the second material storage tank (104), wherein the outlets on the other side of the first electronic belt scale (101) and the second electronic belt scale (102) are both connected to a first feeding auger (2), wherein the outlets on the other side of the first feeding auger (2) are connected to a digestion device (3), wherein the outlets on the other side of the digestion device (3) are connected to an inlet of a digestion elevator (5) and a digestion elevator dust collector (4), wherein the outlet of the digestion elevator (5) is connected to a powder selection device (6), and wherein two outlets of the powder selection device (6) are respectively connected to a slag discharge device (7) and a finished product device (8).

2. The calcium hydroxide dry digestion production line according to claim 1, characterized in that: The digestion device (3) comprises a first digestion pump (301) and a digestion dust collector (304), and a second digestion pump (302) is fixedly arranged below the first digestion pump (301).

3. The calcium hydroxide dry digestion production line according to claim 2, characterized in that: A third digestion pump (303) is fixedly arranged below the second digestion pump (302), and a water pump (305) is fixedly arranged at an edge position of the outer surface of the digestion dust collector (304).

4. The calcium hydroxide dry digestion production line according to claim 1, characterized in that: The powder selection device (6) comprises a vibration pulse (603) and a digestion powder selection machine (602), one side of the outer surface of the vibration pulse (603) is fixedly connected to a powder selection fan (601), and the other side of the outer surface of the vibration pulse (603) is fixedly connected to a powder selection oiling machine (604).

5. The calcium hydroxide dry digestion production line according to claim 1, characterized in that: The slag discharge device (7) comprises a slag discharge auger (701), and an outlet of the slag discharge auger (701) is connected to an inlet of a slag storage (702).

6. The calcium hydroxide dry digestion production line according to claim 1, characterized in that: The finished product device (8) comprises a finished product auger (801), the outlet of the finished product auger (801) is connected to a digestion finished product storage (803), and a second feeding auger (802) is arranged above the digestion finished product storage (803).