CN210796240U - Environment-friendly quicklime slaking device - Google Patents

Abstract

The utility model discloses an environment-friendly quick lime slaking device, including quick lime warehouse, digester body, high pressure backward flow spray gun, pulse sack cleaner and lime hydrate warehouse, the digester body is including going into tuber pipe, venturi and atomizing pipe, the vertical setting of venturi, venturi's lower extreme and income tuber pipe intercommunication, venturi's upper end and atomizing pipe intercommunication, the lower extreme that goes into the tuber pipe are open structure, the lateral wall and the quick lime warehouse intercommunication of going into the tuber pipe, be equipped with high pressure backward flow spray gun on the lateral wall of atomizing pipe, pipeline and pulse sack cleaner intercommunication are passed through to the upper end of atomizing pipe, even have dust exhausting fan on the pulse sack cleaner, the bottom and the lime hydrate warehouse intercommunication of pulse sack cleaner. The problem of adopt screw stirring to mix quicklime powder and water at present, appear mixing inhomogeneous easily is solved, digestion efficiency and effect have been improved, because whole digestion process goes on in relative confined space, avoid causing the pollution to the environment.

Description

Environment-friendly quicklime slaking device

Technical Field

The utility model relates to a quick lime slaking device technical field specifically is an environment-friendly quick lime slaking device.

Background

The quicklime slaker is a special matching device used for absorbent preparation in a semi-dry desulfurization process, quicklime slaking in a sintering batching chamber in ferrous metallurgy industry and other related fields. In the semi-dry desulfurization process field, the slaking efficiency of the quicklime directly affects the desulfurization efficiency and the operation cost of the system, and in the sintering field of the ferrous metallurgy industry, the slaking effect of the quicklime directly affects the quality of the sinter.

At present, a quicklime digester can be divided into one-stage digestion and multi-stage digestion from the digestion level, the one-stage digestion has the defects of short digestion time, low digestion efficiency and the like, and the multi-stage digester is mainly applied to the market at present. Adopts graded water distribution and gradual stirring and mixing. Water is sprayed into the digester, and the mixture is stirred by a propeller, so that the digested water and the powder are not uniformly mixed, the digestion effect is poor, and particularly when excessive water is added, a large amount of steam and powder are generated in the early digestion process, the dust emission exceeds the standard, and the surrounding environment is greatly polluted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be exactly to the above-mentioned not enough that prior art exists, provide an environment-friendly quick lime slaking device, solved and adopted screw stirring to mix quick lime powder and water at present, the inhomogeneous problem of mixing appears easily.

In order to realize the purpose, the utility model provides the following technical scheme:

the utility model provides an environment-friendly quick lime digestion device, includes quick lime warehouse, digester body, high pressure backward flow spray gun, pulse sack cleaner and lime hydrate warehouse, the digester body is including going into tuber pipe, venturi and atomizing pipe, the vertical setting of venturi, venturi's lower extreme and income tuber pipe intercommunication, venturi's upper end and atomizing pipe intercommunication, the lower extreme that goes into the tuber pipe is open structure, the lateral wall and the quick lime warehouse intercommunication of income tuber pipe, be equipped with high pressure backward flow spray gun on the lateral wall of atomizing pipe, pipeline and pulse sack cleaner intercommunication are passed through to the upper end of atomizing pipe, even have dust exhausting fan on the pulse sack cleaner, the bottom and the lime hydrate warehouse intercommunication of pulse sack cleaner.

Preferably, the bottom of the quicklime storage bin is connected with a spiral scale, and the spiral scale is communicated with the air inlet pipe through an obliquely arranged feeding chute.

Preferably, the lower end of the quicklime storage bin is provided with an electric gate valve and a manual gate valve.

Preferably, the bottom of the pulse bag-type dust collector is provided with an ash bucket, and the pulse bag-type dust collector is communicated with the slaked lime storage bin through the ash bucket.

Preferably, the ash bucket is provided with a sampling port and a temperature detection device, and the temperature detection device is a temperature sensor or a thermometer.

Preferably, the bottom of the ash hopper is communicated with the air inlet pipe through a material return pipe, and the feeding end of the material return pipe is higher than the discharging end.

Preferably, an electric gate valve and a manual gate valve are arranged on the feed back pipe.

Preferably, an electric gate valve and a manual gate valve are arranged at the feeding port of the slaked lime storage bin.

Preferably, the dust removal fan is connected with an exhaust pipe and an exhaust pipe, the dust removal fan is communicated with the pulse bag dust collector through the exhaust pipe, and the exhaust pipe is provided with an electromagnetic gate valve.

Compared with the prior art, the beneficial effects of utility model are that:

1. the utility model discloses can realize the intensive mixing of water and quicklime powder, solve and adopt screw stirring to mix quicklime powder and water at present, the inhomogeneous problem of mixing appears easily, improved digestion efficiency and effect, can avoid producing a large amount of steam in digestion, because whole digestion is gone on in relative confined space, can prevent that the dust from wafting into the environment, avoid causing the pollution to the environment.

2. The utility model arranges the ash bucket at the bottom of the pulse bag-type dust collector to facilitate the collection and blanking of the lime powder; set up sample connection and temperature-detecting device on the ash bucket and can detect the digestion state of lime powder, the staff of being convenient for masters the reaction state of lime powder to be convenient for adjust the ratio of quick lime powder and water, ensure digestion quality.

3. The utility model discloses a feed back pipe is with ash bucket and income tuber pipe intercommunication, retrieves the lime powder that will digest incompletely and carries out the secondary digestion, has guaranteed the thoroughness of digestion, has improved digestion quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1-quicklime storage; 2-spiral weighing; 3-a feeding chute; 4-a digester body; 401-air inlet pipe; 402-a venturi tube; 403-an atomizing tube; 5-pulse bag dust collector; 6-ash bucket; 601-a sampling port; 602-temperature detection means; 7-a material return pipe; 8-slaked lime storage; 9-a dust removal fan; 901-an exhaust pipe; 902-an exhaust pipe; 10-electric gate valve; 11-manual gate valve; 12-high pressure reflux spray gun.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, an environment-friendly quicklime slaking device comprises a quicklime storage bin 1, a slaker body 4, a high-pressure backflow spray gun 12, a pulse bag-type dust collector 5 and a slaked lime storage bin 8, wherein the slaker body 4 comprises an air inlet pipe 401, a venturi pipe 402 and an atomizing pipe 403, the venturi pipe 402 is vertically arranged, the lower end of the venturi pipe 402 is communicated with the air inlet pipe 401, the upper end of the venturi pipe 402 is communicated with the atomizing pipe 403, the lower end of the air inlet pipe 401 is of an open structure, the side wall of the air inlet pipe 401 is communicated with the quicklime storage bin 1, the high-pressure backflow spray gun 12 is arranged on the side wall of the atomizing pipe 403, the upper end of the atomizing pipe 403 is communicated with the pulse bag-type dust collector 5 through a pipeline, a dust removal fan 9 is connected with the pulse bag-type dust collector 5, an air exhaust pipe 902 and an exhaust pipe 901, the bottom of the pulse bag-type dust collector 5 is communicated with a slaked lime storage bin 8.

In the using process, negative pressure is pumped by the dust removal fan 9, air flow enters from the bottom of the air inlet pipe 401 to form an air flow path, quicklime powder in the quicklime storage bin 1 enters the air inlet pipe 401 and then enters the venturi pipe 402 under the action of the air flow, due to the horn structure of the venturi pipe 402, the quicklime powder is radially sprayed into the atomizing pipe 403 from the venturi pipe 402, the quicklime powder is uniformly distributed in the atomizing pipe 403 after being highly dispersed by the venturi pipe 402, water mist is sprayed into the atomizing pipe 403 through the high-pressure backflow spray gun 12, after the quicklime powder is atomized, the surface of the quicklime powder is wetted and starts to be rapidly digested, meanwhile, violent rolling, collision and other motions are generated under the action of the air flow, the digestion speed of the quicklime powder is greatly increased, in order to improve the digestion effect, the length of the atomizing pipe 403 can be lengthened, the detention time of the quicklime powder in the atomizing pipe 403 is prolonged, the full digestion of the powder is ensured, the quicklime powder is finally collected by the pulse bag dust collector 5, the digestion reaction time is also prolonged in the process of adsorbing the powder on the bag, the slaked quicklime powder is called slaked lime powder, the slaked lime powder attached to the bag is beaten down through pulse vibration and then falls into a slaked lime storage bin 8.

Carry out digestion treatment to the quicklime powder through above-mentioned step, can realize the intensive mixing of water and quicklime powder, solved and adopted screw stirring to mix quicklime powder and water at present, the inhomogeneous problem of mixing appears easily, improved digestion efficiency and effect, can avoid producing a large amount of steam in digestion process, because whole digestion process goes on in relative confined space, can prevent that the dust from wafting into the environment, avoid causing the pollution to the environment.

For the convenience of feeding, quick lime warehouse 1's lower extreme is equipped with electronic push-pull valve 10 and manual push-pull valve 11, even has spiral balance 2 in quick lime warehouse 1's bottom, and spiral balance 2 is through the feeding chute 3 and the income tuber pipe 401 intercommunication that the slope set up, and it not only can realize defeated material to weigh through spiral balance 2, but also can weigh the quick lime powder, control feeding volume.

In order to facilitate the collection of slaked lime powder, an ash hopper 6 is arranged at the bottom of the pulse bag-type dust collector 5, and the pulse bag-type dust collector 5 is communicated with a slaked lime storage bin 8 through the ash hopper 6.

In order to further improve the digestion quality, the bottom of the ash bucket 6 is communicated with the air inlet pipe 401 through a feed back pipe 7, the feed end of the feed back pipe 7 is higher than the discharge end, the feed back pipe 7 is provided with an electric gate valve 10 and a manual gate valve 11, the ash bucket 6 is provided with a sampling port 601 and a temperature detection device 602, the temperature detection device 602 is a temperature sensor or a thermometer, and the feed port of the slaked lime storage bin 8 is provided with the electric gate valve 10 and the manual gate valve 11. The sampling port 601 can sample slaked lime so as to detect the slaking quality, the slaked lime powder falls on the thermometer along the falling process of the inner wall of the ash bucket 6, the thermometer can detect the temperature of the slaked lime powder, the quicklime powder can generate heat when reacting with water, the reaction state of the quicklime can be judged according to the temperature, and the judgment is carried out according to the temperature range released after the quicklime powder completely reacts, so that the water yield of the high-pressure backflow spray gun 12 is controlled, the thorough slaking of the quicklime powder is met, and the waste of water resources caused by excessive water adding inside the quicklime powder exists; when the detected temperature is lower, the quicklime powder is not completely digested at the moment, the electric gate valve on the slaked lime storage bin 8 is in a closed state, the electric gate valve on the return pipe 7 is in an open state, the half-digested lime powder in the ash hopper 6 enters the air inlet pipe 401 again through the return pipe 7 for secondary digestion, and after the temperature is detected to be qualified, the electric gate valve on the slaked lime storage bin 8 is opened at the moment, the electric gate valve on the return pipe 7 is closed, and the slaked lime powder enters the slaked lime storage bin 8 for storage.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The utility model provides an environment-friendly quick lime slaking device which characterized in that: including quick lime warehouse, digester body, high pressure backward flow spray gun, pulse sack cleaner and lime hydrate warehouse, the digester body is including going into tuber pipe, venturi and atomizing pipe, the vertical setting of venturi, venturi's lower extreme and income tuber pipe intercommunication, venturi's upper end and atomizing pipe intercommunication, the lower extreme of going into the tuber pipe is open structure, the lateral wall and the quick lime warehouse intercommunication of going into the tuber pipe, be equipped with high pressure backward flow spray gun on the lateral wall of atomizing pipe, pipeline and pulse sack cleaner intercommunication are passed through to the upper end of atomizing pipe, even have dust exhausting fan on the pulse sack cleaner, the bottom and the lime hydrate warehouse intercommunication of pulse sack cleaner.

2. The environment-friendly quicklime slaking apparatus as set forth in claim 1, wherein: the bottom of quick lime warehouse even has the spiral title, the spiral is called the feeding chute that sets up through the slope and is communicate with the tuber pipe.

3. The environment-friendly quicklime slaking apparatus as set forth in claim 2, wherein: the lower extreme in quick lime warehouse is equipped with electronic push-pull valve and manual push-pull valve.

4. The environment-friendly quicklime slaking apparatus as set forth in claim 1, wherein: the bottom of the pulse bag-type dust collector is provided with an ash bucket, and the pulse bag-type dust collector is communicated with the slaked lime storage bin through the ash bucket.

5. The environment-friendly quicklime slaking apparatus as set forth in claim 4, wherein: the ash bucket is provided with a sampling port and a temperature detection device, and the temperature detection device is a temperature sensor or a thermometer.

6. The environment-friendly quicklime slaking apparatus as set forth in claim 4 or 5, wherein: the bottom of the ash hopper is communicated with the air inlet pipe through a material return pipe, and the feeding end of the material return pipe is higher than the discharging end.

7. The environment-friendly quicklime slaking apparatus as set forth in claim 6, wherein: and the feed back pipe is provided with an electric gate valve and a manual gate valve.

8. The environment-friendly quicklime slaking apparatus as set forth in claim 3, wherein: an electric gate valve and a manual gate valve are arranged at the feeding port of the slaked lime storage bin.

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