Calcium hydroxide digestion bin convenient for heat discharge

Abstract

The utility model relates to the field of digestion bins, in particular to a calcium hydroxide digestion bin convenient for heat discharge, the calcium hydroxide digestion bin comprises a digestion barrel body, an outer cooling barrel and an inner cooling barrel, the digestion barrel body is internally provided with a digestion chamber, the digestion chamber is used for quick lime digestion, and the digestion chamber is internally provided with a stirring shaft; the outer cooling barrel is arranged on the peripheral surface of the digestion barrel body, an outer cooling cavity is arranged between the outer cooling barrel and the digestion barrel body, and the outer cooling cavity is used for allowing a refrigerant to pass through; the inner cooling cylinder is arranged in the digestion chamber, an inner cooling chamber is formed in the inner cooling cylinder, and a refrigerant is introduced into the inner cooling chamber. The quick lime slaking device has the effect that the slaking bin is not easily damaged by heat generated during slaking of quick lime.

Description

Technical Field

[0001] The present application relates to the field of digestion bins, and in particular to a calcium hydroxide digestion bin that facilitates heat discharge. Background Art

[0002] Calcium hydroxide is a common chemical product that needs to be produced by digesting quicklime in a digestion bin. In the existing related art, the digestion bin can refer to the utility model patent with announcement number CN 21360825 U and announcement date of 2021.05.11. This utility model patent discloses a quicklime digestion machine, including a digestion barrel, a stirring shaft and a motor. The digestion barrel is used for digesting quicklime, and the stirring shaft is arranged in the digestion barrel and driven by a motor so that when the quicklime is digested, the quicklime powder and water are stirred by the stirring shaft, thereby ensuring that the quicklime is fully digested.

[0003] Regarding the above-mentioned related technologies, a large amount of heat is generated during the digestion of quicklime, which makes the digestion bin easily damaged due to excessive temperature. Summary of the Invention

[0004] In order to prevent the digestion bin from being damaged by the heat generated during the digestion of quicklime, the present application provides a calcium hydroxide digestion bin that facilitates heat discharge.

[0005] The present application provides a calcium hydroxide digestion bin that facilitates heat discharge and adopts the following technical solution:

[0006] A calcium hydroxide digestion bin that facilitates heat discharge comprises a digestion barrel, an outer cooling cylinder and an inner cooling cylinder. A digestion chamber is provided inside the digestion barrel for digesting quicklime. A stirring shaft is provided inside the digestion chamber.

[0007] The external cooling cylinder is arranged on the outer peripheral surface of the digestion barrel body, and an external cooling chamber is provided between the external cooling cylinder and the digestion barrel body, and the external cooling chamber is used to pass the refrigerant;

[0008] The inner cooling cylinder is arranged inside the digestion chamber, and the inner cooling cylinder is provided with an inner cooling chamber, and the inner cooling chamber is used for passing a refrigerant.

[0009] By adopting the above technical solution, refrigerant is introduced into the external cooling chamber and the internal cooling chamber, so that the heat generated during the digestion of quicklime is taken away by the refrigerant in time, thereby making the digestion bin less likely to be damaged by the heat generated during the digestion of quicklime.

[0010] Optionally, an external spiral guide plate is provided in the external cooling chamber, the external cooling cylinder and the digestion barrel body are both connected to the external spiral guide plate, and an external spiral channel is formed between the external spiral guide plate, the external cooling cylinder and the digestion barrel body, the external cooling cylinder is provided with an external input pipe and an external output pipe, and the external input pipe and the external output pipe are respectively connected to the two ends of the external spiral channel.

[0011] By adopting the above technical solution, the outer spiral channel prolongs the contact time between the refrigerant and the outer peripheral surface of the digestion barrel, which is conducive to further ensuring that the heat generated during the digestion of quicklime is taken away by the refrigerant in time.

[0012] Optionally, the height dimension of the output end of the external input tube is smaller than the height dimension of the output end of the external output tube.

[0013] By adopting the above technical solution, the refrigerant flows from the bottom of the outer spiral channel from bottom to top, and finally flows out from the top of the outer spiral channel. On the one hand, the contact area with the refrigerant is increased, and on the other hand, the contact time between the refrigerant and the outer peripheral surface of the digestion barrel is further prolonged, which is conducive to further ensuring that the heat generated during the digestion of quicklime is taken away in time by the refrigerant.

[0014] Optionally, the inner cooling cylinder is provided with an inner output pipe and an inner input pipe, one end of the inner refrigerant discharge pipe is located inside the inner cooling chamber, and the other end of the inner refrigerant discharge pipe is located outside the inner cooling chamber, the inner cooling chamber is provided with an inner spiral guide plate, the inner cooling cylinder and the inner refrigerant discharge pipe are both connected to the inner spiral guide plate, an inner spiral channel is formed between the inner spiral guide plate, the inner cooling cylinder and the inner refrigerant discharge pipe, and the inner output pipe and the inner input pipe are respectively connected to the two ends of the inner spiral channel.

[0015] By adopting the above technical solution, the inner spiral channel prolongs the contact time between the refrigerant and the inner cooling cylinder, which is conducive to further ensuring that the heat generated during the digestion of quicklime is taken away by the refrigerant in time.

[0016] Optionally, the height dimension of the output end of the inner input tube is smaller than the height dimension of the input end of the inner output tube.

[0017] By adopting the above technical solution, the refrigerant flows from the bottom of the inner spiral channel from bottom to top, and finally flows out from the top of the inner spiral channel. On the one hand, the contact area with the refrigerant is increased, and on the other hand, the contact time between the refrigerant and the inner cooling cylinder is further prolonged, which is conducive to further ensuring that the heat generated during the digestion of quicklime is taken away by the refrigerant in time.

[0018] Optionally, the top of the inner cooling cylinder is spherical.

[0019] By adopting the above technical solution, the occurrence of excessive quicklime or calcium hydroxide deposited on the top of the inner cooling cylinder is reduced.

[0020] Optionally, the internal cooling cylinder can be detachably installed on the digestion barrel body.

[0021] By adopting the above technical solution, it is convenient to clean the inner cooling cylinder and the inner wall of the digestion chamber.

[0022] Optionally, an atomizing nozzle is provided in the digestion chamber, and the atomizing nozzle is used to spray water mist into the digestion chamber.

[0023] By adopting the above technical solution, it is helpful to reduce the quicklime dust floating inside the digestion chamber, thereby helping to ensure the quicklime digestion efficiency.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. By introducing refrigerant into the external cooling chamber and the internal cooling chamber, the heat generated during the digestion of quicklime is promptly taken away by the refrigerant, thereby preventing the digestion chamber from being damaged by the heat generated during the digestion of quicklime;

[0026] 2. The refrigerant flows from the bottom of the inner spiral channel upwards and finally flows out from the top of the inner spiral channel. On the one hand, it increases the contact area with the refrigerant and on the other hand, it further prolongs the contact time between the refrigerant and the inner cooling cylinder, thus ensuring that the heat generated by the quicklime digestion is promptly removed by the refrigerant.

[0027] 3. It is convenient to clean the inner cooling cylinder and the inner wall of the digestion chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an overall schematic diagram of the overall structure of the embodiment of the present application.

[0029] Figure 2 It is a cross-sectional schematic diagram of the overall structure of the embodiment of the present application.

[0030] Figure 3 yes Figure 1 An enlarged schematic diagram of part A.

[0031] Explanation of the accompanying symbols: 1. Digestion barrel; 101. Digestion chamber; 11. Stirring shaft; 12. Feed hopper; 13. Liquid inlet pipe; 14. Pressure relief valve; 15. Atomization pipe; 151. Atomization nozzle; 2. External cooling cylinder; 201. External spiral channel; 21. External input pipe; 22. External output pipe; 23. External spiral guide plate; 3. Internal cooling cylinder; 301. Internal spiral channel; 31. Flange; 32. Sealing rubber ring; 33. Internal output pipe; 34. Internal input pipe; 35. Internal spiral guide plate. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-3This application is described in further detail.

[0033] The present application embodiment discloses a calcium hydroxide digestion chamber that facilitates heat discharge. Figure 1 The calcium hydroxide digestion bin for facilitating heat discharge includes a digestion barrel body 1, an outer cooling cylinder 2 and an inner cooling cylinder 3.

[0034] Reference Figure 1 The digestion barrel 1 has a digestion chamber 101 formed inside it, which is used to digest the quicklime. Two stirring shafts 11 are installed in the digestion chamber 101. These stirring shafts 11 are driven by two motors located at the top of the digestion barrel 1 to stir the quicklime during digestion. In addition, a discharge port is provided at the bottom of the digestion barrel 1 to facilitate discharge of the product from the digestion chamber 101.

[0035] Reference Figure 1 A feed hopper 12 and a liquid inlet pipe 13 are fixedly connected to the top of the digestion barrel 1. The feed hopper 12 is used to add quicklime to the digestion chamber 101, and the liquid inlet pipe 13 is used to add water to the digestion chamber 101. The liquid inlet pipe 13 has two output ends, which are distributed horizontally so that the water added to the digestion chamber 101 is added to the bottom of the digestion chamber 101 from two different locations.

[0036] Reference Figure 1 A pressure relief valve 14 is also fixedly connected to the top of the digestion barrel 1 to facilitate the timely discharge of carbon dioxide and water vapor generated in the digestion chamber 101, thereby reducing the occurrence of excessive internal pressure in the digestion chamber 101. An atomization pipe 15 is fixedly connected to the digestion chamber 101, and a plurality of atomization nozzles 151 are fixedly connected to the atomization pipe 15 to spray water mist into the digestion chamber 101 through the atomization nozzles 151, thereby settling the quicklime dust in the digestion chamber 101 and reducing the temperature in the digestion chamber 101.

[0037] Reference Figure 1 and Figure 2 The outer cooling cylinder 2 is fixedly mounted on the outer peripheral surface of the digestion barrel 1, and an outer cooling chamber for passing a refrigerant is provided between the outer cooling cylinder 2 and the digestion barrel 1. In the embodiment of the present application, the type of refrigerant is cooling water, which will not be described in detail later.

[0038] An outer spiral guide plate 23 is provided in the outer cooling chamber. The outer cooling tube 2 and the digestion barrel 1 are both fixedly connected to the outer spiral guide plate 23. An outer spiral channel 201 is formed between the outer spiral guide plate 23, the outer cooling tube 2 and the digestion barrel 1. The outer spiral channel 201 extends spirally in the vertical direction. The outer cooling tube 2 is fixedly connected to an outer input pipe 21 and an outer output pipe 22. The outer input pipe 21 is located at the bottom of the outer cooling tube 2, and the outer output pipe 22 is located at the top of the outer cooling tube 2. The outer input pipe 21 and the outer output pipe 22 are both connected to the outer spiral channel 201. This allows the refrigerant to be introduced into the input end of the outer input pipe 21, which is smaller in height than the input end of the outer output pipe 22, and then the refrigerant flows from bottom to top along the outer spiral channel 201, thereby ensuring that the heat generated during the quicklime digestion is promptly removed by the refrigerant.

[0039] Reference Figure 1 The inner cooling cylinder 3 is located inside the digestion chamber 101, and the top of the inner cooling cylinder 3 is spherical, so that quicklime or calcium hydroxide is not easily deposited on the top of the inner cooling cylinder 3. The inner cooling cylinder 3 can be detachably installed at the bottom of the digestion barrel 1. Specifically, combined with Figure 3 The inner cooling cylinder 3 is connected to the bottom of the digestion barrel 1 via a flange 31 and a bolt flange, allowing for easy removal from the digestion barrel 1 when cleaning the inner cooling cylinder 3 and the inner wall of the digestion chamber 101 is required. A sealing rubber ring 32 is provided between the flange 31 and the digestion barrel 1 to prevent leakage of the calcium hydroxide suspension in the digestion chamber 101.

[0040] Reference Figure 1 and Figure 2 The inner cooling tube 3 defines an inner cooling chamber for circulating refrigerant, and is fixedly connected to an inner output pipe 33 and an inner input pipe 34. The inner input pipe 34 is located at the bottom of the inner cooling tube 3, and the output end of the inner input pipe 34 is connected to the bottom of the inner cooling chamber. The inner output pipe 33 is arranged vertically, with the top end (i.e., the input end) of the inner output pipe 33 located inside the inner cooling chamber, and the other end (i.e., the output end) of the inner output pipe 33 located outside the inner cooling chamber, thereby discharging the refrigerant from the inner cooling chamber after absorbing sufficient heat.

[0041] Reference Figure 1 and Figure 2The inner cooling chamber is provided with an inner spiral guide plate 35. The inner cooling cylinder 3 and the inner refrigerant discharge pipe are both fixedly connected to the inner spiral guide plate 35. An inner spiral channel 301 is formed between the inner spiral guide plate 35, the inner cooling cylinder 3, and the inner refrigerant discharge pipe. The inner spiral channel 301 extends in a spiral direction, and its two ends are respectively connected to the output end of the inner input pipe 34 and the input end of the inner output pipe 33. This facilitates the introduction of refrigerant into the input end of the inner input pipe 34, which is smaller in height than the input end of the inner output pipe 33, and thus allows the refrigerant to flow from bottom to top along the inner spiral channel 301, thereby ensuring that the heat generated during the slaking of the quicklime is promptly removed by the refrigerant.

[0042] The implementation principle of a calcium hydroxide digestion bin that facilitates heat discharge in an embodiment of the present application is as follows: by introducing a refrigerant into the outer spiral channel 201 and the inner spiral channel 301, the heat generated during the digestion of the quicklime is promptly taken away by the refrigerant, thereby making the digestion bin less susceptible to damage due to the heat generated during the digestion of the quicklime.

[0043] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A calcium hydroxide digestion bin that facilitates heat discharge, characterized in that: The invention comprises a digestion barrel (1), an external cooling cylinder (2) and an internal cooling cylinder (3); a digestion chamber (101) is provided inside the digestion barrel (1); the digestion chamber (101) is used for digesting quicklime; and a stirring shaft (11) is provided inside the digestion chamber (101); The external cooling cylinder (2) is arranged on the outer peripheral surface of the digestion barrel (1), and an external cooling chamber is provided between the external cooling cylinder (2) and the digestion barrel (1), and the external cooling chamber is used for passing a refrigerant; The internal cooling cylinder (3) is arranged inside the digestion chamber (101), and the internal cooling cylinder (3) is provided with an internal cooling chamber, and the internal cooling chamber is used for passing a refrigerant.

2. A calcium hydroxide digestion bin that is convenient for heat discharge according to claim 1, characterized in that: An outer spiral guide plate (23) is provided in the outer cooling chamber, the outer cooling cylinder (2) and the digestion barrel (1) are both connected to the outer spiral guide plate (23), and an outer spiral channel (201) is formed between the outer spiral guide plate (23), the outer cooling cylinder (2) and the digestion barrel (1), the outer cooling cylinder (2) is provided with an outer input pipe (21) and an outer output pipe (22), and the outer input pipe (21) and the outer output pipe (22) are respectively connected to the two ends of the outer spiral channel (201).

3. A calcium hydroxide digestion bin that is convenient for heat discharge according to claim 2, characterized in that: The height dimension of the output end of the external input tube (21) is smaller than the height dimension of the output end of the external output tube (22).

4. A calcium hydroxide digestion bin that is convenient for heat discharge according to claim 1, characterized in that: The inner cooling cylinder (3) is provided with an inner output pipe (33) and an inner input pipe (34), one end of the inner output pipe (33) is located inside the inner cooling chamber, and the other end of the inner output pipe (33) is located outside the inner cooling chamber. The inner cooling chamber is provided with an inner spiral guide plate (35), the inner cooling cylinder (3) and the inner output pipe (33) are both connected to the inner spiral guide plate (35), an inner spiral channel (301) is formed between the inner spiral guide plate (35), the inner cooling cylinder (3) and the inner output pipe (33), and the inner output pipe (33) and the inner input pipe (34) are respectively connected to the two ends of the inner spiral channel (301).

5. A calcium hydroxide digestion bin that is convenient for heat discharge according to claim 4, characterized in that: The height dimension of the output end of the inner input tube (34) is smaller than the height dimension of the input end of the inner output tube (33).

6. A calcium hydroxide digestion bin that is convenient for heat discharge according to claim 1, characterized in that: The top of the inner cooling cylinder (3) is spherical.

7. The calcium hydroxide digestion bin according to claim 1, wherein: The inner cooling cylinder (3) is detachably mounted on the digestion barrel (1).

8. The calcium hydroxide digestion bin according to claim 1, wherein: An atomizing nozzle (151) is provided in the digestion chamber (101), and the atomizing nozzle (151) is used to spray water mist into the digestion chamber (101).

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