CN220116623U - Gold concentrate leaching gas cooling system and cyanide leaching system - Google Patents

Abstract

The utility model discloses a gold concentrate leaching gas cooling system and a cyanide leaching system, which comprise a bracket and a heat exchange air duct, wherein the heat exchange air duct is arranged on the bracket, the heat exchange air duct is connected in an S-shaped manner through a flange and a bent pipe to form an air guide heat exchange channel, a water cooling jacket is sleeved outside the heat exchange air duct, one end of an air inlet pipe is connected with an air storage tank, one end of the air storage tank is connected with an air compressor, and one end of the air outlet pipe is communicated with an air supply pipeline of a leaching tank.

Description

Gold concentrate leaching gas cooling system and cyanide leaching system

Technical Field

The utility model relates to the technical field of gold ore cyanide leaching equipment, in particular to a gold concentrate leaching gas cooling system and a cyanide leaching system.

Background

The cyanide leaching is an indispensable process in gold production, the temperature needs to be strictly controlled in the cyanide leaching process, and the effect of the cyanide leaching can be directly affected due to the fact that the temperature is too high, so that the stability of production indexes is not facilitated. In the case of cyanide leaching, high pressure air is required to be continuously blown into the cyanide leaching tank. The high-pressure air is prepared by the air through the compression action of a high-pressure fan, and gas molecules are continuously rubbed in the compression process, so that the temperature of the air is rapidly increased and even exceeds 100 ℃; in addition, external temperature also can influence the temperature of high-pressure air, and when the temperature in summer is higher, the temperature of high-pressure air also can promote thereupon, in order to solve above-mentioned problem, chinese patent CN202121980579.4 discloses a gold concentrate leaches gaseous cooling system and cyanidation leaching system, through in the cooling tank of injection liquid, utilize water-cooling and forced air cooling's cooperation effect, make high-temperature high-pressure air carry out abundant heat exchange with liquid through the cooling tube, high-temperature high-pressure air cooling has effectively been helped, the temperature range of the high-pressure air in the final entering cyanidation leaching tank has effectively been controlled, the stability of production index has been improved, the productivity of cyanidation leaching has been optimized, and the production efficiency of cyanidation leaching has been improved. However, this cooling system has the following problems:

1. the liquid cooling part is liquid storage type, once the temperature of the cooling liquid is increased, air cooling is needed to intervene in cooling the cooling liquid, and then heat exchange and cooling are indirectly carried out on high-pressure air, so that the heat exchange efficiency is low, and the requirement of rapid cooling and heat exchange of the high-temperature high-pressure air cannot be met;

2 the whole heat exchange component is immersed in the cooling tank, once the fault occurs or the gas leakage occurs in the open welding of the welded junction, the treatment is troublesome, and in view of the problem, the scheme is developed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a gold concentrate leaching gas cooling system and a cyanide leaching system, which solve the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a gold concentrate leaches gaseous cooling system, includes support and heat transfer air duct, the heat transfer air duct sets up on the support, be S type connection through flange and return bend between the heat transfer air duct and constitute air guide heat transfer channel, heat transfer air duct outside cover is equipped with the water jacket, water jacket tip and heat transfer air duct welded fastening, be linked together through the aqueduct between the adjacent water jacket, the water jacket of lower extreme is linked together with cooling cycle assembly 'S delivery port, and the water jacket of uppermost is linked together with cooling cycle assembly' S return water mouth, air guide heat transfer channel 'S last port is connected with the intake pipe, air guide heat transfer channel' S lower port is connected with the outlet duct.

The cooling circulation assembly comprises a cooling water tank, a booster pump and a water chiller, wherein the water inlet end of the booster pump is communicated with the cooling water tank, the water outlet end of the booster pump is communicated with the water cooling jacket at the lowest end, the water chiller is communicated with the cooling water tank, and the water cooling jacket at the highest end is communicated with the cooling water tank.

The cooling water tank is internally provided with a temperature probe, a water return temperature sensor is arranged at the water outlet of the uppermost water cooling jacket, and a gas temperature sensor is arranged at the position of the gas outlet pipe.

The cyanide leaching system comprises a gold concentrate leaching gas cooling system, one end of the gas inlet pipe is connected with a gas storage tank, one end of the gas storage tank is connected with an air compressor, and one end of the gas outlet pipe is communicated with a gas supply pipeline of the leaching tank.

The cyanide leaching system further comprises a sodium cyanide solution conveying pipeline, and the sodium cyanide solution conveying pipeline is communicated with the leaching tank.

The air outlet pipe is provided with a gas flowmeter and a barometer.

Advantageous effects

The utility model provides a gold concentrate leaching gas cooling system and a cyanide leaching system. The beneficial effects are as follows: this gold concentrate leaches gaseous cooling system and cyanidation leaching system, heat transfer air duct is S type connection with the return bend and constitutes air guide heat transfer passageway, heat transfer air duct outside cover is equipped with the water-cooled jacket, utilize the cooling circulation subassembly to pour into low temperature coolant liquid into in the water-cooled jacket, high temperature high pressure air enters into in the air guide heat transfer passageway and carries out heat transfer cooling with low temperature coolant liquid after, supply to cyanidation leaching system, high temperature high pressure air cooling has effectively been helped, the temperature range of the high pressure air in the final cyanidation leaching tank of having effectively controlled, the stability of production index has been improved, the pipeline all sets up in exposing the environment simultaneously, in case leak liquid or gas leakage condition all can in time discover, joint portion adopts flange joint spare simultaneously, when damage appears locally, can be piecewise changed, in addition this gas cooling system can be according to actual site condition and technology demand, the use under the different operating modes is satisfied, the structure is convenient for maintenance, low in use cost.

Drawings

FIG. 1 is a schematic diagram of the overall arrangement of the cyanide leaching system of the present utility model.

Fig. 2 is a schematic diagram of a front view of a gas cooling system according to the present utility model.

In the figure: 1. a bracket; 2. a heat exchange air duct; 3. bending the pipe; 4. a water cooling jacket; 5. an air inlet pipe; 6. an air outlet pipe; 7. a cooling water tank; 8. a booster pump; 9. a water chiller; 10. a temperature probe; 11. a backwater temperature sensor; 12. a gas temperature sensor; 13. a gas storage tank; 14. an air compressor; 15. an air supply line; 16. a delivery line; 17. a leaching tank; 18. a gas flow meter; 19. a barometer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

Examples: referring to fig. 1-2 of the specification, the scheme comprises a gold concentrate leaching gas cooling system, which comprises a bracket 1 and a heat exchange air duct 2, wherein the heat exchange air duct 2 is arranged on the bracket 1, the heat exchange air duct 2 is connected in an S-shaped way through a flange and a bent pipe 3 to form an air guide heat exchange channel, a water cooling jacket 4 is sleeved outside the heat exchange air duct 2, the end part of the water cooling jacket 4 is welded and fixed with the heat exchange air duct 2, adjacent water cooling jackets 4 are communicated through a water guide pipe, the water cooling jacket 4 at the lowest end is communicated with a water outlet of a cooling circulation assembly, the water cooling jacket 4 at the uppermost end is communicated with a water return port of the cooling circulation assembly, the cooling circulation assembly comprises a cooling water tank 7, a booster pump 8 and a water chiller 9, the water inlet end of the booster pump 8 is communicated with the water cooling jacket 4 at the lowest end, the water outlet end of the booster pump 8 is communicated with the cooling water tank 7, the uppermost water cooling jacket 4 is communicated with a cooling water tank 7, the upper port of the air guide heat exchange channel is connected with an air inlet pipe 5, the lower port of the air guide heat exchange channel is connected with an air outlet pipe 6, a temperature probe 10 is arranged in the cooling water tank to monitor the water temperature in the cooling water tank, a water outlet of the uppermost water cooling jacket 4 is provided with a water return temperature sensor 11 to monitor the water return temperature of cooling liquid, a gas temperature sensor 12 is arranged at the position of the air outlet pipe 6 to monitor the gas temperature at the position of the air outlet pipe 6, the cooling effect is further ensured, the heat exchange air guide pipe 2 is connected with an elbow pipe 3 in an S shape to form the air guide heat exchange channel, the outer side of the heat exchange air guide pipe 2 is sleeved with the water cooling jacket 4, low-temperature cooling water is generated by a water cooler 9 in a cooling circulation assembly, the booster pump 8 pumps the low-temperature cooling water and then is injected into the water cooling jacket 4, the high-temperature high-pressure air inside the heat exchange tube is subjected to heat exchange and cooling sequentially from bottom to top, the structure is simple, continuous heat exchange and cooling can be realized, the external power mechanism is subjected to strong water cooling circulation, heat exchange efficiency is fully guaranteed, low-temperature cooling liquid is injected into the water cooling jacket 4, the high-temperature high-pressure air enters the air guide heat exchange channel and is subjected to heat exchange and cooling with the low-temperature cooling liquid, and then is supplied to the cyanide leaching system, so that the high-temperature high-pressure air is effectively cooled, the temperature range of the high-pressure air finally entering the cyanide leaching tank 17 is effectively controlled, the stability of production indexes is improved, meanwhile, pipelines are arranged in an exposed environment, once leakage or air leakage condition is timely found, a flange connector is adopted for a joint part, and the joint part can be replaced in a segmented mode when the joint part is damaged.

The cyanide leaching system comprises a gold concentrate leaching gas cooling system, one end of an air inlet pipe 5 is connected with an air storage tank 13, one end of the air storage tank 13 is connected with an air compressor 14, one end of an air outlet pipe 6 is communicated with an air supply pipeline 15 of a leaching tank 17, the cyanide leaching system also comprises a sodium cyanide solution conveying pipeline 16, the sodium cyanide solution conveying pipeline 16 is communicated with the leaching tank 17, high-temperature high-pressure air enters an air guide heat exchange channel to exchange heat with low-temperature cooling liquid for cooling, and then is supplied to the cyanide leaching system, so that the temperature of the high-temperature high-pressure air is effectively reduced, the temperature range of the high-pressure air finally entering the cyanide leaching tank 17 is effectively controlled, and the stability of production indexes is improved. The air outlet pipe 6 is provided with an air flow meter 18 and an air pressure meter 19, so that the air pressure and the air flow after cooling can be monitored in real time.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a gold concentrate leaches gaseous cooling system, includes support and heat transfer air duct, its characterized in that, the heat transfer air duct sets up on the support, be S type connection through flange and return bend between the heat transfer air duct and constitute air guide heat transfer channel, heat transfer air duct outside cover is equipped with the water jacket, water jacket tip and heat transfer air duct welded fastening are linked together through the aqueduct between the adjacent water jacket, and the water jacket of lower extreme is linked together with cooling cycle assembly 'S delivery port, and the water jacket of upper end is linked together with cooling cycle assembly' S return water mouth, air guide heat transfer channel 'S last port is connected with the intake pipe, air guide heat transfer channel' S lower port is connected with the outlet duct.

2. The gold concentrate leaching gas cooling system of claim 1, wherein the cooling circulation assembly comprises a cooling water tank, a booster pump and a water chiller, the water inlet end of the booster pump is communicated with the cooling water tank, the water outlet end of the booster pump is communicated with a water cooling jacket at the lowest end, the water chiller is communicated with the cooling water tank, and the water cooling jacket at the highest end is communicated with the cooling water tank.

3. The gold concentrate leaching gas cooling system according to claim 2, wherein a temperature probe is arranged in the cooling water tank, a backwater temperature sensor is arranged at the water outlet of the uppermost water jacket, and a gas temperature sensor is arranged at the position of the gas outlet pipe.

4. A cyanide leaching system, which is characterized by comprising the gold concentrate leaching gas cooling system according to any one of claims 1-3, wherein one end of the gas inlet pipe is connected with a gas storage tank, one end of the gas storage tank is connected with an air compressor, and one end of the gas outlet pipe is communicated with a gas supply pipeline of a leaching tank.

5. The cyanide leaching system of claim 4, further comprising a sodium cyanide solution delivery line in communication with the leaching tank.

6. The cyanide leaching system of claim 4, wherein the outlet conduit is provided with a gas flow meter and a barometer.