CN215138420U - Contain gold high temperature alkali gas recovery system - Google Patents
Contain gold high temperature alkali gas recovery system Download PDFInfo
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- CN215138420U CN215138420U CN202120872572.4U CN202120872572U CN215138420U CN 215138420 U CN215138420 U CN 215138420U CN 202120872572 U CN202120872572 U CN 202120872572U CN 215138420 U CN215138420 U CN 215138420U
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Abstract
The utility model discloses a contain gold high temperature alkali gas recovery system, including condensation circulation system and spraying system, condensation circulation system includes: the first spray chamber is connected with an alkali tank storing high-temperature alkali gas through a pressure relief pipeline; the top of the condensate tank is connected with one side of the first spray chamber through a water pipe; a condenser is arranged in the condensate tank, and one end of the condenser is provided with a first condensing pipe extending into the first spraying chamber; the other end of the condenser is provided with a second condensation pipe connected with the top of the spraying system, and the alkaline gas entering the condenser is converted into a liquid state from a gaseous state; the spraying system comprises a second spraying chamber and a clear water tank, wherein the clear water tank sprays water into the second spraying chamber through a clear water pipe to form water mist. The utility model cools the high temperature alkaline gas generated by pressure release through the cold condensate tank, which can fully recover the gold in the alkaline gas, avoid metal loss and improve the recovery rate; can realize zero emission of polluted alkaline gas, protect the surrounding environment and protect the health of operators.
Description
Technical Field
The utility model belongs to the technical field of alkali gas recovery, especially, relate to a contain gold high temperature alkali gas recovery system.
Background
The desorbent is generally aqueous solution, can not exceed 100 ℃ at most under normal pressure, and the desorption temperature can be further increased by adopting a pressurizing device in the desorption electrolysis system of the mountain building company. When the pressure is increased to 0.5MPa, the temperature can reach 150 ℃, the desorption speed of gold under the condition is several times higher than that under the normal pressure, and the working time is shortened by nearly 3 times compared with the conventional system. The system pressure needs to be released after the main system operation is finished. When the pressure is released, a large amount of high-temperature alkaline gas is generated in the alkaline tank, and metal loss is caused in the process of discharging the alkaline gas, and certain pollution is caused to the surrounding environment.
Publication No. CN 207722581U's patent discloses a VOCs waste gas sprays recovery unit, including waste gas conveying mechanism, spray column and liquid conveying mechanism, waste gas conveying mechanism includes: the concentration online detector comprises a blower, an exhaust gas prefilter, a buffer tank, an online concentration detector, an exhaust chimney, an air feed pipe, an air return pipe, an air outlet pipe and an exhaust pipe, wherein the exhaust gas prefilter is communicated with the air inlet of the blower and the buffer tank, the air outlet of the buffer tank is connected with the air feed pipe, the air return pipe is connected with the air return pipe through the air return port of the buffer tank, one end of the online concentration detector is connected with the air outlet pipe, the other end of the online concentration detector is connected with the exhaust pipe and the air return pipe, the exhaust pipe is connected with the exhaust chimney, the air feed pipe is connected with the lower end of the spray tower, the upper end of the spray tower is connected with the air outlet pipe, and the liquid conveying mechanism is connected with a pipeline of the spray tower.
The device has good recovery effect on organic compounds, but has lower treatment efficiency on high-temperature inorganic alkaline gas. In addition, the device has a complex structure and relatively high manufacturing cost, and cannot effectively solve the influence of a large amount of high-temperature gas on a recovery system.
SUMMERY OF THE UTILITY MODEL
Based on the not enough of above prior art, the utility model provides a technical problem who solves provides a contain gold high temperature alkali gas recovery system, simple structure, and is with low costs, adopts the condensation, sprays the technique and realizes polluting the alkali gas zero release to with the metal recovery in the alkali gas.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes: the utility model provides a gold-bearing high-temperature alkali gas recovery system, which comprises a condensation circulating system and a spraying system connected with the condensation circulating system; the condensation cycle system includes: the first spray chamber is connected with an alkali tank storing high-temperature alkali gas through a pressure relief pipeline;
the condensate tank is positioned below the first spray chamber, and the top of the condensate tank is connected with one side of the first spray chamber through a water pipe; a condenser is arranged in the condensate tank, one end of the condenser is provided with a first condensing pipe extending into the first spraying chamber, and alkaline gas in the first spraying chamber enters the condenser from a gas collecting port of the first condensing pipe; the other end of the condenser is provided with a second condensation pipe connected with the top of the spraying system, and the alkaline gas entering the condenser is converted into a liquid state from a gaseous state; the spraying system comprises a second spraying chamber and a clear water tank positioned below the second spraying chamber, and the clear water tank sprays water into the second spraying chamber through a clear water pipe and forms water mist.
Optionally, the water pipe with the water curtain nozzle is installed to the entry that first spray chamber is connected, install first water pump on the water pipe, be used for with water in the condensate tank takes out first spray chamber and forms the water curtain in the water curtain nozzle.
Further, the position of the water curtain nozzle on the first spraying chamber is higher than the position of the pressure relief pipeline connected with the first spraying chamber.
Optionally, the clean water pipe comprises a main clean water pipe for conveying water in the clean water tank upwards, and a first clean water pipe, a second clean water pipe and a third clean water pipe which are communicated with the main clean water pipe and are horizontally arranged; the first clear water pipe is connected with the second condensation pipe, and a first high-pressure water mist nozzle is arranged at the connection part; the second clean water pipe is connected with the side surface of the second spray chamber, and a second high-pressure water mist nozzle is arranged at the connection part; the third clean water pipe is connected with the top of the second spray chamber, and a third high-pressure water mist nozzle is arranged at the connection position.
Furthermore, a second water pump is installed on the main clear water pipe and used for pumping water in the clear water tank to a second spray chamber and forming water mist in the first high-pressure water mist nozzle, the second high-pressure water mist nozzle and the third high-pressure water mist nozzle.
Optionally, a drainage fan is installed on the second condensation pipe, and is used for conveying the remaining alkaline gas in the condenser to the second spray chamber.
Optionally, the bottom of the first spray chamber is connected to the top of the condensate tank through a circulating water pipeline.
By last, through the utility model discloses a contain gold high temperature alkali gas recovery system has following beneficial effect at least:
1. cooling the high-temperature alkaline gas generated by pressure release through a cold condensate tank;
2. the gold in the alkaline gas can be completely recovered, the metal loss is avoided, and the recovery rate is improved;
3. realizes zero discharge of polluted alkaline gas, protects the surrounding environment and protects the health of operators.
4. The condensation and spraying technology is applied simultaneously, firstly, high-temperature alkali gas is liquefied through condensation, then water mist formed by three high-pressure water mist nozzles of a spraying system is used for spraying, and the technical purposes of metal complete recovery and zero emission of polluted alkali gas are realized through multi-section spraying; a large amount of high-temperature alkali gas is liquefied through condensation, and the effect of spraying and recovering the alkali gas and metal is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following detailed description is given in conjunction with the preferred embodiments, together with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of the gold-containing high-temperature alkali gas recovery system of the present invention.
Detailed Description
Other aspects, features and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which form a part of the specification, illustrating by way of example the principles of the invention. In the referenced drawings, the same or similar components in different drawings are denoted by the same reference numerals.
Referring to fig. 1, the gold-containing high-temperature alkali gas recovery system of the present invention comprises a condensation circulation system and a spraying system connected to the condensation circulation system. The condensation circulating system mainly comprises a closed condensate tank 10, a first spraying chamber 40, a first water pump, a water pipe and a circulating water pipeline. The first spraying chamber 40 is connected with an alkali tank 30 storing high-temperature alkali gas through a pressure release pipeline, the condensate tank 10 is located below the first spraying chamber 40, the top of the condensate tank 10 is connected with one side of the first spraying chamber 40 through a water pipe 11, a condenser 20 is arranged inside the condensate tank 10, one end of the condenser 20 is provided with a first condensing pipe 21 extending into the first spraying chamber 40, the alkali gas in the first spraying chamber 40 enters the condenser 20 from a gas collection port 211 of the first condensing pipe 21, and the other end of the condenser 20 is provided with a second condensing pipe 22 connected with the top of the spraying system. The second condensation pipe 22 is provided with a draft fan 221 for sending the remaining alkaline gas in the condenser 20 to a second shower chamber 50 described below. In addition, the bottom of the first spray chamber 40 is connected to the top of the condensate tank 10 through a circulating water line 41.
A water curtain nozzle 12 is installed at an inlet of the water pipe 11 connected to the first spray chamber 40, and a first water pump 13 is installed on the water pipe 11 for pumping the water in the condensate tank 10 to the first spray chamber 40 and forming a water curtain in the water curtain nozzle 12. And, the position of the water curtain nozzle 12 on the first shower chamber 40 is higher than the position where the pressure relief pipe is connected to the first shower chamber 40. Cold water in the condensate tank 10 is input into the first spray chamber 40 through the first water pump 13, a closed water curtain cross section can be formed in the first spray chamber 40 by water pressure after the water curtain nozzle 12 is debugged, and water in the first spray chamber 40 automatically flows into the condensate tank 10 through the circulating water pipeline 41.
When the pressure is released after the operation of the analytic electrolysis system is finished, a large amount of high-temperature alkali gas is discharged from a pressure release pipeline at the upper end of the alkali tank 30 and enters the first spray chamber 40 for first-stage closed water curtain spraying. Circulating water in the first spray chamber 40 descends, and alkaline gas ascends through the water curtain and enters the first condensation pipe 21 from the gas collecting port 211. The condenser 20 under the liquid surface in the condensate tank 10 can increase the contact area between the high-temperature alkali gas and the cooling liquid outside the pipe, when the high-temperature alkali gas passes through the condenser 20, the temperature of the high-temperature alkali gas is reduced, the phase changes, the gas state is converted into the liquid state, a large amount of liquid drops are gathered to form alkali liquor at the bottom of the condenser 20, and the alkali liquor is discharged and recovered from the first liquid discharge port 23.
The spraying system comprises a second spraying chamber 50 and a clear water tank 60 positioned below the second spraying chamber 50, and the clear water tank 60 sprays water into the second spraying chamber 50 through a clear water pipe to form water mist. The clear water pipe comprises a main clear water pipe 61 for conveying water in the clear water tank 60 upwards, a first clear water pipe 62, a second clear water pipe 63 and a third clear water pipe 64 which are communicated with the main clear water pipe 61 and are horizontally arranged. The first clean water pipe 62 is connected to the second condensation pipe 22, and a first high pressure water mist nozzle 621 is provided at the connection. The second branch clean water pipe 63 is connected to a side of the second spray chamber 50, and a second high pressure water mist nozzle 631 is provided at the connection. The third clean water pipe 64 is connected to the top of the second spray chamber 50, and a third high-pressure water mist nozzle 641 is disposed at the connection position. The main clean water pipe 61 is provided with a second water pump 611 for pumping the water in the clean water tank 60 to the second spray chamber 50 and forming water mist in the first high pressure water mist nozzle 621, the second high pressure water mist nozzle 631 and the third high pressure water mist nozzle 641. The condensed alkali gas enters the second spraying chamber 50 by taking the drainage fan 221 as power. The first high pressure water mist nozzle 621 installed at the air inlet of the second spray chamber 50 (where the first clear water pipe 62 is connected with the second condensation pipe 22) performs two-stage spraying, the air inlet and the second liquid outlet 51 are arranged diagonally, the third high pressure water mist nozzle 641 and the second high pressure water mist nozzle 631 respectively installed at the top and the side of the second spray chamber 50 form two horizontal and vertical spraying water mist to remove residual alkali and metal, and the liquid phase is discharged and recovered from the second liquid outlet 51, which is third-stage spraying. The gas phase is driven by the drainage fan 221 to move in a single direction, and the liquid phase is recovered at a fixed point.
The two-stage and three-stage spraying is composed of a second water pump 611 for pumping water from the clean water tank 60, and three high-pressure water mist nozzles and clean water pipes. The condensate in the condensate tank 10 contains a certain amount of gold and alkali, and can be periodically pumped back to the carbon slurry gold extraction process through a pipeline to carry out cyaniding gold leaching, and the activated carbon is absorbed, enriched and recycled to avoid metal loss.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood that the invention is not limited thereto, and that various modifications and changes can be made by those skilled in the art without departing from the principles of the invention.
Claims (7)
1. The gold-containing high-temperature alkali gas recovery system is characterized by comprising a condensation circulating system and a spraying system connected with the condensation circulating system;
the condensation cycle system includes:
the first spray chamber is connected with an alkali tank storing high-temperature alkali gas through a pressure relief pipeline;
the condensate tank is positioned below the first spray chamber, and the top of the condensate tank is connected with one side of the first spray chamber through a water pipe; a condenser is arranged in the condensate tank, one end of the condenser is provided with a first condensing pipe extending into the first spraying chamber, and alkaline gas in the first spraying chamber enters the condenser from a gas collecting port of the first condensing pipe; the other end of the condenser is provided with a second condensation pipe connected with the top of the spraying system, and the alkaline gas entering the condenser is converted into a liquid state from a gaseous state;
the spraying system comprises a second spraying chamber and a clear water tank positioned below the second spraying chamber, and the clear water tank sprays water into the second spraying chamber through a clear water pipe and forms water mist.
2. The gold-bearing hot caustic gas recovery system of claim 1 wherein the inlet of the water line to the first spray chamber is fitted with a water curtain nozzle and the water line is fitted with a first water pump for pumping water from the condensate tank to the first spray chamber and forming a water curtain in the water curtain nozzle.
3. The gold-bearing hot caustic gas recovery system of claim 2 wherein the water curtain nozzle is located at a higher level on the first spray chamber than where the pressure relief line is connected to the first spray chamber.
4. The gold-containing high-temperature alkali gas recovery system of claim 1, wherein the clean water pipes comprise a main clean water pipe for conveying water in a clean water tank upwards, and a first clean water pipe, a second clean water pipe and a third clean water pipe which are communicated with the main clean water pipe and horizontally arranged;
the first clear water pipe is connected with the second condensation pipe, and a first high-pressure water mist nozzle is arranged at the connection part;
the second clean water pipe is connected with the side surface of the second spray chamber, and a second high-pressure water mist nozzle is arranged at the connection part;
the third clean water pipe is connected with the top of the second spray chamber, and a third high-pressure water mist nozzle is arranged at the connection position.
5. The gold-bearing high temperature alkali gas recovery system of claim 4, wherein the main clean water pipe is provided with a second water pump for pumping water in the clean water tank to the second spray chamber and forming water mist in the first high pressure water mist nozzle, the second high pressure water mist nozzle and the third high pressure water mist nozzle.
6. The gold-bearing high-temperature alkali gas recovery system of claim 1, wherein a draught fan is installed on the second condensation pipe and used for conveying the residual alkali gas in the condenser to the second spraying chamber.
7. The gold-bearing hot caustic gas recovery system of claim 1 wherein the bottom of the first spray chamber is connected to the top of the condensate tank by a circulating water line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872572.4U CN215138420U (en) | 2021-04-26 | 2021-04-26 | Contain gold high temperature alkali gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872572.4U CN215138420U (en) | 2021-04-26 | 2021-04-26 | Contain gold high temperature alkali gas recovery system |
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| Publication Number | Publication Date |
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| CN215138420U true CN215138420U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120872572.4U Active CN215138420U (en) | 2021-04-26 | 2021-04-26 | Contain gold high temperature alkali gas recovery system |
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| CN (1) | CN215138420U (en) |
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2021
- 2021-04-26 CN CN202120872572.4U patent/CN215138420U/en active Active
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