CN217288433U - Potassium cyanide production system - Google Patents
Potassium cyanide production system Download PDFInfo
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- CN217288433U CN217288433U CN202220637858.9U CN202220637858U CN217288433U CN 217288433 U CN217288433 U CN 217288433U CN 202220637858 U CN202220637858 U CN 202220637858U CN 217288433 U CN217288433 U CN 217288433U
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Abstract
The utility model discloses a potassium cyanide production system, which comprises a reactor, a mixing pipe, a circulating pipe, a first feeding pipe, a second feeding pipe, a first circulating pump, a heat exchanger, a first pipeline and a product tank; the bottom end of the reactor is provided with a first discharge hole, one end of a first feeding pipe penetrates through the side wall of the reactor and is connected with the side wall of the mixing pipe, one end of a second feeding pipe penetrates through the side wall of the reactor and is connected with the side wall of the mixing pipe, one end of a circulating pipe is connected with the first discharge hole, the other end of the circulating pipe penetrates through the side wall of the reactor, and a first circulating pump is arranged on the circulating pipe; one end of the heat exchanger is connected with the circulating pipe, and the other end of the heat exchanger is connected with the product tank. The beneficial effects of the utility model reside in that: hydrocyanic acid and potassium hydroxide aqueous solution circulate through the first circulating pump, the product liquid potassium cyanide after the reaction enters the heat exchanger through the circulating pipe and the first pipeline to carry on the heat exchange, the reaction product after the heat exchange enters the product tank, thus realize the preparation of the liquid potassium cyanide.
Description
Technical Field
The utility model relates to a chemical industry technical field, concretely relates to potassium cyanide production system.
Background
Potassium cyanide (KCN) is an important chemical raw material and is widely used in the fields of precious metal extraction, medicine, metallurgy, electroplating, pesticides, dyes and the like. There are various methods for producing potassium cyanide, and for example, patent application publication No. CN104773743A discloses a hydrothermal method for preparing potassium cyanide solution by using potassium ferricyanide as raw material, comprising the steps of dissolving, hydrothermal reaction and separating each unit process, characterized in that K is added 3 Fe(CN) 6 Placing the aqueous solution into a polytetrafluoroethylene lining of a hydrothermal kettle, sealing the hydrothermal kettle, preserving the heat for 24-72 hours at 140-250 ℃, and adding three times of K into the solution after hydrothermal reaction 3 Fe(CN) 6 KOH solid of the amount of substance, filtered of Fe after stirring to dissolve 2 O 3 Precipitating to obtain KCN solution with corresponding concentration.
In the prior art, there is also a method of producing potassium cyanide by mixing HCN synthesis gas and alkali-containing absorption liquid for absorption reaction, for example, patent application with publication number CN113044857A discloses a method of obtaining potassium cyanide solution by absorption reaction of HCN synthesis gas and potassium hydroxide solution. However, if leakage occurs during the preparation of HCN gas, poisoning is easily caused, and the health of field operators is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a production system suitable for adopt hydrocyanic acid liquid preparation potassium cyanide is provided.
The utility model discloses a following technical means realizes solving above-mentioned problem:
the utility model provides a potassium cyanide production system, which comprises a reactor, a mixing pipe, a circulating pipe, a first feeding pipe, a second feeding pipe, a first circulating pump, a heat exchanger, a first pipeline and a product tank;
the reactor is characterized in that a first discharge port is formed in the bottom end of the reactor, the mixing pipe is vertically arranged in the reactor, the top end of the mixing pipe is bent, one end of the first feeding pipe penetrates through the side wall of the reactor, one end of the first feeding pipe is connected with the side wall of the mixing pipe, the other end of the first feeding pipe is positioned outside the reactor, the first feeding pipe and the second feeding pipe are oppositely arranged, one end of the second feeding pipe penetrates through the side wall of the reactor, one end of the second feeding pipe is connected with the side wall of the mixing pipe, and the other end of the second feeding pipe is positioned outside the reactor;
one end of the circulating pipe is connected with the first discharge hole, the other end of the circulating pipe penetrates through the side wall of the reactor, and a first circulating pump is arranged on the circulating pipe;
one end of the heat exchanger is connected with the circulating pipe through a first pipeline, and the other end of the heat exchanger is connected with the product tank.
The working principle is as follows: firstly, introducing a potassium hydroxide aqueous solution from the second inlet pipe, then introducing a hydrocyanic acid liquid from the first inlet pipe, introducing the hydrocyanic acid and the potassium hydroxide aqueous solution into the mixing pipe, generating acid-base neutralization reaction in the mixing pipe by setting the size of the mixing pipe to generate a potassium cyanide solution, then, introducing the potassium cyanide solution into the reactor, circulating the reaction liquid through the circulating pipe and the first circulating pump, introducing a reaction product after the reaction into the heat exchanger through the circulating pipe and the first pipeline to exchange heat, and introducing the reaction product after the heat exchange into the product tank.
Has the advantages that: hydrocyanic acid and potassium hydroxide aqueous solution pass through first inlet pipe and second inlet pipe respectively and get into in the hybrid tube, and the hybrid tube is the form of buckling and can slows down reaction intensity, avoids causing violent vibrations of reactor, and the partial heat that the reaction was given off is taken away by the heat exchanger with circulating pipe connection, can control the potassium cyanide solution temperature that gets into the product jar. And the reacted product potassium cyanide liquid enters a heat exchanger through a circulating pipe and a first pipeline for heat exchange, and the heat exchanged reaction product enters a product tank, so that the preparation of the potassium cyanide liquid is realized.
Preferably, the other end of the circulation pipe is connected to the top end of the mixing pipe.
Has the advantages that: the hydrocyanic acid is circulated by the first circulating pump, so that the hydrocyanic acid and the potassium hydroxide aqueous solution fully react, the probability of overflowing the hydrocyanic acid out of the mixing pipe is reduced, and the hydrocyanic acid is prevented from self-polymerization.
Preferably, the included angle between the axis of the first feeding pipe and the axis of the mixing pipe is not more than 60 degrees; the included angle between the axis of the second feeding pipe and the axis of the mixing pipe is not more than 60 degrees; the height of the second feeding pipe on the mixing pipe is higher than that of the first feeding pipe.
Has the advantages that: hydrocyanic acid and potassium hydroxide aqueous solution enter the mixing tube according to the angle that first inlet pipe and second inlet pipe set up respectively, and the height of second inlet pipe on the mixing tube is higher than the height of first inlet pipe on the mixing tube, makes hydrocyanic acid in the mixing tube below when the feeding, is favorable to hydrocyanic acid and potassium hydroxide aqueous solution fully to react in the mixing tube.
Preferably, the potassium cyanide production system further comprises a third pipeline, a scrubber and a pall ring packing layer, wherein the scrubber is connected with the top end of the reactor, the pall ring packing layer is positioned in the scrubber, one end of the third pipeline is connected with the circulating pipe, the other end of the third pipeline is connected with the feeding end of the scrubber, and the third pipeline is positioned above the pall ring packing layer.
Has the advantages that: the top end of the reactor circulates from top to bottom, and if hydrocyanic acid overflows from the first discharge hole in the reaction process, the hydrocyanic acid overflowing in the reaction can be returned to the reactor after being washed by the washer through the third pipeline.
Preferably, the outer side wall of the reactor is provided with a water jacket.
Has the advantages that: the heat generated in the reactor is dissipated by the water jacket.
Preferably, the water jacket is provided with a water inlet and a water outlet.
Preferably, a first valve is arranged on the first pipeline, a second valve is arranged on the circulating pipe, and the first valve and the second valve are arranged in parallel.
Preferably, a third valve is arranged on the third pipeline.
Preferably, potassium cyanide production system still includes fourth pipeline, blow-down pipe, water seal pipe, nitrogen seal pipe and seventh pipeline, the one end of fourth pipeline is connected with the top of scrubber, the other end and the blow-down pipe lateral wall of fourth pipeline are connected, the middle pipeline section and the nitrogen seal pipe exit end of fourth pipeline are connected, the water seal pipe is installed to the one end of blow-down pipe, and the other end draws high the blow-down, the one end and the lateral wall fixed connection of fourth pipeline of seventh pipeline, the other end and the reactor top of seventh pipeline are connected.
Has the advantages that: in order to prevent the toxic medium hydrocyanic acid from overflowing, a nitrogen sealing pipe and a water sealing pipe are arranged, so that the material is isolated from the air, and the pressure relief function is simultaneously played.
Preferably, the potassium cyanide production system further comprises a fifth pipeline, one end of the fifth pipeline is connected with the product tank, the other end of the fifth pipeline is connected with the top end of the reactor, and a second circulating pump is arranged on the fifth pipeline.
Has the beneficial effects that: the mother liquor in the product tank can return to the reactor through a fifth pipeline by a second circulating pump to form liquid circulation between the reactor and the product tank.
Preferably, the potassium cyanide production system further comprises a sixth pipeline, one end of the sixth pipeline is connected with the side wall of the product tank, and the other end of the sixth pipeline is connected with the side wall of the fifth pipeline.
The utility model discloses a theory of operation: firstly, introducing a potassium hydroxide aqueous solution from the second inlet pipe, then introducing a hydrocyanic acid liquid from the first inlet pipe, introducing the hydrocyanic acid and the potassium hydroxide aqueous solution into the mixing pipe, generating acid-base neutralization reaction in the mixing pipe by setting the size of the mixing pipe to generate a potassium cyanide solution, then, introducing the potassium cyanide solution into the reactor, circulating the reaction liquid through the circulating pipe and the first circulating pump, introducing a reaction product after the reaction into the heat exchanger through the circulating pipe and the first pipeline to exchange heat, and introducing the reaction product after the heat exchange into the product tank.
The utility model has the advantages that: hydrocyanic acid and potassium hydroxide aqueous solution pass through first inlet pipe and second inlet pipe respectively and get into in the hybrid tube, and the hybrid tube is the form of buckling and can slows down reaction intensity, avoids causing violent vibrations of reactor, and the partial heat that the reaction was given off is taken away by the heat exchanger with circulating pipe connection, can control the potassium cyanide solution temperature that gets into the product jar. And the reacted product potassium cyanide liquid enters a heat exchanger through a circulating pipe and a first pipeline for heat exchange, and the heat exchanged reaction product enters a product tank, so that the preparation of the potassium cyanide liquid is realized.
Hydrocyanic acid and potassium hydroxide aqueous solution enter the mixing tube according to the angle that first inlet pipe and second inlet pipe set up respectively, and the height of second inlet pipe on the mixing tube is higher than the height of first inlet pipe on the mixing tube, makes hydrocyanic acid in the mixing tube below when the feeding, is favorable to hydrocyanic acid and potassium hydroxide aqueous solution fully to react in the mixing tube.
In order to prevent the toxic medium hydrocyanic acid from overflowing, two ends of the emptying pipe are respectively provided with a nitrogen sealing pipe and a water sealing pipe, so that the material is isolated from the air, and the effect of pressure relief is also played.
Drawings
Fig. 1 is a schematic structural diagram of a potassium cyanide production system in embodiment 1 of the present invention.
FIG. 2 is a schematic diagram of the structure of the reactor in example 1 of the present invention.
In the figure: a reactor 11; a water jacket 111; a water inlet 1111; a water inlet valve 1112; a water outlet 1113; a water outlet valve 1114; a first discharge port 112; a mixing tube 12; a first feed pipe 13; a second feed pipe 14; a circulation pipe 15; a second valve 151; a first circulation pump 16; a heat exchanger 17; a first conduit 18; a first valve 181; a product tank 19; a second conduit 20; a third duct 21; a third valve 211; a washer 22; a pall ring packing layer 23; a fourth conduit 24; a blow-down pipe 25; a water seal pipe 26; a nitrogen seal pipe 27; a fifth pipe 28; the second circulation pump 29; a sixth conduit 30; a seventh conduit 31.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
It is noted that, in this document, relational terms such as first and second, and the like, if any, 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. Also, 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, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Example 1
A potassium cyanide production system, as shown in FIGS. 1 and 2, includes a reactor 11, a mixing pipe 12, a first feeding pipe 13, a second feeding pipe 14, a circulating pipe 15, a first circulating pump 16, a heat exchanger 17, a first pipe 18, and a product tank 19.
As shown in fig. 1 and fig. 2, the reactor is the column, the material of reactor is 304 stainless steel in this embodiment, first discharge gate 112 is seted up to reactor 11 bottom, mixing tube 12 is vertical to be installed in the reactor, the mounting means of mixing tube 12 is prior art, also can establish solid fixed ring at the fixed cover of mixing tube 12 lateral wall, at solid fixed ring erection bracing frame all around, the one end and the solid fixed ring lateral wall fixed connection of support frame, the other end and the 11 inside wall fixed connection of reactor of support frame, gu fixed ring, the mounting means of support frame is prior art.
The outer side wall of the reactor 11 is provided with a water jacket 111, the water jacket 111 is provided with a water inlet 1111 and a water outlet 1113, the water inlet 1111 is provided with a water inlet valve 1112, the water outlet 1113 is provided with a water outlet valve 1114, and cold water is introduced from the water inlet 1111 to cool the heat generated in the reactor 11.
One end of the first feeding pipe 13 penetrates through the side wall of the reactor 11, one end of the first feeding pipe 13 is fixedly connected with the side wall of the mixing pipe 12, the other end of the first feeding pipe 13 is positioned outside the reactor 11, one end of the second feeding pipe 14 penetrates through the side wall of the reactor 11, one end of the second feeding pipe 14 is fixedly connected with the side wall of the mixing pipe 12, and the other end of the second feeding pipe 14 is positioned outside the reactor 11. In this embodiment, the material of the first feeding pipe 13 and the second feeding pipe 14 is 316L.
In this embodiment, the angle α between the axis of the first feeding pipe 13 and the axis of the mixing pipe 12 is 12-25 degrees, the angle β between the axis of the second feeding pipe 14 and the axis of the mixing pipe 12 is 25-35 degrees, and the height of the second feeding pipe 14 on the mixing pipe 12 is higher than that of the first feeding pipe 13 on the mixing pipe 12, taking the bottom end of the reactor 11 as a reference surface. The hydrocyanic acid liquid in the first feeding pipe 13 and the potassium hydroxide aqueous solution in the second feeding pipe 14 enter the reaction mixing pipe 12 according to an angle, which is favorable for the hydrocyanic acid and the potassium hydroxide aqueous solution to fully react in the mixing pipe 12, in this embodiment, the mass ratio of the potassium hydroxide aqueous solution to the hydrocyanic acid is 4.33, for example, the reaction ratio of the potassium hydroxide to the hydrocyanic acid is less than 4.33, the hydrocyanic acid may overflow due to insufficient reaction, which causes a risk of polymerization, and the mass concentration of the potassium hydroxide aqueous solution is not less than 48%. The flow velocity of the material in the mixing pipe 12 was adjusted to 2m/s turbulent velocity, thereby adjusting the residence time of hydrocyanic acid in the mixing pipe. The reaction of hydrocyanic acid liquid and potassium hydroxide aqueous solution in the reactor 11 is carried out below the liquid level, the liquid level is not lower than the liquid potassium hydroxide feed inlet.
One end of the circulating pipe 15 is fixedly connected with the first discharge port 112, the other end of the circulating pipe 15 penetrates through the top wall of the reactor 11, the first circulating pump 16 is installed on the circulating pipe 15, and the installation mode of the first circulating pump 16 is the prior art.
The feed end of the heat exchanger 17 is fixedly connected with the side wall of the circulating pipe 15 through a first pipeline 18, a first valve 181 is arranged on the first pipeline 18, a second valve 151 is arranged on the circulating pipe 15, and the first valve 181 and the second valve 151 are arranged in parallel, wherein the heat exchanger 17 in the embodiment is the prior art. The discharge end of the heat exchanger 17 is fixedly connected with the top end of the product tank through a second pipeline 20.
The potassium cyanide production system of this embodiment still includes third pipeline 21, scrubber 22 and pall ring packing layer 23, and scrubber 22, pall ring packing layer 23 are prior art, and the bottom and the reactor 11 top of scrubber 22 communicate, and pall ring packing layer 23 is installed in scrubber 22, and pall ring packing layer 23's mounting means is prior art. One end of the third pipeline 21 is fixedly connected with the side wall of the circulating pipe 15, the other end of the third pipeline 21 is connected with the feeding end of the scrubber 22, the end part of the third pipeline 21 connected with the scrubber 22 is positioned above the pall ring packing layer 23, the third pipeline 21 is provided with a third valve 211, and the installation mode of the third valve 211 is the prior art.
The potassium cyanide production system still includes fourth pipeline 24, blow-down pipe 25, water seal pipe 26 and nitrogen seal pipe 27, the one end of fourth pipeline 24 is connected with scrubber 22's top, the other end and the 25 lateral walls fixed connection of blow-down pipe of fourth pipeline 24, the middle tube section and the 27 exit end fixed connection of nitrogen seal pipe of fourth pipeline 24, water seal pipe 26 is installed to the one end of blow-down pipe 25, the other end draws high the sky, the one end of seventh pipeline 31 and the lateral walls fixed connection of fourth pipeline 24, the other end and the 11 top of reactor of seventh pipeline are connected.
The potassium cyanide production system further comprises a fifth pipeline 28, one end of the fifth pipeline 28 is fixedly connected with the side wall of the product tank 19, the fifth pipeline 28 enters the suction end of a second circulating pump 29, the other end of the fifth pipeline 28 is fixedly connected with the top end of the reactor 11, and the second circulating pump 29 is installed in the prior art.
The potassium cyanide production system further comprises a sixth pipeline 30, one end of the sixth pipeline 30 is fixedly connected with the side wall of the first product tank 19, and the other end of the sixth pipeline 30 is connected with the side wall of the fifth pipeline 28.
The working principle of the embodiment is as follows: hydrocyanic acid and potassium hydroxide aqueous solution enter the mixing tube 12 according to the angle that first inlet pipe 13 and second inlet pipe 14 set up respectively, circulate through first circulating pump 16, make hydrocyanic acid and potassium hydroxide aqueous solution fully react, reduce the probability that hydrocyanic acid spills over mixing tube 12 to prevent to take place hydrocyanic acid autopolymerization, partial heat that the reaction was given off can be taken away by the heat exchanger 17 of being connected with circulating pipe 15. The reacted product potassium cyanide liquid enters a heat exchanger 17 through a circulating pipe 15 and a first pipeline 18 for heat exchange, and the heat exchanged reaction product enters a product tank 19, so that the preparation of the liquid potassium cyanide is realized.
The beneficial effects of the embodiment are that: hydrocyanic acid and potassium hydroxide aqueous solution enter the mixing tube 12 through the first feed tube 13 and the second feed tube 14 respectively, through setting up the size of mixing tube, take place acid-base neutralization reaction in the mixing tube 12, produce potassium cyanide solution, then enter the reactor 11, some heat that the reaction releases can be taken away by the heat exchanger 17 connected with circulating pipe 15. The reacted product potassium cyanide liquid enters a heat exchanger 17 through a circulating pipe 15 and a first pipeline 18 for heat exchange, and the heat exchanged reaction product enters a product tank 19.
Hydrocyanic acid and potassium hydroxide aqueous solution enter the mixing tube 12 according to the angle that first inlet pipe 13 and second inlet pipe 14 set up respectively, and the height of second inlet pipe 14 on the mixing tube 12 is higher than the height of first inlet pipe 13 on the mixing tube 12, makes hydrocyanic acid be in the mixing tube 12 below during the feeding, is favorable to hydrocyanic acid and potassium hydroxide aqueous solution to fully react in the mixing tube 12.
In order to prevent the toxic medium hydrocyanic acid from overflowing, a nitrogen sealing pipe 27 and a water sealing pipe 26 are arranged, so that the material is isolated from the air, and the pressure relief function is played.
Example 2
This embodiment is different from embodiment 1 in that: the other end of the circulating pipe 15 penetrates through the side wall of the reactor 11 and is fixedly connected with the top end of the mixing pipe 12.
Has the advantages that: the first circulating pump 16 is used for circulating to ensure that the hydrocyanic acid fully reacts with the potassium hydroxide aqueous solution, so that the probability of overflowing the hydrocyanic acid from the mixing pipe is reduced, and the hydrocyanic acid is prevented from self-polymerization.
Example 3
This embodiment is different from embodiment 1 in that: the potassium cyanide solid product drying device further comprises an evaporator (not shown) and a dryer (not shown), wherein the evaporator and the dryer are both in the prior art, a feed inlet of the evaporator is fixedly connected with the bottom end of the product tank 19 through a pipeline, and the concentrated raw material is placed in the dryer for drying to obtain the potassium cyanide solid product.
The first feeding pipe 13, the second feeding pipe 14, the mixing pipe 12, all be equipped with flowmeter (not shown) and automatically regulated valve (not shown) on the product groove, flowmeter, automatically regulated valve and mounting means are prior art, for guaranteeing the safety of reaction process, prevent to lead to the safety incident because of hydrocyanic acid polymerization, set up safety interlock loop device and emergency shutdown system (ESD) that the reaction was stopped to the emergency and automation in the reaction process, the ESD system is prior art, ESD system and flowmeter, automatically regulated valve electric connection, its connected mode also is prior art, its course of action is as follows:
firstly, the flow of hydrocyanic acid is reduced to a set value;
the flow of the potassium hydroxide is reduced to a set value;
thirdly, the circulation volume of the mixing pipe is reduced to a set value;
the first circulation pump 16 stops operating;
the pressure in the reactor 11 is higher than the set value;
the hydrocyanic acid density is higher than a set value.
No matter which control point condition is abnormal above, the instrument all can give the signal, self-closing hydrocyanic acid feeding governing valve, and ESD safety interlock moves simultaneously, and the trip valve cuts off the hydrocyanic acid feeding.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A potassium cyanide production system, which is characterized in that: comprises a reactor, a mixing pipe, a circulating pipe, a first feeding pipe, a second feeding pipe, a first circulating pump, a heat exchanger, a first pipeline and a product tank;
the reactor is characterized in that a first discharge port is formed in the bottom end of the reactor, the mixing pipe is vertically arranged in the reactor, the top end of the mixing pipe is bent, one end of the first feeding pipe penetrates through the side wall of the reactor, one end of the first feeding pipe is connected with the side wall of the mixing pipe, the other end of the first feeding pipe is positioned outside the reactor, the first feeding pipe and the second feeding pipe are oppositely arranged, one end of the second feeding pipe penetrates through the side wall of the reactor, one end of the second feeding pipe is connected with the side wall of the mixing pipe, and the other end of the second feeding pipe is positioned outside the reactor;
one end of the circulating pipe is connected with the first discharge port, the other end of the circulating pipe penetrates through the side wall of the reactor, and a first circulating pump is arranged on the circulating pipe;
one end of the heat exchanger is connected with the circulating pipe through a first pipeline, and the other end of the heat exchanger is connected with the product tank.
2. The potassium cyanide production system of claim 1, wherein: the included angle between the axis of the first feeding pipe and the axis of the mixing pipe is not more than 60 degrees; the included angle between the axis of the second feeding pipe and the axis of the mixing pipe is not more than 60 degrees; the height of the second feeding pipe on the mixing pipe is higher than that of the first feeding pipe on the mixing pipe.
3. The potassium cyanide production system of claim 1, wherein: the potassium cyanide production system further comprises a third pipeline, a scrubber and a pall ring packing layer, the scrubber is connected with the top end of the reactor, the pall ring packing layer is located in the scrubber, one end of the third pipeline is connected with the circulating pipe, the other end of the third pipeline is connected with the feeding end of the scrubber, and the third pipeline is located above the pall ring packing layer.
4. The potassium cyanide production system of claim 1, wherein: the other end of the circulating pipe is connected with the top end of the mixing pipe.
5. The potassium cyanide production system of claim 1, wherein: the outer side wall of the reactor is provided with a water jacket.
6. The potassium cyanide production system of claim 5, wherein: the water jacket is provided with a water inlet and a water outlet.
7. The potassium cyanide production system according to claim 1, wherein: the first pipeline is provided with a first valve, the circulating pipe is provided with a second valve, and the first valve and the second valve are arranged in parallel.
8. The potassium cyanide production system of claim 1, wherein: the potassium cyanide production system still includes fourth pipeline, blow-down pipe, water seal pipe, nitrogen seal pipe and seventh pipeline, the one end of fourth pipeline is connected with the top of scrubber, the other end and the blow-down pipe lateral wall of fourth pipeline are connected, the middle pipeline section and the nitrogen seal pipe exit end of fourth pipeline are connected, the water seal pipe is installed to the one end of blow-down pipe, and the other end draws high the sky, the one end of seventh pipeline and the lateral wall fixed connection of fourth pipeline, the other end and the reactor top of seventh pipeline are connected.
9. The potassium cyanide production system of claim 1, wherein: the potassium cyanide production system further comprises a fifth pipeline, one end of the fifth pipeline is connected with the product tank, the other end of the fifth pipeline is connected with the top end of the reactor, and a second circulating pump is arranged on the fifth pipeline.
10. The potassium cyanide production system of claim 1, wherein: the potassium cyanide production system still includes the sixth pipeline, the one end and the product jar lateral wall of sixth pipeline are connected, the other end and the fifth pipeline lateral wall of sixth pipeline are connected.
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| CN202220637858.9U CN217288433U (en) | 2022-03-16 | 2022-03-16 | Potassium cyanide production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114588871A (en) * | 2022-03-16 | 2022-06-07 | 安徽省安庆市曙光化工股份有限公司 | Potassium cyanide production system and production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588871A (en) * | 2022-03-16 | 2022-06-07 | 安徽省安庆市曙光化工股份有限公司 | Potassium cyanide production system and production method |
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