CN114653298A - Acid preparation method for preventing saturator from being blocked and coal gas washing equipment - Google Patents
Acid preparation method for preventing saturator from being blocked and coal gas washing equipment Download PDFInfo
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- CN114653298A CN114653298A CN202210382265.7A CN202210382265A CN114653298A CN 114653298 A CN114653298 A CN 114653298A CN 202210382265 A CN202210382265 A CN 202210382265A CN 114653298 A CN114653298 A CN 114653298A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to the technical field of ammonium sulfate manufacturing, and particularly discloses an acid blending method for preventing a saturator from being blocked and coal gas washing equipment. Then opening the first valve body, passing through the first water replenishing pipe, pumping the water entering through the first water replenishing pipe to a crystallization tank by a crystallization pump, making the reflux liquid flow into the saturator and flow to a full-flow tank through a full-flow pipe, and cleaning the full-flow pipe and the full-flow port in the process; and finally, opening the second valve body and the third valve body, supplementing water through the second water supplementing pipe and the third water supplementing pipe, and flushing the full flow pipe and the communicating pipe again in the water supplementing process, so that the circulation of mother liquor in the saturator is smooth, and the stable operation of the fan for supplying coal gas is ensured.
Description
Technical Field
The invention relates to the technical field of ammonium sulfate manufacturing, in particular to an acid preparation method for preventing a saturator from being blocked and coal gas washing equipment.
Background
The saturator is a device for removing ammonia from coal gas. The principle is that the mother liquor with 3% acidity is contacted with coal gas, so as to wash ammonia from the coal gas.
Because the coal gas contains impurities such as tar, coal dust and the like, in the operation process of the saturator, the impurities can be slowly accumulated in the saturator, a full flow port, a full flow pipe and a communicating pipe, so that the saturator cannot smoothly discharge liquid, the internal liquid level rises, a coal gas channel is narrowed, the resistance of the saturator rises, and the stable operation of a fan for supplying the coal gas is influenced.
Disclosure of Invention
The invention aims to provide an acid blending method for preventing a saturator from being blocked and coal gas washing equipment, so as to solve the problem of unstable operation of a fan.
In order to achieve the purpose, the invention adopts the following technical scheme:
on one hand, the invention provides an acid blending method for preventing a saturator from being blocked, which is applied to coal gas washing equipment, wherein the coal gas washing equipment comprises a first water supplementing pipe, an outlet of the first water supplementing pipe is connected with an outlet of a first production water pipeline in parallel, and a first valve body is arranged on the first water supplementing pipe; the acid preparation method for preventing the saturator from being blocked comprises the following steps:
s01, supplementing concentrated sulfuric acid into the full-flow tank through an acid pump to enable the acidity of the mother liquor in the full-flow tank to reach 9% -12%;
s02, opening the first pump body and the second pump body, and carrying out acid washing;
s03, opening the first valve body, supplementing water through the first water supplementing pipe, pumping the water to the crystallization tank through the crystallization pump, and enabling the reflux liquid in the crystallization tank to flow into the saturator and flow to the full-flow tank through the full-flow pipe;
and S04, opening the second valve body and the third valve body, and filling water through the second water filling pipe and the third water filling pipe.
As a preferable embodiment of the method for preparing acid to prevent the saturator from being blocked, the step S02 includes:
s021, pumping the mother liquor in the full-flow tank to the upper part inside the saturator through a first pump body, and spraying washing coal gas;
s022, enabling a part of the mother liquor in the upper chamber of the saturator to enter a full-flow tank through a full-flow pipe; the other part is pumped to the upper part of the saturator through a second pump body and sprayed with washing coal gas.
As a preferable scheme of the acid preparation method for preventing the saturator from being blocked, the step S02 lasts for 60-90 minutes.
As a preferable scheme of the acid preparation method for preventing the saturator from being blocked, the temperature of water supplemented into the first water supplementing pipe is 60-90 ℃.
As a preferable embodiment of the acid preparation method for preventing the blockage of the saturator, the pressure of water is greater than or equal to 0.5 MPa.
As a preferable scheme of the acid preparation method for preventing the saturator from being blocked, the duration of the step S03 is more than 5 minutes.
As a preferable mode of the acid preparation method for preventing the blockage of the saturator, in the step S04, the temperature of the water in the second water replenishing pipe is 60-90 ℃, and/or
The temperature of the water in the third water replenishing pipe is 60-90 ℃.
As a preferable mode of the acid blending method for preventing the saturator from being blocked, in the step S04, the pressure of the water in the second water replenishing pipe is greater than or equal to 0.5MPa, and/or
The pressure of the water in the third water replenishing pipe is greater than or equal to 0.5 MPa.
As a preferable scheme of the acid preparation method for preventing the saturator from being blocked, in step S04, when the mother liquor in the full flow tank rises and then flows into the mother liquor storage tank through the overflow pipe, and the height in the mother liquor storage tank reaches a preset height, the water supplement is stopped.
In another aspect, the invention provides a coal gas washing device, which comprises a first water replenishing pipe, wherein an outlet of the first water replenishing pipe is connected in parallel with an outlet of a first production water pipeline, and a first valve body is arranged on the first water replenishing pipe.
The invention has the beneficial effects that:
the invention provides an acid blending method for preventing a saturator from being blocked and coal gas washing equipment, wherein in the acid blending method for preventing the saturator from being blocked, the acidity of mother liquor in a full-flow groove is increased to 9% -12%, and then acid washing is carried out through a first pump body and a second pump body, at the moment, the acidity of the mother liquor is 9% -12%, so that impurities adhered to the inside of the saturator, the full-flow pipe, a full-flow opening and a communicating pipe can be effectively cleaned. Then the first valve body is opened, the water entering through the first water replenishing pipe is pumped to the crystallization tank by the crystallization pump, the reflux liquid flows into the saturator and flows to the full-flow tank through the full-flow pipe, and the full-flow pipe and the full-flow port can be cleaned in the process; and finally, the second valve body and the third valve body are opened, water is supplemented through the second water supplementing pipe and the third water supplementing pipe, the full flow pipe and the communicating pipe can be washed again in the water supplementing process, the cleaning effect of the full flow pipe and the communicating pipe is further improved, the circulation of mother liquor in the saturator is smooth, the liquid level is reduced, a gas channel is widened, the resistance of the saturator is reduced, and the stable operation of a fan for supplying gas is ensured.
Drawings
FIG. 1 is a flow chart of a method of acid blending to prevent saturator plugging in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a gas washing device in an embodiment of the invention.
In the figure:
100. filling the chute; 200. a saturator; 300. a mother liquor storage tank; 400. a small mother liquor pump; 500. a large mother liquor pump; 600. a crystallization pump; 700. an acid pump;
1. a full flow tube; 2. a communicating pipe; 3. a full flow port; 4. an overflow pipe; 51. a first water replenishing pipe; 52. a second water replenishing pipe; 53. a third water replenishing pipe; 54. a fourth water replenishing pipe; 61. a first process water line; 62. a second process water line; 7. a return line; 81. a first valve body; 82. a second valve body; 83. a third valve body; 84. and a fourth valve body.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
As shown in fig. 1, the present embodiment provides an acid blending method for preventing a saturator from being blocked, which is applied to a coal washing gas device, the coal washing gas device includes a first water replenishing pipe 51, an outlet of the first water replenishing pipe 51 is arranged in parallel with an outlet of a first production water pipe 61, and a first valve 81 is arranged on the first water replenishing pipe 51, and the acid blending method for preventing the saturator from being blocked includes the following steps:
s01, the concentrated sulfuric acid is supplemented into the full flow groove through the acid pump 700, so that the acidity of the mother liquor in the full flow groove reaches 9% -12%.
S02, opening the first pump body and the second pump body, and carrying out acid washing; wherein the first pump body is a small mother liquor pump 400. The second pump body is a large mother liquor pump 500, wherein the flow rate of the small mother liquor pump 400 is smaller than the flow rate of the large mother liquor pump 500.
S03, opening the first valve 81, adding water through the first water adding pipe 51, pumping the water to the crystallization tank through the crystallization pump 600, and enabling the reflux liquid in the crystallization tank to flow into the saturator 200 through the reflux pipeline 7 and flow to the full flow tank through the full flow pipe 1.
S04, the second valve 82 and the third valve 83 are opened, and water is supplied through the second water supply pipe 52 and the third water supply pipe 53.
In the acid blending method for preventing the saturator from being blocked, the acidity of the mother liquor in the full-flow tank is increased to 9-12%, the acidity is preferably 9%, and the acidity of 9% means that the mass of sulfuric acid accounts for 9% of the total mass of the mother liquor. Then the acid cleaning is carried out through the first pump body and the second pump body, at the moment, the acidity of the mother liquor is 9% -12%, and impurities adhered in the saturator 200, the full flow pipe 1, the full flow port 3 and the communicating pipe 2 can be effectively cleaned. Then the first valve body 81 is opened to pass through the first water replenishing pipe 51, water entering through the first water replenishing pipe 51 is pumped to a crystallization tank by the crystallization pump 600, backflow liquid flows into the saturator 200 and flows to a full-flow tank through the full-flow pipe 1, and the full-flow pipe 1 and the full-flow port 3 can be cleaned in the process; and finally, the second valve body 82 and the third valve body 83 are opened, water is supplemented through the second water supplementing pipe 52 and the third water supplementing pipe 53, the full flow pipe 1 and the communicating pipe 2 can be washed again in the water supplementing process, the cleaning effect of the full flow pipe 1 and the communicating pipe 2 is further improved, the mother liquor in the saturator 200 is enabled to circulate smoothly, the liquid level is reduced, the gas channel is widened, the resistance of the saturator 200 is reduced, and the stable operation of a fan for providing gas is ensured.
Further, step S02 specifically includes the following steps:
s021, pumping the mother liquid in the full-flow tank to the upper part inside the saturator 200 through the first pump body, and spraying washing coal gas.
S022, enabling a part of the mother liquor in the upper chamber of the saturator 200 to enter a full-flow tank through a full-flow pipe 1; the other part is pumped to the upper part of the saturator 200 through a second pump body and sprayed with washing coal gas. Through the arrangement of the method, the mother liquor pumped out from the first pump body is sprayed from the upper part of the interior of the saturator 200, so that the interior of the saturator 200 can be effectively cleaned, and the full-flow port 3 and the full-flow pipe 1 can be cleaned in the process that the mother liquor with the raised liquid level in the saturator 200 flows into the full-flow groove through the full-flow port 3 and the full-flow pipe 1; the mother liquid in saturator 200 is caused to circulate in the upper and lower chambers by the mother liquid pumped out from the second pump body, and the full flow port 3 and the inside of communication pipe 2 are effectively cleaned.
Wherein step S02 lasts 60-90 minutes. When the acidity is raised to 9%, the pickling time is preferably 80 minutes. Of course, the longer the pickling time, the more beneficial the impurity removal, but the cleaning process will not produce ammonium sulfate, affecting the yield. Therefore, a scheme of controlling the cleaning time and pickling for 80 minutes is needed, so that impurities can be removed completely, the time for not producing ammonium sulfate can be shortened as far as possible, and the production efficiency can be enlarged as far as possible. Of course, when the acidity is raised to 10%, the pickling time is preferably 70 minutes.
Preferably, in this embodiment, the temperature of the water supplied by the first water supply pipe 51 is 60 ℃ to 90 ℃. The water to be supplied by the first water supply pipe 51 is soft water, not production water, and the temperature is preferably 65 ℃. This temperature setting helps to improve the cleaning effect on impurities, soft water refers to water containing no or less soluble calcium, magnesium compounds. Therefore, the front and rear pipelines of the crystallization pump 600 and the corresponding crystallization pump 600 can be cleaned. Further, the pressure of the water supplied from the first water supply pipe 51 is 0.5MPa or more, preferably 0.5 MPa. This pressure setting can erode impurity, further improves the cleaning performance of impurity.
In order to ensure that the crystallization pump 600 and the front and rear pipelines can be cleaned, in this embodiment, the duration of step S03 is optionally longer than 5 minutes. Of course, in other embodiments, the adjustment may be performed according to the water temperature and the water pressure, and is not limited thereto.
Optionally, the temperature of the water in the second make-up water pipe 52 is 60 ℃ to 90 ℃. The temperature of the water in the third water replenishing pipe 53 is 60 ℃ to 90 ℃. This temperature is provided with and helps improving the cleaning performance to impurity, and then can effectively clear up the impurity in full flow tube 1 and communicating pipe 2. Preferably, the coal gas washing apparatus includes a fourth make-up water pipe 54, an outlet of the fourth make-up water pipe 54 is connected in parallel with an outlet of the second production water pipe 62, and a fourth valve body 84 is provided on the fourth make-up water pipe 54. The temperature of the water in the fourth water replenishing pipe 54 is 60-90 ℃. The water in the fourth water replenishing pipe 54 is soft water, not production water, and the temperature is preferably 65 ℃. Further, in step S04, the pressure of the water in the second water replenishing pipe 52 is greater than or equal to 0.5 MPa. The pressure of water in the third water replenishing pipe 53 is 0.5MPa or more, preferably 0.5 MPa. This pressure setting can erode impurity, further improves the cleaning performance of impurity. Of course, when the fourth water replenishing pipe 54 is provided, it is only necessary to ensure that the pressure of the water in the fourth water replenishing pipe 54 is greater than or equal to 0.5 MPa.
In this embodiment, optionally, in step S04, when the mother liquid in the full flow groove rises and then flows into the mother liquid storage tank 300 through the overflow pipe 4, and the height in the mother liquid storage tank 300 reaches a preset height, the water replenishment is stopped, that is, a liquid level sensor is arranged in the mother liquid storage tank 300 to test the liquid level. The water replenishing quantity can be accurately controlled by the arrangement. It should be noted that the working principle of the liquid level sensor is well known to those skilled in the art, and therefore, the detailed description of the specific structural model and the working principle of the liquid level sensor is omitted. Of course, in other embodiments, the water replenishing amount may be controlled by time, and optionally, the second valve body 82 and the third valve body 83 are both solenoid valves and are closed after being opened for a preset time. The setting structure is simple, and the operation is convenient. Further, in this embodiment, a scheme of combining an electromagnetic valve and a liquid level sensor can be adopted, and this arrangement makes water amount control more accurate, and is favorable for improving the success rate of water replenishing work.
Example two
Referring to fig. 2, the present embodiment further provides a coal gas washing apparatus, wherein the coal gas washing apparatus includes a full-flow tank, a saturator 200, a mother liquor storage tank 300, an acid pump 700, a small mother liquor pump 400, and a large mother liquor pump 500; coal gas is sent to the upper part of the saturator 200 through a fan, and the acid pump 700 can pump the sulfuric acid to the full flow groove; the small mother liquor pump 400 can pump the mother liquor in the full flow groove to the upper part of the saturator 200, spray the mother liquor through the spray head, and clean the coal gas; a full flow pipe 1 is arranged in the middle of the saturator 200, the mother liquor in the saturator 200 flows to the full chute 100 through the full flow port 3 and the full flow pipe 1, an overflow pipe 4 is arranged between the full flow pipe and the mother liquor storage tank 300, and the mother liquor in the full flow pipe flows to the mother liquor storage tank 300 when exceeding a preset position; the large mother liquor pump 500 can pump out the mother liquor in the upper chamber of the saturator 200, part of the mother liquor is sent to the upper part of the saturator 200 and sprayed through a spray head, coal gas is cleaned, and part of the mother liquor is sent to the lower chamber of the saturator 200; the saturator 200 is provided with a communicating pipe 2, and the communicating pipe 2 is communicated with a full flow port 3 and a lower chamber; the inlet of the crystallization pump 600 is communicated with the lower chamber through an upper pipeline, the outlet of the first production water pipeline 61 is communicated with the upper pipeline, and a valve body is arranged on the first production water pipeline 61; one end of the second water replenishing pipe 52 is communicated with the second production water pipeline 62, the other end is communicated with the full flow pipe 1, one end of the third water replenishing pipe 53 is communicated with the second production water pipeline 62, the other end is communicated with the communicating pipe 2, and each pipeline is provided with a valve body.
In this embodiment, it is preferable that the coal gas washing apparatus further includes a first water replenishing pipe 51, an outlet of the first water replenishing pipe 51 is arranged in parallel with an outlet of the first production water pipe 61, and a first valve 81 is arranged on the first water replenishing pipe 51. Still set up and to supply soft water through first moisturizing pipe 51, and then can improve the clearance effect to crystallization pump 600 and pipeline around crystallization pump 600.
Optionally, the coal gas washing plant includes a fourth make-up water pipe 54, the outlet of the fourth make-up water pipe 54 being connected in parallel with the outlet of the second production water line 62. This arrangement can supply soft water to the second water replenishing pipe 52 and the third water replenishing pipe 53 through the fourth water replenishing pipe 54, thereby enabling effective flushing of the inside of the full flow pipe 1 and the communication pipe 2.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An acid blending method for preventing a saturator from being blocked is applied to coal gas washing equipment and is characterized in that the coal gas washing equipment comprises a first water supplementing pipe (51), an outlet of the first water supplementing pipe (51) is connected with an outlet of a first production water pipeline (61) in parallel, and a first valve body (81) is arranged on the first water supplementing pipe (51); the acid preparation method for preventing the saturator from being blocked comprises the following steps:
s01, supplementing concentrated sulfuric acid into the full-flow tank through an acid pump (700) to enable the acidity of the mother liquor in the full-flow tank to reach 9% -12%;
s02, opening the first pump body and the second pump body, and carrying out acid washing;
s03, opening the first valve body (81), supplementing water through the first water supplementing pipe (51), pumping the water to a crystallization tank through the crystallization pump (600), and enabling reflux liquid in the crystallization tank to flow into the saturator (200) and flow to a full-flow tank through the full-flow pipe (1);
and S04, opening the second valve body (82) and the third valve body (83), and filling water through the second water filling pipe (52) and the third water filling pipe (53).
2. The method for preparing acetic acid to prevent saturator from being blocked according to claim 1, wherein the step S02 includes:
s021, pumping the mother liquor in the full-flow tank to the upper part inside the saturator (200) through a first pump body, and spraying washing coal gas;
s022, enabling a part of mother liquor in an upper chamber of the saturator (200) to enter a full-flow tank through a full-flow pipe (1); the other part is pumped to the upper part of the saturator (200) through a second pump body and sprayed with washing coal gas.
3. The method for preparing acetic acid to prevent saturator from blocking according to claim 1, wherein step S02 lasts for 60-90 minutes.
4. The method for preparing acid to prevent saturator from blocking according to claim 3, wherein the temperature of the water supplemented by the first water supplementing pipe (51) is 60-90 ℃.
5. The acid complexing method for preventing saturator plugging according to claim 4, wherein the pressure of the water is greater than or equal to 0.5 MPa.
6. The method for preparing acetic acid to prevent saturator from blocking according to claim 5, wherein the duration of step S03 is longer than 5 minutes.
7. The acid preparing method for preventing the blockage of the saturator according to the claim 1, wherein in the step S04, the temperature of the water in the second water replenishing pipe (52) is 60-90 ℃, and/or
The temperature of the water in the third water replenishing pipe (53) is 60-90 ℃.
8. The method for preparing acid to prevent saturator from being blocked according to claim 7, wherein in step S04, the pressure of the water in the second water replenishing pipe (52) is greater than or equal to 0.5MPa, and/or
The pressure of water in the third water replenishing pipe (53) is greater than or equal to 0.5 MPa.
9. The method for preparing acid to prevent saturator from being blocked according to claim 1, wherein in step S04, when the mother liquid in the overflow tank rises and then flows into the mother liquid storage tank (300) through the overflow pipe (4), and the height in the mother liquid storage tank (300) reaches the preset height, the water supply is stopped.
10. The coal gas washing equipment is characterized by comprising a first water supplementing pipe (51), wherein the outlet of the first water supplementing pipe (51) is connected with the outlet of a first production water pipeline (61) in parallel, and a first valve body (81) is arranged on the first water supplementing pipe (51).
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB653325A (en) * | 1947-09-17 | 1951-05-16 | Koppers Co Inc | Improvements in or relating to the production of ammonium sulphate and the recovery of pyridine |
| FR1088003A (en) * | 1952-09-22 | 1955-03-02 | George Royston & Son Ltd | Improvements in the production of ammonium sulphate |
| JPH0881215A (en) * | 1994-09-12 | 1996-03-26 | Nkk Corp | Production of granular ammonium sulfate |
| CN104528764A (en) * | 2015-01-26 | 2015-04-22 | 四川弘征科技有限公司 | Comprehensive recovery and utilization system and method for ammonia gas containing low-carbon alcohol |
| CN111647444A (en) * | 2019-03-19 | 2020-09-11 | 孝义市鹏飞实业有限公司 | Heavy metal treatment device for desulfurization solution |
| CN113274931A (en) * | 2021-06-08 | 2021-08-20 | 中冶焦耐(大连)工程技术有限公司 | Acid adding process and system for recovering ammonia in production of ammonium sulfate by saturator method |
| CN215249600U (en) * | 2021-07-08 | 2021-12-21 | 郑州鸿跃环保科技有限公司 | Device for preparing ammonium sulfate by utilizing tail gas in aluminum ash denitrification process |
| CN215799348U (en) * | 2021-08-04 | 2022-02-11 | 中冶焦耐(大连)工程技术有限公司 | Ammonium sulfate full-flow groove acid tar recovery equipment |
-
2022
- 2022-04-12 CN CN202210382265.7A patent/CN114653298B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB653325A (en) * | 1947-09-17 | 1951-05-16 | Koppers Co Inc | Improvements in or relating to the production of ammonium sulphate and the recovery of pyridine |
| FR1088003A (en) * | 1952-09-22 | 1955-03-02 | George Royston & Son Ltd | Improvements in the production of ammonium sulphate |
| JPH0881215A (en) * | 1994-09-12 | 1996-03-26 | Nkk Corp | Production of granular ammonium sulfate |
| CN104528764A (en) * | 2015-01-26 | 2015-04-22 | 四川弘征科技有限公司 | Comprehensive recovery and utilization system and method for ammonia gas containing low-carbon alcohol |
| CN111647444A (en) * | 2019-03-19 | 2020-09-11 | 孝义市鹏飞实业有限公司 | Heavy metal treatment device for desulfurization solution |
| CN113274931A (en) * | 2021-06-08 | 2021-08-20 | 中冶焦耐(大连)工程技术有限公司 | Acid adding process and system for recovering ammonia in production of ammonium sulfate by saturator method |
| CN215249600U (en) * | 2021-07-08 | 2021-12-21 | 郑州鸿跃环保科技有限公司 | Device for preparing ammonium sulfate by utilizing tail gas in aluminum ash denitrification process |
| CN215799348U (en) * | 2021-08-04 | 2022-02-11 | 中冶焦耐(大连)工程技术有限公司 | Ammonium sulfate full-flow groove acid tar recovery equipment |
Non-Patent Citations (3)
| Title |
|---|
| 《中国冶金企业选购设备指南•焦化和耐材设备》编辑委员会编: "《中国冶金企业选购设备指南•焦化和耐材设备》", 29 February 2008, 冶金工业出版社, pages: 308 * |
| 上海五冶检修公司编著: "《煤气净化设备状态维护与检修技术》", 30 September 2006, 上海交通大学出版社, pages: 68 - 69 * |
| 何建平等: "《炼焦化学产品回收技术》", 30 April 2006, 冶金工业出版社, pages: 78 * |
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