CN209735547U - Granulation cooling system of sodium bisulfate - Google Patents
Granulation cooling system of sodium bisulfate Download PDFInfo
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- CN209735547U CN209735547U CN201822273138.5U CN201822273138U CN209735547U CN 209735547 U CN209735547 U CN 209735547U CN 201822273138 U CN201822273138 U CN 201822273138U CN 209735547 U CN209735547 U CN 209735547U
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Abstract
The utility model discloses a granulation cooling system of sodium bisulfate, which comprises a sodium bisulfate source, a sodium sulfate storage tank, a melting kettle, a high-pressure pump, a granulation tower, a vibrating fluidized bed, an air blower, an induced draft fan and a packaging machine; the granulation tower comprises a tower body, and an atomizing nozzle is arranged above the inside of the tower body; an air inlet is formed in the top of the tower body; the side wall of the tower body is provided with a plurality of air supplementing ports along the circumferential direction of the tower body; the bottom of the tower body is provided with an air outlet and a discharge outlet. Has the advantages that: the utility model has simple connection and easy realization; the contact area between the sodium bisulfate liquid drops and cold air is enlarged, the cooling effect is good, and the air inlet speed of the air inlet can be reduced, so that the sodium bisulfate is prevented from being hardened and blown into powder, and the quality of sodium bisulfate particles is improved; avoid sodium bisulfate granule to absorb water, and then avoid appearing the condition such as caking, improve sodium bisulfate's quality, satisfy customer's demand.
Description
the technical field is as follows:
The utility model relates to a cooling system especially relates to a granulation cooling system of sodium bisulfate.
Background art:
The prior process for producing sodium bisulfate is to mix dilute sulfuric acid and sodium sulfate, then convey the mixed solution into a heat exchanger for heating reaction to form sodium bisulfate, introduce the heated sodium bisulfate solution into a separator for gas-liquid separation to realize the evaporation concentration of the sodium bisulfate solution, then crystallizing the sodium bisulfate concentrated solution in a crystallizing device to form sodium bisulfate crystallized particles containing 2 percent of moisture and 4 percent of sulfuric acid, then feeding the sodium bisulfate crystal particles and sodium sulfate into a melting kettle to be melted to form sodium bisulfate liquid, then the sodium bisulfate liquid is sprayed downwards from an atomizing nozzle at the top of the prilling tower through a high-pressure pump, simultaneously, a blower blows cold air blown downwards into an air inlet at the top of the granulation tower, so that atomized sodium bisulfate liquid drops are cooled and crystallized, and finally sodium bisulfate crystallized particles are formed and discharged and are packaged by a packaging machine; however, the cooling method using the prilling tower has the following problems: 1. when the air inlet speed of the air inlet is high, sodium bisulfate liquid drops are easily blown to be powder and cannot be granulated; when the air inlet speed is low, the dropping speed of sodium bisulfate drops is high, the cooling effect is poor, the sodium bisulfate drops are easy to harden, and the quality of the formed sodium bisulfate particles is reduced; 2. the temperature of the sodium bisulfate particles discharged from the granulation tower is higher, the sodium bisulfate particles with high temperature are very easy to absorb water, and then the conditions such as caking can occur, the quality of the sodium bisulfate is reduced, and the requirements of customers can not be met.
The utility model has the following contents:
An object of the utility model is to provide a connect simply, and improved the granulation cooling system of sodium bisulfate granule quality.
The utility model discloses by following technical scheme implement: a granulation cooling system for sodium bisulfate comprises a sodium bisulfate source, a sodium sulfate storage tank, a melting kettle, a high-pressure pump, a granulation tower, a vibrating fluidized bed, a blower, an induced draft fan and a packaging machine; the granulation tower comprises a tower body, and an atomizing nozzle is arranged above the inside of the tower body; an air inlet is formed in the top of the tower body; the side wall of the tower body is provided with a plurality of air supplementing ports along the circumferential direction of the tower body; the bottom of the tower body is provided with an air outlet and a discharge outlet; the sodium bisulfate source and the sodium sulfate storage tank are both communicated with a feed inlet of the melting kettle; the discharge hole of the melting kettle is communicated with the feed inlet of the high-pressure pump, and the discharge hole of the high-pressure pump is communicated with the feed inlet of the atomizing nozzle; the discharge port is communicated with the feed port of the vibrated fluidized bed; the discharge hole of the vibrating fluidized bed is communicated with the packaging machine; the air outlet of air-blower respectively with the air inlet mend the gas port with the air intake intercommunication of vibrated fluidized bed bottom, the air intake of draught fan respectively with the gas outlet with the air outlet intercommunication at vibrated fluidized bed top.
Further, the oil-cooling device also comprises a heat-conducting oil source and a heat-conducting oil heating furnace, wherein an oil outlet of the heat-conducting oil heating furnace is communicated with an oil inlet of the melting kettle; and the oil outlets of the heat conduction oil source and the melting kettle are communicated with the oil inlet of the heat conduction oil heating furnace.
The utility model has the advantages that: 1. the utility model has simple connection and easy realization; the side wall of the granulation tower is provided with the air supplementing port, so that the sodium bisulfate liquid drops sprayed by the atomizing nozzle are cooled into sodium bisulfate particles by cold air entering from the air inlet and the air supplementing port, the contact area between the sodium bisulfate liquid drops and the cold air is enlarged, the cooling effect is good, the air inlet speed of the air inlet can be reduced, the situation that the sodium bisulfate is hardened and blown into powder is avoided, and the quality of the sodium bisulfate particles is improved; 2. the further cooling of granulation tower exhaust sodium bisulfate granule through vibrated fluidized bed makes sodium bisulfate granule temperature further reduce, avoids sodium bisulfate granule to absorb water, and then avoids the circumstances such as caking to appear, improves sodium bisulfate's quality, satisfies customer's demand.
Description of the drawings:
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
the device comprises a sodium bisulfate source 1, a sodium sulfate storage tank 2, a melting kettle 3, a high-pressure pump 4, a granulation tower 5, a tower body 5.1, an atomizing nozzle 5.2, an air inlet 5.3, an air supplement port 5.4, an air outlet 5.5, a discharge port 5.6, a vibrating fluidized bed 6, an air blower 7, an induced draft fan 8, a packing machine 9, a heat-conducting oil source 10 and a heat-conducting oil heating furnace 11.
the specific implementation mode is as follows:
the present invention will be described in further detail by way of examples with reference to the accompanying drawings.
As shown in fig. 1, a granulation cooling system for sodium bisulfate comprises a sodium bisulfate source 1, a sodium sulfate storage tank 2, a melting kettle 3, a high pressure pump 4, a granulation tower 5, a vibrating fluidized bed 6, a blower 7, an induced draft fan 8, a packaging machine 9, a heat transfer oil source 10 and a heat transfer oil heating furnace 11; the granulation tower 5 comprises a tower body 5.1, and an atomizing nozzle 5.2 is arranged above the inside of the tower body 5.1; an air inlet 5.3 is arranged at the top of the tower body 5.1; a plurality of air supplement ports 5.4 are arranged on the side wall of the tower body 5.1 along the circumferential direction of the tower body 5.1; the bottom of the tower body 5.1 is provided with an air outlet 5.5 and a discharge opening 5.6; the sodium bisulfate source 1 and the sodium sulfate storage tank 2 are both communicated with a feed inlet of the melting kettle 3; an oil outlet of the heat-conducting oil heating furnace 11 is communicated with an oil inlet of the melting kettle 3; an oil outlet of the melting kettle 3 and a heat conduction oil source 10 are both communicated with an oil inlet of a heat conduction oil heating furnace 11; the discharge hole of the melting kettle 3 is communicated with the feed inlet of the high-pressure pump 4, and the discharge hole of the high-pressure pump 4 is communicated with the feed inlet of the atomizing nozzle 5.2; the discharge opening 5.6 is communicated with the feed inlet of the vibrated fluidized bed 6; the discharge hole of the vibrated fluidized bed 6 is communicated with a packaging machine 9; the air outlet of the air blower 7 is respectively communicated with the air inlet 5.3, the air supplementing port 5.4 and the air inlet at the bottom of the vibrated fluidized bed 6, and the air inlet of the induced draft fan 8 is respectively communicated with the air outlet 5.5 and the air outlet at the top of the vibrated fluidized bed 6.
The working principle is as follows: sodium bisulfate particles and sodium sulfate are sent to a melting kettle 3 and are heated and melted to 200-230 ℃ through heat conducting oil, and are stirred in the melting kettle 3 for 6-10 hours, so that sulfuric acid contained in sodium bisulfate liquid and sodium sulfate are completely reacted to generate sodium bisulfate, and moisture in the sodium bisulfate liquid is also evaporated, thereby reducing the content of hydrogen ions in the sodium bisulfate liquid and realizing the drying of the sodium bisulfate; then, sodium bisulfate liquid is pumped into a granulation tower 5 through a high-pressure pump 4 and is sprayed out through an atomizing nozzle 5.2, cold air is fed into an air inlet 5.3 and an air supplement port 5.4 of the granulation tower 5 by an air blower 7, sodium bisulfate liquid drops are cooled to form sodium bisulfate particles, the contact area between the sodium bisulfate liquid drops and the cold air is enlarged, the cooling effect is good, the air inlet speed of the air inlet 5.3 can be reduced, the situation that sodium bisulfate is hardened and blown into powder is avoided, and the quality of the sodium bisulfate particles is improved; then, the sodium bisulfate particles are sent to the vibrating fluidized bed 6 and cooled again by blowing air through the air blower 7, so that the temperature of the sodium bisulfate particles is further reduced, the sodium bisulfate particles are prevented from absorbing water, the conditions of caking and the like are further avoided, the quality of the sodium bisulfate is improved, the requirements of customers are met, and finally the sodium bisulfate particles are sent to the packaging machine 9 for packaging; the utility model discloses connect simply, easily realize.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A granulation cooling system for sodium bisulfate is characterized by comprising a sodium bisulfate source, a sodium sulfate storage tank, a melting kettle, a high-pressure pump, a granulation tower, a vibrating fluidized bed, a blower, an induced draft fan and a packaging machine; the granulation tower comprises a tower body, and an atomizing nozzle is arranged above the inside of the tower body; an air inlet is formed in the top of the tower body; the side wall of the tower body is provided with a plurality of air supplementing ports along the circumferential direction of the tower body; the bottom of the tower body is provided with an air outlet and a discharge outlet; the sodium bisulfate source and the sodium sulfate storage tank are both communicated with a feed inlet of the melting kettle; the discharge hole of the melting kettle is communicated with the feed inlet of the high-pressure pump, and the discharge hole of the high-pressure pump is communicated with the feed inlet of the atomizing nozzle; the discharge port is communicated with the feed port of the vibrated fluidized bed; the discharge hole of the vibrating fluidized bed is communicated with the packaging machine; the air outlet of air-blower respectively with the air inlet mend the gas port with the air intake intercommunication of vibrated fluidized bed bottom, the air intake of draught fan respectively with the gas outlet with the air outlet intercommunication at vibrated fluidized bed top.
2. The granulation cooling system of sodium bisulfate, according to claim 1, characterized in that it further comprises a heat transfer oil source and a heat transfer oil heating furnace, an oil outlet of the heat transfer oil heating furnace is communicated with an oil inlet of the melting kettle; and the oil outlets of the heat conduction oil source and the melting kettle are communicated with the oil inlet of the heat conduction oil heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822273138.5U CN209735547U (en) | 2018-12-29 | 2018-12-29 | Granulation cooling system of sodium bisulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822273138.5U CN209735547U (en) | 2018-12-29 | 2018-12-29 | Granulation cooling system of sodium bisulfate |
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| CN209735547U true CN209735547U (en) | 2019-12-06 |
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| CN201822273138.5U Active CN209735547U (en) | 2018-12-29 | 2018-12-29 | Granulation cooling system of sodium bisulfate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368779A (en) * | 2021-05-28 | 2021-09-10 | 天津水泥工业设计研究院有限公司 | Granulator for dry-pressing ceramic tile dry-process powder-making process |
| CN114405394A (en) * | 2022-02-14 | 2022-04-29 | 南京博纳能源环保科技有限公司 | Granulating device and granulating method for discharging molten silicon |
| CN115430352A (en) * | 2022-11-09 | 2022-12-06 | 山东华农生物制药有限公司 | Liquid medicine granulation equipment based on spray drying |
-
2018
- 2018-12-29 CN CN201822273138.5U patent/CN209735547U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368779A (en) * | 2021-05-28 | 2021-09-10 | 天津水泥工业设计研究院有限公司 | Granulator for dry-pressing ceramic tile dry-process powder-making process |
| CN114405394A (en) * | 2022-02-14 | 2022-04-29 | 南京博纳能源环保科技有限公司 | Granulating device and granulating method for discharging molten silicon |
| CN115430352A (en) * | 2022-11-09 | 2022-12-06 | 山东华农生物制药有限公司 | Liquid medicine granulation equipment based on spray drying |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A granulation cooling system of sodium bisulfate Effective date of registration: 20210224 Granted publication date: 20191206 Pledgee: Bank of China Limited BAYANHOT branch Pledgor: INNER MONGOLIA KAIXUAN DISINFECTION PRODUCTS Co.,Ltd. Registration number: Y2021150000019 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220314 Granted publication date: 20191206 Pledgee: Bank of China Limited BAYANHOT branch Pledgor: INNER MONGOLIA KAIXUAN DISINFECTION PRODUCTS CO.,LTD. Registration number: Y2021150000019 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Granulation cooling system for sodium bisulfate Effective date of registration: 20220316 Granted publication date: 20191206 Pledgee: Bank of China Limited BAYANHOT branch Pledgor: INNER MONGOLIA KAIXUAN DISINFECTION PRODUCTS CO.,LTD. Registration number: Y2022150000010 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |