CN203065406U - Catalyst metering adding device - Google Patents
Catalyst metering adding device Download PDFInfo
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- CN203065406U CN203065406U CN 201320015423 CN201320015423U CN203065406U CN 203065406 U CN203065406 U CN 203065406U CN 201320015423 CN201320015423 CN 201320015423 CN 201320015423 U CN201320015423 U CN 201320015423U CN 203065406 U CN203065406 U CN 203065406U
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- catalyzer
- pipeline
- catalyst
- metering
- storage tank
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model belongs to the technical field of charging catalysts in the catalytic cracking process of petroleum, and in particular relates to a catalyst metering adding device. The device comprises a catalyst storage tank and a regenerator. A catalyst metering tank is communicated with the bottom of the catalyst storage tank through a metering pipeline. The catalyst metering tank is communicated with the regenerator through a charging pipeline. The metering pipeline and the charging pipeline are respectively provided with a metering control valve and a charging control valve. An air pressure pipe and an emptying pipe are arranged at the top of the catalyst metering tank. The air pressure pipe and the emptying pipe are respectively provided with an air pressure valve and an emptying valve. The charging pipeline is provided with an assistant introducing pipeline which is communicated with an assistant storage tank. The device is simple in structure. The loading amount of the catalyst metering tank is certain. The catalyst is uniformly fluidized through purified air introduced by the air pressure tube, so that the accuracy of adding the catalysts is ensured. The assistant has the assistant function to the catalyst, so that the yield and quality of catalytic cracking products are ensured.
Description
Technical field
The utility model belongs to catalyzer feeding technique field in the petroleum catalytic cracking process, relates in particular to a kind of catalyzer and is metered into device.
Background technology
Catalytic cracking is one of most important light materialization of heavy oil process, occupies very consequence in the production of light-end productss such as gasoline and diesel oil, and catalytic cracking is that mink cell focus is in the presence of catalyzer, about 500 ℃, 1 * 10
5~ 3 * 10
5Under the Pa cracking takes place, generate the process of lightweight oil, gas and coke, catalytic cracking is that modern refinery is used for the core technology of upgrading heavy gas oil and residual oil, is the important means that refinery obtains economic benefit.
In the catalytic cracking process of oil, feed oil enters from the bottom of riser reactor, contacts with high temperature catalyst from revivifier and vaporization immediately, and oil gas is carrying the catalyzer high linear speed and passes through riser reactor with atomizing steam and the pre-steam that promotes.
Catalyzer all has great effect for product yield, quality product and the economic benefit of catalytic cracking process, therefore the accuracy of catalyzer add-on directly affects the process of whole petroleum catalytic cracking, and the prior art employing is catalyzer directly to be added to carry out preheating in the revivifier from the catalyzer storage tank, cause the amount of the catalyzer that adds inaccurate, thereby influence the quality of catalytic cracking product.
The utility model content
Technical problem to be solved in the utility model is: the deficiency at prior art exists provides a kind of catalyzer of accurate measurement to be metered into device.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Catalyzer is metered into device, comprise catalyzer storage tank and revivifier, the bottom of described catalyzer storage tank is communicated with the catalyzer test tank by the metering pipeline, described catalyzer test tank is communicated with revivifier by feeding tube, is respectively equipped with measuring control valve and reinforced control valve on described metering pipeline and the feeding tube.
As a kind of improvement, the top of described catalyzer test tank is provided with wind-pressure tube and blow-down pipe, is respectively equipped with blast valve and blow-off valve on described wind-pressure tube and the blow-down pipe.
As improving further, described feeding tube is provided with auxiliary agent and feeds pipeline, and described auxiliary agent feeds pipeline and is communicated with addition agent storage tank, and described auxiliary agent feeds pipeline and is provided with the auxiliary agent control valve.
Owing to adopted technique scheme, the beneficial effects of the utility model are:
The catalyzer that the utility model provides is metered into device and comprises catalyzer storage tank, catalyzer test tank, wind-pressure tube, blow-down pipe, addition agent storage tank and revivifier, and it is simple in structure; When catalyzer enters the catalyzer test tank from the catalyzer storage tank through measuring pipeline, close the blast valve, open blow-off valve, make air in the catalyzer test tank by emptying, in order to avoid influence the accuracy of catalyzer add-on, catalyzer from the catalyzer test tank when feeding tube enters revivifier, open the blast valve, close blow-off valve, in the catalyzer test tank, feed purification wind through wind-pressure tube, this purifies wind as power wind, can avoid the catalyzer caking that makes moist to stop up, make that the catalyst fluidization in the catalyzer test tank is even, catalyzer can enter in the revivifier fully, guarantees that the catalytic amount that adds is accurate, and auxiliary agent enters the feeding tube with after the catalyst mix through auxiliary agent feeding pipeline from addition agent storage tank and enters in the revivifier, auxiliary agent helps out to catalyzer, as promoting that CO is converted into CO in the regenerated flue gas
2, improve in gasoline octane rating, the passivation raw material heavy metal to catalyst activity toxicity, reduce the content of the sulfide in the flue gas etc., further guaranteed the quality of catalytic cracking product.
Description of drawings
Fig. 1 is the structural representation that catalyzer that the utility model provides is metered into device;
Wherein: 1-catalyzer storage tank, 2-measures pipeline, 3-catalyzer test tank, 4-feeding tube, 5-revivifier, the 6-auxiliary agent feeds pipeline, 7-addition agent storage tank, 21-measuring control valve, 31-wind-pressure tube, 32-blow-down pipe, the 41-control valve that feeds in raw material, 61-auxiliary agent control valve, 311-blast valve, 321-blow-off valve.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The catalyzer that Fig. 1 shows the utility model to be provided is metered into the structural representation of device, and for convenience of explanation, this figure only provides the structure division relevant with the utility model.
Embodiment one
Catalyzer is metered into device and comprises catalyzer storage tank 1, the bottom of catalyzer storage tank 1 is communicated with catalyzer test tank 3 by metering pipeline 2, the loading amount of catalyzer test tank is 0.5t, metering pipeline 2 is provided with measuring control valve 21, catalyzer test tank 3 is communicated with revivifier 5 by feeding tube 4, feeding tube 4 is provided with reinforced control valve 41, open measuring control valve, make catalyzer from the catalyzer storage tank, flow in the catalyzer test tank, when filling it up with, the catalyzer test tank closes measuring control valve, open reinforced control valve, catalyzer flow in the revivifier from test tank, the loading amount of catalyzer test tank is certain, thereby make that the amount that at every turn adds to the catalyzer in the revivifier is certain, can guarantee that the add-on of catalyzer is accurate, thereby guarantee productive rate and the quality of catalytic cracking product.
Embodiment two
Catalyzer is metered into device and comprises catalyzer storage tank 1, the bottom of catalyzer storage tank 1 is communicated with catalyzer test tank 3 by metering pipeline 2, metering pipeline 2 is provided with measuring control valve 21, the top of catalyzer test tank 3 is provided with wind-pressure tube 31 and blow-down pipe 32, be respectively equipped with blast valve 311 and blow-off valve 321 on wind-pressure tube 31 and the blow-down pipe 32, when catalyzer enters the catalyzer test tank from the catalyzer storage tank through measuring pipeline, close the blast valve, open blow-off valve, make air in the catalyzer test tank by emptying, in order to avoid influence the accuracy of catalyzer add-on, catalyzer from the catalyzer test tank when feeding tube enters revivifier, open the blast valve, close blow-off valve, in the catalyzer test tank, feed purification wind through wind-pressure tube, this purifies wind as power wind, can avoid the catalyzer caking that makes moist to stop up, and makes that the catalyst fluidization in the catalyzer test tank is even, catalyzer can enter in the revivifier fully, guarantees that the catalytic amount that adds is accurate;
Catalyzer test tank 3 is communicated with revivifier 5 by feeding tube 4, feeding tube 4 is provided with reinforced control valve 41, also be provided with auxiliary agent on the feeding tube 4 and feed pipeline 6, auxiliary agent feeds pipeline 6 and is communicated with addition agent storage tank 7, auxiliary agent feeds pipeline 6 and is provided with auxiliary agent control valve 61, auxiliary agent enters the feeding tube with after the catalyst mix through auxiliary agent feeding pipeline from addition agent storage tank and enters in the revivifier, and auxiliary agent helps out to catalyzer, as promoting that CO is converted into CO in the regenerated flue gas
2, improve in gasoline octane rating, the passivation raw material heavy metal to catalyst activity toxicity, reduce the content of the sulfide in the flue gas etc., further guaranteed the quality of catalytic cracking product.
The working process that this catalyzer is metered into device is: open measuring control valve and blow-off valve, catalyzer is flow to the catalyzer test tank from the catalyzer storage tank through the metering pipeline, when the catalyzer test tank is filled it up with, close measuring control valve and blow-off valve, open blast valve and auxiliary agent control valve, after catalyzer and auxiliary agent are mixed, open reinforced control valve in feeding tube, catalyzer and auxiliary agent are flow in the revivifier.
The catalyzer that the utility model provides is metered into device and comprises the catalyzer storage tank, the metering pipeline, the catalyzer test tank, wind-pressure tube, blow-down pipe, addition agent storage tank, auxiliary agent feeds pipeline, feeding tube and revivifier, it is simple in structure, because the loading amount of catalyzer test tank is certain, make the accuracy that adds the catalytic amount in the revivifier improve, the purification wind energy that feeds by wind-pressure tube enough avoids the catalyzer caking that makes moist to stop up, make catalyst fluidization even, catalyzer in the catalyzer test tank can enter in the revivifier fully, further guaranteed the accuracy of the catalytic amount of adding, auxiliary agent helps out to catalyzer in catalytic cracking process, as promoting that CO is converted into CO in the regenerated flue gas
2, improve in gasoline octane rating, the passivation raw material heavy metal to catalyst activity toxicity, reduce the content of the sulfide in the flue gas etc., further guaranteed the quality of catalytic cracking product.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. catalyzer is metered into device, comprise catalyzer storage tank and revivifier, it is characterized in that: the bottom of described catalyzer storage tank is communicated with the catalyzer test tank by the metering pipeline, described catalyzer test tank is communicated with revivifier by feeding tube, is respectively equipped with measuring control valve and reinforced control valve on described metering pipeline and the feeding tube.
2. catalyzer as claimed in claim 1 is metered into device, it is characterized in that: the top of described catalyzer test tank is provided with wind-pressure tube and blow-down pipe, is respectively equipped with blast valve and blow-off valve on described wind-pressure tube and the blow-down pipe.
3. catalyzer as claimed in claim 1 or 2 is metered into device, it is characterized in that: described feeding tube is provided with auxiliary agent and feeds pipeline, and described auxiliary agent feeds pipeline and is communicated with addition agent storage tank, and described auxiliary agent feeds pipeline and is provided with the auxiliary agent control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015423 CN203065406U (en) | 2013-01-12 | 2013-01-12 | Catalyst metering adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015423 CN203065406U (en) | 2013-01-12 | 2013-01-12 | Catalyst metering adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203065406U true CN203065406U (en) | 2013-07-17 |
Family
ID=48764220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320015423 Expired - Lifetime CN203065406U (en) | 2013-01-12 | 2013-01-12 | Catalyst metering adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203065406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199771A (en) * | 2015-08-14 | 2015-12-30 | 内蒙古伊泰煤制油有限责任公司 | Catalyst replacement system and method for slurry bed reactor |
| CN106338314A (en) * | 2016-09-21 | 2017-01-18 | 北京瑞思达化工设备有限公司 | Control method for powdery solid material metering |
-
2013
- 2013-01-12 CN CN 201320015423 patent/CN203065406U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199771A (en) * | 2015-08-14 | 2015-12-30 | 内蒙古伊泰煤制油有限责任公司 | Catalyst replacement system and method for slurry bed reactor |
| CN106338314A (en) * | 2016-09-21 | 2017-01-18 | 北京瑞思达化工设备有限公司 | Control method for powdery solid material metering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |