IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0733892
(2008-09-26)
|
등록번호 |
US-8479572
(2013-07-09)
|
우선권정보 |
JP-2007-252522 (2007-09-27) |
국제출원번호 |
PCT/JP2008/067427
(2008-09-26)
|
§371/§102 date |
20100423
(20100423)
|
국제공개번호 |
WO2009/041579
(2009-04-02)
|
발명자
/ 주소 |
- Onishi, Yasuhiro
- Kato, Yuzuru
- Yamada, Eiichi
|
출원인 / 주소 |
- Nippon Steel Engineering Co. Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
5 |
초록
▼
There is provided a bubble column type hydrocarbon synthesis reactor which synthesizes a hydrocarbon compound by a chemical reaction of a synthesis gas including hydrogen and carbon monoxide as main components, and a slurry having solid catalyst particles suspended in liquid. The hydrocarbon synthes
There is provided a bubble column type hydrocarbon synthesis reactor which synthesizes a hydrocarbon compound by a chemical reaction of a synthesis gas including hydrogen and carbon monoxide as main components, and a slurry having solid catalyst particles suspended in liquid. The hydrocarbon synthesis reactor includes a reactor main body which accommodates the slurry, a synthesis gas supplying section which supplies the synthesis gas to the slurry; one pressure sensor which is arranged higher than the liquid level of the slurry to measure the pressure of the synthesis gas above the liquid level, another pressure sensor which is arranged lower than the liquid level of the slurry to measure the pressure of the slurry, and a liquid level detecting device which detects a liquid level position of the slurry on the basis of measurement results of the pressure sensors. A plurality of the other pressure sensors are provided at arbitrary intervals in an axial direction of the reactor main body.
대표청구항
▼
1. A bubble column type hydrocarbon synthesis reactor for synthesizing a hydrocarbon compound by a chemical reaction of a synthesis gas including hydrogen and carbon monoxide as main components, and a slurry having solid catalyst particles suspended in liquid, the hydrocarbon synthesis reactor compr
1. A bubble column type hydrocarbon synthesis reactor for synthesizing a hydrocarbon compound by a chemical reaction of a synthesis gas including hydrogen and carbon monoxide as main components, and a slurry having solid catalyst particles suspended in liquid, the hydrocarbon synthesis reactor comprising: a reactor main body for accommodating the slurry;a synthesis gas supplying section for supplying the synthesis gas to the slurry;a first pressure sensor which is arranged higher than the liquid level of the slurry to measure the pressure of the synthesis gas above the liquid level;a plurality of second pressure sensors which are arranged lower than the liquid level of the slurry to measure the pressure of the slurry;temperature sensors for measuring temperatures of the slurry; anda liquid level detecting device for detecting a liquid level position of the slurry on the basis of measurement results of the first and second pressure sensors,wherein the plurality of second pressure sensors are provided at arbitrary intervals in an axial direction of the reactor main body,wherein the temperature sensors are respectively provided within sections existing between the second pressure sensors adjacent to each other in the reactor main body, andwherein the liquid level detecting device is configured to individually correct the density of the slurry obtained on the basis of the composition of the slurry within each of the sections, on the basis of a measurement result of the temperature sensor arranged in the section corresponding to the density, and detect the liquid level position of the slurry on the basis of the corrected density of the slurry and the measurement results of the first and second pressure sensors. 2. The bubble column type hydrocarbon reactor according to claim 1, further comprising: a plurality of auxiliary temperature sensors for measuring temperatures within the reactor main body, wherein the plurality of auxiliary temperature sensors are arranged side by side in the axial direction of the reactor main body, in the vicinity of the liquid level in a state where the synthesis gas is stably supplied to the slurry by the synthesis gas supplying section, andwherein the liquid level detecting device is configured to detect the liquid level position of the slurry on the basis of measurement results of the plurality of auxiliary temperature sensors during a period from a state where the synthesis gas is not supplied into the slurry to a state where the supply of the synthesis gas is started and the synthesis gas is stably supplied into the slurry. 3. A slurry level detecting method of, when a synthesis gas including hydrogen and carbon monoxide as main components and a slurry having solid catalyst particles suspended in liquid are chemically reacted to synthesize a hydrocarbon compound, detecting a liquid level position of the slurry accommodated in the reactor main body, the method comprising the steps of: measuring a differential pressures ΔPn (n and m are positive integers, n=1, 2, . . ., m−1, and m, and m≧3) between the pressure of the synthesis gas above the liquid level of the slurry and the pressures of the slurry at a plurality of depth positions which are different from the liquid level;calculating a volume fraction εn of the synthesis gas between the pressure measurement positions of the slurry which are adjacent to each other, according to the following Equation: ΔPn−ΔPn−1=ρSLn×Ln×(1−εn),n and m are positive integers, n =2, 3, . . ., m−1, m,on the basis of a plurality of the differential pressures ΔPn, the axial distance Ln between the pressure measurement positions of the slurry which are adjacent to each other, and the density ρSLn of the slurry between the pressure measurement positions of the slurry which are adjacent to each other, on the definition that a differential pressure between the pressure of the synthesis gas and the pressure of the slurry measured in a first measurement position nearest from the liquid level is defined as ΔP1, and as “n” is greater, the depth from the liquid level becomes greater;obtaining a volume fraction ε1 of the synthesis gas between the first measurement position and the liquid level on the basis of the volume fraction εn of the synthesis gas; andobtaining a distance h from the first measurement position to the liquid level according to the following Equation: ΔP1=ρSL1×h×(1−ε1),on the basis of the volume fraction ε1, the differential pressure ΔP1, and the density ρSLI of the slurry between the first measurement position and the liquid level. 4. The slurry level detecting method according to claim 3, wherein the density of the slurry is obtained on the basis of the composition of the slurry and the temperature of the slurry is measured, andthe density of the slurry is corrected on the basis of the temperature of the slurry. 5. The slurry level detecting method according to claim 3, wherein the density of the slurry is obtained on the basis of the composition of the slurry and the temperature of the slurry is measured, in every section existing between the pressure measurement positions of the slurry which are adjacent to each other in the reactor main body, andon the basis of the temperature of the slurry in each section, the density of the slurry in the section corresponding to the temperature is corrected individually.
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