CONTAINER FOR STORING A LIQUID, AND USE THEREOF

    公开(公告)号:US20180112929A1

    公开(公告)日:2018-04-26

    申请号:US15575660

    申请日:2016-05-19

    申请人: BASF SE

    IPC分类号: F28D20/00

    摘要: The invention relates to a container for storing a liquid, which tends to decompose into gaseous decomposition components in the case of the conditions prevailing in the container (1) and in the case of which a chemical reaction equilibrium results between gaseous decomposition components and liquid, wherein a floating roof (29) is accommodated in the container (1) and the floating roof (29) comprises floats (33), using which the floating roof (29) floats on the liquid, and wherein the floating roof (29) is guided using a sliding seal (45) in the container (1).The invention furthermore relates to a device for storing heat, comprising a first container (57) for storing a colder liquid and a second container (59) for storing a hotter liquid and a use of the container and the device for storing heat.

    SOLAR POWER PLANT COMPRISING A FIRST HEAT TRANSFER CIRCUIT AND A SECOND HEAT TRANSFER CIRCUIT

    公开(公告)号:US20180023421A1

    公开(公告)日:2018-01-25

    申请号:US15548991

    申请日:2016-02-04

    申请人: BASF SE

    摘要: The invention relates to a solar power plant with a first heat transfer medium circuit and with a second heat transfer medium circuit, in which the first heat transfer medium circuit comprises a store (3) for hot heat transfer medium and a store (5) for cold heat transfer medium and also a pipeline system (6) connecting the stores (3, 5) for hot heat transfer medium and for cold heat transfer medium and leading through a solar array (7), and the second heat transfer medium circuit comprises a pipeline system (9) connecting the stores (3, 5) for hot heat transfer medium and for cold heat transfer medium and in which at least one heat exchanger (11) for the evaporation and superheating of water is accommodated, the at least one heat exchanger (11) having a region through which the heat transfer medium flows and a region through which water flows, said regions being separated by a heat-conducting wall, so that heat can be transmitted from the heat transfer medium to the water. Each heat exchanger (11) has a break detection system (21), by means of which a possible break of the heat-conducting wall can be detected, and valves (23) for the closing of supply lines (13, 17) and outflow lines (15, 19) for heat transfer medium and water, upon the detection of a break the valves (23) in the supply lines (13, 17) and outflow lines (15, 19) for heat transfer medium and water being closed.

    USE OF A NITRATE SALT COMPOSITION AS A HEAT TRANSFER OR HEAT STORAGE MEDIUM FOR FIRST OPERATION OF AN APPARATUS CONTAINING THESE MEDIA

    公开(公告)号:US20190137188A1

    公开(公告)日:2019-05-09

    申请号:US16096319

    申请日:2017-04-20

    申请人: BASF SE

    摘要: Use of a nitrate salt composition Z comprising Z1 at least one alkali metal nitrate and optionally alkaline earth metal nitrate and also Z2 at least one alkali metal nitrite and optionally alkaline earth metal nitrite in an amount of Z2 in the range from 1.1 to 15.0 mol % based on the sum of Z1 plus Z2 as heat transfer or heat storage medium in apparatuses in which these heat transfer or heat storage media are comprised at a temperature in the range from 500 to 620° C. and an oxygen partial pressure over the nitrate salt composition in the range from 0.1 to 1.0 atm, wherein the molar amount of the alkali metal nitrite and optionally alkaline earth metal nitrite for a desired temperature selected from the range indicated above and for a desired oxygen partial pressure selected from the range indicated above is calculated by means of the following formula x nitrite = K 6  ( T ) K 6  ( T ) + P O   2 where the variables have the following meanings: xnitrate is the mole fraction of nitrite in a nitrite/nitrate mixture, K6(T) is the temperature-dependent equilibrium constant of the reaction nitrate⇄nitrite+½ oxygen (NO3−⇄ NO2−+½ O2), pO2 is the oxygen partial pressure and T is the temperature of the nitrate salt composition, and the calculated value of the molar concentration of the component Z2 is optionally reduced by 40% or increased by 20% and the nitrate salt composition Z is heated to a maximum operating temperature in the range from 500 to 620° C. in the first start-up of said apparatuses.

    DEVICE FOR STORING A LIQUID
    5.
    发明申请
    DEVICE FOR STORING A LIQUID 审中-公开
    储存液体的装置

    公开(公告)号:US20170074597A1

    公开(公告)日:2017-03-16

    申请号:US15310543

    申请日:2015-05-13

    申请人: BASF SE

    IPC分类号: F28D20/00

    摘要: The invention relates to an apparatus for storing a liquid, comprising at least two series-connected storage cells (3), with hot liquid being able to be supplied to, or removed from, a first storage cell (3) via a first central line (35) and with cold liquid being able to be supplied to, or removed from, a final storage cell of the series-connected storage cells (3) via a second central line (33), and with the temperature of the liquid in the series-connected storage cells (3) decreasing in each case from the first storage cell (3) to the final storage cell (3), and the individual storage cells (3) being connected to one another in each case via a connection (5; 7) from the lower region (11) of the warmer storage cell (3) to the upper region (15) of the colder storage cell (3), and with at least one storage cell (3) being closed by a cover (27) and therefore a gas space (25) being formed between the liquid in the storage cell (3) and the cover (27), wherein a gas line (29) branches off from at least one gas space (25) and enters into the liquid of a colder storage cell (3) or into the liquid in the connection (5; 7) of two adjacent storage cells (3), at least one of the adjacent storage cells (3) having a lower temperature than the temperature of the storage cell (3), from the gas space (25) of which the gas line (29) branches off.

    摘要翻译: 本发明涉及一种用于存储液体的装置,包括至少两个串联连接的存储单元(3),其中热液体能够经由第一中心线(1)向第一储存室(3)供应或从第一储存室 (35),并且能够通过第二中心线(33)将冷液体供应到串联连接的存储单元(3)的最终存储单元或从其中移除,并且液体的温度在 串联连接的存储单元(3)在每种情况下从第一存储单元(3)减小到最终存储单元(3),并且各个存储单元(3)通过连接(5)彼此连接 ; 7)从较暖的存储单元(3)的较低区域(11)到较冷的储存单元(3)的上部区域(15),并且至少一个存储单元(3)由盖子 27),因此在存储单元(3)中的液体和盖(27)之间形成气体空间(25),其中气体管线(29)分支 从至少一个气体空间(25)进入冷却的储存室(3)的液体或进入连接(5; 两个相邻存储单元(3)的至少一个相邻的存储单元(3)中的至少一个相对于存储单元(3)的温度低于存储单元(3)的温度, 29)分支。

    PIPELINE SYSTEM FOR A SOLAR POWER PLANT
    6.
    发明申请
    PIPELINE SYSTEM FOR A SOLAR POWER PLANT 有权
    太阳能发电厂管道系统

    公开(公告)号:US20170009749A1

    公开(公告)日:2017-01-12

    申请号:US15113125

    申请日:2015-01-23

    申请人: BASF SE

    摘要: The invention relates to a pipeline system for a linearly concentrating solar power plant (1) with at least one receiver line (13), in which a heat transfer medium is heated by radiating solar energy, or with a central receiver and at least one emptying tank (21) and/or one store for the heat transfer medium, the heat transfer medium having a vapor pressure of less than 0.5 bar at the maximum operating temperature. Furthermore, a gas displacement system (31) is comprised, which connects gas spaces in the at least one emptying tank (21) and/or in the store for the heat transfer medium to one another and which has a central gas store (35) and/or a central gas connection (37) and a central exhaust gas outlet (39), through which gas can be discharged into the surroundings.

    摘要翻译: 本发明涉及一种用于具有至少一个接收线(13)的线性集中太阳能发电厂(1)的管道系统,其中传热介质通过辐射太阳能加热,或与中央接收器一起加热,并且至少一个排空 罐(21)和/或用于传热介质的一个储存器,传热介质在最大工作温度下具有小于0.5巴的蒸气压。 此外,包括气体置换系统(31),其将至少一个排空罐(21)中的空间和/或用于传热介质的储存器彼此连接并具有中央气体储存器(35) 和/或中央气体连接(37)和中央排气出口(39),气体可以通过该排气口排出到周围。

    STABILIZATION OF SODIUM DITHIONITE BY MEANS OF VARIOUS ADDITIVES

    公开(公告)号:US20180134557A1

    公开(公告)日:2018-05-17

    申请号:US15569792

    申请日:2016-04-19

    申请人: BASF SE

    IPC分类号: C01B17/66 D21C9/10 D06P1/00

    摘要: The present invention relates to a method for reducing or preventing the decomposition of a composition Z comprising Z1 a salt of dithionous acid in an amount ranging from 50 to 100 wt % and optionally Z2 an additive selected from the group consisting of alkali metal carbonate, alkaline earth metal carbonate, alkali metal or alkaline earth metal tripolyphosphate (Na5P3O10), alkali metal or alkaline earth metal sulfite, disulfite or sulfate, dextrose and complexing agents in a combined amount ranging from 0.0001 to 40 wt %, which comprises contacting the components Z1 and optionally Z2 in the solid and/or dry or solvent-dissolved or -suspended state with at least one of the following compounds V in the solid and/or dry or solvent-dissolved or -suspended state, wherein the compounds V are selected from the group consisting of: (a) oxides of the alkali metals lithium, sodium, potassium, rubidium, cesium, or of magnesium, (b) sodium tetrahydroborate (NaBH4), (c) anhydrous copper(II) sulfate (Cu(SO4)), phosphorus pentoxide and (d) basic amino acids arginine, lysine, histidine, wherein the solvent for Z1, optionally Z2 and V is practically water-free.

    METHOD FOR OPERATING A LINEAR CONCENTRATOR SOLAR POWER PLANT, AND LINEAR CONCENTRATOR SOLAR POWER PLANT
    10.
    发明申请
    METHOD FOR OPERATING A LINEAR CONCENTRATOR SOLAR POWER PLANT, AND LINEAR CONCENTRATOR SOLAR POWER PLANT 审中-公开
    线性浓缩器太阳能发电厂和线性浓缩器太阳能发电厂的运行方法

    公开(公告)号:US20170010024A1

    公开(公告)日:2017-01-12

    申请号:US15116246

    申请日:2015-02-05

    申请人: BASF SE

    IPC分类号: F24J2/07 F24J2/34 F24J2/30

    摘要: The invention relates to a method for operating a linearly concentrating solar power plant (1), in which a heat transfer medium flows through a pipeline loop (47) having at least one receiver, the heat transfer medium having a flow velocity which is such that the flow in the pipeline loop (47) is turbulent, at least part of the heat transfer medium, upon exit from the pipeline loop (47), being extracted and recirculated into the pipeline loop (47). Furthermore, the invention relates to a linearly concentrating solar power plant with at least one pipeline loop (47) having at least one receiver in which a heat transfer medium flowing through the pipeline loop (47) is heated by irradiating solar energy, a mixing device (27) being comprised, in which at least part of the heat transfer medium flowing through the pipeline loop (47) is mixed with heat transfer medium to be delivered.

    摘要翻译: 本发明涉及一种用于操作线性聚光太阳能发电厂(1)的方法,其中传热介质流过具有至少一个接收器的管道回路(47),所述传热介质的流速为 管道回路(47)中的流动是湍流的,在从管道回路(47)出口时,传热介质的至少一部分被提取并再循环到管道回路(47)中。 此外,本发明涉及一种具有至少一个具有至少一个接收器的至少一个管道回路(47)的线性集中太阳能发电厂,其中流经管线回路(47)的传热介质通过照射太阳能被加热,混合装置 (27),其中流过管道回路(47)的至少一部分传热介质与要传送的传热介质混合。