Ash slag treatment device based on lignite gasification process

By designing a crushing adjustment component with adjustable spacing and an ash processing device with stirring function, the problem that the existing device cannot adjust the size of the crushed particles is solved, and the multi-purpose processing of ash and heavy metal extraction are achieved.

CN223440684UActive Publication Date: 2025-10-17SHANDONG ENERGY GROUP COAL GASIFICATION & NEW MATERIALS TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202421858560.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-10-17
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

Existing coal gasification ash processing devices do not have the function of adjusting the size of ash crushed particles, resulting in limited scope of use.

Method used

An ash treatment device based on the lignite gasification process was designed. It includes a crushing and adjusting component and a stirring component. The ash is crushed by an adjustable fixed roller and an adjustable roller spacing, and chemical reagents are added through a liquid inlet pipe for heavy metal extraction.

Benefits of technology

The particle size of ash crushed can be adjusted to meet different processing requirements, and heavy metal extraction can be performed, thus expanding the scope of use of the device.

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Abstract

The utility model relates to the technical field of coal gasification processing, and particularly discloses an ash slag treatment device based on a lignite gasification process, a storage barrel is arranged above a frame seat, a stirring part is further arranged in the storage barrel, two feeding frames I are further arranged on two sides of the storage barrel, a rolling adjustment part is further arranged above the feeding frames I, and a feeding frame II is further arranged above the rolling adjustment part. A liquid inlet pipe is connected to the upper part of the storage cylinder; a liquid discharging pipe is arranged at the bottom of the frame seat, the liquid discharging pipe is communicated with the storage barrel, an electromagnetic valve is arranged on the liquid discharging pipe, a filter screen is arranged in the liquid discharging pipe, and a discharging valve and a discharging plate which are fixedly connected are further arranged at the bottom of the frame seat; the frame seat is further provided with a switch, and the discharging valve and the electromagnetic valve are both electrically connected with the switch. According to the device, the grinding adjusting part is provided with the distance adjusting part capable of adjusting the distance between the fixed grinding wheel and the adjusting grinding wheel, so that the requirement for treating ash residues with different particle sizes can be met, and in addition, heavy metal in the ash residues can be extracted.
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Description

Technical Field

[0001] The utility model relates to the technical field of coal gasification processing, in particular to an ash treatment device based on a lignite gasification process. Background Art

[0002] Coal gasification ash represents a significant portion of solid waste. Proper utilization of this ash not only eliminates its harmful effects but also conserves significant resources, transforming waste into valuable resources. Typically, processed coal gasification ash is used for cement and concrete production, brickmaking, adsorption, and the separation of heavy metals based on their content.

[0003] The currently common coal gasification ash processing device does not have the function of adjusting the size of the ash crushed particles when in use, so its scope of use is limited. Utility Model Content

[0004] The utility model provides an ash treatment device based on a lignite gasification process to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An ash treatment device based on a lignite gasification process comprises a frame seat, a storage cylinder is provided above the frame seat, a stirring component is provided in the storage cylinder, two feeding frames are provided on both sides of the storage cylinder, a crushing adjustment component is provided above the feeding frame, and a liquid inlet pipe is connected to the top of the storage cylinder;

[0007] A drain pipe is provided at the bottom of the frame seat, the drain pipe is communicated with the storage tube, a solenoid valve is provided on the drain pipe, a filter is provided inside the drain pipe, and a fixed discharge valve and a discharge plate are also provided at the bottom of the frame seat; a switch is also provided on the frame seat, and the discharge valve and the solenoid valve are both electrically connected to the switch.

[0008] Preferably, the stirring component includes an N-shaped fixed plate, which is fixed above the storage tube. A motor 1 is provided below the N-shaped fixed plate. The output shaft of the motor 1 is connected to a rotating rod, which is located in the storage tube. Four stirring plates are fixedly connected to the side of the lower end of the rotating rod, and the motor 1 is electrically connected to the switch.

[0009] Preferably, the rolling adjusting part comprises two fixed frames fixedly connected, the lower end of the fixed frame is fixedly connected with the feeding frame, a rotating shaft one is rotatably connected in the fixed frame, the rotating shaft one is driven by a motor two, and a fixed roller is arranged outside the rotating shaft one; the rotating shaft one is also transmissionally connected with a rotating shaft three, the rotating shaft three is externally provided with an adjusting roller, the adjusting roller is provided with a spacing adjusting part for adjusting the spacing between the fixed roller and the adjusting roller; the motor two is fixedly arranged above the receiving cylinder, and the motor two is electrically connected with the switch.

[0010] Preferably, the spacing adjusting part comprises a screw rod rotatably connected with the fixed frame, a rotating wheel is connected with the outer end of the screw rod, and an N-shaped push plate is threadedly connected on the screw rod; two N-shaped sliding plates are fixedly arranged on the two sides of the N-shaped push plate, and the two N-shaped sliding plates are slidably connected with the fixed frame; a moving plate is fixedly arranged between the two N-shaped sliding plates, and the two moving plates are rotatably connected with the rotating shaft three.

[0011] Preferably, one end of the rotating shaft one is externally sleeved with a belt pulley one, the belt pulley one is transmissionally connected with a belt pulley two through a transmission belt, the belt pulley two is fixedly connected on a rotating shaft two, the rotating shaft two is fixedly connected with a gear one, the gear one is also meshingly connected with a gear two, and the rotating shaft three is fixedly connected with the gear two.

[0012] Preferably, the rotating shaft two is rotatably connected with a rotating plate through a bearing, the rotating plate is fixedly connected with a rotating sleeve, the rotating sleeve is rotatably connected with the rotating shaft one through a bearing, the rotating sleeve is fixedly connected with a pulling plate, the pulling plate is fixedly connected with the rear side of a spring, and the front side of the spring is fixedly connected with the fixed frame.

[0013] The ash treatment device based on the lignite gasification process has the advantages that when the device is used, the rolling adjusting part is started through the switch, then the fixed roller and the adjusting roller are synchronously rotated to the center, the ash to be treated is poured into the feeding frame two, the ash is moved to the space between the fixed roller and the adjusting roller through the feeding frame two, and then the ash is extruded and crushed through rotation, so that the effect of extruding and crushing the ash is achieved.

[0014] Specifically, before use, the rotating wheel drives the screw rod to rotate, the screw rod drives the N-shaped sliding plate on the N-shaped push plate to move along the sliding hole in the horizontal direction, the N-shaped sliding plate drives the adjusting roller on the rotating shaft three on the moving plate to move, and then the gap between the fixed roller and the adjusting roller is expanded or reduced until the appropriate spacing is adjusted.

[0015] Then start motor 2, which drives rotating shaft 1 to rotate, and rotating shaft 1 drives pulley 1 and fixed roller to rotate synchronously, while pulley 1 drives rotating shaft 2 on pulley 2 to rotate through the transmission belt, so that rotating shaft 2 drives gear 1 and then drives gear 2 to rotate, so that gear 2 drives the adjusting roller on rotating shaft 3 to rotate, so that the fixed roller and the adjusting roller rotate synchronously.

[0016] The ash squeezed by the rolling adjustment component falls into the feed frame 1 and rolls into the storage cylinder, and then other admixtures for preparing cement are added from another feed frame 1 to mix with the crushed ash, and then the motor 1 is turned on by the switch to rotate, so that the motor 1 drives the stirring plate on the rotating rod to rotate, so that the stirring plate stirs the ash and admixture.

[0017] At the same time, the spring pushes the pulling plate to drive the rotating plate on the rotating sleeve to rotate synchronously, so that the rotating plate drives gear one on rotating shaft two to move closely along with gear two on rotating shaft three, so that during the movement of gear two, gear one also drives gear two to rotate synchronously, and gear two drives the adjusting grinding wheel on rotating shaft three to rotate, so that the rotation of the grinding wheel can be adjusted to extrude and crush the ash. As the gap between the adjusting grinding wheel and the fixed grinding wheel expands, the particles of the crushed ash are larger, which can meet different crushing needs.

[0018] The above-mentioned device is also provided with a liquid inlet pipe and a liquid discharge pipe. When heavy metals need to be extracted from the crushed ash in the storage cylinder, chemical reagents can be added through the liquid inlet pipe and stirred for reaction. The solution after the reaction is then discharged through the liquid discharge pipe, and the filter residue is discharged through the discharge valve or other chemical reagents are added for stirring reaction according to process requirements. In this way, the device can not only adjust the particle size of the crushed ash, but also extract heavy metals from the ash. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present application, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is a front view structural diagram of an ash treatment device in a specific embodiment of the present utility model;

[0021] Figure 2 for Figure 1 Schematic diagram of the structure of the stirring component;

[0022] Figure 3 for Figure 1 Schematic diagram of the left side structure of the middle rolling adjustment component;

[0023] Figure 4 forFigure 1 Structure diagram of middle distance adjusting component;

[0024] Figure 5 For Figure 1 Structure diagram of middle distance adjusting component.

[0025] In the figure: 1-frame seat, 2-receiving cylinder, 3-stirring component, 31-N-shaped fixed plate, 32-motor one, 33-rotating rod, 34-stirring plate, 35-fixed plate one, 4-feeding frame one, 5-rolling adjustment component, 51-fixed frame, 52-distance adjusting component, 521-screw rod, 522-N-shaped pushing plate, 523-N-shaped sliding plate, 524-moving plate, 525-rotating shaft three, 526-gear two, 527-adjusting roller, 53-rotating shaft one, 54-pulley one, 55-pulley two, 56-rotating shaft two, 57-gear one, 58-rotating plate, 59-rotating sleeve, 510-pulling plate, 511-spring, 512-feeding frame two, 513-fixed roller, 514-motor two, 6-liquid inlet pipe, 7-liquid outlet pipe, 8-solenoid valve, 9-discharge valve, 10-discharge plate, 11-switch. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-5 , Figure 1 It is a front view structure schematic diagram of the ash treatment device in an embodiment of the present application. Figure 2 It is Figure 1 Structure diagram of middle stirring component. Figure 3 It is Figure 1 Structure diagram of left side of middle rolling adjustment component. Figure 4 It is Figure 1 Structure diagram of right side of middle rolling adjustment component. Figure 5 It is Figure 1 Structure diagram of middle distance adjusting component.

[0028] The utility model provides a kind of technical scheme of ash treatment device based on lignite gasification process: including frame seat 1, frame seat 1 top is fixedly connected with storage cylinder 2, and storage cylinder 2 is connected with stirring component 3 in, storage cylinder 2 is fixedly connected with two feed frames respectively by being opened two charging ports, one side feed frame one 4 is connected with roll pressure adjusting component 5, roll pressure adjusting component 5 is used to extrude and crush the ash entering, and roll pressure spacing can be adjusted, different ash processing needs can be satisfied.

[0029] Liquid inlet pipe 6 is equipped on the top of storage cylinder 2, which is convenient to add chemical reagent during use. The bottom of storage cylinder 2 is communicated with the round hole one opened on the top of frame seat 1, and the bottom of frame seat 1 is provided with liquid discharge pipe 7 which is communicated with storage cylinder 2. The electromagnetic valve 8 is arranged on the liquid discharge pipe 7, and the filter screen is arranged in the liquid discharge pipe 7. The frame seat 1 is also provided with the discharge valve 9 and the discharge plate 10 which are fixedly connected, and the outlet end of the discharge valve 9 is fixedly connected with the discharge plate 10.

[0030] The frame seat 1 is also provided with the switch 11, and the discharge valve 9 and the electromagnetic valve 8 are electrically connected with the switch 11, and the discharge valve 9 and the electromagnetic valve 8 are controlled by the switch 11.

[0031] The stirring component 3 can include N-shaped fixed plate 31 which is fixedly connected to the upper surface of storage cylinder 2, and the motor one 32 is installed below the N-shaped fixed plate 31, the output shaft of the motor one 32 is connected with the rotating rod 33, and the lower end side of the rotating rod 33 is fixedly connected with four stirring plates 34. The motor one 32 drives the stirring plate 34 on the rotating rod 33 to rotate, so that the stirring plate 34 stirs the ash and the admixture. In addition, the input end of the motor one 32 is electrically connected with the output end of the switch 11, and the switch 11 is used for control. Specifically, the upper end of the rotating rod 33 is rotatably connected with the upper side of the storage cylinder 2 through the bearing, and the lower side of the rotating rod 33 is rotatably connected with the bottom of the storage cylinder 2 through the bearing.

[0032] In addition, the roll pressure adjusting component 5 can include the fixed frame 51 and the feed frame two 512 which are fixedly connected, the fixed frame 51 is fixedly connected with the one side feed frame one 4, the rotating shaft one 53 is rotatably connected in the fixed frame 51, the rotating shaft one 53 is driven by the motor two 514, and the fixed grinding wheel 513 is arranged outside the rotating shaft one 53; the rotating shaft three 525 is also transmissionally connected with the rotating shaft one 53, the adjusting grinding wheel 527 is arranged outside the rotating shaft three 525, and the spacing adjusting component 52 which can adjust the spacing between the fixed grinding wheel 513 and the adjusting grinding wheel 527 is arranged on the adjusting grinding wheel 527. The motor two 514 is fixedly arranged above the storage cylinder 2, and the motor two 514 is electrically connected with the switch 11.

[0033] Specifically, the fixed frame 51 is connected with the same spacing adjustment component 52 through two sliding holes, the fixed frame 51 is fixedly connected with the second feeding frame 512, and the fixed frame 51 is rotationally connected with the same rotating shaft one 53 through two bearings. The rotating shaft one 53 is fixedly connected with the fixed grinding roller 513 located in the fixed frame 51, one side of the rotating shaft one 53 is fixedly connected with an output shaft of the second motor 514, the second motor 514 is installed on the upper surface of the receiving cylinder 2, and an input end of the second motor 514 is electrically connected with an output end of the switch 11. The second motor 514 is arranged to drive the rotating shaft one 53 to rotate, and the rotating shaft one 53 drives the fixed grinding roller 513 to synchronously rotate.

[0034] The spacing adjustment component 52 can include a lead screw 521 rotationally connected with the fixed frame 51 through a bearing, a rotating wheel fixedly connected with the front side outer end of the lead screw 521, N-shaped push plates 522 threadedly connected with the lead screw 521, N-shaped sliding plates 523 on the N-shaped push plates 522 moving along the sliding holes, rotating shaft threes 525 on the moving plates 524 driving the adjustment grinding rollers 527 to move and expand or reduce the gap between the fixed grinding roller 513 and the adjustment grinding roller 527, and the fixed grinding roller 513 and the adjustment grinding roller 527 synchronously rotating to the center between them, so as to facilitate the effect of extruding and crushing the ash residue.

[0035] The transmission connection between the rotating shaft one 53 and the rotating shaft three 525 can be arranged as follows:

[0036] One end of the rotating shaft one 53 is fixedly connected with a belt pulley one 54, the belt pulley one 54 is in transmission connection with a belt pulley two 55 through a transmission belt, the belt pulley two 55 is fixedly connected with a rotating shaft two 56, the rotating shaft two 56 is fixedly connected with a gear one 57, the gear one 57 is in meshing connection with a gear two 526, and the rotating shaft three 525 is fixedly connected with the gear two 526.

[0037] The rotating shaft two 56 is rotatably connected with the rotating plate 58 through a bearing, the rotating plate 58 is fixedly connected with the rotating sleeve 59, the rotating sleeve 59 is rotatably connected with the rotating shaft one 53 through a bearing, the rotating sleeve 59 is fixedly connected with the pulling plate 510, the pulling plate 510 is fixedly connected with the rear side of the spring 511, and the front side of the spring 511 is fixedly connected with the fixed frame 51. In the non-use state, the spring 511 is in the compressed state. Through the spring 511, the spring 511 can push the pulling plate 510 to drive the rotating plate 58 on the rotating sleeve 59 to rotate synchronously, so that the rotating plate 58 drives the gear one 57 on the rotating shaft two 56 to move closely with the gear two 526 on the rotating shaft three 525, so that the gear one 57 drives the gear two 526 to rotate synchronously during the movement of the gear two 526, and the gear two 526 drives the adjusting roller 527 on the rotating shaft three 525 to rotate.

[0038] The working principle of the utility model is as follows:

[0039] Firstly, the motor two 514 on the rolling adjusting part 5 is started through the switch 11, so that the motor two 514 drives the rotating shaft one 53 to rotate, the rotating shaft one 53 drives the pulley one 54 and the fixed roller 513 to rotate synchronously, the pulley one 54 drives the rotating shaft two 56 on the pulley two 55 to rotate through the transmission belt, so that the rotating shaft two 56 drives the gear two 526 connected with the gear one 57 to rotate, the gear two 526 drives the adjusting roller 527 on the rotating shaft three 525 to rotate, then the fixed roller 513 and the adjusting roller 527 rotate synchronously to the center between them, then the ash to be treated is poured into the feeding frame two 512, the ash moves to the space between the fixed roller 513 and the adjusting roller 527 through the feeding frame two 512, and then the ash is extruded and crushed through rotation;

[0040] Then the extruded ash falls into the feeding frame one 4 and rolls into the storage cylinder 2, then other admixtures for preparing cement and the crushed ash are mixed, then the motor one 32 is started through the switch 11, so that the motor one 32 drives the stirring plate 34 on the rotating rod 33 to rotate, so that the stirring plate 34 uniformly stirs the ash and the admixtures;

[0041] Secondly, the rotating wheel is rotated, the rotating wheel drives the screw rod 521 to rotate, the screw rod 521 drives the N-shaped sliding plate 523 on the N-shaped pushing plate 522 to move along the sliding hole, and the N-shaped sliding plate 523 drives the adjusting roller 527 connected with the rotating shaft three 525 on the moving plate 524 to move to enlarge the gap between the fixed roller 513;

[0042] Meanwhile, the spring 511 pushes the pulling plate 510 to drive the rotating plate 58 on the rotating sleeve 59 to rotate synchronously, so that the rotating plate 58 drives the gear one 57 on the rotating shaft two 56 to move closely with the gear two 526 on the rotating shaft three 525, thereby making the gear one 57 drive the gear two 526 to rotate synchronously during the movement of the gear two 526, and the gear two 526 drives the adjusting roller 527 on the rotating shaft three 525 to rotate, so that the adjusting roller 527 rotates to crush the ash, and the gap between the adjusting roller 527 and the fixed roller 513 is enlarged, so that the crushed ash has larger particles, thereby being applied to other fields.

[0043] And through the setting of the liquid inlet pipe 6, when the crushed ash in the storage cylinder 2 needs to extract heavy metals, chemical reagents can be added through the liquid inlet pipe 6 and stirred to react, and then the solution after the reaction is discharged through the liquid outlet pipe 7, and the residue is discharged through the unloading valve 9 or other chemical reagents are added according to the process requirement to stir and react.

[0044] In the description of the utility model, it is understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0045] In the utility model, unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms can be understood according to the specific meaning in the utility model by the person skilled in the art according to the specific situation.

[0046] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An ash treatment device based on a lignite gasification process, characterized by: It comprises a frame seat (1), a storage cylinder (2) is provided above the frame seat (1), a stirring component (3) is provided inside the storage cylinder (2), two feeding frames (4) are provided on both sides of the storage cylinder (2), a crushing adjustment component (5) is provided above the feeding frame (4), and a liquid inlet pipe (6) is connected to the top of the storage cylinder (2); A liquid discharge pipe (7) is provided at the bottom of the frame seat (1), the liquid discharge pipe (7) is communicated with the storage cylinder (2), a solenoid valve (8) is provided on the liquid discharge pipe (7), a filter screen is provided in the liquid discharge pipe (7), and a discharge valve (9) and a discharge plate (10) fixedly connected to each other are also provided at the bottom of the frame seat (1); a switch (11) is also provided on the frame seat (1), and the discharge valve (9) and the solenoid valve (8) are both electrically connected to the switch (11); The rolling adjustment component (5) includes a fixed frame (51) and a second feeding frame (512) that are fixedly connected to each other. The lower end of the fixed frame (51) is fixedly connected to the first feeding frame (4). The fixed frame (51) is rotatably connected to a first rotating shaft (53). The first rotating shaft (53) is driven by a second motor (514). The first rotating shaft (53) is provided with a fixed rolling wheel (513) outside. The first rotating shaft (53) is also transmission-connected to a third rotating shaft (525). The third rotating shaft (525) is provided with an adjusting rolling wheel (527) outside. The adjusting rolling wheel (527) is provided with a spacing adjustment component (52) that can adjust the spacing between the fixed rolling wheel (513) and the adjusting rolling wheel (527). The second motor (514) is fixedly arranged above the storage cylinder (2). The second motor (514) is electrically connected to the switch (11). The spacing adjustment component (52) includes a screw rod (521) rotatably connected to the fixed frame (51), the outer end of the screw rod (521) is connected to a rotating wheel, and the screw rod (521) is also threadedly connected to an N-shaped push plate (522), and two side plates of the N-shaped push plate (522) are fixedly provided with two N-shaped sliding plates (523), which are slidably connected to the fixed frame (51); a moving plate (524) is fixedly provided between the two N-shaped sliding plates (523), and the two moving plates (524) are both rotatably connected to the rotating shaft three (525).

2. The ash treatment device based on the lignite gasification process according to claim 1, characterized in that: The stirring component (3) includes an N-shaped fixed plate (31), the N-shaped fixed plate (31) is fixedly arranged above the storage cylinder (2), a motor 1 (32) is provided below the N-shaped fixed plate (31), the output shaft of the motor 1 (32) is connected to a rotating rod (33), the rotating rod (33) is located in the storage cylinder (2), and four stirring plates (34) are fixedly connected to the side surface of the lower end of the rotating rod (33), and the motor 1 (32) is electrically connected to the switch (11).

3. The ash treatment device based on the lignite gasification process according to claim 1, characterized in that: A pulley 1 (54) is sleeved on the outer side of one end of the rotating shaft 1 (53), and the pulley 1 (54) is connected to the pulley 2 (55) through a transmission belt. The pulley 2 (55) is fixedly connected to the rotating shaft 2 (56), and the rotating shaft 2 (56) is fixedly connected to the gear 1 (57). The gear 1 (57) is also meshed with the gear 2 (526), ​​and the rotating shaft 3 (525) is fixedly connected to the gear 2 (526).

4. The ash treatment device based on the lignite gasification process according to claim 3, characterized in that: The second rotating shaft (56) is rotatably connected to the rotating plate (58) via a bearing, the rotating plate (58) is fixedly connected to the rotating sleeve (59), the rotating sleeve (59) is rotatably connected to the first rotating shaft (53) via a bearing, the rotating sleeve (59) is fixedly connected to the pulling plate (510), the pulling plate (510) is fixedly connected to the rear side of the spring (511), and the front side of the spring (511) is fixedly connected to the fixed frame (51).