Water feed pump turbine steam source equipment of single-steam-driven water feed pump unit

Abstract

The utility model relates to the field of thermal power plants, in particular to water feed pump turbine steam source equipment of a single-steam-driven water feed pump unit, which comprises a bearing frame, a fused salt storage box arranged at the bottom of the bearing frame, a processing tank fixedly mounted at the top of the bearing frame, and a feeding component mounted on the bearing frame. Two ends of the bottom of the treatment tank are connected with the fused salt storage box through a discharging assembly; the two ends of the interior of the treatment tank are connected with heat-insulation sealing boxes through fixing blocks, a water inlet pipe is arranged at the outer end of the heat-insulation sealing box at one end, a steam outlet pipe is arranged at the outer end of the heat-insulation sealing box at the other end, a sealing cover is fixedly installed on the inner wall of each heat-insulation sealing box, and a rotating motor is installed in each sealing cover. A steam elbow is installed on the rotating rod, liquid inlets are formed in the four corners of the end of the steam elbow, and a filtering buffer plate is arranged in the steam elbow. The steam supply device can effectively and conveniently carry out rapid steam supply treatment on a water feeding pump turbine of a single-steam-driven water feeding pump unit, and therefore equipment can be conveniently used.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of thermal power plant, concretely is a kind of single steam feed pump unit's feed pump steam turbine steam source equipment. BACKGROUND

[0002] Thermal power plant is a kind of facility that can produce electric power and heat energy simultaneously. This mode has higher energy utilization efficiency compared with traditional pure power plant, because it not only converts fuel into electric energy, but also recycles waste heat generated in the process of power generation for heating or refrigeration purposes.

[0003] Thermal power plant needs to use single steam feed pump unit feed pump steam turbine to drive turbine rotation in the process of using, and then drive generator to generate electric power, single steam feed pump unit feed pump steam turbine needs steam source to supply steam to single steam feed pump unit feed pump steam turbine in the process of using, but steam source in the process of preparation, steam elbow is fixedly installed in the inside of processing tank, and then cannot realize rotary heat exchange treatment, so steam preparation speed is buffered, thereby affecting steam supply treatment of steam source. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of single steam feed pump unit's feed pump steam turbine steam source equipment to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The application discloses a water feed pump steam turbine steam source equipment of a single steam feed pump unit, which comprises a bearing frame, four corners of the bottom of the bearing frame are provided with rolling assemblies facilitating movement of the equipment, a molten salt storage tank is arranged at the center of the bottom of the bearing frame, a feeding assembly is arranged at the top of the front side wall of the molten salt storage tank, and discharge assemblies are arranged at the two ends of the bottom of the molten salt storage tank; a treatment tank is fixedly installed at the top of the bearing frame, feeding assemblies for adding molten salt in the molten salt storage tank into the treatment tank are installed on the bearing frame at the two sides of the treatment tank, the treatment tank is in communication connection with the molten salt storage tank through the discharge assemblies at the two ends of the bottom of the treatment tank; heat insulation sealing boxes are connected with the treatment tank through fixing blocks at the left and right ends in the treatment tank, a water inlet pipe is arranged at the outer end of one heat insulation sealing box, the outer end of the water inlet pipe is arranged outside the treatment tank, a steam outlet pipe is arranged at the outer end of the other heat insulation sealing box, and the outer end of the steam outlet pipe is arranged outside the treatment tank; a sealing cover is fixedly installed on the inner wall of the heat insulation sealing box at the side of the water inlet pipe, a rotating motor is installed in the sealing cover, a rotating rod is installed on the motor shaft of the rotating motor, steam bends are installed on the rotating rod, the steam bends are arranged at the two ends of the heat insulation sealing box, and the steam bends are in sealing and rotating connection with the heat insulation sealing box, liquid inlets are arranged at the four corners of the ends of the steam bends, the liquid inlets are arranged in the heat insulation sealing box at the side of the water inlet pipe, and a plurality of filter buffer plates are arranged in the steam bends.

[0007] Preferably, the feeding assembly comprises a feeding opening in communication connection with the molten salt storage tank, and a first control valve is installed on the feeding opening.

[0008] Preferably, the discharge assembly comprises a discharge pipe in communication connection with the two ends of the bottom of the molten salt storage tank, and a second control valve is installed on the discharge pipe.

[0009] Preferably, the feeding assembly comprises a feeding pump fixedly connected with the outer wall of the bottom of the bearing frame, one end of the feeding pump is in communication connection with the molten salt storage tank through a connecting pipe, and the other end of the feeding pump is in communication connection with the two ends of the treatment tank through a feeding pipe.

[0010] Preferably, the discharge assembly comprises a discharge pipe in communication connection with the treatment tank and the molten salt storage tank, and a third control valve is installed on the discharge pipe.

[0011] Compared with the prior art, the utility model has the advantages that: the utility model discloses a molten salt storage tank is arranged in the processing tank, and the molten salt in the molten salt storage tank is added to the processing tank through the feeding assembly, and then is added to the molten salt storage tank through the discharging assembly to realize molten salt circulation treatment, so that the temperature of the molten salt in the processing tank can be ensured, and the heat exchange of water vapor can be prepared conveniently; the steam elbow is rotated through the rotating motor and the rotating rod to realize heat exchange of the water solution in the steam elbow through the molten salt in the processing tank to generate steam, so that the water vapor can be prepared conveniently, the steam supply to the water pump steam turbine of the single-steam-driven water pump unit can be realized conveniently, and the steam source can be formed; the filter buffer plate is arranged in the steam elbow, the filter buffer plate realizes buffer and flow reduction treatment of the water solution in the steam elbow, the flow rate of the water solution can be reduced, the flow time of the water solution in the steam elbow is prolonged, the water vapor can be prepared conveniently, the steam supply to the water pump steam turbine of the single-steam-driven water pump unit can be realized conveniently, and the steam source can be formed. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a top view three-dimensional structure schematic diagram of the water pump steam turbine steam source equipment of the single-steam-driven water pump unit of the utility model.

[0013] Figure 2 It is a bottom view three-dimensional structure schematic diagram of the water pump steam turbine steam source equipment of the single-steam-driven water pump unit of the utility model.

[0014] Figure 3 It is a front view of the water pump steam turbine steam source equipment of the single-steam-driven water pump unit of the utility model.

[0015] Figure 4 It is a front view of the water pump steam turbine steam source equipment of the single-steam-driven water pump unit of the utility model.

[0016] Figure 5 It is a top view of the processing tank in the water pump steam turbine steam source equipment of the single-steam-driven water pump unit of the utility model.

[0017] Figure 6 It is Figure 5 It is an enlarged structure schematic diagram of the liquid inlet in position A and the steam elbow connection.

[0018] Figure 7 It is Figure 5 It is an enlarged structure schematic diagram of the filter buffer plate in position B and the steam elbow connection.

[0019] 1, bearing frame; 2, support leg; 3, roller; 4, brake; 5, molten salt storage tank; 6, feeding port; 7, first control valve; 8, discharge pipe; 9, second control valve; 10, treatment tank; 11, feed pump; 12, connecting pipe; 13, feed pipe; 14, discharge pipe; 15, third control valve; 16, heat insulation sealed box; 17, fixing block; 18, water inlet pipe; 19, steam outlet pipe; 20, rotating motor; 21, sealing cover; 22, rotating rod; 23, steam elbow; 24, liquid inlet; 25, filter buffer plate. DETAILED DESCRIPTION

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the embodiments of the present application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that in the embodiments of the present application, many technical details are proposed in order to make the readers better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed by the present application can be realized.

[0022] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] Reference Figures 1-7The utility model discloses a kind of single steam feed water pump unit's feed water pump turbine steam source equipment, including bearing frame 1, the bearing frame 1 bottom four corners are provided with the rolling assembly of facilitating equipment to move;The bearing frame 1 bottom center is provided with molten salt storage tank 5, molten salt storage tank 5 front side wall top is provided with feeding assembly, and the molten salt storage tank 5 bottom both ends are provided with discharge assembly;The bearing frame 1 top is fixedly installed with processing tank 10, feeding assembly is installed on the bearing frame 1 of processing tank 10 both sides, and molten salt in molten salt storage tank 5 is added to the inside of processing tank 10, and the processing tank 10 bottom both ends are connected with molten salt storage tank 5 by discharge assembly;The left and right ends in the processing tank 10 are connected with heat insulation sealed box 16 by fixed block 17, and the outer end of heat insulation sealed box 16 of one end is provided with water inlet pipe 18, and the outer end of water inlet pipe 18 is arranged on the outside of processing tank 10, and the outer end of heat insulation sealed box 16 of the other end is provided with steam pipe 19, and the outer end of steam pipe 19 is arranged on the outside of processing tank 10;Sealing cover 21 is fixedly installed on the inner wall of heat insulation sealed box 16 located on the side of water inlet pipe 18, rotating motor 20 is installed in sealing cover 21, rotating rod 22 is installed on the motor shaft of rotating motor 20, steam elbow pipe 23 is installed on rotating rod 22, steam elbow pipe 23 is arranged at the both ends of heat insulation sealed box 16, and steam elbow pipe 23 is sealingly connected with heat insulation sealed box 16, and the four corners of the end of steam elbow pipe 23 are provided with liquid inlet 24, and liquid inlet 24 is arranged in the inside of heat insulation sealed box 16 located on the side of water inlet pipe 18, and a plurality of filter buffer plates 25 are arranged in the inside of steam elbow pipe 23.

[0024] The utility model adds molten salt in the inside of processing tank 10 through feeding assembly in molten salt storage tank 5, and adds to the inside of molten salt storage tank 5 through discharge assembly and carries out molten salt circulation treatment, adds aqueous solution to the inside of heat insulation sealed box 16 through water inlet pipe 18, and aqueous solution enters the inside of steam elbow pipe 23 through liquid inlet 24, and steam elbow pipe 23 is rotated and handled by rotating rod 22 driven by rotating motor 20, and the aqueous solution in the inside of steam elbow pipe 23 is heated to generate steam by molten salt in the inside of processing tank 10, and filter buffer plate 25 realizes the buffer flow reduction treatment of aqueous solution in the inside of steam elbow pipe 23, can slow down the flow rate of aqueous solution, and then realize the time growth of aqueous solution flowing in the inside of steam elbow pipe 23, so as to facilitate the preparation treatment of water vapor, so as to realize the formation of steam source, facilitate steam supply treatment to single steam feed water pump unit feed water pump turbine.

[0025] Reference Figure 1In an embodiment of the utility model, the rolling assembly includes the support leg 2 that fixedly connected with the bottom of bearing frame 1, the bottom of support leg 2 is provided with the gyro wheel 3, the outer end of gyro wheel 3 is provided with the brake 4, the setting of gyro wheel 3 and brake 4 can conveniently adjust the moving direction of equipment, so as to conveniently move equipment to the prescribed direction, and facilitate the use of equipment.

[0026] Refer to Figure 1 In an embodiment of the utility model, the feeding assembly includes the feeding port 6 that is in communication with the molten salt storage tank 5, the first control valve 7 is installed on the feeding port 6, by opening the first control valve 7, the setting of feeding port 6 can conveniently add molten salt into the molten salt storage tank 5 to realize the feeding treatment of molten salt storage tank 5.

[0027] Refer to Figure 2 In an embodiment of the utility model, the discharging assembly includes the discharge pipe 8 that is in communication with the bottom of molten salt storage tank 5, the second control valve 9 is installed on the discharge pipe 8, by opening the second control valve 9, the discharge pipe 8 can conveniently replace molten salt.

[0028] Refer to Figure 3 In an embodiment of the utility model, the feeding assembly includes the feeding pump 11 that is fixedly connected with the bottom outer wall of bearing frame 1, one end of feeding pump 11 is in communication with molten salt storage tank 5 through connecting pipe 12, the other end of feeding pump 11 is in communication with the both ends of treatment tank 10 through feeding pipe 13, by the working of feeding pump 11, molten lava in molten salt storage tank 5 is added into treatment tank 10 through feeding pipe 13 by feeding pump 11 through connecting pipe 12, thereby realizing the feeding treatment of molten lava.

[0029] Refer to Figure 3 In an embodiment of the utility model, the discharging assembly includes the discharge pipe 14 that is in communication with treatment tank 10 and molten salt storage tank 5, the third control valve 15 is installed on the discharge pipe 14, by opening the third control valve 15, the discharge pipe 14 realizes adding molten salt in treatment tank 10 into molten salt storage tank 5, thereby realizing the circulation treatment of molten salt.

[0030] Working principle: the utility model discloses a feeding pump 11 works, and the connecting pipe 12 realizes the molten salt in the molten salt storage tank 5 inside through feeding pipe 13 is added to the inside of processing jar 10, through opening third control valve 15, and the molten salt in the processing jar 10 is added to the molten salt storage tank 5 inside again through the discharge pipe 14, to realize the circulation processing of molten salt, through water inlet pipe 18, the aqueous solution is added to the heat insulation sealed box 16 inside, and the aqueous solution enters the inside steam elbow pipe 23 through inlet 24, through the work of rotary motor 20, rotary motor 20 drives rotary rod 22 to rotate, and rotary rod 22 drives steam elbow pipe 23 to rotate in the molten salt inside processing jar 10, through the heat exchange of aqueous solution in the steam elbow pipe 23 with molten salt, molten salt realizes the heat exchange of aqueous solution in the steam elbow pipe 23 and generates steam, and filter buffer plate 25 realizes the buffer flow reduction processing of aqueous solution in the steam elbow pipe 23, can slow down the flow rate of aqueous solution, and then realize the time growth of aqueous solution flowing in the steam elbow pipe 23, so that the preparation processing of water vapor can be facilitated, so that the steam source can be formed, and the steam supply processing of single-steam-driven feed water pump unit feed water pump steam turbine is facilitated.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. Therefore, the present application should not be considered as being limited to the above embodiments only which are described by way of example but covers any modifications of the application that come within the scope of a patentable claim. The claims should not be considered as being limited to the embodiments which could be derived from the above description but cover any and all embodiments which would come within the scope of a patentable claim. Any reference signs in the claims should not be construed as limiting the scope of the claims.

Claims

1. A feed water pump turbine steam source apparatus of a single steam-driven feed water pump unit, comprising a carrier frame (1), characterized in that, The bottom of the bearing frame (1) is provided with a rolling assembly for facilitating the movement of the equipment. The bottom center of the bearing frame (1) is provided with a molten salt storage tank (5), and the front side wall of the molten salt storage tank (5) is provided with a feeding assembly. The bottom of the molten salt storage tank (5) is provided with a discharging assembly at both ends. The top of the bearing frame (1) is fixedly installed with a treatment tank (10), and the bearing frame (1) on both sides of the treatment tank (10) is installed with a feeding assembly for adding molten salt in the molten salt storage tank (5) into the treatment tank (10). The bottom of the treatment tank (10) is connected with the molten salt storage tank (5) through the discharging assembly at both ends. The left and right ends of the treatment tank (10) are connected with the heat insulation sealing box (16) through the fixing block (17). The outer end of the heat insulation sealing box (16) at one end is provided with a water inlet pipe (18), and the outer end of the water inlet pipe (18) is arranged outside the treatment tank (10). The outer end of the heat insulation sealing box (16) at the other end is provided with a steam outlet pipe (19), and the outer end of the steam outlet pipe (19) is arranged outside the treatment tank (10). The inner wall of the heat insulation sealing box (16) on one side of the water inlet pipe (18) is fixedly installed with a sealing cover (21), and the sealing cover (21) is installed with a rotating motor (20). The motor shaft of the rotating motor (20) is installed with a rotating rod (22), and the rotating rod (22) is installed with a steam elbow (23). The steam elbow (23) is arranged at both ends of the heat insulation sealing box (16), and the steam elbow (23) is sealingly and rotatably connected with the heat insulation sealing box (16). The end of the steam elbow (23) is provided with a liquid inlet (24), and the liquid inlet (24) is arranged in the heat insulation sealing box (16) on one side of the water inlet pipe (18). The steam elbow (23) is provided with a plurality of filter buffer plates (25).

2. The feedwater pump turbine steam source device of a single steam-driven feedwater pump turbine set according to claim 1, characterized in that, The rolling assembly comprises a support leg (2) fixedly connected with the bottom of the bearing frame (1). The bottom of the support leg (2) is provided with a roller (3), and the outer end of the roller (3) is provided with a brake (4).

3. The feedwater pump turbine steam source device of a single steam-driven feedwater pump turbine set according to claim 1, characterized in that, The discharging assembly comprises a discharge pipe (8) in communication with both ends of the bottom of the molten salt storage tank (5), and the discharge pipe (8) is installed with a second control valve (9).

4. The feedwater pump turbine steam source apparatus of a single steam-driven feedwater pump turbine set according to claim 1, characterized in that, The feeding assembly comprises a feeding pump (11) fixedly connected with the outer wall of the bottom of the bearing frame (1). One end of the feeding pump (11) is connected with the molten salt storage tank (5) through a connecting pipe (12), and the other end of the feeding pump (11) is connected with both ends of the treatment tank (10) through a feeding pipe (13).

5. The feedwater pump turbine steam source apparatus of a single steam-driven feedwater pump turbine set according to claim 1, characterized in that, The discharging assembly comprises a discharge pipe (14) in communication with the treatment tank (10) and the molten salt storage tank (5), and the discharge pipe (14) is installed with a third control valve (15).

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