阅读说明：本技术 一种阀冷系统内冷树脂多功能清洗装置 (Multifunctional cleaning device for cold resin in valve cooling system ) 是由 王小岭 赵伟杰 毛仕涛 甘涛 朱旭东 叶健 徐友 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种阀冷系统内冷树脂多功能清洗装置,属于高压直流输电技术领域,包括包括车架承载、水箱、清洗装置、中转装置、过滤装置、去离子装置和控制箱,且所述车架承载顶部上设有一个框架,所述水箱设置在车架承载顶部上,所述清洗装置设置在框架内,所述中转装置设置在清洗装置的旁侧且中转装置与清洗装置相连通,所述过滤装置设置在框架内位于中转装置旁侧且过滤装置分别与中转装置和水箱相连通,所述去离子装置设置在过滤装置的旁侧且去离子装置分别与中转装置和水箱相连通,所述控制箱设置在框架的外侧壁上。本发明通过设计阀冷系统内冷树脂多功能清洗装置,实现阀冷系统内冷水树脂的少水高效清洗且实现树脂使用前的软化性能验证。(The invention discloses a multifunctional cleaning device for cold resin in a valve cooling system, which belongs to the technical field of high-voltage direct-current power transmission and comprises a vehicle frame bearing, a water tank, a cleaning device, a transfer device, a filtering device, a deionization device and a control box, wherein a frame is arranged on the top of the vehicle frame bearing, the water tank is arranged on the top of the vehicle frame bearing, the cleaning device is arranged in the frame, the transfer device is arranged beside the cleaning device and communicated with the cleaning device, the filtering device is arranged in the frame and positioned beside the transfer device and communicated with the transfer device and the water tank respectively, the deionization device is arranged beside the filtering device and communicated with the transfer device and the water tank respectively, and the control box is arranged on the outer side wall of the frame. By designing the multifunctional cleaning device for the cold resin in the valve cooling system, the invention realizes the low-water efficient cleaning of the cold water resin in the valve cooling system and the softening performance verification of the resin before use.)

1. The utility model provides a multi-functional belt cleaning device of cold resin in valve cooling system which characterized in that: bear (1), water tank (2), belt cleaning device (3), transfer device (4), filter equipment (5), deionization device (6) and control box (7) including the frame, the frame bears (1) bottom and installs four bisymmetry's wheel (11), just the frame bears and is equipped with a frame (12) on (1) top, water tank (2) set up on the frame bears (1) top, belt cleaning device (3) set up in frame (12), transfer device (4) set up the side and transfer device (4) and the belt cleaning device (3) of belt cleaning device (3) and are linked together, filter equipment (5) set up in frame (12) lie in transfer device (4) side and filter equipment (5) and are linked together with transfer device (4) and water tank (2) respectively, deionization device (6) set up the side and deionization device (6) of filter equipment (5) and be linked together with transfer device (4) and water respectively and control box (7) respectively The boxes (2) are communicated, and the control box (7) is arranged on the outer side wall of the frame (12).

2. The multifunctional cleaning device for cold resin in a valve cooling system according to claim 1, wherein: the water tank (2) comprises an electric heater (21), a temperature sensor (22), a liquid level meter (23), a water tank drain valve (24), a water suction pump (25) and a first pipeline (26), the electric heater (21) is clamped on the side wall of the water tank (2), the heating end of the electric heater (21) extends into the water tank (2), the temperature sensor (22) is arranged on the top of the water tank (2), the liquid level meter (23) is arranged on the outer side wall of the water tank (2), the water tank drainage valve (24) is arranged on the outer side wall of the water tank (2) and communicated with the water tank (2), the water suction pump (25) is arranged on the top of the frame bearing (1), one end of the first pipeline (26) is communicated with the water tank (2), the other end of the first pipeline (26) is arranged on the water suction pump (25) and communicated with the water suction pump (25).

3. The multifunctional cleaning device for cold resin in a valve cooling system according to claim 2, wherein: the cleaning device (3) comprises a support (31), a cleaning box (32), a backwashing device (33), a water inlet pipe (34), a water inlet path valve (35), a discharging pipe (36), a resin discharging valve (37) and two water outlet pipes (38), wherein the support (31) is arranged on the top of the frame bearing (1), the cleaning box (32) is arranged on the top of the support (31), the backwashing device (33) is arranged at the inner bottom of the cleaning box (32), one end of the water inlet pipe (34) is arranged on a water suction pump (25) and is communicated with the water suction pump (25), the other end of the water inlet pipe (34) is arranged in the cleaning box (32), the water inlet path valve (35) is arranged on the water inlet pipe (34) to control the water amount, one end of the discharging pipe (36) is arranged at the bottom of the cleaning box (32) and is communicated with the cleaning box (32), and the other end of the discharging pipe (36) penetrates through the side wall of the frame (12) to extend outwards, the resin discharge valve (37) is arranged on the discharge pipe (36), one end of each of the two water outlet pipes (38) is arranged on the side wall of the cleaning box (32) and communicated with the cleaning box (32), and the other end of each of the two water outlet pipes (38) extends towards the transfer device (4).

4. The multifunctional cleaning device for cold resin in a valve cooling system according to claim 1, wherein: transfer device (4) are including transfer case (41), first transfer pipe (42), washing return circuit valve (43) and pipeline booster pump (44), transfer case (41) set up on the other end of two outlet pipes (38), the one end setting of first transfer pipe (42) is linked together on the lateral wall of transfer case (41) and with transfer case (41), and the other end of first transfer pipe (42) extends to filter equipment (5), wash return circuit valve (43) and set up on first transfer pipe (42), pipeline booster pump (44) set up on the other end of first transfer pipe (42).

5. The multifunctional cleaning device for cold resin in a valve cooling system according to claim 4, wherein: the filtering device (5) comprises a filter (51) and a filtering pipeline (52), the filter (51) is arranged on the top of the frame bearing device (1), the filter (51) is communicated with the pipeline booster pump (44), one end of the filtering pipeline (52) is communicated with the filter (51), and the other end of the filtering pipeline (52) is communicated with the water tank (2).

6. The multifunctional cleaning device for cold resin in a valve cooling system according to claim 4, wherein: the deionization device (6) comprises a second transit pipe (61), a circulation loop valve (62), a conductivity sensor (63) and a connecting pipe (64), one end of the second transit pipe (61) is arranged on the side wall of the transit box (41) and communicated with the transit box (41), the circulation loop valve (62) is arranged on the second transit pipe (61), the conductivity sensor (63) is arranged at the other end of the second transit pipe (61), and one end of the connecting pipe (64) is arranged on the conductivity sensor (63) and communicated with the water tank (2).

Technical Field

The invention relates to the technical field of high-voltage direct-current power transmission, in particular to a multifunctional cleaning device for cold resin in a valve cooling system.

Background

The valve cooling system is used as an important auxiliary system for guaranteeing safe and stable operation of the converter valve which is a core component of the converter station, and is mainly used for discharging power consumption and heat productivity of each component on the valve body to the outside of a valve hall and ensuring that the operation junction temperature of the thyristor is in a normal range. The valve cooling system is characterized in that the internal cooling water is usually ultrapure water, a deionization loop is arranged to continuously soften the internal cooling water, the conductivity of the internal cooling water is kept at a low value, the continuous safety and stability of a converter valve system are further guaranteed, the deionization loop of the valve cooling system is usually softened the ultrapure water by using mixed bed resin, the resin is non-renewable, the service life is about 2-3 years generally, so that a common converter station can replace the resin every two years, but according to the standard operation requirement, the mixed bed resin is cleaned by at least 1 ton of purified water before being loaded into the system for use, so that broken particles in the mixed bed resin are removed, and the blockage of a system filter and the influence on the normal operation of the converter valve caused by the broken particles are prevented.

The existing resin cleaning technology generally adds resin into an ion exchanger, adopts a reverse water-through flushing mode to remove broken small particles, each converter station single valve group is at least provided with 2-3 ion exchangers, a large amount of purified water is consumed for completing single resin replacement, the detection of the softening performance of the resin cannot be realized, more than 1 ton of purified water is used for cleaning the resin for each ion exchanger, a large amount of waste of the purified water can be caused, and the cleaning of the resin can be realized but the deionization effect of the resin cannot be detected.

Disclosure of Invention

The invention aims to provide a multifunctional cleaning device for cold resin in a valve cooling system, which aims to solve the technical problems that in the prior art, a large amount of purified water is consumed for cleaning the resin, and the softening performance of the resin cannot be detected.

The invention provides a multifunctional cleaning device for cold resin in a valve cooling system, which comprises a vehicle frame bearing, a water tank, a cleaning device, a transfer device, a filtering device, a deionization device and a control box, wherein four wheels which are symmetrical pairwise are mounted at the bottom of the vehicle frame bearing, a frame is arranged at the top of the vehicle frame bearing, the water tank is arranged on the top of the vehicle frame bearing, the cleaning device is arranged in the frame, the transfer device is arranged beside the cleaning device and communicated with the cleaning device, the filtering device is arranged in the frame and positioned beside the transfer device and respectively communicated with the transfer device and the water tank, the deionization device is arranged beside the filtering device and respectively communicated with the transfer device and the water tank, and the control box is arranged on the outer side wall of the frame.

Further, the water tank includes electric heater, temperature sensor, level gauge, water tank drain valve, suction pump and first pipeline, the electric heater card is established on the lateral wall of water tank and electric heater's heating end extends to the water tank in, temperature sensor sets up on the top of water tank, the level gauge sets up on the lateral wall of water tank, water tank drain valve sets up on the lateral wall of water tank and is linked together with the water tank, the suction pump sets up on the top that the frame bore, the one end and the water tank of first pipeline are linked together, the other end of first pipeline is installed on the suction pump and is linked together with the suction pump.

Further, the cleaning device comprises a bracket, a cleaning box, a back washing device, a water inlet pipe, a water inlet path valve, a discharge pipe, a resin discharge valve and two water outlet pipes, the support is arranged on the bearing top of the frame, the cleaning box is arranged on the top of the support, the back washing device is arranged at the bottom in the cleaning box, one end of the water inlet pipe is arranged on the water suction pump and communicated with the water suction pump, the other end of the water inlet pipe is arranged in the cleaning box, the water inlet valve is arranged on the water inlet pipe to control the water quantity, one end of the discharge pipe is arranged at the bottom of the cleaning tank and communicated with the cleaning tank, arrange the other end of material pipe and run through the frame lateral wall and outwards extend, resin discharge valve sets up on arranging the material pipe, two the one end of outlet pipe sets up respectively on the lateral wall of wasing the case and be linked together with wasing the case, two the other end of outlet pipe extends to the transfer device respectively.

Further, the transfer device includes transfer case, first transfer pipe, washing circuit valve and pipeline booster pump, the transfer case sets up on the other end of two outlet pipes, the one end setting of first transfer pipe just is linked together with the transfer case on the lateral wall of transfer case, and the other end of first transfer pipe extends to filter equipment, the setting of washing circuit valve is on first transfer pipe, the pipeline booster pump sets up on the other end of first transfer pipe.

Further, filter equipment includes filter and filtering duct, the filter setting is born on the frame and on the top and the filter is linked together with the pipeline booster pump, filtering duct's one end is linked together with the filter, filtering duct's the other end is linked together with the water tank.

Furthermore, the deionization device comprises a second transit pipe, a circulation loop valve, a conductivity sensor and a connecting pipe, wherein one end of the second transit pipe is arranged on the side wall of the transit box and communicated with the transit box, the circulation loop valve is arranged on the second transit pipe, the conductivity sensor is arranged at the other end of the second transit pipe, and one end of the connecting pipe is arranged on the conductivity sensor and the other end of the connecting pipe is communicated with the water tank.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the invention realizes the low-water efficient cleaning of the cold water resin in the valve cooling system and the softening performance verification of the resin before use by designing the multifunctional cleaning device for the cold resin in the valve cooling system.

Secondly, the unique resin cleaning of the invention can realize the cleaning operation of the resin by recycling a small amount of purified water, and can simulate the change of water temperature to test the softening capacity of the mixed bed resin at different temperatures.

Thirdly, the resin is cleaned, proper purified water is added into the water storage tank, the water suction pump is started, the purified water enters the bottom of the cleaning tank from the water inlet pipe of the cleaning tank, the soaked resin rolls at the moment, the small broken resin floats on the upper portion of the purified water, the mixture of the small broken resin and the purified water enters the filter through the transfer tank to be filtered, the small broken resin is left in the filter, and the clean purified water returns to the water storage tank and circulates until the resin is cleaned.

Fourthly, the deionization effect of the resin is detected, different temperature values are set (but the temperature values cannot exceed the upper limit) according to the use temperature limits (specified in the resin specification) of different resins, the electric heater is automatically started by the device, the heating is automatically stopped when the temperature sensor detects that the temperature reaches a specified value, the water suction pump and the circulating loop valve are started to enable the resin to operate under the condition of pure water with specific temperature, the conductivity of the softened pure water is accurately detected through the high-precision conductivity sensor arranged on the water outlet pipeline of the cleaning box, and then the softening capacity of the resin is detected.

Fifthly, all the devices are integrated on the frame to bear, so that a single person can conveniently push the device to any operation place to perform the function, and the surface of the device is packaged by a frosted steel plate, so that the integrity is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

reference numerals:

the frame body comprises a frame body 1, wheels 11, a frame 12, a water tank 2, an electric heater 21, a temperature sensor 22, a liquid level meter 23, a water tank drain valve 24, a water suction pump 25, a first pipeline 26, a cleaning device 3, a support 31, a cleaning tank 32, a back washing device 33, a water inlet pipe 34, a water inlet path valve 35, a discharge pipe 36, a resin discharge valve 37, a water outlet pipe 38, a transfer device 4, a transfer tank 41, a first transfer pipe 42, a cleaning loop valve 43, a pipeline booster pump 44, a filtering device 5, a filter 51, a filtering pipeline 52, a deionization device 6, a second transfer pipe 61, a circulation loop valve 62, a conductivity sensor 63, a connecting pipe 64 and a control box 7.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the invention provides a multifunctional cleaning device for cold resin in a valve cooling system, which is shown in the following figures 1 to 6 and comprises a vehicle frame bearing 1, a water tank 2, a cleaning device 3, a transfer device 4, a filtering device 5, a deionization device 6 and a control box 7, wherein the bottom of the vehicle frame bearing 1 is provided with four wheels 11 which are symmetrical in pairs, the top of the vehicle frame bearing 1 is provided with a frame 12, the water tank 2 is arranged on the top of the vehicle frame bearing 1, the cleaning device 3 is arranged in the frame 12, the transfer device 4 is arranged beside the cleaning device 3, the transfer device 4 is communicated with the cleaning device 3, the filtering device 5 is arranged in the frame 12 beside the transfer device 4, the filtering device 5 is respectively communicated with the transfer device 4 and the water tank 2, the deionization device 6 is arranged beside the filtering device 5, and the deionization device 6 is respectively communicated with the transfer device 4 and the water tank 2, the control box 7 is arranged on the outer side wall of the frame 12 to control all the elements of the device.

The water tank 2 includes electric heater 21, temperature sensor 22, level gauge 23, water tank drain valve 24, water suction pump 25 and first pipeline 26, electric heater 21 card is established on the lateral wall of water tank 2 and electric heater 21's heating end extends to in the water tank 2, temperature sensor 22 sets up on the top of water tank 2, level gauge 23 sets up on the lateral wall of water tank 2, water tank drain valve 24 sets up on the lateral wall of water tank 2 and is linked together with water tank 2, water suction pump 25 sets up on the frame bears 1's top, the one end of first pipeline 26 is linked together with water tank 2, the other end of first pipeline 26 is installed on water suction pump 25 and is linked together with water suction pump 25.

The cleaning device 3 comprises a support 31, a cleaning tank 32, a backwashing device 33, a water inlet pipe 34, a water inlet valve 35, a discharge pipe 36, a resin discharge valve 37 and two water outlet pipes 38, wherein the support 31 is arranged on the top of the frame bearing 1 to play a role in supporting the cleaning tank 32, the cleaning tank 32 is arranged on the top of the support 31, the backwashing device 33 is arranged at the bottom in the cleaning tank 32, one end of the water inlet pipe 34 is arranged on the water suction pump 25 and communicated with the water suction pump 25, the other end of the water inlet pipe 34 is arranged in the cleaning tank 32, the water inlet valve 35 is arranged on the water inlet pipe 34 to control the water amount, one end of the discharge pipe 36 is arranged at the bottom of the cleaning tank 32 and communicated with the cleaning tank 32, the other end of the discharge pipe 36 penetrates through the side wall of the frame 12 to extend outwards, the resin discharge valve 37 is arranged on the discharge pipe 36, and one ends of the two water outlet pipes 38 are respectively arranged on the side wall of the, the other ends of the two water outlet pipes 38 extend toward the transfer device 4, respectively, and when performing a resin cleaning operation, the resin discharge valve 37, the water tank discharge valve 24 and the circulation loop valve 62 are closed, the water inlet valve 35 and the cleaning loop valve 43 are opened, an appropriate amount of resin to be cleaned is manually poured into the cleaning tank 32 with a volume not exceeding two thirds of the volume of the cleaning tank 32, the water tank 2 and the cleaning tank 32 are respectively added with about half of pure water, the water suction pump 25 is started to suck the pure water in the water tank 2 to the cleaning tank 32, the pure water is dispersed at high speed by the back washing device 33 at the bottom of the cleaning tank 32 to ensure that the resin in the cleaning tank 32 rolls at a constant speed, small particles in the resin are suspended on the upper layer surface along with the rolling of the water due to smaller gravity, while the intact resin will sink rapidly due to the larger gravity, and the mixture of the small resin particles and the purified water overflows from the water outlet pipe 38 of the cleaning tank 32 to the transfer device 4.

Transfer device 4 includes transfer case 41, first transfer pipe 42, washing circuit valve 43 and pipeline booster pump 44, transfer case 41 sets up on the other end of two outlet pipes 38, the one end setting of first transfer pipe 42 is linked together on the lateral wall of transfer case 41 and with transfer case 41, and the other end of first transfer pipe 42 extends to filter equipment 5, washing circuit valve 43 sets up on first transfer pipe 42, plays the effect of controlling first transfer pipe 42, pipeline booster pump 44 sets up on the other end of first transfer pipe 42. When the mixture of small resin particles and pure water overflows from the outlet pipe 38 of the washing tank 32 to the transit tank 41, the pipe pressurizing pump 44 is automatically activated when the water flow reaches the pipe pressurizing pump 44, and the mixture of high-pressure pure water and small resin particles flows through the filtering apparatus 5.

The filtering device 5 comprises a filter 51 and a filtering pipeline 52, the filter 51 is arranged on the top of the frame bearing 1, the filter 51 is communicated with the pipeline booster pump 44, one end of the filtering pipeline 52 is communicated with the filter 51, the other end of the filtering pipeline 52 is communicated with the water tank 2, a mixture of high-pressure purified water and small crushed resin is filtered, and then the clean purified water returns to the water tank 2 for continuous circulation.

The deionization apparatus 6 includes a second transit pipe 61, a circulation loop valve 62, a conductivity sensor 63, and a connection pipe 64, one end of the second transit pipe 61 is disposed on a side wall of the transit box 41 and communicated with the transit box 41, the circulation loop valve 62 is disposed on the second transit pipe 61 to control an action of the second transit pipe 61, the conductivity sensor 63 is disposed on the other end of the second transit pipe 61, one end of the connection pipe 64 is disposed on the conductivity sensor 63 and the other end is communicated with the water tank 2, when an ion effect detection operation of the resin is performed at different temperatures, the resin discharge valve 37, the water tank drain valve 24, the cleaning loop valve 43 are closed, the water inlet valve 35 and the circulation loop valve 62 are opened, the electric heater 21 installed in the water tank 2 is previously opened, and when the temperature sensor 22 detects that the water temperature reaches a set temperature, heating is automatically stopped, the water suction pump 25 is started to soften the resin in the cleaning tank 32, the purified water flows through the conductivity sensor 63 to form a circulation loop, and the deionization capacity of the resin is judged by observing the change of the conductivity of the deionized purified water at a specific temperature.

The working principle of the invention is as follows: when the invention is used and resin is cleaned, the resin discharge valve 37, the water tank drain valve 24 and the circulation loop valve 62 need to be closed, the water inlet valve 35 and the cleaning loop valve 43 need to be opened, a proper amount of resin to be cleaned is not more than two thirds of the volume of the cleaning box 32 and is manually poured into the cleaning box 32, about half of the water tank 2 and the cleaning box 32 are respectively added with purified water, the water suction pump 25 is started to suck the purified water in the water tank 2 to the cleaning box 32, the purified water is dispersed at high speed by the back washing device 33 at the bottom of the cleaning box 32 to ensure that the resin in the cleaning box 32 rolls at uniform speed, small crushed particles in the resin are suspended on the upper layer surface along with the rolling of the water due to smaller gravity, the intact resin sinks rapidly due to larger gravity, the mixture of the small crushed resin particles and the purified water overflows to the water outlet pipe 38 of the cleaning box 32 to the transfer box, the pipeline booster pump 44 is automatically started by induction, the mixture of the high-pressure purified water and the small resin fragments flows through the filter 51, after being filtered by the filter 51, the clean purified water returns to the water tank 2 for continuous circulation, and the small resin particles are left in the filter 51, so that the small resin particles can be cleaned by the circulation; when the resin deionization effect detection operation is carried out at different temperatures, after the resin cleaning is finished, the resin discharge valve 37, the water tank drain valve 24 and the cleaning loop valve 43 are closed, the water inlet channel valve 35 and the circulating loop valve 62 are opened, the electric heater 21 arranged in the water tank 2 is started in advance, when the temperature sensor 22 detects that the water temperature reaches the set temperature, the heating is automatically stopped, the water suction pump 25 is started to enable purified water to be softened by the resin in the cleaning tank 32 and then to flow through the conductivity sensor 63 to form a circulating loop, and the deionization capacity of the resin is judged by observing the change of the conductivity of the deionized purified water at a specific temperature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.