CN221223452U - Energy-saving and environment-friendly heat supply device for power plant - Google Patents

Abstract

The utility model provides an energy-saving and environment-friendly heat supply device of a power plant, which belongs to the technical field of heat supply equipment and comprises: the device comprises a tank body, a heat conduction pipe, a filtering component, a smoke exhausting component, a first cleaning component and a second cleaning component; the tank body is respectively provided with a water inlet, a water outlet and a smoke inlet; the heat conducting pipe is spirally arranged in the tank body, and two ends of the heat conducting pipe are respectively communicated with the water inlet pipe and the water outlet pipe; the filter assembly comprises a filter box, a support plate and filter cotton, the filter box is arranged at the top of the tank body, the support plate is embedded into the filter box, a through groove is formed in the support plate in a penetrating manner, and the filter cotton is placed on the support plate; the device washs the subassembly through first washing subassembly and second respectively to filter cotton and heat conduction pipe regularly to avoid piling up of dust granule to lead to the fact the influence to the effect of heat conduction pipe heat conduction, and dry the filter cotton through the air heater, thereby avoid the filter cotton after wasing to breed the bacterium easily moist.

Description

Energy-saving and environment-friendly heat supply device for power plant

Technical Field

The utility model belongs to the technical field of heat supply equipment, and particularly relates to an energy-saving and environment-friendly heat supply device for a power plant.

Background

In the patent document of application number 202223417263.1, a heating device suitable for thermal power factory is proposed, and the device adopts water as the treatment medium through setting up simple and easy flue gas processing apparatus in chimney pipeline export to in putting the smoke into the smoke abatement water tank through the dog, clear away dust particle and harmful gas wherein through water, and then can prevent flue gas pollution environment.

But adopt above-mentioned technical scheme, when utilizing water to the flue gas purification, the dust granule in the flue gas floats in water, when the staff changes water, leads to partial dust granule to remain in the inside heat transfer structure department of device easily at the in-process of drainage, is difficult for the clearance, and pile up in the inside heat transfer structure department of device for a long time and cause the influence to the heat conduction effect easily.

Disclosure of utility model

Based on the technical problems, the utility model provides an energy-saving and environment-friendly heat supply device for a power plant, which is used for respectively cleaning filter cotton and a heat conduction pipe regularly through a first cleaning assembly and a second cleaning assembly, so that the influence of accumulation of dust particles on the heat conduction effect is avoided, and the filter cotton is dried through a hot air blower, so that the cleaned filter cotton is prevented from being wet and bacteria are easy to breed.

The specific technical scheme is as follows:

An energy-saving and environment-friendly heating device of a power plant, comprising: the device comprises a tank body, a heat conduction pipe, a filtering component, a smoke exhausting component, a first cleaning component and a second cleaning component; the tank body is respectively provided with a water inlet, a water outlet and a smoke inlet; the heat conducting pipe is spirally arranged in the tank body, and two ends of the heat conducting pipe are respectively communicated with the water inlet pipe and the water outlet pipe; the filter assembly comprises a filter box, a support plate and filter cotton, the filter box is arranged at the top of the tank body, the support plate is embedded into the filter box, a through groove is formed in the support plate in a penetrating manner, and the filter cotton is placed on the support plate; the smoke discharging assembly comprises a first smoke discharging pipe and a second smoke discharging pipe, one end of the first smoke discharging pipe sequentially penetrates through the bottoms of the tank body and the filter box, and one end of the second smoke discharging pipe is communicated with the top of the filter box; the first cleaning component comprises a first connecting pipe, a second connecting pipe and an air heater, wherein the first connecting pipe and the second connecting pipe are respectively arranged at two sides of the filter box, two ends of the first connecting pipe are respectively communicated with the filter box and the water tank, the air heater is arranged at the top of the filter box, and the output end of the air heater is communicated with the filter box; the second cleaning component is arranged in the tank body, and the cleaning end of the second cleaning component is contacted with the heat conducting pipe.

In addition, the energy-saving and environment-friendly heating device for the power plant in the technical scheme provided by the utility model can also have the following additional technical characteristics:

In the above technical solution, the second cleaning assembly includes: the cleaning device comprises a motor, a rotating shaft, at least two connecting rods and a cleaning plate; the motor is fixed at the top of the tank body; the rotating shaft is connected with the output end of the motor and is embedded into the tank body; at least two connecting rods are respectively connected with the rotating shaft; the cleaning plate is provided with a plurality of cleaning bristles, the cleaning plate is connected with the connecting rod, and the cleaning bristles are contacted with the heat conducting pipe.

In the above technical solution, further includes: the solar panel comprises a bracket, a connecting column and a solar panel; the bracket is arranged at the top of the tank body; one end of the connecting column is connected with the bracket; the solar panel is rotationally connected with the connecting column, and the solar panel is connected with the motor and the air heater.

In the above technical solution, further includes: a storage battery; the battery is fixed at the top of the tank body, and the battery is respectively connected with the solar panel, the motor and the air heater.

In the above technical solution, further includes: a first check valve and a second check valve; the first one-way valve is respectively arranged at the water inlet, the water outlet and the smoke inlet; the second one-way valve is arranged at the first smoke exhaust pipe.

In the above technical solution, further includes: a temperature sensor and a controller; the temperature sensor is arranged in the tank body; the controller is connected with the first one-way valve at the smoke inlet and the temperature sensor.

In the above technical solution, further includes: external threads, thread blocks and a box door; the external thread is arranged on the outer side of one end of the connecting rod; threaded holes are formed in the threaded blocks in a penetrating mode, the threaded blocks are arranged on the back face of the cleaning plate, and the threaded blocks are sleeved at the external threads; the chamber door is arranged at one side of the tank body, and the chamber door is opposite to the cleaning plate.

Compared with the prior art, the energy-saving and environment-friendly heating device for the power plant has the beneficial effects that:

1. The flue gas gets into the jar internally through advancing the mouth of cigarette, and the internal water of jar carries out primary filtration to harmful gas and dust granule in the flue gas, and utilizes the heat conduction principle, makes the flue gas heat the water in the heat pipe to realize the purpose to energy reuse, and lose thermal flue gas and get into the filter box through first fume tube that discharges fume, and purify the flue gas once more through filter cotton, make the flue gas of secondary purification discharge into the atmosphere through the second fume tube, and then avoid polluted environment.

2. The cleaning solution enters the filter box through the first connecting pipe to wash the filter cotton, so that the filter cotton is periodically cleaned, and the washed water is discharged through the second connecting pipe and dried through the air heater, so that the filter cotton is prevented from being wet and bacteria are prevented from breeding.

3. When the staff needs to discharge the water in the jar body, the second washs the subassembly operation, cleans the remaining dust granule in surface to the heat pipe, makes the dust granule that adheres to at the heat pipe surface fall into the aquatic to discharge, thereby avoid dust granule to pile up in the jar body, and then avoid dust granule to pile up in the device inside and cause the influence to the effect of heat pipe heat conduction easily for a long time.

Drawings

FIG. 1 is a front view of an energy-saving and environment-friendly heating device for a power plant of the utility model;

FIG. 2 is a schematic diagram of a power plant energy-saving and environment-friendly heating device;

FIG. 3 is an elevation view of an energy-saving and environment-friendly heating device for a power plant of the present utility model;

FIG. 4 is a schematic view of the structure of the cleaning plate of the present utility model;

FIG. 5 is a schematic view of a connecting column according to the present utility model;

FIG. 6 is a schematic view of the structure of the filter box of the present utility model;

FIG. 7 is a schematic view of the structure of the through slot of the present utility model;

wherein, the correspondence between the reference numerals and the component names in fig. 1 to 7 is:

10 tank body, 11 water inlet, 12 water outlet, 13 smoke inlet, 14 heat pipe, 15 water inlet pipe, 16 water outlet pipe, 17 filter box, 18 support plate, 19 through groove, 20 filter cotton, 21 first smoke exhaust pipe, 22 second smoke exhaust pipe, 23 first connecting pipe, 24 second connecting pipe, 25 air heater, 26 motor, 27 rotating shaft, 28 connecting rod, 29 cleaning plate, 30 support, 31 connecting column, 32 solar panel, 33 battery, 34 first check valve, 35 second check valve, 36 screw thread block, 37 chamber door.

Detailed Description

The utility model will be further described with reference to specific embodiments and figures 1-7, but the utility model is not limited to these embodiments.

An energy-saving and environment-friendly heating device of a power plant, as shown in figures 1-7, comprises: the tank body 10, the heat conduction pipe 14, the filtering component, the smoke discharging component, the first cleaning component and the second cleaning component; the tank body 10 is respectively provided with a water inlet 11, a water outlet 12 and a smoke inlet 13; the heat-conducting pipe 14 is spirally arranged in the tank body 10, and two ends of the heat-conducting pipe 14 are respectively communicated with the water inlet pipe 15 and the water outlet pipe 16; the filter assembly comprises a filter box 17, a support plate 18 and filter cotton 20, wherein the filter box 17 is arranged at the top of the tank body 10, the support plate 18 is embedded into the filter box 17, a through groove 19 is formed in the support plate 18 in a penetrating manner, and the filter cotton 20 is placed on the support plate 18; the smoke discharging assembly comprises a first smoke discharging pipe 21 and a second smoke discharging pipe 22, one end of the first smoke discharging pipe 21 sequentially penetrates through the tank body 10 and the bottom of the filter box 17, and one end of the second smoke discharging pipe 22 is communicated with the top of the filter box 17; the first cleaning component comprises a first connecting pipe 23, a second connecting pipe 24 and an air heater 25, wherein the first connecting pipe 23 and the second connecting pipe 24 are respectively arranged at two sides of the filter box 17, two ends of the first connecting pipe 23 are respectively communicated with the filter box 17 and the water tank, the air heater 25 is arranged at the top of the filter box 17, and the output end of the air heater 25 is communicated with the filter box 17; the second cleaning assembly is disposed within the tank 10 with the cleaning end of the second cleaning assembly in contact with the heat pipe 14.

By arranging the water inlet 11, the water outlet 12 and the smoke inlet 13 on the tank body 10 respectively, the smoke enters the tank body 10 through the smoke inlet 13, and the smoke in the tank body 10 enters or is discharged through the water inlet 11 and the water outlet 12 respectively; thirdly, by arranging the heat-conducting pipe 14 in the tank body 10 in a spiral manner, and communicating the two ends of the heat-conducting pipe 14 with the water inlet pipe 15 and the water outlet pipe 16 respectively, the water in the heat-conducting pipe 14 is heated by the flue gas by utilizing the heat conduction principle; thirdly, the filter assembly comprises a filter box 17, a support plate 18 and filter cotton 20, wherein the filter box 17 is arranged at the top of the tank body 10, the support plate 18 is embedded into the filter box 17, a through groove 19 is arranged on the support plate 18 in a penetrating manner, and the filter cotton 20 is arranged on the support plate 18, so that the secondary purification of the smoke by the filter cotton 20 is realized, and the smoke is prevented from being discharged into the atmosphere and polluting the environment; thirdly, by arranging the smoke discharging assembly to comprise a first smoke discharging pipe 21 and a second smoke discharging pipe 22, one end of the first smoke discharging pipe 21 sequentially penetrates through the bottoms of the tank body 10 and the filter box 17, and one end of the second smoke discharging pipe 22 is communicated with the top of the filter box 17, the effect that smoke in the tank body 10 enters the filter box 17 through the first smoke discharging pipe 21 for secondary purification and the secondarily purified smoke is discharged through the second smoke discharging pipe 22 is achieved; thirdly, through the first cleaning component comprising a first connecting pipe 23, a second connecting pipe 24 and an air heater 25, wherein the first connecting pipe 23 and the second connecting pipe 24 are respectively arranged at two sides of the filter box 17, two ends of the first connecting pipe 23 are respectively communicated with the filter box 17 and the water tank, the air heater 25 is arranged at the top of the filter box 17, and the output end of the air heater 25 is communicated with the filter box 17, so that cleaning liquid enters the filter box 17 through the first connecting pipe 23 to flush the filter cotton 20, the flushed water is discharged through the second connecting pipe 24, and the air heater 25 dries the filter cotton 20, thereby avoiding the condition that the filter cotton 20 is moist and bacteria are easy to breed; again, by disposing the second cleaning assembly within the tank 10 with the cleaning end of the second cleaning assembly in contact with the heat pipe 14, the second cleaning assembly is configured to clean the dust particles remaining on the heat pipe 14. With the structure, the cleaning liquid enters the filter box 17 through the first connecting pipe 23 to flush the filter cotton 20, so that the function of cleaning the filter cotton 20 regularly is realized, the flushed water is discharged through the second connecting pipe 24 and the cleaned filter cotton 20 is dried through the air heater 25, so that the filter cotton 20 is prevented from being moist and bacteria are prevented from breeding; when the staff needs to discharge the water in the tank 10, the second cleaning assembly works to clean the dust particles remained on the surface of the heat conducting pipe 14, so that the dust particles adhered on the surface of the heat conducting pipe 14 fall into the water to be discharged, thereby avoiding long-term accumulation of the dust particles at the heat conducting pipe 14 and easily affecting the heat conducting effect of the heat conducting pipe 14.

Specifically, in the flue gas got into jar body 10 through inlet 13, the water in jar body 10 carries out primary filtration to harmful gas and dust granule in the flue gas, and utilizes the heat conduction principle, makes the flue gas heat the water in the heat conduction pipe 14 to the realization is to the purpose of energy reuse, and in losing the thermal flue gas gets into filter box 17 through first fume tube 21, and purify the flue gas once more through filter cotton 20, makes the secondary purification's flue gas discharge into the atmosphere through second fume tube 22, and then avoids the polluted environment.

In an embodiment of the present utility model, as shown in fig. 1-7, the second cleaning assembly includes: a motor 26, a rotating shaft 27, at least two connecting rods 28 and a cleaning plate 29; the motor 26 is fixed on the top of the tank body 10; the rotating shaft 27 is connected with the output end of the motor 26, and the rotating shaft 27 is embedded in the tank body 10; at least two connecting rods 28 are respectively connected with the rotating shafts 27; the cleaning plate 29 is provided with a plurality of cleaning bristles, the cleaning plate 29 is connected with the connecting rod 28, and the cleaning bristles are in contact with the heat conductive pipe 14.

By fixing the motor 26 to the top of the tank 10, the effect of determining the position of the motor 26 is achieved; thirdly, the rotating shaft 27 is connected with the output end of the motor 26, and the rotating shaft 27 is embedded into the tank body 10, so that the motor 26 is operated, and the rotating shaft 27 is driven to rotate; and at least two connecting rods 28 are respectively connected with the rotating shaft 27, a plurality of cleaning bristles are arranged on the cleaning plate 29, the cleaning plate 29 is connected with the connecting rods 28, and the cleaning bristles are in contact with the heat conducting tube 14, so that the motor 26 drives the rotating shaft 27 to rotate, dust particles spiraling on the inner wall of the heat conducting tube 14 inside the tank 10 are cleaned by the rotation of the cleaning bristles, and fall into water to be discharged inside the tank 10, so that dust particles are prevented from accumulating at the heat conducting tube 14, and the heat conducting effect of the heat conducting tube 14 is affected by accumulating in the heat conducting tube 14 for a long time.

In an embodiment of the present utility model, as shown in fig. 1 to 7, further comprising: a bracket 30, a connection post 31, and a solar panel 32; the bracket 30 is arranged at the top of the tank body 10; one end of the connection post 31 is connected to the bracket 30; the solar panel 32 is rotatably connected to the connection post 31, and the solar panel 32 is connected to the motor 26 and the hot air blower 25.

By arranging the bracket 30 on the top of the tank body 10 and connecting one end of the connecting column 31 with the bracket 30, the function of determining the position of the connecting column 31 is realized; again, by rotationally connecting the solar panel 32 with the connection post 31 and connecting the solar panel 32 with the motor 26 and the air heater 25, the function of the connection post 31 to support the solar panel is achieved, and the solar panel absorbs energy and provides it to the motor 26 and the air heater 25, thereby achieving the purpose of energy saving.

In an embodiment of the present utility model, as shown in fig. 1 to 7, further comprising: a battery 33; a storage battery 33 is fixed on the top of the tank body 10, and the storage battery 33 is respectively connected with the solar panel 32, the motor 26 and the air heater 25.

The storage battery 33 is fixed on the top of the tank body 10, the storage battery 33 is respectively connected with the solar panel 32, the motor 26 and the air heater 25, the position of the storage battery 33 is determined, and after the solar energy absorbs energy and is provided for the motor 26 and the air heater 25, the surplus energy is stored in the storage battery 33, so that the storage battery 33 provides the power for the motor 26 and the air heater 25 when the sunlight is insufficient.

In an embodiment of the present utility model, as shown in fig. 1 to 7, further comprising: a first check valve 34 and a second check valve 35; the first one-way valve 34 is respectively arranged at the water inlet 11, the water outlet 12 and the smoke inlet 13; the second check valve 35 is provided at the first smoke discharge pipe 21.

Through setting up first check valve 34 respectively in water inlet 11, delivery port 12 and inlet 13 department to set up second check valve 35 in first exhaust pipe 21 department, realized through setting up first check valve 34 in water inlet 11, delivery port 12 and inlet 13 department, thereby realize avoiding flue gas and water in the jar body 10 to flow back the effect of going out through water inlet 11, delivery port 12 and inlet 13 department, and second check valve 35 also plays the effect of separation to the flue gas in the rose box, avoids the flue gas to flow back through first exhaust pipe 21 and leads to the flue gas to get into the effect in the jar body 10 again.

In an embodiment of the present utility model, as shown in fig. 1 to 7, further comprising: a temperature sensor and a controller; the temperature sensor is arranged in the tank body 10; the controller is connected to a first one-way valve 34 and a temperature sensor at the smoke inlet 13.

By arranging the temperature sensor in the tank body 10 and connecting the controller with the first one-way valve 34 at the smoke inlet 13 and the temperature sensor, the temperature sensor monitors the temperature inside the tank body 10 and transmits the monitored temperature to the controller, and when the smoke loses heat, the controller transmits a signal to the first one-way valve 34 at the smoke inlet 13, so that new smoke enters the tank body 10.

In an embodiment of the present utility model, as shown in fig. 1 to 7, further comprising: external threads, thread blocks 36 and box door 37; the external thread is arranged outside one end of the connecting rod 28; threaded holes penetrate through the threaded blocks 36, the threaded blocks 36 are arranged on the back surface of the cleaning plate 29, and the threaded blocks 36 are sleeved at external threads; the door 37 is provided at one side of the can 10, and the door 37 is located opposite to the cleaning plate 29.

The external threads are arranged on the outer side of one end of the connecting rod 28, the threaded holes are formed in the threaded blocks 36 in a penetrating manner, the threaded blocks 36 are arranged on the back surface of the cleaning plate 29, and the threaded blocks 36 are sleeved at the external threads, so that the purpose that the threaded blocks 36 move along the external threads of the connecting rod 28 through rotating the cleaning plate 29 is achieved, the cleaning plate 29 is detached or installed, and the cleaning plate 29 is convenient to replace; again, by arranging the door 37 at one side of the tank 10, and the door 37 is opposite to the cleaning plate 29, when the cleaning plate 29 needs to be replaced, the door 37 is opened, and the motor 26 is controlled to drive the rotating shaft 27 to move, so that the cleaning plate 29 rotates to the door 37, and the cleaning plate 29 is convenient for a worker to detach.

The implementation process comprises the following steps: the smoke enters the tank body 10 through the smoke inlet 13, the water in the tank body 10 carries out primary filtration on harmful gas and dust particles in the smoke, and the smoke heats the water in the heat conduction pipe 14 by utilizing the heat conduction principle, so that the aim of reutilizing energy is fulfilled, the smoke losing heat enters the filter box 17 through the first smoke exhaust pipe 21, and the smoke is purified again through the filter cotton 20, so that the secondarily purified smoke is discharged into the atmosphere through the second smoke exhaust pipe 22, and the environment is prevented from being polluted; the cleaning liquid enters the filter box 17 through the first connecting pipe 23 to flush the filter cotton 20, so that the function of cleaning the filter cotton 20 regularly is realized, the flushed water is discharged through the second connecting pipe 24, and the cleaned filter cotton 20 is dried through the air heater 25, so that the filter cotton 20 is prevented from being wet and breeding bacteria; when the staff needs to discharge the water in the tank 10, the second cleaning assembly works to clean the residual dust particles on the surface of the heat conducting pipe 14, so that the dust particles adhered to the surface of the heat conducting pipe 14 fall into the water to be discharged, and the dust particles are prevented from being accumulated in the tank 10, and further the effect that the dust particles are accumulated in the device for a long time and easily affect the flue gas purification effect and the heat conducting effect of the heat conducting pipe 14.

In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. An energy-saving and environment-friendly heating device for a power plant, which is characterized by comprising:

the tank body is provided with a water inlet, a water outlet and a smoke inlet respectively;

The heat conducting pipe is spirally arranged in the tank body, and two ends of the heat conducting pipe are respectively communicated with the water inlet pipe and the water outlet pipe;

The filter assembly comprises a filter box, a support plate and filter cotton, wherein the filter box is arranged at the top of the tank body, the support plate is embedded into the filter box, a through groove is formed in the support plate in a penetrating mode, and the filter cotton is placed on the support plate;

The smoke exhaust assembly comprises a first smoke exhaust pipe and a second smoke exhaust pipe, one end of the first smoke exhaust pipe sequentially penetrates through the tank body and the bottom of the filter box, and one end of the second smoke exhaust pipe is communicated with the top of the filter box;

The first cleaning assembly comprises a first connecting pipe, a second connecting pipe and a hot air blower, wherein the first connecting pipe and the second connecting pipe are respectively arranged at two sides of the filter box, two ends of the first connecting pipe are respectively communicated with the filter box and the water tank, the hot air blower is arranged at the top of the filter box, and the output end of the hot air blower is communicated with the filter box;

The second cleaning component is arranged in the tank body, and the cleaning end of the second cleaning component is in contact with the heat conducting pipe.

2. The power plant energy conservation and environmental protection heating device of claim 1 wherein the second cleaning assembly comprises:

the motor is fixed at the top of the tank body;

The rotating shaft is connected with the output end of the motor and is embedded into the tank body;

at least two connecting rods, at least two of which are respectively connected with the rotating shaft;

The cleaning plate is provided with a plurality of cleaning bristles, the cleaning plate is connected with the connecting rod, and the cleaning bristles are contacted with the heat conducting tube.

3. The energy-saving and environment-friendly heat supply device for power plants according to claim 2, further comprising:

the bracket is arranged at the top of the tank body;

the connecting column is connected with the bracket at one end;

The solar panel is rotationally connected with the connecting column, and the solar panel is connected with the motor and the air heater.

4. A power plant energy saving and environmental protection heating apparatus as set forth in claim 3 further comprising:

The storage battery is fixed at the top of the tank body and is respectively connected with the solar panel, the motor and the air heater.

5. The energy-saving and environment-friendly heating device for power plants according to claim 4, further comprising:

the first one-way valve is arranged at the water inlet, the water outlet and the smoke inlet respectively;

The second one-way valve is arranged at the first smoke exhaust pipe.

6. The energy-saving and environment-friendly heating device for power plants according to claim 5, further comprising:

the temperature sensor is arranged in the tank body;

And the controller is connected with the first one-way valve at the smoke inlet and the temperature sensor.

7. The energy-saving and environment-friendly heating device for power plants according to claim 6, further comprising:

the external thread is arranged on the outer side of one end of the connecting rod;

The thread block is internally provided with a threaded hole in a penetrating manner, the thread block is arranged on the back surface of the cleaning plate, and the thread block is sleeved at the external thread;

The box door is arranged on one side of the tank body, and the box door is opposite to the cleaning plate in position.