A high-low pressure heater fouling cleaning assembly

Abstract

The application discloses a high-low pressure heater dirt cleaning assembly and relates to the technical field of dirt cleaning devices. The high-low pressure heater dirt cleaning assembly comprises a scraping unit, a driving wheel arranged on the inner side of the driving wheel, a driven element arranged on one side of the driving wheel, a vertical rod arranged on the inner side of the driven element, a sliding sleeve rod arranged between the vertical rod and the driven element, a clamping plate arranged on the inner side of the sliding sleeve rod, and a moving element arranged on one side of the clamping plate. The application has the beneficial effect that the sliding sleeve rod can be moved by rotating the driving wheel; the clamping plate can be moved towards the end of the fixed rod by moving the sliding sleeve rod; the end of the clamping plate can be in contact with the outer wall of the fixed rod, so that the impurities remaining on the outer wall of the fixed rod can be scraped clean; and the stability of the signal emission can be ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pollution cleaning device, and particularly relates to a high-low pressure heater pollution cleaning assembly. BACKGROUND

[0002] The high-pressure heater protection is an important part of the protection system of a power plant, and its reliability directly affects the safe and stable operation and economic benefits of the power generation enterprise; the action accuracy and reliability of the high-pressure heater liquid level switch are crucial to the stability of the protection system; however, the high-pressure heater liquid level switch working in a high-temperature environment is easily affected by dirt and impurities, leading to false or refused protection signal, thereby affecting the reliability of the protection system. SUMMARY

[0003] In view of the above or the problems existing in the prior art, the present application is proposed.

[0004] Therefore, the purpose of the present application is to provide a high-low pressure heater pollution cleaning assembly, which is easily affected by dirt and impurities during use, leading to false or refused protection signal, thereby affecting the reliability of the protection system.

[0005] To solve the above technical problems, the present application provides the following technical scheme: a high-low pressure heater pollution cleaning assembly, comprising a scraping unit, a drive wheel arranged on the inner side of the driving wheel, a driven member arranged on one side of the drive wheel, a vertical rod arranged on the inner side of the driven member, a sliding sleeve rod arranged between the vertical rod and the driven member, a clamping plate arranged on the inner side of the sliding sleeve rod, and a moving member arranged on one side of the clamping plate.

[0006] A liquid level unit comprises a liquid level meter body, a fixed sleeve arranged at the end of the liquid level meter body, a fixed rod arranged on the inner side of the fixed sleeve, and a floating ball arranged on the outer side of the fixed rod; the driving wheel is arranged inside the fixed sleeve.

[0007] As a preferred scheme of the high-low pressure heater pollution cleaning assembly, the driving wheel comprises a poking rod arranged on the side wall thereof; the poking rod penetrates through the fixed sleeve and extends to the outer side thereof; the driving wheel is engaged with the drive wheel; the drive wheel is engaged with the driven member; the driven member is coaxial with the axis of the driving wheel; and the drive wheel is arranged on the inner side of the fixed sleeve.

[0008] As a preferred scheme of the high-low pressure heater pollution cleaning assembly, the driven member comprises a hollow sleeve rod arranged at the end thereof; the hollow sleeve rod comprises an arc-shaped groove arranged on the inner wall thereof; and the driven member is coaxially arranged with the fixed rod.

[0009] The sliding sleeve rod comprises a guide rod arranged on the outer wall thereof; the guide rod is matched with the arc-shaped groove; the sliding sleeve rod is sleeved outside the fixed rod.

[0010] As a preferred scheme of the high-low pressure heater dirt cleaning assembly, the vertical rod comprises extrusion blocks arranged on the side wall thereof; the extrusion blocks comprise vertical ends arranged on the end portions thereof; the extrusion blocks gradually increase along the arc length radius of the fan-shaped angle; the number of the extrusion blocks is three groups, and the three groups of the extrusion blocks are equidistantly distributed along the axis of the vertical rod.

[0011] The sliding sleeve rod further comprises a hollow groove arranged in the interior thereof.

[0012] The moving piece comprises a connecting rod, a rack arranged on one end of the connecting rod, and a spring arranged on the other end of the connecting rod; the connecting rod penetrates through the hollow groove and extends into the interior thereof.

[0013] As a preferred scheme of the high-low pressure heater dirt cleaning assembly, the sliding sleeve rod further comprises a hinged seat arranged on the inner wall thereof; the clamping plate comprises gears arranged on both sides and scrapers arranged on the end portions of the clamping plate.

[0014] The clamping plate is rotationally connected between the hinged seat; the gears are engaged with the rack.

[0015] As a preferred scheme of the high-low pressure heater dirt cleaning assembly, the number of the clamping plates is multiple groups; the side wall of the rack is in contact with the vertical end; multiple groups of the scrapers are closely attached to the outer wall of the fixed rod.

[0016] As a preferred scheme of the high-low pressure heater dirt cleaning assembly, the end portion of the rack is in contact with the outer wall of the extrusion block; the moving piece moves to drive the clamping plate to rotate; multiple groups of the scrapers move away from the outer wall of the fixed rod.

[0017] As a preferred scheme of the high-low pressure heater dirt cleaning assembly, the end portion of the scraper penetrates through the end portion of the sliding sleeve rod and extends to the outside thereof; the clamping plate is arranged in the interior of the sliding sleeve rod; the clamping plate moves along with the movement of the sliding sleeve rod.

[0018] As a preferred scheme of the high-low pressure heater dirt cleaning assembly, the end portion of the sliding sleeve rod is a conical structure concave inward; the end portion of the sliding sleeve rod is provided with a drainage groove; the drainage grooves are equidistantly distributed along the axis direction of the sliding sleeve rod.

[0019] As a preferred scheme of the high-low pressure heater dirt cleaning assembly, the fixed sleeve comprises a water storage ring arranged on the outer wall thereof; the water storage ring is of a hollow structure; the inner wall of the fixed sleeve is provided with a plurality of groups of water drainage holes in communication with the water storage ring; the fixed rod comprises a limiting rod arranged on the end thereof; and the floating ball moves along the outer wall of the fixed rod.

[0020] The present application has the following advantages: the main driving wheel is rotated by being turned, which drives the sliding sleeve rod to move; the sliding sleeve rod drives the clamping plate to move towards the end of the fixed rod; the end of the clamping plate is in contact with the outer wall of the fixed rod, which scrapes off the impurities remaining on the outer wall of the fixed rod, so that the floating ball is not affected during the sliding process, thereby ensuring the stability of the signal emission. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Fig. 1 It is a structural schematic view of the high-low pressure heater dirt cleaning assembly.

[0023] Fig. 2 It is a partial sectional view of the fixed sleeve of the high-low pressure heater dirt cleaning assembly.

[0024] Fig. 3 It is a closed structure schematic view of the scraper of the high-low pressure heater dirt cleaning assembly.

[0025] Fig. 4 It is an open structure schematic view of the scraper of the high-low pressure heater dirt cleaning assembly.

[0026] Fig. 5 It is an exploded structure schematic view of the driven member and the sliding sleeve rod of the high-low pressure heater dirt cleaning assembly.

[0027] Fig. 6 It is an exploded structure schematic view of the driven member and the moving member of the high-low pressure heater dirt cleaning assembly. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0029] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be appreciated that the present application can be practiced in a variety of ways beyond the specific details set forth herein, assuming that the fundamental underlying principles are maintained. It should also be appreciated that the present application can be practiced by employing only some of the described implementations. Accordingly, the present application is not to be limited in scope by the specific implementations disclosed in the following description, which are intended as illustrations of one or more aspects of the present application.

[0030] It is also noted that, as used herein, "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the present application. The appearances of the phrase "in one embodiment" or "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

[0031] Embodiment 1

[0032] Reference Figs. 1-4 For the first embodiment of the present application, the embodiment provides a high and low pressure heater dirt cleaning assembly, which comprises a scraping unit 100, including a driving wheel 101, a driven wheel 102 arranged on the inner side of the driving wheel 101, a driven member 103 arranged on one side of the driven wheel 102, a vertical rod 104 arranged on the inner side of the driven member 103, a sliding sleeve rod 105 arranged between the vertical rod 104 and the driven member 103, a clamping plate 106 arranged on the inner side of the sliding sleeve rod 105, and a moving member 107 arranged on one side of the clamping plate 106.

[0033] Preferably, the driving wheel 101, the driven wheel 102 and the driven member 103 constitute a planetary gear assembly; so as to ensure normal transmission; and through the transmission ratio between the gears, the driving wheel 101 can drive the driven member 103 to rotate one revolution, so that the operator operates more simply and conveniently; and the driven member 103 is movably connected between the driven member 103 and the vertical rod 104; the rotation of the driven member 103 can drive the vertical rod 104 to rotate; the driven member 103 can drive the sliding sleeve rod 105 to move along the vertical direction during the rotation process, and the sliding sleeve rod 105 can clean the dirt on the outer wall of the fixed rod 203 during the movement process along the axis of the fixed rod 203; so as to ensure the smooth surface of the fixed rod 203, and make the signal emitting position more accurate; and the moving member 107 can drive the clamping plate 106 to flip along the horizontal direction; the moving member 107 drives the clamping plate 106 to rotate, so that the clamping plate 106 can be away from the fixed rod 203 without cleaning the outer wall of the fixed rod 203, so that the resetting of the clamping plate 106 is more labor-saving; and better facilitate the operator to operate.

[0034] Further, the liquid level unit 200 comprises a liquid level meter body 201, a fixing sleeve 202 arranged at the end of the liquid level meter body 201, a fixing rod 203 arranged inside the fixing sleeve 202, and a floating ball 204 arranged outside the fixing rod 203; the driving wheel 101 is arranged inside the fixing sleeve 202.

[0035] Preferably, the inside of the fixing sleeve 202 is a hollow structure, and a space for accommodating the driving wheel 101 is arranged at the end of the fixing sleeve 202; the driving wheel 101 can rotate inside the fixing sleeve 202; the driving wheel 102 is arranged at the middle position between the driving wheel 101 and the driven part 103; the driving wheel 102 can connect the driving wheel 101 and the driven part 103; the fixing rod 203 is arranged at the middle position of the fixing sleeve 202; the floating ball 204 slides on the outer wall of the fixing rod 203, so that the floating ball 204 can move along the axis direction of the fixing rod 203.

[0036] Further, the driving wheel 101 comprises a push rod 101a arranged on the side wall thereof; the push rod 101a penetrates through the fixing sleeve 202 and extends to the outside thereof; the driving wheel 101 is engaged with the driving wheel 102; the driving wheel 102 is engaged with the driven part 103; the driven part 103 coincides with the axis of the driving wheel 101; the driving wheel 102 is arranged inside the fixing sleeve 202.

[0037] Preferably, the push rod 101a penetrates through the fixing sleeve 202 and extends to the outside thereof; the staff can better pull the push rod 101a to drive the driven part 103 to rotate; the diameter of the push rod 101a is smaller than the diameter of the bottom of the liquid level meter body 201, so as to effectively prevent the staff from being mistaken; the driven part 103 is arranged at the middle position of the fixing sleeve 202; the driven part 103 is sleeved on the outside of the fixing rod 203; the fixing rod 203 simultaneously limits the position of the driven part 103, so that the position of the driven part 103 cannot be moved.

[0038] Further, the driven part 103 comprises a hollow sleeve rod 103a arranged at the end thereof; the hollow sleeve rod 103a comprises an arc-shaped groove 103a-1 arranged on the inner wall thereof; the driven part 103 is coaxially arranged with the fixing rod 203; the sliding sleeve rod 105 comprises a guide rod 105c arranged on the outer wall thereof; the guide rod 105c is matched with the arc-shaped groove 103a-1; the sliding sleeve rod 105 is sleeved on the outside of the fixing rod 203.

[0039] Preferably, the top of the driven member 103 is a gear structure; and the hollow sleeve rod 103a is connected to the end of the driven member 103, and the hollow sleeve rod 103a is sleeved outside the fixed rod 203, and the length of the hollow sleeve rod 103a is matched with the length of the sliding sleeve rod 105; the guide rod 105c is matched with the arc-shaped groove 103a-1; the inner wall of the arc-shaped groove 103a-1 can gradually extrude the outer wall of the sliding sleeve rod 105 by rotating the hollow sleeve rod 103a; so as to realize the rotation of the driven member 103 to drive the sliding sleeve rod 105 to move; when the end of the sliding sleeve rod 105 is in contact with the outer wall of the fixed rod 203, the impurities remaining on the outer wall of the fixed rod 203 can be scraped off by the movement of the sliding sleeve rod 105; thereby the surface of the fixed rod 203 can be penetrated, and the accuracy of signal transmission can be ensured.

[0040] In use, the staff needs to clean the impurities remaining on the outer wall of the fixed rod 203 regularly, when cleaning is needed, rotate the driving rod 101a so that the driving wheel 101 rotates inside the fixed sleeve 202; the driving wheel 101 rotates to drive the driven wheel 102 to rotate; the driven wheel 102 rotates to drive the driven member 103 to rotate, and the hollow sleeve rod 103a connected to the end of the driven member 103 rotates; the guide rod 105c cooperates with the arc-shaped groove 103a-1, so that the rotation of the hollow sleeve rod 103a can drive the guide rod 105c to move along the track inside the arc-shaped groove 103a-1, so that the sliding sleeve rod 105 can be driven to move along the vertical direction of the fixed rod 203, thereby the impurities on the outer wall of the fixed rod 203 can be cleaned.

[0041] In summary, the driving wheel 101 is arranged to rotate to drive the driven member 103 to rotate; the driven member 103 rotates to drive the sliding sleeve rod 105 to move, so that the sliding sleeve rod 105 slides back and forth on the outer wall of the fixed rod 203, thereby the outer wall of the fixed rod 203 can be better cleaned, and the accuracy of signal transmission of the device during use can be ensured.

[0042] Embodiment 2

[0043] Reference Figs. 1-6For the second embodiment of the present application, which is different from the first embodiment, further comprising. In the previous embodiment, the high and low pressure heater dirt cleaning assembly comprises, the vertical rod 104 comprises the extrusion block 104a arranged on the side wall thereof; the extrusion block 104a comprises the vertical end 104a-1 arranged on the end thereof; the extrusion block 104a gradually increases along the arc length radius of the fan-shaped angle; the number of the extrusion block 104a is three groups, and the three groups of extrusion blocks 104a are equidistantly distributed along the axis of the vertical rod 104; the sliding sleeve rod 105 further comprises the hollow slot 105b arranged in the interior thereof; the moving piece 107 comprises the connecting rod 107a, the rack 107b arranged on one end of the connecting rod 107a, and the spring 107c arranged on the other end of the connecting rod 107a; the connecting rod 107a penetrates through the hollow slot 105b and extends into the interior thereof.

[0044] Further, the number of the arranged extrusion blocks 104a is three groups, and the three groups of extrusion blocks 104a are equidistantly distributed along the axial direction of the vertical rod 104; and there is a certain spacing between the adjacent extrusion blocks 104a, so as to ensure that the rack 107b can be inserted to one side of the extrusion block 104a; the extrusion block 104a is in the arc structure, and the thickness thereof gradually increases from one end to the other end; and the position of the thicker end is the position of the vertical end 104a-1, and the thinner end is tangent to the outer wall of the vertical rod 104; the number of the arranged moving pieces 107 corresponds to the number of the vertical rod 104; the extrusion block 104a rotates counterclockwise, the outer wall of the extrusion block 104a continuously extrudes the end of the connecting rod 107a, so that the moving piece 107 can move into the interior of the hollow slot 105b after being pressed, at this time, the end of the connecting rod 107a is in the compressed state of the spring 107c; when the extrusion block 104a rotates clockwise, the vertical end 104a-1 is in contact with the side wall of the rack 107b, and the extrusion block 104a is limited by the rack 107b, at this time, the spring 107c pushes the rack 107b to move; so that the rack 107b can be clamped on one side of the vertical end 104a-1; the end of the vertical rod 104 can rotate a certain angle in the interior of the driven piece 103.

[0045] Further, the sliding sleeve rod 105 further comprises the hinged seat 105a arranged on the inner wall thereof; the clamping plate 106 comprises the gear 106a arranged on both sides, and the scraper 106b arranged on the end of the clamping plate 106; the clamping plate 106 is rotationally connected between the hinged seat 105a; the gear 106a is engaged with the rack 107b.

[0046] Preferably, the clamping plate 106 is hingedly rotatable between the hinged seat 105a; and the gear 106a is matched with the rack 107b, the rack 107b moves along the horizontal direction to drive the gear 106a to overturn, so that the gear 106a can be turned over in the interior of the hinged seat 105a.

[0047] Further, the number of clamping plates 106 is multiple groups; the side wall of the rack 107b is in contact with the vertical end 104a-1; the multiple groups of scrapers 106b are closely attached to the outer wall of the fixed rod 203.

[0048] Preferably, under normal circumstances, the vertical rod 104 rotates with the rotation of the driven part 103, so that the vertical end 104a-1 is in contact with the side wall of the rack 107b; the rebound force of the spring 107c pushes the rack 107b to be in contact with the vertical end 104a-1; at this time, the multiple groups of clamping plates 106 are gathered and closed inwardly, so that the scrapers 106b are clamped on the outer wall of the fixed rod 203, so that the rotation of the driven part 103 drives the sliding sleeve rod 105 to move downward, and at the same time, the scrapers 106b can clamp the outer wall of the fixed rod 203, so as to achieve the purpose of cleaning the impurities on the outer wall of the fixed rod 203.

[0049] Further, the end of the rack 107b is in contact with the outer wall of the extrusion block 104a; the moving part 107 moves to drive the clamping plate 106 to rotate; the multiple groups of scrapers 106b move away from the outer wall of the fixed rod 203.

[0050] Preferably, when it is needed to move the position of the sliding sleeve rod 105 to the inside of the fixed sleeve 202, the vertical rod 104 is reversely rotated, the end of the extrusion block 104a can extrude the end of the rack 107b, so that the rack 107b is inwardly retracted, and then the rack 107b pushes the connecting rod 107a into the inside of the hollow groove 105b, at this time the spring 107c is in a compressed state; then with the movement of the rack 107b, the gear 106a can be driven to rotate, so that the clamping plates 106 move away from each other, so that the clamping plates 106 are no longer attached to the outer side of the fixed rod 203, so as to facilitate the movement of the sliding sleeve rod 105 to the inside of the fixed rod 203, and the operation of the worker is more simple and convenient.

[0051] Further, the end of the scraper 106b penetrates the end of the sliding sleeve rod 105 and extends to the outside thereof; the clamping plate 106 is arranged inside the sliding sleeve rod 105; the clamping plate 106 moves with the movement of the sliding sleeve rod 105; the end of the sliding sleeve rod 105 is a conical structure which is inwardly recessed; the sliding sleeve rod 105 is provided with a drainage groove at the end thereof; the drainage grooves are equidistantly distributed along the axial direction of the sliding sleeve rod 105.

[0052] Preferably, the scraper 106b is arranged to extend to the outside of the sliding sleeve rod 105, so as to ensure that impurities are not located inside the sliding sleeve rod 105 during cleaning; the opening of the sliding sleeve rod 105 in the second embodiment is larger than the outer wall diameter of the fixed rod 203 and does not contact the fixed rod 203; the sliding sleeve rod 105 is arranged to rotate the clamping plate 106 while moving in the vertical direction; so as to ensure that the clamping plate 106 moves to clean the impurities on the outer wall of the fixed rod 203; the end of the sliding sleeve rod 105 is arranged to be a tapered structure that is recessed inward, so that when the end of the sliding sleeve rod 105 contacts the impurities, the impurities can be thrown outward along the inside of the sliding sleeve rod 105; so that the impurities can move away from the sliding sleeve rod 105; to some extent, ensure that the sliding sleeve rod 105 is clean; and the drainage groove is arranged to allow liquid to be thrown out along the drainage groove.

[0053] In use, when the staff needs to clean the outer wall of the fixed rod 203 regularly, the staff can follow the steps of the first embodiment to move the sliding sleeve rod 105 by driving the driving wheel 101, and the vertical end 104a-1 contacts the side wall of the rack 107b during the movement of the sliding sleeve rod 105 towards the bottom of the fixed rod 203, so that the vertical rod 104 is limited by the rack 107b; at this time, the scraper 106b moves towards each other, so that the inner wall of the scraper 106b tightly abuts the outer wall of the fixed rod 203; at the same time, the driven part 103 rotates to drive the sliding sleeve rod 105 to move, and the clamping plate 106 is used with the sliding sleeve rod 105, so as to achieve the purpose of cleaning the impurities on the outer wall of the fixed rod 203; when the position of the sliding sleeve rod 105 needs to be reset, the driven part 103 is rotated in the opposite direction, so that the driven part 103 can drive the sliding sleeve rod 105 to move towards the top of the fixed rod 203; as the vertical rod 104 rotates, the side wall of the pressing block 104a can press the end of the rack 107b; the vertical rod 104 can rotate by thirty degrees inside the driven part 103; so that there is a certain position difference between the pressing block 104a and the rack 107b, so that the pressing block 104a can press the rack 107b; as the rack 107b moves, the gear 106a can be flipped inside the sliding sleeve rod 105; as the gear 106a flips, the ends of the scraper 106b move away from each other; so that the scraper 106b no longer tightly abuts the outer wall of the fixed rod 203; so that the staff can operate the sliding sleeve rod 105 more easily, to some extent, to reduce the labor burden of the staff and improve work efficiency.

[0054] In summary, the application can drive the sliding sleeve rod 105 to move by rotating the driving wheel 101, and the sliding sleeve rod 105 can drive the clamping plate 106 to move towards the end of the fixed rod 203. The end of the clamping plate 106 is in contact with the outer wall of the fixed rod 203, so that the impurities remaining on the outer wall of the fixed rod 203 can be scraped clean. Thus, the floating ball 204 can slide along the fixed rod 203 without being affected, so as to ensure the stability of the signal emission, and the sliding sleeve rod 105 can be reset more labor-saving and convenient for the operator.

[0055] Embodiment 3

[0056] With reference to Figs. 1-2 For the third embodiment of the application, which is different from the first two embodiments, the fixed sleeve 202 comprises a water storage ring 202a arranged on the outer wall thereof. The water storage ring 202a is hollow inside. A plurality of drainage holes are arranged on the inner wall of the fixed sleeve 202 and are in communication with the water storage ring 202a. The fixed rod 203 comprises a limiting rod 203a arranged on the end thereof. The limiting rod 203a can effectively prevent the floating ball 204 from falling off from the outside of the fixed rod 203. The floating ball 204 moves along the outer wall of the fixed rod 203.

[0057] Further, the water storage ring 202a is in communication with the fixed rod 203, and a water inlet is arranged on one side of the water storage ring 202a and is connected with a water pump, so as to ensure water supply to the inside of the fixed sleeve 202, and the water flows out through the flow guide holes arranged on the inner wall of the fixed sleeve 202. The drainage holes are inclined at a certain angle with respect to the inner wall of the fixed sleeve 202, so that the water flow can flush towards the direction of the sliding sleeve rod 105 during the ejection process, thereby cleaning the sliding sleeve rod 105. The end of the sliding sleeve rod 105 can be kept clean and tidy, so that the impurities on the outer wall of the fixed rod 203 can be cleaned during the cleaning process.

[0058] During use, when the end of the sliding sleeve rod 105 is immersed into the inside of the fixed sleeve 202, in order to further ensure the tidiness of the end of the sliding sleeve rod 105, an appropriate amount of water can be injected into the inside of the fixed sleeve 202 through the water pump, and then the water is discharged through the drainage holes arranged on the inner wall of the fixed sleeve 202. The water flow is ejected on the end of the sliding sleeve rod 105 under the extrusion of the inner wall of the drainage holes, so as to clean the end of the sliding sleeve rod 105. Thus, the end of the sliding sleeve rod 105 can be kept clean and tidy.

[0059] In summary, the water flow can be used to clean the end of the sliding sleeve rod 105 through the cooperation between the water storage ring 202a and the external drainage holes, so as to ensure that the end of the sliding sleeve rod 105 is clean and tidy. Thus, the sliding sleeve rod 105 can better clean the side wall of the fixed rod 203 during the movement process.

[0060] It is important to note that the above examples are merely intended to illustrate the technical solutions of the present application but not to limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced, without departing from the spirit and scope of the technical solutions of the present application, and all these modifications and equivalents should be included in the scope of the claims of the present application.

Claims

1. A high and low pressure heater fouling cleaning assembly, characterized in that: include, The scraping unit (100) includes a drive wheel (101), a drive wheel (102) disposed inside the drive wheel (101), a driven member (103) disposed on one side of the drive wheel (102), a vertical rod (104) disposed inside the driven member (103), a sliding sleeve rod (105) disposed between the vertical rod (104) and the driven member (103), a clamping plate (106) disposed inside the sliding sleeve rod (105), and a moving member (107) disposed on one side of the clamping plate (106). The level unit (200) includes a level gauge body (201), a fixing sleeve (202) disposed at the end of the level gauge body (201), a fixing rod (203) disposed inside the fixing sleeve (202), and a float (204) disposed outside the fixing rod (203); the drive wheel (101) is disposed inside the fixing sleeve (202); The driving wheel (101) includes an actuating rod (101a) disposed on its side wall; the actuating rod (101a) passes through the fixed sleeve (202) and extends to its outer side; the driving wheel (101) meshes with the drive wheel (102); the drive wheel (102) meshes with the driven member (103); the driven member (103) coincides with the axis of the driving wheel (101); the drive wheel (102) is located inside the fixed sleeve (202); The driven member (103) includes a hollow sleeve rod (103a) disposed at its end; the hollow sleeve rod (103a) includes an arc-shaped groove (103a-1) disposed on its inner wall; the driven member (103) and the fixed rod (203) are coaxially disposed; The sliding sleeve (105) includes a guide rod (105c) disposed on its outer wall; the guide rod (105c) is adapted to the arc-shaped groove (103a-1); the sliding sleeve (105) is sleeved on the outside of the fixed rod (203); The upright (104) includes an extrusion block (104a) disposed on its side wall; the extrusion block (104a) includes a vertical end (104a-1) disposed at its end; the extrusion block (104a) gradually increases in radius along the arc of the sector angle; the number of extrusion blocks (104a) is three groups, and the three groups of extrusion blocks (104a) are equidistantly distributed along the axis of the upright (104); The sliding sleeve (105) also includes a hollow groove (105b) disposed therein. The movable component (107) includes a connecting rod (107a), a rack (107b) disposed at one end of the connecting rod (107a), and a spring (107c) disposed at the other end of the connecting rod (107a); the connecting rod (107a) passes through the hollow groove (105b) and extends into its interior; The sliding sleeve (105) also includes a hinge seat (105a) disposed on its inner wall; the clamping plate (106) includes gears (106a) disposed on both sides, and a scraper (106b) disposed at the end of the clamping plate (106). The clamping plate (106) is rotatably connected to the hinge seat (105a); the gear (106a) meshes with the rack (107b); The number of clamping plates (106) is multiple; the side wall of the rack (107b) is in contact with the vertical end (104a-1); the multiple sets of scrapers (106b) are tightly attached to the outer wall of the fixing rod (203).

2. The high and low pressure heater fouling cleaning assembly as described in claim 1, characterized in that: The end of the rack (107b) contacts the outer wall of the extrusion block (104a); the moving part (107) moves and drives the clamping plate (106) to rotate; multiple sets of scrapers (106b) move away from the outer wall of the fixed rod (203).

3. The high and low pressure heater fouling cleaning assembly as described in claim 2, characterized in that: The end of the scraper (106b) passes through the end of the sliding sleeve (105) and extends to its outer side; the clamping plate (106) is disposed inside the sliding sleeve (105); the clamping plate (106) moves as the sliding sleeve (105) moves.

4. The high and low pressure heater fouling cleaning assembly as described in claim 3, characterized in that: The end of the sliding sleeve (105) is a concave conical structure; the end of the sliding sleeve (105) is provided with a drainage groove; the drainage groove is equidistantly distributed along the axial direction of the sliding sleeve (105).

5. The high and low pressure heater fouling cleaning assembly as described in any one of claims 1 to 4, characterized in that: The fixing sleeve (202) includes a water storage ring (202a) disposed on its outer wall; the water storage ring (202a) has a hollow structure inside; the inner wall of the fixing sleeve (202) has a plurality of drainage holes connected to the water storage ring (202a); The fixing rod (203) includes a limiting rod (203a) disposed at its end; the float (204) moves along the outer wall of the fixing rod (203).

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