Novel fluid electric heater
By designing the matching structure and support mechanism of the heating tube bundle head, fixing cap and emergency bolt in the fluid electric heater, the problem of difficult construction during the maintenance of the existing fluid electric heater is solved, and more efficient maintenance and lower costs are achieved.
Patent Information
- Application Number
- CN202421286964.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The existing fluid electric heaters are difficult to construct during the maintenance process, especially the heating pipe bundle head is easy to slip, and the wiring cavity shell is heavy, making it difficult to disassemble and assemble, which increases the difficulty of repair.
A new type of fluid electric heater is designed, using a matching structure between the heating tube bundle wire head, a fixing cap and an emergency bolt. The slip wire problem is solved through the internal connection between the emergency bolt and the wire head, and the disassembly and assembly of the outer end cover of the wiring cavity is simplified through the support mechanism, and the universal wheel and adjustment column are used to achieve stable movement.
It greatly reduces construction difficulty, reduces maintenance time and cost, improves production efficiency and economic benefits, and simplifies the disassembly and assembly process of heavy wiring cavity shells.
Smart Images

Figure CN222814614U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fluid electric heater equipment, in particular to a novel fluid electric heater. Background Art
[0002] In the industrial field, fluid electric heaters are widely used for heating, temperature increase, and viscosity reduction of various fluid media in pipelines in various industries such as petroleum, chemical industry, and electric power. They have replaced traditional and backward heating methods such as steam heating, fuel heating, and constant power heating. They have the remarkable characteristics of extremely high energy transmission efficiency, extremely long continuous service life, and no environmental pollution. Each fluid electric heater integrates multiple groups of heating tube bundles, which are generally arranged horizontally. The heating tube bundles extend outward into the container, and the wire heads of the heating tube bundles extend outward in the wiring cavity. Multiple groups of heating tube bundles are connected by copper busbars in a triangle connection method, fastened by small nuts, and connected to the power cable after connection. Each fluid electric heater is generally equipped with a special control cabinet, which controls the output size of the power supply by turning on and off the thyristor in the control cabinet, so as to achieve the controllable requirements of the design temperature.
[0003] For high-power fluid electric heating, the wiring cavity is generally designed to be larger, and the heating tube bundles are more integrated. Whether it is connected in parallel through copper busbars or conventional wires, the construction difficulty is very high. In practical applications, the most common failure of fluid electric heaters is the failure of the insulation of the heating tube bundle. In this case, it is necessary to replace the spare heating tube bundle or remove the faulty heating tube bundle. After the operator has taken safety measures such as power outages, he needs to go to the site to open the outer end cover of the wiring cavity, remove the power cable, remove the small nuts that fix all copper busbars or parallel wires, and then use an insulation megohmmeter to measure the insulation value and resistance value of each group of heating tube bundles. After finding the faulty heating tube bundle, remove it or replace it with a spare heating tube bundle. After completion, all copper busbars or parallel wires are restored one by one, the power cord is connected, and after the overall measurement is no problem, the outer end cover of the wiring cavity is restored, and the power is turned on. Looking at the entire operation process, it is cumbersome and complicated. When disconnecting the copper busbar connector or parallel wires, the exposed threads of the heating tube bundle in the wiring cavity are very likely to slip. At this time, the only way to make up for it is to weld new threads or re-thread them, which is laborious and time-consuming. If the heater is arranged in an explosion-proof area, it greatly increases the difficulty of maintenance. In addition, for high-power fluid electric heaters, the wiring cavity shell is very heavy, especially for flameproof fluid electric heaters. When they need to be disassembled or restored, a large amount of manpower is required to move them. In order to meet the explosion-proof requirements, sealing rings are designed on the inside of the end cover. When installing it into the wiring cavity, it needs to be aligned before it can be pushed in, which increases the difficulty of the operation. In summary, the fluid electric heaters used today still have many disadvantages that need to be solved. Utility Model Content
[0004] In order to solve the deficiencies in the prior art, the utility model provides a novel fluid electric heater.
[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is: a new type of fluid electric heater, comprising a fluid electric heater container and a fluid electric heater wiring cavity connected to the fluid electric heater container, the front end of the fluid electric heater wiring cavity is hinged with an outer end cover of the wiring cavity, a plurality of heating tube bundles are arranged in the fluid electric heater container, the front end of the heating tube bundles are all provided with heating tube bundle wire heads, the heating tube bundle wire heads penetrate the front wall of the fluid electric heater container, the front end of the heating tube bundle wire heads is provided with a first circular groove, the first circular groove is internally threaded with an emergency plug, a fixing cap is provided between the emergency plug and the heating tube bundle wire head, the emergency plug penetrates the fixing cap, a third circular groove is provided in the fixing cap, an internal thread is provided in the third circular groove, and an external thread matching the internal thread of the third circular groove is provided on the outer side of the heating tube bundle wire head.
[0006] Furthermore, a fastening head is provided at one end of the fixing cap, a fastening groove is provided in the fastening head, and a second circular groove is provided at the connection point between the fixing cap and the fastening head.
[0007] Furthermore, the second circular groove is arranged concentrically with the third circular groove.
[0008] Furthermore, a bolt head is provided at one end of the emergency bolt, and a cross-shaped bolt head fastening groove is provided on the bolt head.
[0009] Furthermore, a fixed support is provided at one side of the front end of the wiring cavity of the fluid electric heater, and a movable support matching with the fixed support is provided at the outer end cover of the wiring cavity, and a fixing bolt passes through the fixed support and the movable support and is connected with a fixed female thread.
[0010] Furthermore, a sliding cap is provided at the connection between the movable support and the fixed support, a circular rectangular through hole is provided on the fixed support, and the fixing bolt passes through the sliding cap and the circular rectangular through hole.
[0011] Furthermore, an adjusting column is threadedly connected to the bottom of the outer end cover of the wiring cavity, a supporting column is threadedly connected to the bottom of the adjusting column, a supporting leg is rotatably connected to the bottom of the supporting column, and a universal wheel is arranged at the bottom of the supporting leg.
[0012] Furthermore, a thread head threadedly connected to the outer end cover of the wiring cavity is provided at the upper end of the adjusting column, an adjusting screw is provided at the lower end of the adjusting column, a fourth circular groove is provided at the top of the support column, and an internal thread matching the adjusting screw is provided in the fourth circular groove.
[0013] Furthermore, a top nut and a sleeve nut are sequentially arranged on the outer side of the adjusting screw from top to bottom, and the top nut and the sleeve nut are respectively threadedly connected to the adjusting screw.
[0014] Furthermore, a top shaft is arranged above the top nut, and the top shaft can slide up and down on the adjusting column.
[0015] The beneficial effects achieved by the utility model are:
[0016] 1. The utility model heats the wire bundle head, the fixing cap and the emergency bolt. When the wire bundle head slips and cannot be tightened during maintenance, the fixing cap can be reversed on the faulty wire bundle head, and the problem can be solved by the internal connection between the emergency bolt and the wire bundle head. This design is suitable for wire heads of various specifications, has strong operability, and greatly reduces the difficulty of construction. Compared with traditional repair methods, there is no need for complex tools and equipment, nor is there any need to disassemble and replace the entire wire head, which greatly saves maintenance time and cost, reduces the risk of production interruption, and thus improves production efficiency and economic benefits.
[0017] 2. When disassembling and assembling the outer end cover of the wiring cavity, the utility model connects the supporting mechanism to the bottom of the outer end cover of the wiring cavity to support the entire end cover, and the end cover moves under the drive of the universal wheel. The supporting mechanism not only has a stable structure, but also has good load-bearing capacity, which can ensure that the end cover remains stable during the movement, and there is no need for workers to manually carry the heavy end cover, thereby saving manpower and material resources and reducing work costs.
[0018] 3. The utility model can adjust the support height through simple operation through the cooperation between the support column and the adjustment column. It can be installed and used for fluid electric heaters with different installation heights. It has strong versatility and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the separation of the outer end cover of the wiring cavity and the wiring cavity of the fluid electric heater;
[0021] Figure 3 It is a schematic diagram of the structure of movable support, fixed support and fixed bolt;
[0022] Figure 4 It is a schematic diagram of the connection relationship between the movable support, the fixed support and the fixing bolt;
[0023] Figure 5 It is a schematic diagram of the overall structure of the support mechanism;
[0024] Figure 6 It is a schematic diagram of the disassembled structure of the support mechanism;
[0025] Figure 7 It is the connection relationship diagram between the supporting legs and the supporting columns;
[0026] Figure 8 It is a connection diagram of the universal wheel, the support leg and the support column;
[0027] Fig. 9 It is a connection relationship diagram of the universal wheel, the support leg, the support column and the adjustment column;
[0028] Fig.10 It is the use status diagram of the support mechanism;
[0029] Fig.11 It is a schematic diagram of the internal structure of the wiring cavity of the fluid electric heater;
[0030] Fig.12 It is the position relationship diagram of the heating tube bundle wire head;
[0031] Fig.13 This is a schematic diagram of the overall structure of the heating tube bundle wire head;
[0032] Fig.14 1. It is a schematic diagram of the overall structure of the fixed cap;
[0033] Fig.15 It is a cross-sectional view of the overall structure of the fixing cap;
[0034] Fig.16 It is a schematic diagram of the overall structure of the emergency hydrant;
[0035] Fig.17 This is the connection relationship diagram between the heating tube bundle wire head and the emergency bolt;
[0036] Fig.18 This is the connection diagram of the heating tube bundle wire head, fixing cap and emergency bolt;
[0037] Fig.19 This is a front view of the wiring cavity of a traditional fluid electric heater.
[0038] Explanation of the markings in the figure: 1. Heating tube bundle thread head; 2. Fixing cap; 21. Fastening head; 22. Fastening groove; 3. Emergency bolt; 31. Bolt head; 32. Bolt head fastening groove; 4. Movable support; 41. Sliding cap; 5. Fixed support; 6. Fixing bolt; 7. Fixing nut; 8. Universal wheel; 9. Support leg; 91. Movable clamp; 100. Support column; 101. Fixing sleeve; 200. Sleeve nut; 300. Adjusting column; 301. Adjusting screw; 302. Thread Head; 400, top nut; 500, top shaft; A, fluid electric heater wiring chamber; B, fluid electric heater container; D, wiring chamber outer end cover; D1, pull ring; D2, sealing ring; D3, end cover circular groove; E, heating tube bundle; E1, insulating layer; C1, first circular groove; C2, second circular groove; C3, third circular groove; C4, fourth circular groove; C5, fifth circular groove; C6, sixth circular groove; K1, circular rectangular through hole. DETAILED DESCRIPTION
[0039] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a new type of fluid electric heater of the utility model in conjunction with the accompanying drawings.
[0040] like Figures 1 to 19 As shown, a novel fluid electric heater includes an emergency repair mechanism, a lifting mechanism and a supporting mechanism.
[0041] The emergency repair mechanism includes a heating tube bundle wire head 1, a fixing cap 2 and an emergency plug 3. The heating tube bundle wire head 1 is a cylindrical structure as a whole, and the outer side of the heater tube bundle wire head 1 is designed with external thread throughout the body; a first circular groove C1 is designed at the center position of the upper end surface of the heating tube bundle wire head 1, and an internal thread is designed in the first circular groove C1. The fixing cap 2 is a cylindrical structure as a whole, and a fastening head 21 is designed at the front end center position of the fixing cap 2. The fastening head 21 is a nut-shaped structure as a whole, and the fastening head 21 and the fixing cap 2 are self-contained; a fastening groove 22 is cut inwardly and designed at the middle position of the front end face of the fastening head 21, and the fastening groove 22 is rectangular; a second circular groove C2 is designed extending inwardly and spaced from the fastening groove 22 at the center position of the end face of the fastening head 21; a third circular groove C3 is designed at the rear end face center position of the fixing cap 2, and the third circular groove C3 has an internal thread, and the third circular groove C3 can be threadedly connected to the heating tube bundle wire head 1; the diameter of the second circular groove C2 is larger than the diameter of the third circular groove C3. The emergency bolt 3 is in the shape of an ordinary long bolt, and a bolt head 31 is designed on the upper end surface of the emergency bolt 3. The bolt head 31 is a flat cylindrical structure as a whole. The bolt head 31 and the emergency bolt 3 are integrated, and the diameter of the bolt head 31 is larger than the diameter of the third circular groove C3; a cross bolt head fastening groove 32 is designed on the upper end surface of the bolt head 31, and the bolt head fastening groove 32 is a vertical cross shape, which is different from an ordinary nut.
[0042] The emergency plug 3 can be threadedly connected to the heating tube bundle wire head 1 through the first circular groove C1; the diameter of the second circular groove C2 is larger than the diameter of the heating tube bundle wire head 1, the depth of the second circular groove C2 matches the height of the heating tube bundle wire head 1, and the diameter of the third circular groove C3 is larger than the diameter of the main part of the emergency plug 3. After the fixing cap 2 is turned upside down and the fastening head 21 is facing the heating tube bundle wire head 1, the second circular groove C2 wraps the heating tube bundle wire head 1, and the emergency plug 3 is passed through the third circular groove C3 and threadedly connected to the heating tube bundle wire head 1 through the first circular groove C1.
[0043] In summary, the emergency repair mechanism described above, the heating tube bundle E is a "lying U" type structure as a whole, the heating tube bundle wire head 1 is designed at the front end of the heating tube bundle E and is integrated with the heating tube bundle E, and the end of the heating tube bundle wire head 1 is wrapped with an insulating layer E1 on the outside; the multiple groups of heating tube bundles E are evenly arranged in the fluid electric heater container B, the heating tube bundle wire head 1 protrudes from the fluid electric heater wiring cavity A, and the insulating layer E1 isolates the heating tube bundle wire head 1 from the fluid electric heater wiring cavity A. Fig.19 As shown, it is a front view of a conventional fluid electric heater wiring cavity. In the center of the fluid electric heater wiring cavity A, there is a spare area for the heating tube bundle E. Multiple groups of the heating tube bundles E are designed in the fluid electric heater wiring cavity A according to the specific design power size and the number of groups.
[0044] During the specific installation and arrangement, the heating tube bundle wire head 1 is connected in order according to the triangle connection method using a copper busbar connecting piece, the fixing cap 2 is threadedly connected to the heating tube bundle wire head 1 through the third circular groove C3, the fastening head 21 is tightened, and the copper busbar connecting piece is pressed. If it is difficult to implement at the fastening head 21, a screwdriver can be used to implement at the fastening groove 22; the emergency bolt 3 is arranged in the spare area; after the copper busbar connecting piece is installed, it is connected to the peripheral power supply, and the fluid electric heater can be used normally. If the insulation of the heating tube bundle E fails during use, it is necessary to cut off the power and take safety measures, then remove the peripheral power supply, remove all the copper busbar connecting pieces, and use an insulation megger to measure the insulation value of the heating tube bundle E at the heating tube bundle wire head 1. After finding the faulty heating tube bundle E, remove the faulty heating tube bundle E, and then add and supplement the heating tube bundle E in the spare area. After completion, use the copper busbar connecting piece to reconnect all the heating tube bundle wire heads 1. If the heating tube bundle wire head 1 is stripped and cannot be used, the fixing cap 2 can be turned upside down so that the fastening head 21 is facing the heating tube bundle wire head 1, and the second circular groove C2 wraps the heating tube bundle wire head 1. The emergency bolt 3 is passed through the third circular groove C3 and is threadedly connected to the heating tube bundle wire head 1 through the first circular groove C1, and is fastened at the bolt head fastening groove 32 with a screwdriver.
[0045] The lifting mechanism includes a movable support 4, a fixed support 5, a fixing bolt 6 and a fixing nut 7. The movable support 4 is a right-angled C-shaped structure as a whole, and a sliding cap 41 is designed at the middle position of the end surface of the two horizontal supports of the movable support 4. The sliding cap 41 is a circular ring structure as a whole, and the sliding cap 41 is self-contained with the movable support 4; the fixed support 5 is a right-angled C-shaped structure as a whole, and the two horizontal supports of the fixed support 5 are outwardly extended rectangular parallelepiped structures, and the vertical support of the fixed support 5 is designed on one side of the outer end surface of the two horizontal supports, and a circular rectangular through hole K1 is designed to penetrate the outer side of the end surface of the two horizontal supports; the fixing bolt 6 is an ordinary long bolt-shaped structure, and an external thread is designed on the outer side of the end of the fixing bolt 6; the fixing nut 7 is an ordinary nut-shaped structure as a whole, and the fixing nut 7 can be threadedly connected with the fixing bolt 6.
[0046] The distance between the two sliding caps 41 matches the distance between the horizontal supports of the fixed support 5, the diameter of the main part of the fixing bolt 6 matches the inner diameter of the sliding cap 41, the outer diameter of the sliding cap 41 is larger than the width of the circular rectangular through hole K1, and the bolt cap diameter of the fixing bolt 6 is the same as the outer diameter of the sliding cap 41. After the movable support 4 is movably connected with the fixed support 5, the fixing bolt 6 is passed through the sliding cap 41 and the circular rectangular through hole K1, and the fixing bolt 6 is threadedly connected with the fixing nut 7. After connection, the movable support 4 can slide back and forth and rotate in the circular rectangular through hole K1.
[0047] The movable support 4 is installed on one side of the outer end cover D of the wiring cavity; the fixed support 5 is installed on one side of the inner end cover of the wiring cavity A of the fluid electric heater; when installing the outer end cover D of the wiring cavity, multiple people or tools such as a chain are required to lift the pull ring D1. After lifting it up, align the sealing ring D2 with the inner end cover of the wiring cavity A of the fluid electric heater and snap it in place, adjust the position of the screw hole, and after adjustment, tighten the inner and outer end covers with bolts. When it is necessary to remove the outer end cover D of the wiring cavity, remove the fastening screws and pull the pull ring D1 outward with both hands. During the pulling process, the movable support 4 can slide in the circular rectangular through hole K1. After pulling out the outer end cover D of the wiring cavity, the outer end cover D of the wiring cavity can be turned to the side by rotating the movable support 4 in the circular rectangular through hole K1.
[0048] The support mechanism includes a universal wheel 8, a support leg 9, a support column 100, a sleeve nut 200, an adjustment column 300, a top nut 400 and a top shaft 500. The universal wheel 8 is a common load-bearing universal wheel; the support leg 9 is a cylindrical T-shaped structure as a whole, and a movable clamp 91 is designed at the center of the upper end surface of the support leg 9. The sliding clamp 91 is a flat cylindrical structure as a whole, and the sliding clamp 91 is integrated with the support leg 9; the support column 100 is a cylindrical structure as a whole, and a fourth circular groove C4 is designed at the center of the upper end surface of the support column 100, and the fourth circular groove C4 has an internal thread; a fixing sleeve 101 is designed at the lower end of the support column 100, and the fixing sleeve 101 is a hollow cylindrical structure, and the fixing sleeve 101 is integrated with the support column 100; in the inner side of the fixing sleeve 101, a fourth circular groove C4 is provided, and an internal thread is provided in the fourth circular groove C4 ... A sixth circular groove C6 is designed at the center position, and a fifth circular groove C5 is designed adjacent to the outside of the sixth circular groove C6. The fifth circular groove C5 and the sixth circular groove C6 are concentric with the fixed sleeve 101; the specific size of the sixth circular groove C6 matches the specific size of the active chuck 91, and the diameter of the fifth circular groove C5 matches the diameter of the support leg 9; relying on the active cooperation between the sixth circular groove C6 and the active chuck 91, and relying on the cooperation between the fifth circular groove C5 and the support leg 9, the support leg 9 can be sleeved inside the fixed sleeve 101 and can rotate freely; the sleeve nut 200 is a flat cylindrical structure with a hollow interior as a whole, and the sleeve The inner wall of the nut 200 is designed with an internal thread; the adjusting column 300 is a long cylindrical structure as a whole, the lower half of the adjusting column 300 is an adjusting screw 301, the outer side of the adjusting screw 301 is designed with an external thread, the nut 200 and the adjusting screw 301 can be threadedly connected, the adjusting screw 301 can be threadedly connected with the fourth circular groove C4, the adjusting screw 301 and the adjusting column 300 are self-contained; the upper end of the adjusting column 300 is designed with a thread head 302, the outer side of the thread head 302 is designed with an external thread, the thread head 302 and the adjusting column 300 are self-contained; the diameter of the main part of the adjusting column 300 is smaller than the diameter of the adjusting screw 3 01 in diameter, the diameter of the main part of the adjusting column 300 is larger than the diameter of the thread head 302; the top nut 400 is a short internal hollow cylindrical structure as a whole, and the inner wall of the top nut 400 is designed with an internal thread, and the top nut 400 can be threadedly connected with the adjusting screw 301, and the outer diameter of the top nut 400 is the same as the outer diameter of the sleeve nut 200; the top shaft 500 is a hollow cylindrical structure as a whole, and the inner diameter of the top shaft 500 matches the diameter of the main part of the adjusting column 300, and the top shaft 500 can slide at the main part of the adjusting column 300; the outer diameter of the top shaft 500 is larger than the inner diameter of the top nut 400, and smaller than the outer diameter of the top nut 400.
[0049] A circular groove D3 of the end cover is designed on the lower end face of the vertical end of the end cover D outside the wiring chamber, and the circular groove D3 of the end cover can be threadedly connected with the thread head 302. In specific implementation, the support mechanism is threadedly connected with the thread head 302 through the circular groove D3 of the end cover; after completion, the screws outside the end cover D outside the wiring chamber are removed, and the top nut 400 and the sleeve nut 200 are screwed upwards to make the sleeve nut 200 and the upper end face of the support column 100 separate by a certain distance. At this time, the adjustment column 300 is adjusted to make the universal wheel 8 contact the ground and bear force. After completion, the sleeve nut 200 is tightened downwards to fix the adjustment column 300. At this time, force is applied to screw the top nut 400 upwards to make the top nut 400 push the top shaft 500. , so that the top shaft 500 supports the outer end cover D of the wiring chamber, so that the outer end cover D of the wiring chamber remains motionless and does not sag; after completion, pull the pull ring D1 to separate the sealing ring D2 from the inner end cover of the wiring chamber A of the fluid electric heater. At this time, due to the action of the supporting mechanism, the pull ring D1 can be rotated to pull the outer end cover D of the wiring chamber to rotate to one side. After completing the internal maintenance, pull the outer end cover D of the wiring chamber back. Due to the action of the supporting mechanism, the outer end cover D of the wiring chamber does not sag due to gravity, which greatly saves manpower and ensures the safety of the operators.
[0050] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.
Claims
1. A new type of fluid electric heater, characterized by: The invention comprises a fluid electric heater container (B) and a fluid electric heater wiring cavity (A) connected to the fluid electric heater container (B), wherein the front end of the fluid electric heater wiring cavity (A) is hingedly connected with an outer end cover (D) of the wiring cavity, and a plurality of heating tube bundles (E) are arranged in the fluid electric heater container (B), and the front ends of the heating tube bundles (E) are all provided with heating tube bundle wire heads (1), and the heating tube bundle wire heads (1) penetrate the front wall of the fluid electric heater container (B), and the front end of the heating tube bundle wire heads (1) is provided with a first circular groove (C1), and the first circular groove (C1) is internally threadedly connected with an emergency plug (3), and a fixing cap (2) is arranged between the emergency plug (3) and the heating tube bundle wire head (1), and the emergency plug (3) penetrates the fixing cap (2), and a third circular groove (C3) is arranged in the fixing cap (2), and the third circular groove (C3) is internally threaded, and the outer side of the heating tube bundle wire head (1) is provided with an external thread matching the internal thread of the third circular groove (C3).
2. A novel fluid electric heater according to claim 1, characterized in that: A fastening head (21) is provided at one end of the fixing cap (2), a fastening groove (22) is provided in the fastening head (21), and a second circular groove (C2) is provided at the connection between the fixing cap (2) and the fastening head (21).
3. A novel fluid electric heater according to claim 2, characterized in that: The second circular groove (C2) is arranged concentrically with the third circular groove (C3).
4. A novel fluid electric heater according to claim 1, characterized in that: A bolt head (31) is arranged at one end of the emergency bolt (3), and a cross-shaped bolt head fastening groove (32) is arranged on the bolt head (31).
5. The novel fluid electric heater according to claim 1 is characterized in that: A fixed support (5) is provided on one side of the front end of the wiring cavity (A) of the fluid electric heater, and a movable support (4) matching with the fixed support (5) is provided on the outer end cover (D) of the wiring cavity, and a fixing bolt (6) passes through the fixed support (5) and the movable support (4) and is threadedly connected with a fixing nut (7).
6. A novel fluid electric heater according to claim 5, characterized in that: A sliding cap (41) is provided at the connection between the movable support (4) and the fixed support (5), a rectangular through hole (K1) is provided on the fixed support (5), and the fixing bolt (6) passes through the sliding cap (41) and the rectangular through hole (K1).
7. The novel fluid electric heater according to claim 1 is characterized in that: The bottom of the outer end cover (D) of the wiring chamber is threadedly connected to an adjustment column (300), the bottom of the adjustment column (300) is threadedly connected to a support column (100), the bottom of the support column (100) is rotatably connected to a support leg (9), and the bottom of the support leg (9) is provided with a universal wheel (8).
8. A novel fluid electric heater according to claim 7, characterized in that: The upper end of the adjusting column (300) is provided with a thread head (302) threadedly connected to the outer end cover (D) of the wiring chamber, the lower end of the adjusting column (300) is provided with an adjusting screw (301), and the top of the supporting column (100) is provided with a fourth circular groove (C4), and the fourth circular groove (C4) is provided with an internal thread matching the adjusting screw (301).
9. A novel fluid electric heater according to claim 8, characterized in that: A top nut (400) and a sleeve nut (200) are sequentially arranged on the outer side of the adjusting screw (301) from top to bottom, and the top nut (400) and the sleeve nut (200) are respectively threadedly connected to the adjusting screw (301).
10. A novel fluid electric heater according to claim 9, characterized in that: A top shaft (500) is arranged above the top nut (400), and the top shaft (500) can slide up and down on the adjustment column (300).