CN114623592A

CN114623592A - Electrode boiler

Info

Publication number: CN114623592A
Application number: CN202210378007.1A
Authority: CN
Inventors: 戴叶青; 李春明; 梁虞焕; 俞欣林; 张金树; 曹建江; 严宏炟
Original assignee: Zhejiang Shangneng Boiler Co ltd
Current assignee: Zhejiang Shangneng Boiler Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-06-14

Abstract

The application discloses electrode boiler, including motor, stove outer covering, lifter and isolation shield, the isolation shield is installed on the lifter, the lifter set up in on the stove outer covering, the both ends of lifter are located inside and outside the stove outer covering respectively, the motor sets up outside the stove outer covering, the motor with the lifter cooperation is in the same place, still includes the lantern ring, the lantern ring set up in the shell top department of stove outer covering, and the lantern ring is located outside the stove outer covering, the lantern ring is for being provided with the cavity, and the cavity intussuseption of the lantern ring is filled with liquid, and the lifter pastes the inboard rampart of tight lantern ring. The invention has the following beneficial effects: through the lantern ring of taking the cavity in the setting, the existence of lantern ring plays a transition effect to the motion of lifter, avoids the lifter to get into the condition of abrupt heat environment or abrupt heat environment in the twinkling of an eye, has reduced the probability that the lifter appears the crackle.

Description

Electrode boiler

Technical Field

The invention relates to the field of boilers, in particular to an electrode boiler.

Background

The structure of the current electrode boiler is basically as shown in patent publication CN110068002A, the boiler with this structure adjusts the heating power by driving the isolation shield to move up and down at the isolation shield through the lifting motion of the lifting motion rod, but the lifting motion rod of the boiler with this structure needs to enter and exit the boiler when adjusting the power, and the temperature difference between the inside and the outside of the boiler is very large, so the lifting motion rod can be switched between two environments with large temperature difference when entering and exiting the boiler, which easily causes the shaft of the lifting motion rod to generate a phenomenon of sudden cooling and heating, and the occurrence of the phenomenon of sudden cooling and heating easily causes the lifting motion rod to generate a phenomenon of cracking.

Disclosure of Invention

The invention aims at the problems and provides an electrode boiler.

The technical scheme adopted by the invention is as follows:

the utility model provides an electrode boiler, includes motor, stove outer covering, lifter and isolation shield, the isolation shield is installed on the lifter, the lifter set up in on the stove outer covering, the both ends of lifter are located the stove outer covering respectively inside and outside, the motor sets up outside the stove outer covering, the motor with the lifter cooperation is in the same place, still includes the lantern ring, the lantern ring set up in the shell top department of stove outer covering, and the lantern ring is located outside the stove outer covering, the lantern ring is for being provided with the cavity, and the cavity intussuseption of the lantern ring is filled with liquid, and the lifter pastes the inboard rampart of tight lantern ring.

In this kind of electrode boiler, set up the lantern ring of taking the cavity through the shell top department at the stove outer covering, pack like liquid in the space of lantern ring, the temperature of liquid is less than the temperature of steam in the boiler all the time in the cavity, and is higher than the temperature of environment, the temperature of the lantern ring is roughly equal with the temperature of liquid like this, the lifter is at the in-process of business turn over stove outer covering like this, the existence of the lantern ring plays a transition effect to the motion of lifter, avoid the lifter to get into the condition of abrupt hot environment or quench environment in the twinkling of an eye, the probability that the crackle appears in the lifter has been reduced.

The lifting rod is driven to move on the furnace shell by the specific motor, so that the rod wall of the lifting rod is not required to be provided with threads, and the lubricating agent is not required to be coated on the rod wall of the lifting rod when the boiler is used (if the threads exist on the rod wall of the lifting rod, the lubricating agent is required to be coated), and the coating of the lubricating agent can further pollute water in the boiler.

Optionally, the lifting rod is slidably engaged with the furnace shell.

Because the rod wall of the lifting rod is not provided with threads, the lifting rod is in sliding fit with the furnace shell, so that the sealing requirement between the furnace shell and the lifting rod is reduced, the furnace shell and the lifting rod are more easily sealed, and the probability of steam leakage in the furnace shell is reduced.

Optionally, the isolation shield further comprises a connecting plate, the connecting plate is arranged on the lifting rod, and the isolation shield is arranged on the connecting plate.

The connecting plate is arranged for mounting an isolation shield, the connecting plate is fixed on the lifting rod, the isolation shield is mounted on the connecting plate, and the lifting rod can move in the furnace shell to further drive the isolation shield to move in the furnace shell.

Optionally, the furnace further comprises a guide sleeve, the guide sleeve is fixedly arranged in the furnace shell, and the lifting rod and the guide sleeve are in sliding fit together.

The effect of concrete uide bushing plays the guide effect to the lifter for the deviation can not take place for the in-process that the lifter moved on the stove outer covering, and 2 are no less than to the number of concrete uide bushing, and a uide bushing is located the stove outer covering, and another uide bushing is located outside the stove outer covering, fixes a position the direction to the both ends of lifter like this respectively, with the lifter in the probability that removes the in-process emergence deviation.

Optionally, the furnace further comprises a protection pipe, wherein the protection pipe is arranged in the furnace shell, and part of the rod wall of the lifting rod is positioned in the protection pipe.

Concrete protection tube is located the stove outer covering, and a mouth of pipe of protection tube is in the confined state, and another mouth of pipe of protection tube is in open state, and the partial pole section of lifter is located in the protection tube, the mouth of pipe of concrete protection tube is located the water level top in the stove outer covering all the time, ensures that can not intake all the time in the protection tube, ensures like this that the lifter does not contact with liquid water all the time, good effect that can play like this to the lifter reduces the corrosion loss of lifter.

Optionally, the furnace further comprises a support, the support is mounted at the top of the furnace shell and located outside the furnace shell, and the motor is mounted on the support.

The support is arranged for mounting the motor, and the existence of the support can prevent the motor from directly contacting with the furnace shell.

Optionally, the device further comprises an electrode rod, and the electrode rod is fixedly arranged in the shell.

Optionally, the lifting rod is parallel to the central axis of the isolation shield.

The lifting rod is parallel to the central axis of the isolation shield, so that the stability of the isolation shield in operation can be ensured.

The invention has the beneficial effects that: through the lantern ring that sets up the area cavity, the existence of lantern ring plays a transition effect to the motion of lifter, avoids the lifter to get into the condition of abrupt heat environment or quench environment in the twinkling of an eye, has reduced the probability that the crack appears in the lifter. And the lantern ring can reduce the ambient temperature around the motor, and the protection motor can not the operation of overtemperature.

Description of the drawings:

FIG. 1 is a schematic view of the structure of example 1,

FIG. 2 is a schematic view showing the fitting relationship between a transmission shaft and an upper lift lever in accordance with embodiment 1,

fig. 3 is a schematic view showing the fitting relationship between the collar and the upper lifter in embodiment 1.

The figures are numbered: 1. a motor; 2. connecting a bearing; 3. a drive shaft; 4. rotating the limiting sheet; 5. a collar; 501. a cavity; 601. an upper lifting rod; 602. a lower lifting rod; 7. an isolation shield; 8. a connecting plate; 9. a guide sleeve; 10. protecting the tube; 11. a furnace shell; 12. and (4) a support.

The specific implementation mode is as follows:

the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

As shown in figure 1, figure 2 and figure 3, an electrode boiler, including motor 1, stove outer covering 11, lifter and isolation shield 7, isolation shield 7 installs on the lifter, the lifter sets up on stove outer covering 11, the both ends of lifter are located inside and outside stove outer covering 11 respectively, motor 1 sets up outside stove outer covering 11, motor 1 is in the same place with the lifter cooperation, still include lantern ring 5, lantern ring 5 sets up in the shell top department of stove outer covering 11, and lantern ring 5 is located outside stove outer covering 11, lantern ring 5 is for being provided with cavity 501, the cavity 501 intussuseption of lantern ring 5 is filled with liquid, the lifter pastes the inboard rampart of tight lantern ring 5.

In the embodiment, the lifting rod includes two sections, i.e., an upper lifting rod 601 and a lower lifting rod 602, the upper lifting rod 601 and the lower lifting rod 602 are fixed together by a connecting member, the lower lifting rod 602 is always located in the furnace shell 11, and a part of the upper lifting rod 601 is located in the furnace shell 11 and a part of the upper lifting rod is located outside the furnace shell 11.

In particular, in this embodiment, the collar 5 is provided with a hole communicating with the cavity 501, so that the liquid can be replaced into the cavity 501 at any time according to the needs, and the temperature of the liquid in the cavity 501 is ensured to be constant all the time, so that the temperature of the whole collar 5 is constant.

When the boiler provided by the embodiment is used as a hot water boiler, the temperature of the gas in the furnace shell 11 does not exceed 100 ℃, the temperature of the lantern ring 5 can be set to be maintained at 60 ℃, and if the ambient temperature outside the furnace shell 11 is 20 ℃, the situation that the temperature of the rod wall of the lifting rod rises and falls suddenly can be effectively avoided.

In this embodiment, the upper lifting rod 601 is a hollow rod, and the air rod can make the collar 5 relatively quickly heat or cool the rod.

In this embodiment, motor 1 installs transmission shaft 3 through connecting bearing 2, be provided with the screw thread on the outer wall of transmission shaft 3, be provided with the screw thread on the inner wall of rising lifter 601, transmission shaft 3 and last lifter 601 cooperate together through screw-thread fit's mode, wherein install rotatory spacing piece 4 on the rising lifter 601, choose to grab spacing piece and paste tight support 12, the existence of rotatory spacing piece 4 makes and goes up lifter 601 and can only remove and can't rotate along support 12, so can drive when transmission shaft 3 rotates and go up lifter 601 and remove thereby advance and go out stove outer shell 11 along the axial lead of self.

This kind of electrode boiler, set up the lantern ring 5 of taking cavity 501 through the shell top department at stove outer covering 11, the space intussuseption of lantern ring 5 is like liquid, the temperature of liquid is less than the temperature of steam in the boiler all the time in the cavity 501, and be higher than the temperature of environment, the temperature of lantern ring 5 is roughly equal with the temperature of liquid like this, the lifter is at the in-process of business turn over stove outer covering 11 like this, the existence of lantern ring 5 plays a transition effect to the motion of lifter, avoid the lifter to get into the condition of abrupt hot environment or quench environment in the twinkling of an eye, the probability that crackle appears in the lifter has been reduced.

The specific motor 1 drives the lifting rod to move on the furnace shell 11, so that the rod wall of the lifting rod is not required to be provided with threads, and the rod wall of the lifting rod is not required to be coated with a lubricant (if the threads exist on the rod wall of the lifting rod, the lubricant is required to be coated), and the coating of the lubricant further pollutes water in the boiler.

As shown in fig. 1, 2 and 3, the lifting rod is slidably engaged with the furnace shell 11.

Because the rod wall of the lifting rod is not provided with threads, the lifting rod is in sliding fit with the furnace shell 11, so that the sealing requirement between the furnace shell 11 and the lifting rod is reduced, the furnace shell 11 and the lifting rod are easier to seal, and the probability of steam leakage in the furnace shell 11 is reduced.

As shown in fig. 1, fig. 2 and fig. 3, the isolation shield further comprises a connecting plate 8, the connecting plate 8 is arranged on the lifting rod, and the isolation shield 7 is arranged on the connecting plate 8.

The function of the connecting plate 8 is to mount the shield 7, the connecting plate 8 is fixed on the lifting rod, and the shield 7 is mounted on the connecting plate 8, the lifting rod can move in the furnace shell 11 to further drive the shield 7 to move in the furnace shell 11.

As shown in fig. 1, fig. 2 and fig. 3, the furnace further comprises a guide sleeve 9, the guide sleeve 9 is fixedly arranged in the furnace shell 11, and the lifting rod is in sliding fit with the guide sleeve 9.

The effect of concrete uide bushing 9 is that play the guide effect to the lifter for the in-process that the lifter removed on stove outer covering 11 can not take place to incline to, and 2 are no less than to the number of concrete uide bushing 9, and a uide bushing 9 is located stove outer covering 11, and outside another uide bushing 9 was located stove outer covering 11, fixes a position the direction to the both ends of lifter like this respectively, takes place the probability of incline with the lifter at the removal in-process.

As shown in fig. 1, fig. 2 and fig. 3, the furnace shell further comprises a protection pipe 10, wherein the protection pipe 10 is arranged in the furnace shell 11, and part of the rod wall of the lifting rod is positioned in the protection pipe 10.

Concrete protection tube 10 is located stove outer covering 11, and a mouth of pipe of protection tube 10 is in the confined state, and another mouth of pipe of protection tube 10 is in open state, and the partial pole section of lifter is located protection tube 10, and the mouth of pipe of concrete protection tube 10 is located the water level top in stove outer covering 11 all the time, ensures can not intake all the time in the protection tube 10, ensures like this that the lifter does not contact with liquid water all the time, good effect that can play like this to the lifter reduces the corrosion loss of lifter.

As shown in fig. 1, fig. 2 and fig. 3, the furnace further comprises a support 12, the support 12 is installed at the top of the furnace shell 11, the support 12 is located outside the furnace shell 11, and the motor 1 is installed on the support 12.

The support 12 is provided for mounting the motor 1 and is present to avoid direct contact of the motor 1 with the housing 11.

As shown in fig. 1, fig. 2 and fig. 3, the electrode assembly further includes an electrode rod fixedly disposed in the housing.

In this embodiment, three electrode rods (electrode tips of the electrode rods are phase electrodes) and three zero position electrodes are installed in the furnace shell 11, and there are also three isolation shields 7, the installation structure of the electrode rods and the zero position electrodes in the furnace shell 11 can be referred to as patent CN110068002A, and the positional relationship among the electrode rods, the zero position electrodes and the isolation shields 7 is also referred to as CN 110068002A.

As shown in fig. 1, 2 and 3, the lifting rod is parallel to the central axis of the isolation shield 7.

The lifting rod is parallel to the central axis of the isolation shield 7, so that the isolation shield 7 can be ensured to be stable during operation.

The boiler provided by the embodiment can be a hot water boiler, and also can be a steam boiler or a hot water boiler.

The upper lifting rod in this embodiment is a round metal pipe, while the lower lifting rod can be a solid metal rod, and the lower lifting rod can be square.

As a deformed implementation structure, the present embodiment can also adopt a plurality of lantern ring combinations to be sleeved for use, so as to ensure that

Example 2

The difference between this embodiment and embodiment 1 is that in this embodiment, the motor does not drive the upper lifting rod to move through the transmission shaft and the connecting bearing, but a gear is installed on the motor, a rack is installed on the upper lifting rod, and the motor directly drives the upper lifting rod to move through the meshing of the gear and the rack.

Example 3

The difference between this embodiment and embodiment 1 is that, in this embodiment, the upper lifting rod is not driven by the motor, the transmission shaft and the connecting bearing, but the cylinder is installed on the furnace shell, and the cylinder directly drives the upper lifting rod to move.

Example 4

An electric-based thermal energy supply system comprising the electrode boiler as described in embodiment 1 can supply hot water or steam.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and can be directly or indirectly applied to other related fields of technology.

Claims

1. The utility model provides an electrode boiler, includes motor, stove outer covering, lifter and isolation shield, the isolation shield is installed on the lifter, the lifter set up in on the stove outer covering, the both ends of lifter are located the stove outer covering respectively inside and outside, the motor sets up outside the stove outer covering, the motor with the lifter cooperation is in the same place, its characterized in that still includes the lantern ring, the lantern ring set up in the shell top department of stove outer covering, and the lantern ring is located outside the stove outer covering, the lantern ring is for being provided with the cavity, and the cavity intussuseption of the lantern ring is filled with liquid, and the lifter pastes the inboard rampart of the tight lantern ring.

2. The electrode boiler of claim 1, wherein said lifter bar is slidably engaged with said furnace shell.

3. The electrode boiler of claim 1, further comprising a connecting plate disposed on the lifting rod, the isolation shield being mounted on the connecting plate.

4. The electrode boiler of claim 1, further comprising a guide sleeve fixedly disposed within the furnace shell, wherein the lifter bar is slidably engaged with the guide sleeve.

5. The electrode boiler of claim 1, further comprising a protection tube disposed within the furnace shell, a portion of the rod wall of the lifter rod being located within the protection tube.

6. The electrode boiler according to claim 1, further comprising a support installed at a shell top of the furnace shell and located outside the furnace shell, the motor being installed on the support.

7. The electrode boiler of claim 1, further comprising an electrode rod fixedly disposed within the shell.

8. The electrode boiler of claim 1, wherein the lifter bar is parallel to the central axis of the isolation shield.