CN216113991U - Boiler feed water nozzle with adjustable temperature - Google Patents

Abstract

The utility model discloses a temperature-adjustable boiler water supply nozzle, which comprises a shell, wherein a hollow pipe is arranged in the shell, the top of one side of the hollow pipe is fixedly connected with a water return connecting pipe, the water return connecting pipe is communicated with the hollow pipe, the outer walls of the two sides of the hollow pipe are respectively and symmetrically and fixedly connected with a plurality of groups of circulating water joints, and a plurality of circulating water pipes are arranged, so that internal steam can be stabilized in a normal range through a medium in the shell when heat exchange is carried out, and the normal operation of the device is ensured.

Description

Boiler feed water nozzle with adjustable temperature

The technical field is as follows:

the utility model relates to the field of liquid nitrogen washing devices, in particular to a temperature-adjustable boiler water supply nozzle.

Background art:

the liquid nitrogen washing device is a domestic first double-tower methane-containing rectification process, the temperature of regenerated nitrogen is found to be insufficient in the test run process, the regeneration requirement cannot be met, and then a heating steam valve is fully opened and boiler spray water is fully closed through series of process adjustment, so that the temperature of medium-pressure steam in production is too high, and the medium-pressure nitrogen cannot meet the design requirement.

The temperature of the regenerated nitrogen can not reach the designed temperature due to medium-pressure steam, so that the root of the problem is found under the joint efforts of technicians, the steam has large loss in the conveying process, and the temperature of the regenerated nitrogen is finally insufficient, so that a temperature-adjustable boiler water supply nozzle is needed.

The utility model has the following contents:

the utility model aims to provide a temperature-adjustable boiler water supply nozzle.

The utility model is implemented by the following technical scheme:

a boiler water supply nozzle with adjustable temperature comprises a shell, wherein a hollow pipe is arranged in the shell, a backwater connecting pipe is fixedly connected to the top of one side of the hollow pipe, the backwater connecting pipe is communicated with the hollow pipe, a plurality of groups of circulating water connectors are symmetrically and fixedly connected to the outer walls of the two sides of the hollow pipe respectively, each group of circulating water connectors is two, each circulating water connector is communicated with the hollow pipe, a plurality of trapezoidal inserting blocks are uniformly and fixedly connected to the bottom of the outer wall of the hollow pipe in an annular mode, a plurality of inserting grooves are uniformly formed in the inner bottom surface of the shell, the bottom end of each trapezoidal inserting block extends into the corresponding inserting groove and is in sliding connection with the corresponding inserting groove in an attaching mode, two arc cover bodies are sleeved on the outer wall of the shell, the two arc cover bodies jointly form a circle, a plurality of circulating water pipes are fixedly connected to the inner arc wall of each arc cover body, and a plurality of water inlet holes are formed in each circulating water pipe, a plurality of water inlet holes are respectively arranged in the corresponding arc cover bodies, the other end of each circulating water pipe extends into the shell and the corresponding circulating water joint, one section of each circulating water pipe extending into the circulating water joint is jointed and glidingly connected with the corresponding circulating water joint, wherein the inner arc wall of one of the arc cover bodies is fixedly provided with a temperature sensor, the inner arc wall of each arc cover body is fixedly connected with a plurality of connecting rods, the other end of each connecting rod is fixedly provided with a heating component, the heating component is arc-shaped, two groups of pressurizing blades are fixedly connected on the outer wall of the hollow pipe, the outer arc walls of the two arc-shaped cover bodies are jointed and sleeved with heat insulation sleeves, the arc-shaped cover body provided with a temperature sensor is fixedly inserted with a recovery pipe, one end of the recovery pipe extends into the shell and extends into the backwater connecting pipe, and one end of the recovery pipe extending into the backwater connecting pipe is attached to the backwater connecting pipe in a sliding mode.

Preferably, the bottom of one side of the arc cover body is fixedly connected with a water inlet pipe, the water inlet pipe is communicated with the arc cover body, and the other end of the water inlet pipe penetrates out of the thermal insulation sleeve.

Preferably, the sliding connection part of the circulating water pipe and the recovery pipe with the shell is provided with a rubber sealing ring, and the rubber sealing ring is fixedly arranged on the shell.

Preferably, the connecting rod is hollow, a heating resistance wire is arranged in the heating assembly, and a circuit of the heating resistance wire penetrates through the connecting rod.

Preferably, a water spraying hole is fixedly arranged at the bottom end of the shell.

Preferably, the supercharging blades are fan-shaped, each group of supercharging blades is six, and six supercharging blades in each group are distributed annularly.

The utility model has the advantages that: be provided with a plurality of circulating pipe, make inside steam can make when carrying out the heat exchange through the medium in the casing stable in normal range like this, thereby guarantee the normal clear of device, be provided with two sets of pressure boost blades on the hollow tube, avoid like this because the setting of hollow tube and lead to the condition emergence that inside atmospheric pressure is low, the device conveniently dismantles and maintains simultaneously, compare in traditional device, save the resource more, the change and the maintenance of spare part are more convenient, the simple manufacture, indirect cost reduction.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a cross-sectional view of structure A-A of the present invention;

FIG. 3 is a cross-sectional view of structure B-B of the present invention;

fig. 4 is a side view of a structural trapezoidal insert of the present invention.

In the figure: the water circulation device comprises a shell 1, a hollow pipe 2, a water return connecting pipe 3, a circulating water joint 4, a trapezoidal insertion block 5, a slot 6, an arc-shaped cover body 7, a temperature sensor 8, a heating component 9, a connecting rod 10, a circulating water pipe 11, a water inlet hole 12, a pressurizing blade 13, a heat insulation sleeve 14, a water inlet pipe 15, a recovery pipe 16 and a water spraying hole 17.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, a temperature-adjustable boiler water supply nozzle comprises a casing 1, a hollow pipe 2 is arranged in the casing 1, a water return connection pipe 3 is fixedly connected to the top of one side of the hollow pipe 2, the water return connection pipe 3 is communicated with the hollow pipe 2, a plurality of groups of circulating water connectors 4 are respectively and symmetrically and fixedly connected to the outer walls of the two sides of the hollow pipe 2, two circulating water connectors 4 are arranged in each group, each circulating water connector 4 is communicated with the hollow pipe 2, a plurality of trapezoidal insertion blocks 5 are uniformly and fixedly connected to the bottom of the outer wall of the hollow pipe 2 in an annular manner, a plurality of insertion slots 6 are uniformly arranged on the inner bottom surface of the casing 1, the bottom end of each trapezoidal insertion block 5 extends into the corresponding insertion slot 6 and is in sliding connection with the corresponding insertion slot, two arc-shaped cover bodies 7 are sleeved on the outer wall of the casing 1, the two arc-shaped cover bodies 7 jointly form a circle, and a plurality of circulating water pipes 11 are fixedly connected to the inner arc wall of each arc-shaped cover body 7, each circulating water pipe 11 is provided with a plurality of water inlet holes 12, the plurality of water inlet holes 12 are respectively arranged in corresponding arc cover bodies 7, the other end of each circulating water pipe 11 extends into the shell 1 and extends into the corresponding circulating water joint 4, one section of each circulating water pipe 11 extending into the circulating water joint 4 is in fit sliding connection with the corresponding circulating water joint 4, a temperature sensor 8 is fixedly arranged on the inner arc wall of one of the arc cover bodies 7, a plurality of connecting rods 10 are fixedly connected on the inner arc wall of each arc cover body 7, a heating component 9 is fixedly arranged at the other end of each connecting rod 10, the heating component 9 is arc-shaped, two groups of pressurizing blades 13 are fixedly connected on the outer wall of the hollow pipe 2, the outer arc walls of the two arc cover bodies 7 are in fit joint with a temperature insulation sleeve 14, and a recovery pipe 16 is fixedly inserted into the arc cover body 7 provided with the temperature sensor 8, one end of the recovery pipe 16 extends into the shell 1 and extends into the water return connection pipe 3, and one end of the recovery pipe 16 extending into the water return connection pipe 3 is in sliding connection with the water return connection pipe 3 in a fitting manner.

The bottom of one side of the arc cover body 7 is fixedly connected with a water inlet pipe 15, the water inlet pipe 15 is communicated with the arc cover body 7, and the other end of the water inlet pipe 15 penetrates out of the thermal insulation sleeve 14.

And rubber sealing rings are arranged at the sliding connection parts of the circulating water pipe 11 and the recovery pipe 16 and the shell 1, and are fixedly arranged on the shell 1.

The connecting rod 10 is hollow, a heating resistance wire is arranged in the heating assembly 9, and a circuit of the heating resistance wire penetrates through the connecting rod 10.

The bottom end of the shell 1 is fixedly provided with a water spraying hole 17.

The supercharging blades 13 are fan-shaped, each group of supercharging blades 13 is six, and the six supercharging blades 13 in each group are distributed annularly.

When the device is used, the device is installed, the water inlet pipe 15 is connected with an external high-temperature steam pipeline, the recovery pipe 16 is connected with an external steam backflow pipeline, and a passage is formed, so that the device can be normally used, when temperature regulation and control are carried out, the plurality of heating assemblies 9 are started to work, and an area formed by the two arc-shaped cover bodies 7 and the shell 1 is heated, so that the phenomenon that steam enters the space through the water inlet pipe 15 to generate condensed water is avoided or reduced, the temperature of the space is slightly higher than the temperature required to be regulated and controlled through the temperature sensor 8, the temperature is higher than the temperature within a range of 6 ℃ to 10 ℃, regulation and control are carried out according to the heat conductivity of materials, for example, the material of the circulating water pipe 11 is made of a hard aluminum alloy material, the regulation and control temperature is slightly higher than about 8 ℃, so that the medium passing through the shell 1 can be stabilized in the heat exchange process of the steam inside the circulating water pipe 11, thereby ensuring the normal operation of the device, simultaneously, after steam enters the hollow pipe 2 along the space, the steam is discharged along the recovery pipe 16, thereby forming a circulation, simultaneously, two groups of pressurizing blades 13 are arranged on the hollow pipe 2, thereby avoiding the condition that the internal air pressure is low because of the arrangement of the hollow pipe 2, the medium forms a turbine shape after passing through the two pressurizing blades 13, thereby achieving the pressurizing effect, similarly, a plurality of trapezoidal insertion blocks 5 are arranged, the state that the inclined plane gap between the two adjacent trapezoidal insertion blocks 5 is gradually reduced is utilized, so that the internal working medium keeps enough pressure and stability at the water spraying hole 17, meanwhile, the device is convenient to disassemble and maintain, when the disassembly and maintenance are carried out, only the heat insulation sleeve 14 needs to be pulled away from one side, so that the two arc cover bodies 7 move towards both sides, thereby the hollow pipe 2 and the parts on the hollow pipe 2 can be taken out of the shell 1, thereby conveniently change, compare in traditional device, save the resource more, the change and the maintenance of spare part are more convenient, simple manufacture, indirect reduce the cost.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. The utility model provides a boiler feed water nozzle with adjustable temperature which characterized in that: the water circulation device comprises a shell, a hollow pipe is arranged in the shell, a water return connecting pipe is fixedly connected to the top of one side of the hollow pipe, the water return connecting pipe is communicated with the hollow pipe, a plurality of groups of circulating water connectors are symmetrically and fixedly connected to the outer walls of the two sides of the hollow pipe respectively, each group of circulating water connectors is two, each circulating water connector is communicated with the hollow pipe, a plurality of trapezoidal inserting blocks are uniformly and fixedly connected to the bottom of the outer wall of the hollow pipe in an annular mode, a plurality of inserting grooves are uniformly formed in the inner bottom surface of the shell, the bottom end of each trapezoidal inserting block extends into the corresponding inserting groove and is in sliding connection with the corresponding inserting groove in an attaching mode, two arc-shaped cover bodies are sleeved on the outer wall of the shell, the two arc-shaped cover bodies jointly form a circle, a plurality of circulating water pipes are fixedly connected to the inner arc wall of each arc-shaped cover body, a plurality of water inlet holes are formed in the corresponding arc-shaped cover bodies respectively, the other end of each circulating water pipe extends into the shell and extends into the corresponding circulating water joint, one section of each circulating water pipe extending into the circulating water joint is jointed and glidingly connected with the corresponding circulating water joint, wherein the inner arc wall of one of the arc cover bodies is fixedly provided with a temperature sensor, the inner arc wall of each arc cover body is fixedly connected with a plurality of connecting rods, the other end of each connecting rod is fixedly provided with a heating component, the heating component is arc-shaped, two groups of pressurizing blades are fixedly connected on the outer wall of the hollow pipe, the outer arc walls of the two arc-shaped cover bodies are jointed and sleeved with heat insulation sleeves, the arc-shaped cover body provided with a temperature sensor is fixedly inserted with a recovery pipe, one end of the recovery pipe extends into the shell and extends into the backwater connecting pipe, and one end of the recovery pipe extending into the backwater connecting pipe is attached to the backwater connecting pipe in a sliding mode.

2. The boiler feed water nozzle with adjustable temperature of claim 1, characterized in that: the bottom of one side of the arc cover body is fixedly connected with a water inlet pipe, the water inlet pipe is communicated with the arc cover body, and the other end of the water inlet pipe penetrates out of the thermal insulation sleeve.

3. The boiler feed water nozzle with adjustable temperature of claim 1, characterized in that: and rubber sealing rings are arranged at the sliding connection parts of the circulating water pipe, the recovery pipe and the shell, and are fixedly arranged on the shell.

4. The boiler feed water nozzle with adjustable temperature of claim 1, characterized in that: the connecting rod is hollow, and is provided with the heating resistor silk in the heating element, and the circuit of heating resistor silk passes the connecting rod.

5. The boiler feed water nozzle with adjustable temperature of claim 1, characterized in that: and a water spraying hole is fixedly arranged at the bottom end of the shell.

6. The boiler feed water nozzle with adjustable temperature of claim 1, characterized in that: the supercharging blades are fan-shaped, each group of supercharging blades is six, and the six supercharging blades in each group are distributed annularly.

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