CN222165764U - Portable heater - Google Patents
Portable heater Download PDFInfo
- Publication number
- CN222165764U CN222165764U CN202323645900.5U CN202323645900U CN222165764U CN 222165764 U CN222165764 U CN 222165764U CN 202323645900 U CN202323645900 U CN 202323645900U CN 222165764 U CN222165764 U CN 222165764U
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- pipe
- outer side
- liquid mixing
- inlet pipe
- air inlet
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- 238000002156 mixing Methods 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000009413 insulation Methods 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 235000011121 sodium hydroxide Nutrition 0.000 abstract description 7
- 238000009834 vaporization Methods 0.000 abstract description 6
- 230000008016 vaporization Effects 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 description 20
- 239000003513 alkali Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003518 caustics Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of direct heat exchange equipment, in particular to a portable heater which comprises an air inlet pipe, a gas-liquid mixing pipe and a jacket. The utility model has reasonable and compact structure and convenient use, and can throttle and reduce the pressure of steam through the air inlet pipe with the inner diameter decreasing from right to left in sequence, so that the outflow speed of the steam is far greater than the inflow speed, thereby forming negative pressure at the right part of the gas-liquid mixing pipe, sucking cold water into the gas-liquid mixing pipe from the jacket, mixing the cold water with the steam, leading the steam to give out latent heat of vaporization to condense into water, leading the cold water to absorb the latent heat of vaporization to heat up, and being quickly and efficiently heated into hot water, thereby ensuring that a caustic soda flake production workshop still has sufficient hot water to clean caustic soda on production equipment and in pipelines during shutdown and overhaul, and the utility model has the characteristics of safety, labor saving, simplicity and high efficiency.
Description
Technical Field
The utility model relates to the technical field of direct heat exchange equipment, in particular to a portable heater.
Background
At present, molten salt is generally adopted as a liquid alkali heat source in the domestic chlor-alkali industry for heat exchange, the concentration of alkali liquor is concentrated from 62% to 98% by heating a falling film pipe of a final concentrator by the molten salt, and finally, caustic soda flakes (namely sodium hydroxide) are produced by cooling by a caustic soda flake machine. The molten salt furnace heats the molten salt through natural gas, the molten salt is stored in the molten salt tank, and the molten salt circulates among the molten salt tank, the molten salt furnace and the final concentrator through the molten salt circulating pump. The molten salt tank is usually positioned at the lowest point of the molten salt circulating system, so that after the molten salt circulating pump is stopped, molten salt in the circulating system can flow back into the molten salt tank from a high place under the action of gravity.
When local stop fixed inspection or complete machine stop large maintenance occurs in the production process, the molten salt furnace is shut down, and hot water supply in the production workshop is stopped. At this time, the molten salt and 98% alkali liquor can be continuously separated out to crystallize along with the temperature reduction, and in addition, alkali accumulation can be carried out on the caustic soda flake machine in the production process due to the water absorption of caustic soda flakes. The solubility of the caustic soda flakes and the molten salt after cooling generally increases with the increase of temperature, so that the caustic soda flakes in the pipeline and on the production equipment can be removed rapidly and effectively by using hot water.
Therefore, the existing alkali production equipment has the defect that in the process of stopping and cleaning alkali in a pipeline and on production equipment, because a molten salt furnace is shut down, on-site operators lack a device capable of rapidly generating hot water.
Disclosure of Invention
The utility model provides a portable heater, which overcomes the defects of the prior art, and can effectively solve the problem that in the existing process of alkali accumulation in a shutdown cleaning pipeline and production equipment, a field operator lacks a device capable of rapidly generating hot water due to the shutdown of a molten salt furnace.
The portable heater comprises an air inlet pipe, a gas-liquid mixing pipe and a jacket, wherein the inner diameter of the air inlet pipe is sequentially reduced from right to left, the jacket capable of containing cold water is fixedly arranged on the outer side of the middle of the air inlet pipe, the left end of the jacket is aligned with the left end of the air inlet pipe, the left end of the jacket is fixedly communicated with the right end of the gas-liquid mixing pipe, an overflow gap capable of sucking cold water in the jacket into the gas-liquid mixing pipe is formed between the inner side of the right end of the gas-liquid mixing pipe and the outer side of the left end of the air inlet pipe, and a water inlet pipe is fixedly communicated with the upper side of the right part of the jacket.
The following are further optimizations and/or improvements to the above-described inventive solution:
The inside of the left part of the gas-liquid mixing pipe can be provided with a mixing part capable of accelerating the mixing speed of steam and cold water, the mixing part can comprise a fixed ring, a transverse support, a support shaft and a mixing impeller, the inside of the left end of the gas-liquid mixing pipe is provided with an inner annular groove, the inner annular groove is internally provided with the fixed ring, the transverse support is fixedly arranged on the inside of the fixed ring along the diameter direction, the right side of the middle part of the transverse support is fixedly provided with the support shaft with the axis coincident with the axis of the gas-liquid mixing pipe, and the outside of the right part of the support shaft is provided with at least one mixing impeller capable of rotating by means of steam driving.
The jacket can comprise a right end plate, a round pipe section and a taper pipe section, wherein the right end plate is fixedly arranged on the outer side of the middle part of the air inlet pipe, the round pipe section with the left end positioned on the right of the gas-liquid mixing pipe is connected to the outer side of the right end plate in a threaded manner, the upper side of the right part of the round pipe section is fixedly communicated with the lower end of the water inlet pipe, and the taper pipe section which is small left and big right is fixedly arranged between the left end of the round pipe section and the right end of the gas-liquid mixing pipe.
The air inlet pipe can be in a conical pipe shape with a small left side and a large right side, the left end of the air inlet pipe can be fixedly provided with an air outlet pipe which can be sleeved in the air-liquid mixing pipe, and an overflow annulus which can enable cold water to flow is formed between the outer side of the air outlet pipe and the inner side of the air-liquid mixing pipe.
The outer side of the right end of the air inlet pipe can be provided with a right connecting flange, the outer side of the air inlet pipe corresponding to the position between the right connecting flange and the right end of the jacket is provided with a heat insulation layer, the outer side of the left end of the gas-liquid mixing pipe can be provided with a left connecting flange, the outer sides of the gas-liquid mixing pipe and the left end of the jacket are provided with heat insulation layers, and the outer side of the upper end of the water inlet pipe can be provided with an upper connecting flange.
The middle part of the jacket to the lower side of the right part can be provided with a hand-held part.
The utility model has reasonable and compact structure and convenient use, and can throttle and reduce the pressure of steam through the air inlet pipe with the inner diameter decreasing from right to left in sequence, so that the outflow speed of the steam is far greater than the inflow speed, thereby forming negative pressure at the right part of the gas-liquid mixing pipe, sucking cold water into the gas-liquid mixing pipe from the jacket, mixing the cold water with the steam, leading the steam to give out latent heat of vaporization to condense into water, leading the cold water to absorb the latent heat of vaporization to heat up, and being quickly and efficiently heated into hot water, thereby ensuring that a caustic soda flake production workshop still has sufficient hot water to clean caustic soda on production equipment and in pipelines during shutdown and overhaul, and the utility model has the characteristics of safety, labor saving, simplicity and high efficiency.
Drawings
FIG. 1 is a schematic view of the structure of embodiments 1-6 of the present utility model in front view, partially in section.
The coding in the drawing is that 1 is an air inlet pipe, 2 is a gas-liquid mixing pipe, 3 is an overcurrent gap, 4 is an inlet pipe, 5 is a fixed ring, 6 is a transverse strut, 7 is a fulcrum shaft, 8 is a mixing impeller, 9 is a right end plate, 10 is a circular pipe section, 11 is a taper pipe section, 12 is an air outlet pipe, 13 is an overcurrent annular space, 14 is a right connecting flange, 15 is a heat insulation layer, 16 is a left connecting flange, 17 is a heat insulation layer, 18 is an upper connecting flange, 19 is a handheld part and 20 is a sealing gasket.
Detailed Description
The present utility model is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present utility model.
In the present utility model, for convenience of description, the description of the relative positional relationship of each component is described according to the layout form of fig. 1 of the specification, for example, the positional relationship of front, rear, upper, lower, left, right, etc. is determined according to the layout direction of the drawing of the specification.
The utility model is further described below with reference to examples and figures:
Embodiment 1 As shown in figure 1, the portable heater comprises an air inlet pipe 1, a gas-liquid mixing pipe 2 and a jacket, wherein the inner diameter of the air inlet pipe 1 is sequentially reduced from right to left, the jacket capable of containing cold water is fixedly arranged on the outer side of the middle part of the air inlet pipe 1, the left end of the jacket is aligned with the left end of the air inlet pipe 1, the left end of the jacket is fixedly communicated with the right end of the gas-liquid mixing pipe 2, an overflow gap 3 capable of sucking cold water in the jacket into the gas-liquid mixing pipe 2 is formed between the inner side of the right end of the gas-liquid mixing pipe 2 and the outer side of the left end of the air inlet pipe 1, and a water inlet pipe 4 is fixedly communicated with the upper side of the right part of the jacket.
In the use process, the structure that the inner diameter of the right end of the air inlet pipe 1 is large and the inner diameter of the left end is small is similar to that of a nozzle in the prior art, therefore, when steam in the air inlet pipe 1 flows into the air-liquid mixing pipe 2 from right to left, after the steam is subjected to the throttling effect of the air inlet pipe 1, the pressure is reduced and the flow rate is increased after the steam is sprayed out of the air inlet pipe 1, so that the speed of the steam flowing out of the air inlet pipe 1 is far greater than that of the air inlet pipe 1, the steam can be sprayed out of the left end of the air inlet pipe 1, the outflow speed of the air in the air-liquid mixing pipe 2 is increased, the right end of the air-liquid mixing pipe 2 is communicated with a jacket, the air inlet cannot be supplemented, the vacuum degree at the right part of the air-liquid mixing pipe 2 is increased, negative pressure is formed, cold water in the jacket is continuously sucked into the air-liquid mixing pipe 2 through an overcurrent gap 3, the cold water is mixed with the steam, the steam is vaporized and condensed into water, the cold water is absorbed and vaporized, the latent heat is heated, the cold water is changed into hot water, and flows out of the left end of the air mixing pipe 2, the air can be collected through a hot water tank according to the actual requirement, the time, the latent heat can be directly communicated with a spray gun, and the alkali on a caustic production device and a pipeline can be washed. According to the requirements, the steam in the air inlet pipe 1 can be realized by a steam generator in the prior art, and can also be sourced from a thermal power plant for producing chlor-alkali.
The portable heater can be further optimized or/and improved according to actual needs:
In the embodiment 2, as shown in the attached figure 1, a mixing part capable of accelerating the mixing speed of steam and cold water is arranged on the inner side of the left part of the gas-liquid mixing pipe 2, the mixing part comprises a fixed ring 5, a transverse strut 6, a support shaft 7 and a mixing impeller 8, an inner annular groove is arranged on the inner side of the left end of the gas-liquid mixing pipe 2, the fixed ring 5 is arranged in the inner annular groove, the transverse strut 6 is fixedly arranged on the inner side of the fixed ring 5 along the diameter direction, the support shaft 7 with the axis coincident with the axis of the gas-liquid mixing pipe 2 is fixedly arranged on the right side of the middle part of the transverse strut 6, and at least one mixing impeller 8 capable of rotating by means of steam driving is arranged on the outer side of the right part of the support shaft 7.
During the use, when steam and cold water flow through mixing impeller 8, can drive mixing impeller 8 rotatory, make and form a large amount of eddies between steam and the cold water to accelerate the mixing speed of steam and cold water, make steam and cold water mixed more even, thereby improve the steam and release latent heat of vaporization condensation water, cold water absorption latent heat of vaporization intensifies into hot work efficiency.
According to the requirement, the fixing ring 5 can be tightly pressed by the connecting end of a pipeline or equipment connected with the gas-liquid mixing pipe 2 and the sealing gasket 20, and two semi-arc-shaped overflow holes can be formed between the transverse support 6 and the fixing ring 5, so that hot water flows out of the gas-liquid mixing pipe 2, and the support shaft 7 and the transverse support 6 can be fixedly installed in a threaded fastener or a threaded connection or riveting or welding mode.
Embodiment 3 As shown in figure 1, the jacket comprises a right end plate 9, a round tube section 10 and a taper tube section 11, wherein the right end plate 9 is fixedly arranged on the outer side of the middle part of the air inlet tube 1, the round tube section 10 with the left end positioned on the right side of the air-liquid mixing tube 2 is in threaded connection on the outer side of the right end plate 9, the upper side of the right part of the round tube section 10 is fixedly communicated with the lower end of the water inlet tube 4, and the taper tube section 11 with the left small right big shape is fixedly arranged between the left end of the round tube section 10 and the right end of the air-liquid mixing tube 2.
By means of the arrangement, the right end plate 9 which is detachably arranged can be used for quickly replacing and maintaining the air inlet pipe 1, a cold water accommodating cavity is formed between the inner side of the right end plate 9 and the circular pipe section 10 and the outer side of the air inlet pipe 1, enough cold water can be stored in the jacket, a left small right large-shaped overflow gap 3 can be formed between the conical pipe section 11 and the air inlet pipe 1, meanwhile, a diversion effect is formed on the cold water, the cold water is guided to enter the air-liquid mixing pipe 2 more quickly, and mixing with steam is completed.
In example 4, as shown in figure 1, the air inlet pipe 1 is in a conical pipe shape with a small left side and a large right side, the air outlet pipe 12 which can be sleeved in the gas-liquid mixing pipe 2 is fixedly arranged at the left end of the air inlet pipe 1, and an overflow annulus 13 which can enable cold water to flow is formed between the outer side of the air outlet pipe 12 and the inner side of the gas-liquid mixing pipe 2.
By the arrangement, on the premise that the inner cavity of the air inlet pipe 1 is still a conical cavity with small left and large right, the wall thickness of the air inlet pipe 1 is more uniform, the heat transfer efficiency between steam and cold water is further effectively improved, so that the cold water in a jacket is primarily heated in the process that the steam flows through the air inlet pipe 1, the outer conical air inlet pipe 1 can conduct flow guiding to the cold water in an outer sleeve, the cold water in the jacket can flow into the gas-liquid mixing pipe 2 more quickly through the overflow gap 3, and under the action of a narrow slit-shaped overflow annular space 13, the negative pressure in the gas-liquid mixing pipe 2 can better suck the cold water in the jacket into the gas-liquid mixing pipe 2 to be quickly mixed with the steam.
In the embodiment 5, as shown in fig. 1, a right connecting flange 14 is arranged on the outer side of the right end of the air inlet pipe 1, a heat insulation layer 15 is arranged on the outer side of the air inlet pipe 1 corresponding to the position between the right connecting flange 14 and the right end of the jacket, a left connecting flange 16 is arranged on the outer side of the left end of the air-liquid mixing pipe 2, a heat insulation layer 17 is arranged on the outer side of the air-liquid mixing pipe 2 and the outer side of the left end of the jacket, and an upper connecting flange 18 is arranged on the outer side of the upper end of the water inlet pipe 4.
Through the arrangement, the air inlet pipe 1, the water inlet pipe 4 and the gas-liquid mixing pipe 2 are more convenient to fixedly communicate with other pipelines through the connecting flange, the heat insulation layer 15 can effectively prevent operators from being scalded by the high temperature of the air inlet pipe 1, can greatly reduce the loss of steam heat, and the heat insulation layer 17 can reduce the heat loss in the gas-liquid mixing pipe 2, so that cold water can maximally absorb the heat in the steam and continuously insulate the mixed hot water.
Example 6 As shown in figure 1, the middle part of the jacket is provided with a hand-held part 19 to the lower right side.
The hand-held part 19 is more convenient for controlling the device and carrying the device, and the hand-held part 19 can be realized by a U-shaped or rod-shaped or L-shaped handle, a handle or a folding handle and the like according to the requirements.
The technical characteristics form the embodiment of the utility model, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (10)
1. The portable heater is characterized by comprising an air inlet pipe, a gas-liquid mixing pipe and a jacket, wherein the inner diameter of the air inlet pipe is sequentially reduced from right to left, the jacket capable of containing cold water is fixedly arranged on the outer side of the middle part of the air inlet pipe, the left end of the jacket is aligned with the left end of the air inlet pipe, the left end of the jacket is fixedly communicated with the right end of the gas-liquid mixing pipe, an overflow gap capable of sucking cold water in the jacket into the gas-liquid mixing pipe is formed between the inner side of the right end of the gas-liquid mixing pipe and the outer side of the left end of the air inlet pipe, and a water inlet pipe is fixedly communicated with the upper side of the right part of the jacket.
2. The portable heater according to claim 1, wherein the mixing part capable of accelerating the mixing speed of the steam and the cold water is arranged on the inner side of the left part of the gas-liquid mixing pipe, the mixing part comprises a fixed ring, a transverse support, a support shaft and a mixing impeller, an inner annular groove is arranged on the inner side of the left end of the gas-liquid mixing pipe, the fixed ring is arranged in the inner annular groove, the transverse support is fixedly arranged on the inner side of the fixed ring in the diameter direction, the support shaft with the axis coincident with the axis of the gas-liquid mixing pipe is fixedly arranged on the right side of the middle part of the transverse support, and at least one mixing impeller capable of rotating by means of steam driving is arranged on the outer side of the right part of the support shaft.
3. The portable heater according to claim 1 or 2, wherein the jacket comprises a right end plate, a circular pipe section and a taper pipe section, the right end plate is fixedly arranged on the outer side of the middle part of the air inlet pipe, the circular pipe section with the left end positioned on the right of the gas-liquid mixing pipe is in threaded connection on the outer side of the right end plate, the upper side of the right part of the circular pipe section is fixedly communicated with the lower end of the water inlet pipe, and the taper pipe section with the left small right large shape is fixedly arranged between the left end of the circular pipe section and the right end of the gas-liquid mixing pipe.
4. The portable heater according to claim 1 or 2, wherein the air inlet pipe is in a tapered pipe shape with a small left side and a large right side, the air outlet pipe which can be sleeved in the gas-liquid mixing pipe is fixedly arranged at the left end of the air inlet pipe, and a through-flow annulus which can enable cold water to flow is formed between the outer side of the air outlet pipe and the inner side of the gas-liquid mixing pipe.
5. The portable heater according to claim 3, wherein the air inlet pipe is in a tapered pipe shape with a small left and a large right, the air outlet pipe which can be sleeved in the gas-liquid mixing pipe is fixedly arranged at the left end of the air inlet pipe, and a through-flow annulus which can enable cold water to flow is formed between the outer side of the air outlet pipe and the inner side of the gas-liquid mixing pipe.
6. The portable heater according to claim 1, 2 or 5, wherein a right connecting flange is arranged on the outer side of the right end of the air inlet pipe, a heat insulation layer is arranged on the outer side of the air inlet pipe corresponding to the position between the right connecting flange and the right end of the jacket, a left connecting flange is arranged on the outer side of the left end of the gas-liquid mixing pipe, a heat insulation layer is arranged on the outer side of the gas-liquid mixing pipe and the outer side of the left end of the jacket, and an upper connecting flange is arranged on the outer side of the upper end of the water inlet pipe.
7. The portable heater according to claim 3, wherein a right connecting flange is arranged on the outer side of the right end of the air inlet pipe, a heat insulation layer is arranged on the outer side of the air inlet pipe corresponding to the position between the right connecting flange and the right end of the jacket, a left connecting flange is arranged on the outer side of the left end of the air-liquid mixing pipe, a heat insulation layer is arranged on the outer side of the air-liquid mixing pipe and the outer side of the left end of the jacket, and an upper connecting flange is arranged on the outer side of the upper end of the water inlet pipe.
8. The portable heater according to claim 4, wherein a right connecting flange is arranged on the outer side of the right end of the air inlet pipe, a heat insulation layer is arranged on the outer side of the air inlet pipe corresponding to the position between the right connecting flange and the right end of the jacket, a left connecting flange is arranged on the outer side of the left end of the air-liquid mixing pipe, a heat insulation layer is arranged on the outer side of the air-liquid mixing pipe and the outer side of the left end of the jacket, and an upper connecting flange is arranged on the outer side of the upper end of the water inlet pipe.
9. The portable heater according to claim 1 or 2 or 5 or 7 or 8, wherein a hand-held portion is provided from the middle portion to the lower right side of the jacket.
10. The portable heater according to claim 6, wherein the grip is provided from the middle to the lower right side of the jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323645900.5U CN222165764U (en) | 2023-12-29 | 2023-12-29 | Portable heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323645900.5U CN222165764U (en) | 2023-12-29 | 2023-12-29 | Portable heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222165764U true CN222165764U (en) | 2024-12-13 |
Family
ID=93781148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323645900.5U Active CN222165764U (en) | 2023-12-29 | 2023-12-29 | Portable heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222165764U (en) |
-
2023
- 2023-12-29 CN CN202323645900.5U patent/CN222165764U/en active Active
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