CN114380267B - Heating warm-keeping skid-mounted equipment with hot air circulation and air circulation method - Google Patents
Heating warm-keeping skid-mounted equipment with hot air circulation and air circulation method Download PDFInfo
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- CN114380267B CN114380267B CN202111477303.9A CN202111477303A CN114380267B CN 114380267 B CN114380267 B CN 114380267B CN 202111477303 A CN202111477303 A CN 202111477303A CN 114380267 B CN114380267 B CN 114380267B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 53
- 238000004804 winding Methods 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims description 39
- 238000009826 distribution Methods 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 29
- 238000004321 preservation Methods 0.000 claims description 28
- 238000005096 rolling process Methods 0.000 claims description 21
- 239000010985 leather Substances 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 18
- 238000005728 strengthening Methods 0.000 claims description 13
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
- B65D88/744—Large containers having means for heating, cooling, aerating or other conditioning of contents heating or cooling through the walls or internal parts of the container, e.g. circulation of fluid inside the walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/80—Arrangements of heating or cooling devices for liquids to be transferred
- B67D7/82—Heating only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Warming Or Keeping Food Or Tableware Hot (AREA)
Abstract
The invention discloses heating warm-keeping type skid-mounted equipment with hot air circulation and an air circulation method, wherein the skid-mounted equipment comprises a frame base, a tank body, an energy filling machine, a control cabinet and a pipeline system, wherein a warm-keeping chamber is arranged at the front side part of the frame base, and one part of the front end of the tank body is connected with the wall of the warm-keeping chamber and enters the warm-keeping chamber; an electric tracing band is wound on the outer circle of the tank body to form an electric tracing band winding layer, a heat insulation shell is arranged on the periphery of the electric tracing band winding layer, and an annular hot air flow circulation cavity is formed between the heat insulation shell and the electric tracing band winding layer; the lower part of the wall of the warm-keeping chamber connected with the tank body is provided with a first axial flow fan, the upper part of the wall of the warm-keeping chamber is provided with a second axial flow fan, an air duct of the first axial flow fan is connected between the annular hot air circulation cavity and the warm-keeping chamber, and an air duct of the second axial flow fan is connected between the annular hot air circulation cavity and the warm-keeping chamber. The invention ensures the normal use of skid-mounted equipment in severe cold environment.
Description
Technical Field
The invention relates to the technical field of skid-mounted equipment, in particular to heating and warm-keeping type skid-mounted equipment with hot air circulation and an air circulation method.
Background
Skid-mounted equipment is widely applied to the industrial fields of energy supply and the like. According to different use occasions, skid-mounted equipment can be divided into skid-mounted oiling equipment, skid-mounted liquefied gas filling equipment, skid-mounted liquid hydrogen hydrogenation equipment, skid-mounted liquid chemical equipment and the like.
Skid-mounted equipment is generally composed of a movable frame base, an energy storage tank and an energy filling machine which are arranged on the frame base, a frame platform which is arranged above the energy storage tank and the energy filling machine and connected with the frame base, and other parts, wherein containers (equipment), pipelines, valves, meters, electricity and the like are assembled on the frame base with a steel structure in a concentrated manner to form an integrated ground movable energy filling station, and the skid-mounted equipment is suitable for energy use requirements of places such as bus stops, ports, wharfs, airports, large construction sites, factory interiors and temporary operation sites.
When the existing skid-mounted equipment, such as an explosion-proof blocking skid-mounted oiling device, is used in certain extremely cold regions, the normal use of the skid-mounted equipment is affected due to the fact that the temperature of oil products in the skid-mounted tank and the temperature of oil products in the pipeline are too low, so that aiming at the defect, a skid-mounted equipment heat preservation facility and a heat preservation technology suitable for severe cold use environments are needed to be developed.
Disclosure of Invention
In order to solve the problems, the invention provides heating and warm-keeping type skid-mounted equipment with hot air circulation and an air circulation method, which aim to ensure the normal use of the skid-mounted equipment in a severe cold environment. The specific technical scheme is as follows:
the utility model provides a take heating cold-proof formula skid-mounted equipment of hot air current circulation, includes the frame base, sets up jar body on the frame base, set up energy filling machine on the frame base, set up switch board on the frame base, connect the jar body with the pipe-line system between the energy filling machine, the jar body is arranged the back lateral part on the frame base, the front lateral part on the frame base is provided with a warm keeping room, the front end part of jar body with the chamber wall in warm keeping room is connected and gets into in the warm keeping room, energy filling machine, switch board are arranged in the warm keeping room, be provided with the rolling slats door on the warm keeping room; an electric heat tracing band is wound on the outer circle of the tank body to form an electric heat tracing band winding layer, a heat insulation shell is arranged on the periphery of the electric heat tracing band winding layer, and an annular hot air flow circulation cavity is formed between the heat insulation shell and the electric heat tracing band winding layer; the thermal insulation device comprises a tank body, a thermal insulation chamber wall, a first axial flow fan, a second axial flow fan, an air channel of the first axial flow fan, an annular hot air circulation cavity and a thermal insulation chamber, wherein the thermal insulation chamber wall is connected with the tank body, the first axial flow fan is arranged at the lower part of the thermal insulation chamber wall, the second axial flow fan is arranged at the upper part of the thermal insulation chamber wall connected with the tank body, the air channel of the first axial flow fan is connected between the annular hot air circulation cavity and the thermal insulation chamber, and the air channel of the second axial flow fan is connected between the annular hot air circulation cavity and the thermal insulation chamber.
Preferably, an air duct air outlet of the first axial flow fan is communicated with the warmth retention chamber, and an air duct air inlet of the first axial flow fan is communicated with the lower part of the annular hot air flow circulation cavity; the air duct air inlet of the second axial flow fan is communicated with the warmth retention chamber, and the air duct air outlet of the second axial flow fan is communicated with the upper part of the annular hot air flow circulation cavity.
As a further improvement of the invention, the annular hot air circulation cavity is vertically separated by the half plate at the middle position to respectively form a hot air circulation upper cavity and a hot air circulation lower cavity, and the hot air circulation upper cavity and the hot air circulation lower cavity are mutually communicated at the rear part of the cavity through a cavity tail connecting pipeline to form hot air circulation among the hot air circulation upper cavity, the hot air circulation lower cavity and the thermal insulation chamber.
In the invention, a hot air flow distribution chamber is formed between the hot air flow distribution porous partition board and the bottom board of the warm keeping chamber through the hot air flow distribution porous partition board at the lower part of the warm keeping chamber, and a hot air flow recovery chamber is formed between the hot air flow recovery porous partition board and the top board of the warm keeping chamber through the hot air flow recovery porous partition board at the upper part of the warm keeping chamber.
Preferably, the porous separator is densely provided with micro-perforations for passing hot air.
Preferably, the distribution density of micro perforations on the porous partition plate near the rolling shutter door can be properly increased to adjust the heat distribution in the warmth retention chamber, so as to prevent the local temperature at the position close to the rolling shutter door from being too low.
As a further improvement of the invention, a plurality of pairs of hot air distribution and recovery local strengthening heat preservation treatment pipe groups for carrying out fixed-point air flow circulation on the appointed position in the heat preservation chamber are arranged between the hot air distribution chamber and the hot air recovery chamber, each pair of hot air distribution and recovery local strengthening heat preservation treatment pipe groups comprises a freely bendable overhanging type first metal corrugated pipe connected with the hot air distribution chamber and used for outputting hot air, and a freely bendable overhanging type second metal corrugated pipe connected with the hot air recovery chamber and used for recovering the hot air, and a hot air output port of the first metal corrugated pipe and a hot air recovery port of the second metal corrugated pipe are respectively arranged at two sides of the appointed position in the heat preservation chamber.
Preferably, the hot air flow output flux of the first metal corrugated pipe is larger than that of a single hole on the hot air flow distribution porous partition plate; the hot air flow output flux of the second metal corrugated pipe is larger than the hot air flow recovery flux of a single hole on the hot air flow recovery porous partition plate.
The appointed parts in the warmth retention chamber comprise valve parts of a pipeline system and other easily frozen parts in a severe cold environment.
In order to strengthen the heat preservation effect of key parts (such as a valve and the like) of the heat preservation indoor equipment, the further improvement scheme is as follows: the hot air flow outlet of the first metal corrugated pipe is connected with a first leather cup for preventing hot air flow from being dispersed, the hot air flow outlet of the second metal corrugated pipe is connected with a second leather cup for preventing hot air flow from being dispersed, and the bowl mouth of the first leather cup and the bowl mouth of the second leather cup are mutually close to each other at two sides of the valve part so as to form a hot air flow guiding and heat insulation space for the appointed part.
In the invention, one part of the pipeline system of the skid-mounted equipment is positioned in the annular hot air circulation cavity, and the other part of the pipeline passes through the wall of the thermal insulation chamber and then is positioned in the thermal insulation chamber.
In order to improve the energy-saving effect, the first axial flow fan and the second axial flow fan are both variable frequency axial flow fans, a shutter door opening sensor is arranged on the shutter door, and the shutter door opening sensor is an infrared ranging sensor arranged at the lower part of the shutter door; the opening of the rolling door is related to the rotating speed of the variable-frequency axial flow fan.
Specifically, when the opening sensor of the rolling shutter door detects that the opening of the rolling shutter door is increased, the rotating speed of the variable-frequency axial flow fan is increased; when the opening of the rolling shutter door is measured to be reduced by the opening sensor of the rolling shutter door, the rotating speed of the variable-frequency axial flow fan is reduced; when the shutter door opening sensor detects that the shutter door is in a closed state, the rotating speed of the variable-frequency axial flow fan is reduced to low-speed operation.
Preferably, the skid-mounted equipment is oiling skid-mounted equipment, and the energy filling machine is an oiling machine.
In the invention, the heat insulation shell is provided with the avoidance hole for avoiding the local convex part (such as a manhole seat, a liquid level tube seat, a vent tube seat and the like) on the tank body.
In the invention, the electric tracing band is a self-limiting temperature electric tracing band.
A hot air flow circulation method of heating warm-keeping skid-mounted equipment with hot air flow circulation comprises the following steps:
(1) Electric tracing is started: the electric tracing band is electrically heated and transfers heat to the tank body, so that the thermal insulation effect on the tank body is achieved;
(2) Hot air circulation: the first axial flow fan and the second axial flow fan are simultaneously started, air in the annular hot air flow circulation cavity is heated by the electric tracing band to become hot air, and the hot air is circulated among the hot air flow circulation lower cavity, the hot air flow distribution chamber, the heat preservation chamber, the hot air flow recovery chamber, the hot air flow circulation upper cavity and the cavity tail connecting pipeline in sequence, so that hot air flow circulation for heat preservation of the energy filling machine and the control cabinet in the heat preservation chamber is formed;
wherein, the valve part in the warmth retention chamber carries out the strengthening warmth retention treatment by distributing and recycling the local strengthening warmth retention treatment tube group through hot air flow; the reinforced thermal insulation treatment comprises the steps of distributing and recycling the hot air flow to locally reinforce the thermal insulation treatment tube group, wherein the bowl opening of the first leather cup and the bowl opening of the second leather cup are mutually close to each other at two sides of the valve part, so that a hot air flow diversion thermal insulation space for the valve part is formed.
The beneficial effects of the invention are as follows:
firstly, according to the heating and heat-preserving skid-mounted equipment with the hot air circulation and the air circulation method, the tank body part is heated and preserved by using the electric tracing band, the heat insulation shell is arranged outside the winding layer of the electric tracing band, the annular hot air circulation cavity is formed by the heat insulation shell and the circulating fan, and auxiliary equipment in a heat preservation room is preserved by hot air circulation, so that the heating and heat-preserving skid-mounted equipment has the advantages of small heat energy loss and good energy-saving effect.
Secondly, the heating thermal type skid-mounted equipment with the hot air circulation and the air circulation method provided by the invention use the electric tracing band as a heat source for hot air circulation, so that overheat phenomenon is not formed, and the safety and the reliability are good.
Third, according to the heating thermal insulation type skid-mounted equipment with hot air circulation and the air circulation method, a plurality of pairs of hot air distribution and recovery local strengthening thermal insulation treatment pipe groups for carrying out fixed-point air circulation on the designated parts in the thermal insulation chamber are arranged between the hot air distribution chamber and the hot air recovery chamber, special thermal insulation treatment is carried out on key parts of the equipment, and hot air is optimally distributed to the easily-frozen parts of the skid-mounted equipment, so that the normal operation of the skid-mounted equipment is ensured, and the skid-mounted equipment is more energy-saving.
Fourth, the heating thermal insulation type skid-mounted equipment with the hot air flow circulation and the air flow circulation method provided by the invention have the advantages that the hot air flow distribution and recovery part strengthens the flexible hose with the overhanging structure for the metal bellows in the thermal insulation treatment tube group, so that on one hand, the thermal insulation of key positions is facilitated, on the other hand, the metal bellows can be shifted, the maintenance of the key positions is greatly facilitated, and the defect of difficult maintenance caused by the adoption of conventional thermal insulation measures for the key positions such as valves in the prior art is overcome.
Fifth, according to the heating and warm-keeping type skid-mounted equipment with the hot air circulation and the air circulation method, a plurality of hot air distribution and recovery local strengthening heat preservation treatment pipe groups can be correspondingly arranged in a warm-keeping room aiming at each key warm-keeping part, each key local area forms local strengthening hot air by using a pair of leather cups, so that the hot air is high in temperature in the key local area and relatively low in temperature in non-key areas, and the non-uniform configuration of the hot air in the warm-keeping room is beneficial to achieving the warm keeping and energy saving effects.
Drawings
FIG. 1 is a schematic diagram of a heating and warming skid-mounted device with hot air circulation (oiling skid-mounted device in the figure);
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a top view of FIG. 1 (metal bellows portion not shown);
FIG. 4 is a cross-sectional view of the tank portion of FIG. 1;
fig. 5 is a schematic view of a structure in which a shutter door opening sensor is provided in a shutter door.
In the figure: 1. the device comprises a frame base, 2, a tank body, 3, an energy filling machine, 4, a control cabinet, 5, a pipeline system, 6, a heat preservation chamber, 7, a roller shutter door, 8, an electric tracing band, 9, an electric tracing band winding layer, 10, a heat insulation shell, 11 and an annular hot air circulation cavity; 12. the device comprises a first axial-flow fan, 13, a second axial-flow fan, 14, a half plate, 15, a hot air flow circulation upper cavity, 16, a hot air flow circulation lower cavity, 17, a cavity tail connecting pipeline, 18, a hot air flow distribution porous partition plate, 19, a bottom plate, 20, a hot air flow distribution chamber, 21, a hot air flow recovery porous partition plate, 22, a top plate, 23, a hot air flow recovery chamber, 24, a designated part (a valve part and a freezing prone part), 25, a first metal corrugated pipe, 26, a second metal corrugated pipe, 27, a first leather cup, 28, a second leather cup, 29, a pipeline, 30, a shutter opening sensor, 31 and a avoidance hole.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Example 1:
referring to fig. 1 to 5, an embodiment of a heating and warm-keeping skid-mounted device with hot air circulation according to the present invention includes a frame base 1, a tank 2 disposed on the frame base 1, an energy filling machine 3 disposed on the frame base 1, a control cabinet 4 disposed on the frame base 1, and a pipeline system 5 connected between the tank 2 and the energy filling machine 4, wherein the tank 2 is disposed at a rear side portion on the frame base 1, a warm-keeping chamber 6 is disposed at a front side portion on the frame base 1, a front end portion of the tank 2 is connected with a chamber wall of the warm-keeping chamber 6 and enters the warm-keeping chamber 6, the energy filling machine 3 and the control cabinet 4 are disposed in the warm-keeping chamber 6, and a shutter door 7 is disposed on the warm-keeping chamber 6; an electric heat tracing band 8 is wound on the outer circle of the tank body 2 to form an electric heat tracing band winding layer 9, a heat insulation shell 10 is arranged on the periphery of the electric heat tracing band winding layer 9, and an annular hot air flow circulation cavity 11 is formed between the heat insulation shell 10 and the electric heat tracing band winding layer 9; a first axial-flow fan 12 is arranged at the lower part of the wall of the warm-keeping chamber 6 connected with the tank body 2, a second axial-flow fan 13 is arranged at the upper part of the wall of the warm-keeping chamber 6 connected with the tank body 2, an air duct of the first axial-flow fan 12 is connected between the annular hot air flow circulation cavity 11 and the warm-keeping chamber 6, and an air duct of the second axial-flow fan 13 is connected between the annular hot air flow circulation cavity 11 and the warm-keeping chamber 6.
Preferably, an air duct air outlet of the first axial-flow fan 12 is communicated with the thermal insulation chamber 6, and an air duct air inlet of the first axial-flow fan 12 is communicated with the lower part of the annular hot air flow circulation cavity 11; the air duct air inlet of the second axial flow fan 13 is communicated with the warm-keeping chamber 6, and the air duct air outlet of the second axial flow fan 13 is communicated with the upper part of the annular hot air flow circulation cavity 11.
As a further improvement of the present embodiment, the annular hot air circulation cavity 11 is vertically separated by the half plate 14 at a middle position to form a hot air circulation upper cavity 15 and a hot air circulation lower cavity 16 respectively, and the hot air circulation upper cavity 15 and the hot air circulation lower cavity 16 are mutually communicated at the rear part of the cavity by a cavity tail connecting pipeline 17 to form a hot air circulation among the hot air circulation upper cavity 15, the hot air circulation lower cavity 16 and the thermal insulation chamber 6.
In this embodiment, a hot air flow distribution chamber 20 is formed between the hot air flow distribution porous partition 18 and the bottom plate 19 of the thermal insulation chamber 6 by the hot air flow distribution porous partition 18, and a hot air flow recovery chamber 23 is formed between the hot air flow recovery porous partition 21 and the top plate 22 of the thermal insulation chamber 6 by the hot air flow recovery porous partition 21 on the upper portion of the thermal insulation chamber 6.
Preferably, the porous separators 18, 21 are densely provided with microperforations for the passage of hot air.
Preferably, the distribution density of micro-perforations on the porous partition plate near the rolling door 7 can be appropriately increased to adjust the heat distribution in the heating chamber 6, so as to prevent the local temperature near the rolling door 7 from being too low.
As a further improvement of this embodiment, a plurality of pairs of hot air distribution and recovery local strengthening heat preservation treatment tube groups for carrying out fixed-point air flow circulation on the designated part 24 in the heat preservation chamber 6 are arranged between the hot air distribution chamber 20 and the hot air recovery chamber 23, each pair of hot air distribution and recovery local strengthening heat preservation treatment tube groups comprises a freely bendable overhanging type first metal corrugated tube 25 connected with the hot air distribution chamber 20 and used for outputting hot air, and a freely bendable overhanging type second metal corrugated tube 26 connected with the hot air recovery chamber 23 and used for recovering hot air, and a hot air outlet of the first metal corrugated tube 25 and a hot air recovery port of the second metal corrugated tube 26 are respectively arranged at two sides of the designated part in the heat preservation chamber 6.
Preferably, the hot air flow output of the first metal bellows 25 is greater than that of the single holes on the hot air flow distribution porous partition 18; the hot air flow output flux of the second metal bellows 26 is larger than the hot air flow recovery flux of the single hole on the hot air flow recovery porous partition 21.
Designated portions 24 in the thermal chamber 6 include valve portions of the piping system 5 and other easily frozen portions in a severe cold environment.
In order to strengthen the warm keeping effect of key parts (such as a valve and the like) of equipment in the warm keeping room 6, the further improvement scheme is that: the hot air output port of the first metal bellows 25 is connected with a first leather cup 27 for preventing hot air from diverging, the hot air output port of the second metal bellows 26 is connected with a second leather cup 28 for preventing hot air from diverging, and the mouths of the first leather cup 27 and the second leather cup 28 are close to each other at two sides of the valve part to form a hot air flow guiding and heat insulation space for the appointed part 24.
In this embodiment, a part of the pipeline 29 of the pipeline system 5 of the skid-mounted device is located in the annular hot air flow circulation cavity 11, and the other part of the pipeline is located in the thermal insulation chamber 6 after passing through the wall of the thermal insulation chamber 6.
In order to improve the energy-saving effect, the first axial flow fan 12 and the second axial flow fan 13 are both variable frequency axial flow fans, a shutter door opening sensor 30 is arranged on the shutter door 7, and the shutter door opening sensor 30 is an infrared ranging sensor arranged at the lower part of the shutter door 7; the opening of the rolling shutter door 7 is related to the rotation speed of the variable frequency axial flow fans 12 and 13.
Specifically, when the opening of the rolling shutter door 7 is increased as measured by the rolling shutter door opening sensor 30, the rotational speeds of the variable frequency axial flow fans 12, 13 are increased; when the opening degree of the rolling shutter door 7 is reduced by the rolling shutter door opening degree sensor 30, the rotating speeds of the variable-frequency axial flow fans 12 and 13 are reduced; when the shutter door opening sensor 30 detects that the shutter door 7 is in the closed state, the rotational speed of the variable frequency axial flow fans 12, 13 is reduced to a low speed operation.
Preferably, the skid-mounted device is a refueling skid-mounted device, and the energy source filling machine 3 is a refueling machine.
In this embodiment, the heat insulation housing 10 is provided with a avoidance hole 31 for avoiding a local protruding portion (such as a manhole seat, a liquid level tube seat, a venting tube seat, etc.) on the tank body 2.
In this embodiment, the electric tracing band is a self-temperature-limiting electric tracing band.
Example 2:
a hot air flow circulation method of a heating warm-keeping skid-mounted device with hot air flow circulation of the embodiment 1 comprises the following steps:
(1) Electric tracing is started: the electric tracing band 8 is electrified to heat and transfer heat to the tank body 2, so that the warming effect on the tank body 2 is achieved;
(2) Hot air circulation: the first axial flow fan 12 and the second axial flow fan 13 are simultaneously started, air in the annular hot air flow circulation cavity 11 is heated by the electric tracing band 8 to become hot air, and the hot air is circulated among the hot air flow circulation lower cavity 16, the hot air flow distribution chamber 20, the warm keeping chamber 6, the hot air flow recovery chamber 23, the hot air flow circulation upper cavity 15 and the cavity tail connecting pipeline 17 in sequence, so that hot air flow circulation for heat preservation of the energy filling machine 3 and the control cabinet 4 in the warm keeping chamber 6 is formed;
wherein, the valve part 24 in the thermal insulation chamber 6 carries out the reinforced thermal insulation treatment by distributing and recycling the local reinforced thermal insulation treatment tube group through hot air flow; the heat-insulating enhancement treatment comprises the steps of distributing and recycling the hot air flow to locally strengthen the bowl mouth of the first leather cup 27 and the bowl mouth of the second leather cup 28 on the heat-insulating enhancement treatment tube group to mutually approach at two sides of the valve part 24 so as to form a hot air flow diversion heat-insulating space for the valve part 24.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (7)
1. The heating warm-keeping type skid-mounted equipment with the hot air circulation is characterized by comprising a frame base, a tank body arranged on the frame base, an energy filling machine arranged on the frame base, a control cabinet arranged on the frame base, and a pipeline system connected between the tank body and the energy filling machine, wherein the tank body is arranged at the rear side part on the frame base, a warm-keeping chamber is arranged at the front side part on the frame base, one part of the front end of the tank body is connected with the wall of the warm-keeping chamber and enters the warm-keeping chamber, the energy filling machine and the control cabinet are arranged in the warm-keeping chamber, and a rolling shutter door is arranged on the warm-keeping chamber; an electric heat tracing band is wound on the outer circle of the tank body to form an electric heat tracing band winding layer, a heat insulation shell is arranged on the periphery of the electric heat tracing band winding layer, and an annular hot air flow circulation cavity is formed between the heat insulation shell and the electric heat tracing band winding layer; the annular hot air circulation cavity is vertically separated through a half plate at the middle position to form a hot air circulation upper cavity and a hot air circulation lower cavity respectively, and the hot air circulation upper cavity and the hot air circulation lower cavity are mutually communicated at the rear part of the cavity through a cavity tail connecting pipeline to form hot air circulation among the hot air circulation upper cavity, the hot air circulation lower cavity and the thermal insulation chamber; a first axial flow fan is arranged at the lower part of the wall of the warm keeping chamber connected with the tank body, a second axial flow fan is arranged at the upper part of the wall of the warm keeping chamber connected with the tank body, an air duct of the first axial flow fan is connected between the annular hot air circulation cavity and the warm keeping chamber, and an air duct of the second axial flow fan is connected between the annular hot air circulation cavity and the warm keeping chamber; the air duct air outlet of the first axial flow fan is communicated with the warm-keeping chamber, and the air duct air inlet of the first axial flow fan is communicated with the lower part of the annular hot air flow circulation cavity; the air duct air inlet of the second axial flow fan is communicated with the warmth retention chamber, and the air duct air outlet of the second axial flow fan is communicated with the upper part of the annular hot air flow circulation cavity;
the upper part of the heat preservation chamber forms a hot air flow recovery chamber between the hot air flow recovery porous baffle plate and a top plate of the heat preservation chamber through the hot air flow recovery porous baffle plate; a plurality of pairs of hot air distribution and recovery local strengthening heat preservation treatment pipe groups for carrying out fixed-point air flow circulation on the appointed position in the heat preservation chamber are arranged between the hot air distribution chamber and the hot air recovery chamber, each pair of hot air distribution and recovery local strengthening heat preservation treatment pipe groups comprises a freely bendable overhanging type first metal corrugated pipe connected with the hot air distribution chamber and used for outputting hot air, and a freely bendable overhanging type second metal corrugated pipe connected with the hot air recovery chamber and used for recovering hot air, and a hot air output port of the first metal corrugated pipe and a hot air recovery port of the second metal corrugated pipe are respectively arranged on two sides of the appointed position in the heat preservation chamber; the hot air output port of the first metal corrugated pipe is connected with a first leather cup for preventing hot air from being dispersed, and the hot air output port of the second metal corrugated pipe is connected with a second leather cup for preventing hot air from being dispersed.
2. The heated and warmed skid-mounted apparatus with hot gas flow circulation of claim 1, wherein the hot gas flow output of the first metal bellows is greater than the hot gas flow output of a single aperture in the hot gas flow distribution porous partition; the hot air flow output flux of the second metal corrugated pipe is larger than the hot air flow recovery flux of a single hole on the hot air flow recovery porous partition plate.
3. The heated and warmed skid-mounted apparatus with hot air flow circulation of claim 1, wherein the designated locations within the warm room comprise valve locations of a piping system and other easily frozen locations in a cold environment.
4. The heated and warmed skid-mounted apparatus with hot air flow circulation of claim 3, wherein the bowl opening of the first cup and the bowl opening of the second cup are adjacent to each other on both sides of the valve portion to form a hot air flow guiding and warming space for the designated portion.
5. A heated and thermally insulated skid-mounted apparatus with a circulation of hot gas flow as claimed in claim 3, wherein a portion of the piping system of the skid-mounted apparatus is located within the annular hot gas flow circulation chamber and another portion is located within the thermal chamber after passing through the walls of the thermal chamber.
6. The warm-keeping type skid-mounted device with hot air flow circulation according to claim 5, wherein the first axial flow fan and the second axial flow fan are variable frequency axial flow fans, a rolling shutter door opening sensor is arranged on the rolling shutter door, and the rolling shutter door opening sensor is an infrared ranging sensor arranged at the lower part of the rolling shutter door; the opening of the rolling door is related to the rotating speed of the variable-frequency axial flow fan.
7. A hot air flow circulation method of a heating warm-keeping type skid-mounted device with hot air flow circulation according to any one of claims 1 to 6, comprising the steps of:
(1) Electric tracing is started: the electric tracing band is electrically heated and transfers heat to the tank body, so that the thermal insulation effect on the tank body is achieved;
(2) Hot air circulation: the first axial flow fan and the second axial flow fan are simultaneously started, air in the annular hot air flow circulation cavity is heated by the electric tracing band to become hot air, and the hot air is circulated among the hot air flow circulation lower cavity, the hot air flow distribution chamber, the heat preservation chamber, the hot air flow recovery chamber, the hot air flow circulation upper cavity and the cavity tail connecting pipeline in sequence, so that hot air flow circulation for heat preservation of the energy filling machine and the control cabinet in the heat preservation chamber is formed;
wherein, the valve part in the warmth retention chamber carries out the strengthening warmth retention treatment by distributing and recycling the local strengthening warmth retention treatment tube group through hot air flow; the reinforced thermal insulation treatment comprises the steps of distributing and recycling the hot air flow to locally reinforce the thermal insulation treatment tube group, wherein the bowl opening of the first leather cup and the bowl opening of the second leather cup are mutually close to each other at two sides of the valve part, so that a hot air flow diversion thermal insulation space for the valve part is formed.
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| CN202111477303.9A CN114380267B (en) | 2021-12-06 | 2021-12-06 | Heating warm-keeping skid-mounted equipment with hot air circulation and air circulation method |
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| Publication number | Publication date |
|---|---|
| CN114380267A (en) | 2022-04-22 |
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