CN207595198U - A kind of pipeline for the heating of asphalt tanker pitch - Google Patents
A kind of pipeline for the heating of asphalt tanker pitch Download PDFInfo
- Publication number
- CN207595198U CN207595198U CN201721231422.5U CN201721231422U CN207595198U CN 207595198 U CN207595198 U CN 207595198U CN 201721231422 U CN201721231422 U CN 201721231422U CN 207595198 U CN207595198 U CN 207595198U
- Authority
- CN
- China
- Prior art keywords
- pitch
- valve
- shut
- bitumenpump
- asphalt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model discloses a kind of pipeline for the heating of asphalt tanker pitch, the pipeline includes：First bitumenpump, N number of pitch cabin and the asphalt heater being separately positioned in each pitch cabin；N is greater than or equal to 1；The egress hatch in each pitch cabin is connected respectively by an egress hatch shut-off valve with the input port of first bitumenpump；The entrance hatch in each pitch cabin is connected respectively by an entrance hatch shut-off valve with the delivery outlet of first bitumenpump.The pipeline can make pitch thermally equivalent, and the flowable of pitch is kept during navigation, and can preferably control the heating temperature of pitch, avoid pitch that parallel off occurs due to heating temperature is excessively high, ensure the quality of pitch；It also avoids pitch to solidify due to temperature is too low, ensure that the efficiency of pitch transportation by lighter.
Description
Technical field
The utility model is related to marine engine room engineering fields, and in particular to a kind of pipeline for the heating of asphalt tanker pitch.
Background technology
At present, the mode of asphalt tanker conveying asphalt uses liquid transfer mostly.However, since pitch is with very unique
Physicochemical properties after temperature is less than its flowable temperature, become solid-state；In optimum range, pitch just has only temperature
There is mobility.In the prior art, layer has related insulating layer to pitch out of my cabin, and thermal requirements are：When not heated to pitch cabin, drip
Temperature is dropped by less than 2.5 DEG C in green cabin 24 hours.Before not unloading for pitch, need timing heated that pitch is made to keep suitable temperature
Degree, in suitable viscosity state.Therefore asphalt tanker must heat the pitch not timing of loading during navigation, with dimension
Hold the flowable of pitch.
The existing mode of heating of asphalt tanker is：After pitch is packed into cabin, pass through the deep fat heating dish of bottom setting in pitch cabin
Pipe carries out static heating.In general, in order to provide the rate of heat addition of pitch, the hot oil temperature setting of deep fat heating coil is higher than pitch
Flowable temperature value.Due to pitch poor fluidity, cause pitch uneven heating in cabin even, close to deep fat heating coil region
Pitch overheat, parallel off easily occurs, influences the quality of pitch；Pitch far from deep fat heating coil region is heated deficiency, holds
Solidification is easily led to, influences pitch transportation by lighter, while also consume a large amount of energy.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of pipeline for the heating of asphalt tanker pitch, can make
Pitch thermally equivalent, keeps the flowable of pitch during navigation, and can preferably control the heating temperature of pitch, keeps away
Exempt from pitch and parallel off occurs due to heating temperature is excessively high, ensure the quality of pitch；It also avoids pitch to solidify due to temperature is too low, protect
The efficiency of pitch transportation by lighter is demonstrate,proved.
In order to solve the above technical problems, the utility model embodiment provides a kind of pipe for the heating of asphalt tanker pitch
Road, the pipeline for the heating of asphalt tanker pitch include：First bitumenpump, N number of pitch cabin and it is separately positioned on each institute
State the asphalt heater in pitch cabin；N is greater than or equal to 1；The egress hatch in each pitch cabin passes through an egress hatch respectively
Shut-off valve is connected with the input port of first bitumenpump；The entrance hatch in each pitch cabin is cut respectively by an entrance hatch
Only valve is connected with the delivery outlet of first bitumenpump.
In a kind of optional embodiment, the pipeline further includes the second bitumenpump；The egress hatch in each pitch cabin
It is connected respectively by the corresponding egress hatch shut-off valve with the input port of second bitumenpump；Each pitch cabin into
Hatch is connected respectively by the corresponding entrance hatch shut-off valve with the delivery outlet of second bitumenpump.
In a kind of optional embodiment, the pipeline further includes the first bitumenpump input port shut-off valve and the second bitumenpump
Input port shut-off valve；One end of the first bitumenpump input port shut-off valve and one end of each egress hatch shut-off valve connect
It is logical；The other end of the first bitumenpump input port shut-off valve is connected with the input port of first bitumenpump；Second drip
One end of blueness pump input port shut-off valve is connected with one end of each egress hatch shut-off valve；The second bitumenpump input port is cut
Only the other end of valve is connected with the input port of second bitumenpump.
In a kind of optional embodiment, the pipeline further includes the first bitumenpump delivery outlet shut-off valve and the second bitumenpump
Delivery outlet shut-off valve；One end of the first bitumenpump delivery outlet shut-off valve is connected with the delivery outlet of first bitumenpump；Institute
The other end for stating the first bitumenpump delivery outlet shut-off valve is connected with one end of each entrance hatch shut-off valve；Second pitch
One end of pump delivery outlet shut-off valve is connected with the delivery outlet of second bitumenpump；The second bitumenpump delivery outlet shut-off valve
The other end is connected with one end of each entrance hatch shut-off valve.
In a kind of optional embodiment, the pipeline further includes the first shut-off valve；One end of first shut-off valve with
One end connection of each entrance hatch shut-off valve；The other end of first shut-off valve and the first outside asphalt delivery port connect
It is logical.
In a kind of optional embodiment, the pipeline further includes the second shut-off valve；One end of second shut-off valve with
One end connection of each entrance hatch shut-off valve；The other end of second shut-off valve and the second outside asphalt delivery port connect
It is logical；The first outside asphalt delivery port is located at the both sides of asphalt tanker with the second outside asphalt delivery port respectively.
In a kind of optional embodiment, the asphalt heater is deep fat heating coil；Each deep fat heating dish
Pipe is arranged on the bottom in the corresponding pitch cabin.
In a kind of optional embodiment, the pipeline further include deep fat pipe temperature sensor, asphalt temperature sensor and
Controller；The inlet end and an outlet end of each deep fat heating coil is both provided with the corresponding deep fat pipe temperature sensing
Device；The corresponding asphalt temperature sensor is provided in each pitch cabin；The controller respectively with each heat
Oil pipe temperature sensor and each asphalt temperature sensor electrical connection.
In a kind of optional embodiment, the controller also respectively with first bitumenpump, second bitumenpump
Electrical connection.
In a kind of optional embodiment, the pipeline further includes liquid level sensor；It is provided in each pitch cabin
The corresponding liquid level sensor；The controller is electrically connected respectively with each liquid level sensor.
Compared with the prior art, the advantageous effect of the utility model embodiment is：The utility model embodiment provides
A kind of pipeline for the heating of asphalt tanker pitch, including：First bitumenpump, N number of pitch cabin and it is separately positioned on each institute
State the asphalt heater in pitch cabin；N is greater than or equal to 1；The egress hatch in each pitch cabin passes through an egress hatch respectively
Shut-off valve is connected with the input port of first bitumenpump；The entrance hatch in the pitch cabin passes through an entrance hatch shut-off valve respectively
It is connected with the delivery outlet of first bitumenpump.By more than structure, the utility model can make pitch thermally equivalent, navigate by water
Period keeps the flowable of pitch, and can preferably control the heating temperature of pitch, avoids pitch because of heating temperature mistake
It is high and parallel off occurs, ensure the quality of pitch；It also avoids pitch to solidify due to temperature is too low, ensure that the effect of pitch transportation by lighter
Rate.
Description of the drawings
Fig. 1 is a kind of structure diagram for pipeline for the heating of asphalt tanker pitch that the utility model embodiment provides；
Fig. 2 is the structural representation of pipeline that the another kind that the utility model embodiment provides heats for asphalt tanker pitch
Figure.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than all real
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, it is a kind of knot of pipeline for the heating of asphalt tanker pitch of the utility model embodiment offer
Structure schematic diagram.The pipeline for the heating of asphalt tanker pitch of the utility model embodiment includes：First bitumenpump 1, N number of pitch cabin
And it is separately positioned on the asphalt heater in each pitch cabin；N is greater than or equal to 1；Each pitch cabin goes out cabin
Mouth is connected respectively by an egress hatch shut-off valve with the input port of first bitumenpump 1；Each pitch cabin into cabin
Mouth is connected respectively by an entrance hatch shut-off valve with the delivery outlet of first bitumenpump 1；N number of pitch cabin is in Fig. 1
It is represented with 201,202 ... 20N-1,20N；The corresponding egress hatch shut-off valve in the pitch cabin is with 301,302 ... 30N-1,30N
It represents；The corresponding entrance hatch shut-off valve in the pitch cabin is represented with 401,402 ... 40N-1,40N.
The operation principle of the utility model embodiment is：
After pitch is loaded onto ship, if the single pitch cabin, such as 201 asphalt temperature of pitch cabin needs to keep the temperature, then opens
The corresponding egress hatch shut-off valve 301 in pitch cabin 201 and the entrance hatch shut-off valve 401 start first pitch
Pump 1 and the corresponding asphalt heater；At this point, the pitch in the pitch cabin 201 can pass through the corresponding egress hatch
Shut-off valve 301 flows into first bitumenpump 1, and then is flowed into from the corresponding entrance hatch shut-off valve 401 in the pitch cabin 201
In the pitch cabin 201, internal cycle is carried out, is evenly heated.If multiple pitch cabin temperature need to keep the temperature, open each
The corresponding egress hatch shut-off valve in pitch cabin and the entrance hatch shut-off valve start first bitumenpump 1 and each
The corresponding asphalt heater in the pitch cabin；At this point, the pitch in each pitch cabin can be by corresponding described
Egress hatch shut-off valve, the first bitumenpump 1 and the corresponding entrance hatch shut-off valve carry out internal cycle, are evenly heated.
Referring to Fig. 2, it is the pipeline that the another kind of the utility model embodiment offer is used for the heating of asphalt tanker pitch
Structure diagram.
The embodiment and Fig. 1 embodiments the difference is that：
The pipeline further includes the second bitumenpump 5；The egress hatch in each pitch cabin respectively by it is corresponding it is described go out
Hatch shut-off valve is connected with the input port of second bitumenpump 5；The entrance hatch in each pitch cabin is respectively by corresponding
The entrance hatch shut-off valve is connected with the delivery outlet of second bitumenpump 5.The effect of second bitumenpump 5 is described
One bitumenpump 1 damages or when being short of power of first bitumenpump 1 offer, carries out circulating-heating in pipeline for pitch and provides
Power.
In a kind of optional embodiment, the pipeline further includes the first bitumenpump input port shut-off valve 601 and the second drip
Blueness pump input port shut-off valve 602；One end of the first bitumenpump input port shut-off valve 601 and each egress hatch shut-off valve
One end connection；The other end of the first bitumenpump input port shut-off valve 601 connects with the input port of first bitumenpump 1
It is logical；One end of the second bitumenpump input port shut-off valve 602 is connected with one end of each egress hatch shut-off valve；Described
The other end of two bitumenpump input port shut-off valves 602 is connected with the input port of second bitumenpump 5.First bitumenpump is defeated
The effect of inlet stop valve 601 and the second bitumenpump input port shut-off valve 602 is that control pitch flows through described first respectively
The conducting and cut-off of the access of bitumenpump 1 and second bitumenpump 5.
In a kind of optional embodiment, the pipeline further includes the first bitumenpump delivery outlet shut-off valve 701 and the second drip
Blueness pump delivery outlet shut-off valve 702；One end of the first bitumenpump delivery outlet shut-off valve 701 is defeated with first bitumenpump 1
Outlet；The other end of the first bitumenpump delivery outlet shut-off valve 701 and one end of each entrance hatch shut-off valve connect
It is logical；One end of the second bitumenpump delivery outlet shut-off valve 702 is connected with the delivery outlet of second bitumenpump 5；Described second
The other end of bitumenpump delivery outlet shut-off valve 702 is connected with one end of each entrance hatch shut-off valve.First bitumenpump
The effect of delivery outlet shut-off valve 701 and the second bitumenpump delivery outlet shut-off valve 702 is that control pitch flows through described the respectively
The conducting and cut-off of the access of one bitumenpump 1 and second bitumenpump 5.
In a kind of optional embodiment, the pipeline further includes the first shut-off valve 8；One end of first shut-off valve 8
With it is each it is described go out cabin shut-off valve one end connect；The other end of first shut-off valve 8 and the first outside asphalt delivery port
Out1 is connected.First shut-off valve 8 is used to controlling that all pitch cabins and the first outside asphalt delivery port out1's to be logical
The conducting and cut-off on road, when pitch is lightered, first shut-off valve 8 is opened, and all pitch cabins are corresponding
The egress hatch shut-off valve is opened, and the corresponding entrance hatch shut-off valve in all pitch cabins is closed, first bitumenpump 1
Start, at this point, the pitch in all pitch cabins can flow into first pitch by the corresponding egress hatch shut-off valve
Pump 1 simultaneously flows into the first outside asphalt delivery port out1 by first shut-off valve, is transferred to another place.
In a kind of optional embodiment, the pipeline further includes the second shut-off valve 9；One end of second shut-off valve 9
It is connected with one end of each egress hatch shut-off valve；The other end of second shut-off valve 9 and the second outside asphalt delivery end
Mouth out2 connections；The first outside asphalt delivery port out1 is located at respectively with the second outside asphalt delivery port out2
The both sides of asphalt tanker.Effect, first shut-off valve 8 identical with the effect of first shut-off valve 8 of second shut-off valve 9
It is located at the both sides of asphalt tanker respectively with second shut-off valve 9, controls first outside pitch of asphalt tanker both sides defeated respectively
Sending end mouth out1 and the second outside asphalt delivery port out2.
In a kind of optional embodiment, the asphalt heater is deep fat heating coil；Each deep fat heating dish
Pipe is arranged on the bottom in the corresponding pitch cabin.The deep fat heating coil is used to heat to pitch.
In a kind of optional embodiment, the pipeline further include deep fat pipe temperature sensor, asphalt temperature sensor and
Controller；The inlet end and an outlet end of each deep fat heating coil is both provided with the corresponding deep fat pipe temperature sensing
Device；The corresponding asphalt temperature sensor is provided in each pitch cabin；The controller respectively with each heat
Oil pipe temperature sensor and each asphalt temperature sensor electrical connection.Be arranged on each deep fat heating coil into
The deep fat pipe temperature sensor at mouth end is used to detect deep fat inlet oil temperature；It is arranged on the outlet that each deep fat adds coil pipe
The deep fat pipe temperature sensor at end is used to detect deep fat oil outlet temperature；The asphalt temperature being arranged in each pitch cabin
Sensor is used to detect the temperature of pitch in each pitch cabin.
In a kind of optional embodiment, the controller also respectively with first bitumenpump 1, second bitumenpump
5 electrical connections.In this embodiment, the working method of the controller is：The controller passes through each deep fat tube temperature degree
Sensor and each asphalt temperature sensor are to detect asphalt temperature value in each pitch cabin, at deep fat oil inlet and return
Temperature value at oil is sentenced according to the direct temperature difference of temperature value at temperature value at each deep fat oil return and each oil inlet
The situation of asphalt melting in disconnected corresponding each pitch cabin；The temperature at the deep fat oil return in corresponding each pitch cabin
When temperature value difference is little at angle value and the oil inlet, then show that the pitch close to the deep fat heating coil region melts substantially
It is over, at this point it is possible to which first bitumenpump 1 or 5 rotating speed of the second bitumenpump are improved, the pitch in other regions is carried out
Circulating-heating.
In a kind of optional embodiment, the pipeline further includes liquid level sensor；It is provided in each pitch cabin
The corresponding liquid level sensor；The controller is electrically connected respectively with each liquid level sensor.Each liquid level passes
Sensor is used to detect the liquid level of pitch in the corresponding pitch cabin, when liquid level sensor reaches setting value, the control
Device processed can send out alarm, remind the corresponding entrance hatch shut-off valve in the relevant pitch cabin of staff's control and it is described go out
Hatch shut-off valve avoids the part pitch cabin from being overflowed due to reflux injection is excessive or the situation in empty cabin goes out when discharging excessive
It is existing.
Compared with the prior art, the advantageous effect of the utility model embodiment is：The utility model embodiment provides
A kind of pipeline for the heating of asphalt tanker pitch, including：First bitumenpump, N number of pitch cabin and it is separately positioned on each institute
State the asphalt heater in pitch cabin；N is greater than or equal to 1；The egress hatch in each pitch cabin passes through an egress hatch respectively
Shut-off valve is connected with the input port of first bitumenpump；The entrance hatch in the pitch cabin passes through an entrance hatch shut-off valve respectively
It is connected with the delivery outlet of first bitumenpump.By more than structure, the utility model can make pitch thermally equivalent, navigate by water
Period keeps the flowable of pitch, and can preferably control the heating temperature of pitch, avoids pitch because of heating temperature mistake
It is high and parallel off occurs, ensure the quality of pitch；It also avoids pitch to solidify due to temperature is too low, ensure that the effect of pitch transportation by lighter
Rate.
It is the preferred embodiment of the utility model above, it is noted that for those skilled in the art
For, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improvements and modifications
It is considered as the scope of protection of the utility model.
Claims (10)
1. a kind of pipeline for the heating of asphalt tanker pitch, which is characterized in that including：First bitumenpump, N number of pitch cabin and point
The asphalt heater not being arranged in each pitch cabin；N is greater than or equal to 1；
The egress hatch in each pitch cabin is connected respectively by the input port of an egress hatch shut-off valve and first bitumenpump
It is logical；The entrance hatch in each pitch cabin is connected respectively by the delivery outlet of an entrance hatch shut-off valve and first bitumenpump
It is logical.
2. as described in claim 1 for the pipeline of asphalt tanker pitch heating, which is characterized in that the pipeline further includes second
Bitumenpump；The egress hatch in each pitch cabin passes through the corresponding egress hatch shut-off valve and second bitumenpump respectively
Input port connects；The entrance hatch in each pitch cabin passes through the corresponding entrance hatch shut-off valve and second pitch respectively
The delivery outlet connection of pump.
3. as claimed in claim 2 for the pipeline of asphalt tanker pitch heating, which is characterized in that the pipeline further includes first
Bitumenpump input port shut-off valve and the second bitumenpump input port shut-off valve；One end of the first bitumenpump input port shut-off valve with
One end connection of each egress hatch shut-off valve；The other end of the first bitumenpump input port shut-off valve and the described first drip
The input port connection of blueness pump；One end of the second bitumenpump input port shut-off valve and one end of each egress hatch shut-off valve
Connection；The other end of the second bitumenpump input port shut-off valve is connected with the input port of second bitumenpump.
4. as claimed in claim 2 for the pipeline of asphalt tanker pitch heating, which is characterized in that the pipeline further includes first
Bitumenpump delivery outlet shut-off valve and the second bitumenpump delivery outlet shut-off valve；One end of the first bitumenpump delivery outlet shut-off valve with
The delivery outlet connection of first bitumenpump；The other end of the first bitumenpump delivery outlet shut-off valve and each entrance hatch
One end connection of shut-off valve；One end of the second bitumenpump delivery outlet shut-off valve connects with the delivery outlet of second bitumenpump
It is logical；The other end of the second bitumenpump delivery outlet shut-off valve is connected with one end of each entrance hatch shut-off valve.
5. as described in claim 1 for the pipeline of asphalt tanker pitch heating, which is characterized in that the pipeline further includes first
Shut-off valve；One end of first shut-off valve is connected with one end of each entrance hatch shut-off valve；First shut-off valve
The other end is connected with the first outside asphalt delivery port.
6. as claimed in claim 5 for the pipeline of asphalt tanker pitch heating, which is characterized in that the pipeline further includes second
Shut-off valve；One end of second shut-off valve is connected with one end of each entrance hatch shut-off valve；Second shut-off valve
The other end is connected with the second outside asphalt delivery port；The first outside asphalt delivery port and second outside pitch are defeated
Sending end mouth is located at the both sides of asphalt tanker respectively.
7. as claimed in claim 2 for the pipeline of asphalt tanker pitch heating, which is characterized in that the asphalt heater is heat
Oily heating coil；Each deep fat heating coil is arranged on the bottom in the corresponding pitch cabin.
8. as claimed in claim 7 for the pipeline of asphalt tanker pitch heating, which is characterized in that the pipeline further includes deep fat
Pipe temperature sensor, asphalt temperature sensor and controller；The inlet end and an outlet end of each deep fat heating coil is all provided with
It is equipped with the corresponding deep fat pipe temperature sensor；The corresponding asphalt temperature sensing is provided in each pitch cabin
Device；The controller is electrically connected respectively with each deep fat pipe temperature sensor and each asphalt temperature sensor.
9. as claimed in claim 8 for asphalt tanker pitch heating pipeline, which is characterized in that the controller also respectively with
First bitumenpump, second bitumenpump electrical connection.
10. as claimed in claim 8 or 9 for the pipeline of asphalt tanker pitch heating, which is characterized in that the pipeline further includes
Liquid level sensor；The corresponding liquid level sensor is provided in each pitch cabin；The controller respectively with each institute
State liquid level sensor electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231422.5U CN207595198U (en) | 2017-09-22 | 2017-09-22 | A kind of pipeline for the heating of asphalt tanker pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231422.5U CN207595198U (en) | 2017-09-22 | 2017-09-22 | A kind of pipeline for the heating of asphalt tanker pitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207595198U true CN207595198U (en) | 2018-07-10 |
Family
ID=62756455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721231422.5U Active CN207595198U (en) | 2017-09-22 | 2017-09-22 | A kind of pipeline for the heating of asphalt tanker pitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207595198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521625A (en) * | 2017-09-22 | 2017-12-29 | 广州文冲船厂有限责任公司 | A kind of pipeline for the heating of asphalt tanker pitch |
-
2017
- 2017-09-22 CN CN201721231422.5U patent/CN207595198U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521625A (en) * | 2017-09-22 | 2017-12-29 | 广州文冲船厂有限责任公司 | A kind of pipeline for the heating of asphalt tanker pitch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108603463A (en) | System for storing auxiliary liquid and auxiliary liquid being supplied internal combustion engine | |
| CN207595198U (en) | A kind of pipeline for the heating of asphalt tanker pitch | |
| US8826866B2 (en) | Dugout heating system | |
| CN110062844A (en) | Equipment for being mixed into fluid in the combustion air of internal combustion engine | |
| WO2016141649A1 (en) | Chemical liquid dispensing system and flow volume control method | |
| CN107521625A (en) | A kind of pipeline for the heating of asphalt tanker pitch | |
| CN207708546U (en) | A kind of honey concentration tank | |
| CN207062694U (en) | A kind of storage tank energy-saving heating apparatus for road surface cold-application maintenance rubber asphalt | |
| CN105457516A (en) | Adblue solution stirring device and temperature control method thereof | |
| CN208559730U (en) | A kind of high efficiency fuel transportation by lighter heating device | |
| CN208746758U (en) | Mobile heat-conducting oil heating system | |
| CN104500183B (en) | Hydrocone type adds blue charging method and device | |
| RU2307780C1 (en) | Method to control process of draining high viscosity products from tank | |
| CN208038029U (en) | A kind of upper interface formula oil product storage tank displacement heating unloading unit | |
| CN206094952U (en) | Keep in jar and vapor recovery system equipment | |
| CN208374173U (en) | Magnesium alloy founding turn liquid with prevent melt flow back turn liquid device | |
| CN107672773A (en) | A kind of ocean pitch shipload control system | |
| CN108526442A (en) | Magnesium alloy founding turns liquid with the method for preventing melt from flowing back and turns liquid device | |
| CN208309333U (en) | A kind of asphalt melting device | |
| CN102975989A (en) | Asphalt heating storage tank | |
| CN106618191A (en) | Cold water and hot water mixing device | |
| CN206875540U (en) | A kind of central-heating system | |
| CN206751374U (en) | A kind of conveying device of honey | |
| CN206377392U (en) | A kind of anti-freeze joint with calandria | |
| CN206577614U (en) | A kind of water circle device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |