CN208327929U - A kind of energy-efficient fine coal pressure-flow system - Google Patents
A kind of energy-efficient fine coal pressure-flow system Download PDFInfo
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- CN208327929U CN208327929U CN201820840494.8U CN201820840494U CN208327929U CN 208327929 U CN208327929 U CN 208327929U CN 201820840494 U CN201820840494 U CN 201820840494U CN 208327929 U CN208327929 U CN 208327929U
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- fine coal
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Abstract
The utility model discloses a kind of energy-efficient fine coal pressure-flow systems, belong to Coal Gasification Technology field, system reduces load or parking caused by the technical problems to be solved in the utility model breaks down because of single fine coal lock hopper and initial stage of driving requires to need for high pressure gas to be vented when larger and system circulation to conveying tolerance, causes waste and environmental pollution.The technical solution of use are as follows: its structure includes fine coal basin, fine coal lock hopper one, fine coal lock hopper two and fine coal feedstock vessel, the discharge port of fine coal basin is respectively communicated with the feed inlet of fine coal lock hopper one and fine coal lock hopper two, and the discharge port of fine coal lock hopper one and fine coal lock hopper two is respectively communicated with the feed inlet of fine coal feedstock vessel；It is connected between fine coal lock hopper one and fine coal lock hopper two by balance pipe line, is provided on balance pipe line and presses stop valve one, presses stop valve two and pressure-regulating valve one, pressure-regulating valve one, which is located at, presses stop valve one and press between stop valve two.
Description
Technical field
The utility model relates to Coal Gasification Technology field, specifically a kind of energy-efficient fine coal pressurized delivered system
System.
Background technique
Powdered coal pressuring gasified is to convert the solid material coal for being difficult to processing to synthesis gas that is clean, being easy to apply
(CO2+H2) process.This process is also to enter the dry pulverized coal that particle diameter is 5-90 microns together with carbon dioxide or nitrogen
The process of gasification furnace completion coal gasification.
It is to use dried coal powder pressure-flow system by dried coal powder in existing major part air flow bed dry powder coal gasifying process
With carbon dioxide or nitrogen pressurized delivered to gasification furnace, it is related to all high-low pressure equipment that is chiefly used in the system and is closely cut
Pressure-regulating valve under disconnected lock hopper valve and High Pressure Difference；In the operational process of system, since its material is solid material, have
The uncertainty of its particularity and physical property, be easy to appear the valves such as the card valve of valve, poorly sealed or serious wear therefore
Barrier, if single fine coal lock hopper configure, without spare fine coal lock hopper, then need by fine coal lock hopper deactivate carry out valve online more
It changes, system is needed to reduce load operation in the short time, must then carry out parking process to device for a long time.
In addition in existing fine coal pressure-flow system, by dried coal powder from normal pressure by the way of generally being replaced using high pressure gas
Environment is transported to hyperbaric environment, and each circulation requires to carry out a large amount of high pressure gas into whole emptying, causes system high pressure gas
The waste of body, increases the load of mating air system and compressor, simultaneously because dropping a hint as CO2Or N2, easily cause biggish ring
Border pollution.
As chemical plant installations requires increasingly the stabilization of system, safety, long period, low energy consumption and environmental protection pressure at this stage
Under the premise of height, it is badly in need of energy-efficient fine coal pressure-flow system.
Summary of the invention
The technical assignment of the utility model is to provide a kind of energy-efficient fine coal pressure-flow system, effectively solves because of list
One fine coal lock hopper failure cause system reduce load or parking the problem of, while can solve driving initial stage to conveying tolerance want
The problem of needing for high pressure gas to be vented when seeking larger and system circulation, causing waste and environmental pollution.
The technical assignment of the utility model realizes in the following manner, a kind of energy-efficient fine coal pressurized delivered system
System, including fine coal basin, fine coal lock hopper one, fine coal lock hopper two and fine coal feedstock vessel, the discharge port of fine coal basin are respectively communicated with powder
The discharge port of the feed inlet of coal lock hopper one and fine coal lock hopper two, fine coal lock hopper one and fine coal lock hopper two is respectively communicated with fine coal feedstock vessel
Feed inlet；It is connected between fine coal lock hopper one and fine coal lock hopper two by balance pipe line, it is disconnected that equal crush-cutting is provided on balance pipe line
Valve one presses stop valve two and pressure-regulating valve one, pressure-regulating valve one be located at pressure stop valve one and press stop valve two it
Between.
Preferably, further include bag filter, pressurized can, metal sintered filter one and metal sintered filter two,
Metal sintered filter one and metal sintered filter two are separately positioned on the top of fine coal lock hopper one and fine coal lock hopper two and divide
It is not connected to fine coal lock hopper one and fine coal lock hopper two；Pressurized can is respectively communicated with metal sintered filter one and gold by punching press pipeline
Belong to sintered filter two, metal sintered filter one and metal sintered filter two-way cross blow-down pipe and be respectively communicated with bag type filtering
Device is provided with blow valve and pressure-regulating valve two on blow-down pipe, filter top equalizer valve is provided on punching press pipeline.
It is connected to preferably, the fine coal lock hopper one passes through blowdown line with position top in the middle part of fine coal lock hopper two respectively
Bag filter is provided with pressure release unit on blowdown line.
More preferably, the pressure release unit includes that high pressure phase pressure release branch, middle pressure stage pressure release branch and atmospheric phase are let out
Branch is pressed, high pressure phase pressure release branch road is provided with high pressure phase relief valve, and middle pressure stage pressure release branch road is provided with middle pressure rank
Section relief valve, atmospheric phase pressure release branch road are provided with balanced valve one and balanced valve two.
More preferably, the bottom of the fine coal lock hopper one and fine coal lock hopper two is respectively arranged with punching unit, and punching unit is logical
It overshoots pressure pipeline and is connected to pressurized can.
More preferably, the punching unit includes lock hopper cone top punching press branch, lock hopper cone base punching press branch and lock
Struggle against downstream pipe punching press branch, and lock hopper cone top punching press branch road is provided with lock hopper cone top equalizer valve and flow pressure-difference tune
Valve one is saved, lock hopper cone base punching press branch road is provided with lock hopper cone base equalizer valve and flow pressure-difference regulating valve two, lock hopper
Downstream pipe punching press branch road is provided with lock hopper downstream pipe equalizer valve and flow pressure-difference regulating valve three.
More preferably, pressure gauge is respectively arranged at the top of the fine coal lock hopper one and fine coal lock hopper two.
More preferably, the fine coal basin is respectively communicated with fine coal lock hopper one and fine coal lock hopper two, blanking by blanking pipeline one
Baiting valve one and baiting valve two are provided on pipeline one.
More preferably, the fine coal lock hopper one and fine coal lock hopper two are connected to by blanking pipeline two with fine coal feedstock vessel respectively,
Baiting valve three and baiting valve four are provided on blanking pipeline two；Blanking pipeline two is connected to lock hopper downstream pipe punching press branch.
More preferably, the top position of the fine coal lock hopper one and the middle part of fine coal lock hopper two passes through balance pipeline and fine coal respectively
Feedstock vessel connection balances and is provided with balanced valve three and balanced valve four on pipeline.
The energy-efficient fine coal pressure-flow system of the utility model has the advantage that compared with prior art
(1), the utility model fine coal lock hopper one and fine coal lock hopper two are respectively arranged with the adjustable pressurising pipeline of five road flows
At the top of pipeline, respectively lock hopper under pressurising pipeline, lock hopper cone top punching press branch, lock hopper cone base punching press branch, lock hopper
Balance pipe road between play pipe road punching press branch and fine coal lock hopper one and fine coal lock hopper two is flowed by adjusting each pressure charging pipe road
Pressure-difference valve aperture is measured, to realize the maximum fluidization state of fine coal in the maximization and fine coal lock hopper of gas supply capacity, and can
To prevent in each road pressurising pipeline internals to damage because pressurising rate is uncontrollable；Flow pressure-difference regulating valve is by it simultaneously
The control of part pressure difference not only can guarantee in lock hopper fine coal maximally fluidized state, but also internals can be protected not damaged；
(2), between fine coal lock hopper one and fine coal lock hopper two can mutually spare or alternate run, reduce because of baiting valve
Or system and device caused by balanced valve failure reduces load and even stops；
(3), in the case where conveying the insufficient situation of tolerance, fine coal lock hopper one and fine coal lock hopper two can be carried out with artificial selection
It presses, open the pressure stop valve one of fine coal lock hopper one and fine coal lock hopper two and presses stop valve two, one of them is completed
It releases to the pressure release gas of the high-pressure powdered coal lock hopper of fine coal feedstock vessel blanking task and fine coal basin is completed to fine coal to another
In the normal pressure fine coal lock hopper of lock hopper charging task, the aperture of pressure-regulating valve is adjusted within the set time, keeps pressure lower
Fine coal lock hopper pressure is close with the higher fine coal lock hopper pressure of pressure, completes pressure equalizing later；In the lower fine coal of pressure
In lock hopper Plenum Process, top equalizer valve, bottom equalizer valve and downstream equalizer valve can be opened, the flow to match with equalizer valve
Pressure-difference valve will do it adjusting, but will receive the control of pressure difference；
(4), high pressure nitrogen usage amount about 1300Nm can be reduced per hour using the utility model3/ h saves fund about
It 390 yuan/h, is calculated according to running in year 300 days, it is cost-saved 2,800,000 yuan annual；Such as use CO2It is conveyed, per hour may be used
Reduce CO2Discharge amount about 1300Nm3/h, reduces CO every year2Discharge amount is 9360KNm3。
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Attached drawing 1 is the structural block diagram of energy-efficient fine coal pressure-flow system.
In figure: 1, fine coal basin, 2, fine coal lock hopper one, 3, fine coal lock hopper two, 4, fine coal feedstock vessel, 5, balance pipe line, 6,
Press stop valve one, 7, press stop valve two, 8, pressure-regulating valve one, 9, bag filter, 10, pressurized can, 11, metal sintering
Filter one, 12, metal sintered filter two, 13, blow-down pipe, 14, blow valve, 15, pressure-regulating valve two, 16, impact tube
Line, 17, filter top equalizer valve, 18, high pressure phase pressure release branch, 19, middle pressure stage pressure release branch, 20, atmospheric phase lets out
Press branch, 21, high pressure phase relief valve, 22, middle pressure stage relief valve, 23, balanced valve one, 24, balanced valve two, 25, lock hopper cone
Punching press branch at the top of body, 26, lock hopper cone base punching press branch, 27, lock hopper downstream pipe punching press branch, 28, lock hopper cone top
Portion's equalizer valve, 29, flow pressure-difference regulating valve one, 30, lock hopper cone base equalizer valve, 31, flow pressure-difference regulating valve two, 32, lock
Struggle against downstream pipe equalizer valve, 33, flow pressure-difference regulating valve three, 34, pressure gauge, 35, blanking pipeline one, 36, baiting valve one, 37,
Baiting valve two, 38, blanking pipeline two, 39, baiting valve three, 40, baiting valve four, 41, balance pipeline, 42, balanced valve three, 43, flat
Weigh valve four, 44, blowdown line.
Specific embodiment
The energy-efficient fine coal pressurized delivered system of one kind to the utility model referring to Figure of description and specific embodiment
System is described in detail below.
Embodiment:
As described in Fig. 1, the energy-efficient fine coal pressure-flow system of the utility model, which mainly includes powder
Coal basin 1, fine coal lock hopper 1, fine coal lock hopper 23, fine coal feedstock vessel 4, bag filter 9, pressurized can 10, metal sintering filtering
Device 1 and metal sintered filter 2 12.Fine coal lock hopper 1 and 23 top of fine coal lock hopper are separately installed with pressure gauge 34.Powder
The discharge port of coal basin 1 is respectively communicated with the feed inlet of fine coal lock hopper 1 and fine coal lock hopper 23, blanking by blanking pipeline 1
Baiting valve 1 and baiting valve 2 37 are installed on pipeline 1.Under the discharge port of fine coal lock hopper 1 and fine coal lock hopper 23 passes through
Expects pipe line 2 38 is respectively communicated with the feed inlet of fine coal feedstock vessel 4, and baiting valve 3 39 and baiting valve are equipped on blanking pipeline 2 38
4 40.It is connected between fine coal lock hopper 1 and fine coal lock hopper 23 by balance pipe line 5, equal crush-cutting is installed disconnected on balance pipe line 5
Valve 1 presses stop valve 27 and pressure-regulating valve 1, and pressure-regulating valve 1, which is located at, presses stop valve 1 and pressure stop valve
Between 27.Top position passes through balance pipeline 41 and fine coal feedstock vessel 4 respectively in the middle part of fine coal lock hopper 1 and fine coal lock hopper 23
Connection balances and is equipped with balanced valve 3 42 and balanced valve 4 43 on pipeline 41.
Metal sintered filter 1 and metal sintered filter 2 12 are separately mounted to fine coal lock hopper 1 and fine coal lock hopper
It 23 top and is connected to respectively with fine coal lock hopper 1 and fine coal lock hopper 23；Pressurized can 10 is respectively communicated with by punching press pipeline 16
Metal sintered filter 1 and metal sintered filter 2 12, metal sintered filter 1 and metal sintered filter 2 12
It is respectively communicated with bag filter 9 by blow-down pipe 13, blow valve 14 and pressure-regulating valve 2 15 are installed on blow-down pipe 13,
Filter top equalizer valve 17 is installed on punching press pipeline 16.Top position point in the middle part of fine coal lock hopper 1 and fine coal lock hopper 23
Not Tong Guo blowdown line 44 be connected to bag filter 9, pressure release unit is installed on blowdown line 44.Pressure release unit includes high pressure rank
Section pressure release branch 18, middle pressure stage pressure release branch 19 and atmospheric phase pressure release branch 20 are installed on high pressure phase pressure release branch 18
There is high pressure phase relief valve 21, middle pressure stage relief valve 22, atmospheric phase pressure release branch are installed on middle pressure stage pressure release branch 19
Balanced valve 1 and balanced valve 2 24 are installed on road 20.
The bottom of fine coal lock hopper 1 and fine coal lock hopper 23 is separately installed with punching unit, and punching unit passes through punching press pipeline
16 connection pressurized cans 10.Punching unit includes under lock hopper cone top punching press branch 25, lock hopper cone base punching press 26 and lock hopper
Play pipe road punching press branch 27 is equipped with lock hopper cone top equalizer valve 28 and flow pressure-difference on lock hopper cone top punching press branch 25
Regulating valve 1 is equipped with lock hopper cone base equalizer valve 30 and flow pressure-difference regulating valve on lock hopper cone base punching press branch 26
2 31, lock hopper downstream pipe equalizer valve 32 and flow pressure-difference regulating valve 3 33 are installed on lock hopper downstream pipe punching press branch 27.
Blanking pipeline 2 38 is connected to lock hopper downstream pipe punching press branch 27.
Specific work process:
When stop valve 1 and pressure stop valve 27 opening, this state are closed and pressed to baiting valve 3 39 and baiting valve 4 40
It is connected to fine coal feedstock vessel 4 for fine coal lock hopper 1 and fine coal lock hopper 23, is blanking state；
When baiting valve 4 10, stop valve 1 and the closing of pressure stop valve 27 are pressed, this state is fine coal lock hopper 1 and powder
Coal lock hopper 23 is completed to 4 blanking of fine coal feedstock vessel, into pressure release state；
For the instruction of pressure gauge 34 lower than certain value and when balanced valve 3 42 and balanced valve 4 43 are opened, this state is fine coal lock hopper one
2 and fine coal lock hopper 23 pressure release is completed, into rewinding state；
When baiting valve 1 is closed, this state is that fine coal lock hopper 1 and the rewinding of fine coal lock hopper 23 are completed, into filling
Pressure condition；
When the instruction of pressure gauge 34 is higher than certain value and hopper cone top equalizer valve 28, hopper cone base equalizer valve 30 and material
Bucket downstream pipe equalizer valve 32 is turned off, this state is that fine coal lock hopper 1 and 23 pressurising of fine coal lock hopper are completed；
The technical personnel in the technical field can readily realize the utility model with the above specific embodiments,.But
It is it should be appreciated that the utility model is not limited to above-mentioned specific embodiment.On the basis of the disclosed embodiments, described
Those skilled in the art can arbitrarily combine different technical features, to realize different technical solutions.
Claims (10)
1. a kind of energy-efficient fine coal pressure-flow system, which is characterized in that including fine coal basin, fine coal lock hopper one, fine coal
Lock hopper two and fine coal feedstock vessel, the discharge port of fine coal basin are respectively communicated with the feed inlet of fine coal lock hopper one and fine coal lock hopper two, powder
The discharge port of coal lock hopper one and fine coal lock hopper two is respectively communicated with the feed inlet of fine coal feedstock vessel；Fine coal lock hopper one and fine coal lock hopper two
Between be connected to by balance pipe line, be provided on balance pipe line and press stop valve one, press stop valve two and pressure-regulating valve one,
Pressure-regulating valve one, which is located at, presses stop valve one and presses between stop valve two.
2. energy-efficient fine coal pressure-flow system according to claim 1, which is characterized in that further include bag type filtering
Device, pressurized can, metal sintered filter one and metal sintered filter two, metal sintered filter one and metal sintered filter
Two are separately positioned on the top of fine coal lock hopper one and fine coal lock hopper two and are connected to respectively with fine coal lock hopper one and fine coal lock hopper two；It fills
Tank is pressed to be respectively communicated with metal sintered filter one and metal sintered filter two, one He of metal sintered filter by punching press pipeline
Metal sintered filter two-way crosses blow-down pipe and is respectively communicated with bag filter, and blow valve and pressure tune are provided on blow-down pipe
Valve two is saved, is provided with filter top equalizer valve on punching press pipeline.
3. energy-efficient fine coal pressure-flow system according to claim 1 or 2, which is characterized in that the fine coal lock
The position top with two middle part of fine coal lock hopper of bucket one passes through blowdown line respectively and is connected to bag filter, is provided on blowdown line
Pressure release unit.
4. energy-efficient fine coal pressure-flow system according to claim 3, which is characterized in that the pressure release unit packet
High pressure phase pressure release branch, middle pressure stage pressure release branch and atmospheric phase pressure release branch are included, high pressure phase pressure release branch road is arranged
There is high pressure phase relief valve, middle pressure stage pressure release branch road is provided with middle pressure stage relief valve, and atmospheric phase pressure release branch road is set
It is equipped with balanced valve one and balanced valve two.
5. energy-efficient fine coal pressure-flow system according to claim 4, which is characterized in that the fine coal lock hopper one
It is respectively arranged with punching unit with the bottom of fine coal lock hopper two, punching unit is connected to pressurized can by punching press pipeline.
6. energy-efficient fine coal pressure-flow system according to claim 5, which is characterized in that the punching unit packet
Include lock hopper cone top punching press branch, lock hopper cone base punching press branch and lock hopper downstream pipe punching press branch, lock hopper cone top
Portion's punching press branch road is provided with lock hopper cone top equalizer valve and flow pressure-difference regulating valve one, lock hopper cone base punching press branch road
It is provided with lock hopper cone base equalizer valve and flow pressure-difference regulating valve two, lock hopper downstream pipe punching press branch road is provided under lock hopper
Play pipe road equalizer valve and flow pressure-difference regulating valve three.
7. energy-efficient fine coal pressure-flow system according to claim 6, which is characterized in that the fine coal lock hopper one
Pressure gauge is respectively arranged with at the top of fine coal lock hopper two.
8. energy-efficient fine coal pressure-flow system according to claim 7, which is characterized in that the fine coal basin is logical
It crosses blanking pipeline one and is respectively communicated with fine coal lock hopper one and fine coal lock hopper two, baiting valve one and baiting valve are provided on blanking pipeline one
Two.
9. energy-efficient fine coal pressure-flow system according to claim 8, which is characterized in that the fine coal lock hopper one
It is connected to respectively by blanking pipeline two with fine coal feedstock vessel with fine coal lock hopper two, baiting valve three is provided on blanking pipeline two under
Expect valve four；Blanking pipeline two is connected to lock hopper downstream pipe punching press branch.
10. energy-efficient fine coal pressure-flow system according to claim 9, which is characterized in that the fine coal lock hopper
One and the top position in the middle part of fine coal lock hopper two pass through balance pipeline respectively and be connected to fine coal feedstock vessel, be provided on balance pipeline
Balanced valve three and balanced valve four.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820840494.8U CN208327929U (en) | 2018-06-01 | 2018-06-01 | A kind of energy-efficient fine coal pressure-flow system |
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| CN201820840494.8U CN208327929U (en) | 2018-06-01 | 2018-06-01 | A kind of energy-efficient fine coal pressure-flow system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504393A (en) * | 2018-06-01 | 2018-09-07 | 山东明泉新材料科技有限公司 | A kind of energy-efficient fine coal pressure-flow system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504393A (en) * | 2018-06-01 | 2018-09-07 | 山东明泉新材料科技有限公司 | A kind of energy-efficient fine coal pressure-flow system |
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