CN207048737U - A kind of small-sized skid low concentration coal-bed gas extraction equipment for purifying - Google Patents
A kind of small-sized skid low concentration coal-bed gas extraction equipment for purifying Download PDFInfo
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- CN207048737U CN207048737U CN201720855791.5U CN201720855791U CN207048737U CN 207048737 U CN207048737 U CN 207048737U CN 201720855791 U CN201720855791 U CN 201720855791U CN 207048737 U CN207048737 U CN 207048737U
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Abstract
The utility model belongs to that colliery is mined out, the technical field of minery extraction equipment for purifying, specifically a kind of small-sized skid low concentration coal-bed gas extraction equipment for purifying.It is mined out to solve coal field ground, adopting well can not timely and effectively solve the problems, such as that coal mine gas transfinites, including feed gas compressor, cooling driers, equipment for purifying, moisture separator, product air compressor and DCS central control systems, feed gas compressor is connected with well head, valve is sequentially provided between well head and feed gas compressor, check valve and spark arrester, feed gas compressor is connected with cooling driers, cooling driers are connected with concentration sensor, concentration sensor is connected by magnetic valve with equipment for purifying and product air compressor respectively, moisture separator is connected between equipment for purifying and product air compressor, product air compressor is connected by flowmeter with coal bed gas collection transmission pipe network, DCS central control systems control binder air compressor respectively, cooling driers and product air compressor.The utility model efficiency high, utilization rate are high.
Description
Technical field
The utility model belongs to that colliery is mined out, the technical field of minery extraction equipment for purifying, specifically a kind of small-sized sled
Fill low concentration coal-bed gas extraction equipment for purifying.
Background technology
Because coal field ground is mined out, adopts well due to the factors such as down-hole mining face gas fluctuation, the timing of extraction one
Between after, the coal seam gas concentration of ground extraction is too low, can not directly collect the problem of defeated utilization, it is impossible to timely and effectively solves colliery
Fire damp transfinites, and the low concentration coal-bed gas of ground extraction can not be utilized effectively, and cause the wasting of resources, while increase temperature
, potential safety hazard be present in the discharge of room gas.Urgent need, which works out, a set of possesses the low concentration coal-bed gas extraction purification collection function such as defeated, knot
Structure is compact, is easy to the high low concentration coal-bed gas extraction equipment for purifying of management, automaticity, security, improve colliery it is mined out,
The methane drainage and utilization project efficiency of minery low concentration coal-bed gas.Coal is developing related skill to coal bed gas Gong Cai National Key Laboratories
Art.
The content of the invention
The utility model in order to solve coal field ground is mined out, adopt well due to down-hole mining face gas fluctuation etc. because
Element, after extraction certain time, the coal seam gas concentration of ground extraction is too low, can not directly collect the problem of defeated utilization, it is impossible in time
The effective coal mine gas that solves transfinites, and the low concentration coal-bed gas of ground extraction can not be utilized effectively, and causes resource unrestrained
A kind of the problem of taking, while increasing the discharge of greenhouse gases, there is provided small-sized skid low concentration coal-bed gas extraction equipment for purifying.
The utility model takes following technical scheme:A kind of small-sized skid low concentration coal-bed gas extraction equipment for purifying, including
Feed gas compressor, cooling driers, equipment for purifying, moisture separator, product air compressor and DCS central control systems, unstripped gas
Compressor is connected with well head, and valve, check valve and spark arrester, unstripped gas compression are sequentially provided between well head and feed gas compressor
Machine is connected with cooling driers, and cooling driers are connected with concentration sensor, and concentration sensor passes through magnetic valve and equipment for purifying and production respectively
Product air compressor connects, and moisture separator is connected between equipment for purifying and product air compressor, product air compressor passes through stream
Gauge is connected with coal bed gas collection transmission pipe network, and DCS central control systems control binder air compressor, cooling driers and product gas respectively
Compressor.
By the overall control of DCS central control systems, entrance extraction comes from mined out, the minery coal bed gas of well head
The low concentration coal-bed gas of well, pressure are >=-30Kpa, directly pass through the feed gas compressor of this skid mounted equipment(Front end is true to take out
Sky, rear end are compressor in one)By pressure rise to 200Kpa, and freeze drying equipment is sent after being cooled to normal temperature, will compressed
In gas afterwards most of moisture dry abjection after directly send by 6 adsorption tower groups into pressure-changed adsorption concentrating low concentration coal seam
Gas, the high concentration coal bed gas after purification recovery enter in product gas surge tank, then the coal bed gas compressor by installing thereafter increases
Neighbouring coal bed gas collection transmission pipe network is delivered to after pressure.
Compared with prior art, the utility model has the advantages that:
1st, the utility model integrates the functions such as extraction, purification, intelligent control, can be effectively applicable to complicated topographical conditions
Or the landform that spacing distance is remote;
2nd, the utility model can, minery surface condition nearby extraction mined out according to colliery, with original drainage device phase
Specific efficiency is higher, and utilization rate is higher.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model;
In figure:1- well heads, 2- valves, 3- check valves, 4- spark arresters, 5- feed gas compressors, 6- cooling driers 7- concentration pass
Sensor, 8- magnetic valves, 9- equipment for purifying, 10- moisture separators, surge tank, 11- products air compressor, 12- flowmeters 13-DCS
Central control system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1, a kind of small-sized skid low concentration coal-bed gas extraction equipment for purifying, including it is feed gas compressor 5, cold dry
Machine 6, equipment for purifying 9, moisture separator 10, product air compressor 11 and DCS central control systems 13, feed gas compressor 5 with
Well head 1 is connected, and valve 2, check valve 3 and spark arrester 4, feed gas compressor are sequentially provided between well head 1 and feed gas compressor 5
5 are connected with cooling driers 6, and cooling driers 6 are connected with concentration sensor 7, and concentration sensor 7 passes through magnetic valve 8 and equipment for purifying 9 respectively
Connected with product air compressor 11, moisture separator 10, product air pressure are connected between equipment for purifying 9 and product air compressor 11
Contracting machine 11 is connected by flowmeter 12 with coal bed gas collection transmission pipe network, and DCS central control systems 13 control binder air pressure to contract respectively
Machine 5, cooling driers 6 and product air compressor 11.
Spark arrester, check valve, feed gas compressor, methane oxygen concentration sensing are installed in the starting of the utility model pipeline successively
The equipment such as device, equipment for purifying, product air compressor, by DCS master control systems control the extraction of low concentration coal-bed gas, purification,
The processes such as supercharging, low concentration, intellectuality operation, efficient extraction are realized by this set intelligence control system.
The concentration of component such as mined out, to adopt well ground extraction low concentration coal-bed gas methane, oxygen are exploited due to underground coal mine
Irregular fluctuation whether be present, methane, oxygen isoconcentration sensor and magnetic valve are installed in the utility model pipeline hereby, when
When CH4 concentration is less than 30%, low concentration coal-bed gas enters equipment for purifying concentrate after extraction, drying, if higher than 30%, can be direct
Coal bed gas collection transmission pipe network nearby is incorporated to after being pressurized into coal bed gas compressor.
Due to the inflammable and explosive characteristic of low concentration coal-bed gas, using special shape compressor, the safety of compression had both been ensure that,
Simultaneously also by low concentration coal-bed gas pressure rise that is mined out, adopting well extraction to certain safety value, compressor inlet pressure is-
30Kpa, the whole technological process of device are run using environment under low pressure;Using the absorption Jing Guo special processing in pressure-variable adsorption link
Agent, there is very strong suppression blast function, special adsorbent is handled using dustlessization, can effectively reduce low concentration coal-bed gas warp
Dry gas after adsorbent absorption produces electrostatic, it is ensured that the safe operation of device;Each branch in entire work flow equipment
The positions such as link such as feed gas compressor, purification adsorption tower, surge tank suppress blast using special material, and device many places are set
Rupture disk is put, greatly improves the security of equipment.
The low concentration coal-bed gas extraction, the small-sized skid mounted equipment of purification support the use DCS central control systems, the control system
Including sequential control, Self Adaptive Control, parameter optimization control, interlock alarm control, power-equipment monitoring, management, fault diagnosis
, can be with real time on-line monitoring, collection, arrangement links parameter, data etc. function, and right instructions are issued, ensure equipment
Normal operation.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (1)
- A kind of 1. small-sized skid low concentration coal-bed gas extraction equipment for purifying, it is characterised in that:Including feed gas compressor(5), it is cold Dry machine(6), equipment for purifying(9), moisture separator(10), product air compressor(11)With DCS central control systems(13), raw material Air compressor(5)With well head(1)Connection, well head(1)And feed gas compressor(5)Between be sequentially provided with valve(2), check valve (3)And spark arrester(4), feed gas compressor(5)With cooling driers(6)Connection, cooling driers(6)With concentration sensor(7)Connection, it is dense Spend sensor(7)Pass through magnetic valve respectively(8)With equipment for purifying(9)With product air compressor(11)Connection, equipment for purifying(9)With Product air compressor(11)Between be connected with moisture separator(10), product air compressor(11)Pass through flowmeter(12)With coal seam Gas collection transmission pipe network connects, DCS central control systems(13)Binder air compressor is controlled respectively(5), cooling driers(6)And product gas Compressor(11).
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CN201720855791.5U CN207048737U (en) | 2017-07-14 | 2017-07-14 | A kind of small-sized skid low concentration coal-bed gas extraction equipment for purifying |
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CN201720855791.5U CN207048737U (en) | 2017-07-14 | 2017-07-14 | A kind of small-sized skid low concentration coal-bed gas extraction equipment for purifying |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108915638A (en) * | 2018-06-19 | 2018-11-30 | 马弘毅 | Individual well casing gas sulphur removal is pressurized storage device |
CN109139093A (en) * | 2018-10-24 | 2019-01-04 | 太原理工大学 | A kind of ground drilling low concentration coal-bed gas methane drainage and utilization project system |
CN109185703A (en) * | 2018-08-16 | 2019-01-11 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal mine ground adopts well coal bed gas gathering and transporting device |
-
2017
- 2017-07-14 CN CN201720855791.5U patent/CN207048737U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108915638A (en) * | 2018-06-19 | 2018-11-30 | 马弘毅 | Individual well casing gas sulphur removal is pressurized storage device |
CN109185703A (en) * | 2018-08-16 | 2019-01-11 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal mine ground adopts well coal bed gas gathering and transporting device |
CN109139093A (en) * | 2018-10-24 | 2019-01-04 | 太原理工大学 | A kind of ground drilling low concentration coal-bed gas methane drainage and utilization project system |
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