CN223674388U - Sodium ion exchanger for water supply treatment of oil field steam injection boiler and steam injection boiler - Google Patents

Abstract

The utility model discloses a sodium ion exchanger for water treatment of an oilfield steam injection boiler and a steam injection boiler, which comprise at least one exchange tank group, wherein the exchange tank group comprises at least one exchange tank, a raw water inlet, a negative pressure extraction opening and an exchanger inlet are arranged at the top of a tank body of the exchange tank, and a softened water outlet is arranged at the bottom of the tank body. When the exchanger is filled, the air suction hose is connected with the negative pressure air suction port, the feeding hose is connected with the exchanger adding port, the negative pressure air suction port is used for continuously sucking air, the air in the exchange tank can be discharged from the air outlet of the negative pressure air blower along the air suction hose, so that the interior of the exchange tank is in a negative pressure vacuum state, and the exchanger particles can enter the exchanger adding port along the feeding hose from the feed box and fall into the interior of the exchange tank, so that the exchanger can be conveniently and quickly automatically completed.

Description

Sodium ion exchanger for water supply treatment of oil field steam injection boiler and steam injection boiler

Technical Field

The utility model relates to the technical field of oilfield water treatment, in particular to a sodium ion exchanger for water treatment of an oilfield steam injection boiler and the steam injection boiler.

Background

The core module of the water treatment device for the water of the oilfield steam injection boiler is a sodium ion exchanger.

Sodium ion exchangers are used for the softening (hardness removal) treatment of raw water, that is, the process of removing calcium and magnesium ions from water, and are simply called resin tanks or water softeners because the type of ion exchanger filled in the sodium ion exchangers is 001X7 sodium type cation exchange resin (particle size range 0.315-1.25 mm).

The sodium ion exchanger is used for softening water and adopts a two-stage treatment mode, wherein the primary tank plays a main role, namely, calcium and magnesium ions in raw water are exchanged with sodium ions in pores on the surfaces of resin particles to perform displacement reaction, so that the calcium and magnesium ions in water are removed, and the secondary tank plays a safety role to prevent hard leakage. Thus, the resin tanks are typically two sets, one set operating and the other set "regenerating" for standby, alternately operating. "regeneration" is the replacement reaction of resin particles, which have lost their ability to exchange, with dilute brine (8-10%) passing through the resin layer, restoring its ability to treat water. The regeneration flow mainly comprises salt feeding and cleaning.

The utility model discloses a sodium ion exchanger, CN217077070U discloses a sodium ion exchanger, is provided with the water-locator, and the water-locator includes feed liquor main pipe, liquid distribution cavity, distributor tube spray hole and distributor tube spray hole, the feed liquor main pipe is located water-locator central point department, feed liquor main pipe one end links to each other with the intake manifold of barrel upper portion, the feed liquor main pipe other end is connected with liquid distribution cavity, liquid distribution cavity is the cylinder cavity, the top of liquid distribution cavity links to each other with the feed liquor main pipe, the cylinder side intercommunication of liquid distribution cavity has the distributor tube that is radial, the one end and the liquid distribution cavity intercommunication of distributor tube, the other end of distributor tube is sealed, and all adjacent distributor tubes are connected with the distributor tube between the most distal end apart from liquid distribution cavity for each distributor tube communicates each other.

The layer water distributor in the prior art is of a multi-branch pipe structure, is connected by threads, is easy to loosen, fall off, incline or block, causes uneven water inflow, is easy to cause impact pits on the surface of a resin layer, causes resin mess, affects the regeneration effect and reduces the water production amount.

The publication number is CN106745512B, which discloses a zero discharge device for the regenerated wastewater of the softener of the steam injection boiler of the oil field and a regeneration method thereof, wherein the zero discharge device for the regenerated wastewater of the softener of the steam injection boiler of the oil field comprises a primary softening tank, a secondary softening tank, a sewage treatment station, a brine recovery tank, a brine regeneration device and a pure water tank. The zero discharge device for the regenerated wastewater of the softener of the oil field steam injection boiler and the regeneration method thereof can realize zero discharge of the regenerated wastewater on the premise of realizing regeneration of the primary softening tank and the secondary softening tank, and simultaneously can use backwash drainage, primary normal washing water and secondary normal washing water as water for the softener, thereby avoiding waste of water resources.

The prior art cannot perform uninterrupted operation, and production is stopped during regeneration.

The publication number is CN217297380U, which discloses a sodium ion exchanger for treating high-hardness raw water, comprising a first resin tank, a second resin tank, a rotor flowmeter, an electromagnetic valve assembly, a control box, a first salt tank and a second salt tank, wherein the first salt tank and the second salt tank are communicated with the first resin tank and the second resin tank through salt water inlet pipelines, the rotor flowmeter is arranged on a salt water inlet pipeline, raw water respectively enters the first resin tank, the second resin tank, the first salt tank and the second salt tank through raw water inlet pipelines, soft water produced by the first resin tank and the second resin tank enters a softening water tank through soft water pipelines, and the control box controls salt inlet, cleaning and water production processes through the electromagnetic valve assembly. And glass sight glass is arranged on the first salt tank and the second salt tank.

The endoscope in the prior art is circular, has small observation area and is not beneficial to manually observing the internal running state.

Meanwhile, the document has the problem that the resin tank is filled with resin, the resin needs to be added by manual ascending, and the labor intensity of operation is high.

In summary, the technical scheme of the above disclosed technology, the technical problems to be solved and the beneficial effects are different from those of the present utility model, and the above disclosed technical documents have no technical teaching for more technical features of the present utility model, the technical problems to be solved and the beneficial effects.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a sodium ion exchanger for water treatment of an oilfield steam injection boiler and the steam injection boiler.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

In one aspect, the utility model provides a sodium ion exchanger for water treatment of an oilfield steam injection boiler, which comprises an exchange tank group, wherein at least one exchange tank group is arranged, the exchange tank group comprises at least one exchange tank, a raw water inlet, a negative pressure extraction opening and an exchanger inlet are arranged at the top of a tank body of the exchange tank, and a softened water outlet is arranged at the bottom of the tank body.

Further, the top end of the tank body is provided with a raw water inlet and a negative pressure extraction opening, and the side wall of the upper end of the tank body is provided with an exchanger inlet;

The negative pressure extraction opening is provided with a negative pressure control valve, the top end of the tank body is provided with a water distributor, the water distributor is connected with a raw water inlet, the bottom end of the tank body is provided with a water collector, and the water collector is connected with a softened water outlet.

Further, an inspection manhole is arranged on the side wall of the bottom end of the tank body, and a vertical glass speculum is embedded between the exchanger adding port and the inspection manhole on the side wall of the tank body.

Further, the water distributor comprises a horn-shaped expanding pipe;

Specifically, a split baffle is fixedly connected to an outlet at the lower end of the horn-shaped expanding pipe, and the horn-shaped expanding pipe is connected with the split baffle through a thin rod;

Specifically, a water passing space exists between the diversion baffle and the outlet at the lower end of the trumpet-shaped expanding pipe.

Further, the water collector comprises a single water collecting cap;

Specifically, the single water collecting cap comprises a screen pipe, the lower end of the screen pipe is opened, the upper end of the screen pipe is closed, the outer wall of the lower end of the screen pipe is provided with a connecting flange, and the inner wall of the screen pipe is provided with a reinforcing support framework;

specifically, the softened water outlet is inserted into the tank body, the outer wall of a port of the softened water outlet in the tank body is connected with a mounting flange, and an assembly space is reserved between the mounting flange and the bottom of the tank body;

specifically, the connecting flange and the mounting flange of the single water collecting cap are fixed by bolts and nuts.

Further, the device also comprises a raw water tank, a brine tank and a drainage tank;

Specifically, the raw water tank is communicated with a raw water pump, and an outlet of the raw water pump is communicated with a raw water inlet of the tank body through a liquid inlet pipeline;

Specifically, the drainage box is communicated with a drainage main pipeline, and the drainage main pipeline is communicated with a softened water outlet of the tank body through a drainage branch pipeline;

Specifically, the tank bodies in the exchange tank group are communicated in a tail-to-tail manner to form a forefront raw water inlet and a final softened water outlet;

Specifically, the brine tank is communicated with a brine pump, the outlet of the brine pump is communicated with a brine inlet main pipeline, and the brine inlet main pipeline is communicated with a final softened water outlet through a brine inlet pipeline;

specifically, the final softened water outlet is communicated with a water supply branch pipeline, and the water supply branch pipeline is communicated with a water supply main pipeline;

Specifically, the liquid inlet pipeline, the water drainage main pipeline, the water drainage pipeline, the salt inlet main pipeline, the salt inlet sub pipeline, the water supply pipeline and the water supply main pipeline are all provided with valves.

Further, each two tank bodies of the exchange tank group comprise a primary tank and a secondary tank;

specifically, the softened water outlet of the primary tank is communicated with the raw water inlet of the secondary tank;

Specifically, the softened water outlet of the primary tank is communicated with the outlet of the raw water pump through a backwash pipeline, and the drainage main pipeline is communicated with the raw water inlet of the primary tank through a reverse drainage pipeline;

Specifically, a softened water outlet of the secondary tank is communicated with a salt inlet main pipeline through a salt inlet pipeline;

Specifically, the raw water inlet of the primary tank is communicated with the raw water inlet of the secondary tank through a positive salt inlet pipeline;

Specifically, the backwash pipeline, the reverse drainage pipeline and the forward salt feeding pipeline are all provided with valves.

Further, the exchange tank groups are provided with two groups, including an A group primary tank, an A group secondary tank, a B group primary tank and a B group secondary tank;

Specifically, the salt inlet main pipeline is communicated with the water supply main pipeline through a replacement pipeline, and a valve is arranged on the replacement pipeline;

specifically, a valve on the salt inlet manifold is positioned between the joint of the replacement pipeline and the brine pump.

Further, the first-stage tank of the A group, the second-stage tank of the A group, the first-stage tank of the B group and the second-stage tank of the B group are in diagonal layout, the first-stage tank of the A group is opposite to the first-stage tank of the B group, and the second-stage tank of the A group is opposite to the second-stage tank of the B group.

In two aspects, the invention provides a steam injection boiler, which is connected with the sodium ion exchanger for water supply treatment of the steam injection boiler in the oil field, wherein a water inlet of the steam injection boiler is communicated with a water outlet of a plunger pump of the steam injection boiler, a water inlet of the plunger pump of the steam injection boiler is communicated with a pipeline damper, the pipeline damper is communicated with a water supply main pipeline, and a valve is arranged between the steam injection boiler and the plunger pump of the steam injection boiler.

Further, the pipeline damper comprises a shell, a labyrinth baffle is arranged in the shell, a front flange is arranged at the front end of the shell, and a rear flange is arranged at the rear end of the shell;

Specifically, the labyrinth baffle comprises an upper baffle and a lower baffle, and the upper baffle and the lower baffle are arranged in a staggered manner.

Further, the device also comprises a mobile negative pressure fan exchanger filling device;

Specifically, the mobile negative pressure fan exchanger filling device comprises a negative pressure fan and a feed box;

Specifically, the negative pressure extraction opening is communicated with the negative pressure fan through an extraction hose, and the feed box is communicated with the exchanger adding opening through a feed hose.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model has the advantages of simplest internal structure, more filling resin and large water production amount, and can realize maintenance-free operation.

2. The water distributor is in a horn-shaped expansion pipe, a baffle is welded at the outlet of the expansion pipe, and inflow water is sprayed out from an annular gap between the horn-shaped expansion pipe and the baffle to form hollow spherical water flow, so that the phenomenon that the inflow water impacts the surface of a resin layer to form a pit is prevented, and the resin regeneration effect is poor.

3. According to the utility model, the vertical strip glass-mounting peeping hole is arranged between the resin inlet outside the tank body and the manhole at the lower part of the tank body, so that the height of the resin layer can be conveniently checked, and the observation range is large.

4. The pipeline damper arranged on the flow can eliminate the influence of water hammer and prevent the damage of the water collector.

5. The top end of the outer part of the tank body is provided with the extraction opening for vacuumizing by using the negative pressure fan, and the side upper part is provided with the resin inlet, so that the resin can be conveniently and automatically filled.

6. The utility model has the advantages that the inspection manhole which enters the resin tank is arranged at the lower part of the tank body side, thereby being convenient for inspection.

7. According to the utility model A, B, two groups of maintenance-free resin tanks are optimized by adopting diagonal layout and flow, so that the shortest flow is realized.

Drawings

FIG. 1 is a schematic diagram of a sodium ion exchanger for water treatment of an oilfield steam injection boiler;

FIG. 2 is a diagonal tank distribution diagram in accordance with the present utility model;

FIG. 3 is a schematic view of the structure of a resin tank according to the present utility model;

FIG. 4 is a schematic diagram of a water distributor according to the present utility model

FIG. 5 is a schematic view of the structure of the single water collection cap of the present utility model;

FIG. 6 is a schematic view of a pipe damper according to the present utility model;

FIG. 7 is a schematic diagram of the negative pressure fan exchanger packing apparatus of the present utility model.

1, Raw water tank, 2, raw water pump, 3, A group primary tank, 4, A group secondary tank, 5, B group primary tank, 6, B group secondary tank, 7, water distributor, 8, water collector, 9, brine tank, 10, brine pump, 11, drainage tank, 12, pipeline damper, 12.1, shell, 12.2, front flange, 12.3, rear flange, 13, steam injection boiler plunger pump, 14, steam injection boiler, 15, resin tank, 16, resin layer, 17, raw water inlet, 18, softened water outlet, 19, negative pressure extraction opening, 20, resin inlet, 21, glass speculum, 22, inspection manhole, 23, bell mouth expander, 24, shunt valve, 25, single water collecting cap, 25.1, sieve, 25.2, reinforced support skeleton, 25.3, connecting flange, 26, mounting flange, 27, labyrinth baffle, 27.1, upper baffle, 27.2, lower baffle, 28, negative pressure fan, 29, negative pressure fan, 30, negative pressure feed hose, 31, hose, air exhaust port, 32;

a1, A group valve I, A2, A group valve II, A3, A group valve III, A4, A group valve IV, A5, A group valve V, A6, A group valve V, A7, A group valve V, A8, A group valve V, A9, A group valve V;

The valve comprises a first valve group B1, a second valve group B2, a third valve group B3, a fourth valve group B4, a fifth valve group B5, a sixth valve group B6, a seventh valve group B7, a seventh valve group B8, a eighth valve group B8, a ninth valve group B9 and a ninth valve group B9;

f1, a first control valve, F2, a second control valve, F3, a third control valve, F4, a fourth control valve, F5, a fifth control valve, F6, a sixth control valve, F7 and a seventh control valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

Referring to fig. 1 to 7, the sodium ion exchanger for water supply treatment of an oilfield steam injection boiler provided by the utility model comprises a resin tank 15, wherein the resin tank 15 comprises a tank body, a raw water inlet 17 and a negative pressure extraction opening 19 are arranged at the top end of the tank body, a negative pressure control valve is arranged on the negative pressure extraction opening 19, a resin inlet 20 is arranged on the side wall of the upper end of the tank body, a water distributor 7 is arranged at the top end of the tank body, the water distributor 7 is connected with the raw water inlet 17, a softened water outlet 18 is arranged at the bottom end of the tank body, a water collector 8 is arranged at the bottom end of the tank body, the water collector 8 is connected with the softened water outlet 18, a manhole 22 is arranged on the side wall of the bottom end of the tank body, an inspection cover is arranged on the inspection manhole 22 and used for entering the inside of the resin tank 15 for maintenance, a vertical glass mirror 21 is embedded between the resin inlet 20 and the inspection manhole 22, and the height of a resin layer is convenient to inspect.

Specifically, the water distributor 7 comprises a horn-shaped expansion pipe 23, a split baffle 24 is welded at the outlet of the lower end of the horn-shaped expansion pipe 23, the horn-shaped expansion pipe 23 is connected with the split baffle 24 by using a thin rod in a welded mode, a water passing space is reserved between the split baffle 24 and the outlet of the lower end of the horn-shaped expansion pipe 23, water inlet is sprayed out from an annular water passing space between the horn-shaped expansion pipe 23 and the split baffle 24 to form hollow spherical water flow, the phenomenon that water inlet impacts the surface of the resin layer 16 to form a pit is prevented, the resin regeneration effect is poor, and the water distributor 7 is used for feeding and distributing regenerated brine at the same time, so that function sharing is realized.

Specifically, the water collector 8 comprises a single water collecting cap 25, the single water collecting cap 25 comprises a screen pipe 25.1, the lower end of the screen pipe 25.1 is opened, the upper end of the screen pipe 25.1 is closed, a connecting flange 25.3 is arranged on the outer wall of the lower end of the screen pipe 25.1, a reinforcing supporting framework 25.2 is arranged on the inner wall of the screen pipe 25.1, the single water collecting cap 25 only allows water to pass through but not resin particles to pass through, resin particles are prevented from leaking out, a softened water outlet 18 is inserted into a tank body of the resin tank 15, a mounting flange 26 is welded on the outer wall of a port in the tank body of the softened water outlet 18, an assembly space is reserved between the mounting flange 26 and the bottom of the tank body, the connecting flange 25.3 of the single water collecting cap 25 and the mounting flange 26 are fixed by using bolts and nuts, and the bolts and nuts are made of saline corrosion 316 stainless steel. Preferably, the connecting flange 25.3 and the mounting flange 26 are provided with 8 mounting holes.

The resin tank 15 is provided with at least two groups, each group comprises a primary tank and a secondary tank, and in this embodiment, two groups are provided, including a group A primary tank 3, a group A secondary tank 4, a group B primary tank 5 and a group B secondary tank 6.

The sodium ion exchanger for water supply treatment of the oilfield steam injection boiler further comprises a raw water tank 1, a brine tank 9 and a drainage tank 11, and specifically, the pipeline connection mode is as follows:

The raw water tank 1 is communicated with the raw water pump 2, a raw water inlet 17 of the A-group primary tank 3 is communicated with an outlet of the raw water pump 2 through an A-group primary liquid inlet pipeline, a softened water outlet 18 of the A-group primary tank 3 and a raw water inlet 17 of the A-group secondary tank 4 are communicated with an A-group water supply pipeline, an A-group first valve A1 is arranged on the A-group primary liquid inlet pipeline, an A-group second valve A2 is arranged on the A-group second liquid inlet pipeline, an A-group third valve A3 is arranged on the A-group water supply pipeline, and the A-group first valve A1, the A-group second valve A2 and the A-group third valve A3 are used for controlling liquid feeding and water supply processes.

The softened water outlet 18 of the A-group primary tank 3 is communicated with the outlet of the raw water pump 2 through an A-group backwash pipeline, the drainage tank 11 is communicated with a drainage main pipeline, the drainage main pipeline is communicated with an A-group backwash pipeline used by a raw water inlet 17 of the A-group primary tank 3, an A-group fourth valve A4 is arranged on the A-group backwash pipeline, an A-group fifth valve A5 is arranged on the A-group backwash pipeline, and the A-group fourth valve A4 and the A-group fifth valve A5 are used for controlling backwash flow.

The brine tank 9 is communicated with the brine pump 10, the outlet of the brine pump 10 is communicated with the softened water outlet 18 of the A-group secondary tank 4 through an A-group salt inlet pipeline, the softened water outlet 18 of the A-group primary tank 3 is communicated with a water drainage main pipeline through an A-group primary positive discharge pipeline, the raw water inlet 17 of the A-group primary tank 3 is communicated with the raw water inlet 17 of the A-group secondary tank 4 through an A-group positive salt inlet pipeline, the A-group salt inlet pipeline is provided with an A-group six valve A6, the A-group primary positive discharge pipeline is provided with an A-group seven valve A7, the A-group positive salt inlet pipeline is provided with an A-group eight valve A8, and the A-group six valves A6, the A-group seven valve A7 and the A-group eight valve A8 are used for controlling salt inlet flow.

The softened water outlet 18 of the group A secondary tank 4 is communicated with a drainage main pipeline through a group of secondary positive drain pipelines, a group A nine-valve A9 is arranged on the group of secondary positive drain pipelines, a second control valve F2 is arranged on the main drain pipeline, and a group A seven-valve A7, a group A nine-valve A9 and the second control valve F2 are used for controlling the positive washing flow.

The raw water inlet 17 of the B-group primary tank 3 is communicated with the outlet of the raw water pump 2 through a B-group primary liquid inlet pipeline, the softened water outlet 18 of the B-group primary tank 3 and the raw water inlet 17 of the B-group secondary tank 4 are communicated with a B-group water supply pipeline, the B-group primary liquid inlet pipeline is provided with a B-group first valve B1, the B-group secondary liquid inlet pipeline is provided with a B-group second valve B2, the B-group water supply pipeline is provided with a B-group third valve B3, and the B-group first valve B1, the B-group second valve B2 and the B-group third valve B3 are used for controlling liquid inlet and water supply processes.

The softened water outlet 18 of the B-group primary tank 3 is communicated with the outlet of the raw water pump 2 through a B-group backwash pipeline, the drainage tank 11 is communicated with a drainage main pipeline, the drainage main pipeline is communicated with a B-group backwash pipeline used by the raw water inlet 17 of the B-group primary tank 3, a B-group fourth valve B4 is arranged on the B-group backwash pipeline, a B-group fifth valve B5 is arranged on the B-group backwash pipeline, and the B-group fourth valve B4 and the B-group fifth valve B5 are used for controlling backwash flow.

The brine tank 9 is communicated with a brine pump 10, an outlet of the brine pump 10 is communicated with a softened water outlet 18 of the B-group secondary tank 4 through a B-group salt inlet pipeline, the softened water outlet 18 of the B-group primary tank 3 is communicated with a drainage main pipeline through a B-group primary positive discharge pipeline, a raw water inlet 17 of the B-group primary tank 3 is communicated with a raw water inlet 17 of the B-group secondary tank 4 through a B-group positive salt inlet pipeline, the B-group salt inlet pipeline is provided with a B-group valve B6, the B-group primary positive discharge pipeline is provided with a B-group valve B7, the B-group positive salt inlet pipeline is provided with a B-group valve B8, and the B-group valve B6, the B-group valve B7 and the B-group valve B8 are used for controlling salt inlet flow.

The softened water outlet 18 of the B-group secondary tank 4 is communicated with a drainage main pipeline through a group of secondary positive drain pipelines, a B-group nine-valve B9 is arranged on the group of secondary positive drain pipelines, a second control valve F2 is arranged on the main drain pipeline, and a B-group seven-valve B7, a B-group nine-valve B9 and the second control valve F2 are used for controlling the positive washing flow.

The outlet of the brine pump 10 is provided with a salt inlet main pipeline, the salt inlet pipeline of group A and the salt inlet pipeline of group B are communicated with the salt inlet main pipeline, the water supply pipeline of group A and the water supply pipeline of group B are communicated with the water supply main pipeline, the water supply main pipeline is communicated with the salt inlet main pipeline through a replacement pipeline, a first control valve F1 is arranged on the replacement pipeline, a third control valve F3 is arranged between the joint of the salt inlet main pipeline and the brine pump 10, and the first control valve F1 is used for controlling a replacement process.

The negative pressure control valve of the first-stage tank 3 of the group A is a fifth control valve F5, the negative pressure control valve of the second-stage tank 4 of the group A is a sixth control valve F6, the negative pressure control valve of the first-stage tank 5 of the group B is a seventh control valve F7, and the negative pressure control valve of the second-stage tank 6 of the group B is an eighth control valve F8.

Preferably, all valves are solenoid valves, and all pumps are electrically driven pumps, so that automatic control is facilitated.

Preferably, all pipelines, all valves, the resin tank 15, the water distributor 7 and the water collector 8 are made of 316L stainless steel with brine corrosion resistance.

Preferably, when only the first-stage tank 3 of group A, the second-stage tank 4 of group A, the first-stage tank 5 of group B and the second-stage tank 6 of group B are arranged, 4 resin tanks 15 are in diagonal layout, the first-stage tank 3 of group A is opposite to the first-stage tank 5 of group B, the second-stage tank 4 of group A is opposite to the second-stage tank 6 of group B, as shown in figure 2, the shortest flow, sharing and least control valve are realized, and one group operates the other group for regeneration standby when in use.

Example 2:

The embodiment provides a steam injection boiler, the steam injection boiler 14 is connected with an oilfield steam injection boiler water supply treatment sodium ion exchanger according to embodiment 1, a water inlet of the steam injection boiler 14 is communicated with a water outlet of a steam injection boiler plunger pump 13, a water inlet of the steam injection boiler plunger pump 13 is communicated with a pipeline damper 12, the pipeline damper 12 is communicated with a water supply main pipeline, and a fourth control valve F4 is arranged between the steam injection boiler 14 and the steam injection boiler plunger pump 13.

Specifically, the pipeline damper 12 comprises a shell 12.1, a labyrinth baffle 27 is arranged in the shell 12.1, a front flange 12.2 is arranged at the front end of the shell 12.1, a rear flange 12.3 is arranged at the rear end of the shell 12.1, the labyrinth baffle 27 comprises an upper baffle 27.1 and a lower baffle 27.2, the upper baffle 27.1 and the lower baffle 27.2 are arranged in a staggered mode, and the labyrinth baffle 27 can effectively prevent water hammer impact generated by the water absorption characteristic of the plunger pump 13 of the steam injection boiler, reduce shock waves and prevent the water collector 8 from being damaged.

The resin filling device of the movable negative pressure fan comprises a negative pressure fan 29 and a material box 30, wherein the negative pressure extraction opening 19 is communicated with the negative pressure fan 29 through an extraction hose 32, the material box 30 is communicated with the resin inlet 20 through a feeding hose 31, resin is sucked into the resin tank 15 through negative pressure, the negative pressure extraction opening 19 is connected with the extraction hose 32, the resin inlet 20 is connected with the feeding hose 31 through a quick connector, the disassembly and the quick connection are convenient, and materials in the material box 30 are a mixture of resin particles and dilute brine, so that the resin particles can be prevented from being broken in the suction and transportation process.

Example 3:

On the basis of the embodiment 2, the embodiment provides a use method of a sodium ion exchanger for water treatment of an oilfield steam injection boiler, taking the operation of a group A resin tank as an example, comprising the following steps:

S1, raw water in a raw water tank 1 is pressurized by a raw water pump 2, enters a raw water inlet 17 of an A-group primary tank 3 through an A-group first valve A1, enters a water distributor 7, is sprayed out through an annular gap between a bell-mouth expanding pipe 23 and a split baffle 24 to form spherical water flow, so that the phenomenon that a pit appears on the surface of a resin layer 16, the resin layer 16 flows through a sodium ion exchanger and descends to the bottom of the A-group primary tank 3, a displacement reaction can occur in the process, calcium and magnesium ions capable of forming hardness are removed, softened water meeting the standard is obtained, the softened water passes through a water collector 8 at the bottom of the A-group primary tank 3 under the pressure head of the raw water pump 2, and a single water collecting cap 25 only allows water to pass but not resin particles to pass, so that the resin particles are prevented from leaking out.

And then enters the raw water inlet 17 of the group A secondary tank 4 through the group A valve A2, softened water enters the water distributor 7, is sprayed out through an annular gap between the bell-mouth expander 23 and the split baffle 24 to form spherical water flow, so that the surface of the resin layer 16 is prevented from sinking, the water flows through the sodium ion exchanger resin layer 16 to descend to the bottom of the group A secondary tank 4, substitution reaction can occur in the process, calcium and magnesium ions which possibly occur in the softened water and can form hardness (hard leakage) are removed, the softened water meeting the standard is obtained, the safety effect is achieved, and only water is allowed to pass through the water collector 8 at the bottom of the group A secondary tank 4 without allowing resin particles to pass, and the leakage of the resin particles is prevented.

The softened water continuously enters the pipeline damper 12 and the steam injection boiler plunger pump 13 through the valve A3 of the group A, and the pipeline damper 12 can effectively prevent the water hammer impact generated by the steam injection boiler plunger pump 13, reduce the shock wave and prevent the water hammer effect from damaging the water collector 8 in the resin tank 15.

The softened water is pressurized by a plunger pump 13 of the steam injection boiler and enters the steam injection boiler 14 of the oil field.

The entire operation can be observed through the glass speculum 21.

The whole operation process is realized by a PLC controller in local and remote control, the operation is stable, the operation is simple, the maintenance-free operation is realized, the PLC controller is a programmable controller which can be purchased by a person skilled in the art, and the PLC controller is electrically connected with all electromagnetic valves and pumps and then programmed and controlled according to the method.

Example 4:

on the basis of the embodiment 2, the embodiment provides a regeneration method of a sodium ion exchanger for water treatment of an oilfield steam injection boiler.

When the maintenance-free sodium ion exchanger for water treatment of the oilfield steam injection boiler is used, the A group resin tanks and the B group resin tanks alternately operate, namely, when the A group resin tanks are in an operating state, the B group resin tanks are in a regeneration state, and vice versa.

Specifically, taking regeneration of the resin tank B as an example, the regeneration operation process is divided into 6 steps of backwashing, salt feeding, sedimentation, replacement, primary forward washing and secondary forward washing.

The raw water in the raw water tank 1 is pressurized by the raw water pump 2, enters the water collector 8 at the bottom of the primary tank 5 of the group B through the valve B4 of the group B, reversely passes through the resin layer 16 through the single water collecting cap 25, enters the total drainage pipeline through the water distributor 7 and the valve B5 of the group B, and flows into the drainage tank 11 through the second control valve F2. The resin can be loosened, suspended matters, sediment and other impurities accumulated in the resin layer 16 can be removed, and the resin particles are ready for contacting with the brine. Backwash is terminated by clear and transparent drain water.

After the back washing is finished, the dilute brine in the brine tank 9 is pressurized by the brine pump 10, enters the water collector 8 at the bottom of the B-group secondary tank 6 through the B-group sixth valve B6, reversely passes through the resin layer 16 through the single water collecting cap 25, enters the water distributor 7 at the top of the B-group primary tank 5 through the B-group eighth valve B8, is sprayed out through the annular gap between the bell mouth expanding tube 23 and the split baffle 24, slowly flows through the sodium ion exchanger resin layer 16 to drop to the bottom of the B-group primary tank 5, can undergo displacement reaction in the process, recovers the exchange capacity of the sodium ion exchanger, enters the total drainage pipeline through the B-group seventh valve B7 and flows into the drainage tank 11 through the second control valve F2. The salt intake was terminated by a salt content of 7% in the discharged water.

And (3) settling, namely after salt feeding is finished, all valves are in a closed state, and the valves are stopped and soaked for a period of time, so that the brine and resin particles are fully subjected to displacement reaction, and the brine utilization rate is improved. Settling time is typically 20 minutes.

Replacement, namely reverse process of salt feeding. After sedimentation is finished, the first control valve F1 is opened, softened water of the group A secondary tank 4 enters the bottom water collector 8 of the group B secondary tank 6 through the group B valve B6, reversely passes through the resin layer 16 through the single water collecting cap 25, then enters the water distributor 7 at the top of the group B primary tank 5 through the group B valve B8, is sprayed out through an annular gap between the bell mouth expanding tube 23 and the split baffle 24, slowly flows through the sodium ion exchanger resin layer 16 to descend to the bottom of the group B primary tank 5, then enters the total drainage pipeline through the group B valve B7, and flows into the drainage tank 11 through the second control valve F2. The purpose is to use the softened water to slowly advance the brine into the resin layer 16, increasing the brine utilization. Replacement to remove salt content of water less than or equal to 1.5 percent is used as a terminal point.

Raw water in the raw water tank 1 is pressurized by the raw water pump 2, enters the water distributor 7 at the top of the group B primary tank 5 through the group B valve B1, is sprayed out through an annular gap between the bell-mouth expander 23 and the split baffle 24, flows through the sodium ion exchanger resin layer 16 to the bottom of the group B primary tank 5, enters the 11 # electric valve on the main drain pipe through the group B valve B7 through the bottom water collector 8, and flows into the drain tank 11. The purpose is to wash out the residual brine and the calcium and magnesium ions which have been exchanged out. Primary positive washing to discharge water the hardness is less than or equal to 20mg/L as the end point.

The second-stage forward washing is that raw water in a raw water tank 1 is pressurized by a raw water pump 2, enters a water distributor 7 at the top of a first-stage tank 5 of the B group through a valve B1 of the B group, is sprayed out through an annular gap between a bell mouth expander 23 and a diversion baffle 24, flows through a sodium ion exchanger resin layer 16 to the bottom of the first-stage tank 5 of the B group, passes through a bottom water collector 8, enters the water distributor 7 at the top of a second-stage tank 6 of the B group through a valve B2 of the B group, is sprayed out through an annular gap between the bell mouth expander 23 and the diversion baffle 24, flows through a sodium ion exchanger resin layer 16 to the bottom of the second-stage tank 6 of the B group, passes through an outlet of the bottom water collector 8, enters a total drainage pipeline through a valve B9 of the B group, and flows into a drainage tank 11 through a second control valve F2. The purpose is to wash out the residual calcium and magnesium ions. Secondary positive washing to discharge water the hardness is less than or equal to 0.1mg/L as the end point.

The entire regeneration process can be observed for status through the glass speculum 21.

Example 5:

On the basis of the embodiment 2, the embodiment provides a filling method of a sodium ion exchanger for water treatment of an oilfield steam injection boiler, which comprises the following steps:

When the resin negative pressure filling function of the sodium ion exchanger is used for water treatment of the oilfield steam injection boiler, the movable negative pressure fan 29 is used for filling.

When filling resin, the suction hose 32 is connected to the negative pressure suction port 19, and the wire feed hose 31 is connected to the resin inlet 20.

The negative pressure fan 29 is used for continuously pumping air from the negative pressure pumping hole 19, the air in the resin tank 15 can be discharged from the negative pressure fan exhaust hole 28 along the pumping hose 32, so that a negative pressure vacuum state is formed in the resin tank 15, resin particles can enter the resin inlet 20 along the feeding hose 31 from the feed box 30 and fall into the resin tank 15 until the resin layer 16 is observed to be filled to a specified height through the glass speculum 21, and the resin layer can be 1/2 of the glass speculum.

The parts themselves which are not discussed in the application and the connection modes of the parts in the application all belong to the known technology in the technical field. The preparation can be directly applied and is not repeated.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, as they are used in a fixed or removable connection, or as they are integral with one another, as they are directly or indirectly connected through intervening media. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (12)

1. The utility model provides an oil field steam injection boiler feedwater treatment sodium ion exchanger, includes exchange tank group, its characterized in that, exchange tank group sets up at least one set of, exchange tank group includes at least one exchange tank, the jar body top of exchange tank sets up raw water inlet, negative pressure extraction opening, exchanger inlet, jar body bottom sets up the softened water export.

2. The sodium ion exchanger for water supply treatment of the oilfield steam injection boiler according to claim 1, wherein the top end of the tank body is provided with a raw water inlet and a negative pressure extraction opening, and the side wall of the upper end of the tank body is provided with an exchanger inlet;

the negative pressure extraction opening is provided with a negative pressure control valve, the top end of the tank body is provided with a water distributor which is connected with the raw water inlet, the bottom end of the tank body is provided with a water collector which is connected with the softened water outlet.

3. The sodium ion exchanger for water treatment of an oilfield steam injection boiler according to claim 2, wherein the side wall of the bottom end of the tank body is provided with an inspection manhole, and a vertically installed glass sight glass is embedded between the exchanger adding port and the inspection manhole.

4. An oilfield steam injection boiler feedwater treatment sodium ion exchanger according to claim 2, wherein the water distributor comprises a flared tube;

The outlet of the lower end of the horn-shaped expanding pipe is fixedly connected with a diversion baffle, and the horn-shaped expanding pipe is connected with the diversion baffle by using a thin rod;

and a water passing space is formed between the diversion baffle and the outlet at the lower end of the horn-shaped expanding pipe.

5. An oilfield steam injection boiler feedwater treatment sodium ion exchanger of claim 2, wherein the water collector comprises a single water collection cap;

the single water collecting cap comprises a screen pipe, the lower end of the screen pipe is open, the upper end of the screen pipe is closed, the outer wall of the lower end of the screen pipe is provided with a connecting flange, and the inner wall of the screen pipe is provided with a reinforcing support framework;

The softened water outlet is inserted into the tank body, the outer wall of a port of the softened water outlet in the tank body is connected with a mounting flange, and an assembly space is reserved between the mounting flange and the bottom of the tank body;

the connecting flange and the mounting flange of the single water collecting cap are fixed by bolts and nuts.

6. The sodium ion exchanger for water treatment of an oilfield steam injection boiler according to claim 1, further comprising a raw water tank, a brine tank, and a drain tank;

the raw water tank is communicated with a raw water pump, and an outlet of the raw water pump is communicated with a raw water inlet of the tank body through a liquid inlet pipeline;

The drainage tank is communicated with a drainage main pipeline, and the drainage main pipeline is communicated with a softened water outlet of the tank body through a drainage branch pipeline;

The tank bodies in the exchange tank group are communicated in a tail-to-tail manner to form a forefront raw water inlet and a final softened water outlet;

The brine tank is communicated with a brine pump, the outlet of the brine pump is communicated with a brine inlet main pipeline, and the brine inlet main pipeline is communicated with a final softened water outlet through a brine inlet pipeline;

The final softened water outlet is communicated with a water supply branch pipeline which is communicated with a water supply main pipeline;

Valves are arranged on the liquid inlet pipeline, the water drainage main pipeline, the water drainage pipeline, the salt inlet main pipeline, the salt inlet sub pipeline, the water supply main pipeline and the water supply main pipeline.

7. The sodium ion exchanger for water treatment of an oilfield steam injection boiler according to claim 6, wherein each two tank bodies of the exchange tank group comprise a primary tank and a secondary tank;

the softened water outlet of the primary tank is communicated with the raw water inlet of the secondary tank;

The softened water outlet of the primary tank is communicated with the outlet of the raw water pump through a backwash pipeline, and the drainage main pipeline is communicated with the raw water inlet of the primary tank through a backwash pipeline;

the softened water outlet of the secondary tank is communicated with the salt inlet main pipeline through a salt inlet branch pipeline;

The raw water inlet of the primary tank is communicated with the raw water inlet of the secondary tank through a positive salt inlet pipeline;

valves are arranged on the backwash pipeline, the reverse drainage pipeline and the forward salt feeding pipeline.

8. The sodium ion exchanger for water treatment of an oilfield steam injection boiler according to claim 7, wherein the two groups of exchange tanks comprise a group A primary tank, a group A secondary tank, a group B primary tank and a group B secondary tank;

the salt inlet main pipeline is communicated with the water supply main pipeline through a replacement pipeline, and a valve is arranged on the replacement pipeline;

Valve on the salt inlet manifold is positioned between the joint of the replacement pipeline and the brine pump.

9. The sodium ion exchanger for feedwater treatment of an oilfield steam injection boiler of claim 8, wherein the group a primary tanks, the group a secondary tanks, the group B primary tanks, and the group B secondary tanks are diagonally arranged, wherein the group a primary tanks are opposite to the group B primary tanks, and wherein the group a secondary tanks are opposite to the group B secondary tanks.

10. A steam injection boiler, characterized in that the steam injection boiler is connected with a water supply treatment sodium ion exchanger of an oilfield steam injection boiler according to claim 6;

The water inlet of the steam injection boiler is communicated with the water outlet of the plunger pump of the steam injection boiler;

the water inlet of the plunger pump of the steam injection boiler is communicated with the pipeline damper;

The pipeline damper is communicated with a water supply main pipeline, and a valve is arranged between the steam injection boiler and the plunger pump of the steam injection boiler.

11. The steam injection boiler of claim 10, wherein the pipeline damper comprises a housing, a labyrinth plate is arranged in the housing, a front flange is arranged at the front end of the housing, and a rear flange is arranged at the rear end of the housing;

the labyrinth baffle comprises an upper baffle and a lower baffle, and the upper baffle and the lower baffle are arranged in a staggered manner.

12. The steam injection boiler of claim 10, further comprising a mobile negative pressure fan exchanger packing device;

the mobile negative pressure fan exchanger filling device comprises a negative pressure fan and a feed box;

The negative pressure extraction opening is communicated with the negative pressure fan through an extraction hose, and the feed box is communicated with the exchanger adding opening through a feed hose.