CN213901079U - Skid-mounted outer frame for injection type combustion device - Google Patents

Abstract

The utility model provides an injection type is sled dress frame for burner for fixed injection type burner, sled dress frame is including the last sled body and the lower sled body that can dismantle the connection, go up the sled body with the lower sled body is fixed a position through two at least locating pins, go up the sled body with the lower sled body passes through fastening bolt fixed connection. The skid-mounted outer frame for the injection type combustion device is designed into an upper skid body and a lower skid body which are detachably connected, so that the split transportation is convenient; the upper pry body and the lower pry body are positioned by positioning pins, and the positioning pins assist in positioning and mounting; fastening bolts are adopted for connection to realize locking; thereby achieving the purposes of accurate positioning, firm fixation and convenient disassembly.

Description

Skid-mounted outer frame for injection type combustion device

Technical Field

The utility model relates to an injection type burner especially relates to an injection type burner is with sled dress frame.

Background

In a petrochemical device, the emptying torch system can timely treat redundant, harmful and unbalanced waste gas discharged in a production device, and can treat unqualified gas generated during test run and start and stop and a large amount of gas instantaneously discharged during accidents, so that the normal and safe operation of the device is ensured.

The venting flare system generally adopts an injection type combustion device which comprises a plurality of layers of Venturi combustors for combusting gas. Several layers of shields are arranged around the venturi burners to form a flame chamber to shield heat radiation. According to the combustion amount, the injection type combustion device can be as high as 10 meters, the diameter is nearly 3 meters, and therefore, the injection type combustion device is difficult to transport and fix.

The utility model discloses a transportation and the fixed problem of injection type burner have been solved with low costs to the utilization sled dress frame in chinese utility model patent No. 201521004616.2 "injection type burner's sled dress structure". The utility model discloses an it designs into can dismantle the upper and lower two parts of connection to have announced in "injection type burner is with sled dress frame" in the chinese utility model patent No. 201620728488.4, and upper and lower two parts utilize the connecting pin to connect, are convenient for injection type burner's the transportation and the components of a whole that can function independently transportation of sled dress structure. Because the sled dress frame size is great, consequently the connection between two parts needs the location accuracy, fixed firm about sled dress, in addition, also need satisfy easy dismounting requirement, facilitate for equipment and dismantlement.

Disclosure of Invention

In view of this, the utility model provides an injection type burner is with sled dress frame, the components of a whole that can function independently of sled dress frame between the part of a whole that can function independently position accurate, fixed firm.

The utility model provides an injection type is sled dress frame for burner for fixed injection type burner, sled dress frame is including the last sled body and the lower sled body that can dismantle the connection, go up the sled body with the lower sled body is fixed a position through two at least locating pins, go up the sled body with the lower sled body passes through fastening bolt fixed connection.

In one embodiment, the upper pry body comprises a plurality of upper vertical beams arranged in parallel and an upper cross beam connecting two adjacent upper vertical beams, the upper cross beam is provided with a plurality of layers at intervals in the length direction of the upper vertical beams, and the upper cross beam in each layer encloses a closed polygon; the lower prying body comprises a plurality of lower vertical beams arranged in parallel and a lower cross beam for connecting two adjacent lower vertical beams, the lower cross beam is arranged in multiple layers at intervals in the length direction of the lower vertical beams, and the lower cross beam in each layer encloses a closed polygon; the positioning pin is vertically arranged between the lower end of the upper vertical beam and the upper end of the lower vertical beam.

In an embodiment, each the lower extreme of erecting the roof beam on is equipped with the upper corner fitting, each the upper end of erecting the roof beam down is equipped with down the corner fitting, the lower terminal surface of upper corner fitting and the lower terminal surface parallel and level of the entablature of lower floor, the up end of lower corner fitting and the superiors the upper end parallel and level of lower beam, the locating pin sets up the upper corner fitting with correspond between the lower corner fitting, fastening bolt assembles at the lower floor the entablature with the superiors on the lower beam.

In one embodiment, the locating pin comprises an upper locating pin part, a lower locating pin part and a middle limit support flange, the upper locating pin part is matched with a corresponding hole in the upper corner piece, the lower locating pin part and the limit support flange are matched with a corresponding stepped hole in the lower corner piece, and the diameter of the limit support flange is larger than that of the upper locating pin part and that of the lower locating pin part.

In one embodiment, a reinforcing plate with holes is arranged above the upper cross beam and below the corresponding lower cross beam at the mounting positions of the fastening bolts, and the fastening bolts penetrate through the reinforcing plate to lock the corresponding upper cross beam and the corresponding lower cross beam.

In one embodiment, the fastening bolt is installed on the upper cross beam and the corresponding lower cross beam close to the positioning pin, and comprises a screw rod with a cap, a nut, a flat gasket and a spring gasket, wherein the screw rod with the cap penetrates through the flat gasket and the reinforcing plate, then sequentially penetrates through corresponding bolt installation holes in the upper cross beam and the lower cross beam, and then penetrates through the reinforcing plate, the flat gasket and the spring gasket and is locked by the nut.

In an embodiment, the upper pry body includes four upper vertical beams arranged in a square array, the lower pry body includes four lower vertical beams arranged in a square array, the positioning pin is disposed between the upper corner piece and the lower corner piece at a diagonal, and the fastening bolt is disposed on both sides of the upper vertical beams and the lower vertical beams.

In one embodiment, two ends of each upper cross beam are connected in an inclined manner by an upper inclined strut, and two ends of each lower cross beam are connected in an inclined manner by a lower inclined strut; on one side face of the skid-mounted outer frame, the upper diagonal brace and the lower diagonal brace which are close to each other form a triangle with the upper vertical beam and the lower vertical beam which are aligned up and down, the two close upper diagonal braces and the upper vertical beam form a triangle, and the two close lower diagonal braces and the lower vertical beam form a triangle.

In one embodiment, an included angle formed between every two adjacent upper cross beams in the upper cross beam at the lowest layer is formed by obliquely connecting an upper corner brace rod to form a triangle; an included angle formed between every two adjacent lower cross beams in the lower cross beam on the uppermost layer is formed by obliquely connecting a lower angle brace rod to form a triangle; the fastening bolt is connected with the upper cross beam at the lowest layer and the lower cross beam at the corresponding uppermost layer in the up-down direction, and the mounting position of the fastening bolt is positioned on the edges of the triangle formed by the upper corner supporting rods and the lower corner supporting rods.

In one embodiment, the lower pry body is provided with a layer of lower transverse supporting rods below the lower cross beam at the uppermost layer, and the lower transverse supporting rods surround to form a closed polygon.

To sum up, the utility model provides an injection type is skid-mounted frame for burner has following beneficial effect at least: the skid-mounted outer frame is designed into an upper skid body and a lower skid body which are detachably connected, so that the skid-mounted outer frame is convenient for split transportation; the upper pry body and the lower pry body are positioned by positioning pins, and the positioning pins assist in positioning and mounting; fastening bolts are adopted for connection to realize locking; the upper prying body and the lower prying body are provided with corner pieces on the end surfaces of the vertical beams, so that the upper corner pieces are in full contact connection with the lower corner pieces and the upper cross beam is in full contact connection with the lower cross beam on the butt joint surface of the upper prying body and the lower prying body; the upper cross beam and the lower cross beam are provided with reinforcing plates at the positions where the fastening bolts are installed, so that structural reinforcement is carried out at the bolt installation holes.

Drawings

Fig. 1 is a schematic perspective view of a skid-mounted outer frame for an injection type combustion apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a schematic top view of the skid frame of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a schematic cross-sectional view taken along the line C-C in FIG. 2;

FIG. 6 is an enlarged view of portion I of FIG. 3;

FIG. 7 is an enlarged view of section II of FIG. 3;

FIG. 8 is an enlarged view of section III of FIG. 4;

FIG. 9 is an enlarged view of portion IV of FIG. 4;

FIG. 10 is an enlarged view of portion V of FIG. 5;

FIG. 11 is an enlarged view of section VI of FIG. 5;

FIG. 12 is an enlarged sectional view of the positioning pin of the skid-mounted outer frame for the injection type combustion apparatus shown in FIG. 1;

FIG. 13 is an enlarged view of the skid-mounted frame for the injection type combustion apparatus shown in FIG. 1 at fastening bolts;

fig. 14 is a schematic perspective view of a skid-mounted outer frame for an injection type combustion apparatus according to another preferred embodiment of the present invention.

The elements in the figures are numbered as follows: an upper pry body 10 (wherein, an upper vertical beam 11, an upper cross beam 12, an upper diagonal brace 13, an upper corner brace 14 and an upper corner member 15); a lower pry body 20 (among them, a lower vertical beam 21, a lower cross beam 22, a lower diagonal brace 23, a lower corner brace 24, a lower corner fitting 25, a lower lateral brace 26); a locating pin 30 (wherein, the locating pin upper part 31, the locating pin lower part 32, the limit support flange 33); a fastening bolt 40 (among them, a cap screw 41, a nut 42, a flat washer 43, a spring washer 44); a reinforcing plate 50.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1, the utility model provides an injection type burner is with sled dress frame, including the last sled body 10 and the lower sled body 20 that can dismantle the connection, injection type burner installs in sled dress frame. The upper pry body 10 and the lower pry body 20 are fixedly connected by a positioning pin 30 and a fastening bolt 40. The prying outer frame is in a rectangular frame structure, and of course, in other embodiments, the prying outer frame can be provided as a frame in other shapes as required.

It should be understood that the skid-mounted frame is divided into an upper portion and a lower portion in the illustrated embodiment, and the skid-mounted frame may be designed into a split structure with more than two portions according to actual requirements in different applications.

Referring to fig. 2 to 5, the upper pry 10 includes four upper vertical beams 11, the upper vertical beams 11 are parallel to the axial direction of the injection type combustion apparatus, a plurality of upper cross beams 12 vertically connected between any two adjacent upper vertical beams 11 are disposed between the upper vertical beams 11, and the upper cross beams 12 may be arranged in multiple layers. In the illustrated embodiment, the top rail 12 is shown in only two layers, each layer having four top rails 12, the four top rails 12 of each layer enclosing to form a square. The upper vertical beams 11 and the upper beam 12 enclose a rectangular upper pry 10 for receiving a portion of the structure for fixing the induction type combustion apparatus, for example, the uppermost shield of the shields.

In the illustrated embodiment, the upper vertical beams 11 and the upper horizontal beams 12 are made of a square tube having a length × width × thickness of 150mm × 150mmm × 6 mm.

Two ends of the upper cross beam 12 which are adjacent up and down are connected obliquely by adopting an upper inclined stay bar 13 to form a Z-shaped structure, so that the longitudinal structure is strengthened. In the illustrated embodiment, the upper diagonal stay 13 is provided on both opposite sides of the upper pry body 10; in other embodiments, the upper pry body 10 may also be provided with upper inclined supporting rods 13 on three sides or four sides to connect the ends of two upper cross beams 12 adjacent to each other up and down.

In order to increase the structural strength of the joint of the upper pry body 10 and the lower pry body 20, an upper corner brace 14 is arranged between every two adjacent upper cross beams 12 at the lowest layer of the upper pry body 10, the upper corner brace 14 is obliquely connected with an included angle (right angle) formed by the two adjacent upper cross beams 12, and a triangle is formed at the four corners of the rectangle formed by the upper cross beams 12 at the lowest layer. Thus, the strength of the rectangular frame surrounded by the upper cross beam 12 at the lowest layer is improved, and the strength of the rectangular frame connected with the lower prying body 20 and the whole rectangular frame is enhanced.

Because the upper vertical beams 11 are made of square tubes, in order to seal the lower end faces of the upper vertical beams 11 and increase the contact area when the upper pry body 10 is connected with the lower pry body 20 up and down, the lower end of each upper vertical beam 11 is provided with an upper corner piece 15, and the upper corner pieces 15 block the lower end face openings of the upper vertical beams 11. The lower end face of the upper corner piece 15 is flush with the lower end face of the upper cross beam 12 of the lowermost layer.

It should be understood that the two layers of the upper cross beam 12 are provided in this embodiment, and in other embodiments, other layers may be provided according to design requirements, and the distances between two adjacent layers of the upper cross beam 12 in the axial direction of the injection type combustion apparatus are equal.

The lower prying body 20 comprises four lower vertical beams 21, the lower vertical beams 21 are parallel to the axial direction of the injection type combustion device and are collinear with the upper vertical beams 11, a plurality of lower cross beams 22 which are vertically connected between any two adjacent lower vertical beams 21 are arranged between the lower vertical beams 21, and the lower cross beams 22 are arranged into a plurality of layers. In the illustrated embodiment, the lower beams 22 are shown in only two layers, each layer having four lower beams 22, the four lower beams 22 of each layer enclosing to form a square. The lower vertical beams 21 and the lower cross beams 22 enclose a rectangular lower pry 20 for receiving a portion of the structure for fixing the injection type combustion apparatus, for example, the remaining shield except the uppermost shield.

In the illustrated embodiment, the lower vertical beams 21 and the lower cross beams 22 are made of a square tube having a length × width × thickness of 150mm × 150mmm × 6 mm.

Similarly, two lower beams 22 adjacent to each other up and down are connected with each other obliquely by lower oblique stay bars 23 to form a Z-shaped structure, so that the longitudinal structure is reinforced. In the illustrated embodiment, the lower sprag 23 is provided on both opposite sides of the lower pry body 20; in other embodiments, the lower pry body 20 may be provided with the upper inclined supporting rod 13 on three sides or four sides to connect the ends of two lower cross beams 22 adjacent to each other up and down.

In order to increase the structural strength of the joint between the upper pry body 10 and the lower pry body 20, a lower angle brace 24 is arranged between every two adjacent lower cross beams 22 on the uppermost layer of the lower pry body 20, the lower angle brace 24 is obliquely connected with an included angle (right angle) formed by the two adjacent lower cross beams 22, and a triangle is formed at four corners of a rectangle formed by the lower cross beam 22 on the lowermost layer. Thus, the strength of the rectangular frame surrounded by the lower cross beam 22 at the lowest layer is improved, and the strength of the rectangular frame connected with the upper prying body 10 and the whole rectangular frame is enhanced.

Because the lower vertical beams 21 are made of square tubes, in order to seal the upper end surfaces of the lower vertical beams 21 and increase the contact area when the upper pry body 10 is connected with the lower pry body 20 up and down, the upper end of each lower vertical beam 21 is provided with a lower corner piece 25, and the lower corner piece 25 blocks the opening of the upper end surface of the lower vertical beam 11. The upper end face of the lower corner fitting 25 is flush with the upper end of the uppermost lower cross member 22.

It should be understood that the lower cross beams 22 are provided in two layers in this embodiment, which is only an example, and in other embodiments, the lower cross beams 22 may be provided in other layers according to design requirements, and the distances between two adjacent layers of lower cross beams 22 in the axial direction of the injection type combustion apparatus are equal.

Further, since the lower pry 20 needs to bear the weight of the upper pry 10, a layer of lower cross bar 26 is arranged below the uppermost lower beam 22 of the lower pry 20, each layer has four lower cross bars 26, and the four lower cross bars 26 of each layer surround to form a square, so that the part close to the uppermost lower cross bar 26 is further structurally reinforced. It should be noted that, a layer of lower transverse brace 26 may be arranged below the uppermost lower cross beam 22 of the lower pry 20, or multiple layers of lower transverse braces 26 may be arranged on the lower pry 20 as needed, and four lower transverse braces 26 of each layer surround to form a square.

As shown in fig. 6 to 13, the upper and lower pry bodies 10 and 20 are positioned up and down by the positioning pin 30.

The positioning pin 30 comprises an upper positioning pin part 31, a lower positioning pin part 32 and a middle limit support flange 33, wherein the upper positioning pin part 31 is matched with the upper corner piece 15 of the upper vertical beam 11 of the upper pry body 10, and the lower positioning pin part 32 is matched with the lower corner piece 15 of the lower vertical beam 21 of the lower pry body 20. Specifically, the upper vertical beam 11 and the lower vertical beam 21 of the prying outer frame are designed to be hollow structures, and the upper part 31 of the locating pin is inserted into the upper corner piece 15 at the lower end of the upper vertical beam 11 of the upper prying body 10 and is matched with a corresponding hole on the upper corner piece; the lower locating pin portions 32 and the position limiting support flanges 33 are inserted into the lower corner pieces 25 at the upper ends of the lower vertical beams 21 of the lower pry body 20 and are engaged with the stepped holes thereon. The lower positioning pin part 32 enables the lower end of the positioning pin 30 to be positioned on the corresponding lower corner piece 25, and the limit support flange 33 is a part with a diameter larger than the upper positioning pin part 31 and the lower positioning pin part 32, so that the positioning pin 30 is stably positioned in the corresponding lower corner piece 25, the strength of the positioning pin 30 and the contact area with the lower corner piece 25 can be increased, and better support and alignment are provided for the upper pry body 10 to be positioned on the lower pry body 20.

In the illustrated embodiment, two positioning pins 30 are provided diagonally to position the upper pry body 10 to the lower pry body 20; the positioning pin 30 is 80mm in diameter and 100mm long.

As shown in fig. 6 to 13, the upper pry body 10 and the lower pry body 20 are fixed by a fastening bolt 40.

Bolt mounting holes for mounting the fastening bolts 40 are correspondingly formed in the lowermost upper beam 12 of the upper pry body 10 and the uppermost lower beam 22 of the lower pry body 20, and the fastening bolts 40 are mounted in the corresponding bolt mounting holes to lock and fix the upper beam 22 and the lower beam 22 (i.e., the upper pry body 10 and the lower pry body 20).

In the illustrated embodiment, each upper beam 12 of the lowermost layer of the upper pry body 10 and each lower beam 22 of the uppermost layer of the corresponding lower pry body 20 are respectively provided with a bolt mounting hole near both ends, i.e., each upper beam 12 of the lowermost layer of the upper pry body 10 and each lower beam 22 of the uppermost layer of the corresponding lower pry body 20 are respectively fastened and fixed by two fastening bolts 40.

Because the upper cross member 12 and the lower cross member 22 are hollow, in order to ensure the locking strength of the fastening bolt 40 and reduce the stress on the upper cross member 12 and the lower cross member 22, a reinforcing plate 50 with holes is respectively arranged above and below the corresponding bolt mounting holes (above the upper cross member 12 and below the lower cross member 22), so that two ends of the fastening bolt 40 are in contact with the reinforcing plate 50 and do not directly act on the upper cross member 12 and the lower cross member 22.

Specifically, each fastening bolt 40 includes a cap screw 41, a nut 42, a flat washer 43 and a spring washer 44, the cap screw 41 penetrates through a flat washer 43 and a reinforcing plate 50 and then sequentially penetrates through corresponding bolt mounting holes on the upper cross beam 12 and the lower cross beam 22, and the end of the cap screw 41 penetrates through the reinforcing plate 50 and penetrates through a flat washer 43 and a spring washer 44 and then is locked by the nut 42.

In the illustrated embodiment, the fastening bolts 40 are installed on the upper cross member 12 and the corresponding lower cross member 22 near the positioning pins 30, the fastening bolts 40 are M36 × 380mm bolts, and the length × width × thickness of the reinforcing plate 50 is 150mm × 150mm × 10 mm.

It should be understood that, in the present embodiment, two flat washers, one elastic washer, and one nut are provided for each fastening bolt 40, but the present invention is not limited thereto; in other embodiments, the fastening bolt 40 may also be provided with a gasket as the case may be; even, the fastening bolt may be replaced with, for example, a cotter pin, as long as the fixing means is a detachable fixing means.

It should also be understood that the present embodiment is to detachably and fixedly connect the upper pry body 10 and the lower pry body 20 by using the positioning pin 30 and the fastening bolt 40, but this is only one embodiment of the present invention, and in other embodiments, the upper pry body 10 and the lower pry body 20 may be detachably and fixedly connected by using other manners, which is not limited by the present invention.

In the present embodiment, the upper corner fittings 15, the lower corner fittings 25, the positioning pins 30 and the reinforcing plates 50 are made of Q345 steel, and are made of the same material as the upper vertical beams 11, the lower vertical beams 21, the upper cross beams 12 and the lower cross beams 22.

Please refer to fig. 14, which is a schematic perspective view of a skid-mounted frame for an injection combustion apparatus according to another preferred embodiment of the present invention, wherein the upper cross beam 12 and the lower cross beam 22 are three layers, and the distances between two adjacent layers of the upper cross beam 12 and two adjacent layers of the lower cross beam 22 in the axial direction of the injection combustion apparatus are equal. On one side of the skid-mounted outer frame, two ends of the upper cross beam 12 are obliquely connected through the upper diagonal brace 13, two ends of the lower cross beam 22 are obliquely connected through the lower diagonal brace, the adjacent upper diagonal brace 13 and lower diagonal brace 23 and the upper vertical beam 11 and the lower vertical beam 21 which are aligned up and down on one side form a triangle, the adjacent two upper diagonal braces 13 and the upper vertical beam 11 on one side form a triangle, and the adjacent two lower diagonal braces 23 and the lower vertical beam 21 form a triangle. So, provide more stable structure for sled dress frame.

To sum up, the utility model provides an injection type is sled dress frame for burner, it designs into the sled dress frame and can dismantle the last sled body of connection, sled body two parts down, the components of a whole that can function independently transportation of being convenient for. The upper prying body and the lower prying body are provided with corner pieces on the end faces of the vertical beams, so that the upper corner pieces are in full contact connection with the lower corner pieces and the upper cross beams and the lower cross beams on the butt joint faces of the upper prying body and the lower prying body. The upper prying body and the lower prying body are positioned by positioning pins, and the two diagonal positioning pins assist in positioning and mounting. And fastening bolts are respectively arranged on the two sides of the upper vertical beam and the lower vertical beam for connection, so that eight-point locking is realized. The upper cross beam and the lower cross beam are provided with reinforcing plates at the positions where the fastening bolts are installed, so that structural reinforcement is carried out at the bolt installation holes. The utility model discloses an injection type burner adopts detachable components of a whole that can function independently structure with sled dress frame, has the location accuracy, fixed firm, dismantle convenient characteristics.

Claims (10)

1. The utility model provides an injection type burner is with sled dress frame for fixed injection type burner, its characterized in that: the prying outer frame comprises an upper prying body and a lower prying body which are detachably connected, the upper prying body and the lower prying body are positioned through at least two positioning pins, and the upper prying body and the lower prying body are fixedly connected through a fastening bolt.

2. A skid-mounted outer frame for an injection type combustion apparatus according to claim 1, wherein: the upper prying body comprises a plurality of upper vertical beams arranged in parallel and an upper cross beam for connecting two adjacent upper vertical beams, the upper cross beam is provided with a plurality of layers at intervals in the length direction of the upper vertical beams, and the upper cross beams in each layer surround a closed polygon; the lower prying body comprises a plurality of lower vertical beams arranged in parallel and a lower cross beam for connecting two adjacent lower vertical beams, the lower cross beam is arranged in multiple layers at intervals in the length direction of the lower vertical beams, and the lower cross beam in each layer encloses a closed polygon; the positioning pin is vertically arranged between the lower end of the upper vertical beam and the upper end of the lower vertical beam.

3. A skid-mounted outer frame for an injection type combustion apparatus according to claim 2, wherein: each the lower extreme of erecting the roof beam on is equipped with the corner fitting, each the upper end of erecting the roof beam down is equipped with down the corner fitting, the lower terminal surface and the lower floor of corner fitting the lower terminal surface parallel and level of entablature, the up end and the superiors of lower corner fitting the upper end parallel and level of lower beam, the locating pin sets up the corner fitting with correspond between the lower corner fitting, fastening bolt assembles at lower floor entablature and the superiors on the lower beam.

4. A skid-mounted outer frame for an injection type combustion apparatus according to claim 3, wherein: the locating pin comprises an upper locating pin part, a lower locating pin part and a middle limiting support flange, the upper locating pin part is matched with a corresponding hole in the upper corner piece, the lower locating pin part and the limiting support flange are matched with a corresponding stepped hole in the lower corner piece, and the diameter of the limiting support flange is larger than the upper locating pin part and the lower locating pin part.

5. A skid-mounted outer frame for an injection type combustion apparatus according to claim 3, wherein: and reinforcing plates with holes are respectively arranged at the mounting positions of the fastening bolts above the upper cross beam and below the corresponding lower cross beam, and the fastening bolts penetrate through the reinforcing plates to lock the corresponding upper cross beam and the corresponding lower cross beam.

6. A skid-mounted outer frame for an injection type combustion device according to claim 5, wherein: the fastening bolt is arranged on the upper cross beam and the corresponding lower cross beam and is close to the position of the positioning pin, the fastening bolt comprises a screw rod with a cap, a nut, a flat gasket and a spring gasket, the screw rod with the cap penetrates through the flat gasket and the reinforcing plate, then sequentially penetrates through the corresponding bolt mounting holes in the upper cross beam and the lower cross beam, and then penetrates through the reinforcing plate, the flat gasket and the spring gasket and is locked by the nut.

7. The skid-mounted outer frame for the injection type combustion device according to any one of claims 3 to 6, characterized in that: the upper prying body comprises four upper vertical beams which are arranged in a square array, the lower prying body comprises four lower vertical beams which are arranged in a square array, the positioning pin is arranged between the upper corner piece and the lower corner piece at the opposite angle, and the fastening bolt is arranged on two sides of the upper vertical beams and two sides of the lower vertical beams.

8. A skid-mounted outer frame for an injection type combustion apparatus according to claim 7, wherein: two ends of the upper cross beam are connected in an inclined mode through upper inclined stay bars between two upper cross beams which are adjacent up and down, and two ends of the lower cross beam are connected in an inclined mode through lower inclined stay bars between two lower cross beams which are adjacent up and down; on one side face of the skid-mounted outer frame, the upper diagonal brace and the lower diagonal brace which are close to each other form a triangle with the upper vertical beam and the lower vertical beam which are aligned up and down, the two close upper diagonal braces and the upper vertical beam form a triangle, and the two close lower diagonal braces and the lower vertical beam form a triangle.

9. A skid-mounted outer frame for an injection type combustion apparatus according to claim 7, wherein: an included angle formed between every two adjacent upper cross beams in the upper cross beam at the lowest layer is formed by obliquely connecting an upper corner brace rod to form a triangle; an included angle formed between every two adjacent lower cross beams in the lower cross beam on the uppermost layer is formed by obliquely connecting a lower angle brace rod to form a triangle; the fastening bolt is connected with the upper cross beam at the lowest layer and the lower cross beam at the corresponding uppermost layer in the up-down direction, and the mounting position of the fastening bolt is positioned on the edges of the triangle formed by the upper corner supporting rods and the lower corner supporting rods.

10. A skid-mounted outer frame for an injection type combustion apparatus according to claim 7, wherein: the lower prying body is arranged below the lower cross beam on the uppermost layer, and a layer of lower transverse supporting rods is arranged below the lower cross beam on the uppermost layer and encloses a closed polygon.

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